A device for reducing welding and machining deformation of an end of a large-size cathode roller and a process thereof

Abstract

The application discloses a device for reducing welding and machining deformation of the end of a large-size cathode roller, which comprises a base, a pushing mechanism, a lifting mechanism, a support seat and a bearing plate, the side wall of the support seat is provided with the bearing plate, the side wall of the support seat is provided with a motor, the end of the bearing plate away from the support seat is provided with a support ring, the support ring is provided with detection welding mechanisms, the detection welding mechanisms are symmetrically arranged in two groups, after the cathode roller is clamped, the pushing mechanism and the lifting mechanism drive the support ring to be located at the center directly above the cathode roller, the distance sensor detects the distance change process of the suspension end of the swing rod, at this time, the lifting mechanism stops working, the electric wheel rotates to drive the support ring to rotate along the sliding plate, so that the welding gun welds the end of the cathode roller, when the two groups of detection welding mechanisms are arranged to weld the weld of the cathode roller, the welding efficiency of the weld of the cathode roller can be improved, and the welding deformation can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of copper foil equipment manufacturing, in particular to a device for reducing welding and processing deformation of the end of a large-size cathode roller and a process thereof. BACKGROUND

[0002] For a long time, there is a big gap in the stability of use between domestic cathode rollers and Japanese original cathode rollers, especially large-size cathode rollers (φ3300), the use environment is poor, which is a 60℃ copper sulfate solution, when the roller body is heated, expansion occurs, due to the difference in expansion coefficient between copper and titanium, the roller surface is easily deformed, especially the stress concentration at the end of the cathode roller is obvious, the shrinkage deformation of the end ring and the sealing plate after welding is large, and the processing deformation is large, the welding and processing deformation are superimposed, which leads to the problem of end collapse, that is, the end shrinkage, the straightness is out of tolerance, in order to solve the problem of end collapse of the cathode roller, the gap between the sealing plate, the end ring and the titanium cylinder needs to be reduced, but in the process of welding the cathode roller, the processing stress cannot be eliminated, therefore, a device for reducing welding and processing deformation of the end of a large-size cathode roller is needed. SUMMARY

[0003] In order to solve the problems of the prior art, the purpose of the present application is to provide a device for reducing welding and processing deformation of the end of a large-size cathode roller and a process thereof.

[0004] In order to achieve the above technical purpose, the technical scheme adopted by the present application is as follows.

[0005] A device for reducing welding and processing deformation of the end of a large-size cathode roller, comprising:

[0006] A base, a first pushing mechanism, a lifting mechanism, a support seat and a bearing plate, the first pushing mechanism is arranged on the base, the pushing direction of the first pushing mechanism is horizontally arranged, the lifting mechanism is vertically arranged at the pushing end of the first pushing mechanism, the support seat is arranged at the top of the lifting mechanism, the side wall of the support seat is provided with the bearing plate, the side wall of the support seat is provided with a motor, the output shaft of the motor is horizontally arranged, the bearing plate is driven to overturn by the motor, the end of the bearing plate away from the support seat is provided with a support ring, the support ring is provided with a detection welding mechanism, the detection welding mechanism is provided with two groups and is symmetrically arranged, the top surface of the support ring is provided with a sliding groove, the sliding groove is an annular groove, a sliding plate is slidably matched in the sliding groove, the sliding plate is fixedly connected with the bottom of the end of the bearing plate, the end of the bearing plate is provided with an electric wheel, the electric wheel is in contact with the top surface of the support ring, the electric wheel is a rubber wheel, a clamp is arranged on the base, the clamp is used for clamping the cathode roller, when the cathode roller is clamped, the central axis of the cathode roller is vertically arranged, in the initial state, the support ring is above the cathode roller.

[0007] As a further improvement of the technical solution, the detection welding mechanism comprises a second pushing mechanism, a mounting plate and a detection mechanism. The second pushing mechanism is arranged on the ring surface of the support ring. The mounting plate is arranged at the end of the second pushing mechanism. The detection mechanism is arranged on the mounting plate. A support rod one, a support rod two and a support rod three are horizontally and fixedly arranged on the surface of the mounting plate. The support rod one is between the support rod one and the support rod three. The end of the support rod one is provided with a welding gun. The welding direction of the welding gun is inclined downward. The detection mechanism comprises a detection mechanism one and a detection mechanism two. The detection mechanism one is arranged at the bottom of the support rod two and close to the end of the support rod two. The detection mechanism two is arranged at the bottom of the support rod three and close to the end of the support rod three. The detection mechanism one and the detection mechanism two are the same in structure.

[0008] As a further improvement of the technical solution, the detection mechanism one comprises a detection block, a connecting column, a connecting sleeve, a support plate one and a guide column. The detection block is at the bottom of the support rod two. The side wall of the detection block is flush with the end of the support rod two. The connecting column is vertically arranged at the top of the detection block. Two connecting columns are arranged. The connecting sleeve is vertically arranged at the bottom of the support rod two. The connecting column is sleeved in the connecting sleeve. The connecting column and the connecting sleeve are sleeved with a spring. One end of the spring is connected with the bottom of the support rod two. The other end of the spring is connected with the top of the detection block. The support plate one is arranged at the top of the detection block. The bottom of the support rod two is vertically provided with a stand column. The surface of the stand column is provided with a connecting shaft. The stand column is provided with a swing rod. The swing rod is rotationally connected between the stand column and the connecting shaft. One end of the swing rod is close to the support plate one. The other end of the swing rod is suspended. The surface of the swing rod is provided with a guide slot. The guide column is arranged on the surface of the support plate one. The guide column is matched and sleeved in the guide slot. The support rod two is provided with a distance sensor. The distance sensor penetrates through the support rod two and extends to the bottom of the support rod two. The distance sensor is directly above the suspended end of the swing rod.

[0009] As a further improvement of the technical solution, the bottom of the support rod one is provided with an exhaust pipe. The air inlet end of the exhaust pipe is close to the detection mechanism one. The air outlet end of the exhaust pipe is close to the detection mechanism two. The air inlet port and the air outlet port of the exhaust pipe are towards the weld of the cathode roller. The exhaust pipe is provided with a fan.

[0010] As a further improvement of the technical solution, the side wall of the support rod one is horizontally and fixedly provided with a support plate two. The bottom of the support rod one is provided with a lifting rod. The lifting rod is perpendicular to the support rod one. The top of the lifting rod is vertically provided with a guide rod. The guide rod is provided with two. The top of the guide rod penetrates through the surface of the support plate two and is provided with a baffle.

[0011] As a further improvement of the technical solution, the end of the lifting rod is provided with a gas cylinder. The driving end of the gas cylinder is coaxially and fixedly connected with a limiting rod. The top of the detection block is vertically provided with a limiting plate. The end of the limiting rod is close to the limiting plate. The surface of the limiting plate is provided with a limiting hole. The limiting hole is provided with multiple and uniformly arranged along the height direction of the limiting plate.

[0012] As a further improvement of the technical solution, the exhaust pipe is communicated with a communication housing, a impeller is rotatably arranged in the communication housing, the top of the impeller is fixedly connected with a rotating disc through the communication housing and coaxially, the top disc surface of the rotating disc is provided with a plurality of lugs which are uniformly arranged around the edge of the rotating disc, the lugs are conical with the tip pointing upward, the wall of the lifting rod is fixedly connected with a connecting plate, and the hanging end of the connecting plate is above the top disc surface of the rotating disc and in contact with the top disc surface.

[0013] As a further improvement of the technical solution, the exhaust pipe is communicated with a filter box.

[0014] Compared with the prior art, the application has the advantages that during use, after the cathode roller is clamped, the pushing mechanism I and the lifting mechanism drive the support ring to be at the center above the cathode roller, the distance sensor detects the distance change of the hanging end of the swing lever, at this time, the lifting mechanism stops working, the electric wheel rotates to drive the support ring to rotate along the sliding plate, so that the welding gun welds the end of the cathode roller, and the welding efficiency of the cathode roller weld is improved, and the welding deformation is reduced.

[0015] When the cathode roller weld is welded, the support ring rotates along the sliding plate, the welding bead formed after the weld is welded by the welding gun has a high temperature, the fan works to suck the hot air around the welding bead and discharge the hot air to the un-welded weld through the exhaust port of the exhaust pipe, so that the un-welded weld is preheated, which is beneficial to heat utilization.

[0016] After the cathode roller weld is welded, the detection block moves along the welding bead of the cathode roller, and the detection block reciprocates up and down to hammer the welding bead, so as to reduce the welding deformation. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments of the application. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0018] Figure 1 It is an overall structural schematic diagram of the application.

[0019] Figure 2 It is an installation schematic diagram of the detection welding mechanism of the application.

[0020] Figure 3 It is a cooperation schematic diagram of the bearing plate and the support ring of the application.

[0021] Figure 4 Figure 1 is a schematic diagram of the detection mechanism one and the detection mechanism two of the present application.

[0022] Figure 5 Figure 2 is a schematic diagram of the exhaust pipe structure of the present application.

[0023] Figure 6 Figure 3 is a schematic diagram of the detection block installation of the present application.

[0024] Figure 7 Figure 4 is a schematic diagram of the detection block and the swing lever cooperation of the present application.

[0025] Figure 8 Figure 5 is a schematic diagram of the limiting rod and the detection block cooperation of the present application.

[0026] Figure 9 Figure 6 is a schematic diagram of the lifting rod installation of the present application.

[0027] Figure 10 Figure 7 is a schematic diagram of the rotating disc and the connecting plate cooperation of the present application.

[0028] Indicated as:

[0029] 10, base; 110, push mechanism one; 120, lifting mechanism; 130, support seat; 140, bearing plate; 141, motor; 142, sliding plate; 143, electric wheel; 150, clamp; 160, support ring; 161, sliding groove;

[0030] 20, detection welding mechanism; 210, push mechanism two; 220, mounting plate; 221, support rod one; 222, support rod two; 223, support rod three; 224, welding gun; 225, distance sensor; 226, stand column; 227, connecting shaft; 228, swing lever; 229, guide groove;

[0031] 30, detection mechanism; 310, detection mechanism one; 311, detection block; 312, connecting column; 313, connecting sleeve; 314, support plate one; 315, guide column; 316, limiting plate; 320, detection mechanism two; 330, exhaust pipe; 331, fan; 332, communication housing; 333, filter box; 334, impeller; 335, rotating disc; 336, protruding block; 340, lifting rod; 341, air cylinder; 342, limiting rod; 343, support plate two; 344, guide rod; 345, connecting plate. DETAILED DESCRIPTION

[0032] The technical solutions of the present application are further illustrated by specific embodiments in combination with the accompanying drawings.

[0033] The drawings are only used for exemplary illustration, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation of the present application; in order to better illustrate the embodiments of the present application, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0034] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present application, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0035] In the description of the present application, unless otherwise explicitly specified and limited, if the term "connection" and the like indicating the connection relationship between components appears, the term should be broadly understood, for example, it can be a fixed connection, or a detachable connection, or an integral; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two components or the interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] As shown in Figures 1-10 A device for reducing welding and machining deformation of the end of a large-size cathode roller, comprising:

[0037] The base 10, the pushing mechanism 110, the lifting mechanism 120, the support seat 130, the bearing plate 140, the pushing mechanism 110 (as prior art, not too much elaboration) is arranged on the base 10, the pushing direction of the pushing mechanism 110 is horizontally arranged, the lifting mechanism 120 (as prior art, not too much elaboration) is vertically arranged on the pushing end of the pushing mechanism 110, the support seat 130 is arranged on the top of the lifting mechanism 120, the side wall of the support seat 130 is provided with the bearing plate 140, the side wall of the support seat 130 is provided with the motor 141, the output shaft of the motor 141 is horizontally arranged, the bearing plate 140 is driven to overturn by the motor 141, the end of the bearing plate 140 away from the support seat 130 is provided with the support ring 160, the support ring 160 is provided with the detection welding mechanism 20, the detection welding mechanism 20 is provided with two groups and is symmetrically arranged, the top surface of the support ring 160 is provided with the sliding groove 161, the sliding groove 161 is an annular groove, the sliding plate 142 is slidably matched in the sliding groove 161, the sliding plate 142 is fixedly connected with the bottom of the end of the bearing plate 140, the end of the bearing plate 140 is provided with the electric wheel 143, the electric wheel 143 is in contact with the top surface of the support ring 160, the electric wheel 143 is a rubber wheel, the clamp 150 (as prior art, not too much elaboration) is arranged on the base 10, the clamp 150 is used for clamping the cathode roller, when the cathode roller is clamped, the central axis of the cathode roller is vertically arranged, in the initial state, the support ring 160 is above the cathode roller, when the electric wheel 143 rotates, the support ring 160 can be driven to rotate along the sliding plate 142, so that the detection welding mechanism 20 detects and welds the end of the cathode roller.

[0038] More specifically, the detection welding mechanism 20 comprises the pushing mechanism 210, the mounting plate 220, the detection mechanism 30, the pushing mechanism 210 (as prior art, not too much elaboration) is arranged on the ring surface of the support ring 160, the mounting plate 220 is arranged at the end of the pushing mechanism 210, the detection mechanism 30 is arranged on the mounting plate 220, the mounting plate 220 is horizontally fixedly provided with the support rod 221, the support rod 222 and the support rod 223, the support rod 221 is between the support rod 221 and the support rod 223, the end of the support rod 221 is provided with the welding gun 224, the welding direction of the welding gun 224 is inclined downward, the detection mechanism 30 comprises the detection mechanism 310 and the detection mechanism 320, the detection mechanism 310 is arranged at the bottom of the support rod 222 and close to the end of the support rod 222, the detection mechanism 320 is arranged at the bottom of the support rod 223 and close to the end of the support rod 223, the detection mechanism 310 and the detection mechanism 320 are the same in structure.

[0039] As Figures 5-7As shown, the detection mechanism 310 includes a detection block 311, a connecting column 312, a connecting sleeve 313, a support plate 314, a guide column 315, the detection block 311 is located at the bottom of the support rod 222, the side wall part of the detection block 311 is flush with the end part of the support rod 222, the connecting column 312 is vertically arranged at the top of the detection block 311, the connecting column 312 is provided with two, the connecting sleeve 313 is vertically arranged at the bottom of the support rod 222, the connecting column 312 is sleeved in the connecting sleeve 313, springs are sleeved on the connecting column 312 and the connecting sleeve 313, one end of the spring is connected with the bottom of the support rod 222, the other end of the spring is connected with the top of the detection block 311, the support plate 314 is arranged at the top of the detection block 311, the bottom of the support rod 222 is vertically provided with a stand column 226, the stand column 226 is provided with a connecting shaft 227 on the plate surface, the stand column 226 is provided with a swing rod 228, the swing rod 228 is rotationally connected between the stand column 226 and the connecting shaft 227, one end of the swing rod 228 is close to the support plate 314, the other end of the swing rod 228 is suspended, the plate surface of the swing rod 228 is provided with a guide groove 229, the guide column 315 is arranged on the plate surface of the support plate 314, the guide column 315 is matched and sleeved in the guide groove 229, the support rod 222 is provided with a distance sensor 225, the distance sensor 225 penetrates through the support rod 222 and extends to the bottom of the support rod 222, the distance sensor 225 is directly above the suspended end of the swing rod 228, after the cathode roll is clamped, the pushing mechanism 110 and the lifting mechanism 120 drive the support ring 160 to be at the center directly above the cathode roll, then the pushing mechanism 210 drives the support rod 221, the support rod 222 and the support rod 223 to move to the inner wall of the titanium cylinder close to the cathode roll, so that the end part of the support rod 221, the support rod 222 and the support rod 223 is in contact with the inner wall of the titanium cylinder, the welding gun 224 is close to the weld, then the lifting mechanism 120 drives the support ring 160 to move downward, so that the bottom of the detection block 311 is in contact with the top surface of the cathode roll, so that the detection block 311 moves to the direction close to the support rod 222, then the swing rod 228 is driven to deflect around the connecting shaft 227, the distance sensor 225 detects the distance change process of the suspended end of the swing rod 228, at this time, the lifting mechanism 120 stops working, the electric wheel 143 rotates to drive the support ring 160 to rotate along the sliding plate 142, so that the welding gun 224 welds the end part of the cathode roll, when the two groups of detection welding mechanisms 20 are arranged to weld the cathode roll, the welding efficiency of the cathode roll can be improved, and the welding deformation can be reduced.

[0040] As Figure 5 , Figure 6 , Figure 9As shown, the lower part of the support rod one 221 is provided with an exhaust pipe 330, the air inlet end of the exhaust pipe 330 is close to the detection mechanism one 310, the air outlet end of the exhaust pipe 330 is close to the detection mechanism two 320, the air inlet port and the air outlet port of the exhaust pipe 330 are towards the weld of the cathode roller, the exhaust pipe 330 is provided with a fan 331, when the cathode roller weld is welded, the support ring 160 rotates along the sliding plate 142, the weld formed after the welding of the welding gun 224 has a high temperature, the fan 331 works to suck the hot air around the weld, and the hot air is discharged to the unwelded weld through the air outlet port of the exhaust pipe 330, so as to preheat the unwelded weld, which is beneficial to heat utilization.

[0041] As shown in Figure 6 , Figures 8-10 , the side wall of the support rod one 221 is horizontally and fixedly provided with a support plate two 343, the lower part of the support rod one 221 is provided with a lifting rod 340, the lifting rod 340 is perpendicular to the support rod one 221, the top of the lifting rod 340 is vertically provided with a guide rod 344, the guide rod 344 is provided with two, the top of the guide rod 344 penetrates through the plate surface of the support plate two 343 and is provided with a baffle, the end of the lifting rod 340 is provided with a cylinder 341, the driving end of the cylinder 341 is coaxially and fixedly connected with a limiting rod 342, the top of the detection block 311 is vertically provided with a limiting plate 316, the end of the limiting rod 342 is close to the limiting plate 316, a limiting hole is opened in the plate surface of the limiting plate 316, the limiting hole is provided with a plurality of and is uniformly and interval arranged along the height direction of the limiting plate 316.

[0042] More specifically, the exhaust pipe 330 is communicated with a communicating casing 332, the impeller 334 is rotatably arranged in the communicating casing 332, the top of the impeller 334 penetrates through the communicating casing 332 and is coaxially fixedly connected with a rotating disc 335, the top disc surface of the rotating disc 335 is provided with protrusions 336, the protrusions 336 are multiple and uniformly surround the edge of the rotating disc 335, the protrusions 336 are conical and the tip points upward, the wall of the lifting rod 340 is horizontally fixedly connected with a connecting plate 345, the overhanging end of the connecting plate 345 is above the top disc surface of the rotating disc 335 and is in contact with the top disc surface of the rotating disc 335, after the cathode roll welding seam is welded, the fan 331 stops working, the cylinder 341 pushes the limiting rod 342 to insert into the limiting hole of the limiting plate 316, so as to lock the detection block 311, then the fan 331 works, the electric wheel 143 rotates to drive the supporting ring 160 to rotate along the sliding plate 142, so that the detection block 311 moves along the weld of the cathode roll, when the fan 331 works, the air flowing through the communicating casing 332 blows the impeller 334 to rotate, so as to drive the rotating disc 335 to rotate, the connecting plate 345 is in contact with the conical surface of the protrusion 336, so as to drive the connecting plate 345 and the lifting rod 340 to reciprocate along the guide rod 344, so as to drive the detection block 311 to reciprocate, so as to hammer the weld, and reduce the welding deformation.

[0043] More specifically, the exhaust pipe 330 is communicated with a filtering box 333, so as to filter the impurities.

[0044] Working principle:

[0045] In use, after the cathode roller is clamped, the pushing mechanism 110 and the lifting mechanism 120 drive the support ring 160 to be at the center above the cathode roller, then the pushing mechanism 210 drives the support rod 221, the support rod 222 and the support rod 223 to move close to the inner wall of the titanium cylinder of the cathode roller, so that the end of the support rod 221, the support rod 222 and the support rod 223 is in contact with the inner wall of the titanium cylinder, the welding gun 224 is close to the weld, then the lifting mechanism 120 drives the support ring 160 to move down, so that the bottom of the detection block 311 is in contact with the top surface of the cathode roller, so that the detection block 311 moves close to the support rod 222, then the swing rod 228 is driven to deflect around the connecting shaft 227, the distance sensor 225 detects the distance change process of the suspended end of the swing rod 228, at this time, the lifting mechanism 120 stops working, the electric wheel 143 rotates to drive the support ring 160 to rotate along the sliding plate 142, so that the welding gun 224 welds the end of the cathode roller, when the two sets of detection welding mechanisms 20 are arranged to weld the cathode roller, the welding efficiency of the cathode roller weld can be improved, and the welding deformation can be reduced. When the cathode roller weld is welded, the support ring 160 rotates along the sliding plate 142, the weld formed after the welding gun 224 welds the weld has a high temperature, the fan 331 works to suck the hot air around the weld and discharge the hot air through the exhaust port of the exhaust pipe 330 to the un-welded weld, so as to preheat the un-welded weld, which is beneficial to heat utilization. After the cathode roller weld is welded, the fan 331 stops working, the cylinder 341 pushes the limiting rod 342 to insert into the limiting hole of the limiting plate 316, so as to lock the detection block 311, then the fan 331 works, the electric wheel 143 rotates to drive the support ring 160 to rotate along the sliding plate 142, so that the detection block 311 moves along the weld of the cathode roller. When the fan 331 works, the air flowing through the communication housing 332 drives the impeller 334 to rotate, so as to drive the rotating disc 335 to rotate, the connecting plate 345 is in contact with the tapered surface of the protrusion 336, so as to drive the connecting plate 345 and the lifting rod 340 to reciprocate along the guide rod 344, so as to drive the detection block 311 to reciprocate up and down, so as to hammer the weld to reduce the welding deformation.

[0046] It should be noted that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the specification and claims of the present application are not limited, but only for convenience of description.

Claims

1. An apparatus for reducing welding and machining distortion at the end of a large-size cathode roller, characterized by, It includes: The base, the pushing mechanism one, the lifting mechanism, the support seat, the bearing plate, the pushing mechanism one is arranged on the base, the pushing direction of the pushing mechanism one is horizontally arranged, the lifting mechanism is vertically arranged on the pushing end of the pushing mechanism one, the support seat is arranged on the top of the lifting mechanism, the side wall of the support seat is provided with the bearing plate, the side wall of the support seat is provided with motor, the output shaft of motor is horizontally arranged, the bearing plate is driven to overturn through motor, the end of the bearing plate away from the support seat is provided with the support ring, the support ring is provided with detection welding mechanism, detection welding mechanism is provided with two groups and is symmetrically arranged, the top surface of support ring is provided with sliding groove, sliding groove is annular groove, sliding plate is slidably matched and arranged in sliding groove, sliding plate is fixedly connected with the bottom of the end of bearing plate, the end of bearing plate is provided with electric wheel, electric wheel is in contact with the top surface of support ring, electric wheel is rubber wheel, clamp is arranged on the base, clamp is used for clamping cathode roller, when cathode roller is clamped, the center axis of cathode roller is vertically arranged, in initial state, support ring is above cathode roller; The detection welding mechanism includes the pushing mechanism two, the mounting plate and the detection mechanism, the pushing mechanism two is arranged on the ring surface of the support ring, the mounting plate is arranged on the end of the pushing mechanism two, the detection mechanism is arranged on the mounting plate, the plate surface of the mounting plate is horizontally fixedly provided with the support rod one, the support rod two and the support rod three, the support rod two is between the support rod one and the support rod three, the end of the support rod two is provided with the welding gun, the welding direction of the welding gun is obliquely downward, the detection mechanism includes the detection mechanism one and the detection mechanism two, the detection mechanism one is arranged on the bottom of the support rod two and close to the end of the support rod two, the detection mechanism two is arranged on the bottom of the support rod three and close to the end of the support rod three, the detection mechanism one and the detection mechanism two are same in structure; The detection mechanism one includes the detection block, the connecting column, the connecting sleeve, the support plate one and the guide column, the detection block is on the bottom of the support rod two, the side wall of the detection block is flush with the end of the support rod two, the connecting column is vertically arranged on the top of the detection block, the connecting column is provided with two, the connecting sleeve is vertically arranged on the bottom of the support rod two, the connecting column is sleeved in the connecting sleeve, the spring is sleeved on the connecting column and the connecting sleeve, one end of the spring is connected with the bottom of the support rod two, the other end of the spring is connected with the top of the detection block, the support plate one is arranged on the top of the detection block, the vertical column is vertically arranged on the bottom of the support rod two, the connecting shaft is arranged on the plate surface of the vertical column, the swing rod is arranged on the vertical column, the swing rod is rotatably connected with the vertical column through the connecting shaft, one end of the swing rod is close to the support plate one, the other end of the swing rod is suspended, the guide groove is arranged on the plate surface of the swing rod, the guide column is arranged on the plate surface of the support plate one and is matched and sleeved in the guide groove, the distance sensor is arranged on the support rod two, the distance sensor extends through the support rod two to the bottom of the support rod two, the distance sensor is directly above the suspended end of the swing rod.

2. The apparatus of claim 1, wherein the apparatus further comprises a plurality of rollers arranged in a line along the length of the cathode roller, wherein the plurality of rollers are arranged to apply a force to the cathode roller to reduce the welding and machining deformation of the cathode roller. The lower side of the support rod one is provided with the exhaust pipe, the air inlet end of the exhaust pipe is close to the detection mechanism one, the air outlet end of the exhaust pipe is close to the detection mechanism two, the air inlet port and the air outlet port of the exhaust pipe are towards the weld of the cathode roller, the fan is arranged on the exhaust pipe.

3. The apparatus of claim 2, wherein the apparatus further comprises a plurality of rollers arranged to reduce the welding and machining deformation of the end of the large-size cathode roller. The side wall of the support rod one is horizontally and fixedly provided with a support plate two, the lower portion of the support rod one is provided with a lifting rod, the lifting rod is perpendicular to the support rod one, the top of the lifting rod is vertically provided with a guide rod, the guide rod is provided with two, the top of the guide rod penetrates through the plate surface of the support plate two and is provided with a baffle.

4. The apparatus of claim 3, wherein the apparatus further comprises a plurality of rollers arranged to support the large-size cathode roller. The end of the lifting rod is provided with a pneumatic cylinder, the driving end of the pneumatic cylinder is coaxially and fixedly connected with a limiting rod, the top of the detection block is vertically provided with a limiting plate, the end of the limiting rod is close to the limiting plate, a limiting hole is formed in the plate surface of the limiting plate, the limiting hole is provided with a plurality of and is uniformly and spacedly arranged along the height direction of the limiting plate.

5. The apparatus of claim 4, wherein the apparatus further comprises a plurality of rollers disposed between the first and second rollers. The exhaust pipe is communicated with a communication shell, the communication shell is rotatably provided with an impeller, the top of the impeller penetrates through the communication shell and is coaxially and fixedly connected with a rotating disc, the top disc surface of the rotating disc is provided with a protruding block, the protruding block is provided with a plurality of and is uniformly and circumferentially arranged on the edge of the rotating disc, the protruding block is conical and the tip is upward, the wall of the lifting rod is horizontally and fixedly connected with a connecting plate, the suspended end of the connecting plate is above the top disc surface of the rotating disc and is in contact with the top disc surface of the rotating disc.

6. The apparatus of claim 5, wherein the apparatus further comprises a plurality of rollers disposed between the first and second rollers. The exhaust pipe is communicated with a filter box.

7. The machining process of the device for reducing welding and machining deformation of the end of the large-size cathode roller according to claim 6, characterized in that: S1. After the cathode roller is clamped, the pushing mechanism one and the lifting mechanism drive the support ring to be in the center above the cathode roller, then the pushing mechanism two drives the support rod one, the support rod two and the support rod three to move towards the inner wall of the titanium cylinder of the cathode roller, so that the ends of the support rod one, the support rod two and the support rod three are in contact with the inner wall of the titanium cylinder, the welding gun is close to the weld, then the lifting mechanism drives the support ring to move downward, so that the bottom of the detection block is in contact with the top surface of the cathode roller, so that the detection block moves towards the support rod two, then the swing rod is driven to deflect around the connecting shaft, the distance sensor detects the distance change process of the suspended end of the swing rod, at this time, the lifting mechanism stops working, the electric wheel rotates to drive the support ring to rotate along the sliding plate, so that the welding gun welds the end of the cathode roller; S2. When the cathode roller weld is welded, the support ring rotates along the sliding plate, the temperature of the weld formed after the welding gun welds is high, the fan works to suck the hot air around the weld and discharge the hot air to the unwelded weld through the exhaust port of the exhaust pipe, so as to preheat the unwelded weld; S3. After the cathode roller weld is welded, the fan stops working, the pneumatic cylinder drives the limiting rod to insert into the limiting hole of the limiting plate, so as to lock the detection block, then the fan works, the electric wheel rotates to drive the support ring to rotate along the sliding plate, so that the detection block moves along the weld of the cathode roller, when the fan works, the wind flowing through the communication shell drives the impeller to rotate, so as to drive the rotating disc to rotate, the connecting plate is in contact with the conical surface of the protruding block, so as to drive the connecting plate and the lifting rod to reciprocate along the guide rod, so as to drive the detection block to reciprocate up and down, so as to hammer the weld to reduce the welding deformation.

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