Gear shaft assembly welding tool table

Abstract

The gear shaft assembly welding tool table comprises a second transverse plate and a third transverse plate, the third transverse plate is arranged above the second transverse plate, an angle adjusting mechanism is arranged on the second transverse plate, and a restraining mechanism matched with a gear shifting shaft is arranged at the upper end of the angle adjusting mechanism. A moving platform is arranged at the top end of the third transverse plate, and a limiting pin matched with a second through hole in the gear shifting arm is arranged on the moving platform. The restraining mechanism comprises a spline sleeve and a shaft sleeve, the spline sleeve and the shaft sleeve are fixedly connected through a coupler, a rotating shaft is connected into the shaft sleeve through a flat key, the rotating shaft is fixedly connected with the second gear, and the bottom end of the rotating shaft is matched with the second transverse plate through a second bearing. And the top end of the spline housing is matched with a limiting plate through a first bearing.

Description

Technical Field

[0001] The invention relates to the field of welding tooling, and in particular to a gear shaft assembly welding tooling table. Background Art

[0002] The gear shaft assembly is an important component in the automotive industry. Figure 7 As shown, the assembly body 6 includes a shift shaft 601 and a shift arm 602, and a spline and a first through hole 603 are provided on the bottom circumference of the shift shaft 601, and the top end of the shift shaft 601 is welded with a welding hole 605 on the shift arm 602, and a second through hole 604 is provided on the shift arm 602. There are many specifications of the shift shaft assembly, and during the welding process, the first through hole 603 on the shift arm 602 needs to ensure a certain matching angle with the shift arm 602 (the axis of the first through hole 603 and the center line of the welding hole 605 and the second through hole 604 of the shift arm 602 ensure the matching angle). In the prior art, manual welding is usually used to process the shift shaft assembly, which has low production efficiency, and the welding quality and angle accuracy are heavily dependent on manual experience. Therefore, how to develop a welding tooling table for the shift shaft assembly has become an urgent problem to be solved by technicians in this field. Summary of the invention

[0003] The purpose of the present invention is to provide a gear shaft assembly welding tooling table to solve the problem that the gear shaft assembly is usually processed by manual welding in the prior art, the production efficiency is low, and the welding quality and angle accuracy are seriously dependent on manual experience.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention provides a gear shaft assembly welding tooling table, comprising a second transverse plate and a third transverse plate, wherein the third transverse plate is arranged above the second transverse plate, an angle adjustment mechanism is arranged on the second transverse plate, a constraint mechanism cooperating with the gear shift shaft is arranged at the upper end of the angle adjustment mechanism, a movable platform is arranged at the top end of the third transverse plate, and a limit pin cooperating with the second through hole on the gear shift arm is arranged on the movable platform.

[0006] Furthermore, the third transverse plate is fixedly arranged on the first transverse plate through a guide rod, and the first transverse plate is fixedly arranged on the workbench; the second transverse plate is slidably arranged between the first transverse plate and the third transverse plate.

[0007] Furthermore, the first transverse plate is provided with a lifting mechanism cooperating with the second transverse plate.

[0008] Furthermore, the angle adjustment mechanism includes a first motor, a first gear, a rack and a second gear. The upper surface of the second horizontal plate is provided with a rack that can slide left and right, and the lower surface of the second horizontal plate is provided with a first motor. The first gear on the first motor is meshed with the rack, and the rack is meshed with the second gear at the bottom end of the constraint mechanism.

[0009] Furthermore, the constraint mechanism includes a spline sleeve and a shaft sleeve, the spline sleeve and the shaft sleeve are fixedly connected via a coupling, a rotating shaft is arranged in the shaft sleeve via a flat key, the rotating shaft is fixedly connected to the second gear, the bottom end of the rotating shaft cooperates with the second cross plate via a second bearing, and the top end of the spline sleeve cooperates with the limit plate via a first bearing.

[0010] Furthermore, the spline sleeve is plug-fitted with the spline on the shift shaft, and a marking point is provided on the spline sleeve to cooperate with the first through hole on the shift shaft.

[0011] Furthermore, a second motor is arranged on the lower surface of the third horizontal plate, a lead screw is arranged between the second motor and the fixed frame, a slider which cooperates with the lead screw thread is arranged at the bottom end of the mobile platform, and a slide rail which cooperates with the mobile platform is arranged on the third horizontal plate.

[0012] Furthermore, the specific number of the constraint mechanisms is five; the second transverse plate and the limiting plate are slidably matched with the guide rod.

[0013] Compared with the prior art, the beneficial technical effects of the present invention are:

[0014] The gear shaft assembly welding fixture of the present invention can complete the positioning of multiple assembly bodies at one time through the constraint mechanism, the angle adjustment mechanism and the limit pins on the mobile platform, so as to complete batch welding with the help of welding robots, effectively improve production efficiency, get rid of the dependence on manual experience, and ensure product quality; the gear shaft assembly welding fixture of the present invention realizes the adjustment of the welding angle through the angle adjustment mechanism, realizes the adjustment of the shift shaft connection height through the second cross plate, and realizes the adjustment of the shift arm connection length through the mobile platform, so that it can be used for welding shift shafts of different heights and shift arms of different connection angles, and has a wide range of applications. In general, the gear shaft assembly welding fixture of the present invention has a clever design, practical functions, and a simple structure. It effectively solves the problem that the gear shaft assembly is usually processed by manual welding in the prior art, the production efficiency is low, and the welding quality and angle accuracy are heavily dependent on manual experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings:

[0016] Figure 1This is an axonometric view of the welding tooling platform for the gear shaft assembly of the present invention (angle 1);

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is the isometric view of the welding tooling platform for the gear shaft assembly of the present invention (angle 2);

[0019] Figure 4 This is a rear view (partial section view) of the welding tooling platform for the gear shaft assembly of the present invention;

[0020] Figure 5 This is an axonometric view (partial section view) of the welding tooling platform for the gear shaft assembly of the present invention;

[0021] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0022] Figure 7 It is a schematic diagram of the structure of the assembly body;

[0023] Figure 8 This is a diagram showing the coordination between the welding fixture of the gear shaft assembly of the present invention and another assembly body;

[0024] Fig. 9 A welding tooling platform for the gear shaft assembly of the present invention (another embodiment)

[0025] Fig.10 for Fig. 9 A partial enlarged view of .

[0026] Explanation of the accompanying drawings: 1. workbench; 2. first horizontal plate; 201. lifting mechanism; 202. guide rod; 3. second horizontal plate; 301. limit plate; 4. third horizontal plate; 401. slide rail; 402. moving platform; 403. limit pin; 404. second motor; 405. lead screw; 406. fixed frame; 5. angle adjustment mechanism; 501. first motor; 502. first gear; 503. rack; 504. second gear; 505. constraint mechanism; 5051. spline sleeve; 5052. first bearing; 5053. coupling; 5054. bushing; 5055. flat key; 5056. rotating shaft; 5057. second bearing; 6. assembly body; 601. shift shaft; 602. shift arm; 603. first through hole; 604. second through hole; 605. welding hole. DETAILED DESCRIPTION

[0027] like Figures 1 to 8As shown, a welding workbench for a gear shaft assembly includes a first transverse plate 2, a second transverse plate 3 and a third transverse plate 4. The third transverse plate 4 is fixedly arranged on the first transverse plate 2 through a guide rod 202, and the first transverse plate 2 is fixedly arranged on a workbench 1. The third transverse plate 4 is arranged above the second transverse plate 3, and the second transverse plate 3 is arranged between the first transverse plate 2 and the third transverse plate 4 so as to be slidable up and down.

[0028] The second horizontal plate 3 is provided with an angle adjustment mechanism 5, and the upper end of the angle adjustment mechanism 5 is provided with a restraining mechanism 505 that cooperates with the shift shaft 601. The top of the third horizontal plate 4 is provided with a moving platform 402, and the moving platform 402 is provided with a limit pin 403 that cooperates with the second through hole 604 on the shift arm 602. The lower surface of the third horizontal plate 4 is provided with a second motor 404, and a lead screw 405 is provided between the second motor 404 and the fixing frame 406. The bottom end of the moving platform 402 is provided with a slider that is threadedly matched with the lead screw 405, and the third horizontal plate 4 is provided with a slide rail 401 that cooperates with the moving platform 402.

[0029] The first horizontal plate 2 is provided with a lifting mechanism 201 that cooperates with the second horizontal plate 3. The lifting mechanism 201 adopts an electric push rod or a screw lifter. The specific number of the restraining mechanism 505 is five; the second horizontal plate 3 and the limit plate 301 are slidably matched with the guide rod 202.

[0030] The angle adjustment mechanism 5 includes a first motor 501, a first gear 502, a rack 503 and a second gear 504. The upper surface of the second horizontal plate 3 is provided with a rack 503 that can slide left and right. The lower surface of the second horizontal plate 3 is provided with a first motor 501. The first gear 502 on the first motor 501 meshes with the rack 503, and the rack 503 meshes with the second gear 504 at the bottom of the constraint mechanism 505. The five constraint mechanisms 505 use the same specifications of the second gear 504 to cooperate with the rack 503 to ensure the same rotation angle.

[0031] The constraint mechanism 505 includes a spline sleeve 5051 and a sleeve 5054, the spline sleeve 5051 and the sleeve 5054 are fixedly connected via a coupling 5053, a rotating shaft 5056 is provided in the sleeve 5054 via a flat key 5055, the sleeve 5054 and the rotating shaft 5056 are connected via a flat key 5055, the rotating shaft 5056 is fixedly connected to the second gear 504, the bottom end of the rotating shaft 5056 cooperates with the second cross plate 3 via a second bearing 5057, and the top end of the spline sleeve 5051 cooperates with the limit plate 301 via a first bearing 5052.

[0032] The spline sleeve 5051 is plug-fitted with the spline on the shift shaft 601 , and a marking point (notch or color) is provided on the spline sleeve 5051 to match with the first through hole 603 on the shift shaft 601 .

[0033] like Figure 8 As shown, the shift shaft assembly welding tooling platform of the present invention realizes adjustment of the welding angle through the angle adjustment mechanism 5, realizes adjustment of the connection height of the shift shaft 601 through the second cross plate 3, and realizes adjustment of the connection length of the shift arm 602 through the mobile platform 402, thereby being applicable to the welding of shift shafts 601 of different heights and shift arms 602 of different connection angles, and has a wide range of applications.

[0034] like Fig. 9 and Fig.10 As shown, the spline sleeve 5051 in the present invention is replaced with a limit sleeve that cooperates with the flat structure at the bottom end of the gear select shaft, and the limit pin 403 on the mobile platform 402 is replaced with a limit groove that cooperates with the head of the gear select arm, so that the welding work of the gear select shaft assembly can be applied.

[0035] The working process of the present invention is as follows:

[0036] The first step is to adjust the second horizontal plate 3 to a suitable position according to the height of the shift shaft 601 of the assembly body 6 to be processed;

[0037] Step 2: Adjust the limit pin 403 on the moving platform 402 to a suitable position according to the position of the second through hole 604 on the shift arm 602;

[0038] Step 3: Adjust the angle of the spline sleeve 5051 according to the connection angle between the first through hole 603 on the shift arm 602 and the shift arm 602;

[0039] Step 4: Place the shift shaft 601 on the spline sleeve 5051, and make the first through hole 603 on the shift shaft 601 correspond to the mark point on the spline sleeve 5051; place the shift arm 602 on the third cross plate 4, and make the welding hole 605 on the shift arm 602 match with the top end of the shift shaft 601, and the second through hole 604 on the shift arm 602 match with the limit pin 403 on the moving platform 402;

[0040] The fifth step is to complete batch welding through welding robots.

[0041] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A welding tooling platform for gear shaft assembly, characterized in that: The invention comprises a second transverse plate (3) and a third transverse plate (4), wherein the third transverse plate (4) is arranged above the second transverse plate (3), an angle adjustment mechanism (5) is arranged on the second transverse plate (3), a restraining mechanism (505) cooperating with a shift shaft (601) is arranged at the upper end of the angle adjustment mechanism (5), a moving platform (402) is arranged at the top end of the third transverse plate (4), and a limiting pin (403) cooperating with a second through hole (604) on the shift arm (602) is arranged on the moving platform (402).

2. The gear shaft assembly welding tooling platform according to claim 1, characterized in that: The third transverse plate (4) is fixedly arranged on the first transverse plate (2) via a guide rod (202); the first transverse plate (2) is fixedly arranged on the workbench (1); and the second transverse plate (3) is slidably arranged between the first transverse plate (2) and the third transverse plate (4).

3. The gear shaft assembly welding tooling platform according to claim 2 is characterized in that: The first transverse plate (2) is provided with a lifting mechanism (201) that cooperates with the second transverse plate (3).

4. The gear shaft assembly welding tooling platform according to claim 1, characterized in that: The angle adjustment mechanism (5) comprises a first motor (501), a first gear (502), a rack (503) and a second gear (504); the upper surface of the second horizontal plate (3) is provided with a rack (503) capable of sliding left and right; the lower surface of the second horizontal plate (3) is provided with the first motor (501); the first gear (502) on the first motor (501) is meshed with the rack (503); and the rack (503) is meshed with the second gear (504) at the bottom end of the constraint mechanism (505).

5. The gear shaft assembly welding tooling platform according to claim 4, characterized in that: The constraint mechanism (505) comprises a spline sleeve (5051) and a shaft sleeve (5054); the spline sleeve (5051) and the shaft sleeve (5054) are fixedly connected via a coupling (5053); a rotating shaft (5056) is arranged in the shaft sleeve (5054) via a flat key (5055); the rotating shaft (5056) is fixedly connected to the second gear (504); the bottom end of the rotating shaft (5056) cooperates with the second cross plate (3) via a second bearing (5057); and the top end of the spline sleeve (5051) cooperates with the limit plate (301) via a first bearing (5052).

6. The gear shaft assembly welding tooling platform according to claim 5, characterized in that: The spline sleeve (5051) is plug-fitted with the spline on the shift shaft (601), and a marking point is provided on the spline sleeve (5051) for matching with the first through hole (603) on the shift shaft (601).

7. The gear shaft assembly welding tooling platform according to claim 1, characterized in that: A second motor (404) is arranged on the lower surface of the third horizontal plate (4), a lead screw (405) is arranged between the second motor (404) and the fixed frame (406), a slider threadedly matched with the lead screw (405) is arranged at the bottom end of the mobile platform (402), and a slide rail (401) matched with the mobile platform (402) is arranged on the third horizontal plate (4).

8. The gear shaft assembly welding tooling platform according to claim 2, characterized in that: The specific number of the constraint mechanisms (505) is five; the second transverse plate (3) and the limiting plate (301) are slidably matched with the guide rod (202).

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