CN211052819U - Steel band overlap joint weldment work station - Google Patents
Steel band overlap joint weldment work station Download PDFInfo
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- CN211052819U CN211052819U CN201922120952.8U CN201922120952U CN211052819U CN 211052819 U CN211052819 U CN 211052819U CN 201922120952 U CN201922120952 U CN 201922120952U CN 211052819 U CN211052819 U CN 211052819U
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Abstract
The utility model provides a steel belt lap welding workstation, which comprises a frame, wherein the frame is provided with an installation platform, and the installation platform is provided with a steel belt guiding device, a plate conveying device, a fixed distance feeding device, a shearing device and a welding device; the steel band lap welding workstation of the utility model can realize the functions of automatic material shearing, fixed-distance feeding, automatic continuous feeding and automatic welding, thereby improving the welding production efficiency and reducing the labor intensity of workers; the appearance shape and the product percent of pass of the welded workpiece product are improved compared with the traditional welding machine, the connection strength of the steel belt can be effectively improved, the steel belt is not easy to break on a production line, and the quality is ensured more.
Description
Technical Field
The utility model relates to a steel band processing technology field, more specifically say, in particular to steel band overlap joint weldment work station.
Background
On production lines such as steel strip electroplating and pickling lines, when a roll of steel strip is used up and then replaced by a roll of steel strip, the connection between the steel strip and the roll of steel strip is very difficult, the traditional mode is always that an argon arc welding machine is adopted for welding, and the mode has more problems, for example, the quality after welding cannot be well guaranteed, and particularly the strength cannot be guaranteed. Once insufficient strength occurs, the steel strip breaks on the production line, resulting in a very costly stop of the entire production line and a renewed production. In addition, the manual welding has low production efficiency, and the welding operation on the production line is inconvenient.
SUMMERY OF THE UTILITY MODEL
Problem (A)
In conclusion, how to provide a welding device which can better adapt to the requirements of a steel strip production line becomes a technical problem to be solved at present.
(II) technical scheme
The utility model provides a steel belt lap welding workstation, which comprises a frame, wherein the frame is provided with an installation platform, and the installation platform is provided with a steel belt guiding device, a plate conveying device, a fixed distance feeding device, a shearing device and a welding device; the steel belt guiding device is used for adjusting the position of the steel belt and is arranged at the tail end of the advancing direction of the steel belt; the plate conveying device is used for conveying a steel belt and is arranged at the front end of the steel belt guiding device; the two distance feeding devices are respectively used for feeding two sections of steel strips to be welded to the shearing device for shearing; the two sets of shearing devices are symmetrically arranged on two sides of the welding device and used for trimming one end to be welded of the two sections of steel strips; the welding device is used for welding steel strips of which two sides need to be butted.
Preferably, the steel strip guiding device comprises a material guider, a guiding block and a bracket; the material guide is composed of two rollers; the guide block is adjustably arranged at the front end of the material guide and is used for guiding the steel strip transmitted by the material guide to the position of the welding device; the bracket is arranged below the guide block and used for supporting the steel belt.
Preferably, the plate conveying device comprises a first speed reduction motor, a mounting frame, a lower conveying roller, an upper conveying roller and a pressure cylinder; the upper conveying roller and the lower conveying roller are arranged on the mounting rack, the upper conveying roller is positioned right above the lower conveying roller, and the upper conveying roller can move up and down in the mounting rack; the lower conveying roller is driven by the first speed reducing motor; the pressure cylinder is arranged at the top of the mounting frame, and a piston rod of the pressure cylinder is connected with the upper transmission roller.
Preferably, the distance feeding device comprises a driving mechanism and a pressing mechanism; the driving mechanism comprises a feeding cylinder, two guide rods arranged on the rack and a feeding sliding seat arranged on the guide rods; the cylinder seat of the feeding cylinder is fixedly arranged on the frame, and the piston rod of the feeding cylinder is connected with the feeding sliding seat; the pressing mechanism comprises a feeding pressing cylinder and a plastic pressing shoe, the feeding pressing cylinder is installed on the feeding sliding seat, and the plastic pressing shoe is installed at the end of a piston rod of the feeding pressing cylinder.
Preferably, seven feeding cylinders are arranged, the seven feeding cylinders are arranged in a row, and piston rods of the seven feeding cylinders are respectively connected with the top of the plastic press shoe; the cylinder diameter of the feeding cylinder is 63 mm.
Preferably, the shearing device comprises two shearing cylinders, two connecting rods, a movable frame, a shaft seat, two pull rods and a shear seat; the two shearing cylinders are arranged on the bottom surface of the mounting platform side by side, and the shaft seat is fixedly arranged below the mounting platform; the piston rod end of the shearing cylinder is connected with the connecting rod, and the two ends of the movable frame are respectively and rotatably connected with the connecting rod and the shaft seat; one end of the bottom of each of the two pull rods is rotatably arranged on two sides of the movable frame, and one end of the top of each of the two pull rods is connected with the scissor seat.
Preferably, the welding device comprises a welding travelling mechanism, a welding transformer, a welding cylinder, a pair of chromium-zirconium-copper welding wheels, a lower electrode assembly and a welding material pressing cylinder; the welding transformer is arranged on the welding travelling mechanism, and the output end of the welding transformer is connected with the chromium-zirconium-copper welding wheel; the welding cylinder is arranged on the welding travelling mechanism, and the chromium-zirconium-copper welding wheel is arranged at the piston rod end of the welding cylinder; the lower electrode assembly is arranged below the chromium-zirconium-copper welding wheel, and the welding material pressing cylinder is arranged on the lower electrode assembly and compresses a steel belt in advance.
Preferably, the welding driving part comprises two linear guide rails, a second speed reducing motor and a ball screw pair; the ball screw pair is arranged between the two linear guide rails, a welding table is connected onto a nut of the ball screw pair, the welding cylinder is arranged on the welding table, and a screw of the ball screw pair is connected with the second speed reduction motor.
(III) advantageous effects
Compare with current arc welding machine, the utility model discloses a steel band overlap joint weldment work station has following advantage: compared with the traditional welding machine, the appearance shape and the product qualification rate of the welded workpiece product are improved, the connection strength of the steel strip can be effectively improved, the steel strip is not easy to break on a production line, and the quality is more ensured; the automatic welding machine can realize the functions of automatic material shearing, fixed-distance feeding, automatic continuous feeding and automatic welding, improves the welding production efficiency and reduces the labor intensity of workers.
Drawings
FIG. 1 is a structural diagram of a steel strip lap welding station in an embodiment of the present invention;
FIG. 2 is a side sectional view of a steel band lap welding station in an embodiment of the present invention;
in fig. 1 to 2, the correspondence between the part names and the reference numbers is:
1-a rack, 2-an installation platform, 3-a plate conveying device, 31-a first speed reduction motor, 32-a mounting rack, 33-a lower conveying roller, 34-an upper conveying roller, 35-a pressure applying cylinder, 4-a distance feeding device, 41-a feeding cylinder, 42-a guide rod, 43-a feeding sliding seat, 44-a feeding pressing cylinder, 45-a plastic press shoe, 5-a shearing device, 51-a shearing cylinder, 52-a connecting rod, 53-a movable rack, 54-a shaft seat, 55-a pull rod, 56-a shear seat, 6-a welding device, 61-a welding travelling mechanism, 62-a welding cylinder, 2-a mounting platform, 3-a plate conveying device, 31-a first speed reduction motor, 32, 63-chromium zirconium copper welding wheel, 64-lower electrode component, 65-welding material cylinder.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the present invention provides a steel strip lap welding workstation, which includes a frame 1, wherein a mounting platform 2 is disposed on the frame 1, and a steel strip guiding device (not shown), a plate conveying device 3, a fixed-distance feeding device 4, a shearing device 5 and a welding device 6 are disposed at the mounting platform 2; the steel belt guiding device is used for adjusting the position of the steel belt and is arranged at the tail end of the advancing direction of the steel belt; the plate conveying device 3 is used for conveying a steel belt, and the plate conveying device 3 is arranged at the front end of the steel belt guiding device; two sets of distance feeding devices 4 are arranged and are respectively used for feeding two sections of steel strips to be welded to the shearing device 5 for shearing; the two sets of shearing devices 5 are symmetrically arranged on two sides of the welding device 6 and used for trimming the ends to be welded of the two steel strips; the welding device 6 is used for welding steel strips of which two sides need to be butted.
In the production line of steel belt electroplating and pickling and the like, when a steel belt is used up and then a steel belt is used up, the steel belt and the steel belt are very difficult to connect, the traditional mode is that an argon arc welding machine is adopted for welding, the connection strength is difficult to guarantee, and meanwhile, the welding is difficult to operate, in the embodiment of the invention, a steel belt guiding device, a plate conveying device 3, a distance feeding device 4, a shearing device 5 and a welding device 6 are arranged for realizing the functions of automatic material shearing, distance feeding, automatic continuous feeding, automatic welding and the like, P L C can be adopted for control in the working process, a welding power supply can be controlled by a CK-II resistance welding controller, the technology is common in automatic welding equipment and is widely applied, the steel belt guiding device is used for guiding the steel belt conveyed from an unreeling machine to a specified welding position, so that the welding machine can carry out welding work aiming at a welding seam, the steel belt enters a plate conveying device 3 after passing through the steel belt guiding device, the steel belt enters the steel belt conveying device 3, the steel belt conveying device 3 mainly has the effect that the steel belt cannot convey the steel belt after the unreeling machine is unreeled after the steel belt is unreeled, or the steel belt falls into a fixed distance conveying device, the steel belt conveying device is arranged beside the steel belt conveying device, the steel belt conveying device is arranged for the steel belt conveying device, the steel belt is used for conveying the steel belt, the steel belt is arranged for conveying device, the steel belt conveying device, the steel belt is used for conveying the steel belt, the steel belt conveying device for conveying the steel belt, the steel belt is arranged for conveying the steel belt, the steel belt conveying device for conveying the steel belt, the steel belt for conveying the steel belt for conveying, the steel belt for the steel belt.
Preferably, the steel strip guiding device comprises a material guider, a guiding block and a bracket; the material guide is composed of two rollers; the guide block is adjustably arranged at the front end of the material guide and is used for guiding the steel strip transmitted by the material guide to the position of the welding device; the bracket is arranged below the guide block and used for supporting the steel belt.
By means of the above-described design, a material guide consisting of two rollers is mounted at the end of the machine, and a carrier and a guide block are mounted on the machine, which together support and guide the material. In this embodiment, the structure of the guide block is set to be adjustable, and the position or the opening width of the guide block can be correspondingly moved according to different plates so as to adapt to the welding of the plates with different widths.
Preferably, the plate conveying device 3 comprises a first speed reduction motor 31, a mounting frame 32, a lower conveying roller 33, an upper conveying roller 34 and a pressing cylinder 35; the upper conveying roller 34 and the lower conveying roller 33 are arranged on the mounting frame, the upper conveying roller 34 is positioned right above the lower conveying roller 33, and the upper conveying roller 34 can move up and down in the mounting frame 32; the lower conveying roller 33 is driven by the first reduction motor 31; the pressure cylinder 35 is disposed on the top of the mounting frame 32 and the piston rod thereof is connected to the upper transfer roller 34.
The utility model discloses an in the embodiment, panel conveyor's effect is mainly for preventing that the machine of unreeling from putting the coil stock the back steel band can't carry, or the steel band falls into under the dead weight effect in the hole between the equipment. Therefore, when the material needs to take over the unreeling machine for conveying, the material can be pressed by the upper conveying roller 34 and the pressing air cylinder 35, and the lower conveying roller 33 provides power for the steel strip to convey the steel strip forwards. The lower conveying roller 33 is directly driven by the first speed reducing motor 31, and the rotating speed of the first speed reducing motor 31 can be adjusted through a common frequency converter, so that the conveying speed of the plate can be adjusted. When the length of the steel belt is enough, the steel belt does not need to be compressed and conveyed, the upper conveying roller 34 moves up and down through the pressure applying cylinder 35, the upper conveying roller 34 is positioned at the upper end, and the steel belt can smoothly pass between the two rollers; when it is desired to feed the material, the upper transfer roller 34 is positioned at the lower end and the material is compacted by the pressure cylinder 35. Further, a pressing cylinder 35 with adjustable pressing force can be adopted to use the conveying requirements of different products.
Preferably, the distance feeding device 4 comprises a driving mechanism and a pressing mechanism; the driving mechanism comprises a feeding cylinder 41, two guide rods 42 arranged on the rack 1 and a feeding sliding seat 43 arranged on the guide rods 42; the cylinder seat of the feeding cylinder 41 is fixedly arranged on the frame 1, and the piston rod of the feeding cylinder is connected with the feeding sliding seat 43; the pressing mechanism comprises a feeding pressing cylinder 44 and a plastic pressing shoe 45, the feeding pressing cylinder 44 is mounted on the feeding sliding seat 43, and the plastic pressing shoe 45 is mounted at the piston rod end of the feeding pressing cylinder.
In the embodiment of the present invention, the fixed distance feeding device 4 is composed of a pressing mechanism and a driving mechanism. Wherein, the compressing part is provided with a feeding compressing cylinder 44, the piston rod end of the cylinder is provided with a plastic press shoe 45, and the plastic press shoe 45 is driven by the action of the feeding compressing cylinder 44, thereby realizing the compression of the steel belt. The feeding slide 43 of the driving part is mounted on the two guide rods 32 and is driven by a feeding cylinder 41 to move back and forth through a linear bearing, so that the steel strip is conveyed at a fixed distance. The two are matched together to realize the compaction and the conveying of the steel strip.
Preferably, seven feeding air cylinders 41 are arranged, the seven feeding air cylinders 41 are arranged in a row, and piston rods of the feeding air cylinders are respectively connected with the tops of the plastic press shoes 45; the cylinder diameter of the feeding cylinder 41 is 63 mm.
Preferably, the shearing device 5 comprises two shearing cylinders 51, two connecting rods 52, a movable frame 53, a shaft seat 54, two pull rods 55 and a shear seat 56; the two shearing cylinders 51 are arranged on the bottom surface of the mounting platform 2 side by side, and the shaft seat 54 is fixedly arranged below the mounting platform 2; the end of a piston rod of the shearing cylinder 51 is connected with the connecting rod 52, and two ends of the movable frame 53 are respectively rotatably connected with the connecting rod 52 and the shaft seat 54; one end of the bottom of each of the two pull rods 55 is rotatably disposed on each of the two sides of the movable frame 53, and one end of the top thereof is connected to the scissor seat 56.
Through the structural design, the two sides of the welding device are respectively provided with the shearing device 4 for shearing the head and the tail of the coil stock. Each shearing device 4 is provided with two shearing cylinders 51 for providing shearing power. Specifically, when the steel strip needs to be cut, the two cutting cylinders 51 act together, and the two connecting rods 52 are driven to move upwards together through retraction of the piston rods of the two cutting cylinders, the connecting rods 52 are rotatably connected with the movable frame 53, the movable frame 53 is rotatably connected with the shaft seat 54, and the shaft seat 54 is fixed, so that when the connecting rods 52 move upwards, the movable frame 53 starts to rotate upwards by taking the shaft seat 54 as a circle center, the movement of the movable frame 53 drives the pull rods 55 connected with the two sides of the movable frame 53 to move upwards, so as to drive the scissor seats 56 above the pull rods 55 to push upwards, the steel strip keeps the position still under the action of the pressing mechanism of the fixed-distance feeding device 4, and therefore, the scissor seats 56 cut and remove the residual materials of the steel strip when. In order to ensure the cutting quality, the cutting edges of the scissors at the scissors seat 56 should be checked frequently to see if the gaps are normal. If abnormal, the cutting edge should be reground or the gap should be adjusted.
Preferably, the welding device 6 comprises a welding travelling mechanism 61, a welding transformer (not shown in the figures), a welding cylinder 62, a pair of chromium-zirconium-copper welding wheels 63, a lower electrode assembly 64 and a welding material pressing cylinder 65; the welding transformer is arranged on the welding travelling mechanism 61, and the output end of the welding transformer is connected with the chromium-zirconium-copper welding wheel 63; the welding cylinder 62 is arranged on the welding travelling mechanism 61, and the chrome-zirconium-copper welding wheel 63 is arranged at the piston rod end of the welding cylinder 62; the lower electrode assembly 64 is arranged below the chromium-zirconium-copper welding wheel 63, and the welding material pressing cylinder 62 is arranged on the lower electrode assembly 64 and used for pre-pressing a steel strip.
The utility model discloses an in the embodiment, the overlap joint welding of panel is through installing 40KVA welding transformer and a pair of chromium zirconium copper welding wheel 63 on welding running gear 61, and electrode subassembly is accomplished down in addition, adopts the two dot mode of single face, once can weld two welding seams. The 40KVA welding transformer is controlled by a CK-II resistance welding controller, the welding specification is set by the CK-II resistance welding controller, a welding travelling mechanism moves linearly along a guide rail, a welding cylinder arranged on the welding travelling mechanism provides up-and-down movement for a chromium-zirconium-copper welding wheel, and a welding material pressing cylinder 65 arranged on a lower electrode component 64 compresses a plate in advance before welding. During operation, the welding material pressing cylinder 65 acts to pre-compress the steel plates, so that the positions of the two steel plates are kept stable, then the welding cylinder 62 acts to move the chromium-zirconium-copper welding wheel 63 to the welding position, and then the welding travelling mechanism 1 acts to drive the chromium-zirconium-copper welding wheel 63 to do linear motion and weld the steel strips. The welding material pressing cylinder 65 has multiple pressing modes, the welding material pressing cylinder 65 and a pressing plate can be arranged on two side faces of the lower motor assembly 64 respectively and press two sides of a steel belt together, a support similar to a portal frame can also be arranged, a steel plate passes through the lower portion of the support, the welding material pressing cylinder 65 drives the support to press downwards to be pressed tightly, and the chromium-zirconium-copper welding wheel 63 can penetrate through a gap of the support to be welded and the like.
Preferably, the welding driving part comprises two linear guide rails, a second speed reducing motor and a ball screw pair; the ball screw pair is arranged between the two linear guide rails, a welding table is connected onto a nut of the ball screw pair, the welding cylinder is arranged on the welding table, and a screw of the ball screw pair is connected with the second speed reduction motor. By adopting the ball screw structure, the movement of the welding cylinder 62 and the chrome zirconium copper welding wheel 63 is more stable.
Compare with current arc welding machine, the utility model discloses a steel band overlap joint weldment work station has following advantage: compared with the traditional welding machine, the appearance shape and the product qualification rate of the welded workpiece product are improved, the connection strength of the steel strip can be effectively improved, the steel strip is not easy to break on a production line, and the quality is more ensured; the automatic welding machine can realize the functions of automatic material shearing, fixed-distance feeding, automatic continuous feeding and automatic welding, improves the welding production efficiency and reduces the labor intensity of workers.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A steel strip lap welding workstation is characterized by comprising a rack, wherein an installation platform is arranged on the rack, and a steel strip guide device, a plate conveying device, a fixed-distance feeding device, a shearing device and a welding device are arranged at the installation platform; the steel belt guiding device is used for adjusting the position of the steel belt and is arranged at the tail end of the advancing direction of the steel belt; the plate conveying device is used for conveying a steel belt and is arranged at the front end of the steel belt guiding device; the two distance feeding devices are respectively used for feeding two sections of steel strips to be welded to the shearing device for shearing; the two sets of shearing devices are symmetrically arranged on two sides of the welding device and used for trimming one end to be welded of the two sections of steel strips; the welding device is used for welding steel strips of which two sides need to be butted.
2. The steel strip lap welding station according to claim 1, wherein said steel strip guiding means comprises a material guide, a guide block and a bracket; the material guide is composed of two rollers; the guide block is adjustably arranged at the front end of the material guide and is used for guiding the steel strip transmitted by the material guide to the position of the welding device; the bracket is arranged below the guide block and used for supporting the steel belt.
3. The steel strip lap welding workstation according to claim 2, wherein said plate material conveying device comprises a first speed reduction motor, a mounting frame, a lower conveying roller, an upper conveying roller and a pressure cylinder; the upper conveying roller and the lower conveying roller are arranged on the mounting frame, the upper conveying roller is positioned right above the lower conveying roller, and the upper conveying roller can move up and down in the mounting frame; the lower conveying roller is driven by the first speed reducing motor; the pressure cylinder is arranged at the top of the mounting frame, and a piston rod of the pressure cylinder is connected with the upper transmission roller.
4. The steel strip lap welding workstation of claim 3, wherein said distance feeder comprises a drive mechanism and a hold-down mechanism; the driving mechanism comprises a feeding cylinder, two guide rods arranged on the rack and a feeding sliding seat arranged on the guide rods; the cylinder seat of the feeding cylinder is fixedly arranged on the frame, and the piston rod of the feeding cylinder is connected with the feeding sliding seat; the pressing mechanism comprises a feeding pressing cylinder and a plastic pressing shoe, the feeding pressing cylinder is installed on the feeding sliding seat, and the plastic pressing shoe is installed at the end of a piston rod of the feeding pressing cylinder.
5. The steel strip lap welding workstation of claim 4, wherein there are seven feed cylinders, seven of said feed cylinders being arranged in a row, and the piston rods thereof being respectively connected to the tops of said plastic press shoes; the cylinder diameter of the feeding cylinder is 63 mm.
6. The steel strip lap welding workstation of claim 4, wherein said shearing device comprises two shearing cylinders, two connecting rods, a movable frame, an axle seat, two pull rods and a shear seat; the two shearing cylinders are arranged on the bottom surface of the mounting platform side by side, and the shaft seat is fixedly arranged below the mounting platform; the piston rod end of the shearing cylinder is connected with the connecting rod, and the two ends of the movable frame are respectively and rotatably connected with the connecting rod and the shaft seat; one end of the bottom of each of the two pull rods is rotatably arranged on two sides of the movable frame, and one end of the top of each of the two pull rods is connected with the scissor seat.
7. The steel strip lap welding workstation of claim 6, wherein said welding device comprises a welding traveling mechanism, a welding transformer, a welding cylinder, a pair of chrome zirconium copper welding wheels, a lower electrode assembly and a welding material pressing cylinder; the welding transformer is arranged on the welding travelling mechanism, and the output end of the welding transformer is connected with the chromium-zirconium-copper welding wheel; the welding cylinder is arranged on the welding travelling mechanism, and the chromium-zirconium-copper welding wheel is arranged at the piston rod end of the welding cylinder; the lower electrode assembly is arranged below the chromium-zirconium-copper welding wheel, and the welding material pressing cylinder is arranged on the lower electrode assembly and compresses a steel belt in advance.
8. The steel strip lap welding workstation of claim 7, wherein said welding driving portion comprises two linear guide rails, a second speed reduction motor and a ball screw pair; the ball screw pair is arranged between the two linear guide rails, a welding table is connected onto a nut of the ball screw pair, the welding cylinder is arranged on the welding table, and a screw of the ball screw pair is connected with a second speed reduction motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120952.8U CN211052819U (en) | 2019-11-29 | 2019-11-29 | Steel band overlap joint weldment work station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922120952.8U CN211052819U (en) | 2019-11-29 | 2019-11-29 | Steel band overlap joint weldment work station |
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| CN211052819U true CN211052819U (en) | 2020-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741114A (en) * | 2022-11-22 | 2023-03-07 | 中山市德信自动化设备科技有限公司 | Automatic welding and assembling integrated production line for transformer |
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2019
- 2019-11-29 CN CN201922120952.8U patent/CN211052819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741114A (en) * | 2022-11-22 | 2023-03-07 | 中山市德信自动化设备科技有限公司 | Automatic welding and assembling integrated production line for transformer |
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