CN212216868U - Multi-station automatic stamping line - Google Patents

Abstract

The utility model discloses a multi-station automatic stamping line, which comprises a support frame, wherein a cross beam is arranged at the top of the support frame, a unstacking mechanical arm is arranged on the cross beam, and a feeding belt machine is arranged below the cross beam; the left side and the right side of the feeding belt conveyor are respectively provided with an unstacking trolley, the front end of the feeding belt conveyor is provided with a waste bin, and the rear end of the feeding belt conveyor is connected with a centering device; the tail end of the centering device is provided with a multi-station manipulator; the multi-station manipulator is connected with the press machine, the multi-station manipulator is of a rectangular structure, four top ends of the multi-station manipulator are connected to an arm column of the press machine, and a discharge belt conveyor is arranged at the tail end of the multi-station manipulator; the destacking trolley is located directly below the destacking end-effector at the destacking position. The multi-station stamping line realizes the automatic operation of the whole processes of part separation, unstacking, double-material detection, centering, carrying and blanking, can adapt to the automatic production of different work positions, greatly reduces manpower and material resources and improves the working efficiency.

Description

Multi-station automatic stamping line

Technical Field

The utility model relates to an automatic field of sheet metal component punching press specifically is an automatic punching press line of multistation.

Background

The multi-station stamping refers to that a plurality of working procedures required by the flat plate stamping are put on the same press to be stamped. At present, a plurality of multi-station stamping lines exist, but the automation degree is still to be improved, and a plurality of operations needing manual assistance exist, for example, the sheet splitting, the double-material processing and the like need to consume a lot of manpower and material resources. Present multistation punching press automation line generally only is applicable to fixed station, and when the part that produces the station difference, this automation equipment just can not be used, needs manual production, perhaps purchases the part that many automation lines adapt to different stations.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned problem, provide an automatic punching press line of multistation, realized the part branch, the full automatization operation that stacks up, extra quality detected, centering, transport, unloading overall process, and can adapt to the automated production of different station numbers, the manpower and materials that have significantly reduced have improved work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-station automatic stamping line comprises a support frame, wherein a cross beam is arranged at the top of the support frame, an unstacking mechanical arm is arranged on the cross beam, and a feeding belt conveyor is arranged below the cross beam; the left side and the right side of the feeding belt conveyor are respectively provided with an unstacking trolley, the front end of the feeding belt conveyor is provided with a waste bin, and the rear end of the feeding belt conveyor is connected with a multi-station manipulator through a centering device; the multi-station manipulator is of a rectangular structure, four press machines are connected to the four top ends of the multi-station manipulator, and the tail end of the multi-station manipulator is connected with the discharging belt conveyor; the lower end of the unstacking mechanical arm is connected with the unstacking end-picking device, and the unstacking trolley is located under the unstacking end-picking device.

Furthermore, automatic sheet distributors are arranged on two sides of the unstacking trolley, sheet distributor supports are arranged at the bottom ends of the automatic sheet distributors, air cylinders with guide rods are arranged at the upper ends of the sheet distributor supports, and magnetic sheet distributing heads are fixed at the end parts of the air cylinders with the guide rods; the cylinder with the guide rod can push the magnetic separation head so as to adjust the distance between the magnetic separation head and the stacking material, and the magnetic separation head enables the stacking material on the unstacking trolley to be separated from each layer by a gap under the action of a magnetic field.

Furthermore, the front end and the tail end of the centering device are respectively provided with a servo motor, the upper end of the centering device is provided with two beating blocks, the bottom of the centering device is provided with two jacking cylinders, and the positions of the beating blocks are adjustable; the front end servo motor drives the flapping blocks at the front end to move, the servo motor at the tail end drives the flapping blocks at the tail end to move, and the distance between the two flapping blocks is adjusted according to the length of a plate.

Further, a motor, a synchronous belt, a screw rod, a slide rail and a base are arranged inside the feeding belt machine, the slide rail is positioned above the base, and the motor is connected with the screw rod through the synchronous belt; the feeding belt machine is driven by a motor, the upper half part of the feeding belt machine moves along the sliding rail through a synchronous belt and a lead screw, and therefore the distance between the centering device and the first station in the multi-station manipulator is adjusted.

Furthermore, a screw rod lifter and a lifting motor are arranged at one end of the discharge belt conveyor close to the press machine, a walking motor is arranged at the other end of the discharge belt conveyor, and pulleys are arranged at the bottom of the discharge belt conveyor; the height of the discharging belt conveyor is adjusted through the lifting motor by the screw rod lifter, and the walking motor drives the pulley to enable the discharging belt conveyor to move on the discharging belt conveyor guide rail.

Furthermore, a double-material detection device is arranged on the unstacking end-picking device; the unstacking end-effector can move in the horizontal direction and the vertical direction, the unstacking end-effector grabs a sheet from a stack material and carries the sheet to the feeding belt conveyor, the double-material detection device arranged at the upper end of the unstacking end-effector can detect whether the grabbed sheet is a single-layer sheet, if the sheet is the single-layer sheet, the feeding belt conveyor conveys the sheet to the centering position, and if the sheet is a multi-layer sheet, the feeding belt conveyor reverses and conveys the sheet to the waste box.

Furthermore, the unstacking mechanical hand can move on the cross beam, and when the unstacking of the stack materials on the unstacking trolley on one side is completed, the unstacking mechanical hand moves to the other end along the cross beam to unstack the stack materials on the other unstacking trolley.

Furthermore, the bottom of the unstacking trolley is provided with an unstacking trolley guide rail, and the bottom of the discharge belt conveyor is provided with a discharge belt conveyor guide rail.

Furthermore, a plurality of pairs of clamping jaws are arranged on two main rods of the multi-station manipulator; because the change of station number can cause the change of station step, select the requirement that proper position installation clamping jaw can adapt to different station numbers.

Furthermore, the press machine consists of an arm column, a sliding block, a workbench, an upper die and a lower die, wherein the upper die is arranged on the sliding block, and the lower die is arranged on the workbench; the arm posts are four and support the press machine.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the unstacking end-picking device is provided with the double-material detection device which can detect whether the picked plate materials are single-layer plate materials or not, meanwhile, the feeding belt conveyor can convey the plate materials which are not the single-layer plate materials into the waste material box, automatic detection can be realized through the structure, and the conveyed plate materials are guaranteed to be the single-layer plate materials.

2. The device can adjust the number of the clamping jaws in the multi-station manipulator according to the requirements of different station numbers, thereby being suitable for the automatic production of plates with different station numbers.

3. The device is simple in operation, has realized the full automatization operation of part branch piece, the destacking, extra quality detection, centering, transport, unloading overall process simultaneously, has reduced manpower and materials, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of a multi-station stamping line according to the present invention;

FIG. 2 is a schematic structural view of a unstacking position of a multi-station press line of the present invention;

fig. 3 is a schematic structural view of a stacking and separating position of the multi-station punching line of the present invention;

fig. 4 is a schematic structural view of a multi-station manipulator of a multi-station press line of the present invention;

fig. 5 is a schematic structural view of the multi-station press line centering device of the present invention;

fig. 6 is a schematic structural view of the multi-station stamping line feeding belt conveyor of the present invention;

fig. 7 is a schematic structural view of the blanking belt conveyor of the multi-station punching line of the present invention;

fig. 8 is the utility model discloses a multistation punching press line material loading belt feeder, centering device, ejection of compact belt feeder, multistation manipulator and press hookup location's schematic structure.

In the figure: 1-support frame, 2-automatic separator, 3-unstacking trolley, 4-unstacking end pickup device, 5-unstacking mechanical arm, 6-beam, 7-press machine, 8-discharging belt conveyor, 9-multi-station mechanical arm, 10-centering device, 11-feeding belt conveyor, 12-waste bin, 13-double-material detection device, 14-unstacking trolley guide rail, 15-guide-bar cylinder, 16-separator support, 17-magnetic separator, 18-servo motor, 19-beating block, 20-jacking cylinder, 21-motor, 22-synchronous belt, 23-lead screw, 24-slide rail, 25-base, 26-main rod, 27-lead screw lifter, 28-lifting motor, 29-walking motor, 30-pulley, 31-clamping jaw, 32-upper die, 33-sliding block, 34-workbench, 35-lower die, 36-arm column and 37-discharge belt conveyor guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the multi-station automatic stamping line comprises asupport frame 1, wherein across beam 6 is arranged at the top of thesupport frame 1, an unstackingmechanical arm 5 is arranged on thecross beam 6, and afeeding belt conveyor 11 is arranged below thecross beam 6; the left side and the right side of thefeeding belt conveyor 11 are respectively provided with anunstacking trolley 3, the front end of thefeeding belt conveyor 11 is provided with awaste bin 12, and the rear end of the feeding belt conveyor is connected with acentering device 10; the tail end of thecentering device 10 is provided with a multi-station manipulator 9; the multi-station manipulator 9 is connected with thepress machine 7, the multi-station manipulator 9 is rectangular, four top ends of the multi-station manipulator are connected toarm columns 36 of thepress machine 7, and adischarge belt conveyor 8 is arranged at the tail end of the multi-station manipulator 9; the lower end of the unstackingmechanical hand 5 is connected with an unstacking end-effector 4; the destackingtrolley 3 is located directly below the destacking end-effector 4 when in the destacking position.

Referring to fig. 2-5,automatic sheet separators 2 are arranged on two sides of theunstacking trolley 3, sheet separator supports 16 are arranged at the bottom ends of theautomatic sheet separators 2,air cylinders 15 with guide rods are arranged at the upper ends of the sheet separator supports 16, and magneticsheet separating heads 17 are fixed at the end parts of theair cylinders 15 with guide rods; the front end and the tail end of thecentering device 10 are respectively provided with aservo motor 18, the upper end of the centering device is provided with two beatingblocks 19, the bottom of the centering device is provided with twojacking cylinders 20, and the positions of thebeating blocks 19 are adjustable; thefeeding belt conveyor 11 is internally provided with amotor 21, asynchronous belt 22, ascrew rod 23, aslide rail 24 and abase 25, theslide rail 24 is positioned above thebase 25, and themotor 21 is connected with thescrew rod 23 through thesynchronous belt 22; a screw rod lifter 27 and alifting motor 28 are arranged at one end of thedischarge belt conveyor 8 close to thepress machine 7, awalking motor 29 is arranged at the other end of thedischarge belt conveyor 8, and apulley 30 is arranged at the bottom of thedischarge belt conveyor 8; the unstacking end-effector 4 is provided with a double-material detection device 13; the bottom end of theunstacking trolley 3 is provided with an unstackingtrolley guide rail 14, and the bottom end of thedischarge belt conveyor 8 is provided with a discharge beltconveyor guide rail 37; the unstackingmechanical hand 5 can move on thecross beam 6; a plurality of pairs ofclamping jaws 31 are arranged on the twomain rods 26 of the multi-station manipulator 9; thepress 7 consists of anarm column 36, asliding block 33, aworkbench 34, anupper die 32 and alower die 35, wherein theupper die 32 is arranged on thesliding block 33, and thelower die 35 is arranged on theworkbench 34; thearm posts 36 are four in number and support thepress 7.

The working principle is as follows: firstly, selecting a proper position according to the requirement of the number of stations to install aclamping jaw 31 on amain rod 26 of the multi-station manipulator 9, starting thefeeding belt machine 11, and driving thefeeding belt machine 11 to drive thecentering device 10 to move along aslide rail 24 on abase 25 through asynchronous belt 22 and alead screw 23 under the driving of amotor 21, so as to adjust the distance between thecentering device 10 and a first station in the multi-station manipulator 9; meanwhile, thedischarge belt conveyor 8 moves along the discharge beltconveyor guide rails 37 under the driving of thetraveling motor 29, so that the distance between the last station in the multi-station manipulator 9 and thedischarge belt conveyor 8 is adjusted, thelifting motor 28 in thedischarge belt conveyor 8 drives the screw rod lifter 27 to rotate, the height of thedischarge belt conveyor 8 is adjusted, and workpieces can be smoothly conveyed to thedischarge belt conveyor 8; after the stacking materials are placed on theunstacking trolley 3, theunstacking trolley 3 moves to an unstacking position along aguide rail 14 of the unstacking trolley, amagnetic branch head 17 at the upper end of theautomatic branching device 2 is pushed by a guide rod-carryingcylinder 15 to be close to the stacking materials, the sheets on the stacking materials are separated from each other by a gap under the action of a magnetic field, at the moment, the unstacking end-effector 4 moves vertically downwards to contact the uppermost layer of the stacking materials, the sheets are grabbed from the stacking materials and are sent to thefeeding belt conveyor 11, the double-material detection device 13 arranged at the upper end of the unstacking end-effector 4 detects whether the grabbed sheets are single-layer sheets, if the sheets are single-layer sheets, thefeeding belt conveyor 11 conveys the sheets to thecentering device 10, and if the sheets are multi-layer sheets, thefeeding belt conveyor 11 rotates reversely, and the sheets are conveyed to thewaste material box 12. When the single-layer plate reaches themiddle alignment device 10, the beatingblock 19 rises under the action of the jackingcylinder 20 and moves horizontally under the driving of theservo motor 18 to beat the plate to a correct position; then the first pair ofclamping jaws 31 on the twomain rods 26 of the multi-station manipulator 9 grab the plate from thecentering device 10, at the same time, theother clamping jaws 31 and the first pair ofclamping jaws 31 move synchronously, after the first pair ofclamping jaws 31 grab the plate, the plate is lifted to a certain height and then is sent to the first station, meanwhile, the plate in the original first station is sent to the second station by the second pair ofclamping jaws 31, namely, the plates on all stations are sent to the next station simultaneously, after the plate enters the next station, theslide block 33 in thepress machine 7 drives theupper die 32 to move downwards, theupper die 32 and thelower die 35 are closed to complete the stamping of the plate, then theslide block 33 in thepress machine 7 drives theupper die 32 to move upwards, theupper die 32 and thelower die 35 are separated, after theupper die 32 and thelower die 35 are separated by a certain distance, the twomain rods 26 of the multi-station manipulator 9 drive theclamping jaws 31 to grab the plate according, transferring the plate materials to the subsequent stations, and conveying the plate materials in the last station of the multi-station manipulator 9 to thedischarging belt conveyor 8, and repeating the steps; and finally, conveying the punch-formed workpiece out of the production line by adischarge belt conveyor 8. The production line is provided with twounstacking trolleys 3, when the production of the stack material on oneunstacking trolley 3 is finished, the unstackingmechanical hand 5 moves to the other end along thecross beam 6 to unstack theother unstacking trolley 3, theempty unstacking trolley 3 is driven out, and after the stack material is placed, theempty unstacking trolley 3 travels to the unstacking position along theguide rail 14 of the unstacking trolley so as to be switched and realize uninterrupted production.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A multi-station automatic stamping line comprises a support frame (1), and is characterized in that a cross beam (6) is arranged at the top of the support frame (1), an unstacking mechanical arm (5) is arranged on the cross beam (6), and a feeding belt conveyor (11) is arranged below the cross beam (6); the left side and the right side of the feeding belt conveyor (11) are respectively provided with an unstacking trolley (3), the front end of the feeding belt conveyor (11) is provided with a waste box (12), and the rear end of the feeding belt conveyor is connected with a centering device (10); the tail end of the centering device (10) is provided with a multi-station manipulator (9); the multi-station manipulator (9) is connected with the press machine (7), the multi-station manipulator (9) is of a rectangular structure, the four top ends of the multi-station manipulator are connected to arm columns (36) of the press machine (7), and a discharging belt conveyor (8) is arranged at the tail end of the multi-station manipulator (9); the lower end of the unstacking mechanical hand (5) is connected with the unstacking end pickup (4); the unstacking trolley (3) is positioned right below the unstacking end-effector (4) when in the unstacking position.

2. The multi-station automated stamping line of claim 1, wherein: the automatic opening device is characterized in that automatic opening devices (2) are arranged on two sides of the unstacking trolley (3), an opening device support (16) is arranged at the bottom end of each automatic opening device (2), a cylinder (15) with a guide rod is arranged at the upper end of each opening device support (16), and a magnetic opening head (17) is fixed at the end of each cylinder (15) with the guide rod.

3. The multi-station automated stamping line of claim 1, wherein: the front end and the tail end of the centering device (10) are respectively provided with a servo motor (18), the upper end of the centering device is provided with two beating blocks (19), the bottom of the centering device is provided with two jacking cylinders (20), and the positions of the beating blocks (19) can be adjusted.

4. The multi-station automated stamping line of claim 1, wherein: the feeding belt conveyor is characterized in that a motor (21), a synchronous belt (22), a lead screw (23), a sliding rail (24) and a base (25) are arranged inside the feeding belt conveyor (11), the sliding rail (24) is located above the base (25), and the motor (21) is connected with the lead screw (23) through the synchronous belt (22).

5. The multi-station automated stamping line of claim 1, wherein: the one end that ejection of compact belt feeder (8) are close to press (7) is equipped with lead screw lift (27) and elevator motor (28), and the other end is equipped with walking motor (29), the bottom of ejection of compact belt feeder (8) is equipped with pulley (30).

6. The multi-station automated stamping line of claim 1, wherein: and the unstacking end-picking device (4) is provided with a double-material detection device (13).

7. The multi-station automated stamping line of claim 1, wherein: the bottom of the unstacking trolley (3) is provided with an unstacking trolley guide rail (14), and the bottom of the discharging belt conveyor (8) is provided with a discharging belt conveyor guide rail (37).

8. The multi-station automated stamping line of claim 1, wherein: the unstacking mechanical hand (5) can move on the cross beam (6).

9. The multi-station automated stamping line of claim 1, wherein: and a plurality of pairs of clamping jaws (31) are arranged on two main rods (26) of the multi-station manipulator (9).

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