Axle housing multi-connecting-rod support welding tool mechanism

Abstract

The utility model discloses an axle housing multi-connecting-rod support welding tool mechanism, belongs to the technical field of automobile part machining, and particularly relates to a welding table. The center positioning mechanism is arranged on the welding table and used for positioning a speed reduction cavity of the axle housing; the first side positioning mechanism and the second side positioning mechanism are arranged on the two sides of the center positioning mechanism and used for positioning the axle housing in the radial direction; the third side positioning mechanisms are arranged on the other two sides of the center positioning mechanism and used for positioning the axle housing in the axial direction; through the center positioning mechanism, the first positioning mechanism, the second positioning mechanism and the third positioning mechanism, the novel axle housing clamping tool can be better compatible with a novel axle housing and is suitable for clamping and positioning of the novel axle housing in the axial direction and the radial direction, the application range of the clamping tool is widened, and the clamping efficiency is improved through the change of the structure of the novel axle housing. And positioning clamping points matched with the new axle housing are added, so that the accuracy of the new axle housing in the welding process is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts processing, and particularly relates to a welding tool mechanism for an axle housing multi-link bracket. Background Art

[0002] Since the automobile axle housing hydraulic automatic clamping and positioning device has high positioning accuracy, fast clamping speed and simple operation method, it is widely used in the field of automobile rear axle housing manufacturing.

[0003] Chinese utility model patent CN209551222U discloses a hydraulic positioning and clamping device for an automotive axle housing. The device comprises movable supports a and b positioned on either side of a base plate; floating support cylinders a, b, and c fixedly positioned on the circumference of the axle housing; floating support cylinders d, e, f, and g positioned below the circumference of the axle housing; rocker clamping cylinders c and d positioned oppositely on either side of the axle housing; a rotary leveling cylinder positioned between floating support cylinders b and c on the opposite sides of the axle housing; and an axial positioning cylinder positioned on movable support b. This utility model presents a novel and rational design. By optimizing the axle housing clamping and positioning cylinder workstations and process flow, it avoids dimensional instability caused by deformation of the axle housing, improves product quality, reduces defective product rates, and saves production costs.

[0004] There are still deficiencies in the above application documents: in the process of clamping and positioning the new product bridge shell, the clamping tooling of the bridge shell has poor compatibility and is not suitable for clamping and positioning the new product bridge shell, resulting in certain limitations for the clamping tooling. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a welding fixture mechanism for axle housing multi-link bracket, which has the characteristics of strong compatibility with new products and good clamping and positioning effect.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a welding tooling mechanism for axle housing multi-link bracket, comprising a welding table;

[0007] A central positioning mechanism provided on the welding platform is used to position the deceleration cavity of the axle housing;

[0008] The center positioning mechanism includes a pneumatic hydraulic chuck, a gripper of which is fixedly provided with a claw, and a floating support assembly is provided on the top of the pneumatic hydraulic chuck for supporting the axle housing;

[0009] A first side positioning mechanism and a second side positioning mechanism provided on both sides of the central positioning mechanism are used to position the axle housing in a radial direction;

[0010] The first side positioning mechanism includes a first side positioning frame and a second side positioning frame, and the first side positioning frame and the second side positioning frame are slidably connected to the welding table through a first slide;

[0011] The second side positioning mechanism includes a third side positioning frame and a fourth side positioning frame, and the third side positioning frame and the fourth side positioning frame are both slidably connected to the welding table through a second slide;

[0012] The third side positioning mechanisms provided on the other two sides of the central positioning mechanism are used to position the axle housing in the axial direction;

[0013] The third side positioning mechanism includes a mounting seat, which is fixedly arranged on the welding table, and a fifth side positioning frame is fixedly arranged on the mounting seat.

[0014] Preferably, the floating support assembly includes a floating plate, which is arranged parallel to the welding table. Columns are fixedly connected below both ends of the floating plate, and a spring is fixedly provided at the top of the column. The other end of the spring is fixedly connected to the floating plate.

[0015] Preferably, the first side positioning frame includes a first base plate, a first angle bracket is fixedly provided on the first base plate, a first cylinder is fixedly provided on the first angle bracket, and a first positioning block is fixedly provided on the movable end of the first cylinder.

[0016] Preferably, the second side positioning frame includes a second angle bracket, a second cylinder is fixedly provided on the second angle bracket, and a first positioning pin is fixedly provided on the clamping jaw of the second cylinder.

[0017] Preferably, the third side positioning frame includes a second base plate, a third angle bracket is fixedly provided on the second base plate, a first clamp quick clamp is fixedly provided on the third angle bracket, a second positioning block is fixedly provided on the movable end of the first clamp quick clamp, and a positioning hole is provided on the second positioning block.

[0018] Preferably, the fourth side positioning frame includes a third base plate, a fourth corner bracket is fixedly provided on the third base plate, a second clamp quick clamp is fixedly provided on the fourth corner bracket, a third positioning block is fixedly provided on the movable end of the second clamp quick clamp, and a top cone is fixedly provided on the third positioning block.

[0019] Preferably, a side support positioning frame is arranged on the first slide plate to position the axle housing in the radial direction, the side support positioning frame is arranged between the first side positioning frame and the second side positioning frame, the side support positioning frame comprises a fourth bottom plate, a plug-in column is fixedly arranged on the fourth bottom plate, a fifth angle seat frame is fixedly arranged on one side of the plug-in column, a third air cylinder is fixedly arranged on the fifth angle seat frame, and an elongated claw is fixedly arranged on the clamping jaw of the third air cylinder.

[0020] Preferably, the fifth side positioning frame comprises an air cylinder seat fixedly arranged on the mounting seat, a fourth air cylinder is fixedly arranged on one side of the air cylinder seat, a mandrel is fixedly arranged at the movable end of the fourth air cylinder, and a center point is fixedly arranged at the other end of the mandrel.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] The center positioning mechanism, the first positioning mechanism, the second positioning mechanism and the third positioning mechanism can better adapt to the new axle housing, are suitable for clamping and positioning the new axle housing in the axial direction and the radial direction, improve the application range of the clamping tool, and increase the positioning clamping points adapted to the new axle housing through the change of the structure of the new axle housing, thereby further improving the accuracy of the new axle housing in the welding process. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0024] Figure 1 is a three-dimensional structural schematic view of the present application;

[0025] Figure 2 is a top view structural schematic view of the present application;

[0026] Figure 3 is a three-dimensional structural schematic view of the floating support assembly of the present application;

[0027] Figure 4 is a three-dimensional structural schematic view of the first side positioning frame of the present application;

[0028] Figure 5 is a three-dimensional structural schematic view of the second side positioning frame of the present application;

[0029] Figure 6 is a three-dimensional structural schematic view of the third side positioning frame of the present application;

[0030] Figure 7 is a three-dimensional structural schematic view of the fourth side positioning frame of the present application;

[0031] Figure 8 This is a schematic diagram of the three-dimensional structure of the side support positioning frame of the utility model;

[0032] Figure 9 This is a schematic diagram of the three-dimensional structure of the fifth side positioning frame of the utility model;

[0033] Figure 10 This is a schematic cross-sectional structure diagram of the fifth side positioning frame of the present utility model;

[0034] In the figure: 1. Welding table; 2. Pneumatic and hydraulic chuck; 3. Clamping claw; 4. Floating support assembly; 41. Floating plate; 42. Column; 43. Spring; 5. First side positioning frame; 51. First base plate; 52. First angle bracket; 53. First cylinder; 54. First positioning block; 6. Second side positioning frame; 61. Second angle bracket; 62. Second cylinder; 63. First positioning pin; 7. First slide; 8. Third side positioning frame; 81. Second base plate; 82. Third angle bracket; 83. First fixture quick clamp; 84 , second positioning block; 85, positioning hole; 9, fourth side positioning frame; 91, third base plate; 92, fourth corner seat; 93, second fixture quick clamp; 94, third positioning block; 95, top cone; 10, second slide; 11, side support positioning frame; 111, fourth base plate; 112, plug-in column; 113, fifth corner seat; 114, third cylinder; 115, extended claw; 12, mounting seat; 13, fifth side positioning frame; 131, cylinder seat; 132, fourth cylinder; 133, core shaft; 134, top. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example

[0037] See also Figure 1-10 ,This embodiment provides the following technical solutions: a bridge housing multi-link bracket welding fixture mechanism, including a welding table 1;

[0038] A center positioning mechanism is provided on the welding table 1, and is used to position the deceleration chamber of the bridge housing; the center positioning mechanism includes a pneumatic hydraulic chuck 2, a gripper of which is fixedly provided with a clamping claw 3, and a floating support assembly 4 is provided on the top of the pneumatic hydraulic chuck 2, and is used to support the bridge housing. Through the pneumatic hydraulic chuck 2 and the clamping claw 3, the two clamping claws 3 can be moved away from each other at the same time to position the deceleration chamber on the bridge housing.

[0039] In some embodiments, two clamping claws 3 are provided, the two clamping claws 3 are symmetrically arranged, and the clamping claws 3 are L-shaped structures.

[0040] like Figure 3 As shown, the floating support assembly 4 includes a floating plate 41, which is arranged parallel to the welding table 1. Columns 42 are fixedly connected below both ends of the floating plate 41. A spring 43 is fixedly provided at the top of the column 42. The other end of the spring 43 is fixedly connected to the floating plate 41. Through the floating plate 41 and the spring 43, after the bridge housing is placed on the floating plate 41, a buffering effect can be achieved on the bridge housing.

[0041] In some embodiments, the floating plate 41 is disposed between the two claws 3 , and the column 42 is fixedly disposed on the welding table 1 . The floating plate 41 cooperates with the two claws 3 to better position and support the axle housing reduction cavity.

[0042] The first side positioning mechanism and the second side positioning mechanism arranged on both sides of the central positioning mechanism are used to position the bridge housing in the radial direction. In some embodiments, the first side positioning mechanism is arranged on the rear side of the welding table 1, and the second side positioning mechanism is arranged on the front side of the welding, and two groups of the first side positioning mechanism and the second side positioning mechanism are provided.

[0043] like Figure 2 As shown, the first side positioning mechanism includes a first side positioning frame 5 and a second side positioning frame 6. The first side positioning frame 5 and the second side positioning frame 6 are slidingly connected to the welding table 1 through a first slide 7. The position of the first side positioning frame 5 on the welding table 1 can be adjusted through the first slide 7.

[0044] The second side positioning mechanism includes a third side positioning frame 8 and a fourth side positioning frame 9. The third side positioning frame 8 and the fourth side positioning frame 9 are both slidably connected to the welding table 1 through a second slide 10. The positions of the third side positioning frame 8 and the fourth side positioning frame 9 on the welding table 1 can be adjusted through the second slide 10.

[0045] The third positioning mechanism is arranged on the other two sides of the central positioning mechanism, and is used to position the axial direction of the bridge housing. In some embodiments, the third side positioning mechanism is arranged on the left and right sides of the welding table 1; the third side positioning mechanism includes a mounting seat 12, and the mounting seat 12 is fixedly set on the welding table 1. A fifth side positioning frame 13 is fixedly set on the mounting seat 12. Through the fifth side positioning frame 13, the axial direction of the bridge housing can be positioned by mutual cooperation.

[0046] Through the center positioning mechanism, the first side positioning mechanism, the second side positioning mechanism and the third side positioning mechanism, the new bridge housing can be better compatible, suitable for the clamping and positioning of the new bridge housing in the axial and radial directions, and the application range of the clamping tool is improved. Moreover, through the changes in the structure of the new bridge housing, the positioning clamping points that are compatible with the new bridge housing are increased, further improving the accuracy of the new bridge housing during the welding process.

[0047] like Figure 4 As shown, the first side positioning frame 5 includes a first base plate 51, a first angle bracket 52 is fixedly provided on the first base plate 51, a first cylinder 53 is fixedly provided on the first angle bracket 52, and a first positioning block 54 is fixedly provided on the movable end of the first cylinder 53. The first positioning block 54 is flipped close to the axle housing and fits with the axle housing through the first cylinder 53. At this time, the radial direction of the axle housing is positioned. On the contrary, when the first positioning block 54 flips away from the axle housing, the positioning of the axle housing is released.

[0048] In some embodiments, the first cylinder 53 is a clamping cylinder, the first positioning block 54 is an L-shaped structure, and the L-shaped groove of the first positioning block 54 is greater than 90 degrees.

[0049] like Figure 5 As shown, the second side positioning frame 6 includes a second angle bracket 61, a second cylinder 62 is fixedly provided on the second angle bracket 61, and a first positioning pin 63 is fixedly provided on the clamping jaw of the second cylinder 62. Through the second cylinder 62, the left and right clamping jaws on the second cylinder 62 move outward at the same time, so that the first positioning pins 63 on the left and right sides are simultaneously inserted into the corresponding hole grooves on the bridge housing to position the radial direction of the bridge housing. On the contrary, when the left and right first positioning pins 63 of the second cylinder 62 move inward at the same time, the positioning of the bridge housing is released.

[0050] In some embodiments, the second cylinder 62 is a finger cylinder, and the clamping claw on the second cylinder 62 and the first positioning pin 63 form an L-shaped structure.

[0051] like Figure 6 As shown, the third side positioning frame 8 includes a second base plate 81, a third angle bracket 82 is fixedly provided on the second base plate 81, a first clamp quick clamp 83 is fixedly provided on the third angle bracket 82, a second positioning block 84 is fixedly provided on the movable end of the first clamp quick clamp 83, and a positioning hole 85 is provided on the second positioning block 84. Through the first clamp quick clamp 83, the second positioning block 84 can be brought close to the bridge housing, and the positioning hole 85 and the positioning column on the bridge housing cooperate with each other to position the bridge housing in the radial direction. On the contrary, when the second positioning block 84 is away from the bridge housing, the positioning of the bridge housing is released.

[0052] like Figure 7As shown, the fourth side positioning frame 9 includes a third base plate 91, a fourth corner seat 92 is fixedly provided on the third base plate 91, a second clamp quick clamp 93 is fixedly provided on the fourth corner seat 92, a third positioning block 94 is fixedly provided on the movable end of the second clamp quick clamp 93, and a top cone 95 is fixedly provided on the third positioning block 94. Through the second clamp quick clamp 93, the third positioning block 94 is brought close to the bridge housing and fits with the bridge housing. At this time, the top cone 95 is inserted into the corresponding hole groove on the bridge housing to position the bridge housing in the radial direction. On the contrary, when the third positioning block 94 is away from the bridge housing, the positioning of the bridge housing is released.

[0053] like Figure 8 As shown, it also includes a side support positioning frame 11 provided on the first slide 7, which is used to position the bridge housing in the radial direction. The side support positioning frame 11 is provided between the first side positioning frame 5 and the second side positioning frame 6. The side support positioning frame 11 includes a fourth base plate 111, on which a plug-in column 112 is fixedly provided. A fifth angle bracket 113 is fixedly provided on one side of the plug-in column 112. A third cylinder 114 is fixedly provided on the fifth angle bracket 113. A clamping jaw of the third cylinder 114 is fixedly provided. An extended claw 115 is provided, and through the plug-in column 112, after the bridge housing is placed on the floating plate 41, the plug-in column 112 can be inserted into the corresponding hole groove on the bridge housing. Through the third cylinder 114, the clamping claws on the left and right sides can be moved away at the same time, so that the extended claws 115 on the left and right sides are simultaneously inserted into the adapted hole grooves on the bridge housing to position the bridge housing in the radial direction. On the contrary, when the extended claws 115 on the left and right sides are approached at the same time, the positioning of the bridge housing is released, and the bridge housing can be separated from the plug-in column 112.

[0054] In some embodiments, one side of the top of the column 42 is an inclined surface to facilitate insertion into the hole groove of the bridge housing. The third cylinder 114 is a finger cylinder, and the third cylinder 114 is arranged perpendicular to the column 42.

[0055] like Figure 9 As shown, the fifth side positioning frame 13 includes a cylinder seat 131 fixedly set on the mounting seat 12, and a fourth cylinder 132 is fixedly set on one side of the cylinder seat 131. The movable end of the fourth cylinder 132 is fixedly set with a core shaft 133, and the other end of the core shaft 133 is fixedly set with a top 134. Through the fourth cylinder 132, the core shaft 133 drives the top 134 to move toward the end of the bridge housing and fit with the bridge housing. With the cooperation of the tops 134 on the left and right sides, the axial direction of the bridge housing is positioned. On the contrary, when the tops 134 on the left and right sides move away from each other at the same time, the positioning of the bridge housing is released.

[0056] Working principle of the present invention: Step 1: Place the axle housing on the floating plate 41. At this time, the opening direction of the axle housing deceleration chamber is set downward. The floating plate 41 moves downward under the gravity of the axle housing. The floating plate 41 squeezes the spring 43, and as the axle housing moves downward, the plug-in column 112 can be inserted into the hole groove of the axle housing;

[0057] Step 2: Start the pneumatic hydraulic chuck 2, so that the gripper drives the claw 3 to move outward at the same time to position the inner side of the axle housing reduction cavity;

[0058] Step 3: Start the first cylinder 53 to flip the first positioning block 54 downward and fit it against the axle housing to position the axle housing in the radial direction;

[0059] Step 4: Start the second cylinder 62 to move the left and right clamping jaws outward simultaneously, so that the first positioning pins 63 on the left and right sides are inserted into the corresponding holes and grooves on the axle housing to position the axle housing in the radial direction;

[0060] Step 5: Start the third cylinder 114, so that the left and right clamping claws drive the extended claws 115 to move outward at the same time, so that the left and right extended claws 115 are inserted into the corresponding holes and grooves on the axle housing at the same time, and the axle housing is positioned in the radial direction;

[0061] Step 6: Start the fourth cylinder 132, so that the core shafts 133 on the left and right sides drive the tips 134 to simultaneously approach and fit with the ends of the axle housing, thereby positioning the axle housing in the axial direction;

[0062] Step 7: Manually operate the first clamp quick clamp 83 to move the second positioning block 84 toward the axle housing and fit it with the axle housing. At this time, the positioning hole 85 cooperates with the positioning column on the axle housing to position the axle housing in the radial direction.

[0063] Step 8: Manually operate the second clamp quick clamp 93 to move the third positioning block 94 toward the axle housing and fit it with the axle housing. At this time, the top cone 95 is inserted into the corresponding hole groove on the axle housing to position the axle housing in the radial direction.

[0064] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A welding fixture for axle housing multi-link bracket, characterized by: including a welding table (1); A central positioning mechanism provided on the welding table (1) for positioning the deceleration cavity of the axle housing; The center positioning mechanism comprises a pneumatic hydraulic chuck (2), a gripper of the pneumatic hydraulic chuck (2) is fixedly provided with a claw (3), and a top of the pneumatic hydraulic chuck (2) is provided with a floating support assembly (4) for supporting the axle housing; A first side positioning mechanism and a second side positioning mechanism provided on both sides of the central positioning mechanism are used to position the axle housing in a radial direction; The first side positioning mechanism comprises a first side positioning frame (5) and a second side positioning frame (6), and the first side positioning frame (5) and the second side positioning frame (6) are slidably connected to the welding table (1) via a first slide plate (7); The second side positioning mechanism comprises a third side positioning frame (8) and a fourth side positioning frame (9), and the third side positioning frame (8) and the fourth side positioning frame (9) are both slidably connected to the welding table (1) via a second slide plate (10); The third side positioning mechanisms provided on the other two sides of the central positioning mechanism are used to position the axle housing in the axial direction; The third side positioning mechanism comprises a mounting seat (12), the mounting seat (12) is fixedly arranged on the welding table (1), and a fifth side positioning frame (13) is fixedly arranged on the mounting seat (12).

2. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The floating support assembly (4) comprises a floating plate (41), the floating plate (41) is arranged parallel to the welding table (1), and columns (42) are fixedly connected below both ends of the floating plate (41), a spring (43) is fixedly arranged at the top end of the column (42), and the other end of the spring (43) is fixedly connected to the floating plate (41).

3. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The first side positioning frame (5) comprises a first base plate (51), a first angle bracket (52) is fixedly provided on the first base plate (51), a first cylinder (53) is fixedly provided on the first angle bracket (52), and a first positioning block (54) is fixedly provided on the movable end of the first cylinder (53).

4. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The second side positioning frame (6) comprises a second angle seat frame (61), a second cylinder (62) is fixedly provided on the second angle seat frame (61), and a first positioning pin (63) is fixedly provided on the clamping jaw of the second cylinder (62).

5. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The third side positioning frame (8) comprises a second base plate (81), a third angle bracket (82) is fixedly provided on the second base plate (81), a first clamp quick clamp (83) is fixedly provided on the third angle bracket (82), a second positioning block (84) is fixedly provided on the movable end of the first clamp quick clamp (83), and a positioning hole (85) is provided on the second positioning block (84).

6. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The fourth side positioning frame (9) comprises a third bottom plate (91), a fourth corner seat (92) is fixedly provided on the third bottom plate (91), a second clamp quick clamp (93) is fixedly provided on the fourth corner seat (92), a third positioning block (94) is fixedly provided on the movable end of the second clamp quick clamp (93), and a top cone (95) is fixedly provided on the third positioning block (94).

7. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The invention also includes a side support positioning frame (11) arranged on the first slide plate (7) for positioning the bridge housing in a radial direction, wherein the side support positioning frame (111) is arranged between the first side positioning frame (5) and the second side positioning frame (6), and the side support positioning frame (111) includes a fourth base plate (111), a plug-in column (112) is fixedly arranged on the fourth base plate (111), a fifth angle seat (113) is fixedly arranged on one side of the plug-in column (112), a third cylinder (114) is fixedly arranged on the fifth angle seat (113), and an extension claw (115) is fixedly arranged on the clamping claw of the third cylinder (114).

8. The axle housing multi-link bracket welding fixture according to claim 1, characterized in that: The fifth side positioning frame (13) comprises a cylinder seat (131) fixedly arranged on the mounting seat (12), a fourth cylinder (132) fixedly arranged on one side of the cylinder seat (131), a core shaft (133) fixedly arranged on the movable end of the fourth cylinder (132), and a top (134) fixedly arranged on the other end of the core shaft (133).

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