Automatic nut welding device

Abstract

This utility model relates to the field of nut processing technology. Specifically, it discloses an automatic nut welding device, including a nut vibration conveying device body and a welding device body, further comprising a nut feeding assembly, a workpiece positioning assembly, and a dust recovery assembly. The nut feeding assembly includes a fixed base, a mounting base rotatably mounted on the fixed base, a first support rod rotatably mounted on the mounting base, a first support seat slidably mounted on the first support rod, a second support seat rotatably mounted on the first support seat, and a cylinder mounted on the second support seat. A nut feeding head is mounted on the piston rod of the cylinder. The advantage of this utility model is that by adjusting the position of the nut feeding assembly, the nut feeding head can accurately place the nut at the welding position on the workpiece. The workpiece positioning assembly can press and fix the workpiece on the welding worktable, and the spring is compressed, thereby improving the workpiece fixing effect.

Description

Technical Field

[0001] This utility model relates to the field of nut processing technology, and in particular to an automatic nut welding device. Background Technology

[0002] During the production and processing of battery casings, nuts need to be welded onto the casings to facilitate the subsequent installation and fixation of components onto the battery casings. Welded nuts solve the problem that ordinary nuts cannot fix the main body, and welded nuts have good strength and are easy to install bolts, so their usage is increasing. Welded nuts are generally welded using resistance welding. Welded nuts include round welded nuts, square welded nuts, hexagonal welded nuts, etc. One side of the welded nut has multiple welding feet and round bosses. The round bosses are used for positioning, and the welding feet are used for welding.

[0003] Existing nut welding devices make it difficult to adjust the nut's feeding position after it is positioned, which makes it inconvenient to weld different parts. Furthermore, it is difficult to absorb the fumes and debris generated during welding, reducing the applicability of automatic nut welding devices. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this application provides an automatic nut welding device.

[0005] This application provides an automatic nut welding device, which adopts the following technical solution:

[0006] An automatic nut welding device includes a nut vibration conveying device body and a welding device body, and further includes a nut feeding assembly, a workpiece positioning assembly, and a dust recovery assembly. The welding device body is equipped with a welding worktable. The nut feeding assembly includes a fixed base, which is fixedly mounted on the welding device body. A mounting base is rotatably mounted on the fixed base. A first support rod is rotatably mounted on the mounting base. A first support seat is slidably mounted on the first support rod. A second support seat is rotatably mounted on the first support seat. A cylinder is mounted on the second support seat. A nut feeding head is mounted on the piston rod of the cylinder. The nut feeding head is connected to the nut vibration conveying device body via a nut conveyor belt. The workpiece positioning assembly includes a positioning seat, which is mounted on a lifting seat of the welding device body. Multiple positioning rods are evenly arranged along the length of the positioning seat. A contact block is provided at the bottom of each positioning rod. A spring is sleeved on each positioning rod, with one end connected to the contact block and the other end connected to the positioning seat.

[0007] By adopting the above technical solution, the user places the parts to be welded on the welding worktable, and then adjusts the positions of the mounting base, the first support rod, the first support seat, and the second support seat respectively. This allows the user to adjust the relative position of the nut loading head, enabling the nut loading head to place the nut more accurately at the welding position on the workpiece. Then, the user drives the lifting seat of the welding device body to move, thereby moving the upper electrode of the welding device body towards the lower electrode. During the movement of the lifting seat of the welding device body, the positioning seat moves synchronously, and during the movement of the positioning seat, the positioning rod moves synchronously. During the movement of the positioning rod, the contact block first contacts the workpiece and presses it down, stabilizing the workpiece on the welding worktable. The reaction force compresses the spring, thereby improving the fixing effect on the workpiece.

[0008] Optionally, the mounting base is rotatably mounted on a fixed base via a first rotating shaft. A first worm gear is coaxially mounted on the first rotating shaft. A first drive motor is fixedly mounted on the fixed base. A first worm is coaxially mounted on the output shaft of the first drive motor, and the first worm meshes with the first worm gear. A second worm gear is coaxially mounted on the first support rod. A second drive motor is fixedly mounted on the mounting base. A second worm is coaxially mounted on the output shaft of the second drive motor, and the second worm meshes with the second worm gear. A second support base is rotatably mounted on a first support base via a second rotating shaft. A third worm gear is coaxially mounted on the second rotating shaft. A third motor is fixedly mounted on the first support base. A third worm is coaxially mounted on the output shaft of the third motor, and the third worm meshes with the third worm gear.

[0009] By adopting the above technical solution, the start and stop of the first drive motor, the second drive motor and the third drive motor are controlled respectively, thereby adjusting the position of the material head on the nut to a certain extent, so as to make it easier to place the nut stably on the workpiece.

[0010] Optionally, a rack is provided on the first support rod along its own length direction, a movable motor is fixedly provided on the first support base, and a gear is coaxially provided on the output shaft of the movable motor, the gear meshing with the rack.

[0011] By adopting the above technical solution, the first support seat will be driven to move along the length of the first support rod during the rotation of the mobile motor, thereby adjusting the position of the cylinder and the material head on the nut, which facilitates the adjustment of the position of the release nut.

[0012] Optionally, the bottom of the welding workbench is provided with a nut recovery hopper, the bottom of the nut recovery hopper is provided with a nut recovery box, and multiple through slots are evenly opened on the welding workbench.

[0013] By adopting the above technical solution, when the nut is worn out during the welding process, it can fall out of the through groove, and then fall into the nut recycling box after passing through the nut recycling hopper, thus facilitating the collection of these worn nuts for recycling.

[0014] Optionally, the dust recovery assembly includes a filter box and a blower. The filter box is located on one side of the welding device body, and the blower is connected to one side of the filter box. A conveying pipe is connected to the other side of the filter box, and the other end of the conveying pipe is connected to the side wall of the nut recovery hopper. A filter plate is installed inside the filter box.

[0015] By adopting the above technical solution, it is easy to extract the dust generated during the welding process. After passing through the conveying pipe, the dust is blocked by the filter plate and stays in the filter box, thus protecting the operator.

[0016] Optionally, a sealing plate is rotatably provided at the bottom of the nut recovery hopper.

[0017] By adopting the above technical solution, when no nut falls to the sealing plate, the sealing plate seals the bottom of the nut recovery hopper, which facilitates the blower to form negative pressure in the nut recovery hopper, thereby better adsorbing the dust generated during the welding process.

[0018] Optionally, multiple bullseye wheels are evenly arranged on the welding worktable.

[0019] By adopting the above technical solution, it is easier for workers to move the workpiece on the welding workbench.

[0020] Optionally, the positioning seat is rotatably mounted on the lifting seat of the welding device body, and the positioning seat is equipped with a positioning light.

[0021] By adopting the above technical solution, the positioning light emits colored light after being powered on, which makes it easier for workers to align the position of the workpiece to be welded with the electrodes on the welding device body.

[0022] This utility model has the following advantages:

[0023] 1. By setting up a nut feeding assembly and a workpiece positioning assembly, and adjusting the position of the nut feeding assembly, the nut feeding head can accurately place the nut at the welding position of the workpiece. The workpiece positioning assembly can press and fix the workpiece on the welding worktable, and the spring is compressed, thereby improving the fixing effect on the workpiece.

[0024] 2. By setting up a first worm gear, a first drive motor, a first worm, a second worm gear, a second drive motor, a second worm, a third worm gear, a third motor, and a third worm, the position of the material head on the nut can be adjusted to a certain extent by controlling the start and stop of the first drive motor, the second drive motor, and the third drive motor respectively, so as to make it easier to place the nut stably on the workpiece.

[0025] 3. By setting up nut recycling hoppers and nut recycling boxes, nuts that are worn out during the welding process can fall from the through groove, pass through the nut recycling hopper, and then fall into the nut recycling box, thus facilitating the collection and recycling of these worn nuts. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the installation structure of the dust recovery component of this utility model;

[0028] Figure 3 This is a schematic diagram of the installation structure of the first worm gear and the first worm of this utility model;

[0029] Figure 4 This is a schematic diagram of the installation structure of the third worm gear and the third worm of this utility model;

[0030] Figure 5 This is a schematic diagram of the installation structure of the bullseye wheel and the sealing plate of this utility model;

[0031] In the diagram: 1. Nut vibrating conveyor body; 2. Welding device body; 21. Welding workbench; 211. Bullseye wheel; 22. Nut recovery hopper; 221. Sealing plate; 23. Nut recovery box; 24. Through groove; 3. Nut feeding assembly; 31. Fixed seat; 32. Mounting seat; 33. First support rod; 34. First support base; 35. Second support base; 36. Cylinder; 37. Nut feeding head; 38. Nut conveyor belt; 4. Workpiece positioning assembly; 41. Positioning seat; 4 2. Positioning rod; 43. Contact block; 44. Spring; 45. Positioning light; 5. Dust recovery assembly; 51. Filter box; 52. Blower; 53. Conveying pipe; 54. Filter plate; 6. First rotating shaft; 61. First worm gear; 62. First drive motor; 63. First worm; 64. Second worm gear; 65. Second drive motor; 66. Second worm; 67. Third worm gear; 68. Third motor; 69. Third worm; 7. Rack; 71. Moving motor; 72. Gear. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0033] like Figures 1 to 5 As shown, an automatic nut welding device includes a nut vibration conveying device body 1 and a welding device body 2, and also includes a nut feeding assembly 3, a workpiece positioning assembly 4, and a dust recovery assembly 5. A welding worktable 21 is mounted on the welding device body 2. The nut feeding assembly 3 includes a fixed base 31, which is fixedly mounted on the welding device body 2. A mounting base 32 is rotatably mounted on the fixed base 31. A first support rod 33 is rotatably mounted on the mounting base 32. A first support seat 34 is slidably mounted on the first support rod 33. A second support seat 35 is rotatably mounted on the first support seat 34. A cylinder 36 is mounted on the second support seat 35. A nut loading head 37 is mounted on the piston rod of cylinder 36. The nut loading head 37 is connected to the nut vibration conveyor body 1 via nut conveyor belt 38. The workpiece positioning assembly 4 includes a positioning seat 41, which is set on the lifting seat of the welding device body 2. Multiple positioning rods 42 are evenly arranged on the positioning seat 41 along its length. A contact block 43 is provided at the bottom of the positioning rod 42. A spring 44 is sleeved on the positioning rod 42. One end of the spring 44 is connected to the contact block 43, and the other end is connected to the positioning seat 41. Due to the nut vibration conveyor body 1, welding device body 2, nut conveyor belt 38, and nut loading head 37, the workpiece positioning assembly 4 includes a positioning seat 41. All of the above are existing technologies, therefore, they will not be described in detail in this embodiment. In use, the user places the parts to be welded on the welding workbench 21, and then adjusts the positions of the mounting base 32, the first support rod 33, the first support base 34, and the second support base 35 respectively. This adjusts the relative position of the nut loading head 37 and the parts to be welded, allowing the nut loading head 37 to accurately place the nut at the welding position on the workpiece. Then, the cylinder 36 is moved, and the piston rod of the cylinder 36 extends away from the cylinder body, thereby driving the nut loading head 37 towards the workpiece. Finally, the nut vibration conveying device outputs one nut. The nut is on the workpiece, and then the lifting seat of the welding device body 2 is moved, thereby driving the upper electrode of the welding device body 2 to move towards the lower electrode. During the movement of the lifting seat of the welding device body 2, the positioning seat 41 will be moved synchronously. During the movement of the positioning seat 41, the positioning rod 42 will be moved synchronously. During the movement of the positioning rod 42, the contact block 43 first contacts the workpiece and presses the workpiece, so that the workpiece is stabilized on the welding worktable 21. The reaction force will compress the spring 44, thereby improving the fixing effect on the workpiece. Then the upper and lower electrodes of the welding device body 2 contact, thereby welding and fixing the nut to the workpiece.

[0034] like Figures 1 to 5As shown, the mounting base 32 is rotatably mounted on the fixed base 31 via the first rotating shaft 6. A first worm gear 61 is coaxially mounted on the first rotating shaft 6. A first drive motor 62 is fixedly mounted on the fixed base 31. A first worm 63 is coaxially mounted on the output shaft of the first drive motor 62, and the first worm 63 meshes with the first worm gear 61. A second worm gear 64 is coaxially mounted on the first support rod 33. A second drive motor 65 is fixedly mounted on the mounting base 32. A second worm 66 is coaxially mounted on the output shaft of the second drive motor 65, and the second worm 66 meshes with the second worm gear 64. A second support base 35 is rotatably mounted on the first support base 34 via the second rotating shaft. A third worm gear 67 is coaxially mounted on the second rotating shaft. A third motor 68 is fixedly mounted on the first support base 34. A third worm 69 is coaxially mounted on the output shaft of the third motor 68, and the third worm 69 meshes with the third worm gear 67. In use, when it is necessary to adjust the position of the nut loading head 37 to facilitate loading different workpieces... The first drive motor 62 is started. During its rotation, the first drive motor 62 drives the first worm gear 63 to rotate, which in turn drives the first worm wheel 61 to rotate. The first worm wheel 61 then drives the mounting base 32 to rotate around the first shaft 6. The second drive motor 65 is then started. During its rotation, the second drive motor 65 drives the second worm gear 66 to rotate synchronously, which in turn drives the second worm wheel 64 to rotate, thereby driving the first support rod 33 to rotate. The third drive motor is then started. During its rotation, the third drive motor drives the third worm gear 69 to rotate, which in turn drives the third worm wheel 67 to rotate, thereby driving the second support base 35 to rotate around the second shaft. By controlling the start and stop of the first drive motor 62, the second drive motor 65, and the third drive motor respectively, the position of the material head 37 on the nut can be adjusted to a certain extent, making it easier to place the nut stably on the workpiece.

[0035] like Figures 1 to 5 As shown, a rack 7 is fixedly installed on the first support rod 33 along its own length direction, and a moving motor 71 is fixedly installed on the first support base 34. A gear 72 is coaxially installed on the output shaft of the moving motor 71, and the gear 72 meshes with the rack 7. In use, the moving motor 71 is started, and the rotation of the moving motor 71 will drive the gear 72 to rotate. Since the gear 72 meshes with the rack 7, the rotation of the moving motor 71 will drive the first support base 34 to move along the length direction of the first support rod 33, thereby adjusting the position of the cylinder 36 and the material head 37 on the nut, so as to facilitate the adjustment of the position of the release nut.

[0036] like Figures 1 to 5As shown, a nut recycling hopper 22 is installed at the bottom of the welding workbench 21, and a nut recycling box 23 is installed at the bottom of the nut recycling hopper 22. Multiple through slots 24 are evenly distributed on the welding workbench 21. In use, when the workpiece is placed on the welding workbench 21, the nut loading head 37 releases the nut from the nut conveyor belt 38 onto the workpiece. During the welding process, nut wear caused by reasons such as the nut not being placed securely or poor welding can cause the nut to fall from the through slots 24, and then fall into the nut recycling box 23 after passing through the nut recycling hopper 22, thus facilitating the collection of these worn nuts for recycling.

[0037] like Figures 1 to 5 As shown, the dust recovery assembly 5 includes a filter box 51 and a blower 52. The filter box 51 is installed on one side of the welding device body 2, and the blower 52 is connected to one side of the filter box 51. A conveying pipe 53 is connected to the other side of the filter box 51, and the other end of the conveying pipe 53 is connected to the side wall of the nut recovery hopper 22. A filter plate 54 is installed inside the filter box 51. When in use, the blower 52 is started. During the rotation of the blower 52, the air inside the filter box 51 is drawn out, thereby creating a negative pressure inside the filter box 51, the conveying pipe 53, and the nut recovery hopper 22. This facilitates the suction of dust generated during the welding process. After passing through the conveying pipe 53, the dust is blocked by the filter plate 54 and remains inside the filter box 51, thus protecting the operator.

[0038] like Figures 1 to 5 As shown, a sealing plate 221 is rotatably installed at the bottom of the nut recovery hopper 22. In use, when a nut falls from the welding workbench 21 into the nut recovery hopper 22, the weight of the nut will push the sealing plate 221 to rotate, causing the nut to fall into the nut recovery box 23. When no nut falls to the sealing plate 221, the sealing plate 221 seals the bottom of the nut recovery hopper 22, which facilitates the blower 52 to form a negative pressure in the nut recovery hopper 22, thereby better adsorbing the dust generated during the welding process.

[0039] like Figures 1 to 5 As shown, multiple bullseye wheels 211 are evenly installed on the welding worktable 21. By evenly installing multiple bullseye wheels 211 on the welding worktable 21, it is convenient for the operator to move the workpiece on the welding worktable 21, so that the position to be welded on the workpiece is aligned with the welding electrode on the welding device body 2.

[0040] like Figures 1 to 5As shown, the positioning seat 41 is rotatably mounted on the lifting seat of the welding device body 2, and a positioning light 45 is installed on the positioning seat 41. In use, the positioning light 45 is powered on, and the positioning light 45 emits colored light, which makes it easier for the operator to align the position of the workpiece to be welded with the electrode on the welding device body 2. When the position of the workpiece to be welded is adjusted to a suitable position, the positioning seat 41 is rotated to move the positioning seat 41 to the top of the battery casing, so that when the nut is welded, the positioning rod 42 can press and fix the battery casing, improving the stability during welding. After the battery casing is welded, the positioning seat 41 is rotated to the side away from the battery casing, so that the battery casing can be removed from the welding worktable 21.

[0041] The implementation principle of this embodiment is as follows: The user places the parts to be welded on the welding worktable 21, and then adjusts the positions of the mounting base 32, the first support rod 33, the first support base 34, and the second support base 35 respectively, so as to adjust the relative position of the nut loading head 37, so that the nut loading head 37 can place the nut more accurately at the welding position of the workpiece. Then, the lifting seat of the welding device body 2 is driven to move, thereby driving the upper electrode of the welding device body 2 to move towards the lower electrode. During the movement of the lifting seat of the welding device body 2, the positioning seat 41 will be moved synchronously. During the movement of the positioning seat 41, the positioning rod 42 will be moved synchronously. During the movement of the positioning rod 42, the contact block 43 first contacts the workpiece and presses the workpiece, so that the workpiece is stabilized on the welding worktable 21. The reaction force will compress the spring 44, thereby improving the fixing effect on the workpiece.

[0042] The above description is merely a preferred embodiment of this utility model and does not constitute any limitation on this utility model. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this utility model. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of this utility model without departing from the scope of the technical solution of this utility model shall fall within the protection scope of this technical solution.

Claims

1. An automatic nut welding device, comprising a nut vibration conveying device body (1) and a welding device body (2), characterized in that: It also includes a nut feeding assembly (3), a workpiece positioning assembly (4), and a dust recovery assembly (5). The welding device body (2) is provided with a welding worktable (21). The nut feeding assembly (3) includes a fixed seat (31). The fixed seat (31) is fixedly mounted on the welding device body (2). A mounting seat (32) is rotatably mounted on the fixed seat (31). A first support rod (33) is rotatably mounted on the mounting seat (32). A first support seat (34) is slidably mounted on the first support rod (33). A second support seat (35) is rotatably mounted on the first support seat (34). A cylinder (36) is mounted on the second support seat (35). The piston rod of the cylinder (36) is provided with a nut loading head (37), which is connected to the nut vibration conveying device body (1) via a nut conveyor belt (38). The workpiece positioning assembly (4) includes a positioning seat (41), which is set on the lifting seat of the welding device body (2). Multiple positioning rods (42) are evenly arranged on the positioning seat (41) along its own length direction. A contact block (43) is provided at the bottom of the positioning rod (42). A spring (44) is sleeved on the positioning rod (42). One end of the spring (44) is connected to the contact block (43) and the other end is connected to the positioning seat (41).

2. The automatic nut welding device according to claim 1, characterized in that: The mounting base (32) is rotatably mounted on the fixed base (31) via a first rotating shaft (6). A first worm gear (61) is coaxially mounted on the first rotating shaft (6). A first drive motor (62) is fixedly mounted on the fixed base (31). A first worm (63) is coaxially mounted on the output shaft of the first drive motor (62). The first worm (63) meshes with the first worm gear (61). A second worm gear (64) is coaxially mounted on the first support rod (33). A second drive motor (65) is fixedly mounted on the mounting base (32). A second worm (66) is coaxially mounted on the output shaft of the second drive motor (65), and the second worm (66) meshes with the second worm wheel (64). The second support base (35) is rotatably mounted on the first support base (34) via the second rotating shaft, and a third worm wheel (67) is coaxially mounted on the second rotating shaft. A third motor (68) is fixedly mounted on the first support base (34), and a third worm (69) is coaxially mounted on the output shaft of the third motor (68), and the third worm (69) meshes with the third worm wheel (67).

3. The automatic nut welding device according to claim 2, characterized in that: A rack (7) is provided on the first support rod (33) along its own length direction, and a moving motor (71) is fixedly provided on the first support base (34). A gear (72) is coaxially provided on the output shaft of the moving motor (71), and the gear (72) meshes with the rack (7).

4. The automatic nut welding device according to claim 3, characterized in that: The bottom of the welding workbench (21) is provided with a nut recycling hopper (22), the bottom of the nut recycling hopper (22) is provided with a nut recycling box (23), and multiple through slots (24) are evenly opened on the welding workbench (21).

5. The automatic nut welding device according to claim 4, characterized in that: The dust recovery assembly (5) includes a filter box (51) and a blower (52). The filter box (51) is located on one side of the welding device body (2). The blower (52) is connected to one side of the filter box (51). A conveying pipe (53) is connected to the other side of the filter box (51). The other end of the conveying pipe (53) is connected to the side wall of the nut recovery bucket (22). A filter plate (54) is provided inside the filter box (51).

6. The automatic nut welding device according to claim 4, characterized in that: The bottom of the nut recycling hopper (22) is rotatably equipped with a sealing plate (221).

7. The automatic nut welding device according to claim 1, characterized in that: Multiple bullseye wheels (211) are evenly arranged on the welding workbench (21).

8. The automatic nut welding device according to claim 1, characterized in that: The positioning seat (41) is rotatably mounted on the lifting seat of the welding device body (2), and a positioning light (45) is installed on the positioning seat (41).

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