Rotary clamping and moving mechanism of clamp for automatically sharpening tungsten needle

Through the automatic tungsten needle sharpening clamping and moving mechanism, the complex operation and inefficiency of tungsten needles are solved, and efficient and accurate tungsten needle processing is achieved. It is suitable for the processing of a variety of metal needles, improving the production efficiency and product quality of electronic equipment manufacturing.

CN120480802APending Publication Date: 2025-08-15SAFU ENVIRONMENTAL PROTECTION TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202510932946.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-08
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

Traditional tungsten needles are complex in operation and inefficient, making it difficult to ensure accuracy.

Method used

The automatic tungsten needle sharpening clamping and moving mechanism is adopted. Through the coordinated design of the first, second and third screw transmissions and synchronous belt transmission, the up and down, left and right movements of the tungsten needle are realized, and the ball bearing positioning and axial clamping of the bushing ensure machining stability.

Benefits of technology

It realizes the automated operation of tungsten needles, improves processing efficiency, ensures processing accuracy and surface quality, reduces artificial errors, and is suitable for the processing of a variety of metal needles, covering electronic equipment manufacturing and other fields.

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Abstract

The invention discloses a clamp rotary clamping and moving mechanism for automatic tungsten needle sharpening, and belongs to the technical field of electronic equipment manufacturing. A clamp rotary clamping and moving mechanism for automatic tungsten needle sharpening comprises an equipment shell provided with a tungsten needle and further comprises a first screw rotationally connected to the inner wall of one side of the equipment shell, the first screw is in threaded connection with a sliding block, one side of the sliding block is fixedly connected with a guide groove plate, and a lifting block is slidably connected into the guide groove plate; according to the clamp rotary clamping and moving mechanism for automatically sharpening the tungsten needle, through the collaborative design of first, second and third screw transmission, a guide structure and synchronous belt transmission, precise regulation and control of up-and-down and left-and-right movement and rotating actions of the tungsten needle can be achieved, it is ensured that the movement track is stable, and deviation and vibration are eradicated; the tungsten needle is connected through a key, is positioned through a ball bearing and is matched with the axial clamping of the bushing, so that the machining coaxiality is ensured, eccentricity and deformation are avoided, and the dimensional precision and the surface quality of working procedures such as sharpening are more stable.
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Description

Technical Field

[0001] The invention relates to the technical field of electronic equipment manufacturing, in particular to a fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening. Background Art

[0002] Tungsten needle is a slender product made of pure tungsten or tungsten alloy. With the characteristics of tungsten itself, such as high melting point (3410℃), high hardness, excellent conductivity, strong chemical stability, and non-toxic and environmentally friendly, it plays an important role in many fields: in the medical field, it can be used as a component of surgical electrocoagulation for hemostasis and cutting, and can also be used for puncture sampling and neuroelectrophysiological diagnosis; in the welding field, it is the core non-melting electrode of argon arc welding, which can stably conduct current to generate arc, and is also suitable for micro-welding in resistance welding. With the advancement of science and technology, tungsten needles are increasingly used in processing, welding and other fields.

[0003] However, traditional tungsten needle manipulation relies heavily on manual labor, resulting in complex operations, low efficiency, and difficulty ensuring precision. Therefore, developing a mechanical device that can automatically rotate, clamp, and move the tungsten needle is crucial for improving production efficiency and reducing operational complexity. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems of complex operation and low efficiency of tungsten needles in the prior art, and to propose a fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening includes an equipment housing provided with a tungsten needle, and also includes a first screw rotatably connected to the inner wall of one side of the equipment housing, a sliding block is threadedly connected to the first screw, one side of the sliding block is fixedly connected to a guide groove plate, a lifting block is slidably connected in the guide groove plate, the tungsten needle is fixedly arranged on one side of the lifting block, one side of the guide groove plate is rotatably connected to a second screw, and the second screw is threadedly connected to the lifting block.

[0007] Preferably, an L-shaped mounting plate is fixedly connected to the inner wall of one side of the device housing, the first screw is rotatably connected in the L-shaped mounting plate, a first stepper motor is fixedly installed on the top of the L-shaped mounting plate, and a first synchronous belt is transmission-connected between one end of the first screw and the output end of the first stepper motor.

[0008] Preferably, a second stepper motor is fixedly installed on one side of the guide groove plate, a second synchronous belt is transmission-connected between the output end of the second stepper motor and the second screw, a bearing seat is fixedly connected to the bottom of the guide groove plate, and the second screw is rotatably connected to the bearing seat.

[0009] Preferably, an L-shaped connecting plate is fixedly connected to one side of the lifting block, an extension plate is fixedly connected to one side of the L-shaped connecting plate, and a rotating base is fixedly installed on the top of the extension plate.

[0010] Preferably, a third stepper motor is fixedly mounted on the top of one side of the extension plate, and an output end of the third stepper motor extends to the bottom of the extension plate and is rotatably connected to the extension plate.

[0011] Preferably, a pulley is installed at the bottom of the rotating base, the pulley of the rotating base is transmission-connected to the output end of the third stepping motor via a third synchronous belt, and four guide columns are symmetrically connected to the top of the rotating base.

[0012] Preferably, the tops of the four guide posts are fixedly connected to a top seat, the four guide posts are slidably connected to bushings, ball bearings are fixedly installed in the bushings, and a mounting ring is installed on the top of the top seat.

[0013] Preferably, the tungsten needle is connected to the mounting ring through a key, and the tungsten needle passes through the mounting ring, the top seat, the rotating base, the extension plate, and is mounted on the ball bearing.

[0014] Preferably, a fourth motor is fixedly mounted on the extension plate, the output end of the fourth motor extends to the bottom of the extension plate, a third screw is rotatably mounted on the extension plate, the bottom end of the third screw extends to the bottom of the extension plate, and a fourth synchronous belt is transmission-connected between the third screw and the output end of the fourth motor.

[0015] Preferably, the bushing is threadedly connected to the third screw rod, a protrusion is provided on the L-shaped mounting plate, and a sliding groove corresponding to the protrusion is provided on the sliding block.

[0016] Compared with the prior art, the present invention provides a fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening, which has the following beneficial effects:

[0017] 1. The fixture's rotary clamping and moving mechanism for automatic tungsten needle sharpening utilizes a coordinated design of first, second, and third screw drives, a guide structure, and a synchronous belt drive to achieve precise control of the needle's vertical, horizontal, and rotational movements, ensuring a stable motion trajectory and eliminating offset and vibration. The needle is keyed, positioned by a ball bearing, and axially clamped by a bushing to ensure machining coaxiality, avoid eccentricity and deformation, and ensure more stable dimensional accuracy and surface quality during sharpening and other processes.

[0018] 2. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening adopts a drive system composed of multiple stepper motors and synchronous belts, which can replace manual operation and automatically complete the displacement, rotation and clamping of the tungsten needle, greatly improving processing efficiency. The transmission chain of the motor and screw is simple, and the movement speed and stroke can be accurately controlled by the program, which can flexibly adapt to different processing requirements and reduce labor costs and human errors.

[0019] 3. The rotating clamping and moving mechanism of the automatic tungsten needle sharpening fixture integrates the screw, synchronous belt, slide, guide column, bushing, and ball bearing in a compact space, with a regular layout and a clear mechanical transmission path; the raised slide and guide column provide a clear installation reference, reducing the difficulty of assembly; at the same time, the synchronous belt, screw and other components are easy to disassemble and repair, and the ball bearings and bushings in the vibration suppression design can reduce the risk of parts loosening, improve the equipment life and maintenance convenience, making the equipment not only suitable for tungsten needle sharpening, but also support the processing of metal needles such as steel and copper through structural reuse, covering multiple fields such as electronic equipment manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the rotary clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the structure inside the device housing of a rotating clamping and moving mechanism of an automatic tungsten needle sharpening fixture proposed by the present invention;

[0022] Figure 3 This is a structural diagram of the L-shaped mounting plate, lifting block, and second screw in the rotary clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention;

[0023] Figure 4 This is a structural diagram of the first screw, protrusion, extension plate, and guide groove plate in the rotating clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention;

[0024] Figure 5 This is a structural diagram of the L-shaped connecting plate, mounting ring, and bushing in the rotating clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention;

[0025] Figure 6 This is a structural diagram of the second screw, lifting block, guide groove plate, and sliding block in the rotary clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention;

[0026] Figure 7 This is a structural schematic diagram of the third screw, bushing, and third synchronous belt in the rotating clamping and moving mechanism of the fixture for automatic tungsten needle sharpening proposed by the present invention.

[0027] In the figure: 1. Equipment housing; 2. Tungsten needle; 3. First screw; 4. Sliding block; 5. Guide groove plate; 6. Lifting block; 7. Second screw; 8. L-shaped mounting plate; 9. First stepper motor; 10. First synchronous belt; 11. Second stepper motor; 12. Second synchronous belt; 13. Bearing seat; 14. L-shaped connecting plate; 15. Extension plate; 16. Rotating base; 17. Third stepper motor; 18. Third synchronous belt; 19. Guide column; 20. Top seat; 21. Bushing; 22. Ball bearing; 23. Mounting ring; 24. Third screw; 25. Fourth synchronous belt; 26. Protrusion; 27. Fourth motor. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0030] Example 1: Reference Figure 1-Figure 7 A rotating clamping and moving mechanism for automatic tungsten needle sharpening includes: a device housing 1 provided with a tungsten needle 2, and also includes: a first screw 3 rotatably connected to the inner wall of one side of the device housing 1, a sliding block 4 is threadedly connected to the first screw 3, one side of the sliding block 4 is fixedly connected to a guide groove plate 5, a lifting block 6 is slidably connected in the guide groove plate 5, the tungsten needle 2 is fixedly set on one side of the lifting block 6, one side of the guide groove plate 5 is rotatably connected to a second screw 7, the second screw 7 is threadedly connected to the lifting block 6, a protrusion 26 is provided on the L-shaped mounting plate 8, and a sliding groove corresponding to the protrusion 26 is provided on the sliding block 4.

[0031] In the present invention, by rotating the first screw 3, the sliding block 4 cooperates with the protrusion 26 on the L-shaped mounting plate 8 through the sliding groove on the surface to guide the sliding block 4, so that the sliding block 4 can slide horizontally, driving the guide groove plate 5 to slide stably. By rotating the second screw 7 on the guide groove plate 5, the lifting block 6 can slide up and down on the guide groove plate 5, thereby driving the tungsten needle 2 to move up and down. The up and down, left and right movements of the tungsten needle 2 are achieved through a precise mechanical structure, which can ensure that the tungsten needle 2 remains stable during the movement and avoids damage, and can meet the requirements of different movement speeds and directions. It should be noted that a vertical groove corresponding to the lifting block 6 is provided on the guide groove plate 5. The purpose is to enable the lifting block 6 to stably move up and down when the second screw 7 rotates, thereby realizing precise transmission.

[0032] Example 2: Reference Figure 2-Figure 6 The lifting block 6 is fixedly connected to the guide groove plate 5 on one side of the guide groove plate 5, and the lifting block 6 is slidably connected to the guide groove plate 5. The tungsten needle 2 is fixedly arranged on one side of the lifting block 6, and the guide groove plate 5 is rotatably connected to the second screw rod 7. The second screw rod 7 is threadedly connected to the lifting block 6. The L-shaped mounting plate 8 is provided with a protrusion 26, and the sliding block 4 is provided with a slide groove corresponding to the protrusion 26. The L-shaped mounting plate 8 is fixedly connected to the inner wall of one side of the device housing 1. The first screw 3 is rotatably connected to the L-shaped mounting plate 8, and a first stepper motor 9 is fixedly installed on the top of the L-shaped mounting plate 8. A first synchronous belt 10 is transmission-connected between one end of the first screw 3 and the output end of the first stepper motor 9.

[0033] A second stepper motor 11 is fixedly mounted on one side of the guide channel plate 5. A second synchronous belt 12 is transmission-connected between the output end of the second stepper motor 11 and the second screw 7. A bearing seat 13 is fixedly connected to the bottom of the guide channel plate 5, and the second screw 7 is rotatably connected to the bearing seat 13. In the present invention, by starting the first stepper motor 9, and then through the first synchronous belt 10, the first screw 3 can be driven to rotate stably. By starting the second stepper motor 11, and then through the second synchronous belt 12, the second screw 7 can be driven to rotate stably. Through the rotation of the first screw 3 and the second screw 7, the tungsten needle 2 can be stably displaced up and down and left and right.

[0034] An L-shaped connecting plate 14 is fixedly connected to one side of the lifting block 6 , an extension plate 15 is fixedly connected to one side of the L-shaped connecting plate 14 , and a rotating base 16 is fixedly installed on the top of the extension plate 15 .

[0035] A third stepper motor 17 is fixedly mounted on the top of one side of the extension plate 15 . The output end of the third stepper motor 17 extends to the bottom of the extension plate 15 and is rotatably connected to the extension plate 15 .

[0036] A pulley is installed at the bottom of the rotating base 16 , and the pulley of the rotating base 16 and the output end of the third stepping motor 17 are drivingly connected via a third synchronous belt 18 .

[0037] In the present invention, a rotating seat matching the tungsten needle 2 is installed in the pulley at the bottom of the rotating base 16. By starting the third stepping motor 17 and cooperating with the third synchronous belt 18, the rotating seat can be driven to rotate, thereby driving the tungsten needle 2 to rotate. The design of cooperating with the rotation of the first screw 3 and the second screw 7 to move the tungsten needle 2 up, down, left and right takes high precision and high stability into consideration, ensures the accuracy and reliability of the processing process, reduces labor costs, and improves the consistency of product quality. The mechanism is reasonably designed, compact in structure, easy to maintain and service, and has broad application prospects. It can be applied to various electronic equipment manufacturing fields that require automatic sharpening of tungsten electrodes, steel, copper and other metal needles.

[0038] Example 3: Reference Figure 2-Figure 7 , a fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening, comprising: a device housing 1 provided with a tungsten needle 2, and also comprising: a first screw 3 rotatably connected to the inner wall of one side of the device housing 1, the first screw 3 is threadedly connected to a sliding block 4, one side of the sliding block 4 is fixedly connected to a guide groove plate 5, and a lifting block 6 is slidably connected in the guide groove plate 5, the tungsten needle 2 is fixedly set on one side of the lifting block 6, one side of the guide groove plate 5 is rotatably connected to a second screw 7, the second screw 7 is threadedly connected to the lifting block 6, a protrusion 26 is provided on the L-shaped mounting plate 8, and a sliding groove corresponding to the protrusion 26 is provided on the sliding block 4, four guide columns 19 are symmetrically connected to the top of the rotating base 16, the top of the four guide columns 19 is fixedly connected to a top seat 20, the four guide columns 19 are slidably connected to a bushing 21, a ball bearing 22 is fixedly installed in the bushing 21, and a mounting ring 23 is provided on the top of the top seat 20.

[0039] A second stepper motor 11 is fixedly mounted on one side of the guide channel plate 5. A second synchronous belt 12 is transmission-connected between the output end of the second stepper motor 11 and the second screw 7. A bearing seat 13 is fixedly connected to the bottom of the guide channel plate 5, and the second screw 7 is rotatably connected to the bearing seat 13. In the present invention, by starting the first stepper motor 9, and then through the first synchronous belt 10, the first screw 3 can be driven to rotate stably. By starting the second stepper motor 11, and then through the second synchronous belt 12, the second screw 7 can be driven to rotate stably. Through the rotation of the first screw 3 and the second screw 7, the tungsten needle 2 can be stably displaced up and down and left and right.

[0040] An L-shaped connecting plate 14 is fixedly connected to one side of the lifting block 6 , an extension plate 15 is fixedly connected to one side of the L-shaped connecting plate 14 , and a rotating base 16 is fixedly installed on the top of the extension plate 15 .

[0041] A third stepper motor 17 is fixedly mounted on the top of one side of the extension plate 15 . The output end of the third stepper motor 17 extends to the bottom of the extension plate 15 and is rotatably connected to the extension plate 15 .

[0042] A pulley is installed at the bottom of the rotating base 16 , and the pulley of the rotating base 16 and the output end of the third stepping motor 17 are drivingly connected via a third synchronous belt 18 .

[0043] The tungsten needle 2 is connected to the mounting ring 23 through a key. The tungsten needle 2 passes through the mounting ring 23 , the top seat 20 , the rotating base 16 , the extension plate 15 , and is mounted on the ball bearing 22 .

[0044] A fourth motor 27 is fixedly mounted on the extension plate 15, and the output end of the fourth motor 27 extends to the bottom of the extension plate 15. A third screw 24 is rotatably mounted on the extension plate 15, and the bottom end of the third screw 24 extends to the bottom of the extension plate 15, and a fourth synchronous belt 25 is transmission-connected between the third screw 24 and the output end of the fourth motor 27.

[0045] The bushing 21 is threadedly connected to the third screw rod 24 . The bushing 21 is threadedly connected to the third screw rod 24 .

[0046] In the present invention, the tungsten needle 2 is key-connected in the mounting ring 23 and installed in the ball bearing 22, and then the fourth motor 27 is started to control the rotation of the third screw 24, so that the bushing 21 slides up and down stably through the four guide columns 19. This can provide a clear installation reference for the installation of the tungsten needle 2, reduce the difficulty of assembly, and at the same time, during the operation of the equipment, the stability of the guide also reduces the risk of loosening of parts due to vibration, and at the same time makes the tungsten needle 2 better fixed, ensuring that the fixing force of the tungsten needle 2 is evenly applied along the axial direction of the tungsten needle 2, preventing the tungsten needle 2 from deformation or eccentricity during rotation.

[0047] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening, comprising: The device housing (1) provided with a tungsten needle (2) is characterized in that it further comprises: A first screw rod (3) is rotatably connected to an inner wall of one side of the device housing (1); a sliding block (4) is threadedly connected to the first screw rod (3); a guide groove plate (5) is fixedly connected to one side of the sliding block (4); a lifting block (6) is slidably connected inside the guide groove plate (5); the tungsten needle (2) is fixedly arranged on one side of the lifting block (6); a second screw rod (7) is rotatably connected to one side of the guide groove plate (5); and the second screw rod (7) is threadedly connected to the lifting block (6).

2. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 1 is characterized in that: An L-shaped mounting plate (8) is fixedly connected to an inner wall of one side of the device housing (1); the first screw rod (3) is rotatably connected in the L-shaped mounting plate (8); a first stepper motor (9) is fixedly installed on the top of the L-shaped mounting plate (8); and a first synchronous belt (10) is transmission-connected between one end of the first screw rod (3) and the output end of the first stepper motor (9).

3. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 1 is characterized in that: A second stepper motor (11) is fixedly mounted on one side of the guide groove plate (5); a second synchronous belt (12) is transmission-connected between the output end of the second stepper motor (11) and the second screw rod (7); a bearing seat (13) is fixedly connected to the bottom of the guide groove plate (5); and the second screw rod (7) is rotationally connected to the bearing seat (13).

4. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 1 is characterized in that: One side of the lifting block (6) is fixedly connected to an L-shaped connecting plate (14), one side of the L-shaped connecting plate (14) is fixedly connected to an extension plate (15), and a rotating base (16) is fixedly installed on the top of the extension plate (15).

5. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 4, characterized in that: A third stepper motor (17) is fixedly mounted on the top of one side of the extension plate (15), and an output end of the third stepper motor (17) extends to the bottom of the extension plate (15) and is rotatably connected to the extension plate (15).

6. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 5, characterized in that: A pulley is installed at the bottom of the rotating base (16), and the pulley of the rotating base (16) is connected to the output end of the third stepping motor (17) through a third synchronous belt (18). Four guide columns (19) are symmetrically connected to the top of the rotating base (16).

7. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 6, characterized in that: The tops of the four guide columns (19) are fixedly connected to a top seat (20), the four guide columns (19) are slidably connected to a bushing (21), a ball bearing (22) is fixedly installed in the bushing (21), and a mounting ring (23) is installed on the top of the top seat (20).

8. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 7, characterized in that: The tungsten needle (2) is connected to the mounting ring (23) through a key. The tungsten needle (2) passes through the mounting ring (23), the top seat (20), the rotating base (16), the extension plate (15), and is mounted on the ball bearing (22).

9. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 8, characterized in that: A fourth motor (27) is fixedly mounted on the extension plate (15), and an output end of the fourth motor (27) extends to the bottom of the extension plate (15). A third screw rod (24) is rotatably mounted on the extension plate (15), and a bottom end of the third screw rod (24) extends to the bottom of the extension plate (15). A fourth synchronous belt (25) is transmission-connected between the third screw rod (24) and the output end of the fourth motor (13).

10. The fixture rotation clamping and moving mechanism for automatic tungsten needle sharpening according to claim 9, characterized in that: The bushing (21) is threadedly connected to the third screw (24), a protrusion (26) is provided on the L-shaped mounting plate (8), and a sliding groove corresponding to the protrusion (26) is provided on the sliding block (4).