Copper bar bus unwinding and flattening device

Abstract

The utility model relates to copper bar busbar unwinding technical field, and disclose copper bar busbar unwinding leveling device, including the bottom frame of integrated unwinding machine, the bottom frame top is located the rear side of unwinding machine and is provided with the pretreatment module for the stress preliminary release of copper bar busbar, the rear side of pretreatment module is provided with the leveling module that carries out leveling to copper bar busbar, wherein, the leveling module includes the lower leveling frame of setting in the bottom frame top and the mounting bracket fixed through bolt, the upper leveling frame is slidably connected between the both sides inner wall of mounting bracket, the utility model discloses the cooperative work of pretreatment module and leveling module, realized the continuous operation of copper bar busbar from stress release to high accuracy leveling, effectively promoted the processing quality and production efficiency of copper bar busbar, provided stable and reliable blank guarantee for the follow -up cutting, punching and other processes.

Description

Technical Field

[0001] This utility model relates to the field of copper busbar unwinding technology, and more specifically to a copper busbar unwinding and leveling device. Background Technology

[0002] Copper busbars are key components used for high-current transmission and connection in electrical engineering. They are long conductors with a rectangular or chamfered (rounded) rectangular cross-section and are made of copper. Typically, single-layer copper busbars are wound and stored using a winding rack.

[0003] A search revealed a Chinese patent with publication number CN208861726U, which discloses an unwinding device for copper busbar production. This device features low labor intensity and avoids safety hazards. However, after the copper busbar is unwound, it has a certain degree of curvature. Directly performing subsequent processing can easily lead to insufficient dimensional accuracy and non-compliance with surface flatness requirements, affecting the stability and safety of the copper busbar in electrical connections. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a copper busbar unwinding and leveling device to solve the problems existing in the background art.

[0005] This utility model provides the following technical solution: a copper busbar unwinding and leveling device, including a base frame integrating an unwinding machine, a pretreatment module for initial stress release of the copper busbar is provided on the top of the base frame behind the unwinding machine, and a leveling module for leveling the copper busbar is provided on the rear side of the pretreatment module. The leveling module includes a lower leveling frame set on the top of the base frame and a mounting frame fixed by bolts. An upper leveling frame is slidably connected between the inner walls of the two sides of the mounting frame. The pre-treated copper busbar passes through the upper leveling frame and the lower leveling frame. The upper leveling frame and the lower leveling frame work together to level the copper busbar. The pretreatment module includes at least three sets of guide rollers, with a height difference between two adjacent sets of guide rollers. Each set of guide rollers includes two fixed frames fixed to the top of the base frame, and a straightening roller is rotatably connected between the two fixed frames via a bearing.

[0006] As a further embodiment of this utility model, a hydraulic cylinder is fixed to the top outer wall of the mounting frame by bolts, and the output end of the hydraulic cylinder passes through the mounting frame and is fixed to the upper leveling frame.

[0007] As a further embodiment of this utility model, auxiliary belts are sleeved on the outer circumference of the multiple leveling rollers of the upper and lower leveling frames.

[0008] As a further embodiment of this utility model, a connecting frame fixed to the top of the base frame is provided between two adjacent fixed frames, a second guide plate is welded between two adjacent connecting frames, and a first guide plate and a third guide plate are welded to opposite sides of two adjacent connecting frames respectively.

[0009] As a further embodiment of this invention, the top ends of the first guide plate and the third guide plate are located on the same horizontal plane as the center line of the straightening roller.

[0010] As a further embodiment of this utility model, the first guide plate, the second guide plate, and the third guide plate are all arc-shaped.

[0011] As a further embodiment of this utility model, the two ends of the second guide plate are respectively located below the first guide plate and the third guide plate.

[0012] As a further embodiment of this utility model, an auxiliary roller frame is fixed to the top of the base frame by bolts, and the auxiliary roller frame is located on the rear side of the leveling module.

[0013] The technical effects and advantages of this utility model are as follows: 1. This utility model achieves continuous operation of copper busbar from stress release to high-precision leveling through the coordinated work of the pretreatment module and the leveling module, effectively improving the processing quality and production efficiency of copper busbar, and providing a stable and reliable blank guarantee for subsequent cutting, drilling and other processes.

[0014] 2. This utility model has a pre-treatment module, in which the copper busbar passes through straightening rollers of different heights in sequence under the guidance of the guide roller group, and the bending deformation generated by the height difference initially releases the internal stress.

[0015] 3. This utility model, by providing an auxiliary belt, ensures that the copper busbar does not shift during the leveling process, thereby ensuring the stability and accuracy of the leveling operation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This utility model Figure 1 A schematic diagram of the enlarged structure of the preprocessing module.

[0018] Figure 3 This utility model Figure 2 Enlarged schematic diagram of the middle connecting frame.

[0019] Figure 4 This utility model Figure 1 Enlarged structural diagram of the leveling module.

[0020] The attached diagram is labeled as follows: 1. Base frame; 2. Pre-treatment module; 3. Leveling module; 4. Auxiliary roller frame; 201. Fixed frame; 202. Straightening roller; 203. Connecting frame; 204. First guide plate; 205. Second guide plate; 206. Third guide plate; 301. Mounting frame; 302. Upper leveling frame; 303. Lower leveling frame; 304. Auxiliary belt; 305. Hydraulic cylinder. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. This utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Reference Figures 1-4 The present invention provides a copper busbar unwinding and leveling device, including a base frame 1 (not shown in the figure) integrating an unwinding machine. A pretreatment module 2 for initial stress release of the copper busbar is provided on the top of the base frame 1 behind the unwinding machine. A leveling module 3 for leveling the copper busbar is provided on the rear side of the pretreatment module 2. The leveling module 3 includes a lower leveling frame 303 set on the top of the base frame 1 and a mounting frame 301 fixed by bolts. An upper leveling frame 302 is slidably connected between the inner walls of both sides of the mounting frame 301. A hydraulic cylinder 305 is fixed to the top outer wall of the mounting frame 301 by bolts. The output end of the hydraulic cylinder 305 passes through the mounting frame 301 and is fixed to the upper leveling frame 302. The pre-treated copper busbar passes between the upper leveling frame 302 and the lower leveling frame 303. The upper leveling frame 302 and the lower leveling frame 303 cooperate to perform leveling operations on the copper busbar. The pretreatment module 2 includes at least three sets of guide rollers, with a height difference between two adjacent sets of guide rollers. Each set of guide rollers includes two fixed frames 201 fixed to the top of the base frame 1. A straightening roller 202 is rotatably connected between the two fixed frames 201 via a bearing. When it is necessary to level the unwound copper busbar, first pass the copper busbar through the upper guide roller group and the lower guide roller group, and enter between the upper leveling frame 302 and the lower leveling frame 303. Start the hydraulic cylinder 305, and its output end pushes the upper leveling frame 302 to move downward until the upper leveling frame 302 and the lower leveling frame 303 form a suitable clamping force on the copper busbar. As the unwinding machine continues to unwind, the copper busbar passes through straightening rollers 202 of different heights in sequence under the guidance of the guide roller group. The bending deformation caused by the height difference initially releases the internal stress, and then enters the leveling module 3. Under the combined action of the upper leveling frame 302 and the lower leveling frame 303, the copper busbar is subjected to the squeezing force in the vertical direction, and the original uneven defects such as warping and wavy are gradually flattened, eventually forming a flat copper busbar output. Throughout the process, the pressure of the upper leveling frame 302 can be adjusted by regulating the pressure of the hydraulic cylinder 305 according to the thickness and material characteristics of the copper busbar, so as to adapt to the leveling requirements of copper busbars of different specifications. At the same time, the height difference design of the guide roller group can also be flexibly adjusted according to the actual stress release effect, ensuring that the pretreatment stage can effectively lay a good foundation for subsequent leveling operations. Through the coordinated operation of pretreatment module 2 and leveling module 3, continuous operation of copper busbar from stress release to high-precision leveling is realized, which effectively improves the processing quality and production efficiency of copper busbar and provides a stable and reliable blank guarantee for subsequent cutting, drilling and other processes.

[0023] It should be noted that the surfaces of the leveling rollers of the upper leveling frame 302 and the lower leveling frame 303 are plated with a hard chromium layer, which can effectively prevent indentations or scratches on the surface of the copper busbar, while enhancing the wear resistance of the leveling rollers and extending the service life of the equipment. In addition, the surface of the straightening roller 202 is precision machined to ensure that it can transmit stress evenly when in contact with the copper busbar, and avoid local stress concentration that could cause plastic deformation or damage to the copper busbar. In addition, the hydraulic cylinder 305 is an actuator in the hydraulic system. It achieves the telescopic function by cooperating with the hydraulic system. It can also achieve precise control of the telescopic displacement of the hydraulic cylinder piston rod by cooperating with magnetic switches, proximity switches or photoelectric switches. Those skilled in the art can set it according to actual needs. The unwinding machine is existing technology and includes components such as unwinding motor, reducer, brake and reel for installing copper busbar coils. Its working principle can be learned by those skilled in the art through technical manuals, and will not be described in detail here.

[0024] Among them, multiple auxiliary belts 304 are sleeved on the outer circumference of multiple leveling rollers of the upper leveling frame 302 and the lower leveling frame 303. The multiple auxiliary belts 304 are evenly distributed along the axial direction of the leveling rollers. The copper busbar is located between two adjacent auxiliary belts 304. The auxiliary belts 304 are made of high elasticity and wear-resistant rubber material to ensure that the copper busbar will not shift during the leveling process, thereby ensuring the stability and accuracy of the leveling operation.

[0025] Furthermore, a connecting frame 203 fixed to the top of the base frame 1 is provided between two adjacent fixed frames 201. A second guide plate 205 is welded between two adjacent connecting frames 203. A first guide plate 204 and a third guide plate 206 are welded to the opposite sides of two adjacent connecting frames 203, respectively. The first guide plate 204, the second guide plate 205 and the third guide plate 206 are all arc-shaped. The two ends of the second guide plate 205 are located below the first guide plate 204 and the third guide plate 206, respectively. Moreover, the top ends of the first guide plate 204 and the third guide plate 206 are on the same horizontal plane as the center line of the straightening roller 202. When the end of the copper busbar passes between the straightening rollers 202, the first guide plate 204, the second guide plate 205 and the third guide plate 206 form a continuous arc-shaped guide channel, which can effectively guide the entry direction of the copper busbar, avoid the copper busbar from colliding with the fixing frame 201 during the insertion process and causing surface damage, and at the same time help the copper busbar enter the height difference area between adjacent guide roller groups more smoothly, ensuring that the stress release operation in the pretreatment stage can be carried out stably.

[0026] Furthermore, an auxiliary roller frame 4 is fixed to the top of the base frame 1 by bolts. The auxiliary roller frame 4 is located on the rear side of the leveling module 3, providing support for the discharge of the leveled copper busbar, preventing the copper busbar from bending due to its own weight, and improving the overall output stability of the device.

[0027] The working principle of this utility model: When it is necessary to level the unwound copper busbar, first pass the end of the copper busbar through the upper guide roller group and the lower guide roller group, and enter between the upper leveling frame 302 and the lower leveling frame 303. During this process, the copper busbar will pass through the continuous arc-shaped guide channel formed by the first guide plate 204, the second guide plate 205 and the third guide plate 206, effectively guiding the entry direction of the copper busbar, so that it enters between the upper leveling frame 302 and the lower leveling frame 303. At the same time, the bending deformation generated by the height difference initially releases the internal stress. Start the hydraulic cylinder 305, and its output end pushes the upper leveling frame 302 downward until the upper leveling frame 302 and the lower leveling frame 303 form a suitable clamping force on the copper busbar. The copper busbar is subjected to the squeezing force in the vertical direction, and the original uneven defects such as warping and wavy are gradually flattened, and finally a flat copper busbar is output.

[0028] Finally, the following points should be noted: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change. The electronic components and modules used in this utility model can all be parts that are commonly used in the market and can achieve the specific functions in this case. The specific models and sizes can be selected and adjusted according to actual needs. The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. A copper busbar unwinding and leveling device, comprising a base frame (1) integrating an unwinding machine, characterized in that: The top of the base frame (1) is provided with a pretreatment module (2) for initial stress release of the copper busbar at the rear side of the unwinding machine, and a leveling module (3) for leveling the copper busbar is provided at the rear side of the pretreatment module (2). The leveling module (3) includes a lower leveling frame (303) set on the top of the base frame (1) and a fixedly connected mounting frame (301). An upper leveling frame (302) is slidably connected between the inner walls on both sides of the mounting frame (301). The pre-treated copper busbar passes through the upper leveling frame (302) and the lower leveling frame (303). The upper leveling frame (302) and the lower leveling frame (303) cooperate to perform leveling operations on the copper busbar. The pretreatment module (2) includes at least three sets of guide rollers, with a height difference between two adjacent sets of guide rollers. Each set of guide rollers includes two fixed frames (201) fixed to the top of the base frame (1), and a straightening roller (202) is rotatably connected between the two fixed frames (201) via a bearing.

2. The copper busbar unwinding and leveling device according to claim 1, characterized in that: A hydraulic cylinder (305) is fixedly connected to the top outer wall of the mounting frame (301), and the output end of the hydraulic cylinder (305) passes through the mounting frame (301) and is fixed to the upper leveling frame (302).

3. The copper busbar unwinding and leveling device according to claim 2, characterized in that: The upper leveling frame (302) and the lower leveling frame (303) have auxiliary belts (304) sleeved on the outer circumference of multiple leveling rollers.

4. The copper busbar unwinding and leveling device according to claim 1, characterized in that: A connecting frame (203) fixed to the top of the base frame (1) is provided between two adjacent fixed frames (201). A second guide plate (205) is welded between two adjacent connecting frames (203). A first guide plate (204) and a third guide plate (206) are welded to the opposite sides of two adjacent connecting frames (203).

5. The copper busbar unwinding and leveling device according to claim 4, characterized in that: The tops of the first guide plate (204) and the third guide plate (206) are on the same horizontal plane as the center line of the straightening roller (202).

6. The copper busbar unwinding and leveling device according to claim 4, characterized in that: The first guide plate (204), the second guide plate (205) and the third guide plate (206) are all arc-shaped.

7. The copper busbar unwinding and leveling device according to claim 6, characterized in that: The two ends of the second guide plate (205) are located below the first guide plate (204) and the third guide plate (206), respectively.

8. The copper busbar unwinding and leveling device according to claim 1, characterized in that: An auxiliary roller frame (4) is fixedly connected to the top of the base frame (1), and the auxiliary roller frame (4) is located on the rear side of the leveling module (3).

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