CN113070708B - Special fixture for machining and turning aviation onboard structural part product - Google Patents

Abstract

The invention belongs to the field of clamps, and particularly relates to a special clamp for machining and turning an aviation onboard structural part product. According to the invention, through the matching of the arranged first worm and each first worm wheel, each clamping block can be quickly abutted against or away from the inner wall of the aviation onboard hydraulic valve, so that the aviation onboard hydraulic valve can be quickly stabilized or unlocked.

Description

Special fixture for machining and turning aviation onboard structural part product

Technical Field

The invention belongs to the field of clamps, and particularly relates to a special clamp for machining and turning an aviation airborne structural part product.

Background

The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig.

The aviation onboard hydraulic valve is one of aviation onboard structural members, holes on a pipe body of the aviation onboard hydraulic valve are usually required to be turned in the machining process of the aviation onboard hydraulic valve, in order to ensure the stability of the aviation onboard hydraulic valve in the machining process, the pipe body of the aviation onboard hydraulic valve is generally stabilized through the matching of a plurality of bolts and a plurality of clamps, when the aviation onboard hydraulic valve is used, the clamp is tightened by screwing each bolt to fix the pipe body of the aviation onboard hydraulic valve, however, in this way, each bolt needs to be screwed when the aviation onboard hydraulic valve is fixed or disassembled each time, manpower is consumed, meanwhile, the clamp occupies one section of outer surface of the pipe body of the aviation onboard hydraulic valve when the aviation onboard hydraulic valve is fixed, the turning of the section of aviation onboard hydraulic valve can be blocked, and after a certain distance is turned, the fixed position of the pipe body of the aviation onboard hydraulic valve needs to be adjusted so as to continue turning, this can be extremely time consuming and reduce operating efficiency.

For this reason, we propose a special fixture for machining and turning an aircraft onboard structural part product to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and provides a special clamp for machining and turning an aircraft-mounted structural part product.

In order to achieve the purpose, the invention adopts the following technical scheme: the special fixture for machining and turning the aviation onboard structural part product comprises a base, wherein a supporting shaft is rotatably connected onto the base, an L-shaped supporting seat is fixedly connected to the upper end of the supporting shaft, an inserting cylinder is rotatably connected onto the L-shaped supporting seat, a plurality of bidirectional screws are rotatably connected into the inserting cylinder, two thread blocks are in threaded connection onto the bidirectional screws, two sliding rods are fixedly connected onto the thread blocks, one ends of the sliding rods, far away from the thread blocks, penetrate through the inserting cylinder and are fixedly connected with a clamping block, a first worm is rotatably connected into the inserting cylinder, one end of the first worm penetrates through the L-shaped supporting seat and is sleeved with a rotating handle, a first worm wheel is sleeved on each bidirectional screw, each first worm wheel is meshed with the first worm, a box body is fixedly connected onto the L-shaped supporting seat, a plurality of rotating shafts are rotatably connected into the box body, and a heat dissipation fan is fixedly connected onto the rotating shafts, the box body is provided with a plurality of air ports, a filter screen is arranged on each air port, the L-shaped supporting seat is rotatably connected with a second worm, one end of the second worm is connected with a driving motor in a transmission mode, the other end of the second worm extends into the box body and is arranged, a second worm wheel is sleeved on each rotating shaft and is meshed with the second worm, and a linkage mechanism is arranged between the inserting barrel and the second worm.

In foretell aviation machine carries structure spare product processing turning special fixture, link gear includes the action wheel, follows driving wheel and hold-in range, the action wheel cup joints on the second worm, follow the driving wheel cup joint on inserting a section of thick bamboo, and pass through hold-in range transmission between action wheel and the follow driving wheel.

In foretell aviation machine carries structure spare product processing turning special fixture, a plurality of supporting slide blocks of lower extreme fixedly connected with of L shape supporting seat, set up on the base with supporting slide block matched with annular spout.

In foretell aviation machine carries structure spare product processing turning special fixture, annular spout is inlaying and is being equipped with annular electromagnetism strip, the tip of supporting slide block is inlayed and is equipped with the iron plate with annular electromagnetism strip matched with.

In foretell aviation machine carries structure spare product processing turning special fixture, fixedly connected with backup pad on the L shape supporting seat, and insert a section of thick bamboo and second worm and all be connected with the backup pad rotation.

In the special fixture for machining and turning the aviation onboard structural part product, the fixture block is designed in an arc shape, and a friction pad is bonded on the fixture block.

In foretell aviation machine carries structure spare product processing turning special fixture, a plurality of inserted blocks of fixedly connected with on the filter screen, set up on the box body with inserted block matched with slot, and inserted block and slot are the wedge design.

In the special fixture for machining and turning the aviation airborne structural part product, the lead angle of the bidirectional lead screw is smaller than the friction angle between the bidirectional lead screw and the thread block, and the size of the driven wheel is larger than that of the driving wheel.

In foretell aviation machine carries structure spare product processing turning special fixture, the base has seted up a plurality of mounting holes through a plurality of buffer spring fixedly connected with cushion blocks, a plurality of gag lever posts of fixedly connected with on the cushion block, and gag lever post and base sliding connection.

Compared with the prior art, the special fixture for machining and turning the aviation onboard structural part product has the advantages that:

1. through the cooperation of the first worm that sets up and each first worm wheel, convenient to use person controls each two-way lead screw synchronous rotation, two-way lead screw pivoted in-process can make two screw blocks be close to each other or keep away from, and then make each fixture block support fast or keep away from the inner wall that aviation machine carried hydrovalve body, realize the quick firm or unblock of aviation machine carried hydrovalve, compare in the mode that makes the firm aviation machine carried hydrovalve of clamp through twisting each bolt, this device is more convenient, and avoid consumeing of manpower, this device is when firm aviation machine carried hydrovalve simultaneously, can not occupy the surface that aviation machine carried hydrovalve body, and then can not influence the turning process that aviation machine carried the hydrovalve, and the work efficiency is greatly improved.

2. Through the cooperation of the second worm that sets up and each second worm wheel, make driving motor can regulate and control each heat dissipation fan synchronous rotation, the wind-force that the heat dissipation fan rotated the production can act on the aviation machine of turning carries the hydrovalve, accelerate the heat dissipation of aviation machine carries the hydrovalve, through the action wheel that sets up and the cooperation from the driving wheel, make and insert a section of thick bamboo and can cooperate the second worm synchronous rotation, both avoided adding the cost that drive arrangement increased in addition, and insert a section of thick bamboo and can drive aviation machine and carry the hydrovalve and rotate, make the aviation machine carry the hydrovalve and can cooperate the turning sword of transverse motion to carry out the turning operation.

3. Through the back shaft that sets up, can regulate and control L shape supporting seat and rotate, and then can regulate and control the angle of inserting a section of thick bamboo, the convenient fixed aviation machine that perhaps dismantles carries the hydrovalve, through the support sliding block that sets up and the cooperation of annular spout, both can provide stable support for L shape supporting seat, can guarantee L shape supporting seat pivoted stability again.

4. Through the annular electric magnetic stripe who sets up, can utilize annular electric magnetic stripe circular telegram to produce magnetism actuation support slider, outage demagnetization no longer actuation support slider realizes supporting slider's quick locking or unblock, and then the angle of convenient to use person's real-time locking L shape supporting seat.

5. Through the backup pad that sets up, can insert a section of thick bamboo and the stable support of second worm for, guarantee to insert a section of thick bamboo and second worm pivoted stability, the arc design of fixture block, the cambered surface that agrees with aviation machine carried hydrovalve body that can be better, the frictional force between fixture block and aviation machine carried hydrovalve can be increased to the friction pad.

6. Through the lead angle design to two-way lead screw, can realize the auto-lock between two-way lead screw and thread piece, avoid the loaded down with trivial details of artifical locking, from the dimensional design of driving wheel, can reduce the rotational speed of inserting a section of thick bamboo, and then make aviation machine carried hydrovalve can slowly rotate, cooperation turning cutter carries out the turning operation.

7. Through buffer spring and the cushion socket that sets up, can cushion the vibration that turning in-process device produced, the setting of gag lever post can be spacing to the base, avoids the base to rock, through the mounting hole that sets up, is convenient for be fixed in the lathe with the device on.

Drawings

FIG. 1 is a schematic structural view of an aircraft airborne structural member product machining and turning special fixture in a front perspective view;

FIG. 2 is a schematic structural diagram of an insert cylinder of the special fixture for machining and turning an aircraft airborne structural component product provided by the invention in a front perspective view;

FIG. 3 is a schematic structural diagram of a front perspective view of a box body of the special fixture for machining and turning an aircraft airborne structural component product provided by the invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

fig. 6 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: the device comprises abase 1, asupport shaft 2, a 3L-shaped support seat, aninsertion barrel 4, abidirectional screw rod 5, a thread block 6, asliding rod 7, aclamping block 8, a first worm 9, arotating handle 10, afirst worm wheel 11, abox body 12, a rotatingshaft 13, aheat dissipation fan 14, awind gap 15, afilter screen 16, asecond worm 17, adriving motor 18, asecond worm wheel 19, alinkage mechanism 20, adriving wheel 201, a driven wheel 202, asynchronous belt 203, asupport sliding block 21, an annularsliding groove 22, an annular electricmagnetic strip 23, aniron block 24, asupport plate 25, afriction pad 26, aninsertion block 27, aslot 28, abuffer spring 29, abuffer seat 30, amounting hole 31 and alimiting rod 32.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-6, aviation machine carries structure spare product processing turning special fixture, includingbase 1,base 1 is through a plurality ofbuffer spring 29 fixedly connected withcushion socket 30, and a plurality ofmounting holes 31 have been seted up on thecushion socket 30, a plurality ofgag lever posts 32 of fixedly connected with on thecushion socket 30, andgag lever post 32 and 1 sliding connection of base, throughbuffer spring 29 and thecushion socket 30 that set up, can cushion the vibration that the turning in-process device produced,gag lever post 32's setting, can be spacing tobase 1, avoidbase 1 to rock, through themounting hole 31 that sets up, be convenient for be fixed in the lathe with the device on.

A supportingshaft 2 is rotatably connected on thebase 1, the upper end of the supportingshaft 2 is fixedly connected with an L-shaped supporting seat 3, the lower end of the L-shaped supporting seat 3 is fixedly connected with a plurality of supportingslide blocks 21, an annularsliding groove 22 matched with the supportingslide blocks 21 is arranged on thebase 1, through the matching of the supportingslide block 21 and the annularsliding groove 22, not only can stable support be provided for the L-shaped supporting seat 3, but also the rotating stability of the L-shaped supporting seat 3 can be ensured, the annularsliding groove 22 is embedded with the annular electricmagnetic strip 23, the end part of the supportingslide block 21 is embedded with theiron block 24 matched with the annular electricmagnetic strip 23, through the arranged annular electricmagnetic strip 23, the annularelectromagnetic strip 23 can be used for energizing and generating magnetism to attract the supportingslide block 21, and the supportingslide block 21 is not attracted any more when the power is off and demagnetized, so that the supportingslide block 21 can be quickly locked or unlocked, and a user can conveniently lock the angle of the L-shaped supporting seat 3 in real time.

It is connected with a section ofthick bamboo 4 to rotate on the L shape supporting seat 3, it is connected with a plurality of two-way lead screw 5 to rotate in the section ofthick bamboo 4 to insert, and threaded connection has two screw blocks 6 on the two-way lead screw 5, twoslide bars 7 of fixedly connected with on the screw block 6, and the one end that screw block 6 was kept away from to slidebar 7 runs through and inserts a section ofthick bamboo 4 and fixedly connected withfixture block 8,fixture block 8 is the arc design, and it hasfriction pad 26 to bond on thefixture block 8, the arc design offixture block 8, the cambered surface of aircraft airborne hydrovalve body can better agree with, friction betweenfixture block 8 and aircraft airborne hydrovalve can be increased tofriction pad 26, it is connected with first worm 9 to rotate in the section ofthick bamboo 4 to insert, and the one end of first worm 9 runs through L shape supporting seat 3 and has cup jointed and has changeedhandle 10, change the setting ofhandle 10, the user of being convenient for use controls first worm 9 and rotates.

All cup jointedfirst worm wheel 11 on each two-way lead screw 5, and eachfirst worm wheel 11 all meshes with first worm 9 mutually, fixedly connected withbox body 12 on the L shape supporting seat 3, there are a plurality ofpivots 13 in thebox body 12, and fixedly connected withheat dissipation fan 14 on thepivot 13, a plurality ofwind gaps 15 have been seted up on thebox body 12, and be provided withfilter screen 16 on thewind gap 15, a plurality of insertedblocks 27 of fixedly connected with on thefilter screen 16, seted up on thebox body 12 with insertedblock 27 matched withslot 28, and insertedblock 27 andslot 28 are the wedge design, the setting of insertedblock 27 andslot 28,filter screen 16 is dismantled in the later stage of being convenient for, the wedge design of insertedblock 27 andslot 28 can improve the steadiness that insertedblock 27 andslot 28 docked.

The L-shaped supporting seat 3 is rotatably connected with asecond worm 17, the L-shaped supporting seat 3 is fixedly connected with a supportingplate 25, theinserting cylinder 4 and thesecond worm 17 are rotatably connected with the supportingplate 25, theinserting cylinder 4 and thesecond worm 17 can be stably supported through the arranged supportingplate 25, the rotating stability of theinserting cylinder 4 and thesecond worm 17 is ensured, one end of thesecond worm 17 is connected with adriving motor 18 in a transmission way, the other end of thesecond worm 17 extends into thebox body 12 and is arranged, each rotatingshaft 13 is sleeved with asecond worm wheel 19, eachsecond worm wheel 19 is meshed with thesecond worm 17, alinkage mechanism 20 is arranged between the insertingcylinder 4 and thesecond worm 17, thelinkage mechanism 20 comprises adriving wheel 201, a driven wheel 202 and asynchronous belt 203, thedriving wheel 201 is sleeved on thesecond worm 17, the driven wheel 202 is sleeved on the insertingcylinder 4, and thedriving wheel 201 and the driven wheel 202 are driven through thesynchronous belt 203, through the cooperation of thedriving wheel 201 and the driven wheel 202 that set up for insert a section ofthick bamboo 4 and can cooperate the synchronous rotation ofsecond worm 17, both avoided adding the cost that drive equipment increased in addition, and insert a section ofthick bamboo 4 and can drive aviation machine and carry the hydrovalve and rotate, make aviation machine carry the hydrovalve can cooperate the turning sword of lateral motion to carry out the turning operation.

The lead angle of thebidirectional screw 5 is smaller than the friction angle between thebidirectional screw 5 and the thread block 6, the size of the driven wheel 202 is larger than that of thedriving wheel 201, the lead angle of thebidirectional screw 5 is designed, self-locking between thebidirectional screw 5 and the thread block 6 can be realized, the manual locking is avoided, the size of the driven wheel 202 is designed, the rotating speed of the insertingbarrel 4 can be reduced, the aviation onboard hydraulic valve can slowly rotate, and turning operation is carried out by matching with a turning tool.

The operating principle of the present invention will now be described as follows:

when the device is used, the device can be fixed at a target position of a lathe through the matching of themounting hole 31 and a bolt, when an aircraft-mounted hydraulic valve needs to be stabilized, firstly, the L-shaped supporting seat 3 is rotated through the supportingshaft 2, the L-shaped supporting seat 3 can drive the insertingcylinder 4 to rotate, when theinserting cylinder 4 rotates to a required angle, current is introduced into the annularelectromagnetic strip 23, the annularelectromagnetic strip 23 can attract the supportingslide block 21 through theiron block 24, the L-shaped supporting seat is locked, then, a pipe body of the aircraft-mounted hydraulic valve is inserted on the insertingcylinder 4, then, therotating handle 10 is rotated, therotating handle 10 can drive the first worm 9 to rotate, under the transmission of eachfirst worm wheel 11, the first worm 9 can drive each two-way lead screw 5 to rotate, in the rotating process of the two-way lead screws 5, the two thread blocks 6 on the two-way lead screws can be far away from each other, and then the thread blocks 6 can drive the inner wall of the aircraft-mounted hydraulic valve with thefixture block 8 through theslide rod 7, the fixing of the airborne hydraulic valve of the aircraft is realized, then, the current of the annular electricmagnetic strip 23 is cut off, the L-shaped supporting seat 3 is unlocked, the L-shaped supporting seat 3 is rotated to the turning position, the current is introduced into the annular electricmagnetic strip 23, the L-shaped supporting seat 3 is locked, then the drivingmotor 18 is started, and the turning tool on the lathe is controlled to perform the turning operation, the drivingmotor 18 drives thesecond worm 17 to rotate, thesecond worm 17 drives eachheat dissipation fan 14 to rotate through eachsecond worm wheel 19, wind power is generated during the rotation of theheat dissipation fan 14, acting on the aviation onboard hydraulic valve through theair port 15 to accelerate the heat dissipation of the aviation onboard hydraulic valve, thesecond worm 17 rotates and drives thedriving wheel 201 to rotate, under the transmission of the driven wheel 202, the insertingcylinder 4 can rotate synchronously along with thesecond worm 17, and the insertingcylinder 4 can drive the airborne hydraulic valve to rotate, so that the airborne hydraulic valve can be matched with a turning cutter which moves transversely to perform turning operation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The special fixture for machining and turning the aviation onboard structural part product comprises a base (1) and is characterized in that a supporting shaft (2) is connected to the base (1) in a rotating mode, an L-shaped supporting seat (3) is fixedly connected to the upper end of the supporting shaft (2), an inserting cylinder (4) is connected to the L-shaped supporting seat (3) in a rotating mode, a plurality of bidirectional lead screws (5) are connected to the inserting cylinder (4) in a rotating mode, two thread blocks (6) are connected to the bidirectional lead screws (5) in a threaded mode, two sliding rods (7) are fixedly connected to the thread blocks (6), one end, far away from the thread blocks (6), of each sliding rod (7) penetrates through the inserting cylinder (4) and is fixedly connected with a clamping block (8), a first worm (9) is connected to the inserting cylinder (4) in a rotating mode, a rotating handle (10) is sleeved at one end of the first worm (9) penetrates through the L-shaped supporting seat (3), and a first worm wheel (11) is sleeved on each bidirectional lead screw (5), each first worm wheel (11) is meshed with the first worm (9), a box body (12) is fixedly connected to the L-shaped supporting seat (3), a plurality of rotating shafts (13) are rotatably connected in the box body (12), and the rotating shaft (13) is fixedly connected with a heat radiation fan (14), the box body (12) is provided with a plurality of air ports (15), a filter screen (16) is arranged on the tuyere (15), a second worm (17) is rotationally connected on the L-shaped supporting seat (3), one end of the second worm (17) is connected with a driving motor (18) in a transmission way, the other end of the second worm (17) extends into the box body (12) and is arranged, a second worm wheel (19) is sleeved on each rotating shaft (13), each second worm wheel (19) is meshed with a second worm (17), and a linkage mechanism (20) is arranged between the inserting cylinder (4) and the second worm (17);

the linkage mechanism (20) comprises a driving wheel (201), a driven wheel (202) and a synchronous belt (203), the driving wheel (201) is sleeved on the second worm (17), the driven wheel (202) is sleeved on the inserting cylinder (4), and the driving wheel (201) and the driven wheel (202) are transmitted through the synchronous belt (203); the lead angle of the bidirectional screw rod (5) is smaller than the friction angle between the bidirectional screw rod (5) and the thread block (6), and the size of the driven wheel (202) is larger than that of the driving wheel (201).

2. The special fixture for machining and turning the aviation onboard structural part product according to claim 1, wherein a plurality of supporting sliding blocks (21) are fixedly connected to the lower end of the L-shaped supporting seat (3), and an annular sliding groove (22) matched with the supporting sliding blocks (21) is formed in the base (1).

3. The special fixture for machining and turning the aircraft airborne structural part product according to claim 2, wherein the annular chute (22) is embedded with an annular electric magnetic strip (23), and an iron block (24) matched with the annular electric magnetic strip (23) is embedded at the end part of the supporting sliding block (21).

4. The special fixture for machining and turning the aviation onboard structural part product as claimed in claim 1, wherein a support plate (25) is fixedly connected to the L-shaped support seat (3), and the insert cylinder (4) and the second worm (17) are rotatably connected with the support plate (25).

5. The special fixture for machining and turning the aviation onboard structural part product as claimed in claim 1, wherein the fixture block (8) is designed in an arc shape, and a friction pad (26) is bonded on the fixture block (8).

6. The special fixture for machining and turning the aircraft-mounted structural part product according to claim 1, wherein the filter screen (16) is fixedly connected with a plurality of inserting blocks (27), the box body (12) is provided with inserting grooves (28) matched with the inserting blocks (27), and the inserting blocks (27) and the inserting grooves (28) are designed in a wedge shape.

7. The special fixture for machining and turning the aviation onboard structural part product according to claim 1, wherein the base (1) is fixedly connected with a buffer seat (30) through a plurality of buffer springs (29), the buffer seat (30) is provided with a plurality of mounting holes (31), the buffer seat (30) is fixedly connected with a plurality of limiting rods (32), and the limiting rods (32) are slidably connected with the base (1).

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