Width-adjustable copper alloy strip continuous cutting device and method

Abstract

The invention relates to the technical field of copper alloy strip machining, in particular to a width-adjustable continuous cutting device and method for copper alloy strips, and the width-adjustable continuous cutting device comprises a cutting unit for cutting the copper alloy strips; the cutting unit comprises a cutter, a translation seat, an inclined groove and a pressing unit; the multiple cutters are arranged in the horizontal direction, and the arrangement direction of the cutters is the same as the width direction of the copper alloy strip. The translation seats are arranged on the upper portions of the cutters and can move in the arrangement direction of the cutters, and the height of the translation seats in the vertical direction is not changed all the time. The inclined groove is formed in the side wall of the translation seat; and the pressing unit is arranged at the upper part of the translation seat and extends into the inclined groove. The equipment maintenance and use cost is effectively reduced, the problem of driver layout interference is avoided, and meanwhile the requirement for simultaneous adjustment of a large number of cutters is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of copper alloy strip processing, in particular to a width-adjustable copper alloy strip continuous cutting device and method. BACKGROUND

[0002] In the production of microswitches, there is a core component in the microswitch, which is the action spring. Its core function is to ensure reliable action and stable electrical connection of the switch under small external force through the high elasticity, high conductivity and fatigue resistance of the material. The action spring is mainly made of copper alloy strip. The width of the action spring in different microswitches also differs, so the position of the cutting tool needs to be adjusted during cutting.

[0003] Chinese Patent No. CN219443646U discloses a width-adjustable cutting device for beryllium copper alloy strip, which includes a beam and a knife holder arranged on the beam. The beam is arranged along the width direction of the beryllium copper alloy strip, and the lower part of the beam is provided with a material passing channel for the beryllium copper alloy strip. The material passing channel has a supporting bottom surface for supporting the beryllium copper alloy strip. One side of the beam is provided with a knife holder arranged in a direction perpendicular to the beam. The knife holder is arranged on a sliding seat and can be adjusted in position along the length direction of the beam. Pre-cutting tools and main cutting tools are arranged on the knife holder at intervals. The pre-cutting tools are scratch tools that pre-cut the beryllium copper alloy strip by making scratches in the length direction of the beryllium copper alloy strip at the width-adjustable position, and then the main cutting tools cut along the scratches after the pre-cutting process.

[0004] In the above-mentioned scheme, only one cutting tool is provided. However, the total width of the existing copper alloy strip is relatively wide. If only one cutting tool is provided, the cutting tool needs to be moved multiple times in the width direction of the copper alloy strip, and the copper alloy strip needs to be wound and unwound after each movement. If multiple cutting tools are provided, the cutting tools can cut the copper alloy strip simultaneously, but it is difficult to control the positions of the multiple cutting tools synchronously, and it is difficult to ensure that the distance between two adjacent cutting tools is equal. SUMMARY

[0005] To solve the above-mentioned problems, a width-adjustable copper alloy strip continuous cutting device and method are provided. The device includes a cutting unit containing multiple horizontally arranged cutting tools, translation seats, inclined grooves, pressing units and guide rods, and a platform with a lower knife groove is arranged below. The width-adjustable copper alloy strip continuous cutting device achieves multiple technical effects. During the cutting tool spacing adjustment stage, the pressing units are moved in the vertical direction and guided through the inclined grooves, so that all translation seats slide synchronously and equidistantly along the guide rods. This method can complete the synchronous and equidistant adjustment of all cutting tools without multiple drivers, effectively reducing maintenance and use costs, avoiding driver layout interference problems, and adapting to the demand for simultaneous adjustment of a large number of cutting tools.

[0006] To address the problems of existing technologies, this invention provides a continuous cutting device for copper alloy strip with adjustable width, comprising a cutting unit for cutting copper alloy strip; the cutting unit includes a cutter, a translation seat, an inclined groove, and a pressing unit; multiple cutters are arranged horizontally, with the arrangement direction of the cutters being the same as the width direction of the copper alloy strip; a translation seat is provided on the upper part of each cutter, and the translation seat can move along the arrangement direction of the cutters, while the vertical height of the translation seat remains constant; an inclined groove is formed on the side wall of the translation seat; and a pressing unit is provided on the upper part of the translation seat and extends into the inclined groove.

[0007] Preferably, the pressing unit includes a pressing frame and an extension column; multiple pressing frames are arranged in a horizontal direction, the direction of the pressing frames is parallel to the direction of the cutting tool arrangement, and the pressing frames and the translation seat are staggered; the extension column is fixedly mounted on the pressing frame and extends into the inclined groove, and the extension column is slidably engaged with the inclined groove.

[0008] Preferably, the pressing unit further includes a support rod and a lifting unit; the support rod is arranged along the arrangement direction of the pressing frame and passes through all the pressing frames in sequence; the lifting unit is arranged on one side of the support rod and is used to drive the support rod to rise and fall.

[0009] Preferably, a rangefinder is horizontally mounted on one of the translation seats, with the detection end of the rangefinder pointing horizontally toward the translation seat on the adjacent side.

[0010] Preferably, a limiting unit for limiting the copper alloy strip is provided below the cutting unit. The limiting unit includes a limiting plate and a linear driver. Two limiting plates are provided and are located on both sides of the cutting unit. Two linear drivers are provided and are used to drive the two limiting plates to move.

[0011] Preferably, the cutting unit further includes a side plate and a translation unit; the side plate is fixedly mounted on the end of the support rod; the translation unit is mounted on one side of the side plate and is used to drive the side plate to move along the arrangement direction of the pressing frame.

[0012] Preferably, a mounting groove is provided at the lower part of the translation seat, and the upper part of the cutter is fixed in the mounting groove by screws.

[0013] Preferably, the device further includes a length-fixing unit, which includes an arc-shaped shell, a rotating roller, and a cutting blade; the arc-shaped shell is disposed on the discharge end of the platform; the rotating roller is rotatably disposed inside the arc-shaped shell along the axis of the arc-shaped shell, and an arc-shaped cavity exists between the rotating roller and the arc-shaped shell; the cutting blade is moved along the radial direction of the rotating roller and disposed on the rotating roller, and the cutting blade is hydraulically driven. When the cutting blade tip faces the arc-shaped cavity, the rotational speed of the rotating roller is the same as that of the copper alloy strip.

[0014] Preferably, when the cutting blade tip is facing away from the arc-shaped cavity, the rotational speed of the rotating roller can be different from the conveying speed of the copper alloy strip.

[0015] This invention also relates to a method for continuous cutting of copper alloy strip with adjustable width, employing a continuous cutting device for copper alloy strip with adjustable width, the specific steps of which are as follows: S1. The pressing unit is used to adjust the translation seats so that all translation seats move synchronously, and the pressing unit stops driving after the distance between adjacent tools reaches the specified size. S2. The copper alloy strip is introduced into the lower part of the cutting unit, and the horizontally arranged tools cut the copper alloy strip into strips of equal width. S3. Cut the strip that has been slit to a fixed length to complete the processing.

[0016] The advantages of this invention compared to the prior art are: 1. Through the coordinated design of the pressing unit, the translation seat, the tilting groove and the guide rod, this invention enables the synchronous and equidistant adjustment of all tools without the need for multiple drivers: the pressing unit drives the extension column to move in the vertical direction, and the tilting groove guides the translation seat to slide along the guide rod. All translation seats move synchronously and equidistantly to match the target cutting width, which effectively reduces the equipment maintenance and use costs, avoids driver layout interference problems, and adapts to the need for simultaneous adjustment of a large number of tools. 2. By setting multiple sequentially arranged cutting units in the copper alloy strip conveying direction and adopting a progressive cutting method with gradually increasing blade depth, this device not only reduces the cutting load of a single blade and reduces edge burrs after strip cutting, but also ensures that the strip is completely cut without damaging the receiving platform through the design of the blade extending to the lower groove in the last cutting unit, thereby improving cutting quality and equipment service life. 3. By replacing the traditional single-blade reciprocating cutting mode with multi-blade synchronous cutting, and combined with the coordinated conveying of the front and rear traction components and the position correction of the limiting unit, this device greatly reduces the tension changes and positional deviations of copper alloy strip caused by repeated winding and unwinding, reduces the risk of quality defects such as surface scratches and uneven edges, and realizes continuous cutting operations, significantly improving overall production efficiency. 4. When cutting copper alloy strips of a given width to a fixed length, the cutting length is adjusted by utilizing the difference between the rotational speed of the rotating roller and the conveying speed of the copper alloy strip. This allows the cutting length to be varied according to requirements, while the copper alloy strip is continuously conveyed during cutting. In summary, when performing fixed-length cutting, this invention can adapt to cutting copper alloy strips of various lengths and can automatically match the cutting difference according to a preset value. The device remains operational throughout the fixed-length cutting process, ensuring production output. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of a continuous cutting device for adjustable-width copper alloy strip according to the present invention, which includes a copper alloy strip. Figure 2 This is a side view of a continuous cutting device for copper alloy strip with adjustable width according to the present invention. Figure 3 This invention relates to a continuous cutting device for copper alloy strip with adjustable width. Figure 2 Schematic diagram of the cross section at point AA; Figure 4 This invention relates to a continuous cutting device for copper alloy strip with adjustable width. Figure 3 A magnified view of a portion of point B in the middle; Figure 5 This is a cross-sectional perspective view of a continuous cutting device for copper alloy strip with adjustable width according to the present invention. Figure 6 This invention relates to a continuous cutting device for copper alloy strip with adjustable width. Figure 5 A magnified view of a portion of point C in the middle; Figure 7 This invention relates to a continuous cutting device for copper alloy strip with adjustable width. Figure 5 A magnified view of a portion of point D in the middle; Figure 8 This is a three-dimensional schematic diagram of the cutting unit of a continuous cutting device for copper alloy strip with adjustable width according to the present invention. Figure 9 This is a three-dimensional schematic diagram of the cutting unit of the adjustable-width continuous cutting device for copper alloy strip of the present invention after removing part of the cutting tools. Figure 10 This is a three-dimensional schematic diagram of the cutting unit of the adjustable-width continuous cutting device for copper alloy strip of the present invention after the support rod has been removed. Figure 11 This is a three-dimensional schematic diagram of the cutting unit of the adjustable-width continuous cutting device for copper alloy strip of the present invention after removing the support rod and translation unit. Figure 12 This is a three-dimensional schematic diagram of a continuous cutting device for copper alloy strip with adjustable width according to the present invention.

[0018] The diagram is labeled as follows: 1. Cutting unit; 11. Cutting tool; 12. Translation seat; 121. Inclined groove; 122. Mounting groove; 13. Pressing unit; 131. Pressing frame; 132. Extension column; 133. Support rod; 134. Lifting unit; 1341. First lead screw; 1342. First rotary actuator; 14. Guide rod; 15. Rangefinder; 16. Side plate; 17. Translation unit; 171. Second lead screw; 172. Second rotary actuator; 2. Copper alloy strip; 3. Limiting unit; 31. Limiting plate; 32. Linear actuator; 4. Traction roller; 5. Platform; 51. Lower cutter groove; 6. Length fixing unit; 61. Arc-shaped shell; 62. Rotating roller; 63. Cutting blade; 64. Third rotary actuator. Detailed Implementation

[0019] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0020] Reference Figures 1-3 , Figure 5 , Figure 6 and Figure 12 A continuous cutting device for copper alloy strip with adjustable width includes a cutting unit 1 for cutting copper alloy strip 2; the cutting unit 1 includes a cutter 11, a translation seat 12, an inclined groove 121, and a pressing unit 13; multiple cutters 11 are arranged horizontally, and the arrangement direction of the cutters 11 is the same as the width direction of the copper alloy strip 2; the translation seat 12 is provided on the upper part of each cutter 11, and the translation seat 12 can move along the arrangement direction of the cutters 11, and the height of the translation seat 12 in the vertical direction remains constant; the inclined groove 121 is formed on the side wall of the translation seat 12; the pressing unit 13 is provided on the upper part of the translation seat 12 and extends into the inclined groove 121.

[0021] In the processing and production of copper alloy strip 2, due to the demand for wide substrates from downstream industries and the characteristics of the rolling process, the existing copper alloy strip 2 typically has a relatively wide total width. While this wide width provides a basis for subsequent multi-specification slitting, it also brings considerable challenges to the cutting process.

[0022] If only a single cutting tool 11 is used for cutting, in order to cut the wide strip into narrow finished products that meet the requirements, the cutting tool 11 must be driven to move back and forth multiple times along the width direction of the copper alloy strip 2. Specifically, each time a cut is made, the cutting tool 11 needs to be positioned at a preset cutting position to complete one cut. After completing the cut at that position, the copper alloy strip 2 needs to be wound up by a winding device. After winding, it is unwound by an unwinding device. Only after adjusting the position of the strip can the cutting tool 11 move to the next cutting point for operation. In this process, the winding and unwinding of the strip and the positioning and movement of the cutting tool 11 consume a lot of time, which not only significantly reduces the overall production efficiency, but also increases the risk of quality defects such as surface scratches and uneven edges of the strip due to the tension changes and positional shifts of the strip during multiple winding and unwinding processes.

[0023] To improve cutting efficiency, the industry has attempted to adopt a solution using multiple cutting tools 11, allowing multiple tools 11 to simultaneously cut the copper alloy strip 2. Theoretically, this can complete multiple cutting processes at once, significantly shortening processing time. However, this solution faces a key technical bottleneck: it cannot simultaneously adjust the distance between all tools 11 according to the target cutting width, ensuring that the distance between adjacent tools 11 is equal after adjustment. Driving each tool 11 with a separate driver results in high maintenance costs, and existing drivers experience motion interference when simultaneously driving all tools 11 to move horizontally, making driver layout difficult and limiting the number of tools 11 that can be set. If the number of tools 11 is too large, the driver may become unusable.

[0024] To avoid the above situation, the existing cutting device is optimized, eliminating the need for multiple drivers, thus reducing maintenance and operating costs. Simultaneously, the driver layout is simpler, preventing driver interference and allowing for better adaptability to the simultaneous adjustment of a large number of blades 11. The specific structure and operation of this invention are as follows: The cutting unit 1 also includes a guide rod 14, which is arranged along the arrangement direction of the translation seats 12 and sequentially passes through all the translation seats 12. The translation seats 12 slide in cooperation with the guide rod 14, and the vertical height of the guide rod 14 remains constant. A platform 5 is provided below the cutting unit 1, supporting the copper alloy strip 2. A lower blade groove 51 is formed on the platform 5, located directly below and corresponding to the blade 11, with the lower end of the blade 11 extending into the lower blade groove 51.

[0025] Before cutting, the spacing between adjacent cutters 11 in the cutting unit 1 needs to be adjusted so that the distance between adjacent cutters 11 matches the width of the copper alloy strip 2 to be cut. During adjustment, the portion of the pressing unit 13 extending into the inclined groove 121 can move vertically. Guided by the inclined groove 121, the translation seats 12 slide, and all translation seats 12 move synchronously along the guide rod 14. During movement, the distance between all adjacent translation seats 12 is equal, thereby achieving synchronous and equidistant adjustment of all cutters 11. When the distance between adjacent cutters 11 is adjusted to the specified size, the portion of the pressing unit 13 extending into the inclined groove 121 stops rising and falling, and all translation seats 12 are in a stationary state. At this point, the adjustment of the cutter 11 position is completed. The copper alloy strip 2 to be cut is then introduced below the cutting unit 1. The copper alloy strip 2 is cut by the cutter 11 as it passes through it. It is worth noting that multiple cutting units 1 are provided. In the conveying direction of the copper alloy strip 2, the cutting depth of the cutter 11 in different cutting units 1 gradually increases until the lower end of the cutter 11 extends into the lower cutting groove 51. Cutting the copper alloy strip 2 through multiple cutting units 1 reduces the load on the cutter 11 during cutting and also avoids excessive burrs on the edges of the cut copper alloy strip 2. In the conveying direction of the copper alloy strip 2, the lower end of the cutter 11 in the last cutting unit 1 extends into the lower cutting groove 51, ensuring that the cutter 11 can completely cut the copper alloy strip 2 without damaging the surface of the platform 5. When a batch of copper alloy strip 2 is cut, if the required cutting width for the next batch of copper alloy strip 2 differs, the translation seat 12 is readjusted using the pressing unit 13, following the same adjustment process as above.

[0026] By designing a cutting unit 1 that includes multiple horizontally arranged blades 11, a translation seat 12, an inclined groove 121, a pressing unit 13, and a guide rod 14, and setting a platform 5 with a lower blade groove 51 below, this adjustable-width continuous cutting device for copper alloy strip 2 achieves multiple technical effects. During the tool spacing adjustment stage, the pressing unit 13 moves vertically and is guided by the tilting groove 121, so that all translation seats 12 slide synchronously and equidistantly along the guide rod 14. The synchronous and equidistant adjustment of all tools 11 can be completed without multiple drivers, which effectively reduces maintenance and usage costs, avoids driver layout interference problems, and adapts to the need for simultaneous adjustment of a large number of tools 11. During the cutting stage, multiple cutting units 1 are set in the conveying direction of copper alloy strip 2, and the cutting depth of the tools 11 in each cutting unit 1 gradually increases. Finally, the tools 11 in the last cutting unit 1 extend to the lower cutting groove 51 to complete the cut. This reduces the load on a single tool 11, reduces burrs on the strip edge, and avoids damage to the platform 5 by the tools 11. At the same time, the production efficiency is improved by multi-tool synchronous cutting, and the risk of quality defects such as scratches and uneven edges caused by repeated winding and unwinding of the strip is reduced.

[0027] Reference Figure 8 , Figure 10 and Figure 11 The pressing unit 13 includes a pressing frame 131 and an extension column 132. Multiple pressing frames 131 are arranged in a horizontal direction. The direction of the pressing frames 131 is parallel to the direction of the cutting tool 11. The pressing frames 131 and the translation seat 12 are staggered. The extension column 132 is fixedly mounted on the pressing frame 131 and extends into the inclined groove 121. The extension column 132 and the inclined groove 121 are slidably engaged.

[0028] To ensure stability when pressing the translation seat 12, the number of pressing frames 131 is always one more than the number of cutting tools 11, and the pressing frames 131 and cutting tools 11 are arranged in an alternating pattern. Therefore, a pressing frame 131 is provided on both sides of any cutting tool 11. Each translation seat 12 has two inclined slots 121, which correspond to and slide with the extension posts 132 on the two pressing frames 131 respectively. The pressing frames 131 arranged horizontally form a pressing group, as shown in the figure. Figure 8 , Figure 10 and Figure 12The pressing unit 13 also includes a support rod 133 and a lifting unit 134. The support rod 133 passes through all the pressing frames 131 sequentially along the arrangement direction of the pressing frames 131. The support rod 133 can move vertically, and the pressing frames 131 connected by the support rod 133 move synchronously with the support rod 133. The pressing frame 131 located at one end of the pressing group is fixedly connected to the support rod 133. Therefore, when it is necessary to adjust the distance between the cutters 11, the support rod 133 drives the pressing frame 131 to move. During the same movement, except for the pressing frame 131 which is fixedly connected to the support rod 133 and does not slide relative to the support rod 133, all other pressing frames 131 slide relative to the support rod 133. At the same time, all translation seats 12 also slide relative to the guide rod 14 until the cutter 11 is adjusted to the designated position, at which point the support rod 133 stops moving up and down. At this time, the pressing frame 131 and the support rod 133 no longer slide relative to each other, and the translation seats 12 no longer slide relative to the guide rod 14.

[0029] The support rod 133 is arranged along the arrangement direction of the pressing frame 131 and passes through all the pressing frames 131 in sequence; the lifting unit 134 is arranged on one side of the support rod 133 and is used to drive the support rod 133 to rise and fall.

[0030] The lifting unit 134 includes a first lead screw 1341 and a first rotary driver 1342. The first lead screw 1341 vertically passes through the support rod 133 and is threadedly engaged with the support rod 133. The first rotary driver 1342 is located above the first lead screw 1341 and is used to drive the first lead screw 1341 to rotate. The first rotary driver 1342 is preferably a servo motor. When it is necessary to adjust the distance between the cutters 11, the first rotary driver 1342 in the lifting unit 134 is activated. By driving the first lead screw 1341 to rotate, the support rod 133 is raised or lowered, which in turn causes the pressing frame 131 to drive the extension column 132 to rise or fall. When the extension column 132 slides in the inclined groove 121, it generates a horizontal thrust on the translation seat 12. The translation seat 12 slides on the guide rod 14, thereby realizing the synchronous adjustment of the distance between all cutters 11.

[0031] Reference Figure 11 A rangefinder 15 is horizontally mounted on one of the translation seats 12, with the detection end of the rangefinder 15 pointing horizontally toward the translation seat 12 on the adjacent side.

[0032] The translation seat 12 mentioned above refers to the translation seat 12 equipped with a rangefinder 15. The rangefinder 15 can measure the distance between two adjacent translation seats 12. Since the dimensions of the translation seats 12 are known, the distance between adjacent translation seats 12 can be determined by the detection of the rangefinder 15, and thus the distance between two adjacent tools 11 can be determined.

[0033] Reference Figure 3 and Figure 5 Below the cutting unit 1, there is a limiting unit 3 for limiting the copper alloy strip 2. The limiting unit 3 includes a limiting plate 31 and a linear driver 32. There are two limiting plates 31, which are located on both sides of the cutting unit 1 respectively. There are two linear drivers 32, which are used to drive the two limiting plates 31 to move respectively.

[0034] During the conveying process of the copper alloy strip 2, the limiting plate 31 limits the copper alloy strip 2 to prevent the copper alloy strip 2 from shifting during the cutting process.

[0035] Reference Figure 7 and Figure 8 The cutting unit 1 also includes a side plate 16 and a translation unit 17; the side plate 16 is fixedly mounted on the end of the support rod 133; the translation unit 17 is mounted on one side of the side plate 16 and is used to drive the side plate 16 to move along the arrangement direction of the pressing frame 131.

[0036] After the position of the cutter 11 is adjusted and determined using the pressing unit 13, the newly adjusted position of the cutter 11 cannot be completely matched with the copper alloy strip 2 being transported. This means that the adjusted cutter 11 will experience an overall offset, resulting in one side of the copper alloy strip 2 being too wide and the other too narrow after cutting. Therefore, after the position of the cutter 11 is adjusted, the translation unit 17 is needed to move the side plate 16 along the arrangement direction of the pressing frame 131 to adjust the overall position of the cutter 11 so that the cutter 11 can match the width of the copper alloy strip 2. The translation unit 17 includes a second lead screw 171 and a second rotary driver 172. The second lead screw 171 is arranged along the arrangement direction of the pressing frame 131 and passes through the side plate 16. The second lead screw 171 is threaded into the side plate 16. The second rotary driver 172 is located at the end of the second lead screw 171 and is used to drive the second lead screw 171 to rotate. Since the copper alloy strip 2 needs to be limited by the limiting plate 31 during transportation, and the limiting process of the copper alloy strip 2 is achieved by the linear driver 32 using the limiting plate 31, the position of the copper alloy strip 2 can be determined by the position of the two limiting plates 31. This is existing technology and will not be described in detail here. After the position of the copper alloy strip 2 is confirmed, the translation unit 17 drives the side plate 16 to move according to the system preset, so that the cutter 11 is fully aligned with the copper alloy strip 2. The above control and positioning method is existing technology and will not be described in detail here.

[0037] Reference Figure 9 A mounting groove 122 is provided at the lower part of the translation seat 12, and the upper part of the cutter 11 is fixed in the mounting groove 122 by screws.

[0038] Since the cutting tool 11 is fixed in the mounting slot 122 by screws, the cutting tool 11 is replaceable. After a period of use, the cutting tool 11 will wear out and needs to be replaced regularly. This avoids the need to remove the translation seat 12 and the cutting tool 11 as a whole for replacement, thus improving replacement efficiency and reducing usage costs.

[0039] Reference Figure 1 and Figure 5 In the conveying direction of the copper alloy strip 2, a set of traction components is provided at the front and rear ends of the cutting unit 1. Each set of traction components includes two vertically arranged traction rollers 4, and the copper alloy strip 2 passes between the two traction rollers 4.

[0040] Before cutting, the traction roller 4 located at the front end of the cutting unit 1 can feed the copper alloy strip 2 into the cutting unit 1. During the cutting process, the cut copper alloy strip 2 enters the traction component at the rear end of the cutting unit 1. The two traction components work together to pull the copper alloy strip 2 during cutting, so as to overcome the resistance generated when the copper alloy strip 2 is cut by the cutter 11 during the conveying process.

[0041] Reference Figures 1-3 The cutting unit 1 is provided with multiple cutting units arranged sequentially along the conveying direction of the copper alloy strip 2. In the moving direction of the copper alloy strip 2, the cutting depth of the cutting tools 11 in different cutting units 1 gradually increases.

[0042] By setting up multiple cutting units 1, the cutter 11 in the cutting unit 1 can gradually cut the copper alloy strip 2, avoiding the situation of excessive resistance and excessive burrs on the cut copper alloy strip 2 when cutting it in one go.

[0043] Reference Figures 1-3 The device also includes a length-fixing unit 6, which includes an arc-shaped shell 61, a rotating roller 62, and a cutting blade 63. The arc-shaped shell 61 is disposed on the discharge end of the platform 5. The rotating roller 62 is rotatably disposed inside the arc-shaped shell 61 along the axis of the arc-shaped shell 61, and there is an arc-shaped cavity between the rotating roller 62 and the arc-shaped shell 61. The cutting blade 63 is moved along the radial direction of the rotating roller 62 and is disposed on the rotating roller 62. The cutting blade 63 is hydraulically driven. When the cutting head of the cutting blade 63 faces the arc-shaped cavity, the rotation speed of the rotating roller 62 is the same as that of the copper alloy strip 2.

[0044] The cutting blade 63, mounted on the rotating roller 62, is hydraulically driven. A hydraulic oil groove extends from one end of the rotating roller 62. The gap size of the arc-shaped cavity is the same as the thickness of the copper alloy strip 2. The arc-shaped cavity is formed by the arc-shaped shell 61 and the rotating roller 62. After the copper alloy strip 2 has undergone width cutting, it enters the arc-shaped cavity for fixed-length cutting. A third rotary driver 64, preferably a speed-regulating motor, is mounted on the end of the rotating roller 62 without the hydraulic oil groove. When the cutting blade 63 faces the arc-shaped cavity, the rotation speed of the rotating roller 62 is the same as the conveying speed of the copper alloy strip 2. At this time, the cutting blade 63 extends from the rotating roller 62 and cuts the copper alloy strip 2. Because the rotation speed of the rotating roller 62 is the same as the conveying speed of the copper alloy strip 2, the cutting blade on the rotating roller 62 and the copper alloy strip 2 are relatively stationary, ensuring that the copper alloy strip 2 does not need to stop conveying during cutting, thus increasing production output.

[0045] Reference Figures 1-3 When the cutting head of the cutting blade 63 is facing away from the arc cavity, the rotation speed of the rotating roller 62 can be different from the conveying speed of the copper alloy strip 2.

[0046] Based on the finished product requirements of the copper alloy strip 2 after cutting, the length of the copper alloy strip 2 varies depending on the device used for fixed-length cutting after width cutting. Therefore, the rotation speed of the rotating roller 62 is controlled to create a difference between the rotation speed of the rotating roller 62 and the conveying speed of the copper alloy strip 2. When the cutting blade 63 is facing away from the arc cavity, the rotation speed of the rotating roller 62 can be faster or slower than the conveying speed of the copper alloy strip 2. Here, the standard length is the length of the copper alloy strip 2 cut when the rotation speed of the rotating roller 62 is equal to the conveying speed of the copper alloy strip 2. When the rotation speed of the rotating roller 62 is faster than the conveying speed of the copper alloy strip 2, the length of the cut copper alloy strip 2 is less than the standard length; when the rotation speed of the rotating roller 62 is slower than the conveying speed of the copper alloy strip 2, the length of the cut copper alloy strip 2 is greater than the standard length.

[0047] Reference Figures 1-12 This invention also relates to a method for continuous cutting of copper alloy strip with adjustable width, employing a continuous cutting device for copper alloy strip with adjustable width, the specific steps of which are as follows: S1. The pressing unit 13 is used to adjust the translation seat 12 so that all translation seats 12 move synchronously, and the pressing unit 13 stops driving after the distance between adjacent tools 11 reaches the specified size. S2. The copper alloy strip 2 is introduced into the lower part of the cutting unit 1, and the horizontally arranged cutter 11 cuts the copper alloy strip 2 into strips of equal width. S3. Cut the strip that has been slit to a fixed length to complete the processing.

[0048] Working Principle: During the tool adjustment stage, the device achieves synchronous and equidistant adjustment of the tool spacing through the coordinated action of the pressing unit 13, the translation seat 12, and the guide rod 14. The lifting unit 134 in the pressing unit 13 drives the support rod 133 to move vertically, causing multiple pressing frames 131 and extension columns 132 to move synchronously. The extension column 132 extends into the inclined groove 121 on the side wall of the translation seat 12. When the extension column 132 moves vertically, it pushes the translation seat 12 to slide horizontally through the guiding action of the inclined groove 121. Since all translation seats 12 are mounted on the guide rod 14, and the pressing frames 131 and translation seats 12 are staggered, during the lifting and lowering of the support rod 133, except for the pressing frames 131 fixed at the end, the other pressing frames 131 slide relative to the support rod 133, simultaneously causing the translation seats 12 to move synchronously and equidistantly along the guide rod 14, ultimately making the spacing between all adjacent tools 11 consistent. The rangefinder 15 monitors the distance between adjacent translation seats 12 in real time to ensure that the spacing meets the target width requirements. If the overall position of the tool 11 needs to be adjusted, the translation unit 17 can drive the side plate 16 to move all the tools 11 in the horizontal direction as a whole to ensure precise matching with the position of the copper alloy strip 2.

[0049] During the cutting of copper alloy strip 2, the device achieves continuous and efficient cutting through multiple sets of cutting units 1. The copper alloy strip 2 is fed in by a traction component located at the front end of the cutting unit 1, and after being corrected in position by the limiting plates 31 on both sides of the limiting unit 3, it enters the cutting area. The cutting units 1 are arranged sequentially along the strip conveying direction, and the cutting depth of the cutter 11 gradually increases. This progressive cutting reduces the load on a single cutter 11, minimizing edge burrs on the cut copper alloy strip 2. Finally, the lower end of the cutter 11 of the cutting unit 1 extends into the lower cutting groove 51 of the platform 5, ensuring that the copper alloy strip 2 can be completely cut without damaging the platform 5. The cut copper alloy strip 2 is then fed out by a traction component located at the rear end of the cutting unit 1, completing the continuous cutting. If the cutter 11 needs to be replaced, the worn cutter 11 can be replaced individually by removing the fixing screws in the mounting groove 122, making maintenance convenient.

[0050] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of protection of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A continuous cutting device for copper alloy strip with adjustable width, comprising a cutting unit (1) for cutting copper alloy strip (2) and a platform (5); characterized in that, The cutting unit (1) includes a cutting tool (11), a translation seat (12), an inclined groove (121), and a pressing unit (13); multiple cutting tools (11) are provided and arranged in a horizontal direction, and the arrangement direction of the cutting tools (11) is the same as the width direction of the copper alloy strip (2); the translation seat (12) is provided on the upper part of each cutting tool (11), and the translation seat (12) can move along the arrangement direction of the cutting tools (11), and the height of the translation seat (12) in the vertical direction remains unchanged; the inclined groove (121) is opened on the side wall of the translation seat (12); the pressing unit (13) is provided on the upper part of the translation seat (12) and extends into the inclined groove (121).

2. The adjustable-width continuous cutting device for copper alloy strip according to claim 1, characterized in that, The pressing unit (13) includes a pressing frame (131) and an extension column (132); multiple pressing frames (131) are arranged in a horizontal direction, and the direction of the pressing frames (131) is parallel to the direction of the cutting tool (11). The pressing frames (131) and the translation seat (12) are staggered; the extension column (132) is fixedly set on the pressing frame (131) and extends into the inclined groove (121), and the extension column (132) and the inclined groove (121) are slidably engaged.

3. The adjustable-width continuous cutting device for copper alloy strip according to claim 2, characterized in that, The pressing unit (13) also includes a support rod (133) and a lifting unit (134); the support rod (133) is arranged along the arrangement direction of the pressing frame (131) and passes through all the pressing frames (131) in sequence; the lifting unit (134) is arranged on one side of the support rod (133) and is used to drive the support rod (133) to rise and fall.

4. The adjustable-width continuous cutting device for copper alloy strip according to claim 1, characterized in that, A rangefinder (15) is horizontally mounted on one of the translation seats (12), with the detection end of the rangefinder (15) pointing horizontally toward the translation seat (12) on the adjacent side.

5. The adjustable-width continuous cutting device for copper alloy strip according to claim 3, characterized in that, Below the cutting unit (1) is a limiting unit (3) for limiting the copper alloy strip (2). The limiting unit (3) includes a limiting plate (31) and a linear driver (32). There are two limiting plates (31) located on both sides of the cutting unit (1). There are two linear drivers (32) for driving the two limiting plates (31) to move.

6. The adjustable-width continuous cutting device for copper alloy strip according to claim 5, characterized in that, The cutting unit (1) also includes a side plate (16) and a translation unit (17); the side plate (16) is fixedly mounted on the end of the support rod (133); the translation unit (17) is mounted on one side of the side plate (16) and is used to drive the side plate (16) to move along the arrangement direction of the pressing frame (131).

7. The adjustable-width continuous cutting device for copper alloy strip according to claim 1, characterized in that, A mounting groove (122) is provided at the lower part of the translation seat (12), and the upper part of the cutter (11) is fixed in the mounting groove (122) by screws.

8. The adjustable-width continuous cutting device for copper alloy strip according to claim 1, characterized in that, The device also includes a length-fixing unit (6), which includes an arc-shaped shell (61), a rotating roller (62), and a cutting blade (63). The arc-shaped shell (61) is set on the discharge end of the platform (5). The rotating roller (62) is rotatably set inside the arc-shaped shell (61) along the axis of the arc-shaped shell (61), and there is an arc-shaped cavity between the rotating roller (62) and the arc-shaped shell (61). The cutting blade (63) is moved along the radial direction of the rotating roller (62) and is set on the rotating roller (62). The cutting blade (63) is hydraulically driven. When the cutting head of the cutting blade (63) faces the arc-shaped cavity, the rotation speed of the rotating roller (62) is the same as that of the copper alloy strip (2).

9. The adjustable-width continuous cutting device for copper alloy strip according to claim 8, characterized in that, When the cutting head of the cutting blade (63) is facing away from the arc cavity, the rotation speed of the rotating roller (62) can be different from the conveying speed of the copper alloy strip (2).

10. A method for continuous cutting of copper alloy strip with adjustable width, employing the continuous cutting device for copper alloy strip with adjustable width as described in any one of claims 1-9, characterized in that, The specific steps are as follows: S1. The pressing unit (13) is used to adjust the translation seat (12) so that all translation seats (12) move synchronously, and the pressing unit (13) stops driving after the distance between adjacent tools (11) reaches the specified size. S2. The copper alloy strip (2) is introduced into the lower part of the cutting unit (1), and the cutting tools (11) arranged in the horizontal direction cut the copper alloy strip (2) into strips of equal width. S3. Cut the strip that has been slit to a fixed length to complete the processing.

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