A welding device for axle assembly

Abstract

The present invention relates to the technical field of vehicle axle assembly, and in particular to a welding device for vehicle axle assembly, comprising an assembly frame and a welding body arranged on one side of the assembly frame, an assembly frame being arranged on the assembly frame, an axle body being arranged on the assembly frame, and a flipping mechanism for driving the assembly frame to flip, the flipping mechanism comprising a limiting cavity provided at the top of one end of the assembly frame, and a movable transverse shaft fixedly arranged at the other end of the assembly frame and rotating with the assembly frame through a bearing, a transmission transverse shaft extending to the inside of the limiting cavity being fixedly arranged at one end of the assembly frame. The present invention is conducive to more accurate welding position of the axle, significantly improving the effect of axle assembly welding, improving the quality of axle assembly welding, expanding the scope of application of the welding device, and preventing the occurrence of inaccurate welding at the connection between the two parts of the axle, which causes poor axle welding effect.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle axle assembly, and in particular to a welding device for vehicle axle assembly. Background Art

[0002] The axle is connected to the frame through the suspension. Its function is to bear the load of the car and maintain the normal driving of the car on the road. The integral axle is usually assembled and welded by multiple parts. After searching, the Chinese patent publication number CN113695812A discloses an axle welding device, including a track, a support, a welding frame, a steering mechanism, and a lifting mechanism. The device drives the welding arm to rotate horizontally to different angles through the steering mechanism to meet the comprehensive welding needs at different angles. However, the welding position of the connection between the two parts of the axle cannot be accurately welded, resulting in poor axle welding effect, which affects the quality of the axle assembly welding to a certain extent. In addition, the axle lacks a limit when fixed, which makes the stability of the axle insufficient and difficult to meet actual use needs. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a welding device for axle assembly, which solves the problem in the prior art that the connection between two parts of the axle cannot be accurately welded, resulting in poor welding effect.

[0004] To solve the above technical problems, the present invention provides the following technical solutions: a welding device for axle assembly, comprising an assembly frame and a welding body arranged on one side of the assembly frame, wherein the assembly frame is provided with an assembly frame, the axle body is provided on the assembly frame, and the assembly frame is further provided with a flipping mechanism for driving the assembly frame to flip;

[0005] The flipping mechanism includes a limiting cavity opened at the top of one end of the assembly frame, and a movable horizontal shaft fixedly arranged at the other end of the assembly frame and rotating with the assembly frame through a bearing. A transmission horizontal shaft extending to the inner side of the limiting cavity is fixedly arranged at one end of the assembly frame, and a rotating assembly for driving the transmission horizontal shaft to rotate is arranged on the inner side of the limiting cavity. A driving assembly for driving the rotating assembly to operate is arranged on the assembly frame. The flipping mechanism also includes a limiting assembly arranged on one side inside the limiting cavity for limiting the assembly frame.

[0006] Preferably, the rotating assembly includes a rotating horizontal shaft arranged at the bottom inner side of the limiting cavity and rotatably connected to the assembly frame through a bearing, a transmission chain is connected between the transmission horizontal shaft and the rotating horizontal shaft through a pulley, a transmission gear is fixedly provided at one end of the rotating horizontal shaft, and a movable rack is meshed and connected to the bottom of the transmission gear, and a strip-shaped slide groove is provided at the bottom of the limiting cavity and is slidably connected to the movable rack.

[0007] Preferably, a limiting wedge is fixed at one end of the movable rack, a movable push frame is provided on one side of the limiting wedge for sliding connection with the limiting cavity, a movable wedge is fixed at the other end of the movable rack, and the two ends inside the movable push frame are matched with the limiting wedge and one side of the movable wedge respectively.

[0008] Preferably, the driving assembly includes a movable push block fixedly arranged on one side of the movable push frame, and the movable push block passes through one end of the bottom of the assembly frame and is slidably connected thereto. A cylinder for driving the movable push block is provided at one end of the movable push block, and the cylinder is fixedly connected to the assembly frame.

[0009] Preferably, the limit assembly includes a movable connecting rod arranged at the top of one end of the movable push frame, a limit block is fixedly provided on the top of the movable connecting rod, an arc-shaped slot is opened at one end of the assembly frame, and the limit block passes through one end of the top of the assembly frame and matches the arc-shaped slot.

[0010] Preferably, the assembly frame is provided with a locking mechanism for fixing the axle body, and the locking mechanism includes a limiting horizontal plate fixedly arranged at both ends of the inner side of the assembly frame, and a V-shaped groove opened on the limiting horizontal plate, and the two ends of the axle body are respectively matched with the two V-shaped grooves.

[0011] Preferably, movable pressure plates hinged to the limiting transverse plate are provided at the tops of both ends of the axle body, and screws fixed to the limiting transverse plate through threaded connection are provided at one end of the movable pressure plate.

[0012] By means of the above technical solution, the present invention provides a welding device for axle assembly, which has at least the following beneficial effects compared to the prior art:

[0013] 1. The present invention adjusts the angle of the axle body on the assembly frame by providing a flip mechanism. When the axle body is assembled and welded, the angle of the axle body is adjusted by cooperating with the rotating assembly and the driving assembly, and then the axle body is welded by the welding body. The structure is simple and reasonable, which is conducive to more accurate welding position of the axle, so that the effect of axle assembly welding is significantly improved, the quality of axle assembly welding is improved, the application scope of the welding device is expanded, and the situation of poor axle welding effect caused by inaccurate welding at the connection between the two parts of the axle is prevented.

[0014] 2. The present invention provides support when the assembly frame is not rotated by setting a limit component. When the assembly frame rotates, the movable connecting rod on its top is driven by the limit wedge block. At the same time, the assembly frame rotates upward first, and the limit block slowly rotates around the transmission horizontal axis inside the arc-shaped slot. At the same time, the limit block is separated from the arc-shaped slot, which is beneficial to improve the stability of the assembly frame for easy use.

[0015] 3. The present invention clamps and fixes the axle body on the assembly frame by setting a locking mechanism. The two ends of the axle body are respectively in the V-shaped grooves on the limiting horizontal plate. At the same time, the axle body is fixed and pressed on the limiting horizontal plate by a movable pressure plate, so that the axle body is more stable during welding, and the welding of the axle body is not affected when the axle body is flipped along with the assembly frame, thereby improving the working efficiency of the assembly welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a side perspective cross-sectional view of the present invention;

[0019] Figure 3 It is an exploded schematic diagram of the rotating assembly of the present invention;

[0020] Figure 4 An exploded schematic diagram of the locking mechanism of the present invention;

[0021] Figure 5 It is an exploded schematic diagram of the rotating assembly and the driving assembly of the present invention.

[0022] In the figure: 1. Assembly frame; 2. Welding body; 3. Assembly frame; 4. Axle body; 5. Turning mechanism; 51. Limiting cavity; 52. Movable horizontal axis; 53. Transmission horizontal axis; 54. Rotating assembly; 541. Rotating horizontal axis; 542. Transmission chain; 543. Transmission gear; 544. Movable rack; 545. Strip slide; 546. Limiting wedge; 547. Movable push frame; 548. Movable wedge; 55. Driving assembly; 551. Movable push block; 552. Cylinder; 56. Limiting assembly; 561. Movable connecting rod; 562. Limiting block; 563. Arc-shaped slot; 6. Locking mechanism; 61. Limiting horizontal plate; 62. V-shaped slot; 63. Movable pressure plate. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0024] Example 1

[0025] Figure 1-Figure 5 This is an embodiment of the present invention: a welding device for axle assembly, including an assembly rack 1, and a welding body 2 arranged on one side of the assembly rack 1, the welding body 2 is a welding robot arm, and the welding robot arm is common knowledge to those skilled in the art. Its internal structure is not described in detail in this scheme. An assembly frame 3 is provided on the assembly rack 1, and an axle body 4 is provided on the assembly frame 3. The cross-section of the assembly rack 1 is set to a U shape, and the assembly frame 3 and the axle body 4 can be placed on the assembly rack 1, which is conducive to more convenient welding of the axle body 4 without being blocked. The assembly rack 1 is also provided with a flipping mechanism 5 for driving the assembly frame 3 to flip.

[0026] The flipping mechanism 5 includes a limiting cavity 51 provided at the top of one end of the assembly frame 1, and a movable horizontal shaft 52 fixedly provided at the other end of the assembly frame 3 and rotating with the assembly frame 1 through a bearing. A transmission horizontal shaft 53 extending to the inner side of the limiting cavity 51 is fixedly provided at one end of the assembly frame 3. A rotating assembly 54 for driving the transmission horizontal shaft 53 to rotate is provided inside the limiting cavity 51. The rotating assembly 54 drives the rotating horizontal shaft to rotate, and the transmission horizontal shaft 53 drives the assembly frame 3 to rotate. The assembly frame 3 drives the movable horizontal shaft 52 to rotate on the assembly frame 1, so that the assembly frame 3 is more stable during rotation. A driving assembly 55 for driving the rotating assembly 54 is provided on the assembly frame 1. The flipping mechanism 5 also includes a limiting assembly 56 provided on one side inside the limiting cavity 51 for limiting the assembly frame 3.

[0027] The flipping mechanism 5 is used to adjust the angle of the axle body 4 on the assembly frame 3. When the axle body 4 is assembled and welded, the angle of the axle body 4 is adjusted by the cooperation of the rotating component 54 and the driving component 55, and then the axle body 4 is welded through the welding body 2, which is conducive to more accurate welding position of the axle and improves the effect of axle assembly welding.

[0028] Specifically, the rotating assembly 54 includes a rotating horizontal shaft 541 arranged at the bottom of the inner side of the limiting cavity 51 and rotatably connected to the assembly frame 1 through a bearing, a transmission chain 542 is connected between the transmission horizontal shaft 53 and the rotating horizontal shaft 541 through a pulley transmission, a transmission gear 543 is fixedly provided at one end of the rotating horizontal shaft 541, and a movable rack 544 is meshed and connected at the bottom of the transmission gear 543, a strip-shaped slide groove 545 is provided at the bottom of the limiting cavity 51 and is slidably connected to the movable rack 544, and a limiting wedge is fixed at one end of the movable rack 544 Block 546, a movable push frame 547 is provided on one side of the limiting wedge block 546, which is slidably connected to the limiting cavity 51, and a movable wedge block 548 is fixed to the other end of the movable rack 544. The two ends inside the movable push frame 547 are respectively matched with the limiting wedge block 546 and one side of the movable wedge block 548. When the movable push frame 547 moves, it pushes the movable wedge block 548 to move, and the movable wedge block 548 drives the movable rack 544 to move. The movable rack 544 drives the limiting wedge block 546 to move, and the limiting wedge block 546 matches one side of the movable push frame 547.

[0029] Specifically, the driving assembly 55 includes a movable push block 551 fixedly arranged on one side of the movable push frame 547, and the movable push block 551 passes through one end of the bottom of the assembly rack 1 and is slidably connected thereto. A cylinder 552 for driving the movable push block 551 is provided at one end thereof, and the cylinder 552 is fixedly connected to the assembly rack 1.

[0030] Specifically, the limit assembly 56 includes a movable connecting rod 561 arranged at the top of the movable push frame 547, and a limit block 562 is fixedly arranged on the top of the movable connecting rod 561. An arc-shaped slot 563 is opened at one end of the assembly frame 3, and the limit block 562 passes through one end of the top of the assembly rack 1 and matches the arc-shaped slot 563. When the movable push frame 547 drives the movable connecting rod 561 at its top to move, the assembly frame 3 rotates upward first, and the limit block 562 slowly rotates around the transmission horizontal axis 53 inside the arc-shaped slot 563. At the same time, the limit block 562 separates from the arc-shaped slot 563, which can improve the stability of the assembly frame 3.

[0031] The specific implementation process of this embodiment is as follows: the axle body 4 on the assembly frame 3 is welded by the welding body 2. When the connection between the two parts of the axle body 4 cannot be welded, the cylinder 552 is then started. The output end of the cylinder 552 pushes the movable push block 551 at its end to move. The movable push block 551 pushes the movable push frame 547 on one side to move. The movable push frame 547 pushes the movable wedge block 548 on one side to move. The movable wedge block 548 pushes the movable rack 544 on one side to move. The movable rack 544 drives the transmission gear at the top. The wheel 543 rotates, and the transmission gear 543 drives the rotating horizontal shaft 541 at its axis to rotate. The rotating horizontal shaft 541 drives the transmission horizontal shaft 53 to rotate through the transmission chain 542. The transmission horizontal shaft 53 drives the assembly frame 3 at one end thereof to rotate. The assembly frame 3 drives the movable horizontal shaft 52 to rotate on the assembly rack 1. At the same time, the assembly frame 3 drives the axle body 4 to rotate, and adjusts the inclination angle of the axle body 4 so that the welding body 2 can weld the connection between the two parts of the axle body 4 to meet the welding requirements of different positions.

[0032] Example 2

[0033] refer to Figure 4 , which is basically the same as the first embodiment, but is further optimized in that: a locking mechanism 6 for fixing the axle body 4 is provided on the assembly frame 3, and the locking mechanism 6 includes a limiting transverse plate 61 provided at both ends of the inner side of the assembly frame 3, the limiting transverse plate 61 and the assembly frame 3 are fixed by bolt connection, and a V-shaped groove 62 is provided on the limiting transverse plate 61, and the two ends of the axle body 4 are respectively matched with the two V-shaped grooves 62, and the top of both ends of the axle body 4 is provided with a movable pressure plate 63 hingedly connected to the limiting transverse plate 61, and one end of the movable pressure plate 63 is provided with a screw fixed to the limiting transverse plate 61 by a threaded connection.

[0034] The specific implementation process of this embodiment is as follows: when placing the axle body 4, first adjust the distance between the two limiting horizontal plates 61 according to the size of the axle body 4, then place the two ends of the axle body 4 on the inner sides of the V-shaped grooves 62 on the limiting horizontal plates 61, and then rotate the movable pressure plate 63, the movable pressure plate 63 and the limiting horizontal plate 61 fit together, and then tighten the screws on the movable pressure plate 63, so that the movable pressure plate 63 fixes the axle body 4 on the limiting horizontal plate 61, and then performs the welding operation.

[0035] During the actual use of this assembly welding device, the staff first adjusts the distance between the two limiting horizontal plates 61 according to the size of the welded axle body 4, and then places the two ends of the axle body 4 on the inner sides of the V-shaped grooves 62 on the limiting horizontal plates 61, and then rotates the movable pressure plate 63, and the movable pressure plate 63 and the limiting horizontal plate 61 fit together, and then tightens the screws on the movable pressure plate 63, and the movable pressure plate 63 fixes and presses the axle body 4 on the limiting horizontal plate 61, and then starts the welding body 2 to assemble and weld the axle body 4.

[0036] When the two parts of the axle body 4 cannot be welded, the cylinder 552 is started and the cylinder 552 starts to operate. The output end of the cylinder 552 pushes the movable push block 551 at its end to move, and the movable push block 551 pushes the movable push frame 547 on one side to move. The movable push frame 547 drives the movable connecting rod 561 at its top to move, and the movable connecting rod 561 drives the limit block 562 at its top to move, and the limit block 562 is separated from the arc groove 563. At the same time, the movable push frame 547 pushes the movable wedge 548 on one side to move, and the movable wedge 548 pushes one side of it. The movable rack 544 on the side moves, and the movable rack 544 drives the transmission gear 543 on its top to rotate, and the transmission gear 543 drives the rotating horizontal shaft 541 at its axis to rotate, and the rotating horizontal shaft 541 drives the transmission horizontal shaft 53 to rotate through the transmission chain 542, and the transmission horizontal shaft 53 drives the assembly frame 3 at one end thereof to rotate, and the assembly frame 3 drives the movable horizontal shaft 52 to rotate on the assembly rack 1, and at the same time, the assembly frame 3 drives the axle body 4 to rotate, and adjusts the inclination angle of the axle body 4 so that the welding body 2 can weld the connection between the two parts of the axle body 4.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for axle assembly, comprising an assembly frame (1) and a welding body (2) arranged on one side of the assembly frame (1), characterized in that: An assembly frame (3) is provided on the assembly rack (1), an axle body (4) is provided on the assembly frame (3), and a turning mechanism (5) for driving the assembly frame (3) to turn over is also provided on the assembly rack (1); The flip mechanism (5) includes a limiting cavity (51) provided at the top of one end of the assembly frame (1), and a movable transverse shaft (52) fixedly provided at the other end of the assembly frame (3) and rotating with the assembly frame (1) through a bearing, a transmission transverse shaft (53) extending to the inner side of the limiting cavity (51) is fixedly provided at one end of the assembly frame (3), a rotating assembly (54) for driving the transmission transverse shaft (53) to rotate is provided inside the limiting cavity (51), a driving assembly (55) for driving the rotating assembly (54) to operate is provided on the assembly frame (1), and the flip mechanism (5) further includes a limiting assembly (56) provided on one side of the limiting cavity (51) for limiting the assembly frame (3); The rotating assembly (54) includes a rotating transverse shaft (541) arranged at the bottom of the inner side of the limiting cavity (51) and rotatably connected to the assembly frame (1) through a bearing, a transmission chain (542) is connected between the transmission transverse shaft (53) and the rotating transverse shaft (541) through a pulley transmission, a transmission gear (543) is fixedly arranged at one end of the rotating transverse shaft (541), and a movable rack (544) is meshed and connected at the bottom of the transmission gear (543), and the bottom of the limiting cavity (51) is opened. A strip-shaped slide groove (545) is provided which is slidably connected to a movable rack (544); a limiting wedge block (546) is fixed at one end of the movable rack (544); a movable push frame (547) which is slidably connected to the limiting cavity (51) is provided on one side of the limiting wedge block (546); a movable wedge block (548) is fixed at the other end of the movable rack (544); and the two ends inside the movable push frame (547) are matched with one side of the limiting wedge block (546) and the movable wedge block (548), respectively.

2. The assembly welding device for axle assembly according to claim 1, characterized in that: The driving assembly (55) includes a movable push block (551) fixedly arranged on one side of the movable push frame (547), and the movable push block (551) passes through one end of the bottom of the assembly frame (1) and is slidably connected thereto. A cylinder (552) for driving the movable push block (551) is provided at one end thereof, and the cylinder (552) is fixedly connected to the assembly frame (1).

3. The welding device for axle assembly according to claim 1, characterized in that: The limiting assembly (56) comprises a movable connecting rod (561) arranged at the top of one end of the movable push frame (547), a limiting card block (562) is fixedly arranged on the top of the movable connecting rod (561), an arc-shaped card slot (563) is opened at one end of the assembly frame (3), and the limiting card block (562) passes through one end of the top of the assembly frame (1) and matches the arc-shaped card slot (563).

4. The welding device for axle assembly according to claim 1, characterized in that: The assembly frame (3) is provided with a locking mechanism (6) for fixing the axle body (4), the locking mechanism (6) comprising a limiting transverse plate (61) fixedly provided at both ends of the inner side of the assembly frame (3), and a V-shaped groove (62) provided on the limiting transverse plate (61), and the two ends of the axle body (4) are matched with the two V-shaped grooves (62) respectively.

5. The assembly welding device for axle assembly according to claim 4, characterized in that: The tops of both ends of the axle body (4) are provided with movable pressure plates (63) hingedly connected to the limiting transverse plate (61), and one end of the movable pressure plate (63) is provided with a screw that is fixed to the limiting transverse plate (61) through a threaded connection.

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