A slide rail for a high-precision servo CNC punch press with a toggle joint and double linkage.

CN224617090UActive Publication Date: 2026-08-11ANHUI ERSHIDA TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-17
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0006]本实用新型提供一种肘节双连杆高精度伺服数控冲床的滑轨,解决了传统滑轨多采用双连杆机构将伺服电机的旋转运动转化为滑块的直线往复运动,随着滑块冲压次数的增加,存在丝杆和滑块之间磨损的情况,导致上下运动出现侧向力影响冲压精准度的问题

Benefits of technology

本实用新型提供一种肘节双连杆高精度伺服数控冲床的滑轨,通过在冲压设备表面增加滚轮在限位槽的内部上下滑动,丝杆和滚轮的双限制,保持冲压设备在滑轨表面滑动的精准性,避免丝杆磨损影响冲压设备上下运动出现侧向力影响冲压精准度,满足精密部件的加工要求,提高本装置的实用性。

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Abstract

This invention provides a slide rail for a high-precision servo CNC punch press with a double-link toggle mechanism, comprising: a punching table, a punch press body, a punching device, a slider, and a slide groove. The punch press body is disposed on the top of the punching table. Two slide grooves are respectively formed on both sides of the inner cavity wall of the punch press body. A lead screw is rotatably mounted inside the slide groove. The slider is threadedly engaged with the outer surface of the lead screw. The punching device is fixedly connected to the surface of the slider. This invention provides a slide rail for a high-precision servo CNC punch press with a double-link toggle mechanism. By adding rollers to the surface of the punching device and allowing them to slide up and down inside a limiting groove, the double constraint of the lead screw and rollers maintains the accuracy of the punching device's sliding on the slide rail surface. This avoids the wear of the lead screw affecting the up and down movement of the punching device, preventing lateral forces that could affect the punching accuracy, thus meeting the processing requirements of precision parts and improving the practicality of the device.
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Description

Technical Field

[0001] This utility model relates to the field of high-precision servo CNC punching machine technology with toggle double linkage, and in particular to a slide rail for a high-precision servo CNC punching machine with toggle double linkage. Background Technology

[0002] The toggle-joint double-link servo CNC punch press is an advanced metal processing equipment that occupies an important position in the manufacturing industry. It utilizes a double-link mechanism to precisely convert the rotary motion of the servo motor into the linear reciprocating motion of the slide, enabling high-speed, high-frequency stamping operations. Through the precise control of the CNC system, stamping parameters can be accurately set to meet the processing needs of complex workpieces. The punch press is suitable for fields such as automotive parts and electronic equipment, and can perform punching, blanking, and forming processes on materials such as steel plates and aluminum plates. Compared with traditional punch presses, it has higher processing accuracy, faster production efficiency, and lower energy consumption, which can effectively improve product quality and production efficiency. It is a key piece of equipment for promoting the intelligent and efficient development of the manufacturing industry.

[0003] The toggle-type double-link servo CNC punch press converts the rotary motion of the servo motor into the linear reciprocating motion of the slide through the double-link mechanism. This places extremely high demands on the precision, rigidity, and stability of the slide rail. The guiding accuracy of the toggle-type slide rail directly affects the geometric accuracy of the machine tool. Therefore, the manufacturing precision and wear resistance of the slide rail are crucial. The lateral force experienced by the slide when it moves up and down can be effectively transmitted to the guide rail, thereby reducing the impact on the mold and extending the mold life.

[0004] Traditional slide rails often use a double linkage mechanism to convert the rotational motion of the servo motor into the linear reciprocating motion of the slider. When running at high speed, the lateral wobble error is ≥0.05mm. As the number of times the slider is stamped increases, there is wear between the lead screw and the slider, which causes lateral force in the up and down movement, affecting the stamping accuracy and making it difficult to meet the processing requirements of precision parts such as crankshafts and gearboxes.

[0005] Therefore, it is necessary to provide a slide rail for a high-precision servo CNC punch press with a toggle-joint double linkage to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a slide rail for a high-precision servo CNC punch press with a toggle double linkage. It solves the problem that traditional slide rails often use a double linkage mechanism to convert the rotational motion of the servo motor into the linear reciprocating motion of the slider. As the number of punching cycles increases, there is wear between the lead screw and the slider, which leads to lateral forces in the up-and-down motion affecting the punching accuracy.

[0007] To solve the above-mentioned technical problems, this utility model provides a slide rail for a high-precision servo CNC punch press with a double-link elbow, comprising: a punching table, a punch press body, a punching device, a slider, and a slide groove; The punch press body is located on the top of the punching table. Two slide grooves are respectively opened on both sides of the inner cavity wall of the punch press body. A lead screw is rotatably installed inside the slide groove. The slider is threadedly engaged with the outer surface of the lead screw. The punching equipment is fixedly connected to the surface of the slider. The limiting grooves are respectively opened on the other two sides inside the punch press body. Connecting blocks are fixedly installed on both sides of the front of the punching equipment. A limiting block is fixedly connected to one side of the connecting block. An opening groove is opened in the middle of one side of the limiting block. Rollers are rotatably installed on both the front and rear sides inside the opening groove.

[0008] Preferably, a threaded hole is provided in the middle of the bottom of the slider.

[0009] Preferably, a support base is fixedly installed at the bottom of the stamping table.

[0010] Preferably, the roller is fitted to the inner wall surface of the limiting groove.

[0011] Preferably, one side of the inner wall of the slot is connected to a movable groove, and a reciprocating screw is rotatably installed inside the movable groove, with an adjusting block fixedly installed at one end of the reciprocating screw.

[0012] Preferably, threaded blocks are threaded on both sides of the outer surface of the reciprocating lead screw, and a connecting box is fixedly installed on one side of the threaded blocks.

[0013] Preferably, the roller is rotatably mounted in the middle of one side of the connecting box.

[0014] Compared with related technologies, the slide rail of the toggle-joint double-link high-precision servo CNC punching machine provided by this utility model has the following beneficial effects: This utility model provides a slide rail for a high-precision servo CNC punch press with a toggle-joint double linkage. By adding rollers to the surface of the punching equipment and allowing them to slide up and down inside the limiting groove, the double constraint of the lead screw and rollers maintains the accuracy of the punching equipment sliding on the slide rail surface. This avoids the wear of the lead screw affecting the up and down movement of the punching equipment and the lateral force that affects the punching accuracy, thus meeting the processing requirements of precision parts and improving the practicality of the device. Attached Figure Description

[0015] Figure 1 A schematic diagram of the first embodiment of the slide rail of a high-precision servo CNC punch press with a double-link elbow provided by this utility model; Figure 2 for Figure 1 The enlarged schematic diagram at point A is shown below; Figure 3 for Figure 1 The enlarged schematic diagram at point B is shown below; Figure 4A schematic diagram of the second embodiment of the slide rail of a high-precision servo CNC punch press with a double-link elbow provided by this utility model; Figure 5 for Figure 4 The enlarged schematic diagram at point C is shown.

[0016] The following are the labels in the diagram: 1. Pressing table, 2. Support base, 3. Press body, 4. Pressing equipment, 5. Slider, 6. Threaded hole, 7. Slide groove, 8. Lead screw, 9. Connecting block, 10. Limiting block, 11. Slot, 12. Roller, 13. Limiting groove, 14. Moving groove, 15. Reciprocating lead screw, 16. Adjusting block, 17. Threaded block, 18. Connecting box. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0018] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the first embodiment of the slide rail of a high-precision servo CNC punch press with a double-link elbow provided by this utility model; Figure 2 for Figure 1 The enlarged schematic diagram at point A is shown below; Figure 3 for Figure 1 The enlarged schematic diagram at point B is shown. A slide rail for a high-precision servo CNC punch press with a toggle joint double linkage includes: a punching table 1, a punch press body 3, a punching device 4, a slider 5, and a slide groove 7; The punch press body 3 is disposed on the top of the punching table 1. Two slide grooves 7 are respectively opened on both sides of the inner cavity wall of the punch press body 3. A lead screw 8 is rotatably installed inside the slide groove 7. The slider 5 is threadedly engaged with the outer surface of the lead screw 8. The punching device 4 is fixedly connected to the surface of the slider 5. Limiting grooves 13, two limiting grooves 13 are respectively opened on the other two sides inside the punch press body 3. Connecting blocks 9 are fixedly installed on both sides of the front of the punching equipment 4. A limiting block 10 is fixedly connected to one side of the connecting block 9. An opening groove 11 is opened in the middle of one side of the limiting block 10. Rollers 12 are rotatably installed on both the front and rear sides inside the opening groove 11.

[0019] A threaded hole 6 is provided in the middle of the bottom of the slider 5.

[0020] A support base 2 is fixedly installed at the bottom of the stamping table 1.

[0021] The roller 12 is attached to the inner wall surface of the limiting groove 13.

[0022] The lead screw 8 is controlled to rotate via the output shaft of a servo motor, which is existing technology.

[0023] The working principle of the slide rail of the toggle-joint double-link high-precision servo CNC punch press provided by this utility model is as follows: During operation, the lead screw 8 rotates alternately in both directions to engage the threaded hole 6 of the slider 5. The slider 5 drives the stamping equipment 4 to move up and down reciprocally. At the same time, the stamping equipment 4 moves together with the connecting block 9 and the limiting block 10. The limiting block 10 slides on the inner wall surface of the limiting groove 13 through two rollers 12, so that the connecting block 9 and the limiting block 10 slide up and down reciprocally inside the limiting groove 13, thereby improving the accuracy of the movement of the stamping equipment 4.

[0024] Compared with related technologies, the slide rail of the toggle-joint double-link high-precision servo CNC punching machine provided by this utility model has the following beneficial effects: This utility model provides a slide rail for a high-precision servo CNC punch press with a toggle-joint double linkage. By adding rollers 12 to the surface of the punching equipment 4 and allowing them to slide up and down inside the limiting groove 13, the double constraint of the lead screw 8 and rollers 12 maintains the accuracy of the punching equipment 4 sliding on the slide rail surface. This avoids the wear of the lead screw 8 affecting the up and down movement of the punching equipment 4 and causing lateral forces that affect the punching accuracy, thus meeting the processing requirements of precision parts and improving the practicality of the device. Example

[0025] Please refer to the following: Figure 4 and Figure 5 Based on the first embodiment of this application, which provides a slide rail for a high-precision servo CNC punch press with a toggle-joint double-linkage mechanism, the second embodiment of this application proposes another slide rail for the same high-precision servo CNC punch press. The second embodiment is merely a preferred embodiment of the first embodiment, and its implementation will not affect the independent implementation of the first embodiment.

[0026] Specifically, the difference in the slide rail of the high-precision servo CNC punching machine provided in the second embodiment of this application is that, in the slide rail of the high-precision servo CNC punching machine with toggle double linkage, one side of the inner wall of the slot 11 is connected to a moving groove 14, a reciprocating lead screw 15 is rotatably installed inside the moving groove 14, and an adjusting block 16 is fixedly installed at one end of the reciprocating lead screw 15.

[0027] Both sides of the outer surface of the reciprocating lead screw 15 are threaded with threaded blocks 17, and a connecting box 18 is fixedly installed on one side of the threaded block 17.

[0028] The roller 12 is rotatably mounted in the middle of one side of the connecting box 18.

[0029] The working principle of the slide rail of the toggle-joint double-link high-precision servo CNC punch press provided by this utility model is as follows: During operation, first rotate the adjusting block 16, which drives the reciprocating screw 15 to rotate. The reciprocating screw 15 rotates and engages the threaded blocks 17 on both sides of the outer surface. As the reciprocating screw 15 rotates, the two threaded blocks 17 can move closer or further away from each other inside the moving groove 14, thereby adjusting the distance between the two connecting boxes 18 and thus adjusting the distance between the two rollers 12.

[0030] Compared with related technologies, the slide rail of the toggle-joint double-link high-precision servo CNC punching machine provided by this utility model has the following beneficial effects: This utility model provides a slide rail for a high-precision servo CNC punch press with a toggle-joint double linkage. By rotating the reciprocating screw 15, the screw engages with two threaded blocks 17 on the outer surface, driving the connecting box 18 to move. The distance between the two rollers 12 can be adjusted according to the distance of the limiting groove 13. This device has a simple structure and strong practicality. After wear occurs between the rollers 12 and the limiting groove 13, the distance between the two rollers 12 can be adjusted so that the rollers 12 keep in contact with the inner wall surface of the limiting groove 13, improving the accuracy of the track sliding.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A slide rail of a toggle double link high precision servo numerical control punch press, characterized in that, include: Pressing table, press body, stamping equipment, slide block and slide rail; The punch press body is located on the top of the punching table. Two slide grooves are respectively opened on both sides of the inner cavity wall of the punch press body. A lead screw is rotatably installed inside the slide groove. The slider is threadedly engaged with the outer surface of the lead screw. The punching equipment is fixedly connected to the surface of the slider. The limiting grooves are respectively opened on the other two sides inside the punch press body. Connecting blocks are fixedly installed on both sides of the front of the punching equipment. A limiting block is fixedly connected to one side of the connecting block. An opening groove is opened in the middle of one side of the limiting block. Rollers are rotatably installed on both the front and rear sides inside the opening groove.

2. The slide rail of the toggle double-link high-precision servo numerical control punch press according to claim 1, characterized in that, A threaded hole is provided in the middle of the bottom of the slider.

3. The slide rail of the toggle double-link high-precision servo numerical control punch press according to claim 1, characterized in that, A support base is fixedly installed at the bottom of the stamping table.

4. The slide rail of a high-precision servo CNC punch press with a toggle joint and double linkage according to claim 1, characterized in that, The roller is attached to the inner wall surface of the limiting groove.

5. The slide rail of a high-precision servo CNC punch press with a toggle joint and double linkage according to claim 1, characterized in that, One side of the inner wall of the slot is connected to a movable groove, and a reciprocating screw is rotatably installed inside the movable groove. An adjusting block is fixedly installed at one end of the reciprocating screw.

6. The slide rail of a high-precision servo CNC punch press with a toggle joint and double linkage according to claim 5, characterized in that, Both sides of the outer surface of the reciprocating lead screw are threaded with threaded blocks, and a connecting box is fixedly installed on one side of the threaded blocks.

7. The slide rail of a high-precision servo CNC punch press with a toggle joint and double linkage according to claim 6, characterized in that, The roller is rotatably mounted in the middle of one side of the connecting box.