Spot welding machine for multiple layers of saw blades

Abstract

The utility model discloses a spot welding machine for multiple layers of saw blades, which belongs to the technical field of welding equipment and comprises a mounting component, and a rotating component for rotating the multiple layers of saw blades is mounted on the mounting component. The rotating assembly comprises a fixing ring, a rotating assembly and a connecting assembly, the fixing ring, the rotating assembly and the connecting assembly are all connected with the mounting assembly, and the rotating assembly and the connecting assembly are both connected with the fixing ring; a spot welding assembly used for spot welding is installed on the rotating assembly, and the fixing ring is connected with the spot welding assembly. By means of the mode, the multi-layer saw blade can be rotated, the edge of the multi-layer saw blade can be subjected to spot welding at equal intervals in the circumferential direction, the polygonal sliding barrel drives the multi-layer saw blade to move upwards and then rotates the multi-layer saw blade, and rotation of the multi-layer saw blade cannot be affected by welding spots at the lower end of the multi-layer saw blade.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a spot welding machine for multi-layer saw blades. Background Art

[0002] A spot welder is a device used to perform spot welding operations. Spot welding is a method of joining metals by applying a high current at the contact point between two metal surfaces, causing the metals to generate high temperatures at the contact point, thereby achieving welding.

[0003] Chinese patent CN218487439U discloses a spot welding machine, including a workbench, a conveyor belt is arranged inside the workbench, a welding assembly is installed on the upper surface of the workbench at one side of the conveyor belt, a bracket is installed on the other side of the upper surface of the workbench, a slider is slidably installed inside the bracket, a grabbing assembly is arranged at one end of the slider close to the welding assembly, a driving assembly is arranged at one end of the slider away from the welding assembly, the welding assembly includes a guide rod, the guide rod is fixedly mounted on the upper surface of the workbench, a sliding sleeve is slidably mounted on the outer wall of the guide rod, a transverse electric slide rail is installed on one side of the sliding sleeve, a welding gun is installed on the lower surface of the moving end of the transverse electric slide rail, the other side outer wall of the sliding sleeve is fixedly connected to the output end of the cylinder, and the cylinder is mounted on the upper surface of the workbench.

[0004] However, this patent cannot perform welding of circular workpieces at equal intervals along the circumferential direction.

[0005] Based on this, the utility model designs a spot welding machine for multi-layer saw blades to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a spot welding machine for multi-layer saw blades.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A spot welder for a multi-layer saw blade includes a mounting assembly;

[0009] The mounting assembly is provided with a rotating assembly for rotating the multi-layer saw blade;

[0010] The rotating assembly includes a fixed ring, a rotating assembly and a connecting assembly, the fixed ring, the rotating assembly and the connecting assembly are all connected to the mounting assembly, and the rotating assembly and the connecting assembly are all connected to the fixed ring;

[0011] A spot welding assembly for spot welding is installed on the rotating assembly, and the fixing ring is connected to the spot welding assembly.

[0012] Furthermore, the mounting assembly includes a mounting frame and a connecting cover, the top ends of the mounting frame are fixedly connected to the connecting cover and the fixing ring respectively, and the rotating assembly and the connecting assembly are both connected to the mounting frame.

[0013] Furthermore, the rotating assembly includes a ring gear, a support frame, a motor and a gear. The top of the mounting frame is fixedly connected to the support frame, the upper end of the support frame is fixedly connected to the motor, the output end of the motor is fixedly connected to the gear, the ring gear is meshingly connected to the gear, the ring gear is connected to the connecting assembly, and the support frame, the motor and the gear are all located inside the connecting cover.

[0014] Furthermore, the gear ring is rotatably connected to the upper end of the fixed ring.

[0015] Furthermore, the connecting assembly includes a connecting plate, a polygonal slide, a connecting rod, a fixing, a block, a push block and a cylinder, one end of the connecting plate is fixedly connected to the gear ring, the other end of the connecting plate is slidably connected to the polygonal slide, the polygonal slide is fixedly connected to the block, the lower end of the block is in fit and contact with the upper end of the connecting plate, the upper end of the polygonal slide is fixedly connected to the connecting rod, the multi-layer saw blade is sleeved on the connecting rod, the upper end of the connecting rod is threadedly connected to the fixing, the upper and lower ends of the multi-layer saw blade are respectively in fit and contact with the fixing and the polygonal slide, the output end of the cylinder is fixedly connected to the push block, and the push block is located directly below the polygonal slide.

[0016] Furthermore, the cylinder is fixedly connected to the mounting frame.

[0017] Furthermore, the polygonal slide cylinder is located at the center of the gear ring.

[0018] Furthermore, the spot welding assembly includes a first electrode, a fixed block and a second electrode. The fixed block is fixedly connected to the inner wall of one end of the fixed ring away from the connection cover. The second electrode is fixedly connected to the fixed block. The first electrode is connected to an external driving structure.

[0019] The utility model has the following technical effects:

[0020] The connection cover of the utility model covers the rotating assembly to prevent objects from accidentally falling and getting stuck in the rotating assembly, thereby causing damage to the rotating assembly. At the same time, the multi-layer saw blades that need to be spot welded can be placed on the connection cover;

[0021] When installing the multi-layer saw blade, the installation hole in the middle of the multi-layer saw blade is sleeved on the connecting rod, and then the round hole in the middle of the fixing piece is aligned with the connecting rod, and the fixing piece is rotated until the multi-layer saw blade is fixed, and the installation is completed;

[0022] When the utility model rotates, the cylinder drives the push block to move upward, the push block drives the polygonal slide cylinder to move upward, the polygonal slide cylinder drives the multi-layer saw blade to move upward, the motor is started, the motor drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the connecting plate to rotate, the connecting plate drives the polygonal slide cylinder to rotate, the multi-layer saw blade rotates under the joint action of the polygonal slide cylinder, the fixing part and the connecting rod, and the rotation angle is the same each time;

[0023] The utility model can rotate the multi-layer saw blades, spot weld the edges of the multi-layer saw blades at equal intervals along the circumferential direction, and the polygonal slide tube drives the multi-layer saw blades to move upwards and then rotates the multi-layer saw blades, and the rotation of the multi-layer saw blades will not be affected by the welding spots at the lower ends of the multi-layer saw blades.

[0024] During welding of the utility model, after the multi-layer saw blades rotate, the external driving structure drives the first electrode to move downward, and the multi-layer saw blades are spot-welded under the joint action of the first electrode and the second electrode. After welding, the cylinder is started, and the cylinder drives the push block to move downward. The polygonal slide slides downward under the action of gravity until the lower end of the stop block abuts against the connecting plate. The above operation is repeated to rotate the multi-layer saw blades, and the next welding point is welded until the spot welding is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 The utility model is a three-dimensional spot welding machine for multi-layer saw blades Figure 1 ;

[0027] Figure 2 It is a front view of a spot welding machine for multi-layer saw blades of the utility model;

[0028] Figure 3 It is a left view of a spot welding machine for multi-layer saw blades of the utility model;

[0029] Figure 4 The utility model is a three-dimensional spot welding machine for multi-layer saw blades Figure 2 ;

[0030] Figure 5 For along Figure 3 AA direction cross-sectional view.

[0031] The numbers in the figure represent:

[0032] 1. Installation assembly; 11. Installation frame; 12. Connection cover; 2. Rotation assembly; 21. Fixed ring; 22. Rotation assembly; 221. Gear ring; 222. Support frame; 223. Motor; 224. Gear; 23. Connection assembly; 231. Connection plate; 232. Polygonal slide; 233. Connection rod; 234. Fixing piece; 235. Stop block; 236. Push block; 237. Cylinder; 3. Spot welding assembly; 31. First electrode; 32. Fixed block; 33. Second electrode; 4. Multi-layer saw blade. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The utility model is further described below in conjunction with embodiments.

[0035] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0036] Example 1

[0037] Please refer to the instruction manual Figure 1-5 , a spot welding machine for a multi-layer saw blade, comprising a mounting assembly 1;

[0038] The mounting assembly 1 is provided with a rotating assembly 2 for rotating a multi-layer saw blade 4;

[0039] The rotating assembly 2 includes a fixed ring 21, a rotating assembly 22 and a connecting assembly 23, the fixed ring 21, the rotating assembly 22 and the connecting assembly 23 are all connected to the mounting assembly 1, and the rotating assembly 22 and the connecting assembly 23 are all connected to the fixed ring 21;

[0040] A spot welding assembly 3 for spot welding is installed on the rotating assembly 2 , and the fixing ring 21 is connected to the spot welding assembly 3 .

[0041] The rotation of the rotating assembly 22 of the rotating assembly 2 drives the connecting assembly 23 to rotate, and the rotation of the connecting assembly 23 drives the multi-layer saw blade 4 to rotate, and then the edge of the multi-layer saw blade 4 is spot welded at equal intervals along the circumferential direction by the spot welding assembly 3;

[0042] The mounting assembly 1 comprises a mounting frame 11 and a connecting cover 12 . The top ends of the mounting frame 11 are fixedly connected to the connecting cover 12 and a fixing ring 21 respectively. The rotating assembly 22 and the connecting assembly 23 are both connected to the mounting frame 11 .

[0043] The connection cover 12 covers the rotating assembly 22 to prevent objects from accidentally falling and getting stuck in the rotating assembly 22, thereby damaging the rotating assembly 22. At the same time, the multi-layer saw blade 4 that needs to be spot welded can be placed on the connection cover 12;

[0044] The rotating assembly 22 includes a ring gear 221, a support frame 222, a motor 223 and a gear 224. The support frame 222 is fixedly connected to the top of the mounting frame 11, the upper end of the support frame 222 is fixedly connected to the motor 223, the output end of the motor 223 is fixedly connected to the gear 224, the ring gear 221 is meshed and connected with the gear 224, the ring gear 221 is connected to the connecting assembly 23, and the support frame 222, the motor 223 and the gear 224 are all located inside the connecting cover 12.

[0045] The gear ring 221 is rotatably connected to the upper end of the fixing ring 21 .

[0046] The connecting assembly 23 includes a connecting plate 231, a polygonal slide 232, a connecting rod 233, a fixing piece 234, a stopper 235, a push block 236 and a cylinder 237. One end of the connecting plate 231 is fixedly connected to the gear ring 221, and the other end of the connecting plate 231 is slidably connected to the polygonal slide 232, and the polygonal slide 232 is fixedly connected to the stopper 235. The lower end of the stopper 235 is in close contact with the upper end of the connecting plate 231. The upper end of the polygonal slide 232 is fixedly connected to the connecting rod 233. The multi-layer saw blade 4 is sleeved on the connecting rod 233. The upper end of the connecting rod 233 is threadedly connected to the fixing piece 234. The upper and lower ends of the multi-layer saw blade 4 are in close contact with the fixing piece 234 and the polygonal slide 232 respectively. The output end of the cylinder 237 is fixedly connected to the push block 236, and the push block 236 is located directly below the polygonal slide 232.

[0047] The cylinder 237 is fixedly connected to the mounting frame 11.

[0048] Preferably, the polygonal slide cylinder 232 is located at the center of the gear ring 221 .

[0049] When installing the multi-layer saw blade 4, put the installation hole in the middle of the multi-layer saw blade 4 on the connecting rod 233, then align the circular hole in the middle of the fixing member 234 with the connecting rod 233, and rotate the fixing member 234 until the multi-layer saw blade 4 is fixed, and the installation is completed;

[0050] During rotation, the cylinder 237 drives the push block 236 to move upward, the push block 236 drives the polygonal slide 232 to move upward, the polygonal slide 232 drives the multi-layer saw blade 4 to move upward, the motor 223 is started, the motor 223 drives the gear 224 to rotate, the gear 224 drives the gear ring 221 to rotate, the gear ring 221 drives the connecting plate 231 to rotate, the connecting plate 231 drives the polygonal slide 232 to rotate, the multi-layer saw blade 4 rotates under the joint action of the polygonal slide 232, the fixing member 234 and the connecting rod 233, and the rotation angle is the same each time;

[0051] The utility model can rotate the multi-layer saw blade 4, spot weld the edges of the multi-layer saw blade 4 at equal intervals along the circumferential direction, and the polygonal slide 232 drives the multi-layer saw blade 4 to move upward and then rotate the multi-layer saw blade 4. The rotation of the multi-layer saw blade 4 will not be affected by the welding points at the lower end of the multi-layer saw blade 4.

[0052] The spot welding assembly 3 includes a first electrode 31, a fixed block 32 and a second electrode 33. The fixed block 32 is fixedly connected to the inner wall of the end of the fixed ring 21 away from the connection cover 12. The second electrode 33 is fixedly connected to the fixed block 32. The first electrode 31 is connected to an external driving structure.

[0053] During welding, after the multi-layer saw blade 4 rotates, the external driving structure drives the first electrode 31 to move downward, and the multi-layer saw blade 4 is spot-welded under the joint action of the first electrode 31 and the second electrode 33. After welding, the cylinder 237 is started, and the cylinder 237 drives the push block 236 to move downward. The polygonal slide 232 slides downward under the action of gravity until the lower end of the stop block 235 abuts against the connecting plate 231. Repeat the above operation to rotate the multi-layer saw blade 4 and weld the next welding point until the spot welding is completed.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A spot welding machine for a multi-layer saw blade, comprising a mounting assembly (1), characterized in that: The mounting assembly (1) is provided with a rotating assembly (2) for rotating the multi-layer saw blade (4); The rotating assembly (2) comprises a fixing ring (21), a rotating assembly (22) and a connecting assembly (23); the fixing ring (21), the rotating assembly (22) and the connecting assembly (23) are all connected to the mounting assembly (1); and the rotating assembly (22) and the connecting assembly (23) are all connected to the fixing ring (21); A spot welding assembly (3) for spot welding is installed on the rotating assembly (2), and a fixing ring (21) is connected to the spot welding assembly (3).

2. The spot welding machine for multi-layer saw blades according to claim 1, characterized in that: The mounting assembly (1) comprises a mounting frame (11) and a connecting cover (12); the top ends of the mounting frame (11) are respectively fixedly connected to the connecting cover (12) and the fixing ring (21); and the rotating assembly (22) and the connecting assembly (23) are both connected to the mounting frame (11).

3. The spot welding machine for multi-layer saw blades according to claim 2, characterized in that: The rotating assembly (22) comprises a ring gear (221), a support frame (222), a motor (223) and a gear (224); the top of the mounting frame (11) is fixedly connected to the support frame (222); the upper end of the support frame (222) is fixedly connected to the motor (223); the output end of the motor (223) is fixedly connected to the gear (224); the ring gear (221) is meshedly connected to the gear (224); the ring gear (221) is connected to the connecting assembly (23); and the support frame (222), the motor (223) and the gear (224) are all located inside the connecting cover (12).

4. The spot welding machine for a multi-layer saw blade according to claim 3, characterized in that: The gear ring (221) is rotatably connected to the upper end of the fixed ring (21).

5. The spot welding machine for multi-layer saw blades according to claim 4, characterized in that: The connecting assembly (23) comprises a connecting plate (231), a polygonal slide cylinder (232), a connecting rod (233), a fixing member (234), a stopper (235), a push block (236) and a cylinder (237). One end of the connecting plate (231) is fixedly connected to the gear ring (221). The other end of the connecting plate (231) is slidably connected to the polygonal slide cylinder (232). The polygonal slide cylinder (232) is fixedly connected to the stopper (235). The lower end of the stopper (235) is connected to the connecting plate (231). 1), the upper end of the polygonal slide (232) is fixedly connected with a connecting rod (233), the multi-layer saw blade (4) is sleeved on the connecting rod (233), the upper end of the connecting rod (233) is threadedly connected with a fixing member (234), the upper and lower ends of the multi-layer saw blade (4) are respectively in contact with the fixing member (234) and the polygonal slide (232), and the output end of the cylinder (237) is fixedly connected with a push block (236), and the push block (236) is located directly below the polygonal slide (232).

6. The spot welding machine for multi-layer saw blades according to claim 5, characterized in that: The cylinder (237) is fixedly connected to the mounting frame (11).

7. The spot welding machine for a multi-layer saw blade according to claim 6, characterized in that: The polygonal slide cylinder (232) is located at the center of the gear ring (221).

8. The spot welding machine for a multi-layer saw blade according to claim 7, characterized in that: The spot welding assembly (3) comprises a first electrode (31), a fixed block (32) and a second electrode (33); the fixed block (32) is fixedly connected to the inner wall of an end of the fixed ring (21) away from the connection cover (12); the second electrode (33) is fixedly connected to the fixed block (32); and the first electrode (31) is connected to an external driving structure.

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