Clamping and supporting device for opening hole in end part of fork shaft forge piece

By designing a clamping support device for the end opening of the fork shaft forging, the horizontal fixing and rotation of the fork shaft are achieved by using a hydraulic cylinder and a guide structure. This solves the problem that existing equipment cannot quickly switch the opening position, and improves the accuracy and safety of the machining process.

CN223790287UActive Publication Date: 2026-01-13CHANGZHOU SHIZHUO PRECISION FORGING CO LTD
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Patent Information

Application Number
CN202520116759.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2026-01-13
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Existing clamping equipment cannot be quickly flipped to switch the position of the fork shaft opening, and it is inconvenient to operate and poses safety hazards.

Method used

A clamping and support device for opening holes at the end of a fork shaft forging was designed, including a pushing device, a clamping device and a fork shaft. The pushing frame is moved by a hydraulic cylinder, and the horizontal fixation and rotation of the fork shaft are achieved by combining guide bars and guide grooves. The machining position can be quickly switched by using a push rod and a locking block.

Benefits of technology

This design achieves reliable fixation of the fork shaft, ensuring the accuracy of the opening position and size, and facilitating rapid switching between processing areas, thereby improving production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fork shaft production, in particular to a clamping and supporting device for fork shaft forge piece end trepanning, which comprises a pushing device, a clamping device and a fork shaft, the clamping device is clamped on the inner side of the top of the pushing device, the fork shaft is clamped in the clamping device, and the fork shaft forge piece is clamped in the clamping device. The pushing device comprises a base, a clamping shaft, a spring, a guide pipe, an ejector rod and a locking block, the clamping shaft is fixedly arranged on the inner side of the base, the spring is arranged on the outer side of the clamping shaft in a sleeving mode, after the clamping and supporting device for the fork shaft forge piece end tapping is used for effectively fixing a fork shaft, the fixed fork shaft is ejected to the bottom of a machining area through the ejector rod, and then the fork shaft forge piece end tapping is completed. And after machining of the mounting hole in one side is completed, the pushing frame retreats, the handle is rotated, the machining area can be changed, and therefore rapid switching is achieved, the fork shaft is reliably fixed, the machining position and size of the mounting hole are guaranteed, and rapid switching work of the machining area is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fork shaft production technical field especially relates to a kind of clamping support device for fork shaft forging end opening. BACKGROUND

[0002] Fork transmission shaft refers to a kind of device for connecting two mutually perpendicular shafts, realizing power transmission. It is usually composed of universal joint and transmission shaft, and can realize power transmission when two shafts are not in the same plane or different axes, so as to solve the transmission problem between vertical shafts.

[0003] In order to facilitate the connection work of transmission shaft, pin hole is generally provided in the end of fork shaft. In order to facilitate the machining work of pin hole, the fork shaft needs to be effectively fixed and positioned to facilitate the opening work. The existing clamping equipment cannot quickly turn over to realize the opening position switching of fork shaft, and the clamping equipment is arranged at the bottom of the machining area, which is inconvenient to operate and has certain safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of clamping support device for fork shaft forging end opening in view of the defects in the prior art.

[0005] The utility model is realized by the following technical schemes:

[0006] A kind of clamping support device for fork shaft forging end opening, including pusher, clamping equipment and fork shaft, the clamping equipment is set in the top inner side of the pusher, the fork shaft is set in clamping equipment, the pusher includes base, axle, spring, guide pipe, top rod and locking block, the axle is fixedly arranged in the inner side of the base, the spring is sleeved on the outer side of axle, the guide pipe is fixedly arranged on the outer side of base, the top rod is set in guide pipe, and the locking block is fixedly arranged on the surface of top rod.

[0007] In a preferred embodiment of the utility model, the clamping equipment includes feeding seat, support seat, clamping seat, insertion pipe, handle, push frame, clamping block and oil cylinder, the support seat and the clamping seat are fixedly arranged on the upper surface of the feeding seat, the insertion pipe is movably connected with the support seat, the handle is fixedly arranged on one end of the insertion pipe, the push frame is set in the inner side of clamping seat, the clamping block is fixedly arranged on the inner side top of push frame, and the oil cylinder is connected with the outer side of clamping seat.

[0008] The clamping equipment is mainly used for effectively fixing the fork shaft, and ensuring that the fork shaft is horizontally arranged, so as to ensure the opening position and opening size. The ring can control the rotation of the fork shaft, and the clamping block is limited and fixed.

[0009] In the preferable embodiment of the utility model, the oil cylinder telescopic end is fixed with the push frame back, the push frame bottom two ends are provided with guide strips, the clamping seat inside is provided with the guide groove matched with it;

[0010] The oil cylinder controls the push frame to move forward and backward, thereby controlling the clamping state of the clamping block to the fork shaft, and the guide strips at the push frame bottom two ends effectively play the guiding and limiting effect.

[0011] In the preferable embodiment of the utility model, the feeding seat is clamped outside the clamping shaft, and the feeding seat bottom is provided with a guide hole matched with the clamping shaft;

[0012] The feeding seat is pushed to one end of the base one side inside, so that the fork shaft is arranged at the bottom of the processing equipment, and the feeding seat is moved to one end of the guide pipe, facilitating the clamping work of the fork shaft.

[0013] In the preferable embodiment of the utility model, one end of the ejector rod penetrates and extends to the base one side inside, the ejector rod end is in contact with the feeding seat outside, and the guide pipe middle part is provided with a clamping hole matched with the ejector rod and the locking block;

[0014] In the preferable embodiment of the utility model, the clamping block is clamped inside one end of the fork shaft, the other end of the fork shaft is clamped inside one end of the insertion pipe, the insertion pipe surface is fixed with a limiting piece, and the limiting piece inside is attached to the supporting seat;

[0015] The ejector rod is used to control the position of the feeding seat, and the limiting piece plays a limiting support effect when clamping and fixing the fork shaft.

[0016] The utility model discloses the beneficial effect is:

[0017] After the clamping and supporting device for the fork shaft forging end opening is effectively fixed to the fork shaft, the fixed fork shaft is pushed to the bottom of the processing area through the ejector rod, the installation hole processing work is carried out, after the unilateral installation hole processing is completed, the push frame is withdrawn, and the rotating handle can change the processing area, thereby realizing quick switching, the device is reliable in fork shaft fixation, guarantees installation hole processing position and size, and facilitates the quick switching work of the processing area. ACCURACY OF DRAWINGS

[0018] Fig. 1 It is the three-dimensional structure schematic view of the clamping and supporting device for the fork shaft forging end opening of the utility model;

[0019] Fig. 2 It is the push device structure schematic view of the clamping and supporting device for the fork shaft forging end opening of the utility model;

[0020] Fig. 3 It is the clamping equipment structure schematic view of the clamping and supporting device for the fork shaft forging end opening of the utility model.

[0021] In the diagram: 1. Pushing device; 11. Base; 12. Clamping shaft; 13. Spring; 14. Guide tube; 15. Push rod; 16. Locking block; 2. Clamping equipment; 21. Feeding seat; 22. Support seat; 23. Clamping seat; 24. Insertion tube; 25. Handle; 26. Pushing frame; 27. Clamping block; 28. Hydraulic cylinder; 3. Fork shaft. Detailed Implementation

[0022] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.

[0023] like Figs. 1-3 The fork shaft forging end opening clamping support device shown includes a pushing device 1, a clamping device 2 and a fork shaft 3. The clamping device 2 is clamped on the inner side of the top of the pushing device 1, and the fork shaft 3 is clamped in the clamping device 2. The pushing device 1 includes a base 11, a clamping shaft 12, a spring 13, a guide tube 14, a push rod 15 and a locking block 16. The clamping shaft 12 is fixedly installed on the inner side of the base 11, the spring 13 is sleeved on the outer side of the clamping shaft 12, the guide tube 14 is fixedly installed on the outer side of the base 11, the push rod 15 is clamped in the guide tube 14, and the locking block 16 is fixedly installed on the surface of the push rod 15.

[0024] Specifically, the clamping device 2 includes a feeding seat 21, a support seat 22, a clamping seat 23, an insert tube 24, a handle 25, a pusher frame 26, a locking block 27, and a hydraulic cylinder 28. The support seat 22 and the clamping seat 23 are fixedly mounted on the upper surface of the feeding seat 21. The insert tube 24 is movably connected to the support seat 22. The handle 25 is fixedly mounted on one end of the insert tube 24. The pusher frame 26 is clamped inside the clamping seat 23. The locking block 27 is fixedly mounted on the top of the inner side of the pusher frame 26. The hydraulic cylinder 28 is connected to the outer side of the clamping seat 23. The telescopic end of the hydraulic cylinder 28 is fixed to the back of the pusher frame 26. The bottom ends of the pusher frame 26 are fixed to the back of the pusher frame 26. A guide bar is provided, and a guide groove is opened on the inner side of the clamping seat 23 to cooperate with it. The feeding seat 21 is clamped on the outside of the clamping shaft 12. The bottom of the feeding seat 21 has a guide hole that cooperates with the clamping shaft 12. One end of the push rod 15 passes through and extends into the inside of one side of the base 11. The end of the push rod 15 contacts the outside of the feeding seat 21. The middle part of the guide tube 14 has a locking hole that cooperates with the push rod 15 and the locking block 16. The locking block 27 is clamped in the inside of one end of the fork shaft 3. The other end of the fork shaft 3 is clamped in the inside of one end of the insertion tube 24. A limit piece is fixed on the surface of the insertion tube 24. The inner side of the limit piece is in contact with the support seat 22.

[0025] In the embodiment, first, the fork shaft 3 one end is clamped into the cannula 24, and the oil cylinder 28 is controlled to extend, so that the push frame 26 moves forward, the clamping block 27 on the inner side top of the push frame 26 is clamped into the clamping groove on one end of the fork shaft 3, because the thickness of the clamping block 27 is consistent with the height of the clamping groove on the end of the fork shaft 3, the upper and lower surfaces of the clamping block 27 are respectively attached to the top and bottom of the clamping groove of the fork shaft 3, so that the fork shaft 3 is horizontally fixed, and the clamping block 27 and the cannula 24 effectively clamp and fix the fork shaft 3.

[0026] Further, after the ejector rod 15 is inserted into the guide pipe 14, the ejector rod 15 is pushed forward until the end of the ejector rod 15 pushes the feeding seat 21, so that the feeding seat 21 moves forward to the inside of one side of the base 11 under the guidance of the clamping shaft 12, the spring 13 is compressed and shrunk, the placing box for accommodating the spring 13 is arranged at the end of the base 11, then the ejector rod 15 is rotated until the surface locking block 16 of the ejector rod 15 is dislocated with the clamping hole in the guide pipe 14, so that the feeding seat 21 is effectively fixed, after the single-sided mounting hole is processed, the ejector rod 15 is rotated until the locking block 16 cooperates with the clamping hole in the guide pipe 14, so that the feeding seat 21 moves backward under the action of the spring 13, after the oil cylinder 28 is retracted, the handle 25 can rotate the fork shaft 3 in the cannula 24, so that the processing surface is quickly switched, thereby facilitating continuous production work.

[0027] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as cylinders, oil cylinders, electric cylinders and motors cooperating with connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0028] In the description of the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting", "provided with" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. A clamping and supporting device for end opening of a fork shaft forging, comprising a pushing device (1), a clamping device (2) and a fork shaft (3), characterized in that: The clamping device (2) is clamped in the top inner side of the pushing device (1), and the fork shaft (3) is clamped in the clamping device (2); The pushing device (1) comprises a base (11), a clamping shaft (12), a spring (13), a guide pipe (14), a top rod (15) and a locking block (16), the clamping shaft (12) is fixedly arranged on the inner side of the base (11), the spring (13) is sleeved on the outer side of the clamping shaft (12), the guide pipe (14) is fixedly arranged on the outer side of the base (11), the top rod (15) is clamped in the guide pipe (14), and the locking block (16) is fixedly arranged on the surface of the top rod (15).

2. The fork shaft forging end hole clamping support device according to claim 1, characterized by: The clamping device (2) comprises a feeding seat (21), a supporting seat (22), a clamping seat (23), a pipe (24), a handle (25), a pushing frame (26), a clamping block (27) and an oil cylinder (28), the supporting seat (22) and the clamping seat (23) are fixedly arranged on the upper surface of the feeding seat (21), the pipe (24) is movably connected with the supporting seat (22), the handle (25) is fixedly arranged on one end of the pipe (24), the pushing frame (26) is clamped on the inner side of the clamping seat (23), the clamping block (27) is fixedly arranged on the top inner side of the pushing frame (26), and the oil cylinder (28) is connected with the outer side of the clamping seat (23).

3. The fork shaft forging end hole clamping support device according to claim 2, characterized by: The telescopic end of the oil cylinder (28) is fixed with the back of the pushing frame (26), the bottom of the pushing frame (26) is provided with guide strips, and the inner side of the clamping seat (23) is provided with guide grooves matched with the guide strips.

4. The fork shaft forging end hole clamping support device according to claim 2, characterized by: The feeding seat (21) is clamped on the outer side of the clamping shaft (12), and the bottom of the feeding seat (21) is provided with a guide hole matched with the clamping shaft (12).

5. The fork shaft forging end hole clamping support device according to claim 2, characterized by: One end of the top rod (15) penetrates and extends to the inner side of one side of the base (11), the end of the top rod (15) is in contact with the outer side of the feeding seat (21), and the middle of the guide pipe (14) is provided with a clamping hole matched with the top rod (15) and the locking block (16).

6. The fork shaft forging end hole clamping support device according to claim 2, characterized by: The clamping block (27) is clamped in one end of the fork shaft (3), the other end of the fork shaft (3) is clamped in one end of the pipe (24), the surface of the pipe (24) is fixedly provided with a limiting piece, and the inner side of the limiting piece is in contact with the supporting seat (22).