Coaxiality machining device for rivet bushing hole of automobile shifting fork

By setting a card slot in the automobile fork extraction processing device for vertical positioning, and using a telescopic motor and limiting plate to improve the stability of the workpiece, combined with two sets of synchronous drilling machines for one clamping processing, the problems of coaxiality error and low processing efficiency of the fork extraction and rivet sleeve holes in the prior art are solved, and high coaxiality and high efficiency processing effects are achieved.

CN222791266UActive Publication Date: 2025-04-25WUHAN YONGJIE MOULD CO LTD
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Patent Information

Application Number
CN202421612741.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-25
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing automotive fork pulling and rivet hole processing devices have coaxial errors during positioning and processing, resulting in high unqualification rate and low processing efficiency.

Method used

A coaxial processing device for automotive fork pulling and rivet bushing hole is designed, vertically positioned by setting up a slot, using a telescopic motor and a limiting plate to improve the stability of the workpiece, and is clamped by two sets of synchronous drilling machines at one time.

Benefits of technology

The high coaxiality of the rivet sleeve holes at both ends of the fork is achieved, reducing the unqualification rate and improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile shifting fork machining, and particularly relates to an automobile shifting fork riveting lining hole coaxiality machining device which comprises a base, a workbench component, a longitudinal limiting component, a clamping component, a positioning component, a clamping component, a clamping component, a clamping component, a clamping component and a clamping component. The clamping component is arranged on the top of the base and used for fixing the position of a workpiece needing to be machined. The longitudinal limiting component is connected to the base and arranged above the workbench component correspondingly. The drilling components are connected with the base, the two drilling components are symmetrically connected to the top of the base and synchronously conduct drilling operation on the two ends of the shifting fork, the two ends of the shifting fork are positioned in the vertical direction through formed clamping grooves, it is guaranteed that the shifting fork is arranged on the rack in parallel, and then the telescopic motor drives the height position of a limiting plate to be changed; the top face of the workpiece needing to be machined is pressed through the limiting plate, the stability of the workpiece during drilling is improved, the two drilling machines conduct drilling operation on the two ends of the shifting fork synchronously, one-time clamping is conducted in the whole process, the coaxiality is high, and the machining efficiency is improved while the qualified rate is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of shift fork processing, in particular to a coaxiality processing device for a riveted bushing hole of a shift fork of an automobile. Background Art

[0002] The shift fork is a component on the automobile gearbox, connected to the shift handle and located at the lower end of the handle. The middle shift wheel is turned to change the input / output speed ratio. The shift fork is mainly used for clutch shifting, so the manufacturing accuracy and process requirements of the shift fork are relatively high. The two ends of the shift fork need to be riveted with bushings to connect with other components, so the coaxiality requirements of the two bushing connecting holes are very high. The existing processing devices are mostly positioned at one end, resulting in errors in the coaxiality of the two riveted holes, resulting in a high unqualified rate. For this reason, it is urgent to provide a coaxiality processing device for the riveted bushing holes of an automobile shift fork. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] Therefore, the purpose of the utility model is to provide a coaxiality processing device for the rivet bushing hole of an automobile fork, which can position the two ends of the fork in the vertical direction through the arranged card slot to ensure that the fork is placed parallel to the stand, and then the height position of the limit plate is changed by the telescopic motor, and the top surface of the workpiece to be processed is pressed by the limit plate to improve the stability of the workpiece during drilling, and two groups of drilling machines synchronously perform drilling operations on both ends of the fork, and the whole process is clamped once, with high coaxiality, which can ensure the qualified rate and improve the processing efficiency.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A coaxiality processing device for a rivet bushing hole of an automobile pull-fork, comprising:

[0007] As a base to which the base is attached;

[0008] The workbench component is placed on the top of the base to fix the position of the workpiece to be processed;

[0009] The longitudinal limiting component is connected to the base and is arranged above the corresponding workbench component to press the top surface of the workpiece to be processed;

[0010] The drilling component is connected to the base. There are two groups of drilling components. The two groups of drilling components are symmetrically connected to the top of the base to perform drilling operations on both ends of the fork simultaneously.

[0011] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pull fork described in the utility model, the workbench component includes a frame connected to the central position of the base, and two groups of support seats are symmetrically connected to the top of the frame, and the support seats are provided with slots for fixing the workpiece to be processed.

[0012] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pulley fork described in the utility model, wherein: the longitudinal limiting component includes a bracket connected to the base, a telescopic motor is installed on the outside of the bracket, the output end of the telescopic motor is connected to the limiting plate, and the limiting plate is arranged above the corresponding support seat.

[0013] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pull fork described in the utility model, wherein: two groups of guide rods are symmetrically connected to the top of the base, and the limit plates are slidably matched with the guide rods.

[0014] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pull fork described in the utility model, the drilling component includes a hydraulic telescopic rod installed on the top of the base, the movable end of the hydraulic telescopic rod is connected to the connecting plate, and drives the connecting plate to translate along the top of the base, and a drilling machine is installed on the top of the connecting plate.

[0015] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pull fork described in the utility model, two sets of guide grooves are symmetrically opened on the top of the base, and the bottom of the connecting plate is integrally formed with a guide seat that slides with the guide groove.

[0016] As a preferred solution of the coaxiality processing device for the rivet bushing hole of an automobile pull fork described in the utility model, a cooling component is provided on the outside of the bracket, the cooling component includes a water tank connected to the outside of the bracket, a water pump is installed on the water tank, and two groups of goosenecks are connected to the water outlet port of the water pump, and a nozzle is connected to the end of the gooseneck pipe, and the nozzle is arranged one by one with the drilling machine.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. Use the provided slots to position the two ends of the fork in the vertical direction to ensure that the fork is placed parallel to the stand, and then use the telescopic motor to drive the limit plate to change its height position. Use the limit plate to press the top surface of the workpiece to be processed to improve the stability of the workpiece during drilling;

[0019] 2. Two sets of drilling machines drill holes on both ends of the fork synchronously. The whole process is clamped once, with high coaxiality, which ensures the qualified rate and improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 Schematic diagram of some structures;

[0023] Figure 3 For this utility model Figure 1 Rear view structural diagram.

[0024] In the figure: 100 base, 110 guide groove, 200 workbench component, 210 stand, 220 support seat, 221 slot, 300 longitudinal limit component, 310 bracket, 320 telescopic motor, 321 limit plate, 322 guide rod, 400 drilling component, 410 hydraulic telescopic rod, 420 connecting plate, 421 guide seat, 430 drilling machine, 500 cooling component, 510 water tank, 520 water pump, 521 gooseneck, 522 nozzle. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] The utility model provides a coaxiality processing device for the rivet bushing hole of an automobile fork, please refer to Figure 1-3 , including a base 100, a workbench component 200, a longitudinal limiting component 300 and a drilling component 400;

[0030] Please continue reading Figure 1-3 , as a base 100 for connecting the base;

[0031] Please continue reading Figure 1-2 , the workbench component 200 is placed on the top of the base 100 to fix the position of the workpiece to be processed;

[0032] The workbench component 200 includes a stand 210 threadedly connected to the central position of the base 100, and two groups of support seats 220 are symmetrically threaded on the top of the stand 210. The support seats 220 are provided with slots 221 for fixing the workpiece to be processed. The two groups of slots 221 are respectively arranged corresponding to the two sides of the fork. The two ends of the fork are positioned in the vertical direction through the arranged slots 221 to ensure that the fork is placed parallel to the stand 210;

[0033] Please continue reading Figure 1 , the longitudinal limiting component 300 is connected to the base 100 and is arranged above the corresponding workbench component 200 to press the top surface of the workpiece to be processed;

[0034] The longitudinal limiting component 300 includes a bracket 310 welded to the rear side of the base 100, a telescopic motor 320 is screwed to the outer side of the bracket 310, the output end of the telescopic motor 320 is connected to a limiting plate 321, the limiting plate 321 is arranged above the corresponding support seat 220, and two groups of guide rods 322 are symmetrically connected to the top of the base 100. The limiting plates 321 and the guide rods 322 are slidably matched. The telescopic motor 320 drives the height position of the limiting plate 321 to change when it works, and the top surface of the workpiece to be processed is pressed by the limiting plate 321;

[0035] Please continue reading Figure 1-3 The drilling component 400 is connected to the base 100. There are two groups of drilling components 400. The two groups of drilling components 400 are symmetrically connected to the top of the base 100 to perform drilling operations on both ends of the fork simultaneously.

[0036] The drilling component 400 includes a hydraulic telescopic rod 410 threadedly connected to the top of the base 100, the movable end of the hydraulic telescopic rod 410 is connected to a connecting plate 420, and drives the connecting plate 420 to translate along the top of the base 100, and the top of the connecting plate 420 is screwed to a drilling machine 430;

[0037] Furthermore, two sets of guide grooves 110 are symmetrically provided on the top of the base 100, and a guide seat 421 that is slidably matched with the guide grooves 110 is integrally formed and connected to the bottom of the connecting plate 420;

[0038] The hydraulic telescopic rod 410 works, driving the connecting plate 420 to move horizontally along the top of the base 100, thereby driving the drilling machine 430 to change its position. The two sets of drilling machines 430 are used to drill holes on both ends of the fork synchronously. The whole process is clamped once, with high coaxiality, which ensures the qualified rate and improves the processing efficiency.

[0039] Please continue reading Figure 1 and Figure 3 A cooling component 500 is provided on the outside of the bracket 310. The cooling component 500 includes a water tank 510 threadedly connected to the outside of the bracket 310. A water pump 520 is screwed on the water tank 510. Two groups of gooseneck pipes 521 are connected to the water outlet port of the water pump 520. A nozzle 522 is connected to the end of the gooseneck pipe 521. The nozzle 522 is arranged in a one-to-one correspondence with the drilling machine 430. When the water pump 520 works, water is supplied to the nozzle 522 through the gooseneck pipe 521 to be sprayed out, so as to cool the drill bit of the drilling machine 430 and the surface of the workpiece.

[0040] Working principle: When the utility model is in use, the two ends of the fork are positioned in the vertical direction through the provided card slot 221 to ensure that the fork is placed parallel to the stand 210, and the telescopic motor 320 drives the height position of the limit plate 321 to change, and the top surface of the workpiece to be processed is pressed by the limit plate 321, and the two ends of the fork are drilled synchronously by two sets of drilling machines 430. The whole process is clamped once, with high coaxiality, which ensures the qualified rate while improving the processing efficiency.

[0041] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A coaxiality processing device for automobile pull-fork rivet bushing hole, characterized in that: include: A base (100) as a connection base; A workbench component (200) is placed on the top of the base (100) to fix the position of the workpiece to be processed; A longitudinal limiting component (300) is connected to the base (100) and is arranged above the corresponding workbench component (200) to press the top surface of the workpiece to be processed; The drilling components (400) are connected to the base (100). Two groups of drilling components (400) are provided. The two groups of drilling components (400) are symmetrically connected to the top of the base (100) to perform drilling operations on both ends of the pulling fork synchronously.

2. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 1 is characterized in that: The workbench component (200) comprises a stand (210) connected to the central position of the base (100), two groups of support seats (220) are symmetrically connected to the top of the stand (210), and the support seats (220) are provided with a clamping groove (221) for fixing the workpiece to be processed.

3. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 2 is characterized in that: The longitudinal limiting component (300) comprises a bracket (310) connected to the base (100), a telescopic motor (320) is installed outside the bracket (310), an output end of the telescopic motor (320) is connected to a limiting plate (321), and the limiting plate (321) is arranged above the corresponding support seat (220).

4. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 3 is characterized in that: Two groups of guide rods (322) are symmetrically connected to the top of the base (100), and the limiting plates (321) are slidably matched with the guide rods (322).

5. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 4 is characterized in that: The drilling component (400) comprises a hydraulic telescopic rod (410) installed on the top of the base (100); the movable end of the hydraulic telescopic rod (410) is connected to a connecting plate (420) and drives the connecting plate (420) to translate along the top of the base (100); and a drilling machine (430) is installed on the top of the connecting plate (420).

6. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 5 is characterized in that: The top of the base (100) is symmetrically provided with two groups of guide grooves (110), and the bottom of the connecting plate (420) is integrally formed with a guide seat (421) that is slidably matched with the guide grooves (110).

7. The coaxiality processing device for automobile pull-fork rivet bushing hole according to claim 6 is characterized in that: A cooling component (500) is provided on the outside of the bracket (310), and the cooling component (500) comprises a water tank (510) connected to the outside of the bracket (310). A water pump (520) is installed on the water tank (510). The water outlet port of the water pump (520) is connected to two groups of gooseneck pipes (521). The ends of the gooseneck pipes (521) are connected to nozzles (522). The nozzles (522) are arranged in a one-to-one correspondence with the drilling machines (430).