CN216504693U

CN216504693U - Auto-parts processing positioning fixture

Info

Publication number: CN216504693U
Application number: CN202123419313.5U
Authority: CN
Inventors: 李洪涛; 程文言; 薛继红; 王鹏; 程鹏宇
Original assignee: Xixia Jinxin Tianyuan Mechanical Equipment Co ltd
Current assignee: Xixia Jinxin Tianyuan Mechanical Equipment Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-13
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile part machining and positioning fixture which comprises a base plate, wherein the top of the base plate is connected with two chucks for fixing workpieces in a sliding manner, an adjusting component for adjusting the clamping positions of the chucks is arranged inside the base plate, and a limiting component for matching with the adjusting component to reset is arranged between an adapter and the base plate; the inner screw rod which is connected through the inner threads drives the adapter to descend when the sleeve is pressed by a workpiece, the chucks which are positioned on two sides of the bottom plate synchronously slide to the inner side to clamp the workpiece under the linkage action of the linkage rod in the descending process of the adapter, and when the sleeve loses the downward pressure of the workpiece, the sleeve is driven to ascend under the cooperation of the spring and the positioning ring, the adapter is driven to ascend synchronously, the clamping of the chucks is regulated, so that the workpieces in the same specification are not required to be regulated when clamped, the regulation operation for fixing the workpieces is reduced, and the working efficiency is improved.

Description

Auto-parts processing positioning fixture

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile part machining positioning fixture.

Background

When the automobile parts are processed and produced, workpieces need to be fixed under some processing operations, so that the workpieces can be positioned more stably when the workpieces are operated, the position deviation of the workpieces is prevented when the workpieces are operated, and the processing precision of the workpieces is ensured.

SUMMERY OF THE UTILITY MODEL

When the existing clamp is used for clamping and positioning a workpiece, the clamping of the clamp is required to be adjusted when the workpiece is placed and taken every time, so that the workpiece machining and positioning process is complicated, the time for adjusting the clamping and positioning of the workpiece is long, the workpiece machining efficiency is influenced, and the production efficiency is reduced. The utility model provides an automobile accessory machining positioning fixture which has the characteristics of avoiding adjusting actions of taking and placing workpieces every time and improving the clamping and positioning of the workpieces.

The utility model provides the following technical scheme: the utility model provides an auto-parts processing positioning fixture, includes the bottom plate, the inside fixedly connected with of bottom plate is used for spacing guide bar, the top sliding connection of bottom plate has two chucks that are used for going on fixing to the work piece, the inside of bottom plate is equipped with and is used for right the adjustment assembly that chuck clamping position goes on adjusting, adjustment assembly's bottom be equipped with be used for with adjustment assembly carries out the switching seat of linkage regulation, the switching seat with be equipped with between the bottom plate and be used for the cooperation the spacing subassembly that adjustment assembly resets.

The adjusting assembly comprises a sleeve, an inner screw and a top sealing plate, the inner screw is in threaded connection with the sleeve, the top sealing plate is in sliding connection with the sleeve, the bottom end of the inner screw is in rotating connection with the adapter, and a positioning ring is fixedly connected to the outer side of the bottom of the sleeve.

Wherein, spacing subassembly includes cover box, gag lever post and spring, the cover box with bottom plate bottom fixed connection, the gag lever post runs through the holding ring with cover box fixed connection, spring fixed connection in the holding ring with between the cover box, just the holding ring with gag lever post sliding connection.

The sleeve sequentially penetrates through the bottom plate and the sleeve box, and the sleeve is in sliding connection with the bottom plate and the sleeve box.

The clamping head is connected with the bottom plate in a sliding mode through the guide rod, the brush heads are fixedly connected to the two sides of the bottom of the clamping head, and the brush heads are sleeved with the outer sides of the guide rod and are connected with the guide rod in a sliding mode.

The two sides of the adapter are hinged with a linkage rod, and the other end of the linkage rod is hinged with the chuck.

The utility model has the beneficial effects that: through the sleeve pipe drive the adapter through inside screw connection's interior screw rod when receiving the work piece and pushing down, under the interlock effect of interlock pole is passed through at the in-process that the adapter descends, make the chuck that is located the bottom plate both sides slide to the inboard in step and realize the centre gripping to the work piece, when the sleeve pipe loses the overdraft of work piece, it rises to drive the sleeve pipe under the cooperation of spring and holding ring, it rises to drive the adapter to go on in step, can realize adjusting the centre gripping of chuck, make and need not to adjust when the work piece centre gripping with the specification, reduce the regulation operation fixed to the work piece, and the work efficiency is improved.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the movement of the chuck in the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view of fig. 1 at B.

In the figure: 1. a base plate; 11. a guide bar; 2. a chuck; 21. a brush head; 3. an adjustment assembly; 31. a sleeve; 311. a positioning ring; 32. an inner screw rod; 33. a top sealing plate; 4. a transfer seat; 41. a linkage rod; 5. a limiting component; 51. a kit; 52. a limiting rod; 53. a spring.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an auto-parts processing positioning fixture, comprising a base plate 1, the inside fixedly connected with of bottom plate 1 is used for spacing guide bar 11, the top sliding connection of bottom plate 1 has two chucks 2 that are used for going on fixing to the work piece, the inside of bottom plate 1 is equipped with and is used for carrying out the adjusting part 3 that adjusts to 2 clamping position of chuck, the bottom of adjusting part 3 is equipped with and is used for carrying out the switching seat 4 that the interlock was adjusted with adjusting part 3, be equipped with between switching seat 4 and the bottom plate 1 and be used for cooperating the spacing subassembly 5 that adjusting part 3 resets.

In this embodiment: the bottom plate 1 and the guide rod 11 are matched to limit the sliding of the chuck 2, the stability of the sliding of the chuck 2 is improved, the brush head 21 at the outer side of the chuck 2 is used for cleaning processing scraps falling onto the surface of the guide rod 11 when the chuck 2 slides, the scraps are prevented from being adhered and accumulated on the surface of the guide rod 11 to influence the sliding of the chuck 2, the sleeve 31 drives the adapter 4 to descend through the inner screw rod 32 connected with internal threads when being pressed by a workpiece, the chucks 2 positioned at two sides of the bottom plate 1 synchronously slide inwards to clamp the workpiece under the interlocking action of the interlocking rod 41 in the descending process of the adapter 4, and the chucks 2 synchronously clamp inwards to ensure that the workpiece is positioned at the middle position of the bottom plate 1, so as to ensure the uniformity of the clamping position of the workpiece, the positioning effect when the workpiece is processed, the inner screw rod 32 is connected with the sleeve 31 through threads, and the actual clamping range of the workpiece can be determined, the position of the inner screw 32 in the sleeve 31 is adjusted, the applicability to workpieces of different specifications is improved, the slidable top sealing plate 33 at the top of the sleeve 31 covers the inner screw 32, machining chips are placed and fall into the sleeve 31, the normal running of the rotation of the inner screw 32 is ensured, when the top sealing plate 33 descends into the bottom plate 1 along with the sleeve 31, the bottom plate 1 plays a limiting role in the top sealing plate 33 to prevent sliding, the sleeve 31 plays a limiting role in the sliding process under the matching of the positioning ring 311 and the limiting rod 52 to ensure the sliding stability of the sleeve 31, and the spring 53 supports the positioning ring 311, so that the sleeve 31 can be pushed to reset in the upward moving process of the machined workpiece, the workpiece can be clamped and positioned conveniently when the workpiece is placed again, when the workpiece of the same specification is machined, the time for adjusting the clamping when the workpiece is placed every time is saved, so that the production efficiency is improved.

The adjusting assembly 3 comprises a sleeve 31, an inner screw 32 and a top sealing plate 33, the inner screw 32 is in threaded connection with the sleeve 31, the top sealing plate 33 is in sliding connection with the sleeve 31, the bottom end of the inner screw 32 is rotatably connected with the adapter 4, and the outer side of the bottom of the sleeve 31 is fixedly connected with a positioning ring 311; the cooperation of sleeve pipe 31 and interior screw rod 32 realizes the regulation to 4 positions of adapter seat at the in-process of going up and down, and then the realization is to the regulation of 2 centre gripping scopes of chuck, at the in-process of placing the work piece, realize the location centre gripping, exempt the regulation step at the in-process to processing with specification work piece, make machining efficiency higher, and the threaded connection of interior screw rod 32 and sleeve pipe 31, the position of accessible rotatory interior screw rod 32 in sleeve pipe 31 realizes the regulatory action to 2 centre gripping scopes of chuck, and then increases the device's suitability.

The limiting component 5 comprises a sleeve box 51, a limiting rod 52 and a spring 53, the sleeve box 51 is fixedly connected with the bottom end of the bottom plate 1, the limiting rod 52 penetrates through a positioning ring 311 and is fixedly connected with the sleeve box 51, the spring 53 is fixedly connected between the positioning ring 311 and the sleeve box 51, and the positioning ring 311 is in sliding connection with the limiting rod 52; the cover box 51 cooperates with the limiting rod 52 and the positioning ring 311, and the sleeve 31 slides in a limiting manner, so that the stability of the sleeve 31 in the sliding process under pressure is guaranteed, the sleeve 31 normally pushes the adapter 4 below to normally descend, the spring 53 supports the positioning ring 311, the elastic release is carried out when no downward pressure is applied to the upper part of the sleeve 31, the sleeve 31 is pushed to reset, and the clamping action is carried out when the workpiece is placed again.

The sleeve 31 sequentially penetrates through the bottom plate 1 and the sleeve box 51, and the sleeve 31 is in sliding connection with the bottom plate 1 and the sleeve box 51; the sleeve 31 runs through the bottom plate 1, and the bottom plate 1 can play the effect of taking in and abdicating to sleeve 31 top and top shrouding 33, makes top shrouding 33 and bottom plate 1 surface be in same horizontal plane to ensure the work piece and place the steady when bottom plate 1, sleeve 31 runs through cover box 51 and can realize the gliding spacing to sleeve 31 under the cooperation of cover box 51 and gag lever post 52.

The chuck 2 is connected with the base plate 1 in a sliding manner through the guide rod 11, two sides of the bottom of the chuck 2 are fixedly connected with brush heads 21, and the brush heads 21 are sleeved outside the guide rod 11 and are connected with the guide rod 11 in a sliding manner; the guide rod 11 limits the sliding of the chuck 2, so that the stability of the chuck 2 during sliding is ensured, and the brush head 21 cleans the surface of the guide rod 11 in the sliding process of the chuck 2, so that the smoothness of the contact surface of the chuck 2 and the guide rod 11 is ensured, and the stability of the sliding of the chuck 2 is further ensured.

Two sides of the adapter 4 are hinged with a linkage rod 41, and the other end of the linkage rod 41 is hinged with the chuck 2; the adapter 4 converts the descending positions of the sleeve 31 and the inner screw 32 into the moving position of the chuck 2 through the connection of the linkage rod 41, so that the sleeve 31 and the inner screw 32 are lifted to drive the chuck 2 to clamp and release the clamping state of the workpiece.

The working principle and the using process of the utility model are as follows: when a workpiece needs to be clamped and positioned, whether the current clamping range is consistent with the size of the workpiece needing to be clamped and positioned is firstly confirmed, if so, the workpiece is directly placed above the sleeve 31, downward force is applied to the sleeve 31 under the action of the self weight of the workpiece, so that the sleeve 31 and the inner screw 32 descend, the adapter 4 is stably driven to descend synchronously under the limiting action of the limiting rod 52 and the positioning ring 311 in the descending process, and then the adapter 4 drives the chucks 2 at two sides to synchronously clamp the workpiece through the linkage rod 41, so that the workpiece is positioned to the central position of the bottom plate 1 in the clamping process of the workpiece, when the workpiece is machined, the workpiece only needs to be moved upwards, when the sleeve 31 loses the downward force, the sleeve 31 is pushed and reset under the cooperation of the spring 53 and the positioning ring 311, and the workpiece with the same specification is convenient to be placed again for clamping, when the clamping range of the chuck 2 is adjusted, the top sealing plate 33 is taken out by sliding towards the outer side only when the sleeve 31 is in a lifting state, and the position of the inner screw 32 in the sleeve 31 is adjusted by an external screwdriver and other tools according to actual use requirements, so that the initial position of the adapter 4 is changed, the clamping range of the chuck 2 is adjusted, and the applicability of the device to the specification of a workpiece is improved.

Claims

1. The utility model provides an auto-parts processing positioning fixture which characterized in that: the workpiece clamping device comprises a base plate, the inside fixedly connected with of base plate is used for spacing guide bar, the top sliding connection of base plate has two chucks that are used for fixing the workpiece, the inside of base plate is equipped with and is used for right the adjusting part that chuck clamping position goes on adjusting, adjusting part's bottom be equipped with be used for with adjusting part carries out the switching seat of linkage regulation, the switching seat with be equipped with between the base plate and be used for the cooperation the spacing subassembly that adjusting part resets.

2. The automobile accessory machining positioning fixture as claimed in claim 1, wherein: the adjusting assembly comprises a sleeve, an inner screw and a top sealing plate, the inner screw is in threaded connection with the sleeve, the top sealing plate is in sliding connection with the sleeve, the bottom end of the inner screw is in rotating connection with the adapter, and a positioning ring is fixedly connected to the outer side of the bottom of the sleeve.

3. The automobile accessory machining positioning fixture as claimed in claim 2, wherein: the limiting assembly comprises a sleeve box, a limiting rod and a spring, the sleeve box is fixedly connected with the bottom end of the bottom plate, the limiting rod penetrates through the positioning ring and the sleeve box, the spring is fixedly connected between the positioning ring and the sleeve box, and the positioning ring is connected with the limiting rod in a sliding mode.

4. The automobile accessory machining positioning fixture as claimed in claim 2, wherein: the sleeve pipe penetrates through the bottom plate and the sleeve box in sequence, and the sleeve pipe is connected with the bottom plate and the sleeve box in a sliding mode.

5. The automobile accessory machining positioning fixture as claimed in claim 1, wherein: the chuck passes through the guide bar with bottom plate sliding connection, the equal fixedly connected with brush head in chuck bottom both sides, brush first cover is located the guide bar outside, and with guide bar sliding connection.

6. The automobile accessory machining positioning fixture as claimed in claim 1, wherein: the adapter is characterized in that two sides of the adapter are hinged with a linkage rod, and the other end of the linkage rod is hinged with the chuck.