CN220028983U - Spot welding device convenient to adjust - Google Patents

Abstract

The utility model belongs to the field of welding equipment, in particular to a spot welding device convenient to adjust, which comprises a device table; the top end of the device table is fixedly connected with a concave plate, the concave plate is of a concave design, and a rotating mechanism is arranged inside the concave plate; the rotating mechanism comprises a first rotating rod, one end of the first rotating rod is rotationally connected to the inner wall of a concave plate, the other end of the first rotating rod penetrates through the front side of the concave plate, the first rotating rod penetrates through one end of the front side of the concave plate and is fixedly connected with a first motor, the first motor is connected to the front side of the concave plate through bolts, the outer side of the first rotating rod is fixedly connected with first straight gears, the first straight gears are provided with two groups, the two groups of the first straight gears are in linear arrays on the outer side of the first rotating rod, and the two groups of the first straight gears are meshed with second straight gears on one side of the first straight gears.

Description

An easily adjustable spot welding device

Technical field

The utility model relates to the field of welding equipment, specifically a spot welding device that is easy to adjust.

Background technique

Spot welding refers to a welding method that uses columnar electrodes to form solder joints between the contact surfaces of two overlapping workpieces. Spot welding is a type of resistance welding. When welding thin plate structures and steel bars, spot welding is often used. Welding method, so a spot welder will be used.

Most of the existing spot welding machines are composed of a device table, a fixed plate, an electrode and a hydraulic rod. First, the workpiece is placed on the device table, and the workpiece is clamped through the fixed plate on the top of the device table to prevent the workpiece from loosening. The two The electrode presses the workpiece through the hydraulic rod 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 electrode, an instantaneous thermal fusion is formed at the two contact resistance points to complete the spot welding.

In order to prevent the workpiece from loosening during the welding process, existing spot welding machines often use fixed plates to clamp it. After clamping, the workpiece is in an immovable state, and the electrode is controlled by a hydraulic rod to fix its welding position on the workpiece at different positions. The workpiece needs to be re-reinforced during welding, which is a cumbersome process. The existing fully automatic electric welding machine can complete spot welding of the workpiece in different directions, but the production cost and maintenance cost are high. Therefore, an easy-to-adjust method is proposed to address the above problems. welding device.

Utility model content

In order to make up for the shortcomings of the existing technology, existing spot welders often use fixed plates to clamp the workpiece to prevent it from loosening during the welding process. After clamping, the workpiece is in an immovable state, and the height of the electrode is controlled by a hydraulic rod to align it with the workpiece. The welding position is fixed, and the workpiece needs to be re-reinforced when welding at different positions. The process is cumbersome. The existing fully automatic electric welding machine can complete spot welding of the workpiece in different directions, which solves the problem of high production cost and maintenance cost. This practical A new type of spot welding device is proposed that is easy to adjust.

The technical solution adopted by the utility model to solve the technical problem is: the utility model describes an easy-to-adjust spot welding device, which includes a device table; the top of the device table is fixedly connected with a "concave" shaped plate, and the "concave" shaped plate is fixedly connected to the top of the device table. The "concave" shaped plate is designed in a "concave" shape, and a rotating mechanism is provided inside the "concave" shaped plate;

The rotating mechanism includes a first rotating rod. One end of the first rotating rod is rotationally connected to the inner wall of the "concave" shaped plate. The other end of the first rotating rod penetrates the front side of the "concave" shaped plate, and the first rotating rod The first motor is fixedly connected to one end of the rod that penetrates the front side of the "concave" shaped plate. The first motor is bolted to the front side of the "concave" shaped plate. A first spur gear is fixedly connected to the outside of the first rotating rod. The first spur gear is fixedly connected to the outside of the first rotating rod. There are two sets of spur gears, the two sets of first spur gears are in a linear array outside the first rotating rod, and the two sets of first spur gears are meshed with second spur gears on one side.

Preferably, one end of a screw is provided inside the second spur gear, an external thread is provided on the outside of the screw, the screw is fixedly connected to the second spur gear, and rubber gaskets are set near both ends of the screw. , the rubber gasket is made of rubber material, the screw is threadedly connected to a threaded platform, an internal thread is provided inside the threaded platform, and the screw passes through the threaded platform.

Preferably, a second motor is bolted to the front side of the threaded table, and one end of the second rotating rod is fixedly connected to the second motor. The end of the second rotating rod close to the second motor runs through one side of the threaded table, so A third spur gear is set on one end of the second rotating rod away from the second motor, and the third spur gear is fixedly connected to the second rotating rod.

Preferably, a fixed tube is provided inside the threaded platform, and the fixed tube is sleeved on the outside of the second rotating rod. One end of the fixed rod is fixedly connected to the outside of the fixed tube, and one end of the fixed rod is fixedly connected away from the fixed tube. on the inner wall of the thread table.

Preferably, the fixed rods are provided in four groups, and the four groups of fixed rods are arranged in a linear array outside the fixed tube.

Preferably, a fourth spur gear is meshed with one side of the third spur gear, one end of the third rotating rod is sleeved inside the fourth spur gear, and the fourth spur gear is fixedly connected to the third rotating rod, and the fourth spur gear is fixedly connected to the third rotating rod. One end of the third rotating rod away from the fourth spur gear is sleeved inside the spur gear, and the third rotating rod is fixedly connected to the spur gear.

Preferably, one end of the rack is meshed with one side of the spur gear, and the end of the rack away from the spur gear is fixedly connected to the top of the sliding plate. The front and rear ends of the sliding plate are slidingly connected inside the sliding groove, and the sliding groove Set inside the thread table.

Preferably, one end of a hydraulic rod is bolted to the bottom end of the sliding plate, and an electrode is fixedly connected to an end of the hydraulic rod away from the sliding plate.

The benefits of this utility model are:

1. Through the structural design of the screw, this utility model realizes the function of moving the front and rear positions of the electrode, solving the problem that existing spot welding machines often use fixed plates to clamp the workpiece in order to prevent it from loosening during the welding process. After clamping, the workpiece is in It cannot move, and the electrode is controlled by a hydraulic rod to fix its welding position on the workpiece. When welding at different positions, the workpiece needs to be re-reinforced. The process is cumbersome. The existing fully automatic electric welding machine can complete spot welding of the workpiece in different directions. , which solves the problem of high production costs and maintenance costs, improves work efficiency, and reduces production and maintenance costs;

2. Through the structural design of gears and racks, this utility model realizes the function of moving the left and right positions of the electrodes, and realizes the convenience of moving the left and right positions of the electrodes. When used with the screw, the electrodes can be moved in different directions, giving the staff points. The welding process brings a certain degree of convenience.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the overall three-dimensional structure of the present utility model;

Figure 2 is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above;

Figure 3 is a first partial three-dimensional structural diagram of the utility model;

Figure 4 is a second partial three-dimensional structural diagram of the utility model;

Figure 5 is a third partial cross-sectional schematic structural diagram of the utility model.

In the picture: 1. Installation table; 2. "Concave" shaped plate; 3. First rotating rod; 4. First motor; 5. First spur gear; 6. Second spur gear; 7. Screw; 8. Rubber Gasket; 9. Threaded table; 10. Second motor; 11. Second rotating rod; 12. Third spur gear; 13. Fixed tube; 14. Fixed rod; 15. Fourth spur gear; 16. Third rotation Rod; 17. Spur gear; 18. Rack; 19. Sliding plate; 20. Sliding groove; 21. Hydraulic rod; 22. Electrode.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Referring to Figures 1 to 5, a spot welding device that is easy to adjust includes a device table 1; a "concave" shaped plate 2 is fixedly connected to the top of the device table 1, and the "concave" shaped plate 2 is in the shape of a "concave" plate. Concave"-shaped design, the "concave"-shaped plate 2 is equipped with a rotating mechanism inside;

The rotating mechanism includes a first rotating rod 3. One end of the first rotating rod 3 is rotationally connected to the inner wall of the "concave" shaped plate 2, and the other end of the first rotating rod 3 passes through the front of the "concave" shaped plate 2. side, and one end of the first rotating rod 3 penetrating the front side of the "concave" shaped plate 2 is fixedly connected to the first motor 4. The first motor 4 is bolted to the front side of the "concave" shaped plate 2. A first spur gear 5 is fixedly connected to the outside of the rod 3. There are two groups of the first spur gears 5. The two groups of the first spur gears 5 are in a linear array outside the first rotating rod 3. The two groups of the first spur gears 5 are arranged in a linear array outside the first rotating rod 3. The spur gear 5 is meshed with a second spur gear 6 on both sides;

During operation, through the structural design of the screw, the function of moving the front and rear positions of the electrode is realized, which solves the problem that existing spot welding machines often use fixed plates to clamp the workpiece in order to prevent it from loosening during the welding process. After clamping, the workpiece is unable to move. state, and the height of the electrode is controlled by a hydraulic rod to fix the welding position of the workpiece. When welding at different positions, the workpiece needs to be re-reinforced. The process is cumbersome. The existing fully automatic electric welding machine can complete spot welding of the workpiece in different directions, which can The problem of high production and maintenance costs improves work efficiency and reduces production and maintenance costs. When the first motor 4 is running, the first motor 4 will drive the first rotating rod 3 to rotate inside the "concave" shaped plate 2 , the rotation of the first rotating rod 3 will drive the first spur gear 5 to rotate. Since the first spur gear 5 meshes with the second spur gear 6, the rotation of the first spur gear 5 will drive the second spur gear 6 to rotate.

Furthermore, one end of the screw rod 7 is provided inside the second spur gear 6, and an external thread is provided on the outside of the screw rod 7. The screw rod 7 is fixedly connected to the second spur gear 6, and the screw rod 7 is located near both ends. A rubber gasket 8 is set in the sleeve. The rubber gasket 8 is made of rubber material. The screw rod 7 is threadedly connected to a threaded platform 9. There are internal threads inside the threaded platform 9. The screw rod 7 penetrates the threaded platform 9;

When working, the rotation of the second spur gear 6 will drive the screw rod 7 to rotate. Since the screw rod 7 is threaded with the threaded table 9, the screw table 9 will achieve the purpose of movement when the two groups of screw rods 7 rotate in the same direction. When the table 9 moves to a certain extent and contacts the rubber gasket 8, the rubber gasket 8, as a rubber material, can have a certain buffering effect on the surface of the threaded table 9 to prevent the surface of the threaded table 9 from being damaged by impact.

Furthermore, a second motor 10 is bolted to the front side of the threaded platform 9. The second motor 10 is fixedly connected to one end of the second rotating rod 11, and one end of the second rotating rod 11 close to the second motor 10 passes through On one side of the threaded platform 9, the end of the second rotating rod 11 away from the second motor 10 is covered with a third spur gear 12, and the third spur gear 12 is fixedly connected to the second rotating rod 11;

During work, through the structural design of gears and racks, the function of moving the left and right positions of the electrodes is realized, and the left and right positions of the electrodes can be moved conveniently. When used with the screw, the electrodes can be moved in different directions to facilitate the spot welding process. It brings convenience to a certain extent. When the second motor 10 is running, the second motor 10 will drive the second rotating rod 11 to rotate, and the rotation of the second rotating rod 11 will drive the third spur gear 12 to rotate.

Further, a fixed tube 13 is provided inside the threaded platform 9. The fixed tube 13 is sleeved on the outside of the second rotating rod 11. One end of the fixed rod 14 is fixedly connected to the outside of the fixed tube 13. The fixed rod 14 One end away from the fixed pipe 13 is fixedly connected to the inner wall of the threaded platform 9;

During operation, when the third spur gear 12 rotates, since only the second motor 10 serves as a support point, the shaking may occur. The fixed tube 13 is fixed through the fixed rod 14, which can play a role in the second rotating rod 11. The purpose of fixation is to allow the second rotating rod 11 to run smoothly inside the fixed tube 13.

Further, the fixed rods 14 are provided in four groups, and the four groups of fixed rods 14 are arranged in a linear array outside the fixed tube 13;

During operation, four groups of fixing rods 14 can be fixed more firmly.

Further, the third spur gear 12 is meshed with a fourth spur gear 15 on one side, and one end of the third rotating rod 16 is set inside the fourth spur gear 15, and the fourth spur gear 15 and the third rotating rod 16 is fixedly connected, one end of the third rotating rod 16 away from the fourth spur gear 15 is sleeved inside the spur gear 17, and the third rotating rod 16 is fixedly connected to the spur gear 17;

When working, the rotation of the third spur gear 12 will drive the fourth spur gear 15 to rotate, and the fourth spur gear 15 is fixed on the outside of the third rotating rod 16, so the rotation of the fourth spur gear 15 will drive the third rotating rod 16 to rotate. , the rotation of the third rotating rod 16 will drive the spur gear 17 to rotate.

Furthermore, one end of the rack 18 is engaged with one side of the spur gear 17. The end of the rack 18 away from the spur gear 17 is fixedly connected to the top of the sliding plate 19. The front and rear ends of the sliding plate 19 are slidingly connected to the sliding groove. 20 inside, the sliding groove 20 is opened inside the threaded platform 9;

When working, the spur gear 17 and the rack 18 are used together. When the spur gear 17 rotates in different directions, the rack 18 will move forward and backward. Since the rack 18 is fixedly connected to the sliding plate 19, the rack 18 will move forward and backward. At the same time, the sliding plate 19 is driven to move, and the sliding plate 19 slides inside the sliding groove 20. The sliding groove 20 plays a role in limiting the position of the sliding plate 19, preventing the position of the sliding plate 19 from shifting and causing device failure.

Further, one end of the hydraulic rod 21 is bolted to the bottom end of the sliding plate 19, and an electrode 22 is fixedly connected to the end of the hydraulic rod 21 away from the sliding plate 19;

During operation, the hydraulic rod 21 moves with the sliding plate 19 , and the hydraulic rod 21 drives the electrode 22 to move, thereby realizing the movement of the electrode 22 to different positions.

Working principle: Through the structural design of the screw, the function of moving the front and rear positions of the electrode is realized, which solves the problem that existing spot welding machines often use fixed plates to clamp the workpiece in order to prevent it from loosening during the welding process. After clamping, the workpiece is unable to move. state, and the height of the electrode is controlled by a hydraulic rod to fix the welding position of the workpiece. When welding at different positions, the workpiece needs to be re-reinforced. The process is cumbersome. The existing fully automatic electric welding machine can complete spot welding of the workpiece in different directions, which can The problem of high production and maintenance costs improves work efficiency and reduces production and maintenance costs. When the first motor 4 is running, the first motor 4 will drive the first rotating rod 3 to rotate inside the "concave" shaped plate 2 , the rotation of the first rotating rod 3 will drive the first spur gear 5 to rotate. Since the first spur gear 5 meshes with the second spur gear 6, the rotation of the first spur gear 5 will drive the second spur gear 6 to rotate. The second spur gear The rotation of 6 will drive the screw rod 7 to rotate. Since the screw rod 7 is threaded with the threaded table 9, the screw table 9 will rotate in the same direction when the two sets of screw rods 7 rotate. When the screw table 9 moves to a certain extent, the screw table 9 will move. When it comes into contact with the rubber gasket 8, the rubber gasket 8, as a rubber material, can have a certain buffering effect on the surface of the thread table 9 and prevent the surface of the thread table 9 from being damaged by impact.

Through the structural design of gears and racks, the function of moving the left and right positions of the electrodes is realized, and the left and right positions of the electrodes are moved conveniently. When used with the screw, the electrodes can be moved in different directions, which brings certain stability to the spot welding process of the workers. To a certain extent, when the second motor 10 is running, the second motor 10 will drive the second rotating rod 11 to rotate, and the rotation of the second rotating rod 11 will drive the third spur gear 12 to rotate. When the third spur gear 12 rotates Because only the second motor 10 serves as a support point and may shake, adding a fixed tube 13 to fix the fixed tube 13 through the fixed rod 14 can fix the second rotating rod 11 so that the second rotating rod 11 can The fixed tube 13 runs smoothly inside. The rotation of the third spur gear 12 will drive the fourth spur gear 15 to rotate. The fourth spur gear 15 is fixed outside the third rotating rod 16, so the rotation of the fourth spur gear 15 will drive the third spur gear 15 to rotate. The rotating rod 16 rotates, and the rotation of the third rotating rod 16 will drive the spur gear 17 to rotate. The spur gear 17 is used in conjunction with the rack 18. When the spur gear 17 rotates in different directions, the rack 18 will move forward and backward. Because the rack 18 is fixedly connected to the sliding plate 19, so when the rack 18 moves forward and backward, it will drive the sliding plate 19 to move. The sliding plate 19 slides inside the sliding groove 20. The sliding groove 20 plays a role in limiting the sliding plate 19 to prevent sliding. The position deviation of the plate 19 causes the device to malfunction. The hydraulic rod 21 moves with the sliding plate 19. The hydraulic rod 21 drives the electrode 22 to move to realize the movement of the electrode 22 to different positions.

The basic principles, main features and advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (8)

1. A spot welding device that is easy to adjust, including a device table (1); a "concave" shaped plate (2) is fixedly connected to the top of the device table (1), and the "concave" shaped plate (2) is in the shape of a "concave" shaped plate (2). Concave"-shaped design, the "concave"-shaped plate (2) is equipped with a rotating mechanism inside, and is characterized by; The rotating mechanism includes a first rotating rod (3). One end of the first rotating rod (3) is rotationally connected to the inner wall of the "concave" shaped plate (2). The other end of the first rotating rod (3) Penetrating the front side of the "concave" shaped plate (2), and fixedly connected to one end of the first rotating rod (3) penetrating the front side of the "concave" shaped plate (2), the first motor (4) is fixedly connected to the first motor (4). ) is bolted to the front side of the "concave" shaped plate (2), and a first spur gear (5) is fixedly connected to the outside of the first rotating rod (3). The first spur gear (5) is provided with two sets, The two sets of first spur gears (5) are in a linear array outside the first rotating rod (3), and the two sets of first spur gears (5) are meshed with a second spur gear (6) on one side. 2. An easy-to-adjust spot welding device according to claim 1, characterized in that: one end of a screw (7) is provided inside the second spur gear (6), and a screw (7) is provided outside the screw (7). External thread, the screw (7) is fixedly connected to the second spur gear (6), the screw (7) is equipped with a rubber gasket (8) near both ends, and the rubber gasket (8) is Made of rubber, the screw (7) is threadedly connected to a threaded platform (9), the threaded platform (9) is provided with internal threads, and the screw (7) penetrates the threaded platform (9). 3. A spot welding device that is easy to adjust according to claim 2, characterized in that: a second motor (10) is bolted to the front side of the threaded table (9), and the second motor (10) is fixed One end of the second rotating rod (11) is connected, and the end of the second rotating rod (11) close to the second motor (10) penetrates the side of the threaded table (9), and the second rotating rod (11) is away from the A third spur gear (12) is set at one end of the second motor (10), and the third spur gear (12) is fixedly connected to the second rotating rod (11). 4. An easy-to-adjust spot welding device according to claim 3, characterized in that: a fixed tube (13) is provided inside the threaded platform (9), and the fixed tube (13) is sleeved on the second Outside the rotating rod (11), one end of the fixed rod (14) is fixedly connected to the outer side of the fixed tube (13), and one end of the fixed rod (14) away from the fixed tube (13) is fixedly connected to the inner wall of the threaded platform (9) superior. 5. A spot welding device that is easy to adjust according to claim 4, characterized in that: the fixed rods (14) are provided with four groups, and the four groups of fixed rods (14) are arranged in a linear array on the fixed tube (14). 13) Outside. 6. A spot welding device that is easy to adjust according to claim 5, characterized in that: a fourth spur gear (15) is meshed with one side of the third spur gear (12), and the fourth spur gear (15) 15) One end of the third rotating rod (16) is set inside, and the fourth spur gear (15) is fixedly connected to the third rotating rod (16). The third rotating rod (16) is far away from the fourth spur gear (15). One end of 15) is sleeved inside the spur gear (17), and the third rotating rod (16) is fixedly connected to the spur gear (17). 7. A spot welding device that is easy to adjust according to claim 6, characterized in that: one end of a rack (18) is engaged with one side of the spur gear (17), and the rack (18) is away from the spur gear (17). One end of the gear (17) is fixedly connected to the top of the sliding plate (19), and the front and rear ends of the sliding plate (19) are slidingly connected inside the sliding groove (20). The sliding groove (20) is opened on the threaded platform (9) internal. 8. A spot welding device that is easy to adjust according to claim 7, characterized in that: the bottom end of the sliding plate (19) is bolted to one end of a hydraulic rod (21), and the hydraulic rod (21) is away from An electrode (22) is fixedly connected to one end of the sliding plate (19).