CN111438376B - Unloader for numerical control lathe - Google Patents

Abstract

The invention belongs to the technical field of feeding and discharging, and particularly relates to a feeding and discharging device for a numerical control lathe. The invention avoids the mutual interference and collision of the clamping part and the workpiece, protects the equipment and the workpiece, simplifies the control difficulty of the equipment, reduces the cable laying difficulty, facilitates the feeding and discharging operation of the workpiece, improves the processing efficiency of the numerical control lathe and reduces the labor intensity of operators.

Description

Unloader for numerical control lathe

Technical Field

The invention relates to the technical field of feeding and discharging, in particular to a feeding and discharging device for a numerical control lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.

The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance. The machining process route, the process parameters, the movement track, the displacement, the cutting parameters and the auxiliary functions of the part are compiled into a machining program list according to instruction codes and program formats specified by a numerical control machine, the content in the program list is recorded on a control medium and then is input into a numerical control device of the numerical control machine, so that the machine tool is instructed to machine the part;

the numerical control lathe generally processes cylindrical workpieces, the workpiece is troublesome to feed and discharge when the workpieces are processed, manual feeding and discharging are unsafe and low in efficiency, mechanical feeding and discharging need to utilize a plurality of groups of driving mechanisms to drive clamping parts to clamp and open the workpieces when the workpieces are clamped, so that driving devices are increased, cables are increased, control flow is increased, and the feeding and discharging device for the numerical control lathe is needed.

Disclosure of Invention

The invention provides a feeding and discharging device for a numerical control lathe, which solves the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a feeding and discharging device for a numerical control lathe comprises the numerical control lathe and a swinging mechanism arranged at an opening of the numerical control lathe, wherein the swinging mechanism is provided with a clamping component for clamping a workpiece, one side of the swinging mechanism, which is far away from the numerical control lathe, is provided with a conveying mechanism, the clamping component comprises a base plate connected with the output end of the swinging mechanism, two ends of the base plate are respectively provided with a housing symmetrically arranged along the base plate, the middle position inside the housing is provided with a pushing mechanism fixedly connected with the base plate, two sides of one end, which is far away from the base plate, of the pushing mechanism are provided with abutting mechanisms, the opening of the housing is provided with a cover plate;

fixture includes two sets of parallel arrangement's horizontal pole, and horizontal pole and apron parallel arrangement, one side that two sets of horizontal poles are close to each other articulates there is the connecting rod that sets up along its length direction equidistance, the one end that two sets of connecting rods are close to each other installs the changeover mechanism with the apron, the one end rigid coupling that changeover mechanism kept away from the apron has the solid fixed splint of convex structure, solid fixed splint keeps away from the one end of changeover mechanism and has seted up the mounting groove, the inside rotation in mounting groove is connected with movable splint, and movable splint keeps away from the one end of solid fixed splint and is articulated with adjacent connecting rod, the equal rigid coupling in both ends of two sets of horizontal poles has the pull rod.

Preferably, changeover mechanism include with the support of solid fixed splint sliding connection U type structure, and the support opening is towards the apron, support and apron top rigid coupling, the width direction setting of apron is followed to the support, the bottom of support is contradicted and is had the gyro wheel, the both ends activity of gyro wheel cup jointed the connecting plate with solid fixed splint bottom rigid coupling, the support runs through the regulation passageway that has set up along its length direction, the top inside wall of regulation passageway articulates has the latch that sets up along its length direction equidistance, the connecting plate runs through and stretches into the hole, the inside slip that stretches into the hole has cup jointed the plugboard, the one end that the plugboard stretched into regulation passageway offers the draw-in groove with the latch butt joint.

Preferably, pushing mechanism includes the promotion unit with the base plate rigid coupling, and the output rigid coupling that the base plate one end was kept away from to the promotion unit has the ejector pin, and the fixed cover in outer lane of ejector pin has connect the deflector, and the one end both sides that the base plate was kept away from to the deflector offer the domatic of slope setting, and domatic first conflict groove of offering along its incline direction setting is seted up, and the second conflict groove that is located the deflector side is seted up to the bottom in first conflict groove.

Preferably, conflict mechanism includes the push rod of contradicting with first conflict groove, and the one end that pushing mechanism was kept away from to the push rod articulates there are first pull rod and second pull rod, and the one end that the push rod was kept away from to first pull rod articulates has the fly leaf with apron bottom rigid coupling, and the one end that the push rod was kept away from to the second pull rod is articulated with the housing inside wall.

Preferably, the both sides of the top opening part of housing are seted up with fly leaf sliding connection's spout, the one end that the fly leaf stretched into the spout is installed with the first spring of spout bottom inside wall articulated.

Preferably, swing mechanism is including setting up the base in numerical control lathe opening part below, and the dwang that sets up along numerical control lathe length direction is installed through the bearing frame in the top of base, and the one end of dwang is installed the first motor with base top rigid coupling, and the outer lane of dwang is fixed to be cup jointed the wobble plate, and the inner groovy that sets up along its length direction is seted up to the one end that the dwang was kept away from to the wobble plate, and the opening part activity of inner groovy is cup jointed the pivot that cup joints with the base plate is fixed, and the second motor is installed to.

Preferably, conveying mechanism is including setting up the support frame of keeping away from numerical control lathe one side at swing mechanism, two sets of parallel arrangement's side shield is installed at the top of support frame, and the side shield slope sets up, the cylinder that sets up along its length direction equidistance is cup jointed in the activity between two sets of side shields, the fixed cover of outer lane of cylinder has connect the sprocket that sets up along its length direction, the sprocket is connected with the chain of loop configuration, install three at least group parallel arrangement's chain between two sets of side shields, the outer lane rigid coupling of chain has the layer board of the Y type structure that sets up along its length direction equidistance, the third motor is installed to the one end that the cylinder.

Preferably, the pull rod comprises a sleeve fixedly connected with the bottom of the cross rod, a telescopic rod fixedly connected with the top of the push plate is movably sleeved at one end, away from the cross rod, of the sleeve, a rotating lantern ring in threaded connection with the outer ring of the telescopic rod is movably sleeved at the outer ring of one end, close to the telescopic rod, of the sleeve, and a second spring fixedly connected with the bottom of the cover plate is installed at the top of the push plate.

Preferably, a material receiving plate is installed below one side, close to the numerically controlled lathe, of the support frame, and two ends of the top of the material receiving plate are fixedly connected with baffle plates.

In the present invention,

through the arranged numerical control lathe, the swinging mechanism, the clamping assembly, the conveying mechanism, the base plate, the housing, the pushing mechanism, the abutting mechanism, the cover plate, the clamping mechanism, the push plate, the pull rod, the cross rod, the connecting rod, the fixed clamping plate, the mounting groove, the movable clamping plate, the switching mechanism, the support, the idler wheel, the connecting plate, the adjusting channel, the latch, the sliding groove, the ejector rod, the guide plate, the first abutting groove, the second abutting groove, the push rod, the first pull rod, the second pull rod and the movable plate, when the design clamps the workpiece, the clamping part is firstly opened, then the workpiece is abutted and extended in, and finally the workpiece is clamped, when the workpiece is loaded, the clamping part is opened in advance, then the workpiece is abutted and extended out, so that the mutual interference and collision between the clamping part and the workpiece are avoided, the equipment and the workpiece are protected, and the workpiece are safe, and meanwhile, the equipment control degree of difficulty is simplified, the cable laying degree of difficulty is reduced, the unloading operation in going up is conveniently carried out to the work piece, improves numerical control lathe machining efficiency, reduces operating personnel intensity of labour.

Drawings

Fig. 1 is a schematic structural view of a feeding and discharging device for a numerically controlled lathe according to the present invention;

fig. 2 is a schematic structural diagram of a clamping assembly of a feeding and discharging device for a numerically controlled lathe according to the present invention;

FIG. 3 is a partially enlarged schematic structural view of a feeding and discharging device for a numerically controlled lathe according to the present invention;

FIG. 4 is a schematic structural view of a clamping mechanism of a feeding and discharging device for a numerically controlled lathe according to the present invention;

fig. 5 is a schematic structural diagram of a switching mechanism of a feeding and discharging device for a numerically controlled lathe according to the present invention;

fig. 6 is a side view of the adapting mechanism of the feeding and discharging device for the numerically controlled lathe according to the present invention.

In the figure: the automatic clamping device comprises a numerical control lathe 1, a swinging mechanism 2, a clamping assembly 3, a conveying mechanism 4, a base plate 5, a cover 6, apushing mechanism 7, an abutting mechanism 8, a cover plate 9, aclamping mechanism 10, apushing plate 401, apull rod 402, across rod 403, aconnecting rod 404, afixed clamping plate 405, amounting groove 406, amovable clamping plate 407, aswitching mechanism 408, asupport 501, aroller 502, a connectingplate 503, an adjustingchannel 504, alatch 505, asliding groove 601, apush rod 701, aguide plate 702, a firstabutting groove 703, a secondabutting groove 704, apush rod 801, afirst pull rod 802, asecond pull rod 803 and amovable plate 901.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a feeding and discharging device for a numerically controlled lathe comprises a numerically controlled lathe 1 and a swing mechanism 2 arranged at an opening of the numerically controlled lathe 1, wherein the swing mechanism 2 is provided with a clamping component 3 for clamping a workpiece, one side of the swing mechanism 2, which is far away from the numerically controlled lathe 1, is provided with a conveying mechanism 4, the clamping component 3 comprises a base plate 5 connected with an output end of the swing mechanism 2, two ends of the base plate 5 are both provided with a housing 6 symmetrically arranged along the base plate 5, apushing mechanism 7 fixedly connected with the base plate 5 is arranged at the middle position in the housing 6, two sides of one end, which is far away from the base plate 5, of thepushing mechanism 7 are provided with abutting mechanisms 8, a cover plate 9 is arranged at the opening;

further,fixture 10 includes two sets of parallel arrangement'shorizontal pole 403, andhorizontal pole 403 and apron 9 parallel arrangement, one side that two sets ofhorizontal poles 403 are close to each other articulates there is the connectingrod 404 that sets up along its length direction equidistance, the one end that two sets of connectingrods 404 are close to each other is installed thechangeover mechanism 408 of being connected with apron 9, the one end rigid coupling thatchangeover mechanism 408 kept away from apron 9 has the solid fixedsplint 405 of convex structure, solid fixedsplint 405 keeps away from the one end ofchangeover mechanism 408 and has seted up mountinggroove 406,mounting groove 406 internal rotation is connected withmovable splint 407, andmovable splint 407 keeps away from the one end of solid fixedsplint 405 and is articulated with adjacent connectingrod 404, the equal rigid coupling in both ends of two sets ofhorizontal poles 403 haspull rod 402, the one end thatpull rod 402 stretched.

Particularly, theadapting mechanism 408 comprises abracket 501 which is in a U-shaped structure and is slidably connected with the fixedclamping plate 405, an opening of thebracket 501 faces the cover plate 9, thebracket 501 is fixedly connected with the top of the cover plate 9, thebracket 501 is arranged along the width direction of the cover plate 9, aroller 502 is abutted to the bottom of thebracket 501, connectingplates 503 fixedly connected with the bottom of the fixedclamping plate 405 are movably sleeved at two ends of theroller 502, an adjustingchannel 504 is arranged along the length direction of thebracket 501 in a penetrating manner, clampingteeth 505 equidistantly arranged along the length direction are hinged on the inner side wall of the top of the adjustingchannel 504, an extending hole is arranged in the connectingplates 503 in a penetrating manner, a plug board is sleeved in the extending hole in a sliding manner, and a clamping groove butted with theclamping teeth 505.

It should be noted that thepushing mechanism 7 includes a pushing unit fixedly connected to the substrate 5, an output end of the pushing unit far away from one end of the substrate 5 is fixedly connected to thetop rod 701, an outer ring of thetop rod 701 is fixedly connected to theguide plate 702, two sides of one end of theguide plate 702 far away from the substrate 5 are provided with a slope surface arranged in an inclined manner, the slope surface is provided with a first abuttinggroove 703 arranged along an inclined direction of the slope surface, and the bottom of the first abuttinggroove 703 is provided with a second abuttinggroove 704 located on a side surface of theguide plate 702.

In addition, the abutting mechanism 8 includes apush rod 801 abutting against the first abuttinggroove 703, one end of thepush rod 801 far away from thepushing mechanism 7 is hinged with afirst pull rod 802 and asecond pull rod 803, one end of thefirst pull rod 802 far away from thepush rod 801 is hinged with amovable plate 901 fixedly connected with the bottom of the cover plate 9, and one end of thesecond pull rod 803 far away from thepush rod 801 is hinged with the inner side wall of the housing 6.

In addition, thesliding groove 601 slidably connected to themovable plate 901 is disposed on two sides of the top opening of the housing 6, and a first spring hinged to the inner sidewall of the bottom of thesliding groove 601 is mounted at one end of themovable plate 901 extending into thesliding groove 601.

The first embodiment is as follows:

swing mechanism 2 is including setting up the base in 1 opening part below of numerical control lathe, the dwang that sets up along 1 length direction of numerical control lathe is installed through the bearing frame at the top of base, the first motor with base top rigid coupling is installed to the one end of dwang, the outer lane of dwang is fixed to cup joint has the swinging plate, the inner groovy that sets up along its length direction is seted up to the one end that the dwang was kept away from to the swinging plate, the opening part activity of inner groovy has cup jointed the pivot of cup jointing with base plate 5 is fixed, the second motor is installed to the one.

Example two:

conveying mechanism 4 is including setting up the support frame of keeping away from 1 one side of numerical control lathe at swing mechanism 2, two sets of parallel arrangement's side shield is installed at the top of support frame, and the side shield slope sets up, the cylinder that sets up along its length direction equidistance is cup jointed in the activity between two sets of side shields, the fixed cover in outer lane of cylinder has connect the sprocket that sets up along its length direction, the sprocket connection has the chain of loop configuration, install three at least sets of parallel arrangement's chain between two sets of side shields, the outer lane rigid coupling of chain has the layer board of the Y type structure that sets up along its length direction equidistance, the third motor is installed to the one end.

Example three:

thepull rod 402 comprises a sleeve fixedly connected with the bottom of thecross rod 403, a telescopic rod fixedly connected with the top of thepush plate 401 is movably sleeved at one end, away from thecross rod 403, of the sleeve, a rotating lantern ring in threaded connection with the outer ring of the telescopic rod is movably sleeved at the outer ring of one end, close to the telescopic rod, of the sleeve, and a second spring fixedly connected with the bottom of the cover plate 9 is installed at the top of thepush plate 401.

Example four:

a material receiving plate is arranged below one side of the support frame close to the numerically controlled lathe 1, and two ends of the top of the material receiving plate are fixedly connected with baffle plates.

The working principle is as follows: when the device is used, a cylindrical blank to be processed is processed and placed on a supporting plate of a Y-shaped structure on a chain of a conveying mechanism 4, the blank is conveyed to the position above the top of a side baffle plate along with the rotation of a roller, then a first motor on a swinging mechanism 2 is started to swing towards the conveying mechanism 4, a second motor on a rotating shaft is started to rotate a base plate 5, aclamping mechanism 10 on the top of the base plate 5 approaches to the blank position on the conveying mechanism 4, when clamping is carried out, a pushing unit in apushing mechanism 7 in a housing 6 is started, the pushing unit can be driven by any one of an air cylinder, a hydraulic cylinder and a push rod motor to push apush rod 701 towards a cover plate 9, at this time, afirst abutting groove 703 on the slope surface of aguide plate 702 on thepush rod 701 firstly abuts against apush rod 801 on an abutting mechanism 8 along with one end of theguide plate 702, the first abuttinggroove 703 pushes thepush rod 801 to the side direction of the housing 6, and thesecond pull rod 803 is hinged to the inner side wall of the housing 6, so that thefirst pull rod 802 moves towards the cover plate 9, thefirst pull rod 802 drives one end of themovable plate 901, themovable plate 901 moves the cover plate 9 towards the direction far away from the housing 6, and theclamping mechanism 10 extends into the clamping mechanism from the bottom of the blank;

when the pushing unit is not started, the second spring arranged between the cover plate 9 and the pushingplate 401 pushes the pushingplate 401 towards the housing 6, then the pushingplate 401 pulls the two groups ofpull rods 402 towards the housing 6, thepull rods 402 drive thecross rods 403 to move towards the housing 6, thecross rods 403 drive the connectingrods 404 to move, and the connectingrods 404 drive themovable clamping plates 407 to move, so that the two groups ofmovable clamping plates 407 deflect towards the direction away from each other, and the front parts of themovable clamping plates 407 are opened;

with the further movement of thetop rod 701, thepush rod 801 moves to the position of thesecond interference groove 704 along thefirst interference groove 703, because thesecond interference groove 704 is parallel to thetop rod 701, at this time, thepush rod 801 remains relatively stationary when thetop rod 701 moves, so that the cover plate 9 remains stationary, theclamping mechanism 10 finishes extending, then the top of thetop rod 701 begins to interfere with thepush plate 401, and starts to push thepush plate 401 away from the substrate 5, the above-mentioned opposite steps are installed, so that the two sets ofmovable clamping plates 407 move towards the positions close to each other, in order to ensure that the center position of the clamped blank is always kept at the same position, themovable clamping plate 407 and the fixedclamping plate 405 are both arc-shaped structures, theinstallation groove 406 is located at the side where the two sets of fixedclamping plates 405 are far away from each other, one end of themovable clamping plate 407 close to the fixed, when the contact groove of themovable clamping plate 407 is in contact with the inner side wall of themounting groove 406 of the fixedclamping plate 405, themovable clamping plate 407 and the fixedclamping plate 405 form a clamping component with a circular arc structure, so that the central position of the blank is always in the same position when the blank is clamped, and then the swinging mechanism 2 conveys the blank to the feeding position of the numerically controlled lathe 1;

during feeding, the pushing unit is started, theejector rod 701 moves towards the direction of the substrate 5, the opposite steps are carried out, themovable clamping plate 407 is firstly opened, and then thewhole clamping mechanism 10 moves towards the housing 6, so that when a department exits, theclamping mechanism 10 interferes with a blank fixed on the numerically controlled lathe 1, and feeding is facilitated;

when the workpiece processed by the numerically controlled lathe 1 is discharged, the workpiece is clamped from the conveying mechanism 4 in the same way;

meanwhile, when the clamping mechanism is used, the clamping degree of theclamping mechanism 10 is adjusted according to the diameter of the blank, the plug board connected with thepress 503 is pulled out during adjustment, then the fixedclamp plates 405 are pushed, so that the relative positions of the two groups of fixedclamp plates 405 are adjusted, then thefixed plates 405 are moved to proper positions according to the diameter of the blank, the plug board is inserted, meanwhile, the rotating lantern rings on the sleeves at the bottoms of thecross rods 403 are rotated, so that the length of the telescopic rods extending into the sleeves is adjusted, the length of thepull rods 402 is adjusted, and the blank clamping with different diameters is finally realized;

this design is when carrying out the centre gripping to the work piece, the centre gripping position opens earlier, then contradict from the work piece and stretch into, carry out the centre gripping to the work piece at last, when carrying out the material loading to the work piece, open the clamping part in advance, then contradict from the work piece and stretch out, thereby avoid clamping part and work piece mutual interference collision, protective apparatus and work piece safety, use a drive element to realize pressing from both sides the clamp of work piece simultaneously, the simplification equipment control degree of difficulty, reduce the cable laying degree of difficulty, the unloading operation is gone up to the work piece to the convenience, the efficiency of numerical control lathe processing is improved, reduce operating personnel intensity of labour.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (4)

1. A feeding and discharging device for a numerical control lathe comprises a numerical control lathe (1) and a swinging mechanism (2) arranged at an opening of the numerical control lathe (1), it is characterized in that the swing mechanism (2) is provided with a clamping component (3) for clamping a workpiece, one side of the swing mechanism (2) far away from the numerical control lathe (1) is provided with a conveying mechanism (4), the clamping assembly (3) comprises a base plate (5) connected with the output end of the swing mechanism (2), the clamping device is characterized in that two ends of the substrate (5) are respectively provided with a housing (6) symmetrically arranged along the substrate, a pushing mechanism (7) fixedly connected with the substrate (5) is arranged in the middle of the interior of the housing (6), two sides of one end, far away from the substrate (5), of the pushing mechanism (7) are provided with abutting mechanisms (8), a cover plate (9) is arranged at an opening of the housing (6), and one end, far away from the housing (6), of the cover plate (9) is provided with a clamping mechanism (10);

the clamping mechanism (10) comprises two groups of cross rods (403) which are arranged in parallel, the cross rods (403) and the cover plate (9) are arranged in parallel, connecting rods (404) which are arranged at equal intervals along the length direction of the two groups of cross rods (403) are hinged to one side, which is close to each other, of the two groups of connecting rods (404), one ends, which are close to each other, of the two groups of connecting rods (404) are provided with a switching mechanism (408) which is connected with the cover plate (9), the switching mechanism (408) comprises a connecting plate (503), one end of the connecting plate (503) is fixedly connected with a fixed clamping plate (405) which is of an arc-shaped structure, one end, which is far away from the, one end of the movable clamping plate (407) far away from the fixed clamping plate (405) is hinged with the adjacent connecting rod (404), two groups of cross rods (403) are fixedly connected with a pull rod (402), and one end of the pull rod (402) extending into the housing (6) is connected with the same push plate (401) positioned at the bottom of the cover plate (9);

the switching mechanism (408) further comprises a support (501) of a U-shaped structure in sliding connection with the fixed clamping plate (405), the opening of the support (501) faces the cover plate (9), the support (501) is fixedly connected with the top of the cover plate (9), the support (501) is arranged along the width direction of the cover plate (9), a roller (502) is abutted to the bottom of the support (501), two ends of the roller (502) are movably sleeved with a connecting plate (503), an adjusting channel (504) is arranged along the length direction of the support (501) in a penetrating manner, clamping teeth (505) are arranged at equal intervals along the length direction of the adjusting channel (504) in a penetrating manner on the inner side wall of the top of the adjusting channel (504), an extending hole is arranged in the connecting plate (503) in a penetrating manner, a splicing plate is sleeved in the extending manner in the inner part of the extending hole in a sliding manner, and one end;

the pushing mechanism (7) comprises a pushing unit fixedly connected with the substrate (5), an output end of the pushing unit, which is far away from one end of the substrate (5), is fixedly connected with a push rod (701), the outer ring of the push rod (701) is fixedly sleeved with a guide plate (702), two sides of one end, which is far away from the substrate (5), of the guide plate (702) are provided with inclined slopes, the slopes are provided with first abutting grooves (703) arranged along the inclined direction of the slopes, and the bottoms of the first abutting grooves (703) are provided with second abutting grooves (704) positioned on the side faces of the guide plate (702);

the collision mechanism (8) comprises a push rod (801) which collides with the first collision groove (703), one end, far away from the push mechanism (7), of the push rod (801) is hinged with a first pull rod (802) and a second pull rod (803), one end, far away from the push rod (801), of the first pull rod (802) is hinged with a movable plate (901) fixedly connected with the bottom of the cover plate (9), and one end, far away from the push rod (801), of the second pull rod (803) is hinged with the inner side wall of the housing (6);

the two sides of the opening at the top of the housing (6) are provided with sliding chutes (601) which are in sliding connection with the movable plate (901), and one end of the movable plate (901) extending into the sliding chutes (601) is provided with a first spring hinged with the inner side wall at the bottom of the sliding chutes (601);

pull rod (402) include with horizontal pole (403) bottom fixed connection's sleeve, the one end activity that the sleeve kept away from horizontal pole (403) has cup jointed the telescopic link with push pedal (401) top rigid coupling, the sleeve is close to the one end outer lane activity of telescopic link and has cup jointed the rotation lantern ring with telescopic link outer lane threaded connection, push pedal (401) top install with apron (9) bottom rigid coupling's second spring.

2. The feeding and discharging device for the numerical control lathe according to claim 1, wherein the swinging mechanism (2) comprises a base arranged below the opening of the numerical control lathe (1), a rotating rod arranged along the length direction of the numerical control lathe (1) is mounted at the top of the base through a bearing seat, a first motor fixedly connected with the top of the base is mounted at one end of the rotating rod, a swinging plate is fixedly sleeved on an outer ring of the rotating rod, an inner groove arranged along the length direction of the inner groove is formed in one end, away from the rotating rod, of the swinging plate, a rotating shaft fixedly sleeved with the base plate (5) is movably sleeved at the opening of the inner groove, and a second motor is mounted at one end, extending out of the swinging plate, of.

3. The feeding and discharging device for the numerical control lathe according to claim 1, wherein the conveying mechanism (4) comprises a supporting frame arranged on one side of the swinging mechanism (2) far away from the numerical control lathe (1), two sets of side baffles arranged in parallel are installed at the top of the supporting frame, the side baffles are arranged obliquely, a roller arranged at an equal distance along the length direction of the roller is movably sleeved between the two sets of side baffles, a chain wheel arranged along the length direction of the roller is fixedly sleeved on the outer ring of the roller, the chain wheel is connected with a chain in an annular structure, at least three sets of chains arranged in parallel are installed between the two sets of side baffles, a supporting plate in a Y-shaped structure arranged at an equal distance along the length direction of the supporting plate is fixedly connected on the outer ring of the chain, and a third motor.

4. The feeding and discharging device for the numerical control lathe according to claim 3, wherein a material receiving plate is arranged below one side of the supporting frame close to the numerical control lathe (1), and two ends of the top of the material receiving plate are fixedly connected with baffle plates.

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