Wire feeding device with wire arm displacement for medium-speed wire cutting

By constructing a stable frame and a precisely controlled wire feeding device, the problem of unstable wire feeding was solved, achieving efficient and stable wire feeding and cutting effects, and improving processing accuracy and convenience.

CN224444791UActive Publication Date: 2026-07-03GUANGDONG XINLEITING CNC EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG XINLEITING CNC EQUIP CO LTD
Filing Date
2025-03-20
Publication Date
2026-07-03

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Abstract

This utility model relates to the technical field of wire feeding devices, and discloses a wire feeding device for the displacement of the wire feeding arm in a medium-speed wire cutting machine. It includes a base plate, a wire unloading device fixedly connected to the top left side of the base plate, a support frame fixedly connected to the top right side of the base plate, a guide tube two fixedly connected to the bottom left side of the support frame, a movable conductive block fixedly connected to the left side of the guide tube two, and an opening / closing wire clamping cylinder fixedly connected to the left side of the movable conductive block. A guide tube one is provided on the left side of the opening / closing wire clamping cylinder. In this utility model, the device uses the base plate as a foundation, and a stable frame is constructed through connecting plates and support plates. The height of the top plate one or the support plate is adjusted by a screw to change the wire feeding path. A displacement limiting block is used to limit the maximum movement distance of the wire. The entire device achieves efficient and stable wire feeding and cutting functions through precise control and coordination of the operation of each component, thus facilitating operation by the operator.
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Description

Technical Field

[0001] This utility model relates to the field of wire feeding device technology, and in particular to a wire feeding device for displacement of the wire cutting arm in a medium-speed wire EDM. Background Technology

[0002] With the development of the manufacturing industry, the requirements for machining accuracy and surface quality of parts such as molds are constantly increasing. As a result, medium-speed wire EDM technology has emerged and been widely used. Medium-speed wire EDM machines combine the advantages of fast-speed and slow-speed wire EDM, which not only have high machining efficiency but also achieve good machining accuracy. They can meet the machining needs of small and medium batches of high-precision parts. However, in order to give full play to the performance of medium-speed wire EDM machines and improve machining efficiency and stability, it is necessary to continuously improve and optimize its related devices. The wire feeding device with the wire feed arm displacement is one of them. This device can complete the wire feeding operation more accurately and quickly, improving the automation and reliability of the machining process.

[0003] The level of automation in the manufacturing industry is constantly improving, and automation technology is also being continuously introduced into the machining field. For wire EDM machines, automated wire threading and feeding devices can effectively improve production efficiency, reduce labor intensity, and reduce the impact of human factors on processing quality. The emergence of wire feeding devices with displacement of the wire feed arm in medium-speed wire EDM is in line with this trend of automation development and reflects the continuous progress of wire EDM technology. However, existing wire feeding devices are not stable enough during the wire feeding process, and the wire may vibrate or deviate, affecting the shape of the cut workpiece, causing distortion, and affecting the accuracy of wire feeding, thus failing to meet daily use needs. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a wire feeding device for the lower arm displacement of a medium-speed wire EDM, which aims to improve the problem that the existing wire feeding device is not stable enough during the wire feeding process, and the wire will shake and deviate, affecting the shape of the cut workpiece and the accuracy of wire feeding.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a wire feeding device for the lower wire of a wire cutting machine, comprising a base plate, a wire unloading device fixedly connected to the top left side of the base plate, a support frame fixedly connected to the top right side of the base plate, a guide tube II fixedly connected to the bottom left side of the support frame, a movable conductive block fixedly connected to the left side of the guide tube II, an opening and closing wire clamping cylinder fixedly connected to the left side of the movable conductive block, a guide tube I provided on the left side of the opening and closing wire clamping cylinder, a screw provided at the top of the guide tube I, a guide rail provided at the top of the screw, a displacement sensor provided on the top right side of the guide rail, and a displacement limiting block provided on the right side of the displacement sensor.

[0006] As a further description of the above technical solution:

[0007] A connecting plate is fixedly connected to the bottom left side of the base plate, and a support plate is fixedly connected to the left side of the connecting plate.

[0008] As a further description of the above technical solution:

[0009] A rear plate is fixedly connected to the lower middle part of the outer wall of the support plate.

[0010] As a further description of the above technical solution:

[0011] A first threaded wheel is rotatably connected to the top left side of the rear plate, and a second threaded wheel is rotatably connected to the top right side of the rear plate.

[0012] As a further description of the above technical solution:

[0013] A top plate is fixedly connected to the top right side of the rear plate.

[0014] As a further description of the above technical solution:

[0015] The displacement sensor is provided with a top plate.

[0016] This utility model has the following beneficial effects:

[0017] 1. In this utility model, the device is based on a base plate, and a stable frame is constructed through connecting plates and support plates. The first and second wire wheels are respectively installed on the rear plate. The displacement sensor monitors the position of the wire in real time. The height of the top plate or support plate is adjusted by the screw to change the wire feeding path. The displacement limit block is used to limit the maximum movement distance of the wire. The entire device achieves efficient and stable wire feeding and cutting functions through precise control and coordination of the operation of each component, thereby making it easy for operators to use and improving convenience. Attached Figure Description

[0018] Figure 1 This is a front perspective view of the wire feeding and displacement device for the wire cutting arm of the medium-speed wire cutting machine proposed in this utility model.

[0019] Figure 2 This is a structural diagram of the wire feeding device for the lower wire of a medium-speed wire EDM cutting machine proposed in this utility model.

[0020] Figure 3 This is a structural diagram illustrating the wire feeding and displacement device for the wire cutting arm of the medium-speed wire EDM proposed in this utility model.

[0021] Figure 4 This is a rear view of the wire feeding device for the wire cutting arm displacement proposed in this utility model.

[0022] Legend:

[0023] 1. Base plate; 2. Connecting plate; 3. Wire unloading device; 4. Wire wheel one; 5. Support plate; 6. Rear plate; 7. Top plate one; 8. Wire wheel two; 9. Top plate two; 10. Support frame; 11. Movable conductive block; 12. Opening and closing wire clamping cylinder; 13. Guide tube one; 14. Screw; 15. Guide rail; 16. Displacement sensor; 17. Displacement limit block; 18. Guide tube two. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see the appendix Figure 1 - Appendix Figure 3 An embodiment of this utility model provides a wire feeding device for the wire cutting arm displacement, including a base plate 1. A wire unloading device 3 is fixedly connected to the top left side of the base plate 1. A support frame 10 is fixedly connected to the top right side of the base plate 1. A guide tube 2 18 is fixedly connected to the bottom left side of the support frame 10. A movable conductive block 11 is fixedly connected to the left side of the guide tube 2 18. An opening and closing wire clamping cylinder 12 is fixedly connected to the left side of the movable conductive block 11. A guide tube 13 is provided on the left side of the opening and closing wire clamping cylinder 12. A screw 14 is provided at the top of the guide tube 13. A guide rail 15 is provided at the top of the screw 14. A displacement sensor 16 is provided on the top right side of the guide rail 15. A displacement limiting block 17 is provided on the right side of the displacement sensor 16.

[0026] Specifically, the base plate 1 serves as a stable foundation and is fixedly connected to a wire-removing device 3. On the top right side of the base plate 1, a support frame 10 is also fixedly connected, providing support and making the entire device more compact and efficient. To the left of the guide tube 18, the movable conductive block 11 is fixed by a reliable connection. To the left of the movable conductive block 11, the opening and closing wire-clamping cylinder 12, with its powerful driving force and precise control capability, is responsible for driving the wire-clamping device to perform opening and closing operations, thereby realizing the function of clamping and releasing the wire. The top of the screw 14 is connected to a guide rail 15, which provides additional support and stability, allowing for smooth sliding and movement on the guide rail 15.

[0027] Please see the appendix Figure 2 - Appendix Figure 4A rear plate 6 is fixedly connected to the lower part of the outer wall of the support plate 5. A connecting plate 2 is fixedly connected to the bottom left side of the bottom plate 1. A support plate 5 is fixedly connected to the left side of the connecting plate 2. A first thread wheel 4 is rotatably connected to the top left side of the rear plate 6. A second thread wheel 8 is rotatably connected to the top right side of the rear plate 6. A first top plate 7 is fixedly connected to the top right side of the rear plate 6. A second top plate 9 is provided on the top of the displacement sensor 16.

[0028] Specifically, the base plate 1 serves as the support for the entire device, and a connecting plate 2 is fixedly connected to it. This connecting plate 2 enhances the structural strength of the base plate 1. To the left of the connecting plate 2, a support plate 5 is fixedly connected, which allows it to stably support the upper part. On the top right side of the rear plate 6, the second thread wheel 8 cooperates with the first thread wheel 4. The second top plate 9 not only provides necessary protection for the displacement sensor 16 but also provides a stable mounting platform. By sensing the movement distance and position changes of the upper components, the displacement sensor 16 can accurately control the operating status of the entire device, thereby achieving precise control of the wire transmission and clamping process.

[0029] Working Principle: The device is based on a base plate 1, and a stable frame is constructed through a connecting plate 2, a support plate 5, a rear plate 6, and a top plate 7. Wire wheels 4 and 8 are mounted on the rear plate 6. The wire passes through guide tubes 13 and 18 and is smoothly fed under the guidance of guide rail 15. A wire-clamping cylinder 12 clamps and releases the wire, ensuring the continuity of the wire feeding process. A displacement sensor 16 monitors the wire position in real time. The height of the top plate 7 or the support plate 5 is adjusted by a screw 14 to change the wire feeding path. A displacement limit block 17 limits the maximum movement distance of the wire to prevent overtravel. A movable conductive block 11 contacts the wire to realize the wire feeding and cutting operation. The entire device achieves efficient and stable wire feeding and cutting functions through precise control and coordination of the operation of each component, thus facilitating operation and improving convenience.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wire displacement device for a wire arm of a medium-speed wire-cut electrical discharge machine, comprising a base plate (1), characterized in that: A wire-removing device (3) is fixedly connected to the top left side of the base plate (1), a support frame (10) is fixedly connected to the top right side of the base plate (1), a guide tube (18) is fixedly connected to the bottom left side of the support frame (10), a movable conductive block (11) is fixedly connected to the left side of the guide tube (18), an opening and closing wire-clamping cylinder (12) is fixedly connected to the left side of the movable conductive block (11), a guide tube (13) is provided on the left side of the opening and closing wire-clamping cylinder (12), a screw (14) is provided at the top of the guide tube (13), a guide rail (15) is provided at the top of the screw (14), a displacement sensor (16) is provided on the top right side of the guide rail (15), and a displacement limiting block (17) is provided on the right side of the displacement sensor (16).

2. The mid-wire electro-erosion wire feed apparatus of claim 1, wherein: A connecting plate (2) is fixedly connected to the bottom left side of the base plate (1), and a support plate (5) is fixedly connected to the left side of the connecting plate (2).

3. The mid-wire electro-erosion wire feed apparatus of claim 2, wherein: The lower part of the outer wall of the support plate (5) is fixedly connected to the rear plate (6).

4. The wire feeding and displacement device for wire cutting arm as described in claim 3, characterized in that: A first threaded wheel (4) is rotatably connected to the top left side of the rear plate (6), and a second threaded wheel (8) is rotatably connected to the top right side of the rear plate (6).

5. The mid-wire electro-erosion wire feed apparatus of claim 3, wherein: The top right side of the rear plate (6) is fixedly connected to the top plate (7).

6. The mid-wire electro-erosion wire feed apparatus of claim 1, wherein: The displacement sensor (16) is provided with a top plate 2 (9).