Wire cutting quick change system

By designing a quick change platform and leveling device in online cutting processing, the problems of clamping time and error risks in traditional line cutting processing are solved, and efficient and accurate workpiece processing and production process optimization are achieved.

CN222843283UActive Publication Date: 2025-05-09广东日信高精密科技股份有限公司
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Patent Information

Application Number
CN202421724315.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-09
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

In traditional wire cutting processing, the clamping and tooling process takes a long time, there is a risk of error, and frequent clamping and disassembling may damage the workpiece and reduce production efficiency.

Method used

A fast-changing system for wire cutting is designed to pre-assemble and level the workpiece outside the machine through the quick-changing platform, and use the first and second leveling devices to ensure accurate leveling, reducing the clamping time on the online cutting machine.

Benefits of technology

It greatly reduces the clamping time on the wire cutting machine, improves processing accuracy, reduces the risk of workpiece damage, optimizes the production process, and improves production efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a wire cutting quick-change system which comprises a quick-change platform, a first fixing block, a clamp device, a first leveling device, a second leveling device and a second fixing block, the first fixing block is installed on the quick-change platform, the second fixing block is installed on a workbench of a wire cutting machine, the clamp device is installed on the first fixing block after clamping a workpiece, and the second leveling device is installed on the second fixing block after clamping the workpiece. The first leveling device is arranged on the left side in front of the first fixing block and used for leveling the left side face of a workpiece, the second leveling device is arranged on the front side of the first fixing block and used for leveling the front side face of the workpiece, and after the workpiece is leveled, the clamp device clamps the leveled workpiece to be installed on the second fixing block for wire cutting machining. By arranging the quick-change platform, the workpiece can be pre-clamped and leveled outside the machine, and then the workpiece is quickly replaced on the workbench of the wire cutting machine as a whole (including the workpiece, the clamp device and the leveled workpiece surface), so that the clamping time on the wire cutting machine is greatly shortened.
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Description

Technical Field

[0001] The present application relates to the field of wire cutting quick clamping systems, and in particular to a wire cutting quick change system. Background Art

[0002] In the traditional wire cutting industry, the processing process is often highly dependent on machine operation, especially the precise tool setting and clamping of the workpiece. These steps are crucial to ensuring processing accuracy, improving product quality and maintaining the stability of the production line. However, as industrial manufacturing develops towards high efficiency, precision and automation, some links in the traditional processing process have gradually revealed their limitations, especially when dealing with complex shapes, high precision requirements or large-scale production tasks.

[0003] Specifically, the tool setting and clamping steps in the traditional wire cutting process are not only time-consuming, but also increase the risk of errors caused by human operation. Every time the workpiece is loaded onto the machine, it needs to be finely adjusted and calibrated to ensure the accurate relative position between the workpiece and the cutting tool. This process not only depends on the operator's experience and skill level, but is also affected by many factors such as machine status, ambient temperature, material properties, etc., so it is difficult to achieve a high degree of repeatability and consistency.

[0004] In addition, frequent clamping and disassembly may also cause damage to the workpiece surface, affecting the processing quality and subsequent use. At the same time, long downtime waiting also reduces the overall efficiency of the production line and increases production costs. Utility Model Content

[0005] The purpose of the present application is to provide a wire cutting quick-change system, which, by setting up a quick-change platform, allows the workpiece to be pre-clamped and leveled outside the machine, and then quickly replaced as a whole (including the workpiece, the clamping device and the leveled workpiece surface) to the workbench of the wire cutting machine, thereby greatly reducing the clamping time on the wire cutting machine.

[0006] A wire cutting quick change system comprises a quick change platform, a first fixing block, a clamp device, a first leveling device, a second leveling device and a second fixing block, wherein:

[0007] The first fixed block is installed on the quick-change platform, the second fixed block is installed on the workbench of the wire cutting machine, the clamp device is installed on the first fixed block after clamping the workpiece, the first leveling device is arranged on the left side in front of the first fixed block, and is used to level the left side of the workpiece, the second leveling device is arranged on the front side of the first fixed block, and is used to level the front side of the workpiece. After the workpiece is leveled, the clamp device clamps the leveled workpiece and installs it on the second fixed block for wire cutting processing.

[0008] Furthermore, a first positioning portion and a second positioning portion are provided on the upper surface of the first fixing block, the first positioning portion is used to position the left side of the clamp device, and the second positioning portion is used to position the rear side of the clamp device.

[0009] Further, the fixture device includes a fixture base plate, a first positioning block, a second positioning block, a first pressure block assembly and a second pressure block assembly, the first positioning block, the second positioning block, the first pressure block assembly and the second pressure block assembly are all arranged on the fixture base plate, the first positioning block is used to position the left side of the workpiece, the second positioning block is used to position the back side of the workpiece, the first pressure block assembly is arranged on the second positioning hole, and is used to press the workpiece against the fixture base plate, and the second pressure block assembly is used to press the right side of the workpiece.

[0010] Further, the first pressure block assembly includes a first pressure plate, a first base, a support stud, a first nut, a screw rod and a second nut, the first pressure plate is installed on the screw rod through the first nut, the screw rod is installed on the first base through the second nut, the support stud is arranged on the rear side of the screw rod, and the lower end of the support stud is installed on the first pressure plate, and the upper end of the support stud is against the bottom of the rear side of the first pressure plate.

[0011] Furthermore, a spring is sleeved on the screw rod, the upper end of the spring abuts against the bottom of the first pressing plate through a gasket, and the lower end of the spring abuts against the second nut.

[0012] Furthermore, a circular arc groove is provided at the bottom of the first pressing plate corresponding to the upper end protrusion of the supporting stud, and the rotation center of the circular arc groove is the same as the rotation center of the screw.

[0013] Furthermore, the lower end of the support stud is a threaded portion threadedly connected to the threaded hole of the first base.

[0014] Furthermore, the second pressure block assembly includes a second pressure block, a pressure block driving rod, a pressure block driving block, a mounting seat and a driving screw. The right side of the second pressure block is slidably connected to the pressure block driving block through the pressure block driving rod. The pressure block driving block is wedge-shaped, and a wedge-shaped groove is provided in the mounting seat corresponding to the pressure block driving block. The driving screw can drive the pressure block driving block to move downward in the wedge-shaped groove of the mounting seat. The downward movement of the pressure block driving block will drive the pressure block driving rod to push the second pressure block to move to the left.

[0015] Furthermore, an anti-slip layer is provided on the left side surface of the second pressing block.

[0016] The beneficial effects of this application are:

[0017] (1) In traditional wire cutting, each time the workpiece is put on the machine, a tedious clamping and tool alignment process is required, which consumes a lot of time. The quick-change system of the present application sets up a quick-change platform, so that the workpiece can be pre-clamped and leveled outside the machine, and then quickly replaced as a whole (including the workpiece, the fixture device and the leveled workpiece surface) on the workbench of the wire cutting machine, thereby greatly reducing the clamping time on the wire cutting machine.

[0018] (2) The first leveling device and the second leveling device built into the system of the present application ensure that the workpiece can be accurately leveled when clamped on the quick-change platform. This pre-leveling process reduces the processing error caused by uneven clamping of the workpiece and improves the processing accuracy of the final product.

[0019] (3) In the present application, since the workpiece is leveled and clamped outside the machine, the number of repeated adjustments on the machine is reduced, thereby reducing the risk of damage to the workpiece surface due to frequent clamping.

[0020] (4) The design of the entire quick-change process of this application is intended to reduce downtime and improve the continuous operation capacity of the production line. When one wire cutting machine is processing, another workpiece can be clamped and leveled on the quick-change platform, thereby optimizing the production process and improving efficiency.

[0021] (5) The modular design of the quick-change system of the present application enables different types of workpieces and fixtures to be easily replaced and adapted, thereby enhancing the flexibility and diversity of the production line and being able to better respond to the customized needs of different customers and market changes.

[0022] In summary, the wire cutting quick-change system of the present application reduces time consumption, improves processing accuracy and production efficiency by optimizing the clamping and leveling processes, while protecting the workpiece surface and enhancing the flexibility and adaptability of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a wire cutting quick change system provided in one embodiment of the present application;

[0024] Figure 2 A schematic diagram of the structure of a wire cutting quick change system provided in one embodiment of the present application;

[0025] Figure 3 A schematic diagram of the structure of a first pressing block assembly provided in an embodiment of the present application when pressing a workpiece for wire cutting;

[0026] Figure 4 A cross-sectional view of a first pressing block assembly provided in an embodiment of the present application when pressing a workpiece for wire cutting;

[0027] Figure 5A schematic diagram of the structure of a second pressing block assembly provided in an embodiment of the present application pressing a workpiece;

[0028] Figure 6 A bottom view of a first pressing plate provided in one embodiment of the present application;

[0029] Description of reference numerals:

[0030] 1. Quick-change platform; 2. First fixed block; 3. Fixture device; 4. First leveling device; 5. Second leveling device; 6. Second fixed block; 7. Workpiece;

[0031] 21. first positioning portion; 22. second positioning portion;

[0032] 31. fixture bottom plate; 32. first positioning block; 33. second positioning block; 34. first pressing block assembly; 35. second pressing block assembly;

[0033] 341, first pressing plate; 342, first base; 343, supporting stud; 344, first nut; 345, screw rod; 346, second nut; 347, spring; 348, gasket;

[0034] 3431, raised portion;

[0035] 3411, arc groove; 3412, blocking portion;

[0036] 3421, threaded hole;

[0037] 351, second pressing block; 352, pressing block driving rod; 353, pressing block driving block; 354, mounting seat; 355, driving screw;

[0038] 3511, anti-slip layer; DETAILED DESCRIPTION

[0039] The terms used in the implementation method part of this application are only used to explain the specific embodiments of this application, and are not intended to limit this application. The implementation method of the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0040] like Figure 1 and Figure 2As shown, a wire cutting quick-change system includes a quick-change platform 1, a first fixed block 2, a clamp device 3, a first leveling device 4, a second leveling device 5 and a second fixed block 6, wherein the quick-change platform 1 is a marble platform, the first fixed block 2 is installed on the quick-change platform 1, during installation, bolts (or other fasteners) are inserted into the mounting holes of the first fixed block 2 and the quick-change platform 1, and tightened with tools, the second fixed block 6 is installed in the T-slot of the worktable 8 of the wire cutting machine 9 by bolts, the clamp device 3 is also installed in the first fixed T-slot after clamping the workpiece, the first leveling device 4 is arranged on the left side in front of the first fixed block 2, the first leveling device 4 includes a first micrometer and a first slide rail, the first micrometer is installed on the first slide rail, and is used to level the left side of the workpiece, by moving along the slide rail and contacting the left side of the workpiece, the first micrometer can measure and display the flatness or dimensional deviation of the workpiece surface in real time. The operator can adjust the position of the workpiece according to the reading of the first micrometer to achieve the desired leveling effect; the second leveling device 5 is arranged on the front side of the first fixed block 2, and is used to level the front side of the workpiece. After the workpiece is leveled, the clamping device 3 clamps the leveled workpiece and installs it on the second fixed block 6 for wire cutting.

[0041] The clamping device 3 is used to clamp the workpiece to be processed and preliminarily position it on the first fixed block 2. In order to ensure the processing accuracy, the system is equipped with a first leveling device 4 and a second leveling device 5. The first leveling device 4 is located on the front left side of the first fixed block 2, and includes a first micrometer and a first slide rail. The operator moves the first micrometer along the first slide rail to make it contact the left side of the workpiece, and measures and displays the flatness or dimensional deviation of the workpiece surface in real time. According to the reading, the operator can adjust the position of the workpiece until the desired leveling effect is achieved. The second leveling device 5 is used to level the front side of the workpiece, and also achieves comprehensive leveling of the workpiece through precise measurement and adjustment.

[0042] After the workpiece is leveled, the clamping device 3 continues to clamp the workpiece and transfers it from the first fixed block 2 to the second fixed block 6. The second fixed block 6 is bolted into the T-slot of the worktable of the wire cutting machine, providing a stable support for the workpiece during the processing. At this point, the workpiece is fully ready for wire cutting.

[0043] On the wire cutting machine, after the workpiece is accurately positioned and fixed, the wire cutting process begins. After completing the processing of a workpiece, the fixture device 3 and the workpiece can be quickly removed from the second fixed block 6 through the quick change system, and a new workpiece to be processed can be installed. This quick replacement capability enables the system to achieve continuous production and improve overall processing efficiency.

[0044] In summary, the wire cutting quick-change system achieves efficient and high-precision processing of workpieces through precise leveling, stable fixation and fast replacement mechanism.

[0045] like Figure 1 As shown, the upper surface of the first fixing block 2 is provided with a first positioning portion 21 and a second positioning portion 22, the first positioning portion 21 is used to position the left side of the clamp device 3, and the second positioning portion 22 is used to position the rear side of the clamp device 3. The first positioning portion 21 and the second positioning portion 22 provide a clear positioning reference for the clamp device 3, ensuring that the clamp device 3 can be accurately aligned to a predetermined position during installation. This helps to reduce processing errors caused by position deviation.

[0046] Through the standardized positioning part design, the same positioning effect can be achieved each time the clamp device 3 is replaced, thereby ensuring the consistency and repeatability of the processing.

[0047] like Figure 1 As shown, the clamp device 3 includes a clamp base plate 31, a first positioning block 32, a second positioning block 33, a first pressure block assembly 34 and a second pressure block assembly 35. The first positioning block 32, the second positioning block 33, the first pressure block assembly 34 and the second pressure block assembly 35 are all arranged on the clamp base plate 31. The first positioning block 32 is used to position the left side of the workpiece. During the processing, the first positioning block 32 can prevent the workpiece from lateral displacement due to uneven force or vibration, etc., to ensure the processing accuracy. The second positioning block 33 is used to position the rear side of the workpiece. By limiting the movement of the workpiece in the front and rear directions, the second positioning block 33 further enhances the stability of the workpiece during processing. The first pressure block assembly 34 is arranged on the second positioning hole, and the workpiece is pressed downward to be firmly fixed on the fixture base plate 31. During processing, the first pressure block assembly 34 can prevent the workpiece from lifting or shaking due to uneven force or vibration, thereby ensuring the smooth progress of the processing. The second pressure block assembly 35 is used to press the right side of the workpiece. By pressing the right side of the workpiece, the second pressure block assembly 35 further enhances the stability of the workpiece in the fixture device 3, thereby ensuring that the workpiece will not move or deform in any direction during processing.

[0048] like Figure 3 and Figure 5As shown, in this embodiment, the first pressing block assembly 34 includes a first pressing plate 341, a first base 342, a supporting stud 343, a first nut 344, a screw 345 and a second nut 346. The first pressing plate 341 is mounted on the screw 345 through the first nut 344, and the screw 345 is mounted on the first base 342 through the second nut 346. The supporting stud 343 is arranged at the rear side of the screw 345, and the lower end of the supporting stud 343 is mounted on the first pressing plate 341, and the upper end of the supporting stud 343 is against the bottom of the rear side of the first pressing plate 341. According to the height and shape of the workpiece, the positions of the screw 345 and the first pressing plate 341 in the first pressing block assembly 34 are preliminarily adjusted so that the first pressing plate 341 can be roughly aligned with the surface of the workpiece, but no pressing force is applied at this time. By rotating the screw 345 (usually using a tool such as a wrench), the screw 345 moves downward, thereby driving the first pressing plate 341 to approach the surface of the workpiece. As the screw 345 continues to rotate, the first pressing plate 341 gradually contacts and presses the workpiece. At this time, the pressing condition of the workpiece should be carefully observed to ensure that the workpiece is evenly and firmly pressed on the fixture bottom plate 31. According to factors such as the material of the workpiece, processing requirements and equipment conditions, the degree of descent of the screw 345 is adjusted by rotating the first nut 344, thereby controlling the pressing force of the first pressing plate 341 on the workpiece. The pressing force should be moderate, neither too tight to cause deformation of the workpiece, nor too loose to cause movement of the workpiece during processing.

[0049] like Figure 5 As shown, in this embodiment, a spring 347 is sleeved on the screw rod 345 , the upper end of the spring 347 abuts against the bottom of the first pressure plate 341 through a gasket 348 , and the lower end of the spring 347 abuts against the second nut 346 .

[0050] During the pressing process, the spring 347 can play a certain buffering role, reducing the impact on the workpiece or the fixture caused by the sudden pressing force. At the same time, it also helps to protect the first pressing plate 341 and the screw 345 and other components from the influence of excessive pressure.

[0051] When the first nut 344 is loosened, due to the elastic force of the spring 347, it will try to lift up the first pressing plate 341 so that it will not fall due to its own weight or external factors. This automatic reset function allows the pressing block assembly to easily release the workpiece when needed, facilitating the replacement of the workpiece or the adjustment of the fixture.

[0052] like Figure 6As shown, further, the bottom of the first pressing plate 341 is provided with an arc groove 3411 corresponding to the upper end protrusion 3431 of the support stud 343, and the shape and size of the arc groove 3411 match the protrusion 3431 of the support stud 343, allowing the protrusion 3431 to rotate freely in the groove. The rotation center of the arc groove 3411 is the same as the rotation center of the screw 345. Since the upper end protrusion 3431 of the support stud 343 is located in the arc groove 3411, when it is necessary to adjust the position of the first pressing plate 341 relative to the workpiece, the first pressing plate 341 can be rotated around the rotation center of the screw 345 by rotating the entire pressing block assembly. At this time, the tail end of the first pressing plate 341 and the corresponding part of the support stud 343 will rotate in the arc groove 3411, so as to realize the flexible adjustment of the first pressing plate 341.

[0053] This design allows the first pressing plate 341 to be rotated to quickly release the workpiece when the workpiece needs to be released quickly, thereby improving the convenience and efficiency of the operation.

[0054] A blocking portion 3412 (such as a stopper, a convex point, etc.) may also be provided in the arc groove 3411 to limit the rotation position of the first pressing plate 341. This ensures that the first pressing plate 341 does not exceed a predetermined range during rotation, thereby maintaining its stability and accuracy.

[0055] like Figure 5 As shown, further, the lower end of the support stud 343 is a threaded portion that is threadedly connected to the threaded hole 3421 of the first base 342. The threaded portion at the lower end of the support stud 343 is matched with the threaded hole 3421 of the first base 342. By rotating the support stud 343, the depth of its insertion into the first base 342 can be conveniently adjusted, thereby achieving precise control of the height of the support stud 343. This design allows the support height of the first pressing plate 341 to be quickly adjusted under different workpiece heights or different processing requirements.

[0056] like Figure 4 As shown, further, the second pressure block assembly 35 includes a second pressure block 351, a pressure block driving rod 352, a pressure block driving block 353, a mounting seat 354 and a driving screw 355. The right side of the second pressure block 351 is slidingly connected to the pressure block driving block 353 through the pressure block driving rod 352. The pressure block driving block 353 is wedge-shaped, and a wedge-shaped groove is provided in the mounting seat 354 corresponding to the pressure block driving block 353. The driving screw 355 can drive the pressure block driving block 353 to move downward in the wedge-shaped groove of the mounting seat 354. The downward movement of the pressure block driving block 353 will drive the pressure block driving rod 352 to push the second pressure block 351 to move to the left.

[0057] When the driving screw 355 rotates, it pushes the pressing block driving block 353 to move downward in the wedge-shaped groove of the mounting seat 354 through some mechanical connection (such as threaded connection or gear meshing) with the pressing block driving block 353. Since the pressing block driving block 353 is wedge-shaped, it will slide along the inclined surface of the wedge-shaped groove during the downward movement, and this sliding process will be converted into horizontal movement of the pressing block driving rod 352. As the pressing block driving block 353 moves downward in the wedge-shaped groove, the pressing block driving rod 352 is pushed and moves horizontally to the left, thereby driving the second pressing block 351 to move to the left to press the left side of the workpiece.

[0058] Due to the cooperation between the wedge block and the wedge groove and the driving method of the screw rod 345, this design can achieve rapid pressing of the left side of the workpiece by the second pressing block 351.

[0059] like Figure 4 As shown, further, the left side of the second pressing block 351 is provided with an anti-skid layer 3511. The design of the anti-skid layer 3511 can significantly increase the friction between the second pressing block 351 and the left side of the workpiece. During the clamping process, this increased friction helps prevent the workpiece from sliding or shifting due to cutting force, vibration or other external factors during the processing, thereby ensuring that the workpiece can be stably maintained at a predetermined position for processing.

[0060] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0061] In the embodiments of the present application, the devices or elements referred to or implied must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise precisely and specifically specified.

[0062] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the embodiments of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein, for example, can be implemented in an order other than those illustrated or described herein. In addition, the terms "may include" and "have" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or devices.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, rather than to limit them. Although the embodiments of the present application are described in detail with reference to the above embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A wire cutting quick change system, characterized in that: It includes a quick-change platform, a first fixed block, a clamp device, a first leveling device, a second leveling device and a second fixed block, wherein: The first fixed block is installed on the quick-change platform, the second fixed block is installed on the workbench of the wire cutting machine, the clamp device is installed on the first fixed block after clamping the workpiece, the first leveling device is arranged on the left side in front of the first fixed block, and is used to level the left side of the workpiece, the second leveling device is arranged on the front side of the first fixed block, and is used to level the front side of the workpiece. After the workpiece is leveled, the clamp device clamps the leveled workpiece and installs it on the second fixed block for wire cutting processing.

2. A wire cutting quick change system according to claim 1, characterized in that: A first positioning portion and a second positioning portion are provided on the upper surface of the first fixing block, wherein the first positioning portion is used to position the left side of the clamp device, and the second positioning portion is used to position the rear side of the clamp device.

3. A wire cutting quick change system according to claim 1, characterized in that: The fixture device includes a fixture base plate, a first positioning block, a second positioning block, a first pressure block assembly and a second pressure block assembly. The first positioning block, the second positioning block, the first pressure block assembly and the second pressure block assembly are all arranged on the fixture base plate. The first positioning block is used to position the left side of the workpiece, and the second positioning block is used to position the back side of the workpiece. The first pressure block assembly is arranged on the second positioning hole to press the workpiece against the fixture base plate, and the second pressure block assembly is used to press the right side of the workpiece.

4. A wire cutting quick change system according to claim 3, characterized in that: The first pressure block assembly includes a first pressure plate, a first base, a support stud, a first nut, a screw rod and a second nut. The first pressure plate is installed on the screw rod through the first nut, and the screw rod is installed on the first base through the second nut. The support stud is arranged on the rear side of the screw rod, and the lower end of the support stud is installed on the first pressure plate, and the upper end of the support stud is against the bottom of the rear side of the first pressure plate.

5. A wire cutting quick change system according to claim 4, characterized in that: A spring is sleeved on the screw rod, the upper end of the spring abuts against the bottom of the first pressing plate through a gasket, and the lower end of the spring abuts against the second nut.

6. A wire cutting quick change system according to claim 4, characterized in that: A circular arc groove is arranged at the bottom of the first pressing plate corresponding to the upper end protrusion of the supporting stud, and the rotation center of the circular arc groove is the same as the rotation center of the screw.

7. The wire cutting quick change system according to claim 4, characterized in that: The lower end of the support stud is a threaded portion that is threadedly connected to the threaded hole of the first base.

8. The wire cutting quick change system according to claim 3, characterized in that: The second pressure block assembly includes a second pressure block, a pressure block driving rod, a pressure block driving block, a mounting seat and a driving screw. The right side of the second pressure block is slidably connected to the pressure block driving block through the pressure block driving rod. The pressure block driving block is wedge-shaped, and a wedge-shaped groove is provided in the mounting seat corresponding to the pressure block driving block. The driving screw can drive the pressure block driving block to move downward in the wedge-shaped groove of the mounting seat. The downward movement of the pressure block driving block will drive the pressure block driving rod to push the second pressure block to move to the left.

9. A wire cutting quick change system according to claim 8, characterized in that: The left side of the second pressing block is provided with an anti-slip layer.