Electrode mounting structure for welding roller frame

Abstract

The present invention relates to the technical field of electrode mounting structures, specifically to an electrode mounting structure of a welding roller frame, including a welding roller frame mechanism, the welding roller frame mechanism including a first side plate, the first side plate is connected to a rotating shaft through a bearing limit rotation, a welding roller is fixedly mounted on one end of the rotating shaft, and a plurality of limit slots are provided on the side of the welding roller away from the rotating shaft; an electrode mounting mechanism, the electrode mounting mechanism including a second side plate, an insulating fixed column is fixedly mounted on the second side plate, the insulating fixed column is coaxial with the welding roller, the insulating fixed column is placed on the left side of the second side plate, and a third annular plate is sleeved on the outer wall, and a plurality of first limit strips are fixedly mounted on the left side of the third annular plate. The device can relatively reduce the load of the roller, reduce the friction damage of the roller, reduce the use cost of the device, and can still stably connect electricity when the roller is tilted and deformed, thereby improving the quality of welding.

Description

Technical Field

[0001] The invention relates to the technical field of electrode mounting structures, and in particular to an electrode mounting structure of a welding roller frame. Background Art

[0002] Welding rollers are commonly used welding auxiliary equipment for welding cylindrical workpieces. They are widely used in welding production lines due to their simple structure and convenient operation. During on-site operation, poor welding often occurs due to poor electrode contact. Generally speaking,

[0003] The negative pole of the welding power supply will be directly connected to the workpiece to be welded. Since cylindrical workpieces need to rotate during welding, the electrode of the welding roller frame is generally connected to the base frame during welding. Due to the structural characteristics of the welding roller frame, rolling bearings and other structures that require lubrication will be used, which will hinder the current conduction process and cause welding burn-through, large welding spatter and other poor welding phenomena.

[0004] To this end, researchers designed the conductive rod to directly make frictional electrical contact with one side of the roller to avoid the above problems.

[0005] However, the frictional electrical contact of the conductive rod causes a certain amount of force to press on the roller, which may make it difficult for the roller to rotate stably or increase the load. In addition, the copper electrode and the roller will wear out greatly and need to be replaced regularly, which increases the cost of using the device. Moreover, when the roller is slightly tilted, the friction is greater, which will seriously reduce the service life of the device.

[0006] In view of the above problems, we designed an electrode mounting structure for a welding roller frame, which can relatively reduce the load on the roller, reduce the friction damage of the roller, reduce the cost of using the device, and can still maintain stable electrical connectivity when the roller is tilted and deformed, thereby improving the quality of welding. Summary of the invention

[0007] The technical problem to be solved by the present invention is to overcome the defects of the prior art. The present invention proposes an electrode mounting structure for a welding roller frame, which can relatively reduce the load of the roller, reduce the friction damage of the roller, and reduce the use cost of the device. When the roller is tilted and deformed, it can still maintain stable electrical connectivity, thereby improving the quality of welding.

[0008] In order to solve the above technical problems, the technical solution adopted by the present invention is: an electrode mounting structure of a welding roller frame, comprising:

[0009] A welding roller frame mechanism, the welding roller frame mechanism comprises a first side plate, the first side plate is connected to a rotating shaft through a bearing, a welding roller is fixedly mounted on one end of the rotating shaft, and a plurality of limiting notches are provided on a side of the welding roller away from the rotating shaft;

[0010] An electrode mounting mechanism, wherein the electrode mounting mechanism comprises a second side plate, an insulating fixing column is fixedly mounted on the second side plate, the insulating fixing column is coaxial with the welding roller, a third annular plate is sleeved on the outer wall of the portion where the insulating fixing column is placed on the left side of the second side plate, a plurality of first limiting strips are fixedly mounted on the left side of the third annular plate, a plurality of the first limiting strips are respectively limitedly connected in a plurality of limiting notches, a fourth annular plate is sleeved on the outer wall of the insulating fixing column, a plurality of first elastic members are distributed on the left circumference of the second side plate, a side of a plurality of the first elastic members away from the second side plate is connected to the right side of the fourth annular plate, a left side of the fourth annular plate is squeezed with a right side of the third annular plate, so that when the second side plate is connected to the electrode, the second side plate, the first elastic member, the fourth annular plate, the third annular plate, and the welding roller are electrically connected, the rotating welding roller rotates stably and smoothly and maintains stable electrical connection when deformed or vibrated, and it is convenient to replace the third annular plate and the fourth annular plate of consumables, thereby extending the service life of the welding roller and other components;

[0011] The anti-line traction mechanism is used to prevent the electrode line from being dragged and causing unstable welding, so that when the electrode line is dragged within a preset range, the welding roller maintains stable electrical connection, and when the electrode line is dragged beyond the preset range, the welding roller directly interrupts the electrical connection.

[0012] Preferably, the plurality of limiting notches are evenly distributed on the circumference of the welding roller.

[0013] Preferably, the inner diameter of the first circular groove opened in the middle of the third circular ring plate is slightly larger than the diameter of the insulating fixing column.

[0014] Preferably, the inner diameter of the second circular groove opened in the middle of the fourth circular ring plate is slightly larger than the diameter of the insulating fixing column.

[0015] Preferably, a first slide groove is opened in the middle of the right side of the welding roller, and the right side of the insulating fixing column is arranged in the first slide groove.

[0016] Preferably, the anti-line traction mechanism includes an elastic electrode mounting mechanism and a disconnection and connection mechanism.

[0017] Preferably, the elastic electrode mounting mechanism comprises a second circular ring plate and a first circular ring plate, the second circular ring plate is placed on the right side of the second side plate, the second circular ring plate is limitedly slidably connected to the outer wall of the insulating fixing column placed on the right side of the second side plate, the right side of the second circular ring plate is fixedly connected with a threaded sleeve, the outer wall of the threaded sleeve is sleeved with the first circular ring plate, the top and bottom of the first circular ring plate are fixedly connected with connecting plates, the two connecting plates are jointly fixedly connected with a wire connector mounting plate on one side away from the first circular ring plate, a wire connector is fixedly installed in the middle of the wire connector mounting plate, the wire connector is connected to the wire of the electrode, the external thread of the outer wall of the threaded sleeve is threadedly connected with a nut, the nut presses the first circular plate on the second circular plate, and a plurality of third elastic members are fixedly connected between the left side of the second circular ring plate and the right side of the second side plate, and the plurality of third elastic members are circumferentially distributed on the left side of the second circular ring plate.

[0018] Preferably, the disconnection and connection mechanism comprises a slide bar, two slide bars are fixedly connected to the left side of the second annular plate, the two slide bars are slidably connected to the limit position in the limit position slide groove on the second side plate, and the left sides of the two slide bars are fixedly connected to a pressure plate;

[0019] The left side of the fourth circular plate is fixedly connected to two long strips, and the right side of the long strip is fixedly connected to a stop plate, the stop plate can be pressed against the pressure plate, and there is a preset distance between the stop plate and the pressure plate in the initial state;

[0020] A first wedge plate is fixedly connected to the long strip plate, two slide rail plates are fixedly connected to the outer wall of the insulating fixed column, a limiting slide plate is slidingly connected to the inner side of the slide rail plate, a second elastic member is fixedly connected to the limiting slide plate and the outer wall of the insulating fixed column, a second wedge plate is fixedly installed on the side of the limiting slide plate away from the second elastic member, and the first wedge plate can cooperate with the second wedge plate when moving to the right.

[0021] Preferably, it further comprises a bottom plate, and the bottoms of the first side plate and the second side plate are both fixedly mounted on the bottom plate to integrate the device.

[0022] Preferably, the first side plate is rotatably connected to the upper limit position with two rotating shafts, and welding rollers are fixedly mounted on one end of the two rotating shafts away from the first side plate. A driving mechanism is also included to enable the two welding rollers to rotate synchronously in opposite directions, so that the rollers placed on the two welding rollers can rotate stably.

[0023] Compared with the prior art, the beneficial effects of the present invention include:

[0024] When the welding roller vibrates or tilts and deforms, the electrode mounting structure can still maintain stable rotation and stable electrical connection of the welding roller; compared with the traditional base plate-connected electrode, the electrode mounting structure avoids the electrical connection of the bearing oil and is a direct electrical connection, and its electrical connection is more stable; the electrode mounting structure can still stably connect the welding roller to electricity when the electrode wire is pulled by the outside world; when the electrode wire is pulled beyond the preset range, the welding roller can no longer be electrically connected, thereby improving the quality of welding; compared with the traditional electrode mounting device, the electrode mounting structure will not squeeze or hinder the other side of the roller, so that the welding roller can rotate smoothly, and the frictional electric contact occurs between the third and fourth circular plates. Under the action of the first elastic member, the squeezing friction of the fourth circular plate will not hinder the rotation of the third circular plate and the welding roller, thereby reducing the energy consumption of the welding roller; and the friction force of the electrode mounting structure is concentrated on the third and fourth circular plates, and its consumption is also on the third and fourth circular plates, which will not damage the welding roller and other structures, and relatively improve the service life of the electrode mounting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the accompanying drawings, the same reference numerals are used to refer to the same components. Among them:

[0026] Figure 1 It is a structural schematic diagram of the first viewing angle of the present invention;

[0027] Figure 2 It is a structural schematic diagram of the second viewing angle of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the welding roller of the present invention;

[0029] Figure 4 It is a front view cross-sectional structural schematic diagram of the present invention;

[0030] Figure 5 The present invention Figure 4 The enlarged structural diagram on the right side of FIG.

[0031] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at point A;

[0032] Figure 7 for Figure 5 Schematic diagram of the enlarged structure at B.

[0033] Numbers in the figure: 1. bottom plate; 2. welding roller; 3. rotating shaft; 4. limiting notch; 5. first side plate; 6. second side plate; 7. wire connector mounting plate; 8. wire connector; 9. connecting plate; 10. insulating fixing column; 11. nut; 12. threaded sleeve; 13. first circular plate; 14. second circular plate; 15. first limiting strip; 16. first slide groove; 17. third circular plate; 18. first circular groove; 19. fourth circular plate; 20. second circular groove; 21. first elastic member; 24. long strip plate; 25. abutment plate; 26. pressure plate; 27. slide bar; 28. first wedge plate; 29. ​​slide rail plate; 30. second elastic member; 31. limiting slide plate; 32. second wedge plate; 33. limiting slide groove; 34. third elastic member. DETAILED DESCRIPTION

[0034] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0035] Embodiment 1:

[0036] An electrode mounting structure of a welding roller frame mainly comprises a bottom plate 1, a first side plate 5 and a second side plate 6.

[0037] Key References Figure 1 and Figure 2 The second side plate 6 is made of conductive material. The first side plate 5 is fixedly connected to the left side of the bottom plate 1 , and the second side plate 6 is fixedly connected to the right side of the bottom plate 1 .

[0038] Key References Figure 3 The first side plate 5 is rotatably connected to two rotating shafts 3 through bearing limiting, a welding roller 2 is fixedly installed on the right end of the rotating shaft 3, and a plurality of limiting slots 4 are opened on the side of the welding roller 2 away from the rotating shaft 3, and the plurality of limiting slots 4 are circumferentially distributed on the right side of the welding roller 2.

[0039] Key References Figure 4 An insulating fixing column 10 that cooperates with the corresponding welding roller 2 is fixedly installed on the second side plate 6. The insulating fixing column 10 is detachably installed on the second side plate 6 by screws. The insulating fixing column 10 is coaxial with the rotating shaft 3 and the welding roller 2.

[0040] Two ends of the insulating fixing column 10 are respectively placed on the left and right sides of the second side plate 6 .

[0041] Key References Figure 5The outer wall of the insulating fixing column 10 on the left side of the second side plate 6 is sleeved with a third circular plate 17, the inner diameter of the first circular groove 18 in the third circular plate 17 is 0-1mm larger than the diameter of the insulating fixing column 10, and a plurality of first limiting strips 15 are fixedly installed on the left side of the third circular plate 17, and the plurality of first limiting strips 15 are circumferentially distributed on the left side of the third circular plate 17. The plurality of first limiting strips 15 are respectively limited and fixedly connected in the plurality of limiting slots 4. The first limiting strip 15 can be interference fit with the limiting slot 4 or the outer wall of the first limiting strip 15 is provided with a magnet, and the magnet and the metal of the inner wall of the limiting slot 4 are adsorbed.

[0042] A fourth circular plate 19 is also sleeved on the left outer wall of the insulating fixing column 10 . The inner diameter of the second circular groove 20 in the fourth circular plate 19 is 0-1 mm larger than the diameter of the insulating fixing column 10 .

[0043] Key References Figure 5 , a plurality of first elastic members 21 are fixedly connected to the left side of the second side plate 6, and the plurality of first elastic members 21 are circumferentially distributed on the left side of the second side plate 6. The side of the plurality of first elastic members 21 away from the second side plate 6 is fixedly connected to the right side of the fourth circular ring plate 19, and the left side of the fourth circular ring plate 19 is squeezed with the right side of the third circular ring plate 17, so that when the second side plate 6 is electrically connected to the electrode, the second side plate 6, the first elastic member 21, the fourth circular ring plate 19, the third circular ring plate 17, and the welding roller 2 are all made of conductive materials and are electrically connected to each other. When the rotating welding roller 2 vibrates, the welding roller 2 rotates stably and smoothly and maintains stable electrical connection, and it is convenient to replace the consumable third circular ring plate 17 and the fourth circular ring plate 19, thereby extending the service life of the welding roller 2 and other components.

[0044] A first slide groove 16 is provided in the middle of the right side of the welding roller 2 , and the right side of the insulating fixing column 10 is arranged in the first slide groove 16 . It should be noted that the insulating fixing column 10 does not contact the first slide groove 16 .

[0045] The first side plate 5 is rotatably connected to the upper limit position with two rotating shafts 3, and welding rollers 2 are fixedly mounted on one end of the two rotating shafts 3 away from the first side plate 5. The driving mechanism also includes a driving mechanism, so that the two welding rollers 2 rotate synchronously in opposite directions, so that the rollers placed on the two welding rollers 2 rotate stably, and the driving mechanism can be two motors, and the power output ends of the two motors are connected to the two rotating shafts 3.

[0046] The rotating welding roller 2 drives the first limiting strip 15 and the third circular plate 17 to rotate in a circle. When the welding roller 2 vibrates to a certain extent, the third circular plate 17 will slightly change its position. At this time, the third circular plate 17 is squeezed with the fourth circular plate 19, and the third circular plate 17 will continue to be squeezed with the fourth circular plate 19. When the third circular plate 17 squeezes the fourth circular plate 19, under the action of the first elastic member 21, the fourth circular plate 19 will not clamp the third circular plate 17, so that the third circular plate 17 and the welding roller 2 can rotate stably, and when the welding roller 2 vibrates or deforms slightly, the welding roller 2 and the third circular plate 17 can still be squeezed stably with the fourth circular plate 19, so that the welding roller 2 can be stably electrically connected. And the consumable third circular plate 17 and the fourth circular plate 19 can be easily disassembled, thereby increasing the service life of the device.

[0047] Embodiment 2: Based on Embodiment 1, a technical means is added to prevent the electrode wire from being dragged and causing the wire to break.

[0048] Key References Figure 4 and Figure 5 The second circular plate 14 is placed on the right side of the second side plate 6, and the second circular plate 14 is limitedly slidably connected to the right outer wall of the insulating fixed column 10. The right side of the second circular plate 14 is fixedly connected with a threaded sleeve 12, and the outer wall of the threaded sleeve 12 is sleeved with a first circular plate 13. The top and bottom of the first circular plate 13 are fixedly connected with a connecting plate 9. The two connecting plates 9 are fixedly connected with a wire connector mounting plate 7 on one side away from the first circular plate 13. A wire connector 8 is fixedly installed in the middle of the wire connector mounting plate 7. The wire connector 8 is connected to the wire of the electrode. The external thread of the outer wall of the threaded sleeve 12 is threadedly connected with a nut 11, and the nut 11 presses the first circular plate 13 onto the second circular plate 14.

[0049] A plurality of third elastic members 34 are fixedly connected to the left side of the second annular plate 14, and the left sides of the plurality of third elastic members 34 are fixedly connected to the second side plate 6. The plurality of third elastic members 34 are circumferentially distributed on the left side of the second annular plate 14. The electrode wire is electrically connected to the second side plate 6 from the wire connector 8, the connecting plate 9, the first annular plate 13, the second annular plate 14, the third elastic members 34, so that the welding roller 2 is stably powered.

[0050] The other structures are the same as those in the first embodiment.

[0051] Embodiment 3: Based on Embodiment 2, a technical means is added in which the welding roller 2 stops energizing when the electrode wire is severely dragged.

[0052] Key References Figure 4 , 5, 6, 7, the left side of the second annular plate 14 is fixedly connected to two slide bars 27, the two slide bars 27 are slidably connected to the limit slide groove 33 on the second side plate 6, and the left sides of the two slide bars 27 are fixedly connected to the pressure plate 26;

[0053] Two long strips 24 are fixedly connected to the left side of the fourth circular ring plate 19, and a push plate 25 is fixedly connected to the right side of the long strip 24. The push plate 25 can be squeezed with the pressure plate 26. There is a preset distance between the push plate 25 and the pressure plate 26 in the initial state, so that when the electrode wire is dragged a certain distance, the pressure plate 26 does not contact the push plate 25. When the electrode wire is dragged a long distance, the pressure plate 26 pushes the push plate 25.

[0054] Key References Figure 6 A first wedge plate 28 is fixedly connected to the long strip plate 24, two slide rail plates 29 are fixedly connected to the outer wall of the insulating fixed column 10, a limiting slide plate 31 is slidingly connected inside the slide rail plate 29, the limiting slide plate 31 is fixedly connected to the outer wall of the insulating fixed column 10 with a second elastic member 30, a second wedge plate 32 is fixedly installed on the side of the limiting slide plate 31 away from the second elastic member 30, and the first wedge plate 28 can cooperate with the second wedge plate 32.

[0055] When the electrode wire is seriously pulled, the pressing plate 26 pushes the abutting plate 25, and the first wedge plate 28 squeezes the second wedge plate 32 so that the first wedge plate 28 is placed on the right side of the second wedge plate 32. The first wedge plate 28 squeezes the right side of the second wedge plate 32, so that the fourth circular plate 19 moves to the right, and the fourth circular plate 19 is no longer in contact with the third circular plate 17 for electrical connection. When it is necessary to restore the device to the initial state, the limiting slide plate 31 is pushed so that the first wedge plate 28 is placed on the left side of the second wedge plate 32, and the limiting slide plate 31 is released so that the device remains in the initial state.

[0056] The other structures are the same as those in the second embodiment.

[0057] In this embodiment, the rotation of the welding roller 2 will drive the first limit strip 15 and the third circular plate 17 to rotate in a circle. At this time, the fourth circular plate 19 will squeeze the third circular plate 17 under the action of multiple first elastic members 21, so that the fourth circular plate 19 is stably electrically connected to the third circular plate 17. The rotating third circular plate 17 is frictionally connected to the fourth circular plate 19, and under the action of multiple first elastic members 21, the fourth circular plate 19 will maintain a stable relative rotation movement with the third circular plate 17. When the welding roller 2 vibrates, the third circular plate 17 has a certain deflection relative to the fourth circular plate 19. At this time, under the action of multiple first elastic members 21, the fourth circular plate 19 still maintains a stable contact with the third circular plate 17. And the third circular plate 17 can rotate stably relative to the fourth circular plate 19. And under the action of the first elastic member 21, the fourth circular plate 19 will not hinder the rotation of the third circular plate 17, and the third circular plate 17 and the welding roller 2 can rotate stably. When the welding roller 2 is tilted and deformed downward, the welding roller 2 and the third annular plate 17 can still rotate stably, and the welding roller 2 can be stably powered on.

[0058] The wire connector 8 is connected to the electrode wire. When the electrode wire is pulled, the second annular plate 14 moves to the right, and the third elastic member 34 is stretched. At this time, through the electrical connection of the third elastic member 34, the second side plate 6 and the welding roller 2 are still stably connected to electricity.

[0059] When the electrode wire is severely dragged, the second annular plate 14, the slide bar 27, and the pressure plate 26 move to the right. At this time, the pressure plate 26 and the abutment plate 25 squeeze the long strip plate 24 to the right. At this time, the first wedge plate 28 and the second wedge plate 32 squeeze each other, causing the second wedge plate 32 to move backward. At this time, the left side of the first wedge plate 28 squeezes the right side of the second wedge plate 32, so that the fourth annular plate 19 is no longer in contact with the third annular plate 17. The welding roller 2 is not powered on, and welding operations are no longer possible, prompting personnel that there is external interference. Push the limit slide plate 31 again so that the first wedge plate 28 is placed on the left side of the second wedge plate 32, that is, the initial state is restored, and then the above actions are repeated so that the device can be powered on stably.

[0060] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. An electrode mounting structure for a welding roller frame, characterized in that: include: A welding roller frame mechanism, the welding roller frame mechanism comprising a first side plate (5), the first side plate (5) being rotatably connected to a rotating shaft (3) via a bearing, a welding roller (2) being fixedly mounted on one end of the rotating shaft (3), and a plurality of limiting notches (4) being formed on a side of the welding roller (2) away from the rotating shaft (3); An electrode mounting mechanism, the electrode mounting mechanism comprising a second side plate (6), an insulating fixing column (10) being fixedly mounted on the second side plate (6), the insulating fixing column (10) being coaxial with the welding roller (2), the outer wall of the portion of the insulating fixing column (10) located on the left side of the second side plate (6) being sleeved with a third circular plate (17), a plurality of first limiting strips (15) being fixedly mounted on the left side of the third circular plate (17), the plurality of first limiting strips (15) being respectively connected in a plurality of limiting slots (4), the outer wall of the insulating fixing column (10) being sleeved with a fourth circular plate (19), a plurality of first elastic members (21) being distributed on the circumference of the left side of the second side plate (6), the plurality of first limiting strips (15) being sleeved with a fourth circular plate (19), The side of the first elastic member (21) away from the second side plate (6) is connected to the right side of the fourth circular plate (19), and the left side of the fourth circular plate (19) is pressed against the right side of the third circular plate (17), so that when the second side plate (6) is connected to the electrode, the second side plate (6), the first elastic member (21), the fourth circular plate (19), the third circular plate (17), and the welding roller (2) are electrically connected, and the rotating welding roller (2) can rotate stably and smoothly and maintain stable electrical connection when deformed or vibrated, and it is convenient to replace the consumable third circular plate (17) and the fourth circular plate (19), thereby extending the service life of the welding roller (2) and other components; The anti-line traction mechanism is used to prevent the electrode line from being dragged and causing unstable welding, so that when the electrode line is dragged within a preset range, the welding roller (2) maintains stable electrical connection, and when the electrode line is dragged beyond the preset range, the welding roller (2) directly interrupts the electrical connection.

2. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: The plurality of limiting notches (4) are evenly distributed around the circumference of the welding roller (2).

3. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: The inner diameter of the first circular groove (18) provided in the middle of the third circular ring plate (17) is slightly larger than the diameter of the insulating fixing column (10); The inner diameter of the second circular groove (20) opened in the middle of the fourth circular ring plate (19) is slightly larger than the diameter of the insulating fixing column (10).

4. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: A first sliding groove (16) is provided in the middle of the right side of the welding roller (2), and the right side of the insulating fixing column (10) is arranged in the first sliding groove (16).

5. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: The anti-line traction mechanism includes an elastic electrode installation mechanism and a disconnection and connection mechanism.

6. The electrode mounting structure of a welding roller frame according to claim 5, characterized in that: The elastic electrode mounting mechanism comprises a second annular plate (14) and a first annular plate (13), the second annular plate (14) being disposed on the right side of the second side plate (6), the second annular plate (14) being limitedly slidably connected to the outer wall of the insulating fixing column (10) disposed on the right side of the second side plate (6), the right side of the second annular plate (14) being fixedly connected to a threaded sleeve (12), the outer wall of the threaded sleeve (12) being sleeved with the first annular plate (13), the top and bottom of the first annular plate (13) being fixedly connected to connecting plates (9), the two connecting plates (9) being away from the first annular plate (13) ) are fixedly connected to one side of the second side plate (6), a wire connector mounting plate (7) is fixedly installed on the middle part of the wire connector mounting plate (7), the wire connector (8) is connected to the wire of the electrode, the external thread of the outer wall of the threaded sleeve (12) is threadedly connected to a nut (11), the nut (11) presses the first circular plate (13) onto the second circular plate (14), a plurality of third elastic members (34) are fixedly connected between the left side of the second circular plate (14) and the right side of the second side plate (6), and the plurality of third elastic members (34) are circumferentially distributed on the left side of the second circular plate (14).

7. The electrode mounting structure of a welding roller frame according to claim 6, characterized in that: The disconnection and connection mechanism comprises a slide bar (27), two of the slide bars (27) are fixedly connected to the left side of the second annular plate (14), the two slide bars (27) are slidably connected to the limit position in the limit slide groove (33) on the second side plate (6) in the left and right directions, and the left sides of the two slide bars (27) are fixedly connected to a pressure plate (26); The left side of the fourth circular plate (19) is fixedly connected to two long strips (24), the right side of the long strips (24) is fixedly connected to a stop plate (25), the stop plate (25) can be pressed against the pressure plate (26), and the stop plate (25) and the pressure plate (26) have a preset distance in an initial state; A first wedge plate (28) is fixedly connected to the long strip plate (24); two slide rail plates (29) are fixedly connected to the outer wall of the insulating fixed column (10); a limiting slide plate (31) is slidably connected inside the slide rail plate (29); a second elastic member (30) is fixedly connected to the limiting slide plate (31) and the outer wall of the insulating fixed column (10); a second wedge plate (32) is fixedly mounted on a side of the limiting slide plate (31) away from the second elastic member (30); and the first wedge plate (28) can cooperate with the second wedge plate (32) when the first wedge plate (28) moves to the right.

8. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: It also comprises a bottom plate (1), and the bottoms of the first side plate (5) and the second side plate (6) are both fixedly mounted on the bottom plate (1), so as to integrate the device.

9. The electrode mounting structure of a welding roller frame according to claim 1, characterized in that: The first side plate (5) is rotatably connected to the upper limit position with two rotating shafts (3), and welding rollers (2) are fixedly mounted on one end of the two rotating shafts (3) away from the first side plate (5). The driving mechanism is also included, so that the two welding rollers (2) rotate synchronously in opposite directions, so that the rollers placed on the two welding rollers (2) rotate stably.

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