Resistance welding equipment

Abstract

The utility model discloses electric resistance welding equipment which comprises a rack, a rotating disc installed on the rack, a base plate arranged in the middle of the rotating disc and a plurality of tool plates fixedly installed on the rotating disc and distributed at equal intervals, fixing grooves used for containing copper sheets are formed in the tool plates, through holes are further formed in the tool plates in a penetrating mode, the through holes are communicated with the fixing grooves, and the fixing grooves are communicated with the base plate. A copper sheet feeding mechanism, a first visual CCD detector, a welding assisting mechanism, a bending feeding mechanism, a spot welding mechanism, a second visual CCD detector and a discharging mechanism are arranged at the top of the rack in the rotating direction of the rotating disc, a pressing and holding mechanism corresponding to the spot welding mechanism is fixedly installed on the base plate, the copper sheet feeding mechanism is used for conveying copper sheets to the tool plate, and the second visual CCD detector is used for conveying the copper sheets to the tool plate. According to the diode bending and welding device, the diode can be automatically bent, the copper sheet and the diode can be automatically welded, the labor cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a resistance welding equipment. Background Art

[0002] A junction box is a device used to connect electrical circuits, usually made of plastic or metal, that protects and connects wires.

[0003] like Fig.13 As shown, in the prior art, a copper sheet 101 and a diode 102 are installed inside a junction box. When producing the junction box, the diode 102 needs to be welded to the copper sheet 101. Currently, resistance welding equipment is generally used for manual welding, which has low welding efficiency and high labor costs. Utility Model Content

[0004] The purpose of the utility model is to provide a resistance welding device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a resistance welding device, comprising a frame, a rotating disk mounted on the frame, a substrate arranged in the middle of the rotating disk, and a plurality of tooling plates fixedly mounted on the rotating disk and distributed equidistantly, the tooling plate is provided with a fixing groove for accommodating a copper sheet, the tooling plate is also penetrated with a through hole, and the through hole is connected with the fixing groove, the top of the frame is provided with a copper sheet feeding mechanism, a first visual CCD detector, a fluxing mechanism, a bending feeding mechanism, a spot welding mechanism, a second visual CCD detector and a blanking mechanism along the rotation direction of the rotating disk, a holding mechanism corresponding to the spot welding mechanism is fixedly installed on the substrate, the copper sheet feeding mechanism is used to transport the copper sheet to the tooling plate, the fluxing mechanism is used to apply flux to the copper sheet, the bending feeding mechanism bends the diode and transports it to the copper sheet, the spot welding mechanism is used to weld the diode to the copper sheet, the holding mechanism is used to press the copper sheet, and the blanking mechanism is used to remove the welded copper sheet.

[0006] As a preferred solution of the utility model, the copper sheet feeding mechanism includes a first belt conveyor installed on the top of a frame, a limit block is installed on the first belt conveyor, a first support is fixedly connected to the top of the frame, a first bracket is fixedly connected to one side of the first support, a first guide rail is fixedly connected to the inner side of the first bracket, a first slider is slidably connected to the outer side of the first guide rail, a first cylinder is installed on the first bracket, the output end of the first cylinder is connected to the first slider, a second cylinder is installed on the first slider, and a first pneumatic clamp is installed on the output end of the second cylinder.

[0007] As a preferred solution of the utility model, the fluxing mechanism includes a second support fixedly mounted on the frame, a third cylinder is mounted on one side of the second support, a support plate is provided at the output end of the third cylinder, and a flux coating machine is mounted on one side of the support plate.

[0008] As a preferred solution of the utility model, the bending and feeding mechanism includes a vibrating plate arranged on one side of the frame, the top of the frame is fixedly connected to the third support, the fifth support and the fourth support, the top of the third support is provided with a guide sleeve, the inner side of the third support is fixedly connected to an L-shaped plate, a sixth cylinder is installed on the L-shaped plate, a material block is installed on the output end of the sixth cylinder, a material trough for accommodating a diode is provided on the material block, the top of the fifth support is fixedly connected to a bending plate, a limiting groove is provided on the bending plate, and the top of the fifth support is provided with a A seventh cylinder is installed, and a top plate slidably connected to the bending plate is installed at the output end of the seventh cylinder, a second bracket is fixedly connected to one side of the fourth support, a second guide rail is fixedly connected to the inner side of the second bracket, a second slider is slidably connected to the outer side of the second guide rail, a fifth cylinder is installed on the second slider, and a cross plate is fixedly connected to the output end of the fifth cylinder, a fourth pneumatic clamp and a third pneumatic clamp are respectively installed at the bottom of the cross plate, a fourth cylinder is installed on the outer side of the second bracket, and the output end of the fourth cylinder is connected to the second slider.

[0009] As a preferred solution of the utility model, the spot welding mechanism includes a sixth support fixedly mounted on the frame, an eighth cylinder is symmetrically mounted on one side of the sixth support, a weighing sensor is mounted on the output end of the eighth cylinder, a third slider is provided at one end of the weighing sensor, a third guide rail is fixedly connected to the sixth support, the third slider is slidably connected to the third guide rail, and a resistance welding machine is mounted on one side of the third slider.

[0010] As a preferred solution of the utility model, the holding mechanism includes a seventh support fixedly mounted on the base plate, a ninth cylinder is mounted on the top of the seventh support, and a pressure block is provided at the output end of the ninth cylinder.

[0011] As a preferred solution of the utility model, the unloading mechanism includes a support rod and a second belt conveyor respectively installed on the frame, a linear module is installed on the top of the support rod, a third bracket is provided at the movable end of the linear module, a unloading cylinder is installed on the third bracket, a unloading pneumatic clamp is installed at the output end of the unloading cylinder, and a waste box is placed on the frame.

[0012] As a preferred solution of the utility model, a protective cover is installed on the outer side of the vibration plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the utility model can automatically bend the diode, and can also automatically weld the copper sheet and the diode, thereby reducing labor costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 For this utility model Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of another viewing angle of the utility model;

[0017] Figure 4 For this utility model Figure 3 The enlarged view of point B in the middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged view of point C in the middle;

[0019] Figure 6 For this utility model Figure 3 The enlarged view of point D in the middle;

[0020] Figure 7 For this utility model Figure 3 Enlarged view of point E in the middle;

[0021] Figure 8 It is a top view of the utility model;

[0022] Fig. 9 It is a three-dimensional structural schematic diagram of the bending and feeding mechanism of the utility model;

[0023] Fig.10 For this utility model Fig. 9 The enlarged view of F in the middle;

[0024] Fig.11 It is a three-dimensional structural schematic diagram of the spot welding mechanism of the utility model;

[0025] Fig.12 It is a three-dimensional structural schematic diagram of the tooling plate of the utility model;

[0026] Fig.13 It is a schematic diagram of the structure of a copper sheet and a diode in the prior art.

[0027] In the figure: 1, frame; 2, rotating disk; 3, base plate;

[0028] 4. Copper sheet feeding mechanism; 41. First belt conveyor; 42. Limit block; 43. First support; 44. First bracket; 45. First slide block; 46. First guide rail; 47. First cylinder; 48. Second cylinder; 49. First pneumatic gripper;

[0029] 5. Soldering mechanism; 51. Second support; 52. Third cylinder; 53. Support plate; 54. Soldering flux coating machine;

[0030] 6. Bending and feeding mechanism; 61. Vibrating plate; 62. Third support; 63. Guide sleeve; 64. Fourth cylinder; 65. Second guide rail; 66. Second bracket; 67. Second slider; 68. Fourth support; 69. Fifth cylinder; 610. Fifth support; 611. L-shaped plate; 612. Sixth cylinder; 613. Material block; 614. Material trough; 615. Horizontal plate; 616. Third pneumatic clamp; 617. Fourth pneumatic clamp; 618. Limiting groove; 619. Bending plate; 620. Top plate; 621. Seventh cylinder;

[0031] 7. spot welding mechanism; 71. sixth support; 72. eighth cylinder; 73. weighing sensor; 74. third guide rail; 75. third slide block; 76. resistance welding machine;

[0032] 8. Pressing mechanism; 81. Seventh support; 82. Ninth cylinder; 83. Pressing block;

[0033] 9. Unloading mechanism; 91. Support rod; 92. Linear module; 93. Third bracket; 94. Unloading cylinder; 95. Unloading pneumatic clamp; 96. Second belt conveyor; 97. Waste box;

[0034] 10. Protective cover; 11. Tooling plate; 12. Fixing slot; 13. Through hole; 14. Second vision CCD detector; 15. First vision CCD detector;

[0035] 101. Copper sheet; 102. Diode. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0037] See also Figures 1 to 13The utility model provides a technical solution: a resistance welding device, including a frame 1, a rotating disk 2 installed on the frame 1, the rotating disk 2 is used to drive a tooling plate 11 to rotate, so that the tooling plate 11 rotates to the bottom of different mechanisms, a substrate 3 arranged in the middle of the rotating disk 2, the substrate 3 is fixed on the frame 1 and does not rotate with the rotating disk 2, and a plurality of tooling plates 11 fixedly installed on the rotating disk 2 and distributed equidistantly, a fixing groove 12 for accommodating a copper sheet 101 is provided on the tooling plate 11, and a through hole 13 is also penetrated on the tooling plate 11, the through hole 13 facilitates the welding head of the resistance welding machine 76 to pass through the tooling plate 11, and weld the copper sheet 101 and the diode 102 together, and the through hole 13 is connected with the fixing groove 12, and a copper sheet feeding mechanism 4 and a first visual CCD are arranged on the top of the frame 1 along the rotation direction of the rotating disk 2 The detector 15, the soldering mechanism 5, the bending and feeding mechanism 6, the spot welding mechanism 7, the second visual CCD detector 14 and the unloading mechanism 9, the first visual CCD detector 15 is used to detect whether the copper sheet 101 is placed on the tooling plate 11, the second visual CCD detector 14 is used to detect whether the copper sheet 101 and the diode 102 are welded, the substrate 3 is fixedly mounted with a holding mechanism 8 corresponding to the spot welding mechanism 7, the copper sheet feeding mechanism 4 is used to transport the copper sheet 101 to the tooling plate 11, the soldering mechanism 5 is used to apply soldering flux to the copper sheet 101, the bending and feeding mechanism 6 bends the diode 102 and transports it to the copper sheet 101, the spot welding mechanism 7 is used to weld the diode 102 to the copper sheet 101, the holding mechanism 8 is used to press the copper sheet 101, and the unloading mechanism 9 is used to remove the welded copper sheet 101.

[0038] The copper sheet feeding mechanism 4 includes a first belt conveyor 41 installed on the top of the frame 1, the first belt conveyor 41 is used to convey the copper sheet 101, a limit block 42 is installed on the first belt conveyor 41, the limit block 42 is used to block the copper sheet 101 to prevent the copper sheet 101 from falling off the first belt conveyor 41, a first support 43 is fixedly connected to the top of the frame 1, a first bracket 44 is fixedly connected to one side of the first support 43, a first guide rail 46 is fixedly connected to the inner side of the first bracket 44, and the first guide rail 46 is used to guide the first slider 45, Thereby, the first pneumatic clamp 49 is more stable during movement. The outer side of the first guide rail 46 is slidably connected with the first slider 45. The first bracket 44 is equipped with a first cylinder 47. The first cylinder 47 is used to adjust the lateral position of the first pneumatic clamp 49. The output end of the first cylinder 47 is connected to the first slider 45. The first slider 45 is equipped with a second cylinder 48. The second cylinder 48 is used to adjust the height of the first pneumatic clamp 49. The output end of the second cylinder 48 is equipped with the first pneumatic clamp 49. The first pneumatic clamp 49 is used to clamp the copper sheet 101.

[0039] Among them, the soldering mechanism 5 includes a second support 51 fixedly mounted on the frame 1, a third cylinder 52 is installed on one side of the second support 51, the third cylinder 52 is used to adjust the height of the flux coating machine 54, and a support plate 53 is provided at the output end of the third cylinder 52, a flux coating machine 54 is installed on one side of the support plate 53, and the flux coating machine 54 is used to apply flux to the copper sheet 101 to facilitate subsequent welding work.

[0040] Among them, the bending and feeding mechanism 6 includes a vibration plate 61 arranged on one side of the frame 1, the vibration plate 61 is used to feed the diode 102, and the diode 102 is transported into the guide sleeve 63. The top of the frame 1 is fixedly connected with a third support 62, a fifth support 610 and a fourth support 68. The top of the third support 62 is provided with a guide sleeve 63, and the guide sleeve 63 is inclined. The guide sleeve 63 is used to guide the diode 102 to move into the material trough 614. The inner side of the third support 62 is fixedly connected with an L-shaped plate 611. The sixth cylinder 612 is installed on the L-shaped plate 611, and the sixth cylinder 612 is used to adjust the height of the material block 613. The output end of the sixth cylinder 612 is installed with the material block 613, and the material block 613 is provided with a material groove 614 for accommodating the diode 102. The top of the fifth support 610 is fixedly connected with a bending plate 619, and the bending plate 619 is provided with a limiting groove 618. The top of the fifth support 610 is installed with a seventh cylinder 621, and the seventh cylinder 621 is used to make the top plate 620 used to push the second The pins of the pole tube 102 are bent, and the output end of the seventh cylinder 621 is installed with a top plate 620 slidably connected to the bending plate 619, and one side of the fourth support 68 is fixedly connected to the second bracket 66, and the inner side of the second bracket 66 is fixedly connected to the second guide rail 65, and the outer side of the second guide rail 65 is slidably connected to the second slider 67, and the fifth cylinder 69 is installed on the second slider 67. The fifth cylinder 69 is used to adjust the height of the fourth pneumatic clamp 617 and the third pneumatic clamp 616. The output of the fifth cylinder 69 The end is fixedly connected with a horizontal plate 615, and the bottom of the horizontal plate 615 is respectively installed with a fourth pneumatic clamp 617 and a third pneumatic clamp 616, the fourth pneumatic clamp 617 is used to clamp the unbent diode 102, and the third pneumatic clamp 616 is used to clamp the bent diode 102, and the outer side of the second bracket 66 is installed with a fourth cylinder 64, the fourth cylinder 64 is used to adjust the lateral position of the fourth pneumatic clamp 617 and the third pneumatic clamp 616, and the output end of the fourth cylinder 64 is connected to the second slider 67.

[0041] Among them, the spot welding mechanism 7 includes a sixth support 71 fixedly mounted on the frame 1, and an eighth cylinder 72 is symmetrically mounted on one side of the sixth support 71. The eighth cylinder 72 is used to adjust the height of the resistance welding machine 76. A weighing sensor 73 is installed at the output end of the eighth cylinder 72. The weighing sensor 73 is used to detect the pressure during welding to prevent damage to the resistance welding machine 76. A third slider 75 is provided at one end of the weighing sensor 73. A third guide rail 74 is fixedly connected to the sixth support 71. The third slider 75 is slidably connected to the third guide rail 74. A resistance welding machine 76 is installed on one side of the third slider 75. The resistance welding machine 76 is used to weld the diode 102 to the copper sheet 101.

[0042] Among them, the pressing mechanism 8 includes a seventh support 81 fixedly mounted on the substrate 3, a ninth cylinder 82 is installed on the top of the seventh support 81, the ninth cylinder 82 is used to adjust the height of the pressing block 83, and a pressing block 83 is provided at the output end of the ninth cylinder 82, which is used to press the copper sheet 101 and the diode 102 to avoid displacement during welding and affect the welding effect.

[0043] Among them, the unloading mechanism 9 includes a support rod 91 and a second belt conveyor 96 respectively installed on the frame 1. The second belt conveyor 96 is used to transport the copper sheet 101 after welding. A linear module 92 is installed on the top of the support rod 91. The linear module 92 is used to adjust the lateral position of the unloading pneumatic clamp 95. The moving end of the linear module 92 is provided with a third bracket 93. The third bracket 93 is installed with a unloading cylinder 94. The unloading cylinder 94 is used to adjust the height of the unloading pneumatic clamp 95. The output end of the unloading cylinder 94 is installed with the unloading pneumatic clamp 95. A waste box 97 is placed on the frame 1. The waste box 97 is used to place the copper sheet 101 with welding errors.

[0044] A protective cover 10 is installed on the outer side of the vibration plate 61, and the protective cover 10 is used to shield the vibration plate 61 to improve safety.

[0045] Specifically, when in use, a worker neatly places the copper sheet 101 on the first belt conveyor 41, and the first belt conveyor 41 transports the copper sheet 101. The copper sheet 101 is blocked by the limit block 42, and the position of the first pneumatic clamp 49 is adjusted by the first cylinder 47 and the second cylinder 48, so that the first pneumatic clamp 49 clamps the copper sheet 101 into the fixed groove 12 of the tooling plate 11, and the rotating disk 2 drives the tooling plate 11 to rotate, so that the copper sheet 101 rotates to the first visual CCD detector 15, and the first visual CCD detector 15 detects whether the copper sheet 101 is placed on the tooling plate 11. 1. If the copper sheet 101 is not placed, the subsequent mechanism will not operate the tooling plate 11. Then the tooling plate 11 rotates to the soldering mechanism 5. The third cylinder 52 makes the flux coating machine 54 descend and applies the flux to the copper sheet 101 to facilitate the subsequent welding. Then the tooling plate 11 rotates to the bending and feeding mechanism 6. The vibration plate 61 conveys the diode 102 to the guide sleeve 63. The diode 102 enters the material groove 614 of the material block 613 under the guidance of the guide sleeve 63. The sixth cylinder 612 makes the material block 613 rise, and the material block 613 drives the diode 102 to rise. The position of the fourth pneumatic clamp 617 is adjusted by the fourth cylinder 64 and the fifth cylinder 69. The fourth pneumatic clamp 617 clamps the diode 102 in the material trough 614 into the bending plate 619. The sixth cylinder 612 moves the top plate 620, and the top plate 620 bends the pins on both sides of the diode 102. After the bending is completed, the third pneumatic clamp 616 clamps the bent diode 102 onto the copper sheet 101. At the same time, the fourth pneumatic clamp 617 clamps the unbent diode 102 into the limiting groove 618. Then the tooling plate 11 rotates to the spot welding mechanism 7, and the eighth cylinder 7 2 moves the resistance welding machine 76, and the resistance welding machine 76 welds the diode 102 and the copper sheet 101 together. After the welding is completed, the tooling plate 11 rotates to the second visual CCD detector 14, and the second visual CCD detector 14 detects whether the welding of the copper sheet 101 and the diode 102 is completed. If the welding fails, the unloading pneumatic clamp 95 clamps the copper sheet 101 into the waste box 97. If the welding is successful, the unloading pneumatic clamp 95 clamps the copper sheet 101 onto the second belt conveyor 96, and the second belt conveyor 96 transports the welded copper sheet 101 to the next process.

[0046] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0048] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0049] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A resistance welding device, comprising a frame (1), a rotating disk (2) mounted on the frame (1), a base plate (3) arranged in the middle of the rotating disk (2), and a plurality of tooling plates (11) fixedly mounted on the rotating disk (2) and distributed at equal intervals, characterized in that: The tooling plate (11) is provided with a fixing groove (12) for accommodating a copper sheet, and the tooling plate (11) is also penetrated with a through hole (13), and the through hole (13) is connected to the fixing groove (12). The top of the frame (1) is provided with a copper sheet feeding mechanism (4), a first visual CCD detector (15), a soldering mechanism (5), a bending feeding mechanism (6), a spot welding mechanism (7), a second visual CCD detector (14) and a feeding mechanism (9) along the rotation direction of the rotating disk (2). ), a holding mechanism (8) corresponding to the spot welding mechanism (7) is fixedly mounted on the substrate (3), the copper sheet feeding mechanism (4) is used to transport the copper sheet to the tooling plate (11), the soldering mechanism (5) is used to apply soldering flux to the copper sheet, the bending feeding mechanism (6) bends the diode and transports it to the copper sheet, the spot welding mechanism (7) is used to weld the diode to the copper sheet, the holding mechanism (8) is used to press the copper sheet, and the unloading mechanism (9) is used to remove the welded copper sheet.

2. A resistance welding device according to claim 1, characterized in that: The copper sheet feeding mechanism (4) comprises a first belt conveyor (41) mounted on the top of a frame (1); a limit block (42) is mounted on the first belt conveyor (41); a first support (43) is fixedly connected to the top of the frame (1); a first bracket (44) is fixedly connected to one side of the first support (43); a first guide rail (46) is fixedly connected to the inner side of the first bracket (44); a first slider (45) is slidably connected to the outer side of the first guide rail (46); a first cylinder (47) is mounted on the first bracket (44); an output end of the first cylinder (47) is connected to the first slider (45); a second cylinder (48) is mounted on the first slider (45); and a first pneumatic clamp (49) is mounted on the output end of the second cylinder (48).

3. A resistance welding device according to claim 1, characterized in that: The soldering mechanism (5) comprises a second support (51) fixedly mounted on a frame (1); a third cylinder (52) is mounted on one side of the second support (51); a support plate (53) is provided at the output end of the third cylinder (52); and a soldering flux coating machine (54) is mounted on one side of the support plate (53).

4. A resistance welding device according to claim 1, characterized in that: The bending and feeding mechanism (6) comprises a vibration plate (61) arranged on one side of the frame (1); the top of the frame (1) is fixedly connected to a third support (62), a fifth support (610) and a fourth support (68); the top of the third support (62) is provided with a guide sleeve (63); the inner side of the third support (62) is fixedly connected to an L-shaped plate (611); a sixth cylinder (612) is mounted on the L-shaped plate (611); a material block (613) is mounted on the output end of the sixth cylinder (612); a material groove (614) for accommodating a diode is provided on the material block (613); a bending plate (619) is fixedly connected to the top of the fifth support (610); a limiting groove (618) is provided on the bending plate (619); a seventh support (610) is mounted on the top of the fifth support (610); The seventh air cylinder (621) is provided with a top plate (620) slidably connected to the bending plate (619) at the output end of the seventh air cylinder (621); a second bracket (66) is fixedly connected to one side of the fourth support (68); a second guide rail (65) is fixedly connected to the inner side of the second bracket (66); a second slider (67) is slidably connected to the outer side of the second guide rail (65); a fifth air cylinder (69) is provided on the second slider (67); an output end of the fifth air cylinder (69) is fixedly connected to a transverse plate (615); a fourth pneumatic clamp (617) and a third pneumatic clamp (616) are respectively provided at the bottom of the transverse plate (615); a fourth air cylinder (64) is provided on the outer side of the second bracket (66); and an output end of the fourth air cylinder (64) is connected to the second slider (67).

5. A resistance welding device according to claim 1, characterized in that: The spot welding mechanism (7) comprises a sixth support (71) fixedly mounted on the frame (1); an eighth cylinder (72) is symmetrically mounted on one side of the sixth support (71); a weighing sensor (73) is mounted on the output end of the eighth cylinder (72); a third slider (75) is disposed at one end of the weighing sensor (73); a third guide rail (74) is fixedly connected to the sixth support (71); the third slider (75) is slidably connected to the third guide rail (74); and a resistance welding machine (76) is mounted on one side of the third slider (75).

6. A resistance welding device according to claim 1, characterized in that: The holding mechanism (8) comprises a seventh support (81) fixedly mounted on the base plate (3); a ninth cylinder (82) is mounted on the top of the seventh support (81); and a pressing block (83) is provided at the output end of the ninth cylinder (82).

7. A resistance welding device according to claim 1, characterized in that: The unloading mechanism (9) comprises a support rod (91) and a second belt conveyor (96) respectively mounted on the frame (1); a linear module (92) is mounted on the top of the support rod (91); a third bracket (93) is provided at the movable end of the linear module (92); a unloading cylinder (94) is mounted on the third bracket (93); an unloading pneumatic clamp (95) is mounted at the output end of the unloading cylinder (94); and a waste box (97) is placed on the frame (1).

8. A resistance welding device according to claim 4, characterized in that: A protective cover (10) is installed on the outer side of the vibration plate (61).

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