Limiting structure for welding of automobile shifting fork

Abstract

The utility model belongs to the technical field of shifting fork welding and fixing, and particularly relates to a limiting structure for welding an automobile shifting fork, which comprises a bottom plate, a supporting pedestal is connected onto the bottom plate, a positioning column is integrally connected to the top of the supporting pedestal, and two groups of limiting components are symmetrically connected onto the bottom plate and are oppositely arranged on the supporting pedestal for limiting and fixing the shifting fork on the supporting pedestal. The limiting component comprises a telescopic air cylinder connected to the top of the bottom plate, a hinged support is hinged to the top of the telescopic end of the telescopic air cylinder, a connecting rod is hinged to the hinged support, a transverse rod is hinged to the support, and the other end of the connecting rod is hinged to the center of the transverse rod through a hinged base. The telescopic air cylinder drives the hinged support to move up and down, so that the connecting rod hinged to the hinged support moves, the transverse rod conducts arc-shaped movement with the support as the axis point under the action of the connecting rod, the height position of the pressing seat is changed, and the shifting fork arranged on the supporting pedestal is pressed and fixed through the pressing seat.

Description

Technical Field

[0001] The utility model relates to the technical field of shift fork welding and fixing, in particular to a limiting structure for welding a shift fork of an automobile. Background Art

[0002] The shift fork is a component of the automobile gearbox, connected to the shift handle, located at the lower end of the handle, and is used to shift the middle shift wheel 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;

[0003] When processing the fork welding process, a welding fixture is needed to position and clamp the fork to be welded. The original fixture uses the fork for positioning and the guide sleeve positioning shaft to move the position. Due to the poor positioning accuracy of the stamped fork, the welds are inconsistent after the guide sleeve is veneered, resulting in inaccurate focus and weld offset, which seriously affects the welding quality of the fork. For this reason, a limiting structure for welding an automotive fork is provided. Utility Model Content

[0004] 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.

[0005] Therefore, the purpose of the utility model is to provide a limit structure for welding automobile forks, the telescopic cylinder drives the hinge seat to move up and down, so that the connecting rod hinged to the hinge seat moves, the cross bar acts on the connecting rod to make an arc movement along the bracket as the axis point, and the height position of the pressure seat is changed, and the fork placed on the support seat is pressed and fixed by the pressure seat;

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A limiting structure for welding of an automobile fork, comprising:

[0008] A bottom plate as a connection base, a support pedestal is connected to the bottom plate, and a positioning column is integrally formed on the top of the support pedestal;

[0009] There are two groups of limiting components, which are symmetrically connected to the base plate and fixed to the forks on the supporting pedestal to facilitate subsequent welding operations.

[0010] As a preferred solution of a limiting structure for welding an automobile fork described in the utility model, the limiting component includes a telescopic cylinder connected to the top of the base plate, a hinge seat is hinged on the top of the telescopic end of the telescopic cylinder, a connecting rod is hinged on the hinge seat, a connecting frame is arranged on the outside of the telescopic cylinder, a bracket is integrally connected to the top of the connecting frame, a cross bar is hinged on the bracket, the other end of the connecting rod is hinged to the center position of the cross bar through the hinge seat, and a pressure seat is integrally connected to the outside of the cross bar.

[0011] As a preferred solution of the limiting structure for welding automobile forks described in the utility model, the two groups of pressure seats are arranged above the corresponding support pedestals, and the pressure seats are provided with criss-cross anti-slip grooves.

[0012] As a preferred solution of the limiting structure for welding automobile forks described in the utility model, a groove is provided on the top of the bottom plate corresponding to the position of the support seat, and an embedding seat is integrally formed at the bottom of the support seat and is engaged with the groove.

[0013] As a preferred solution of the limiting structure for welding automobile forks described in the utility model, two groups of slide grooves are symmetrically opened on the top of the bottom plate, and the two groups of slide grooves are respectively arranged in one-to-one correspondence with the telescopic cylinders.

[0014] As a preferred solution of the limiting structure for welding automobile forks described in the utility model, wherein: an adjusting component is connected to the bottom plate, and two groups of adjusting components are provided. The two groups of adjusting components are symmetrically connected to the outer side of the bottom plate and are respectively arranged in one-to-one correspondence with the limiting components.

[0015] As a preferred solution of a limiting structure for welding an automobile fork described in the utility model, the adjusting component includes a servo motor installed on the outside of the base plate, and a connecting seat connected to the bottom of the telescopic cylinder and slidingly matched with the slide groove, the output end of the servo motor is connected to a threaded screw, the threaded screw extends into the slide groove, and a threaded hole is opened on the connecting seat to threadably match the threaded screw.

[0016] As a preferred solution of the limiting structure for automobile fork welding described in the utility model, a cleaning component is provided on the base plate, and the cleaning component includes a dust collector installed on the top of the base plate, and the dust collecting port of the dust collector is connected to a dust collecting pipe, and the dust collecting pipe port is arranged corresponding to the support base.

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

[0018] 1. The telescopic cylinder drives the hinge seat to move up and down, so that the connecting rod hinged to the hinge seat moves. The cross bar acts on the connecting rod to make an arc motion along the bracket as the axis point, changing the height position of the pressure seat, and the pressure seat is pressed and fixed by the fork placed on the support seat;

[0019] 2. The servo motor works to make the connecting seat translate along the slide slot, thereby adjusting the distance between the two sets of telescopic cylinders to adapt to different position limit fixations and can be applicable to the fork limit of different gears. 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 This is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 3 It is a partial structural schematic diagram of the limiting component of the utility model.

[0024] In the figure: 100 bottom plate, 110 embedding groove, 120 supporting base, 121 embedding seat, 122 positioning column, 130 slide groove, 200 limiting component, 210 telescopic cylinder, 211 hinge seat, 212 connecting rod, 220 connecting frame, 221 bracket, 230 cross bar, 231 pressure seat, 300 adjusting component, 310 servo motor, 311 threaded screw, 320 connecting seat, 321 threaded hole, 400 cleaning component, 410 dust collector, 420 dust collecting pipe. 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 limit structure for welding automobile forks. Figure 1-3 , including a base plate 100, a limiting component 200 and an adjusting component 300;

[0030] Please continue reading Figure 1 and Figure 3 , as a bottom plate 100 connected to the base, the bottom plate 100 is connected to a support seat 120, and the top of the support seat 120 is integrally formed and connected with a positioning column 122, and the positioning column 122 is used to pre-limit and fix the shift fork;

[0031] Please continue reading Figure 1-3 There are two groups of limit components 200, which are symmetrically connected to the bottom plate 100 and fixed to the fork on the support base 120 to facilitate subsequent welding operations;

[0032] The limiting component 200 includes a telescopic cylinder 210 connected to the bottom plate 100, a hinge seat 211 is hinged on the top of the telescopic end of the telescopic cylinder 210, a connecting rod 212 is hinged on the hinge seat 211, a connecting frame 220 is arranged on the outside of the telescopic cylinder 210, a bracket 221 is integrally connected to the top of the connecting frame 220, a cross bar 230 is hinged on the bracket 221, the other end of the connecting rod 212 is hinged to the central position of the cross bar 230 through the hinge seat, a pressure seat 231 is integrally connected to the outside of the cross bar 230, two groups of pressure seats 231 are arranged corresponding to the top of the support pedestal 120, and criss-cross anti-slip grooves (not marked in the figure) are opened on the pressure seat 231;

[0033] Limit action:

[0034] The telescopic cylinder 210 works, driving the hinge seat 211 to move up and down, so that the connecting rod 212 hinged to the hinge seat 211 moves, and the cross bar 230 acts on the connecting rod 212 to make an arc movement along the bracket 221 as the axis point, changing the height position of the pressure seat 231, and the pressure seat 231 is pressed and fixed against the fork placed on the support seat 120;

[0035] Please continue reading Figure 2-3The bottom plate 100 is connected with an adjusting component 300, and the adjusting component 300 is provided with two groups. The two groups of adjusting components 300 are symmetrically connected to the outside of the bottom plate 100, and are respectively arranged one by one with the limiting components 200. The adjusting component 300 includes a servo motor 310 threadedly connected to the outside of the bottom plate 100, and a connecting seat 320 threadedly connected to the bottom of the telescopic cylinder 210 and slidingly matched with the slide groove 130. The output end of the servo motor 310 is connected to a threaded screw rod 311, and the threaded screw rod 311 extends into the slide groove 130. The connecting seat 320 is provided with a threaded hole 321 threadedly matched with the threaded screw rod 311;

[0036] Adjustment action:

[0037] The servo motor 310 works to drive the threaded screw 311 to rotate, so that the connecting seat 320 performs a thread feeding action and translates along the slide groove 130, thereby adjusting the distance between the two sets of telescopic cylinders 210 to adapt to different position limit fixation, and can be applicable to the fork limit of different gears;

[0038] Please continue reading Figure 1 A cleaning component 400 is provided on the bottom plate 100, and the cleaning component 400 includes a dust collector 410 threadedly connected to the top of the bottom plate 100, and a dust collecting pipe 420 is connected to the dust collecting port of the dust collector 410, and a port of the dust collecting pipe 420 is provided corresponding to the support base 120. When the dust collector 410 works, the fume generated during the welding process is adsorbed by the dust collector 420 to improve the cleanliness of the environment;

[0039] Furthermore, a embedding groove 110 is provided at the top of the bottom plate 100 corresponding to the position of the support base 120, and an embedding seat 121 that is snap-fitted with the embedding groove 110 is integrally formed at the bottom of the support base 120, and the embedding seat 121 is snap-fitted with the embedding groove 110, which facilitates the disassembly and assembly of the support base 120, so that the support base 120 can be replaced later to adapt to the fixation of the forks of different sizes, and two groups of slide grooves 130 are symmetrically provided at the top of the bottom plate 100, and the two groups of slide grooves 130 are respectively arranged in one-to-one correspondence with the telescopic cylinders 210;

[0040] Working principle: When the utility model is in use, the telescopic cylinder 210 works, driving the hinge seat 211 to move up and down, so that the connecting rod 212 hinged to the hinge seat 211 moves, and the cross bar 230 acts on the connecting rod 212 to make an arc motion along the bracket 221 as the axis point, changing the height position of the pressure seat 231, and the pressure seat 231 is pressed and fixed against the fork on the support base 120, and the servo motor 310 works, driving the threaded screw 311 to rotate, so that the connecting seat 320 performs a thread feeding action and translates along the slide groove 130, thereby adjusting the distance between the two sets of telescopic cylinders 210 to adapt to different position limit fixation, and can be suitable for the fork limit of different gears.

[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 limiting structure for welding of automobile forks, characterized in that: include: A bottom plate (100) is used as a connection base, a support base (120) is connected to the bottom plate (100), and a positioning column (122) is integrally formed and connected to the top of the support base (120); The limiting components (200) are provided in two groups, and the two groups of limiting components (200) are symmetrically connected to the bottom plate (100) and are fixed to the shifting fork on the supporting pedestal (120) to facilitate subsequent welding operations.

2. A limiting structure for automobile fork welding according to claim 1, characterized in that: The limiting component (200) comprises a telescopic cylinder (210) connected to the top of the bottom plate (100); a hinge seat (211) is hingedly connected to the top of the telescopic end of the telescopic cylinder (210); a connecting rod (212) is hingedly connected to the hinge seat (211); a connecting frame (220) is arranged outside the telescopic cylinder (210); a bracket (221) is integrally connected to the top of the connecting frame (220); a cross bar (230) is hingedly connected to the bracket (221); the other end of the connecting rod (212) is hingedly connected to the center of the cross bar (230) through a hinge seat; and a pressure seat (231) is integrally connected to the outside of the cross bar (230).

3. A limiting structure for welding of automobile forks according to claim 2, characterized in that: The two groups of pressure seats (231) are arranged above the corresponding support platform (120), and the pressure seats (231) are provided with crisscross anti-slip grooves.

4. A limiting structure for welding of automobile forks according to claim 3, characterized in that: The top of the bottom plate (100) is provided with an embedding groove (110) at a position corresponding to the support base (120), and the bottom of the support base (120) is integrally formed with an embedding seat (121) that is snap-fitted with the embedding groove (110).

5. The limiting structure for welding of automobile forks according to claim 4 is characterized in that: The top of the bottom plate (100) is symmetrically provided with two groups of slide grooves (130), and the two groups of slide grooves (130) are respectively arranged in one-to-one correspondence with the telescopic cylinders (210).

6. The limiting structure for welding of automobile forks according to claim 5 is characterized in that: The bottom plate (100) is connected to an adjusting component (300), and two groups of adjusting components (300) are provided. The two groups of adjusting components (300) are symmetrically connected to the outside of the bottom plate (100) and are respectively arranged in one-to-one correspondence with the limiting components (200).

7. The limiting structure for automobile fork welding according to claim 6, characterized in that: The adjusting component (300) comprises a servo motor (310) installed on the outside of the base plate (100), and a connecting seat (320) connected to the bottom of the telescopic cylinder (210) and slidably matched with the slide groove (130); the output end of the servo motor (310) is connected to a threaded screw (311), the threaded screw (311) extends into the slide groove (130), and a threaded hole (321) threadedly matched with the threaded screw (311) is opened on the connecting seat (320).

8. The limiting structure for welding of automobile forks according to claim 7 is characterized in that: The base plate (100) is provided with a cleaning component (400), the cleaning component (400) comprising a dust collector (410) mounted on the top of the base plate (100), the dust collecting port of the dust collector (410) being connected to a dust collecting pipe (420), the port of the dust collecting pipe (420) being arranged corresponding to the supporting pedestal (120).

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