Spot welding machine with protection function

Abstract

The utility model relates to the technical field of spot welding machines, in particular to a spot welding machine with a protection function, which comprises a main body, a working cavity is arranged in the main body, a movable cavity is arranged at the top end of the working cavity, a protection plate is arranged in the movable cavity, a limiting hole is arranged at the top end of the protection plate, a groove is arranged on one side of the movable cavity, and the limiting hole is arranged in the groove. A groove is formed in the top end of the working cavity, a limiting mechanism is arranged in the groove, a spot welding machine body is arranged at the top end of the working cavity, a cavity is formed in the bottom end of the working cavity, fixing plates are arranged on the two sides of the bottom end of the working cavity, and a fixing mechanism is arranged in the cavity. Through the fixing mechanism, a machined part can be conveniently fixed, the stability of the machined part in the working cavity is improved, through the limiting mechanism, the position of the protection plate can be conveniently adjusted, operation is easy and convenient, and the use convenience of the protection plate is improved.

Description

Technical Field

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

[0002] The spot welding machine adopts the principle of double-sided double-point overcurrent welding. When working, the two electrodes pressurize the workpiece so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. When the welding current flows from one electrode to the other, an instantaneous heat melt is formed at the two contact resistance points. Electric welding machines are generally required when processing molds.

[0003] In a spot welding machine with a protective function, the public specification of the Chinese utility model patent application is CN213729900U. Although it solves the problem that the existing spot welding machine does not have a protective function, which causes the electronic screen of the spot welding machine to be easily melted by the sputtering sparks, reduces the maintenance cost of the user, increases the service life of the spot welding machine, and improves the practicality of the spot welding machine, it does not solve the problem that the fixation or removal of the workpiece is not convenient enough, and the fixation of the workpiece is not stable enough; the spot welding machine is not shielded, and the electric welding machine will generate sparks when in use, which is easy to cause harm to the staff. Utility Model Content

[0004] The purpose of the utility model is to provide a spot welding machine with a protection function to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A spot welding machine with a protective function comprises a main body, a working cavity is opened inside the main body, a movable cavity is opened at the top of the working cavity, a protective plate is arranged inside the movable cavity, a limiting hole is opened at the top of the protective plate, a groove is opened on one side of the movable cavity, a limiting mechanism is arranged inside the groove, a spot welding machine body is arranged at the top of the working cavity, a cavity is opened at the bottom of the working cavity, fixing plates are arranged on both sides of the bottom of the working cavity, and a fixing mechanism is arranged inside the cavity.

[0007] The limiting mechanism includes a limiting block, a limiting rod and a first spring. The limiting block is arranged inside the groove, a limiting rod is arranged at one end of the limiting block, one end of the limiting rod passes through the main body and is arranged on one side of the main body, one end of the limiting rod is sleeved with a first spring, one end of the limiting block is trapezoidally arranged, and one side of the top end of the protective plate is trapezoidally arranged.

[0008] The fixing mechanism includes a screw, a movable block, a movable plate, a positioning rod and a second spring. A screw is arranged inside the cavity, a movable block is arranged at one end of the screw, a movable plate is arranged inside the cavity, one end of the fixed plate passes through the cavity and is connected to the movable plate, a positioning rod is arranged inside the cavity and passes through the fixed plate, and a second spring is sleeved on one end of the positioning rod.

[0009] One end of the movable block is arranged in a trapezoidal shape, and one side of the movable plate is arranged in a trapezoidal shape.

[0010] A first sliding block is disposed on one side of the movable block, a first sliding groove is provided on one side of the cavity, and one side of the first sliding block is movably disposed inside the first sliding groove.

[0011] Second sliding blocks are arranged on both sides of the limit block, second sliding grooves are opened on both sides of the groove, and one side of the second sliding block is movably arranged inside the second sliding groove.

[0012] One end of the screw rod passes through the main body and is arranged at one side of the main body, and one end of the screw rod is provided with a handle.

[0013] Moving blocks are arranged on both sides of the protection plate, moving grooves are opened on both sides of the movable cavity, and one side of the moving block is movably arranged inside the moving groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A spot welding machine with a protective function places the workpiece to be spot welded inside the working chamber, so that the two ends of the workpiece are respectively located at the bottom ends of the fixed plate, and the movable plate is passed through the positioning rod so that the movable plate can only move along the direction of the positioning rod, and the handle is turned to push the movable block to move through the screw rod. The trapezoidal arrangement of the movable block and the movable plate makes it easy to push the movable plate to move when the movable block moves, so that the movable plate drives the fixed plate to descend, and the workpiece is pressed by the fixed plate to fix the workpiece inside the working chamber, and then the workpiece is spot welded through the spot welding machine body. After the spot welding is completed, the handle is turned to drive the movable block to move through the screw rod, and the movable plate is pushed by the second spring, so that the movable plate drives the fixed plate to rise, thereby canceling the fixation of the workpiece, and taking out the workpiece. Through the above device, the workpiece is convenient to be fixed through the fixing mechanism, thereby improving the stability of the workpiece in the working chamber.

[0016] 2. This spot welding machine with a protective function has sparks flying when the spot welding machine body is in use, which may easily injure the staff by mistake. After the workpiece is fixed, the limit rod can be pulled to move the limit block out of the limit hole, cancel the limit on the protective plate, and then lower the limit plate to block the working chamber, thereby protecting the staff. The working condition of the spot welding machine body can also be observed through the observation window on one side of the protective plate. When the spot welding is completed, the protective plate is pushed. The trapezoidal setting of the limit block and the protective plate makes it easy to insert the limit block into the limit hole on the protective plate. The limit block is pushed by the first spring so that the limit block is firmly fixed in the limit groove to limit the protective plate, thereby opening the working chamber. Through the above-mentioned device, the position of the protective plate can be easily adjusted through the limit mechanism. The operation is simple and convenient, which improves the convenience of using the protective plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a front structural sectional view of the utility model;

[0019] Figure 3 It is a side structural sectional view of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified schematic diagram of center A.

[0021] In the figure: 1. main body; 2. working chamber; 3. movable chamber; 4. protective plate; 5. limiting hole; 6. groove; 7. spot welding machine body; 8. cavity; 9. fixed plate; 10. limiting block; 11. limiting rod; 12. first spring; 13. screw; 14. movable block; 15. movable plate; 16. positioning rod; 17. second spring; 18. first slider; 19. first slide groove; 20. second slider; 21. second slide groove; 22. handle; 23. moving block; 24. moving groove. 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 4 As shown, a technical solution provided by the utility model:

[0024] A spot welding machine with a protective function comprises a main body 1, a working chamber 2 is provided inside the main body 1, a movable chamber 3 is provided at the top of the working chamber 2, a protective plate 4 is arranged inside the movable chamber 3, a limiting hole 5 is provided at the top of the protective plate 4, a groove 6 is provided on one side of the movable chamber 3, a limiting mechanism is arranged inside the groove 6, a spot welding machine body 7 is arranged at the top of the working chamber 2, a cavity 8 is provided at the bottom of the working chamber 2, fixing plates 9 are arranged on both sides of the bottom of the working chamber 2, and a fixing mechanism is arranged inside the cavity 8. Through the above device, a workpiece to be spot welded is placed inside the working chamber 2 so that the two ends of the workpiece are respectively located at the bottom of the fixing plate 9, the fixing plate 9 is lowered by the fixing mechanism, and the fixing mechanism is used to fix the workpiece. The fixed plate 9 presses the workpiece and fixes it inside the working chamber 2, and then the workpiece is spot welded through the spot welding machine body 7. After the spot welding is completed, the fixation of the workpiece is cancelled through the fixing mechanism, and the workpiece is taken out. Since sparks will fly when the spot welding machine body 7 is in use, it is easy to injure the staff by mistake. After the workpiece is fixed, the limit of the protective plate 4 is cancelled through the limiting mechanism, so that the limiting plate is lowered to block the working chamber 2, thereby protecting the staff. The working condition of the spot welding machine body 7 can also be observed through the observation window on one side of the protective plate 4. When the spot welding is completed, the protective plate 4 is pushed and limited by the limiting mechanism, thereby opening the working chamber 2.

[0025] In this embodiment, preferably, the limiting mechanism includes a limiting block 10, a limiting rod 11 and a first spring 12. The limiting block 10 is arranged inside the groove 6, and a limiting rod 11 is arranged at one end of the limiting block 10. One end of the limiting rod 11 passes through the main body 1 and is arranged on one side of the main body 1. One end of the limiting rod 11 is sleeved with a first spring 12. One end of the limiting block 10 is trapezoidal, and one side of the top of the protective plate 4 is trapezoidal. Through the above device, after the workpiece is fixed, the limiting rod 11 can be pulled to move the limiting block 10 out of the limiting hole 5, cancel the limit on the protective plate 4, thereby lowering the limiting plate, shielding the working chamber 2, and protecting the staff. When the spot welding is completed, the protective plate 4 is pushed. Through the trapezoidal setting of the limiting block 10 and the protective plate 4, the limiting block 10 is easy to be inserted into the limiting hole 5 on the protective plate 4. The limiting block 10 is pushed by the first spring 12, so that the limiting block 10 is firmly inside the limiting groove, and the protective plate 4 is limited, thereby opening the working chamber 2.

[0026] In this embodiment, preferably, the fixing mechanism includes a screw 13, a movable block 14, a movable plate 15, a positioning rod 16 and a second spring 17. The screw 13 is arranged inside the cavity 8, and the movable block 14 is arranged at one end of the screw 13. The movable plate 15 is arranged inside the cavity 8. One end of the fixed plate 9 passes through the cavity 8 and is connected with the movable plate 15. A positioning rod 16 is arranged inside the cavity 8 through the fixed plate 9, and one end of the positioning rod 16 is sleeved with a second spring 17. Through the above device, the workpiece to be spot welded is placed inside the working cavity 2, so that the two ends of the workpiece are respectively located at the bottom end of the fixed plate 9, and the positioning rod 1 6 passes through the movable plate 15, so that the movable plate 15 can only move along the direction of the positioning rod 16, and the movable block 14 is pushed to move by the screw rod 13, so that the movable block 14 pushes the movable plate 15 to move, so that the movable plate 15 drives the fixed plate 9 to descend, and the workpiece is pressed by the fixed plate 9 to fix the workpiece to the inside of the working chamber 2, and then the workpiece is spot welded by the spot welding machine body 7. After the spot welding is completed, the movable block 14 is driven to move by the screw rod 13, and the movable plate 15 is pushed by the second spring 17, so that the movable plate 15 drives the fixed plate 9 to rise, thereby canceling the fixation of the workpiece and taking out the workpiece.

[0027] In this embodiment, preferably, one end of the movable block 14 is set in a trapezoidal shape, and one side of the movable plate 15 is set in a trapezoidal shape. Through the above device, when the movable block 14 moves, it is easy to push the movable plate 15 to move.

[0028] A first slider 18 is provided on one side of the movable block 14 , a first slide groove 19 is provided on one side of the cavity 8 , and one side of the first slider 18 is movably provided inside the first slide groove 19 . Through the above device, the movable block 14 can slide in the cavity 8 .

[0029] Second sliders 20 are arranged on both sides of the limit block 10, and second slide grooves 21 are opened on both sides of the groove 6. One side of the second slider 20 is movably arranged inside the second slide groove 21. Through the above device, the limit block 10 can slide in the groove 6.

[0030] In this embodiment, preferably, one end of the screw rod 13 passes through the main body 1 and is arranged on one side of the main body 1 , and a handle 22 is provided at one end of the screw rod 13 . Through the above device, the screw rod 13 can be easily rotated through the handle 22 .

[0031] In this embodiment, preferably, movable blocks 23 are provided on both sides of the protective plate 4, movable grooves 24 are opened on both sides of the movable cavity 3, and one side of the movable block 23 is movably arranged inside the movable groove 24. Through the above device, the protective plate 4 can slide in the movable cavity 3.

[0032] When a spot welding machine with a protective function of the present embodiment is used, the workpiece to be spot welded is placed inside the working chamber 2, so that the two ends of the workpiece are respectively located at the bottom of the fixed plate 9, and the movable plate 15 is passed through the positioning rod 16, so that the movable plate 15 can only move along the direction of the positioning rod 16, and the handle 22 is turned to push the movable block 14 to move through the screw rod 13. Through the trapezoidal arrangement of the movable block 14 and the movable plate 15, it is convenient to push the movable plate 15 to move when the movable block 14 moves, so that the movable plate 15 drives the fixed plate 9 to descend, and the workpiece is pressed by the fixed plate 9 to fix the workpiece inside the working chamber 2, and then the workpiece is spot welded by the spot welding machine body 7. After the spot welding is completed, the handle 22 is turned to drive the movable block 14 to move through the screw rod 13, and the movable plate 15 is pushed by the second spring 17, so that the movable plate 15 drives the fixed plate 9 to rise, thereby canceling the fixation of the workpiece, and taking out the workpiece. Through the above device, through the fixing mechanism, it is convenient to fix the workpiece, and the stability of the workpiece in the working chamber 2 is improved.

[0033] When the spot welding machine body 7 is in use, sparks will fly, which may easily injure the staff. After the workpiece is fixed, the limit rod 11 can be pulled to move the limit block 10 out of the limit hole 5, cancel the limit on the protective plate 4, and then lower the limit plate to block the working chamber 2, thereby protecting the staff. The working condition of the spot welding machine body 7 can also be observed through the observation window on the side of the protective plate 4. When the spot welding is completed, the protective plate 4 is pushed. The trapezoidal setting of the limit block 10 and the protective plate 4 makes it easy to insert the limit block 10 into the limit hole 5 on the protective plate 4. The limit block 10 is pushed by the first spring 12, so that the limit block 10 is firmly fixed in the limit groove, and the protective plate 4 is limited, thereby opening the working chamber 2. Through the above-mentioned device, through the limiting mechanism, it is easy to adjust the position of the protective plate 4. The operation is simple and convenient, which improves the convenience of using the protective plate 4.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A spot welding machine with a protective function, comprising a main body (1), characterized in that: A working chamber (2) is provided inside the main body (1), a movable chamber (3) is provided at the top of the working chamber (2), a protective plate (4) is provided inside the movable chamber (3), a limiting hole (5) is provided at the top of the protective plate (4), a groove (6) is provided on one side of the movable chamber (3), a limiting mechanism is provided inside the groove (6), a spot welding machine body (7) is provided at the top of the working chamber (2), a cavity (8) is provided at the bottom of the working chamber (2), fixing plates (9) are provided on both sides of the bottom of the working chamber (2), and a fixing mechanism is provided inside the cavity (8).

2. A spot welding machine with a protective function according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (10), a limiting rod (11) and a first spring (12); the limiting block (10) is arranged inside the groove (6); a limiting rod (11) is arranged at one end of the limiting block (10); one end of the limiting rod (11) passes through the main body (1) and is arranged on one side of the main body (1); one end of the limiting rod (11) is sleeved with the first spring (12); one end of the limiting block (10) is arranged in a trapezoidal shape; and one side of the top end of the protective plate (4) is arranged in a trapezoidal shape.

3. A spot welding machine with a protective function according to claim 1, characterized in that: The fixing mechanism comprises a screw rod (13), a movable block (14), a movable plate (15), a positioning rod (16) and a second spring (17); the screw rod (13) is arranged inside the cavity (8); a movable block (14) is arranged at one end of the screw rod (13); a movable plate (15) is arranged inside the cavity (8); one end of the fixed plate (9) passes through the cavity (8) and is connected to the movable plate (15); a positioning rod (16) is arranged inside the cavity (8) and passes through the fixed plate (9); and a second spring (17) is sleeved on one end of the positioning rod (16).

4. A spot welding machine with a protective function according to claim 3, characterized in that: One end of the movable block (14) is arranged in a trapezoidal shape, and one side of the movable plate (15) is arranged in a trapezoidal shape.

5. The spot welding machine with protection function according to claim 3, characterized in that: A first sliding block (18) is disposed on one side of the movable block (14), a first sliding groove (19) is opened on one side of the cavity (8), and one side of the first sliding block (18) is movably disposed inside the first sliding groove (19).

6. A spot welding machine with a protective function according to claim 2, characterized in that: Second sliding blocks (20) are arranged on both sides of the limit block (10), second sliding grooves (21) are opened on both sides of the groove (6), and one side of the second sliding block (20) is movably arranged inside the second sliding groove (21).

7. The spot welding machine with protection function according to claim 3, characterized in that: One end of the screw rod (13) passes through the main body (1) and is arranged on one side of the main body (1), and one end of the screw rod (13) is provided with a handle (22).

8. The spot welding machine with protection function according to claim 1, characterized in that: Moving blocks (23) are arranged on both sides of the protective plate (4), moving grooves (24) are opened on both sides of the movable cavity, and one side of the moving block (23) is movably arranged inside the moving groove (24).

Images