Welding clamp for first-gear and second-gear shifting assembly

Abstract

The utility model discloses a first and second gear shifting assembly welding fixture which comprises a fixture bottom plate, a first shifting fork positioning and fixing seat is arranged on the fixture bottom plate, a first shifting fork positioning mandrel and a first shifting fork opening positioning seat are arranged on the first shifting fork positioning and fixing seat, and a fork opening frame positioning device is further arranged on the first shifting fork positioning and fixing seat. Two shifting fork entry end face positioning adjusting blocks corresponding to shifting fork feet are arranged on the outer side of the first shifting fork entry positioning seat, a first quick clamp is arranged on the first shifting fork entry positioning seat, and a second shifting fork positioning fixing seat is arranged on one side of the first shifting fork positioning fixing seat. And a second shifting fork positioning mandrel and a second shifting fork opening positioning seat are arranged on the second shifting fork positioning and fixing seat, and a second quick clamp for pressing the shifting fork is arranged on the second shifting fork positioning and fixing seat. The welding fixture has the advantages that welding of three welding seams is completed on one fixture, manufacturing cost of the fixture is reduced, replacement of the fixture is reduced, and welding processing takt is improved.

Description

Technical Field

[0001] The utility model relates to the field of welding fixtures, in particular to a welding fixture for a first- and second-gear shift assembly. Background Art

[0002] A new product of the first and second gear shift fork assembly was developed. The fork frame needed to be welded to the shift fork. To ensure the welding firmness, the product design required welding of three welds in three directions. Conventional welding machines can weld two welds at a time with a turntable, but the welding of the other weld requires the addition of a process fixture to complete the welding. As a result, a lot of equipment waiting time is caused when replacing the fixture, the welding efficiency is low, and the labor intensity of the workers is high. Summary of the invention

[0003] In view of the deficiencies in the above-mentioned prior art, the utility model provides a first- and second-gear shift assembly welding fixture, which completes three weld seams on one fixture, thereby reducing the manufacturing cost of the fixture and reducing the replacement of the fixture.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A welding fixture for a one- and two-speed shift assembly, characterized in that it includes a fixture base plate, a first shift fork positioning and fixing seat is provided on the fixture base plate, a first shift fork positioning mandrel and a first shift fork fork mouth positioning seat are provided on the first shift fork positioning and fixing seat, a fork mouth frame positioning device is also provided on the first shift fork positioning and fixing seat, two shift fork fork mouth end face positioning and adjustment blocks corresponding to the shift fork fork feet are provided on the outer side of the first shift fork fork mouth positioning seat, a first quick clamp for pressing the shift fork is provided on the first shift fork fork mouth positioning seat, a second shift fork positioning and fixing seat is provided on one side of the first shift fork positioning and fixing seat, the second shift fork positioning and fixing seat is arranged vertically with the first shift fork positioning and fixing seat, a second shift fork positioning mandrel and a second shift fork fork mouth positioning seat are provided on the second shift fork positioning and fixing seat, and a second quick clamp for pressing the shift fork is provided on the second shift fork positioning and fixing seat.

[0006] Furthermore, the fork frame positioning device includes a fork frame positioning guide seat, a fork frame positioning seat, a fork frame shift groove positioning block, and a fork frame limiting groove positioning block. The fork frame positioning guide seat is fixedly set on the first shift fork positioning fixed seat, and the fork frame positioning seat is slidably set on the fork frame positioning guide seat. The fork frame shift groove positioning block and the fork frame limiting groove positioning block are both embedded in the fork frame positioning seat. A fork frame pressure plate for pressing the fork frame is arranged in the direction opposite to the fork frame positioning seat, and the fork frame pressure plate is limited on the fork frame positioning seat through bolts.

[0007] Furthermore, a push-pull quick clamp for driving the fork frame positioning seat to move is provided on the fork frame positioning guide seat.

[0008] Furthermore, a spring is provided at the rear end of the fork frame limit groove positioning block, so that the fork frame limit groove positioning block is float-positioned on the fork frame positioning seat.

[0009] Furthermore, a fork fork end face positioning adjustment block is slidably arranged on the first fork positioning fixing seat, and a fork end face positioning block adjustment seat is arranged on the back side of the first fork positioning fixing seat, and an end face positioning adjustment bolt is arranged on the fork end face positioning block adjustment seat, and the front end of the end face positioning adjustment bolt is rotatably connected to the fork fork end face positioning adjustment block.

[0010] Furthermore, the first shift fork positioning mandrel is located obliquely above the first shift fork fork opening positioning seat, so that the welding parts of the shift fork and the fork opening frame are at the same horizontal height.

[0011] Furthermore, handles are provided on the fixture bottom plate at positions corresponding to both ends.

[0012] The beneficial effects of the utility model include: designing two welds that can be rotatably welded as one workstation, adding a welding workstation in another direction on the same fixture, and returning to the starting position after the three seams are welded during the equipment welding process, thereby reducing the equipment preparation time for welding with two sets of fixtures, which can greatly improve the welding processing rhythm of the entire product and better solve the product's production capacity and cost issues. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a top view of the utility model. DETAILED DESCRIPTION

[0016] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0017] A kind of Figure 1-3The welding fixture for the first and second gear shift assembly shown includes a fixture base plate 1, on which a first shift fork positioning and fixing seat 2 is provided, on which a first shift fork positioning and fixing seat 2 is provided, and a first shift fork positioning mandrel 3 and a first shift fork fork mouth positioning seat 4 are provided, and on which a fork mouth frame positioning device is also provided, and the first shift fork positioning mandrel 3 is located obliquely above the first shift fork fork mouth positioning seat 4, so that the welding parts of the shift fork and the fork mouth frame are at the same horizontal height, and after the shift fork and the fork mouth frame are positioned, at least two welds can be welded once through the turntable of the welding machine. A first quick clamp 6 for clamping the shift fork is provided on the first shift fork fork mouth positioning seat 4, and the pressure head on the first quick clamp 6 clamps the connection position between the shift fork shaft tube and the fork foot, and the clamping stability is good.

[0018] In order to further improve the supporting stability of the fork, two fork fork end face positioning adjustment blocks 5 corresponding to the fork legs are arranged outside the first fork fork positioning seat 4, the fork fork end face positioning adjustment block 5 is slidably arranged on the first fork positioning fixing seat 2, and a fork end face positioning block adjustment seat 17 is arranged on the back of the first fork positioning fixing seat 2, and an end face positioning adjustment bolt 18 is arranged on the fork end face positioning block adjustment seat 17, and the front end of the end face positioning adjustment bolt 18 is rotatably connected to the fork fork end face positioning adjustment block 5. The support adjustment of the fork fork end face positioning adjustment block 5 to the fork leg is realized by rotating the end face positioning adjustment bolt 18.

[0019] The fork frame positioning device includes a fork frame positioning guide seat 10, a fork frame positioning seat 11, a fork frame shifting groove positioning block 12, and a fork frame limiting groove positioning block 13. The fork frame positioning guide seat 10 is fixedly arranged on the first fork positioning fixed seat 2, and the fork frame positioning seat 11 is slidably arranged on the fork frame positioning guide seat 10. The fork frame shifting groove positioning block 12 and the fork frame limiting groove positioning block 13 are both embedded in the fork frame positioning seat 11. The fork frame positioning seat 11 is directly opposite to the fork frame positioning seat 11. The fork frame pressing plate 14 for pressing the fork frame is provided, and the fork frame pressing plate 14 is limited on the fork frame positioning seat 11 through bolts. The fork frame is positioned on the fork frame positioning seat 11 to achieve complete positioning through the fork frame shifting groove positioning block 12 and the fork frame limiting groove positioning block 13, and then clamped through the fork frame pressing plate 14.

[0020] In order to facilitate the clamping and positioning of the fork frame, a push-pull quick clamp 15 is provided on the fork frame positioning guide seat 10 of this embodiment to drive the fork frame positioning seat 11 to move. A spring 16 is provided at the rear end of the fork frame limit groove positioning block 13, so that the fork frame limit groove positioning block 13 is floated and positioned on the fork frame positioning seat 11.

[0021] A second fork positioning and fixing seat 7 is arranged on one side of the first fork positioning and fixing seat 2, and the second fork positioning and fixing seat 7 is arranged vertically with the first fork positioning and fixing seat 2. A second fork positioning mandrel 8 and a second fork fork mouth positioning seat 9 are arranged on the second fork positioning and fixing seat 7, and a second quick clamp 19 for pressing the fork is arranged on the second fork positioning and fixing seat 7. This structure constitutes the second clamping station, and after clamping, the third weld of the fork and the fork mouth frame is kept outward and at the same horizontal height as the first and second welds, which is convenient for welding by the welding machine.

[0022] To facilitate installation and transportation of the clamp, handles 20 are provided at positions corresponding to both ends of the clamp base plate 1 in this embodiment.

[0023] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A welding fixture for a first and second gear shift assembly, characterized in that: The invention comprises a fixture base plate (1), wherein a first shift fork positioning and fixing seat (2) is arranged on the fixture base plate (1), a first shift fork positioning mandrel (3) and a first shift fork fork mouth positioning seat (4) are arranged on the first shift fork positioning and fixing seat (2), a fork mouth frame positioning device is also arranged on the first shift fork positioning and fixing seat (2), two shift fork fork mouth end surface positioning and adjustment blocks (5) corresponding to the shift fork fork legs are arranged outside the first shift fork fork mouth positioning seat (4), a first quick clamp (6) for pressing the shift fork is arranged on the first shift fork fork mouth positioning seat (4), a second shift fork positioning and fixing seat (7) is arranged on one side of the first shift fork positioning and fixing seat (2), the second shift fork positioning and fixing seat (7) is arranged vertically with the first shift fork positioning and fixing seat (2), a second shift fork positioning mandrel (8) and a second shift fork fork mouth positioning seat (9) are arranged on the second shift fork positioning and fixing seat (7), and a second quick clamp (19) for pressing the shift fork is arranged on the second shift fork positioning and fixing seat (7).

2. The welding fixture for the first and second gear shift assembly according to claim 1 is characterized in that: The fork frame positioning device comprises a fork frame positioning guide seat (10), a fork frame positioning seat (11), a fork frame shift groove positioning block (12), and a fork frame limit groove positioning block (13); the fork frame positioning guide seat (10) is fixedly arranged on the first shift fork positioning fixed seat (2); the fork frame positioning seat (11) is slidably arranged on the fork frame positioning guide seat (10); the fork frame shift groove positioning block (12) and the fork frame limit groove positioning block (13) are both embedded in the fork frame positioning seat (11); a fork frame pressure plate (14) for pressing the fork frame is arranged in the opposite direction of the fork frame positioning seat (11); the fork frame pressure plate (14) is limited on the fork frame positioning seat (11) by bolts.

3. A welding fixture for a first and second gear shift assembly according to claim 2, characterized in that: The fork frame positioning guide seat (10) is provided with a push-pull type quick clamp (15) for driving the fork frame positioning seat (11) to move.

4. The welding fixture for the first and second gear shift assembly according to claim 2 is characterized in that: A spring (16) is provided at the rear end of the fork frame limit groove positioning block (13), so that the fork frame limit groove positioning block (13) is floatably positioned on the fork frame positioning seat (11).

5. The welding fixture for the first and second gear shift assembly according to claim 1 is characterized in that: A shift fork fork end surface positioning adjustment block (5) is slidably arranged on the first shift fork positioning fixing seat (2), and a shift fork end surface positioning block adjustment seat (17) is arranged on the back of the first shift fork positioning fixing seat (2), and an end surface positioning adjustment bolt (18) is arranged on the shift fork end surface positioning block adjustment seat (17), and the front end of the end surface positioning adjustment bolt (18) is rotatably connected to the shift fork fork end surface positioning adjustment block (5).

6. The welding fixture for the first and second gear shift assembly according to claim 1 is characterized in that: The first shift fork positioning mandrel (3) is located obliquely above the first shift fork fork opening positioning seat (4), so that the welding parts of the shift fork and the fork opening frame are at the same horizontal height.

7. The welding fixture for the first and second gear shift assembly according to claim 1 is characterized in that: Handles (20) are provided at positions corresponding to the two ends of the clamp bottom plate (1).

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