CN216542071U

CN216542071U - Shaft end punching and fixing clamp

Info

Publication number: CN216542071U
Application number: CN202123440764.7U
Authority: CN
Inventors: 陈军; 陆浩; 蒋玉萍
Original assignee: Changzhou Alcohol Machinery Technology Co ltd
Current assignee: Changzhou Alcohol Machinery Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-17
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a shaft end punching fixed-point clamp which comprises a base, a clamping device and a pushing device, wherein the base is provided with a pushing groove and a sliding groove, the clamping device comprises a pushing block, a clamping block, a sliding block and an ear plate, curved surface structures are arranged on the clamping block and the sliding block, the clamping block and the sliding block can be abutted to a shaft part through the curved surface structures, the pushing device comprises a sliding rail arranged on the pushing block and a driving screw rod penetrating through the ear plate, the clamping block is slidably clamped on the sliding rail, the driving screw rod is fixedly connected to the sliding block, two first nuts are sleeved on the driving screw rod in a matching manner and respectively arranged on two sides of the ear plate, the first nuts can drive the driving screw rod to push the clamping block to move along the sliding rail until the curved surface structures of the clamping block are abutted to the side wall of the shaft part, the curved surface structures are additionally arranged on the two sides and the bottom surface of the shaft part, so as to enlarge the clamping area of the clamping device and the shaft part, the deformation damage of the clamping force to shaft parts is reduced.

Description

Shaft end punching and fixing clamp

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a shaft end punching fixed-point fixture.

Background

The shaft part is used as a connecting piece, corresponding connecting holes are required to be machined in the shaft part frequently, the connecting holes in the shaft part are required to be arranged according to the purpose of the shaft part, specifically, when the hole direction of the connecting holes is arranged along the radial direction of the shaft part, the shaft part is clamped by vice jaws in the process of machining the connecting holes in the shaft part, jaw plates of the vice jaws are pressed on the outer surface of the shaft part in a tangent mode, and when the pressure of the vice jaws is overlarge, the appearance change of the shaft part is caused very easily, and the positioning precision of the connecting holes is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the clamping force of the traditional shaft part clamp can influence the positioning precision of the connecting hole on the workpiece.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a shaft end punching fixed-point clamp comprises a base, a clamping device and a pushing device, wherein the clamping device is installed on the base, the pushing device drives the clamping device to move on the base, a pushing groove and a sliding groove are formed in the base, the pushing groove is formed in two sides of the sliding groove respectively, the clamping device comprises a pushing block which is installed in the pushing groove in a sliding mode, a clamping block which is installed on the pushing block in a sliding mode, a sliding block which is installed in the sliding groove in a sliding mode, and an ear plate which is fixedly installed on the pushing block, curved surface structures are arranged on the clamping block and the sliding block, the clamping block and the sliding block can be abutted to shaft parts through the curved surface structures, the pushing device comprises a sliding rail which is installed on the pushing block and a driving screw which penetrates through the ear plate, the clamping block is slidably clamped on the sliding rail, and the driving screw is fixedly connected to the sliding block, the driving screw rod is provided with two first nuts in a matched sleeved mode, the two first nuts are arranged on two sides of the lug plate respectively, the first nuts can drive the driving screw rod to push the clamping block to move along the sliding rail until the curved surface structure of the clamping block is attached to and abutted to the side wall of the shaft part.

Further, the cell wall epirelief of sliding tray is equipped with the slip track, sliding block slidable card is established on the slip track.

Furthermore, the pushing block is provided with two pushing grooves corresponding to the pushing blocks, the pushing device further comprises two pushing plates fixedly connected with the pushing grooves and pushing rods arranged on the sliding blocks, pushing holes are formed in the pushing plates, and the pushing rods can be inserted in the pushing holes in a sliding mode.

Further, fixed point anchor clamps are still including installing punctuation device on the clamping device, the punctuation device includes that detachably installs graduated flask, slidable cover on the clamp splice are established sliding frame and fixed mounting on the graduated flask are in elasticity striking subassembly on the sliding frame, the graduated flask erects can be right behind the clamp splice top axle type part on the sliding tray measures, the sliding frame is followed the graduated flask slides the back and removes to the top of the position of punching, the sliding frame targets in place the back elasticity striking subassembly can hit the mark to axle type part.

Furthermore, the punctuation device is still including installing limit for journey pole on the clamp splice, the equal detachable installation in both ends of gage plate extremely on the limit for journey pole.

Further, the both ends of gage plate are provided with position sleeve and claw plate respectively, one of them the stroke limit pole is the screw rod, the rotatable cover of position sleeve is established extremely on the stroke limit pole, be the screw rod structure cooperation cover is equipped with the second nut on the stroke limit pole, the second nut can restrict position sleeve's position, the relative back of rotating of gage plate the claw plate can block and establish to another on the stroke limit pole.

Further, the inside wall epirelief of sliding frame is equipped with the joint arch, the joint arch corresponds the gage plate sets up.

Further, the elastic impact assembly comprises a fixed plate fixedly mounted at the end of the sliding frame, an elastic part arranged between the fixed plate and the measuring plate in an accessible mode, and a marking point cone detachably mounted on the fixed plate, the fixed plate is mounted at the end, close to the sliding block, of the sliding frame, an elastic cavity is arranged between the fixed plate and the measuring plate, the elastic part is arranged in the elastic cavity in an accessible mode, and the marking point cone is fixedly mounted on the side, away from the elastic cavity, of the fixed plate.

Furthermore, the elastic impact assembly further comprises a connecting screw rod fixedly installed on the fixing plate, the connecting screw rod corresponds to the mark point conical tube, and the mark point conical tube is matched and sleeved on the connecting screw rod.

The utility model has the advantages that the corresponding curved surface structures are additionally arranged on the clamping block and the sliding block, the height position of the curved surface structures relative to the shaft parts can be adjusted through the pushing and abutting block, the clamping block is pushed and abutted by the aid of the first nut and the driving screw rod, so that the clamping position of the clamping block is changed, the attaching position of the curved surface structures and the shaft parts is ensured, meanwhile, the curved surface structures of the sliding block can be attached to the side surfaces of the shaft parts through abutting, under the limitation of three curved surfaces, the clamping area between the clamp and the shaft parts can be enlarged, the overlarge clamping force is avoided, and the positioning accuracy of punching on the shaft parts is ensured.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of the shaft end punching and fixing clamp of the present invention;

FIG. 2 is another perspective view (with the sliding block omitted) of the shaft end punching fixed point fixture of the present invention;

FIG. 3 is a side view of the fixture shown in FIG. 1;

FIG. 4 is a cross-sectional view taken along A-A in FIG. 3;

FIG. 5 is a partial enlarged view at B in FIG. 4;

in the figure: the shaft end punching fixed point fixture 100, the base 10, the clamping device 20, the pushing device 30, the marking device 40, the pushing groove 110, the sliding groove 120, the sliding rail 121, the pushing block 210, the clamping block 220, the sliding block 230, the ear plate 240, the pushing plate 310, the pushing rod 320, the sliding rail 330, the driving screw 340, the pushing hole 311, the first nut 341, the limit rod 410, the measuring plate 420, the sliding frame 430, the elastic impact component 440, the positioning sleeve 421, the claw plate 422, the second nut 411, the clamping protrusion 431, the fixing plate 441, the elastic component 442, the connecting screw 443, the marking cone 444 and the elastic cavity 423.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

As shown in fig. 1 to 5, the present invention provides a shaft end punching and positioning fixture 100, which comprises a base 10, a clamping device 20 movably mounted on the base 10, a pushing device 30 for driving the clamping device 20 to move relative to the base 10, and a positioning device 40 mounted on the clamping device 20.

The substrate 10 is a square strip structure, the substrate 10 is used for carrying the clamping device 20, the substrate 10 is provided with a pushing groove 110, the middle position of the substrate 10 is provided with a sliding groove 120, the pushing groove 110 and the sliding groove 120 are both arranged corresponding to the clamping device 20, and a sliding track 121 is further convexly arranged on the groove wall of the sliding groove 120.

The clamping device 20 includes an abutting block 210 slidably mounted in the abutting groove 110, a clamping block 220 slidably mounted on the abutting block 210, a sliding block 230 mounted in the sliding groove 120, and an ear plate 240 fixedly mounted on the abutting block 210.

The two pushing blocks 210 are inserted into the pushing groove 110 in a clearance fit manner, the two pushing blocks 210 are respectively arranged at two sides of the sliding groove 120, each pushing block 210 is provided with a corresponding clamping block 220, the corresponding side surfaces of the two clamping blocks 220 are both in a circular curved surface structure, and after the clamping blocks 220 move along the pushing blocks 210, the clamping blocks 220 can be clamped to the side surfaces of the shaft part through the curved surfaces thereof. The sliding block 230 is slidably engaged with the sliding rail 121, the sliding block 230 is correspondingly disposed under the shaft-like component, the sliding block 230 is provided with a curved surface structure corresponding to the clamping block 220, the sliding block 230 can be pushed against the shaft-like component after sliding along the sliding groove 120, and the shaft-like component can be fixed on the substrate 10 under the clamping and fixing of the sliding block 230 and the clamping block 220. The number of the ear plates 240 is two, two ear plates 240 are respectively disposed at both sides of the sliding groove 120, two ear plates 240 are respectively disposed at both sides of the two clamping blocks 220, and the ear plates 240 are disposed parallel to the clamping blocks 220.

The pushing device 30 includes a pushing plate 310 fixedly connected to the two pushing blocks 210, a pushing rod 320 mounted on the sliding block 230, a sliding rail 330 fixedly mounted on the pushing blocks 210, and a driving screw 340 penetrating through the ear plate 240.

The pushing plate 310 is fixedly connected to the pushing blocks 210 on both sides of the sliding groove 120, the pushing plate 310 can push the two pushing blocks 210 to synchronously slide in the pushing groove 110 after being driven, the pushing plate 310 is provided with a pushing hole 311, the pushing hole 311 is formed corresponding to the sliding block 230, the pushing rod 320 slidably penetrates through the pushing hole 311, the pushing rod 320 and the pushing blocks 210 are respectively arranged on the two pushing mechanisms, in the embodiment not shown in the figure, the pushing blocks 210 and the pushing rod 320 are respectively arranged on two pushing cylinders, the pushing blocks 210 and the pushing rods 320 can be respectively pushed by the two pushing cylinders to independently move, and further the pushing blocks 210 and the sliding block 230 can be driven to synchronously move, that is, the positions of the pushing surfaces on the clamping blocks 220 and the sliding block 230 can be changed according to the shape of the shaft-like part. The sliding rail 330 is fixedly installed on the side surface of the pushing block 210 facing the shaft part, the sliding rail 330 is respectively arranged on two sides of the sliding groove 120 corresponding to the clamping block 220, the clamping block 220 is slidably clamped on the sliding rail 330, the lug plates 240 are arranged on the end portion of the sliding rail 330, the lug plates 240 are arranged in parallel to the clamping block 220, the driving screw 340 vertically penetrates through the lug plates 240, the driving screw 340 slidably penetrates through the clamping block 240, the driving screw 340 is further fixed on the clamping block 220, the driving screw 340 is further sleeved with first nuts 341 in a matched mode, at least two first nuts 342 are arranged on two sides of the lug plates 240, and after the first nuts 342 rotate on the driving screw 340, the driving screw 340 can be controlled to move relative to the lug plates 240, so that the clamping block 220 is driven to move relative to the sliding rail 330, and the process of clamping two sides of the shaft part is completed.

The pointing device 40 includes a stroke limiting rod 410 fixedly mounted on the clamping block 220, a measuring plate 420 detachably fitted over the stroke limiting rod 410, a sliding frame 430 slidably fitted over the measuring plate 420, and an elastic impact assembly 440 fixedly mounted on the sliding frame 430.

The stroke limiting rods 410 are perpendicular to the clamping blocks 220, length scales are arranged on the stroke limiting plates 420, two ends of each stroke limiting plate 420 are provided with a positioning sleeve 421 and a claw plate 422 respectively, the positioning sleeves 421 are detachably sleeved on one stroke limiting rod 410, the stroke limiting rods 410 corresponding to the positioning sleeves 421 are preferably threaded rods, the stroke limiting rods 410 are further sleeved with second nuts 411 in a matched mode, the number of the second nuts 411 is at least two, the two second nuts 411 are respectively arranged on two sides of each stroke limiting plate 420, and the positions of the stroke limiting plates 420 on the stroke limiting rods 410 can be determined under the limitation of the second nuts 411. The jaw plate 422 corresponds to the other stroke limiting rod 410, the jaw plate 422 is clamped on the stroke limiting rod 410 after rotation, and under the limit of the jaw plate 422 and the positioning sleeve 421, the distance between the two clamping blocks 220 can be obtained through the measuring plate 420, so that the position of the side wall of the shaft part, which needs to be marked with a hole, can be judged. The sliding frame 430 can slide along the measuring plate 420, the inner side wall of the sliding frame 430 is convexly provided with a clamping protrusion 431, and the position of the sliding frame 430 relative to the measuring plate 420 can be limited by the clamping protrusion 431, namely, when the sliding frame 430 is dragged along the width direction of the measuring plate 420, the sliding frame 430 can be prevented from being separated from the measuring plate 420.

The elastic striking assembly 440 includes a fixing plate 441 fixedly mounted on an end of the sliding frame 430, a removable elastic member 442 disposed between the fixing plate 441 and the measuring plate 420, a connecting screw 443 fixedly mounted on the fixing plate 441, and a punctuation cone 444 fittingly sleeved on the connecting screw 443.

The fixing plate 441 is fixedly installed on the side wall of the sliding frame 430 facing the clamping block 220, an elastic cavity 423 is disposed between the fixing plate 441 and the measuring plate 420, the elastic member 442 is preferably a spring, the elastic member 442 can be placed in the elastic cavity 423 by a manual access manner, and the position of the sliding frame 430 in the width direction of the measuring plate 420 can be ensured under the support of the elastic member 442. The connecting screw 443 is fixedly installed on the side surface of the fixing plate 441, which is far away from the elastic cavity 423, the marking point conical cylinder 444 is detachably sleeved on the connecting screw 443, and the marking point conical cylinder 444 can be fixedly installed on the fixing plate 331 through the connecting screw 443. After the fixing plate 441 is dragged to slide along with the sliding frame 430, the elastic piece 442 is compressed to generate elastic potential energy, under the action of the elastic potential energy, the marking point conical cylinder 444 can impact on the shaft part, a punching marking point is generated through impact, and a punching position on the shaft part is determined.

In the use process of the shaft end punching fixed point fixture 100, the pushing rod 320 is pushed first until the sliding block 230 is attached to the side surface of the shaft part, then the pushing plate 310 is pushed according to the diameter of the shaft part, and the pushing block 210 can slide in the pushing groove 110 under the pushing of the pushing plate 310, so that the clamping block 220, the lug plate 240 and the sliding rail 330 can be pushed to move synchronously until the curved surface on the clamping block 220 can be attached to the side wall of the shaft part. Then, the first nut 342 is rotated relative to the ear plate 240, the clamping block 220 can be pushed along the slide rail 330 under the driving of the first nut 342 until the clamping block 220 can be attached to the side wall of the shaft part, and then the first nut 342 is rotated again until the first nut 342 can lock the driving screw 340 on the ear plate 240, so as to maintain the locking state of the clamping block 220 on the shaft part. After the clamping block 220 fixes the relative position of the locking shaft part, the measuring plate 420 is installed on the clamping block 220, the sliding frame 430 is moved along the scale direction of the measuring plate 420 until the marking point conical cylinder 444 is moved above the punching position, the elastic piece 442 is stored in the elastic cavity 423, then the sliding frame 430 is dragged along the width direction of the measuring plate 420, the limitation on the sliding frame 430 is released, and under the pushing of the elastic piece 442, the marking point conical cylinder 444 impacts the shaft part to complete punching marking.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a shaft end fixed point anchor clamps that punch which characterized in that: the clamping device comprises a base, a clamping device and a pushing device, wherein the clamping device is installed on the base, the pushing device drives the clamping device to move on the base, a pushing and abutting groove and a sliding groove are formed in the base, the pushing and abutting groove is formed in two sides of the sliding groove respectively, the clamping device comprises a pushing and abutting block which is installed in the pushing and abutting groove in a sliding mode, a clamping block which is installed on the pushing and abutting block in the sliding groove in a sliding mode, a sliding block which is installed in the sliding groove in a sliding mode and an ear plate which is fixedly installed on the pushing and abutting block, curved surface structures are arranged on the clamping block and the sliding block, the clamping block and the sliding block can abut against shaft parts through the curved surface structures, the pushing device comprises a sliding rail which is installed on the pushing and abutting block and a driving screw rod which penetrates through the ear plate, the clamping block is slidably clamped on the sliding rail, and the driving screw rod is fixedly connected to the sliding block, the driving screw rod is provided with two first nuts in a matched sleeved mode, the two first nuts are arranged on two sides of the lug plate respectively, the first nuts can drive the driving screw rod to push the clamping block to move along the sliding rail until the curved surface structure of the clamping block is attached to and abutted to the side wall of the shaft part.

2. The shaft end punching and fixing clamp as claimed in claim 1, wherein: the cell wall epirelief of sliding tray is equipped with the slip track, sliding block slidable card is established on the slip track.

3. The shaft end punching and fixing clamp as claimed in claim 1, wherein: the pushing block is provided with two pushing grooves corresponding to the pushing blocks, the pushing device further comprises two pushing plates fixedly connected with the pushing grooves and pushing rods installed on the sliding blocks, pushing holes are formed in the pushing plates, and the pushing rods can be inserted in the pushing holes in a sliding mode.

4. The shaft end punching and fixing clamp as claimed in claim 1, wherein: fixed point anchor clamps are still including installing punctuation device on the clamping device, punctuation device includes that detachably installs gage plate, slidable cover on the clamp splice are established slide frame and fixed mounting on the gage plate are in elasticity striking subassembly on the slide frame, the gage plate erects can be right behind the clamp splice top axle type part on the sliding tray is measured, the slide frame is followed remove to the top of the position of punching after the gage plate slides, the slide frame targets in place the back elasticity striking subassembly can hit the mark to axle type part.

5. The shaft end punching and fixing clamp as claimed in claim 4, wherein: the punctuation device is characterized by further comprising a stroke limiting rod arranged on the clamping block, and two ends of the gauge plate are detachably arranged on the stroke limiting rod.

6. The shaft end punching and fixing clamp as claimed in claim 5, wherein: the both ends of gage plate are provided with position sleeve and claw plate respectively, one of them the stroke limit pole is the screw rod, the rotatable cover of position sleeve is established extremely on the stroke limit pole, be the screw rod structure cooperation cover is equipped with the second nut on the stroke limit pole, the second nut can restrict position sleeve's position, after the relative rotation of gage plate the claw plate can block and establish to another on the stroke limit pole.

7. The shaft end punching and fixing clamp as claimed in claim 4, wherein: the inside wall epirelief of sliding frame is equipped with the joint arch, the joint arch corresponds the gage plate sets up.

8. The shaft end punching and fixing clamp as claimed in claim 4, wherein: the elastic impact assembly comprises a fixing plate fixedly mounted at the end of the sliding frame, an elastic piece arranged between the fixing plate and the measuring plate in an accessible mode and a punctuation cone detachably mounted on the fixing plate, the fixing plate is mounted at the end, close to the sliding block, of the sliding frame, an elastic cavity is arranged between the fixing plate and the measuring plate, the elastic piece is arranged in the elastic cavity in an accessible mode, and the punctuation cone is fixedly mounted on the side face, far away from the elastic cavity, of the fixing plate.

9. The shaft end punching and fixing clamp as claimed in claim 8, wherein: the elastic impact assembly further comprises a connecting screw fixedly installed on the fixing plate, the connecting screw corresponds to the mark point conical tube, and the mark point conical tube is matched with the connecting screw in a sleeved mode.