Hydraulic shearing device for special-shaped copper strip

Abstract

The utility model relates to the technical field of special-shaped copper strip shearing, and is a special-shaped copper strip hydraulic shearing device, which comprises a fixing device, a driving device, a pressing device and a shearing block. The fixing device comprises a bottom plate, a gasket, a support plate and a fixed plate. Two bottom plates are arranged at intervals on the left and right. A support plate is fixedly installed on the top of each bottom plate. A gasket is fixedly installed on the right side of the upper part of the bottom plate corresponding to the front position of the left support plate. Two support plates are fixedly installed on the top of the two support plates. The fixed plate extends to the outside of the support plate at both ends. When cutting the special-shaped copper strip through the cooperation of the hydraulic oil cylinder and the pressing mechanism, the special-shaped copper strip is first pressed and then cut. Compared with manual operation, the hydraulic oil cylinder has uniformity and stability when it acts. The device can uniformly cut the special-shaped copper strip when shearing the special-shaped copper strip. After cutting, a smooth and flat cutting surface is left, without copper powder and other stress. The device has high automation, improving the shearing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of irregular copper strip shearing technology, and in particular to an irregular copper strip hydraulic shearing device. Background Technology

[0002] In the production process of shaped copper alloy strip, the extrusion press is one of the core pieces of equipment. It extrudes copper rods to a molten state, then shapes them through a specific die. After multiple rolling, annealing, cleaning, slitting, and packaging processes, the finished shaped copper strip is finally obtained. However, the current shearing devices for shaped copper strips have revealed many significant shortcomings in practical applications: The existing shearing device is a manual device with a low degree of automation. It resembles a pair of scissors, with one end fixed to the equipment. The worker places the irregularly shaped copper strip at the cutting point and manually pulls the other end of the scissors to complete the cut. During the shearing process, the irregularly shaped copper strip will move under the shearing force of only one end, resulting in uneven shearing. Moreover, after shearing, the irregularly shaped copper strip may fall off or stick up under the force, which can easily injure the operator. Furthermore, the larger the strip size, the greater the difficulty and danger of shearing.

[0003] Existing shearing devices struggle to achieve uniform shearing of shaped copper strips. Because the shaped copper strip has a "T"-shaped structure after extrusion, and the shearing process lacks a pressure plate, unevenness occurs during actual shearing. For example, when placing the shaped copper strip, it wobbles from side to side during shearing, making precise control difficult. This results in noticeably crooked and uneven cutting marks at the cut, severely impacting the quality and performance of the shaped copper strip. Furthermore, incomplete shearing creates safety hazards for subsequent processing of the shaped copper strip.

[0004] Some equipment lacks similar shearing devices, forcing workers to rely on handheld cutting machines to cut irregularly shaped copper strips during actual production. This process generates sparks and debris. The flying sparks pose a significant fire hazard, and the scattered metal debris not only threatens workers' health (potentially causing burns or eye injuries) but also makes the scattered debris extremely difficult to collect, representing a hidden form of asset loss. Furthermore, handheld cutting machines present significant safety risks, easily leading to tool-related injuries.

[0005] Therefore, we propose a novel non-standard copper strip shearing device to address the shortcomings of existing technologies, improve shearing efficiency and quality, enhance automation, and reduce production safety risks. Utility Model Content

[0006] This utility model provides a hydraulic shearing device for irregularly shaped copper strips, which overcomes the shortcomings of the prior art and can effectively solve the problem of low automation and low shearing efficiency in existing manual shearing devices.

[0007] To solve the above problems, the present invention provides a hydraulic shearing device for irregularly shaped copper strips, comprising: a fixing device, a driving device, a clamping device, and a shearing block; The fixing device includes a base plate, a gasket, a support plate, and a fixing plate. There are two base plates spaced apart on the left and right sides. A support plate is fixedly installed on the rear side of the top of each base plate. A gasket is fixedly installed on the upper right side of the base plate corresponding to the position in front of the left support plate. Fixing plates that extend to the outside of the support plate at both the front and rear ends are fixedly installed on the top of the two support plates. The drive device includes a hydraulic cylinder and a limiting device. The hydraulic cylinder is fixedly installed at the top center of the fixed plate. The fixed plate corresponding to the position of the hydraulic cylinder has a through mounting hole. The inner cylinder of the hydraulic cylinder passes through the mounting hole and is fixedly connected to the top of the shearing block located below the fixed plate. The upper outer side of the hydraulic cylinder has an oil inlet that runs through both inside and outside, and the lower outer side of the hydraulic cylinder has an oil outlet that runs through both inside and outside. The fixed plates corresponding to the front and rear sides of the hydraulic cylinder have limiting devices at their bottoms that are fixedly connected to the top of the shearing block at the corresponding positions. The clamping device includes a clamping block, a clamping plate, and two sets of compression devices. The right side of the clamping block is fixedly connected to the left side of the shearing block, and the bottom of the clamping block is connected to the clamping plate located directly above the gasket through the compression devices.

[0008] The aforementioned hydraulic cylinder fixing nut has internal threads on its inner side and external threads on its outer side. The outer side of the hydraulic cylinder and the inner side of the hydraulic cylinder fixing nut are connected together by the internal threads and external threads. The mounting hole has internal threads, and the outer side of the hydraulic cylinder fixing nut has external threads. The fixing plate and the hydraulic cylinder fixing nut are connected together by the internal threads and external threads.

[0009] The aforementioned limiting device includes a first fixed rod, a first compression spring, a first nut, a second fixed rod, a second compression spring, and a second nut. A first connecting hole and a second connecting hole, respectively, are provided above the fixed plate along the radial direction of the hydraulic cylinder. The lower end of the first fixed rod passes through the first connecting hole and is fixedly connected to the corresponding position above the shearing block. A first compression spring is fitted on the outer side of the first fixed rod located above the fixed plate. An external thread is provided on the outer side of the upper end of the first fixed rod above the first compression spring, and a first nut is screwed onto the outer side of the upper end of the first fixed rod through the external thread. The lower end of the second fixed rod passes through the second connecting hole and is fixedly connected to the corresponding position above the shearing block. A second compression spring is fitted on the outer side of the second fixed rod located above the fixed plate. An external thread is provided on the outer side of the upper end of the second fixed rod above the second compression spring, and a second nut is screwed onto the outer side of the upper end of the second fixed rod through the external thread.

[0010] The two sets of compression devices have the same structure. Each set of compression devices includes a movable rod, an upper compression spring, a lower compression spring, and a fixed nut. A third through hole is provided above the clamping block. The lower end of the movable rod passes through the third through hole and is fixedly connected to the upper side of the clamping plate at the corresponding position. A lower compression spring is fitted on the outside of the movable rod at the position between the clamping plate and the clamping block. An upper compression spring is fitted on the outside of the movable rod at the position above the clamping block. An external thread is provided on the outer side of the upper end of the movable rod at the position above the upper compression spring. A fixed nut is screwed to the outer side of the upper end of the movable rod through the external thread.

[0011] This utility model has the following advantages compared with the prior art: 1. This utility model, through the cooperation of mechanical structure and hydraulic mechanism, enables the device to move the inner cylinder of the hydraulic cylinder by hydraulic oil during use. The inner cylinder of the hydraulic cylinder drives the shearing block to move up and down. During the up and down movement of the shearing block, the clamping block drives the clamping plate to move up and down, so as to first clamp the irregular copper strip and then perform uniform speed shearing to complete the cutting operation of the irregular copper strip. Moreover, the elastic action of the compression spring of the clamping plate enables the shearing of irregular copper strips of different specifications.

[0012] 2. This utility model, through the cooperation of a hydraulic cylinder and a clamping mechanism, allows the device to clamp the copper strip before cutting it. Compared to manual operation, clamping prevents the copper strip from moving, and the shearing block moves from top to bottom, preventing the copper strip from shifting laterally. Furthermore, the hydraulic cylinder's operation is uniform and stable, ensuring even cutting of the copper strip and leaving a smooth, flat cut surface without producing copper dust or residual stress. This guarantees the product quality of the copper strip in subsequent operations and avoids the safety risks to personnel associated with traditional copper strip cutting methods. Attached Figure Description

[0013] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a side view of the overall structure of this utility model.

[0016] Figure 3 This is a cross-sectional side view of the pressure of this utility model.

[0017] Figure 4 This is a partial enlarged view of the shearing block and clamping device of this utility model.

[0018] In the diagram: 1-Shearing block, 2-Base plate, 3-Shim, 4-Support plate, 5-Fixing plate, 6-Hydraulic cylinder, 7-Inner cylinder of hydraulic cylinder, 8-Oil inlet, 9-Oil outlet, 10-Clamping block, 11-Clamping plate, 12-Hydraulic cylinder fixing nut, 13-First fixing rod, 14-First compression spring, 15-First nut, 16-Second fixing rod, 17-Second compression spring, 18-Second nut, 19-Moving rod, 20-Upper compression spring, 21-Lower compression spring, 22-Fixing nut. Detailed Implementation

[0019] This utility model is not limited to the following embodiments, and the specific implementation method can be determined according to the technical solution of this utility model and the actual situation.

[0020] The present invention will be further described below with reference to the embodiments and accompanying drawings: like Figure 1-4 As shown, a hydraulic shearing device for irregularly shaped copper strips includes: a fixing device, a driving device, a clamping device, and a shearing block 1; The fixing device includes a base plate 2, a gasket 3, a support plate 4 and a fixing plate 5. Two base plates 2 are arranged at intervals on the left and right. A support plate 4 is fixedly installed on the rear side of the top of each base plate 2. A gasket 3 is fixedly installed on the right side of the upper part of the base plate 2 corresponding to the position in front of the left support plate 4. Fixing plates 5 that extend to the outside of the support plate 4 at both the front and rear ends are fixedly installed on the top of the two support plates 4. The driving device includes a hydraulic cylinder 6 and a limiting device. The hydraulic cylinder 6 is fixedly installed at the top center of the fixed plate 5. The fixed plate 5 at the position of the hydraulic cylinder 6 is provided with a vertically penetrating mounting hole. The inner cylinder 7 of the hydraulic cylinder passes through the mounting hole and is fixedly connected to the top of the shearing block 1 located below the fixed plate 5. The upper outer side of the hydraulic cylinder 6 is provided with an internally and externally penetrating oil inlet 8, and the lower outer side of the hydraulic cylinder 6 is provided with an internally and externally penetrating oil outlet 9. The fixed plate 5 at the front and rear sides of the hydraulic cylinder 6 is provided with a limiting device whose bottom is fixedly connected to the corresponding position of the top of the shearing block 1. The clamping device includes a clamping block 10, a clamping plate 11, and two sets of compression devices. The right side of the clamping block 10 is fixedly connected to the left side of the shearing block 1, and the bottom of the clamping block 10 is connected to the clamping plate 11 located directly above the gasket 3 through the compression devices.

[0021] The hydraulic cylinder 6 has an oil inlet 8 and an oil outlet 9 fixedly installed on its upper and lower parts, respectively, for the entry and exit of hydraulic oil, which allows the inner cylinder 7 of the hydraulic cylinder to move up and down.

[0022] The left edge of shearing block 1 has a sharp 80-degree acute angle and is used to cut irregular copper strips.

[0023] like Figure 1As shown, it also includes a hydraulic cylinder fixing nut 12. The inner side of the hydraulic cylinder fixing nut 12 has internal threads, and the outer side of the hydraulic cylinder 6 has external threads. The outer side of the hydraulic cylinder 6 and the inner side of the hydraulic cylinder fixing nut 12 are connected together by the internal and external threads. An internal mounting thread is provided in the mounting hole, and an external thread is provided on the outer side of the hydraulic cylinder fixing nut 12. The fixing plate 5 and the hydraulic cylinder fixing nut 12 are connected together by the internal and external threads. Thus, a fixed connection is achieved between the hydraulic cylinder 6 and the fixing plate 5.

[0024] like Figure 1 As shown, the limiting device includes a first fixing rod 13, a first compression spring 14, a first nut 15, a second fixing rod 16, a second compression spring 17, and a second nut 18. A first connecting hole and a second connecting hole are respectively provided above the fixing plate 5 along the radial direction of the hydraulic cylinder 6, extending vertically. The lower end of the first fixing rod 13 passes through the first connecting hole and is fixedly connected to the corresponding position above the shearing block 1. The first compression spring 14 is fitted on the outer side of the first fixing rod 13 located above the fixing plate 5. The outer side of the upper end of the first fixing rod 13 above the first compression spring 14 is provided with an external thread. The outer side of the upper end of the first fixing rod 13 is screwed with the first nut 15 through the external thread. The lower end of the second fixing rod 16 passes through the second connecting hole and is fixedly connected to the corresponding position above the shearing block 1. The outer side of the second fixing rod 16 located above the fixing plate 5 is fitted with a second compression spring 17. The outer side of the upper end of the second fixing rod 16 above the second compression spring 17 is provided with an external thread. The outer side of the upper end of the second fixing rod 16 is screwed with the second nut 18 through the external thread.

[0025] The limiting device is used to fix the position of the shearing block 1 when the inner cylinder 7 of the hydraulic cylinder moves up and down, so as to prevent the shearing block 1 from shifting and becoming unstable when moving up and down, which would affect the shearing effect. In addition, the setting of the first compression spring 14 and the second compression spring 17 makes it easy for the shearing block 1 to move down or up according to the compression of the spring, thereby improving the movement stability of the shearing block 1.

[0026] like Figure 1 As shown, the two sets of compression devices have the same structure. Each set of compression devices includes a movable rod 19, an upper compression spring 20, a lower compression spring 21, and a fixing nut 22. A third through hole is provided above the clamping block 10. The lower end of the movable rod 19 passes through the third through hole and is fixedly connected to the corresponding position on the upper side of the clamping plate 11. The lower compression spring 21 is fitted on the outer side of the movable rod 19 at the position between the clamping plate 11 and the clamping block 10. The upper compression spring 20 is fitted on the outer side of the movable rod 19 at the position above the clamping block 10. The upper end of the movable rod 19 at the position above the upper compression spring 20 is provided with an external thread. The upper end of the movable rod 19 is screwed with a fixing nut 22 through the external thread.

[0027] Two sets of compression devices are set up to drive the pressing block 10 and the pressing plate 11 to move when the shearing block 1 moves, thereby achieving the pressing effect of the pressing block 10 and the pressing plate 11 on the irregular copper strip, and avoiding the movement of the irregular copper strip during the shearing process, which would affect the shearing effect.

[0028] During operation, the shaped copper strip to be sheared is placed between the clamping plate 11 and the gasket 3. Hydraulic oil enters from the inlet 8 and exits from the outlet 9, driving the inner cylinder 7 of the hydraulic cylinder to reciprocate up and down, which in turn drives the shearing block 1 to move up and down, thereby driving the clamping block 10 to move up and down, thus causing the clamping plate 11 to move up and down. When moving downward, the clamping plate 11 first contacts the shaped copper strip. As it continues to move downward, the clamping plate 11 presses down on the shaped copper strip and clamps it with the gasket 3. Then, the upper compression spring 20 and the lower compression spring 21 begin to deform under the combined action of the clamping plate 11 and the hydraulic cylinder 6, causing the force pressing the shaped copper strip to continuously increase. Continuing downward, when it is at the same level as the clamping plate 11, the sharp left edge of the shearing block 1 contacts the surface of the shaped copper strip. Under the continuous pushing of the inner cylinder 7 of the hydraulic cylinder, the first compression spring 14 and the second compression spring 17 are continuously compressed until the shearing block 1 completes the shearing operation of the shaped copper strip. At this time, the inner cylinder 7 of the hydraulic cylinder is still in a state of continuous downward driving until it reaches the lowest end of the hydraulic cylinder 6. The hydraulic cylinder 6 initiates an automatic retraction action, returning to the highest end of the hydraulic cylinder 6. The shearing block 1 rises, driving the clamping block 10 to rise, which in turn drives the clamping plate 11 to rise. During this process, the upper compression spring 20 and the lower compression spring 21 both return to their original state. This is one reciprocating shearing process. Because the distance between the clamping plate 11 and the pad 3 is relatively large, this device can be adapted to shear shaped copper strips of different sizes.

[0029] In summary, this utility model, through the cooperation of mechanical structure and hydraulic mechanism, enables the device to move by hydraulic oil driving the inner cylinder 7 of the hydraulic cylinder. The inner cylinder 7 of the hydraulic cylinder drives the shearing block 1 to move up and down. During the up and down movement of the shearing block 1, the clamping block 10 drives the clamping plate 11 to move up and down, thereby achieving the first clamping of the irregular copper strip and then uniform speed shearing to complete the cutting operation of the irregular copper strip. Moreover, the elastic action of the compression spring of the clamping plate 11 enables the shearing of irregular copper strips of different specifications.

[0030] Furthermore, this invention, through the cooperation of the hydraulic cylinder 6 and the clamping mechanism, allows the device to clamp the copper strip before cutting it. Compared to manual operation, clamping prevents the copper strip from moving, and the shearing block 1 moves from top to bottom, preventing the copper strip from moving left and right. The hydraulic cylinder 6 operates with uniformity and stability, enabling the device to cut the copper strip evenly, leaving a smooth and flat cut surface without producing copper dust or residual stress. This ensures the product quality of the copper strip in subsequent operations and avoids the safety risks to personnel caused by traditional copper strip cutting. Therefore, this device has a high degree of automation and improves cutting efficiency.

Claims

1. A hydraulic shearing device for irregularly shaped copper strips, characterized in that, include: Fixing device, driving device, clamping device and shearing block; The fixing device includes a base plate, a gasket, a support plate, and a fixing plate. There are two base plates spaced apart on the left and right sides. A support plate is fixedly installed on the rear side of the top of each base plate. A gasket is fixedly installed on the upper right side of the base plate corresponding to the position in front of the left support plate. Fixing plates that extend to the outside of the support plate at both the front and rear ends are fixedly installed on the top of the two support plates. The drive device includes a hydraulic cylinder and a limiting device. The hydraulic cylinder is fixedly installed at the top center of the fixed plate. The fixed plate corresponding to the position of the hydraulic cylinder has a through mounting hole. The inner cylinder of the hydraulic cylinder passes through the mounting hole and is fixedly connected to the top of the shearing block located below the fixed plate. The upper outer side of the hydraulic cylinder has an oil inlet that runs through both inside and outside, and the lower outer side of the hydraulic cylinder has an oil outlet that runs through both inside and outside. The fixed plates corresponding to the front and rear sides of the hydraulic cylinder have limiting devices at their bottoms that are fixedly connected to the top of the shearing block at the corresponding positions. The clamping device includes a clamping block, a clamping plate, and two sets of compression devices. The right side of the clamping block is fixedly connected to the left side of the shearing block, and the bottom of the clamping block is connected to the clamping plate located directly above the gasket through the compression devices.

2. The hydraulic shearing device for irregularly shaped copper strips according to claim 1, characterized in that, It also includes a hydraulic cylinder fixing nut, with internal threads on the inner side of the hydraulic cylinder fixing nut and external threads on the outer side of the hydraulic cylinder. The outer side of the hydraulic cylinder and the inner side of the hydraulic cylinder fixing nut are connected together by the internal threads and external threads of the nut. The mounting hole has internal threads, and the outer side of the hydraulic cylinder fixing nut has external threads. The fixing plate and the hydraulic cylinder fixing nut are connected together by the internal threads and external threads of the nut.

3. A hydraulic shearing device for irregularly shaped copper strips according to claim 1 or 2, characterized in that, The limiting device includes a first fixed rod, a first compression spring, a first nut, a second fixed rod, a second compression spring, and a second nut. A first connecting hole and a second connecting hole, respectively, are provided above the fixed plate along the radial direction of the hydraulic cylinder. The lower end of the first fixed rod passes through the first connecting hole and is fixedly connected to the corresponding position above the shearing block. A first compression spring is fitted on the outer side of the first fixed rod located above the fixed plate. An external thread is provided on the outer side of the upper end of the first fixed rod above the first compression spring, and a first nut is screwed onto the outer side of the upper end of the first fixed rod through the external thread. The lower end of the second fixed rod passes through the second connecting hole and is fixedly connected to the corresponding position above the shearing block. A second compression spring is fitted on the outer side of the second fixed rod located above the fixed plate. An external thread is provided on the outer side of the upper end of the second fixed rod above the second compression spring, and a second nut is screwed onto the outer side of the upper end of the second fixed rod through the external thread.

4. A hydraulic shearing device for irregularly shaped copper strips according to claim 1 or 2, characterized in that, The two sets of compression devices have the same structure. Each set of compression devices includes a movable rod, an upper compression spring, a lower compression spring, and a fixed nut. A third through hole is provided above the pressure block. The lower end of the movable rod passes through the third through hole and is fixedly connected to the upper side of the pressure plate at the corresponding position. A lower compression spring is fitted on the outside of the movable rod at the position between the pressure plate and the pressure block. An upper compression spring is fitted on the outside of the movable rod at the position above the pressure block. An external thread is provided on the outer side of the upper end of the movable rod at the position above the upper compression spring. A fixed nut is screwed to the outer side of the upper end of the movable rod through the external thread.

5. The hydraulic shearing device for irregularly shaped copper strips according to claim 3, characterized in that, The two sets of compression devices have the same structure. Each set of compression devices includes a movable rod, an upper compression spring, a lower compression spring, and a fixed nut. A third through hole is provided above the pressure block. The lower end of the movable rod passes through the third through hole and is fixedly connected to the upper side of the pressure plate at the corresponding position. A lower compression spring is fitted on the outside of the movable rod at the position between the pressure plate and the pressure block. An upper compression spring is fitted on the outside of the movable rod at the position above the pressure block. An external thread is provided on the outer side of the upper end of the movable rod at the position above the upper compression spring. A fixed nut is screwed to the outer side of the upper end of the movable rod through the external thread.

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