Automobile auxiliary frame welding positioning robot

Abstract

The utility model discloses an automobile auxiliary frame welding positioning robot which comprises a working table plate, a rotating disc is rotationally installed in the middle of the working table plate, a connecting column is fixedly installed at the bottom of the rotating disc, a first driving assembly for driving the rotating disc to rotate is arranged below the working table plate, and a clamping mechanism is arranged at the top of the rotating disc. First one-way screws are rotationally installed on the two sides of the working table plate, a second driving assembly for driving the two first one-way screws to rotate is arranged on one side of the working table plate, second moving blocks are in threaded connection with the first one-way screws, and a welding mechanism is arranged above the second moving blocks on the two sides. According to the welding and positioning robot for the automobile auxiliary frame, stable clamping of the automobile auxiliary frame is achieved through the clamping mechanism, movement of the auxiliary frame in the welding process is prevented, the first driving assembly drives the rotating disc to rotate, the automobile auxiliary frame can be moved to the preset welding position, and the welding efficiency is improved by being matched with rotation of the rotating disc. And multi-dimensional welding position adjustment can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts welding, and more specifically, to a welding positioning robot for automobile subframes. Background Technique

[0002] In the automobile manufacturing industry, as an important part of the automobile chassis, the welding quality and precision of the subframe are directly related to the safety performance, comfort and durability of the whole vehicle. With the rapid development of the automobile manufacturing industry and the continuous progress of automation technology, how to achieve the automation, high efficiency and high precision of the subframe welding process has become an important problem to be solved urgently.

[0003] In the traditional welding process, manually moving and adjusting the subframe to the predetermined welding position is not only time-consuming and laborious, but also difficult to achieve high-precision positioning, thus affecting the welding efficiency and precision. At the same time, when the traditional welding mechanism moves and adjusts the position of the welding torch, it is often limited by fixed tracks or mechanisms, and it is difficult to achieve multi-dimensional flexible movement and precise adjustment, thus unable to meet the requirements of different welding points. In view of the above problems, this device was invented. Content of the Utility Model

[0004] In order to overcome the above defects of the prior art, the utility model provides a welding positioning robot for automobile subframes to solve the problems raised in the above background technique.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: A welding positioning robot for automobile subframes includes a workbench plate. A turntable is rotatably installed at the middle position of the workbench plate. A connecting column is fixedly installed at the bottom of the turntable. A first driving assembly for driving the turntable to rotate is arranged below the workbench plate. A clamping mechanism is arranged on the top of the turntable. First one-way screws are rotatably installed on both sides of the workbench plate. A second driving assembly for driving the two first one-way screws to rotate is arranged on one side of the workbench plate. A second moving block is threadedly connected to the first one-way screw. A welding mechanism is arranged above the second moving blocks on both sides.

[0006] Further, legs are fixedly installed at the four corners of the bottom of the workbench plate.

[0007] Further, the first driving assembly includes a gear ring fixedly installed on the connecting column. The first driving assembly further includes a first motor fixedly installed at the bottom of the workbench plate. A gear meshingly connected to the gear ring is fixedly installed on the output shaft of the first motor.

[0008] Further, the clamping mechanism includes vertical plates fixedly installed on both sides of the top of the turntable. A bidirectional screw is rotatably installed between the vertical plates on both sides, and a guide rod is fixedly installed between the vertical plates on both sides. Both sides of the bidirectional screw are threadedly connected with first moving blocks, and the guide rod penetrates through the first moving blocks. A clamping frame is fixedly installed on the top of the first moving blocks.

[0009] Further, the second driving assembly includes a double-shaft motor arranged on one side of the workbench plate. Two support plates are fixedly installed on one side of the workbench plate. Transmission shafts are rotatably installed on both support plates, and the output shafts at both ends of the double-shaft motor are respectively connected to the two transmission shafts. A bevel gear set is arranged between the first one-way screw and the transmission shaft on the same side.

[0010] Further, the welding mechanism includes a top frame fixedly installed on the tops of the two second moving blocks. An installation groove is formed on the top of the top frame. A second one-way screw is rotatably installed on the top of the top frame. A third moving block is threadedly connected to the second one-way screw, and a welding torch is arranged at the bottom of the third moving block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model utilizes the clamping mechanism to achieve stable clamping of the automotive subframe, preventing the movement of the subframe during the welding process and ensuring the welding quality; by driving the turntable to rotate through the first driving assembly, the automotive subframe can be moved to the predetermined welding position, eliminating the need for manual movement and adjustment, significantly improving the welding efficiency and precision; the welding mechanism can flexibly move along the length direction of the workbench plate through the drive of the first one-way screw. In cooperation with the rotation of the turntable, multi-dimensional adjustment of the welding position can be achieved. The third motor on the welding mechanism drives the second one-way screw to rotate, thereby driving the welding torch to move and achieving precise adjustment of the position of the welding torch to meet the requirements of different welding points. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is the overall structural schematic diagram provided by the present utility model;

[0015] Figure 2 It is the top view of the overall structure provided by the present utility model;

[0016] Figure 3 It is the bottom view of the overall structure provided by the present utility model;

[0017] Figure 4Side view of the overall structure provided by the present utility model;

[0018] Figure 5 Schematic structural diagram of the clamping mechanism provided by the present utility model.

[0019] Explanation of reference numerals:

[0020] 1. Workbench board; 2. Turntable; 3. Connecting column; 4. First driving assembly; 401. Tooth ring; 402. First motor; 403. Gear; 5. Clamping mechanism; 501. Vertical plate; 502. Bidirectional screw; 503. Guide rod; 504. First moving block; 505. Clamping frame; 6. First unidirectional screw; 7. Second driving assembly; 701. Biaxial motor; 702. Frame plate; 703. Transmission shaft; 704. Bevel gear set; 8. Second moving block; 9. Welding mechanism; 901. Top frame; 902. Second unidirectional screw; 903. Third moving block; 904. Welding torch; 10. Leg. Specific implementation manners

[0021] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] In order to enable those skilled in the art of this technology to better understand the solution of this application, the following further detailed description of this application will be made in conjunction with the drawings and specific implementation manners.

[0023] Embodiment:

[0024] Refer to the attached Figure 1 , the automotive subframe welding positioning robot of this embodiment includes a workbench board 1, and legs 10 are fixedly installed at the four corners of the bottom of the workbench board 1.

[0025] Refer to the attached Figure 1 and Figure 3, a turntable 2 is rotatably installed at the middle position of the workbench plate 1. A connecting column 3 is fixedly installed at the bottom of the turntable 2. A first driving assembly 4 for driving the turntable 2 to rotate is arranged below the workbench plate 1. The first driving assembly 4 includes a gear ring 401 fixedly installed on the connecting column 3. The first driving assembly 4 further includes a first motor 402 fixedly installed at the bottom of the workbench plate 1. A gear 403 meshed with the gear ring 401 is fixedly installed on the output shaft of the first motor 402. When in use, the first motor 402 is turned on, and the output shaft of the first motor 402 drives the gear 403 to rotate, thereby realizing the rotation of the gear ring 401, the connecting column 3 and the turntable 2, enabling the automotive subframe to reach the predetermined welding position, realizing the precise positioning of the automotive subframe, and improving the welding efficiency.

[0026] Refer to the appendix Figure 1 and Figure 5 , a clamping mechanism 5 is arranged on the top of the turntable 2. The clamping mechanism 5 includes vertical plates 501 fixedly installed on both sides of the top of the turntable 2. A second motor is arranged on one of the vertical plates 501. A bidirectional screw 502 is rotatably installed between the two vertical plates 501. The output shaft of the second motor is connected to the bidirectional screw 502. A guide rod 503 is fixedly installed between the two vertical plates 501. One-way moving blocks 504 are threadedly connected to both sides of the bidirectional screw 502, and the guide rod 503 penetrates through the one-way moving blocks 504, thereby realizing the limitation of the one-way moving blocks 504 on both sides. A clamping frame 505 is fixedly installed on the top of the one-way moving block 504. During the use process, the automotive subframe is placed between the clamping frames 505 on both sides. Subsequently, the second motor is turned on, and the second motor drives the bidirectional screw 502 to rotate. During the rotation of the bidirectional screw 502, the one-way moving blocks 504 on both sides drive the clamping frames 505 on both sides to move towards each other, thereby realizing the clamping of the automotive subframe and preventing it from moving during the welding process.

[0027] Refer to the appendix Figure 1 and Figure 2 , one-way screws 6 are rotatably installed on both sides of the workbench plate 1. The one-way screws 6 are arranged along the length direction of the workbench plate 1. A second driving assembly 7 for driving the two one-way screws 6 to rotate is arranged on one side of the workbench plate 1. The second driving assembly 7 includes a double-shaft motor 701 arranged on one side of the workbench plate 1. Two mounting plates 702 are fixedly installed on one side of the workbench plate 1. Transmission shafts 703 are rotatably installed on the two mounting plates 702, and the output shafts at both ends of the double-shaft motor 701 are respectively connected to the two transmission shafts 703. A bevel gear set 704 is arranged between the one-way screw 6 and the transmission shaft 703 on the same side. When in use, the double-shaft motor 701 is turned on, and the output shafts at both ends of the double-shaft motor 701 drive the transmission shafts 703 on both sides to rotate. Under the connection of the bevel gear sets 704 on both sides, the one-way screws 6 on both sides rotate synchronously.

[0028] Refer to the appendixFigure 1 , Figure 2 and Figure 4 , a second moving block 8 is threadedly connected to the first one-way screw rod 6, welding mechanisms 9 are arranged above the two second moving blocks 8 on both sides, the two second moving blocks 8 on both sides move synchronously during the rotation of the first one-way screw rods 6 on both sides, and the welding mechanisms 9 move synchronously with the two second moving blocks 8 on both sides. The welding mechanism 9 includes a top frame 901 fixedly installed on the tops of the two second moving blocks 8. An installation groove is formed in the top of the top frame 901. A second one-way screw rod 902 is rotatably installed on the top of the top frame 901. A third motor is arranged on the top frame 901. The output shaft of the third motor is connected to the second one-way screw rod 902. A third moving block 903 is threadedly connected to the second one-way screw rod 902, and the width of the third moving block 903 is equal to the width value of the installation groove, thereby realizing the limitation of the third moving block 903. A welding torch 904 is arranged at the bottom of the third moving block 903. When in use, the third motor is turned on to realize the movement of the third moving block 903, and further realize the change of the position of the welding torch 904.

[0029] When this application is working, first place the automobile subframe in the clamping mechanism 5 on the turntable 2, fix it through the clamping mechanism 5, then drive the turntable 2 to rotate through the first driving assembly 4 so that the automobile subframe reaches the predetermined welding position, then drive the first one-way screw rod 6 to rotate through the second driving assembly 7, so that the second moving block 8 and the welding mechanism 9 move along the length direction of the workbench plate 1 to the welding position, and finally drive the welding torch 904 to perform precise welding through the third motor in the welding mechanism 9.

[0030] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The welding positioning robot for the automotive subframe includes a workbench plate (1), and is characterized in that: A turntable (2) is rotatably installed at the middle position of the workbench plate (1). A connecting column (3) is fixedly installed at the bottom of the turntable (2). A first driving assembly (4) for driving the turntable (2) to rotate is arranged below the workbench plate (1). A clamping mechanism (5) is arranged on the top of the turntable (2). First one-way screws (6) are rotatably installed on both sides of the workbench plate (1). A second driving assembly (7) for driving the two first one-way screws (6) to rotate is arranged on one side of the workbench plate (1). A second moving block (8) is threadedly connected to the first one-way screw (6). A welding mechanism (9) is arranged above the two second moving blocks (8).

2. The automotive subframe welding positioning robot according to claim 1, wherein: Legs (10) are fixedly installed at the four corners of the bottom of the workbench plate (1).

3. The automotive subframe welding positioning robot according to claim 1, wherein: The first driving assembly (4) includes a gear ring (401) fixedly installed on the connecting column (3). The first driving assembly (4) further includes a first motor (402) fixedly installed at the bottom of the workbench plate (1). A gear (403) meshed with the gear ring (401) is fixedly installed on the output shaft of the first motor (402).

4. The automotive subframe welding positioning robot according to claim 1, characterized in that: The clamping mechanism (5) includes vertical plates (501) fixedly installed on both sides of the top of the turntable (2). A bidirectional screw (502) is rotatably installed between the two vertical plates (501). A guide rod (503) is fixedly installed between the two vertical plates (501). First moving blocks (504) are threadedly connected to both sides of the bidirectional screw (502), and the guide rod (503) passes through the first moving blocks (504). A clamping frame (505) is fixedly installed at the top of the first moving block (504).

5. The automotive subframe welding positioning robot according to claim 1, wherein: The second driving assembly (7) includes a double-shaft motor (701) arranged on one side of the workbench plate (1). Two mounting plates (702) are fixedly installed on one side of the workbench plate (1). Transmission shafts (703) are rotatably installed on the two mounting plates (702), and the output shafts at both ends of the double-shaft motor (701) are respectively connected to the two transmission shafts (703). A bevel gear set (704) is arranged between the first one-way screw (6) and the transmission shaft (703) on the same side.

6. The welding positioning robot for the automotive subframe according to claim 1, characterized in that: The welding mechanism (9) includes a top frame (901) fixedly installed on the tops of the two second moving blocks (8). An installation groove is formed at the top of the top frame (901). A second one-way screw (902) is rotatably installed at the top of the top frame (901). A third moving block (903) is threadedly connected to the second one-way screw (902). A welding torch (904) is arranged at the bottom of the third moving block (903).

Images