CN114197022A

CN114197022A - A frock clamp for round pin axle electroplating process

Info

Publication number: CN114197022A
Application number: CN202111532932.7A
Authority: CN
Inventors: 唐金; 周强; 代亚烽; 陈广
Original assignee: Changde Dingcheng Zhengrong Machinery Manufacturing Co ltd
Current assignee: Changde Dingcheng Zhengrong Machinery Manufacturing Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-18
Anticipated expiration: 2041-12-15
Also published as: CN114197022B

Abstract

The invention belongs to the field of tool fixtures, and particularly relates to a tool fixture for electroplating processing of a pin shaft, which comprises a fixture seat, a threaded sleeve and a fixture head; a threaded sleeve is arranged on one side of the clamp seat, the clamp head is sleeved on one side, away from the clamp seat, of the threaded sleeve, and a clamping mechanism is arranged inside the clamp seat; the clamping mechanism comprises a moving groove, a screw rod, a transmission cavity, a driven gear, a driving gear, a connecting shaft, a flat gear, a limiting assembly and a releasing assembly, wherein the moving groove is formed in two ends of one side of a threaded sleeve; the function of conveniently fixing the pin shafts of different specifications is realized through the clamping mechanism.

Description

A frock clamp for round pin axle electroplating process

Technical Field

The invention relates to the field of tool fixtures, in particular to a tool fixture for electroplating processing of a pin shaft.

Background

The pin shaft is a standardized fastener, is usually locked by a cotter pin, is reliable in work and convenient to detach, and needs to be electroplated in the processing process of the pin shaft so as to improve the anti-rust performance of the pin shaft.

When the pin shaft is electroplated, a special clamp is used for fixing the pin shaft, the tool clamp for electroplating the pin shaft is continuously improved in the long-time use process, and the conventional tool clamp for the pin shaft can well assist the pin shaft in electroplating.

The conventional tool clamp for electroplating the pin shafts can not fix the pin shafts with different specifications, and a tool clamp with a specified type is required to be used for clamping and fixing different pin shafts, so that the operation is inconvenient, and the efficiency of electroplating the pin shafts is reduced; therefore, a tooling clamp for electroplating processing of the pin shaft is provided aiming at the problems.

Disclosure of Invention

In order to overcome the defects of the prior art and solve the problem that most of the conventional tool clamps for electroplating the pin shafts cannot fix the pin shafts with different specifications, the invention provides a tool clamp for electroplating the pin shafts.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a tool clamp for electroplating processing of a pin shaft, which comprises a clamp seat, a threaded sleeve and a clamp head; a threaded sleeve is arranged on one side of the clamp seat, the clamp head is sleeved on one side, away from the clamp seat, of the threaded sleeve, and a clamping mechanism is arranged inside the clamp seat; the clamping mechanism comprises a moving groove, a screw rod, a transmission cavity, a driven gear, a driving gear, a connecting shaft, a flat gear, a limiting component and a releasing component, the moving groove is arranged at two ends of one side of the screw sleeve, the screw rod is movably connected inside the moving groove through a bearing, the transmission cavity is arranged inside the top end of the clamp seat, the top end of the screw rod extends to the inside of the transmission cavity, the outer side of the screw rod is connected with a threaded sleeve in a threaded manner, the driven gear is fixedly connected with the top end of the screw rod, the driving gear is meshed with the driven gear, the connecting shaft is fixedly connected with the driving gear, the flat gear is fixedly connected at the position of the connecting shaft close to the center, the limiting assembly is arranged at the top end of the flat gear, the releasing assembly is arranged on one side of the limiting assembly, and the function of conveniently fixing the pin shafts of different specifications is realized through the clamping mechanism.

Preferably, one side that the driving gear was kept away from to the connecting axle runs through the driving gear and extends to the outside of driving gear, and one side fixedly connected with knob that the driving gear was kept away from to the connecting axle, anti-skidding line has been seted up in the outside of knob, plays the convenience through the knob and carries out pivoted effect to the connecting axle, plays increase frictional force through the effect of the anti-skidding line that the knob outside was seted up, prevents the slippage when rotating the knob.

Preferably, spacing subassembly includes bayonet lock, movable block, activity groove and reset spring, the bayonet lock sets up the top at the spur gear, and the top of bayonet lock runs through the anchor clamps seat and extends to the outside of anchor clamps seat, movable block fixed connection is in one side of bayonet lock, and movable block sliding connection is in the inside in activity groove, the inside at the anchor clamps seat is seted up in the activity groove, reset spring sets up in the inside in activity groove, plays the effect that prevents that the anchor clamps head from backing back to the centre gripping pine of round pin axle and taking off through spacing subassembly.

Preferably, one end of the reset spring close to the movable block is fixedly connected with the movable block, one side of the reset spring far away from the movable block is fixedly connected in the movable groove, and the effect of restoring force of the reset spring is utilized to achieve the effect of automatically restoring the movable block to the original position.

Preferably, it includes connecting block, spread groove, activity chamber, cam, axis of rotation, rotation button and torsional spring to remove the subassembly, connecting block fixed connection keeps away from one side of movable block at the bayonet lock, and connecting block sliding connection is in the inside of spread groove, the inside on anchor clamps seat top is seted up to the spread groove, the bottom at the spread groove is seted up in the activity chamber, bearing swing joint is passed through on the top of activity intracavity portion to the axis of rotation, cam and axis of rotation fixed connection, rotate button fixed connection and keep away from one side of cam in the axis of rotation, the torsional spring winding is in the outside of axis of rotation, plays the fixed effect of taking off the round pin axle of conveniently removing through removing the subassembly.

Preferably, a connecting mechanism is arranged between the threaded sleeve and the clamp head, the connecting mechanism comprises a clamping groove, a clamping block, a connecting plate, a sleeve block, a sleeve groove, a connecting spring, a sliding assembly, an auxiliary connecting assembly and a clamping pad, the clamping groove is arranged at one end of the screw sleeve close to one side of the clamp head, one end of the clamping block is clamped with the clamping groove, the connecting plate is fixedly connected with the clamping block, the sleeve block is fixedly connected with one side of the connecting plate away from the clamping block, the sleeve block is sleeved in the sleeve groove, the sleeve groove is arranged on the clamp head, the connecting spring is arranged in the sleeve groove, the sliding assembly is arranged on one side of the sleeve groove, the auxiliary connecting assembly is arranged on one side of the clamp head close to the threaded sleeve, the clamping pad is glued on one end of the clamp head, and the clamping pad is made of rubber, so that the function of conveniently replacing the clamp head is realized through the connecting mechanism.

Preferably, the sliding assembly comprises a sliding block and a sliding groove, the sliding block is fixedly connected to one side, close to one end of the connecting spring, of the sleeve block, the sliding block is connected to the inside of the sliding groove in a sliding mode, the sliding groove is formed in one side of the inner portion of the sleeve groove, the sliding assembly is used for reducing friction force of the sleeve block when the sleeve block moves, and the sleeve block is made to move more smoothly.

Preferably, supplementary coupling assembling includes inserted block, slot, spacing chamber, spacing spring, stopper and spacing groove, inserted block and anchor clamps head fixed connection, and the inserted block inserts the inside of establishing at the slot, the slot is seted up in the swivel nut and is close to one side of anchor clamps head, the both ends at the inserted block are seted up in spacing chamber, spacing spring sets up the inside at spacing chamber, the inside in spacing chamber is established to one side cover of stopper, and the opposite side and the spacing groove block of stopper, the both ends inside the slot are seted up in the spacing groove, play through supplementary coupling assembling and carry out supplementary fixed effect to being connected between anchor clamps head and the swivel nut.

The invention has the advantages that:

1. according to the invention, through the structural design of the clamping mechanism, the function of conveniently fixing the pin shafts with different specifications is realized, so that the pin shafts with different specifications can be conveniently electroplated, the pin shaft piece can be conveniently clamped and fixed by rotating the knob, when the pin shaft is taken down, the fixing of the pin shaft can be released by rotating the rotating knob and then reversely rotating the knob, the pin shaft is conveniently taken down, the problem that the existing clamping tool for electroplating the pin shaft can not be used for fixing the pin shafts with different specifications is solved, and the efficiency of electroplating different types of pin shafts is improved;

2. according to the tool head, the function of conveniently replacing the tool head is realized through the structural design of the connecting mechanism, the connecting plate is pulled towards one end far away from the tool head, and the tool head is pulled towards one side far away from the threaded sleeve and can be taken down, so that the problem that the existing tool head is easy to damage after being used for a long time, but the existing tool head and the threaded sleeve are of an integrated structure is solved, when the tool head needs to be replaced, the whole tool clamp needs to be disassembled, and the threaded sleeve and the tool head need to be replaced at the same time, so that time and labor are wasted, the replacement cost is high, the convenience in replacing the tool head is improved, the synchronous replacement of the threaded sleeves of the tool head is avoided, and the cost for maintaining the whole tool clamp is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is an enlarged structural diagram of a portion B in FIG. 2 according to the first embodiment;

FIG. 5 is a partial enlarged side view of the spur gear and the detent according to the first embodiment;

fig. 6 is a schematic perspective view of a cam, a rotating shaft and a rotating knob according to the first embodiment.

In the figure: 1. a clamp seat; 21. a moving groove; 22. a screw; 23. a transmission cavity; 24. a driven gear; 25. a driving gear; 26. a connecting shaft; 27. a knob; 28. a flat gear; 29. a bayonet lock; 210. connecting blocks; 211. connecting grooves; 212. a movable cavity; 213. a cam; 214. a rotating shaft; 215. a knob is rotated; 216. a torsion spring; 217. a movable block; 218. a movable groove; 219. a return spring; 3. a threaded sleeve; 4. a clamp head; 51. a card slot; 52. a clamping block; 53. a connecting plate; 54. sleeving blocks; 55. sleeving a groove; 56. a connecting spring; 57. a slider; 58. a chute; 59. inserting a block; 510. a slot; 511. a limiting cavity; 512. a limiting spring; 513. a limiting block; 514. a limiting groove; 515. a clamping pad.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, a tooling fixture for electroplating pin shafts comprises a fixture base 1, a threaded sleeve 3 and a fixture head 4; a threaded sleeve 3 is arranged on one side of the clamp seat 1, the clamp head 4 is sleeved on one side, away from the clamp seat 1, of the threaded sleeve 3, and a clamping mechanism is arranged inside the clamp seat 1; the clamping mechanism comprises a moving groove 21, a screw 22, a transmission cavity 23, a driven gear 24, a driving gear 25, a connecting shaft 26, a flat gear 28, a limiting component and a releasing component, the moving groove 21 is arranged at two ends of one side of the screw sleeve 3, the screw rod 22 is movably connected inside the moving groove 21 through a bearing, the transmission cavity 23 is arranged inside the top end of the clamp seat 1, and the top end of the screw rod 22 extends to the interior of the transmission cavity 23, the outer side of the screw rod 22 is connected with the threaded sleeve 3 in a threaded manner, the driven gear 24 is fixedly connected to the top end of the screw 22, the driving gear 25 is engaged with the driven gear 24, the connecting shaft 26 is fixedly connected with the driving gear 25, the flat gear 28 is fixedly connected at the position of the connecting shaft 26 close to the center, the limiting assembly is arranged at the top end of the flat gear 28, and the releasing assembly is arranged at one side of the limiting assembly;

during operation, when the pin shaft is fixed, firstly, the knob 27 is twisted to drive the driving gear 25 to rotate through the connecting shaft 26, so that the driving gear 25 drives the meshed driven gear 24 to rotate, the screw rod 22 fixedly connected with the driven gear 24 rotates, the screw rod 22 rotates to enable the screw sleeve 3 in threaded connection with the screw rod 22 to move and drive the clamp heads 4 to move synchronously, and because the directions of the threads formed at the two ends of the screw rod 22 are opposite, when the screw rod 22 rotates, the two groups of clamp heads 4 move towards the central position of the clamp seat 1, so that the pin shaft is clamped.

One side, far away from the driving gear 25, of the connecting shaft 26 penetrates through the driving gear 25 and extends to the outer side of the driving gear 25, a knob 27 is fixedly connected to one side, far away from the driving gear 25, of the connecting shaft 26, and anti-skid grains are formed in the outer side of the knob 27;

during operation, play through knob 27 and conveniently carry out pivoted effect to connecting axle 26, play increase frictional force through the effect of the anti-skidding line of seting up in the knob 27 outside, prevent to slide when rotating knob 27.

The limiting assembly comprises a bayonet 29, a movable block 217, a movable groove 218 and a return spring 219, the bayonet 29 is arranged at the top end of the flat gear 28, the top end of the bayonet 29 penetrates through the fixture seat 1 and extends to the outer side of the fixture seat 1, the movable block 217 is fixedly connected to one side of the bayonet 29, the movable block 217 is connected to the inside of the movable groove 218 in a sliding manner, the movable groove 218 is arranged in the fixture seat 1, and the return spring 219 is arranged in the movable groove 218;

when the clamp is in operation, when the knob 27 is rotated, the connecting shaft 26 synchronously drives the flat gear 28 to rotate, so that the flat gear 28 is abutted against the inclined surface at the bottom end of the bayonet 29 and extrudes the bayonet 29, the bayonet 29 moves under the action of the extrusion force to release the state of being clamped with the flat gear 28, when the bayonet 29 moves, the movable block 217 fixedly connected is driven to slide in the movable groove 218, the reset spring 219 moves to elastically deform the reset spring 219, when the flat gear 28 stops rotating, the extrusion force of the flat gear 28 to the bayonet 29 disappears, at the moment, the movable block 217 drives the bayonet 29 to return to the original position under the action of the reduction force of the reset spring 219, the bayonet 29 has the effect of limiting the reverse rotation of the flat gear 28, and the clamp head 4 is prevented from backing up and loosening the clamping of the pin shaft.

One end of the return spring 219 close to the movable block 217 is fixedly connected with the movable block 217, and one side of the return spring 219 far away from the movable block 217 is fixedly connected inside the movable groove 218;

when the device works, the restoring force of the return spring 219 plays a role in automatically restoring the movable block 217 to the original position.

The release assembly comprises a connecting block 210, a connecting groove 211, a movable cavity 212, a cam 213, a rotating shaft 214, a rotating button 215 and a torsion spring 216, wherein the connecting block 210 is fixedly connected to one side of the clamping pin 29 away from the movable block 217, the connecting block 210 is slidably connected to the inside of the connecting groove 211, the connecting groove 211 is arranged inside the top end of the clamp seat 1, the movable cavity 212 is arranged at the bottom end of the connecting groove 211, the rotating shaft 214 is movably connected to the top end of the inside of the movable cavity 212 through a bearing, the cam 213 is fixedly connected with the rotating shaft 214, the rotating button 215 is fixedly connected to one side of the rotating shaft 214 away from the cam 213, and the torsion spring 216 is wound on the outer side of the rotating shaft 214;

in operation, when the pin is to be released, the rotating knob 215 is rotated to drive the cam 213 to rotate through the rotating shaft 214, so that the cam 213 pushes the connecting block 210 upwards to slide in the connecting groove 211, the latch 29 is also moved synchronously to release the effect of limiting the rotation of the flat gear 28 in the direction, the torsion spring 216 fixedly connected to one side of the cam 213 is twisted to generate elastic deformation when the cam 213 rotates, and then the rotating knob 27 is rotated reversely to drive the two sets of clamp heads 4 to move in the opposite direction to release the fixation of the pin.

A connecting mechanism is arranged between the screw sleeve 3 and the clamp head 4, the connecting mechanism comprises a clamping groove 51, a clamping block 52, a connecting plate 53, a sleeve block 54, a sleeve groove 55, a connecting spring 56, a sliding assembly, an auxiliary connecting assembly and a clamping pad 515, the clamping groove 51 is arranged at one end of the screw sleeve 3 close to the clamp head 4, one end of the clamping block 52 is clamped with the clamping groove 51, the connecting plate 53 is fixedly connected with the clamping block 52, the sleeve block 54 is fixedly connected with one side of the connecting plate 53 far away from the clamping block 52, and the sleeve block 54 is sleeved inside the sleeve groove 55, the sleeve groove 55 is arranged on the clamp head 4, the connection spring 56 is disposed inside the pocket 55, the sliding assembly is disposed at one side of the pocket 55, the auxiliary connecting assembly is arranged on one side, close to the threaded sleeve 3, of the clamp head 4, the clamping pad 515 is glued to one end of the clamp head 4, and the clamping pad 515 is made of rubber;

when the fixture is in operation, when the fixture head 4 and the threaded sleeve 3 are to be fixed, the hole formed on one side of the fixture head 4 is aligned with the threaded sleeve 3, then the fixture head 4 is pushed towards the threaded sleeve 3, the threaded sleeve 3 is inserted into the fixture head 4, the threaded sleeve 3 extrudes the inclined plane formed on the fixture block 52 when the threaded sleeve 3 is inserted, the fixture block 52 moves, the sleeve block 54 is driven by the connecting plate 53 to move synchronously in the sleeve groove 55, the connecting spring 56 is pulled to generate elastic deformation, when the threaded sleeve 3 is completely inserted into the fixture head 4, the extrusion force of the threaded sleeve 3 on the fixture block 52 disappears, at the moment, the sleeve block 54 is restored to the original position under the action of the reducing force of the connecting spring 56 and drives the fixture block 52 to be restored synchronously by the connecting plate 53, the fixture block 52 is clamped with the clamping groove 51 formed on the threaded sleeve 3, the pair 4 is connected with the threaded sleeve 3, when the connection between the clamp head 4 and the screw sleeve 3 is to be released, the connecting plate 53 is pulled to the end away from the clamp head 4 to release the clamping between the clamping block 52 and the clamping groove 51, and then the clamp head 4 is pulled to the side away from the screw sleeve 3 to take down the clamp head 4.

The sliding assembly comprises a sliding block 57 and a sliding groove 58, the sliding block 57 is fixedly connected to one side of the sleeve block 54 close to one end of the connecting spring 56, the sliding block 57 is connected to the inside of the sliding groove 58 in a sliding mode, and the sliding groove 58 is formed in one side of the inside of the sleeve groove 55;

in operation, when the sleeve block 54 moves, the sliding block 57 fixedly connected with the sleeve block 54 also slides in the sliding groove 58 along with the movement of the sleeve block 54, and the effect of the combination of the sliding block 57 and the sliding groove 58 reduces the friction force between the sleeve block 54 and the inner wall of the sleeve groove 55, so that the sleeve block 54 moves more smoothly, and the sleeve block 54 is prevented from being stuck due to overlarge friction force between the sleeve block 54 and the inner wall of the sleeve groove 55 when moving.

The auxiliary connecting assembly comprises an inserting block 59, a slot 510, a limiting cavity 511, a limiting spring 512, a limiting block 513 and a limiting groove 514, wherein the inserting block 59 is fixedly connected with the clamp head 4, the inserting block 59 is inserted into the slot 510, the slot 510 is arranged on one side of the screw sleeve 3 close to the clamp head 4, the limiting cavity 511 is arranged at two ends of the inserting block 59, the limiting spring 512 is arranged in the limiting cavity 511, one side of the limiting block 513 is sleeved in the limiting cavity 511, the other side of the limiting block 513 is clamped with the limiting groove 514, and the limiting groove 514 is arranged at two ends of the slot 510;

during operation, when installing anchor clamps head 4, swivel nut 3 is inserting inside anchor clamps head 4, inserted block 59 also inserts the inside to slot 510 in step, the inner wall of slot 510 produces the extrusion to stopper 513 when inserted block 59 inserts, make stopper 513 move to the inside of spacing chamber 511 and produce the extrusion to stopper spring 512, make stopper spring 512 produce elastic deformation, after inserted block 59 inserts the inside to slot 510 completely, the inner wall of slot 510 disappears to the extrusion force of stopper 513, stopper 513 restores to the normal position and blocks with spacing groove 514 under the effect of the reducing force of stopper spring 512 this moment, play the effect of carrying out the auxiliary fixation to the connection between anchor clamps head 4 and swivel nut 3, when dismantling anchor clamps head 4 then the opposite.

The working principle is as follows: when the pin shaft is fixed, firstly, the knob 27 is twisted to drive the driving gear 25 to rotate through the connecting shaft 26, so that the driving gear 25 drives the meshed driven gear 24 to rotate, the screw rod 22 fixedly connected with the driven gear 24 rotates, the screw rod 22 rotates to enable the screw sleeve 3 in threaded connection with the screw rod 22 to move and drive the clamp heads 4 to move synchronously, and because the directions of the threads formed at the two ends of the screw rod 22 are opposite, when the screw rod 22 rotates, the two groups of clamp heads 4 move towards the central position of the clamp seat 1, so that the pin shaft is clamped.

When the knob 27 is rotated, the connecting shaft 26 synchronously drives the flat gear 28 to rotate, so that the flat gear 28 is abutted against the inclined surface at the bottom end of the bayonet 29 and extrudes the bayonet 29, the bayonet 29 moves under the action of the extrusion force to release the state of being clamped with the flat gear 28, when the bayonet 29 moves, the movable block 217 fixedly connected is driven to slide in the movable groove 218, the return spring 219 moves to elastically deform the return spring 219, when the flat gear 28 stops rotating, the extrusion force of the flat gear 28 to the bayonet 29 disappears, at the moment, the movable block 217 drives the bayonet 29 to return to the original position under the action of the reduction force of the return spring 219, so that the bayonet 29 has the effect of limiting the reverse rotation of the flat gear 28, and the clamp head 4 is prevented from backing off to clamp the pin shaft.

When the fixing of the pin shaft is to be released, firstly, the rotating knob 215 is rotated to drive the cam 213 to rotate through the rotating shaft 214, so that the cam 213 pushes the connecting block 210 upwards to slide in the connecting groove 211, the bayonet 29 is also moved synchronously to release the effect of limiting the rotation of the flat gear 28 in the direction, the torsion spring 216 fixedly connected with one side of the cam 213 is twisted to generate elastic deformation when the cam 213 rotates, and then the reverse rotating knob 27 drives the two groups of clamp heads 4 to move in the opposite direction to release the fixing of the pin shaft.

When the clamp head 4 and the threaded sleeve 3 are to be fixed, firstly, the hole formed on one side of the clamp head 4 is aligned with the threaded sleeve 3, then the clamp head 4 is pushed towards the threaded sleeve 3, the threaded sleeve 3 is inserted into the clamp head 4, the threaded sleeve 3 extrudes the inclined plane formed on the clamping block 52 when the threaded sleeve 3 is inserted, the clamping block 52 moves, the sleeve block 54 is driven by the connecting plate 53 to synchronously move in the sleeve groove 55, the connecting spring 56 is pulled to generate elastic deformation, when the threaded sleeve 3 is completely inserted into the clamp head 4, the extrusion force of the threaded sleeve 3 on the clamping block 52 disappears, at the moment, the sleeve block 54 is restored to the original position under the action of the reducing force of the connecting spring 56 and drives the clamping block 52 to synchronously restore to the original position by the connecting plate 53, the clamping block 52 is clamped with the clamping groove 51 formed on the threaded sleeve 3, and the clamp 4 is connected with the threaded sleeve 3, when the connection between the clamp head 4 and the screw sleeve 3 is to be released, the connecting plate 53 is pulled to the end away from the clamp head 4 to release the clamping between the clamping block 52 and the clamping groove 51, and then the clamp head 4 is pulled to the side away from the screw sleeve 3 to take down the clamp head 4.

When the sleeve block 54 moves, the sliding block 57 fixedly connected with the sleeve block 54 also slides in the sliding groove 58 synchronously with the movement of the sleeve block 54, and the effect of the combination of the sliding block 57 and the sliding groove 58 plays a role in reducing the friction force between the sleeve block 54 and the inner wall of the sleeve groove 55, so that the sleeve block 54 moves more smoothly, and the sleeve block 54 is prevented from being blocked due to the overlarge friction force between the sleeve block 54 and the inner wall of the sleeve groove 55 when moving.

When the fixture head 4 is installed, the threaded sleeve 3 is inserted into the fixture head 4, the insertion block 59 is also inserted into the insertion slot 510 synchronously, the inner wall of the insertion slot 510 extrudes the limiting block 513 when the insertion block 59 is inserted, the limiting block 513 moves towards the inside of the limiting cavity 511 and extrudes the limiting spring 512, the limiting spring 512 elastically deforms, after the insertion block 59 is completely inserted into the insertion slot 510, the extrusion force of the inner wall of the insertion slot 510 on the limiting block 513 disappears, at this time, the limiting block 513 returns to the original position under the action of the reducing force of the limiting spring 512 and is clamped with the limiting groove 514, the effect of assisting and fixing the connection between the fixture head 4 and the threaded sleeve 3 is achieved, and the opposite effect is achieved when the fixture head 4 is disassembled.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a frock clamp for round pin axle electroplate processing which characterized in that: comprises a clamp seat (1), a threaded sleeve (3) and a clamp head (4); a threaded sleeve (3) is arranged on one side of the clamp seat (1), the clamp head (4) is sleeved on one side, far away from the clamp seat (1), of the threaded sleeve (3), and a clamping mechanism is arranged inside the clamp seat (1);

the clamping mechanism comprises a moving groove (21), a screw rod (22), a transmission cavity (23), a driven gear (24), a driving gear (25), a connecting shaft (26), a flat gear (28), a limiting assembly and a releasing assembly, wherein the moving groove (21) is arranged at two ends of one side of a threaded sleeve (3), the screw rod (22) is movably connected in the moving groove (21) through a bearing, the transmission cavity (23) is arranged in the top end of a clamp seat (1), the top end of the screw rod (22) extends to the inside of the transmission cavity (23), the outer side of the screw rod (22) is in threaded connection with the threaded sleeve (3), the driven gear (24) is fixedly connected at the top end of the screw rod (22), the driving gear (25) is meshed with the driven gear (24), the connecting shaft (26) is fixedly connected with the driving gear (25), the flat gear (28) is fixedly connected at a position, close to the center, of the connecting shaft (26), the limiting assembly is arranged at the top end of the flat gear (28), and the releasing assembly is arranged on one side of the limiting assembly.

2. The tooling clamp for electroplating processing of the pin shaft according to claim 1, characterized in that: one side of the connecting shaft (26) far away from the driving gear (25) penetrates through the driving gear (25) and extends to the outer side of the driving gear (25), one side of the connecting shaft (26) far away from the driving gear (25) is fixedly connected with a knob (27), and anti-skid grains are arranged on the outer side of the knob (27).

3. The tooling clamp for electroplating processing of the pin shaft according to claim 2, characterized in that: spacing subassembly includes bayonet lock (29), movable block (217), activity groove (218) and reset spring (219), bayonet lock (29) set up the top at spur gear (28), and the top of bayonet lock (29) runs through anchor clamps seat (1) and extends to the outside of anchor clamps seat (1), movable block (217) fixed connection is in one side of bayonet lock (29), and movable block (217) sliding connection is in the inside in activity groove (218), the inside in anchor clamps seat (1) is seted up in activity groove (218), reset spring (219) sets up the inside in activity groove (218).

4. The tooling clamp for electroplating processing of the pin shaft according to claim 3, characterized in that: one end of the return spring (219) close to the movable block (217) is fixedly connected with the movable block (217), and one side of the return spring (219) far away from the movable block (217) is fixedly connected in the movable groove (218).

5. The tooling clamp for electroplating processing of the pin shaft according to claim 4, wherein: remove the subassembly and include connecting block (210), connecting groove (211), activity chamber (212), cam (213), axis of rotation (214), rotate button (215) and torsional spring (216), connecting block (210) fixed connection is in one side of bayonet lock (29) keeping away from movable block (217), and connecting block (210) sliding connection is in the inside of connecting groove (211), the inside on anchor clamps seat (1) top is seted up in connecting groove (211), the bottom in connecting groove (211) is seted up in activity chamber (212), axis of rotation (214) are through bearing swing joint on the inside top in activity chamber (212), cam (213) and axis of rotation (214) fixed connection, rotate button (215) fixed connection and keep away from one side of cam (213) in axis of rotation (214), torsional spring (216) twine in the outside of axis of rotation (214).

6. The tooling clamp for electroplating processing of the pin shaft according to claim 5, wherein: be provided with coupling mechanism between swivel nut (3) and anchor clamps head (4), coupling mechanism includes draw-in groove (51), fixture block (52), connecting plate (53), cover block (54), trepanning (55), coupling spring (56), sliding component, auxiliary connection subassembly and centre gripping pad (515), draw-in groove (51) are seted up and are being close to the one end of anchor clamps head (4) one side at swivel nut (3), the one end and the draw-in groove (51) block of fixture block (52), connecting plate (53) and fixture block (52) fixed connection, cover block (54) fixed connection is in the one side that fixture block (52) were kept away from to connecting plate (53), and cover block (54) cover is established in the inside of trepanning (55), trepanning (55) are seted up on anchor clamps head (4), coupling spring (56) set up in the inside of trepanning (55), sliding component sets up in the one side of trepanning (55), the auxiliary connection assembly is arranged on one side, close to the threaded sleeve (3), of the fixture head (4), the clamping pad (515) is glued to one end of the fixture head (4), and the clamping pad (515) is made of rubber.

7. The tooling clamp for electroplating processing of the pin shaft according to claim 6, wherein: the sliding assembly comprises a sliding block (57) and a sliding groove (58), the sliding block (57) is fixedly connected to one side, close to one end of the connecting spring (56), of the sleeve block (54), the sliding block (57) is connected to the inside of the sliding groove (58) in a sliding mode, and the sliding groove (58) is formed in one side of the inside of the sleeve groove (55).

8. The tooling clamp for electroplating processing of the pin shaft according to claim 7, characterized in that: supplementary coupling assembling includes inserted block (59), slot (510), spacing chamber (511), spacing spring (512), stopper (513) and spacing groove (514), inserted block (59) and anchor clamps head (4) fixed connection, and inserted block (59) insert the inside of establishing in slot (510), one side that screw sleeve (3) are close to anchor clamps head (4) is seted up in slot (510), the both ends in inserted block (59) are seted up in spacing chamber (511), spacing spring (512) set up the inside in spacing chamber (511), the inside in spacing chamber (511) is established to one side cover of stopper (513), and the opposite side and the spacing groove (514) block of stopper (513), the both ends in slot (510) are seted up in spacing groove (514).