Spot welding machine with automatic feeding structure

Abstract

The utility model belongs to the technical field of spot welding machines, and particularly relates to a spot welding machine with an automatic feeding structure, which comprises a spot welding machine main body and a control panel, the control panel is mounted on one side of the spot welding machine main body, an air cylinder is mounted on the upper side of the spot welding machine main body, and an upper placement seat is fixed on an output shaft of the air cylinder. And an upper electrode tip is mounted in the upper mounting seat. According to the spot welding machine with the automatic feeding structure, a limiting plate is pulled upwards, metal workpieces are attached together and placed below the limiting plate, the limiting plate is loosened at the moment, and a driving motor is started at the moment, so that automatic feeding can be achieved during welding of the spot welding machine body, and the welding efficiency of the spot welding machine body is improved; the folding cover moves downwards along with the upper electrode tip to make contact with and extrude the surface of the metal workpiece, the hand of a worker can be prevented from stretching into the position between the upper electrode tip and the lower electrode tip, and the worker is not prone to being crushed when the spot welding machine body conducts welding operation.

Description

Technical Field

[0001] The utility model relates to the technical field of spot welding machines, in particular to a spot welding machine with an automatic feeding structure. Background Art

[0002] The spot welder is a welding device that uses the principle of double-sided double-point overcurrent welding. When the spot welder is welding, the two electrodes of the spot welder pressurize the metal workpiece so that the two layers of metal workpiece form a certain contact resistance under the pressure of the two electrodes. The two layers of workpiece form contact resistance at the moment of thermal fusion, so that the two layers of metal workpiece can be welded together;

[0003] When the spot welding machine is in operation, two metal workpieces are attached together and placed between the upper electrode head and the lower electrode head, and the pedal of the spot welding machine is started to form a contact resistance between the upper electrode head and the lower electrode head and the two metal workpieces, so that the two metal workpieces are welded together. When using the spot welding machine for welding, the workers generally manually attach the two metal workpieces together, and the workers generally need to hold the metal workpieces by hand during welding. When the welding of the metal workpieces is completed, the next group of metal workpieces need to be manually supported for welding, which limits the welding efficiency of the spot welding machine. Therefore, we propose a spot welding machine with an automatic feeding structure. Utility Model Content

[0004] The purpose of the utility model is to provide a spot welding machine with an automatic feeding structure to solve the problem raised in the above background technology that when using the spot welding machine for welding, the workers generally manually fit two metal workpieces together, and when the welding of the metal workpieces is completed, they need to manually support the next group of metal workpieces for welding, which limits the welding efficiency of the spot welding machine.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spot welding machine with an automatic feeding structure, comprising a spot welding machine body and a control panel, a control panel is installed on one side of the spot welding machine body, and a cylinder is installed on the upper side of the spot welding machine body, and an upper mounting seat is fixed to the output shaft of the cylinder, an upper electrode head is installed inside the upper mounting seat, a lower mounting seat is fixed to the spot welding machine body below the upper mounting seat, and a lower electrode head is installed inside the lower mounting seat, a fixing plate is fixed to the spot welding machine body below the lower mounting seat, and a fixing cover is connected to the upper side of the fixing plate, a feeding mechanism is arranged inside the fixing cover, and the feeding mechanism comprises disc teeth, bevel gears, a driving motor, a connecting rod, a feeding tray, a through slot, a limiting plate and a connecting pad, and the disc teeth are movably connected to the fixing plate through a bearing.

[0006] Preferably, the disc teeth are connected to the bevel gear, and the bevel gear is movably connected to the fixed cover through a bearing, and one end of the bevel gear is fixed to the output shaft of the driving motor.

[0007] Preferably, the driving motor is connected to the fixed plate, a connecting rod is fixed to the upper side of the disc teeth, and the connecting rod is movably connected to the fixed cover through a bearing.

[0008] Preferably, a feeding tray is fixed to the upper end of the connecting rod, and a through groove is provided inside the feeding tray.

[0009] Preferably, the feed tray is movably connected to the limit plate via a torsion spring seat on one side of the through slot, and a connecting pad is bonded to the lower side of the limit plate.

[0010] Preferably, a connection cover is fixed to one side of the upper placement seat, and the connection cover is sleeved with the upper electrode head.

[0011] Preferably, a folding cover is fixed to the lower side of the connecting cover, and a sliding rod is slidably penetrated inside the convex plate on the outer side of the connecting cover, and the lower end of the sliding rod is fixed to the convex plate on the outer side of the folding cover.

[0012] Preferably, one end of the slide rod is sleeved with a limit spring, and two ends of the limit spring are respectively fixed to the connecting cover and the folding cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the spot welding machine with an automatic feeding structure pulls up the limit plate, and the metal workpieces are placed together under the limit plate. At this time, the limit plate is released and the drive motor is started, so that the spot welding machine body can automatically feed during welding, thereby improving the welding efficiency of the spot welding machine body. When two metal workpieces are welded, the folding cover follows the upper electrode head to move downward and contact and squeeze the surface of the metal workpiece, which can prevent the staff's hands from reaching between the upper electrode head and the lower electrode head, so that the staff is not easily crushed when the spot welding machine body performs welding operations.

[0014] 1. The spot welding machine with automatic feeding structure, when the main body of the spot welding machine is in operation, the welding data is input through the control panel, the two metal workpieces are attached together, placed between the upper electrode head and the lower electrode head, and then the cylinder is started to drive the upper electrode head to move downward, so that the upper electrode head and the lower electrode head form a contact resistance with the two metal workpieces, so that the two metal workpieces are welded together. When the main body of the spot welding machine welds the two metal workpieces, the limit plate is pulled up, the metal workpieces are attached together and placed under the limit plate, and the welding part of the metal workpieces is placed above the through groove. At this time, the limit plate is released, so that the two metal workpieces are attached and restricted to the inner side of the feeding tray, and the driving motor is started at this time, so that the connecting rod drives the feeding tray to rotate, so that the feeding tray conveys the metal workpiece to between the upper electrode head and the lower electrode head. At this time, the main body of the spot welding machine is started to weld the metal workpiece, so that the main body of the spot welding machine can automatically feed when welding, so that the staff does not need to hold the metal workpiece by hand when the main body of the spot welding machine is welding, so that the main body of the spot welding machine improves the welding efficiency;

[0015] 2. The spot welding machine with automatic feeding structure, when the cylinder is started and the cylinder drives the upper electrode head to move downward, when welding two metal workpieces, the folding cover follows the upper electrode head to move downward and contacts and squeezes the surface of the metal workpiece, which can prevent the staff's hands from reaching between the upper electrode head and the lower electrode head, and the folding cover can be retracted without affecting the contact welding between the upper electrode head and the surface of the metal workpiece, so that it is not easy to crush the staff when the spot welding machine body is performing welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the feeding mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the top view of the connecting plate and the through slot of the utility model;

[0019] Figure 4 This is a schematic diagram of the front cross-sectional structure of the limit plate and the connection pad of the utility model;

[0020] Figure 5 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] In the figure: 1. spot welding machine body; 11. control panel; 12. cylinder; 13. upper mounting seat; 14. upper electrode head; 15. lower mounting seat; 16. lower electrode head; 2. fixing plate; 21. fixing cover; 3. feeding mechanism; 31. disc teeth; 32. bevel gear; 33. driving motor; 34. connecting rod; 35. feeding tray; 36. through groove; 37. limiting plate; 38. connecting pad; 4. connecting cover; 41. folding cover; 42. sliding rod; 43. limiting spring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4The utility model provides a technical solution: a spot welding machine with an automatic feeding structure, comprising a spot welding machine body 1 and a control panel 11, the control panel 11 is installed on one side of the spot welding machine body 1, and a cylinder 12 is installed on the upper side of the spot welding machine body 1, and the output shaft of the cylinder 12 is fixed with an upper mounting seat 13, an upper electrode head 14 is installed inside the upper mounting seat 13, a lower mounting seat 15 is fixed to the spot welding machine body 1 below the upper mounting seat 13, and a lower electrode head 16 is installed inside the lower mounting seat 15, a fixed plate 2 is fixed to the spot welding machine body 1 below the lower mounting seat 15, and a fixed cover 21 is connected to the upper side of the fixed plate 2, a feeding mechanism 3 is arranged inside the fixed cover 21, and the feeding mechanism 3 includes a disc tooth 31, a bevel gear 32, a driving motor 33, a connecting rod 34, a feeding mechanism 3, and a feeding mechanism 3. The disc 35, the through slot 36, the limit plate 37 and the connecting pad 38, the disc teeth 31 are movably connected to the fixed plate 2 through the bearing, the disc teeth 31 are connected to the bevel gear 32, and the bevel gear 32 is movably connected to the fixed cover 21 through the bearing, one end of the bevel gear 32 is fixed to the output shaft of the drive motor 33, and the drive motor 33 is connected to the fixed plate 2, a connecting rod 34 is fixed to the upper side of the disc teeth 31, and the connecting rod 34 is movably connected to the fixed cover 21 through the bearing, a feed disc 35 is fixed to the upper end of the connecting rod 34, and a through slot 36 is provided inside the feed disc 35, the feed disc 35 is movably connected to the limit plate 37 through a torsion spring seat on one side of the through slot 36, and a connecting pad 38 is bonded to the lower side of the limit plate 37, the disc teeth 31 are meshed and connected to the bevel gear 32, and the connecting pad 38 is made of high temperature resistant rubber.

[0024] In specific implementation, according to Figure 1-Figure 4When the spot welding machine body 1 is operating, the welding data is input through the control panel 11, the two metal workpieces are attached together and placed between the upper electrode head 14 and the lower electrode head 16, and then the cylinder 12 is started, so that the cylinder 12 drives the upper electrode head 14 to move downward, so that the upper electrode head 14 and the lower electrode head 16 form a contact resistance with the two metal workpieces, so that the two metal workpieces are welded together. When the spot welding machine body 1 welds the two metal workpieces, the limit plate 37 is pulled up, the metal workpieces are attached together and placed under the limit plate 37, and the welding part of the metal workpieces is placed above the through groove 36. At this time, the limit plate 37 is released. The limit plate 37 rotates and squeezes the two metal workpieces under the action of the torsion spring seat, and the connection pad 38 is made of high temperature resistant rubber material with a certain deformation ability. The limit plate 37 strengthens the extrusion and limitation of the two metal workpieces, so that the two metal workpieces are fitted and restricted on the inner side of the feed tray 35. At this time, the drive motor 33 is started, so that the output shaft of the drive motor 33 drives the bevel gear 32 to rotate, and the disc teeth 31 are meshed with the bevel gear 32, so that the disc teeth 31 rotates along with the bevel gear 32, and the disc teeth 31 drives the connecting rod 34 to rotate, so that the connecting rod 34 drives the feed tray 35 to rotate, so that the feed tray 35 transports the metal workpiece to between the upper electrode head 14 and the lower electrode head 16. At this time, the spot welding machine body 1 can be started to weld the metal workpiece, so that the spot welding machine body 1 can automatically feed during welding, so that the staff does not need to hold the metal workpiece by hand during welding of the spot welding machine body 1, so that the spot welding machine body 1 improves the welding efficiency.

[0025] See also Figure 1 and Figure 5 A connecting cover 4 is fixed on one side of the upper mounting seat 13, and the connecting cover 4 is sleeved with the upper electrode head 14, a folding cover 41 is fixed on the lower side of the connecting cover 4, and a slide rod 42 slides through the inside of the outer convex plate of the connecting cover 4, the lower end of the slide rod 42 is fixed to the outer convex plate of the folding cover 41, one end of the slide rod 42 is sleeved with a limit spring 43, and the two ends of the limit spring 43 are respectively fixed to the connecting cover 4 and the folding cover 41, and the folding cover 41 is made of deformable high-temperature resistant plastic material.

[0026] In specific implementation, according to Figure 1 and Figure 5When the cylinder 12 is started and the cylinder 12 drives the upper electrode head 14 to move downward, when welding two metal workpieces, the folding cover 41 follows the upper electrode head 14 to move downward and contact and squeeze the surface of the metal workpiece, which can prevent the staff's hands from reaching between the upper electrode head 14 and the lower electrode head 16. At this time, the slide bar 42 slides upward along the protrusion of the connecting cover 4, so that the limit spring 43 is folded and contracted, and the folding cover 41 is made of deformable and high-temperature resistant plastic material, so that the folding cover 41 can be contracted without affecting the contact welding between the upper electrode head 14 and the surface of the metal workpiece. When the upper electrode head 14 moves upward, the slide bar 42 moves downward under the action of the limit spring 43, so that the folding cover 41 is extended to return to its original position, so that it is not easy to crush the staff during the welding operation of the spot welding machine body 1.

[0027] To sum up, when the spot welding machine body 1 is operating, the welding data is input through the control panel 11, the two metal workpieces are attached together and placed between the upper electrode head 14 and the lower electrode head 16, and then the cylinder 12 is started, so that the cylinder 12 drives the upper electrode head 14 to move downward, so that the upper electrode head 14 and the lower electrode head 16 form a contact resistance with the two metal workpieces, so that the two metal workpieces are welded together. When the spot welding machine body 1 welds the two metal workpieces, the limit plate 37 is pulled up, and the metal workpieces are attached together and placed below the limit plate 37. At this time, the limit plate 37 is released, and the drive motor 33 is started, so that the spot welding machine body 1 can automatically feed during welding, so that the spot welding machine body 1 improves the welding efficiency. When the two metal workpieces are welded, the folding cover 41 follows the upper electrode head 14 to move downward and contact and squeeze with the surface of the metal workpiece, which can prevent the staff's hand from reaching between the upper electrode head 14 and the lower electrode head 16, so that the spot welding machine body 1 is not easy to crush the staff during welding operations. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spot welding machine with an automatic feeding structure, comprising a spot welding machine body (1) and a control panel (11), characterized in that: A control panel (11) is installed on one side of the spot welding machine body (1), and a cylinder (12) is installed on the upper side of the spot welding machine body (1), and an upper mounting seat (13) is fixed to the output shaft of the cylinder (12), and an upper electrode head (14) is installed inside the upper mounting seat (13), and a lower mounting seat (15) is fixed to the spot welding machine body (1) below the upper mounting seat (13), and a lower electrode head (16) is installed inside the lower mounting seat (15), and the spot welding machine body (1) A fixing plate (2) is fixed below the lower placement seat (15), and a fixing cover (21) is connected to the upper side of the fixing plate (2). A feeding mechanism (3) is arranged inside the fixing cover (21), and the feeding mechanism (3) comprises a disc tooth (31), a bevel gear (32), a driving motor (33), a connecting rod (34), a feeding disc (35), a through groove (36), a limiting plate (37) and a connecting pad (38). The disc tooth (31) is movably connected to the fixing plate (2) via a bearing.

2. The spot welding machine with automatic feeding structure according to claim 1, characterized in that: The disc teeth (31) are connected to the bevel gear (32), and the bevel gear (32) is movably connected to the fixed cover (21) through a bearing, and one end of the bevel gear (32) is fixed to the output shaft of the driving motor (33).

3. The spot welding machine with automatic feeding structure according to claim 2, characterized in that: The driving motor (33) is connected to the fixed plate (2), a connecting rod (34) is fixed on the upper side of the disc teeth (31), and the connecting rod (34) is movably connected to the fixed cover (21) via a bearing.

4. The spot welding machine with automatic feeding structure according to claim 3 is characterized in that: A feeding tray (35) is fixed to the upper end of the connecting rod (34), and a through slot (36) is provided inside the feeding tray (35).

5. The spot welding machine with automatic feeding structure according to claim 4, characterized in that: The feeding tray (35) is movably connected to a limiting plate (37) at one side of the through slot (36) via a torsion spring seat, and a connecting pad (38) is bonded to the lower side of the limiting plate (37).

6. The spot welding machine with automatic feeding structure according to claim 1, characterized in that: A connection cover (4) is fixed on one side of the upper placement seat (13), and the connection cover (4) is sleeved with the upper electrode head (14).

7. The spot welding machine with automatic feeding structure according to claim 6, characterized in that: A folding cover (41) is fixed on the lower side of the connecting cover (4), and a sliding rod (42) slides through the inside of the convex plate on the outer side of the connecting cover (4), and the lower end of the sliding rod (42) is fixed to the convex plate on the outer side of the folding cover (41).

8. The spot welding machine with automatic feeding structure according to claim 7, characterized in that: One end of the slide rod (42) is sleeved with a limit spring (43), and two ends of the limit spring (43) are respectively fixed to the connecting cover (4) and the folding cover (41).

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