PCB (Printed Circuit Board) control panel screw driving protection tool
By designing a screw-driving protective fixture for PCB control boards, using a fixed pressure plate and guide posts to protect the screw area, the problem of screw splashing is solved, improving safety and practicality, and adapting to the screw-driving needs of different PCB control boards.
Patent Information
- Application Number
- CN202423184448.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-24
AI Technical Summary
During the screwing process on the PCB control board, screws are prone to flying, affecting safety and damaging other components, thus reducing practicality.
A screw-driving protective fixture for PCB control boards was designed, comprising a fixed pressure plate, guide posts, and an adjustment assembly. The fixed pressure plate clamps the PCB control board, and the guide posts protect the screw area. The position of the guide posts can be adjusted to accommodate different screw-driving areas.
It effectively prevents screws from flying, improves the safety and practicality of screwing on PCB control boards, adapts to the changes in screwing positions on different PCB control boards, and enhances applicability.
Smart Images

Figure CN223544588U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screw driving technology, specifically a protective tool for screw driving on a PCB control board. Background Technology
[0002] A PCB control board, also known as a printed circuit board, is an important electronic component. It serves as the support for electronic components and the carrier for their electrical interconnections. During the manufacturing or assembly of a PCB control board, screw-driving equipment is required for its assembly and fixation.
[0003] When using screws to assemble the PCB control board with other structures, screws may fly off, which can affect the personal safety of on-site personnel and cause damage to other components, thus reducing the practicality of screwing the PCB control board. Utility Model Content
[0004] The purpose of this utility model is to provide a protective tooling for screwing PCB control boards, so as to solve the problem of poor safety when screwing PCB control boards in the existing technology.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a PCB control board screw-driving protective fixture, comprising a platform, a fixed pressure plate disposed on the upper part of the platform, the fixed pressure plate comprising a frame plate, a first bidirectional screw rotatably connected to the inner wall of the frame plate, two movable frames threadedly sleeved on the outer side of the first bidirectional screw, the movable frames slidably connected to the inside of the frame plate, two guide blocks slidably connected on the movable frames, a guide post fixedly connected to one side of the guide blocks, an adjustment component for driving the guide post to move on the movable frames, a first rocker plate fixedly connected to the end of the first bidirectional screw, two external threads arranged in a mirror symmetrical manner on the outer side of the first bidirectional screw, and the two movable frames respectively threadedly sleeved on the two external threads on the first bidirectional screw.
[0006] Preferably, the movable frame includes two sliders, and a movable rod is fixedly connected between the two sliders. The left slider is threaded onto the outside of the first bidirectional screw, and the guide block is slidably sleeved onto the outside of the movable rod. The adjusting assembly includes a second bidirectional screw, which is rotatably connected between the two sliders. A through threaded hole is provided on one side of the guide block, and the guide block is threaded onto the outside of the second bidirectional screw through the threaded hole. Two external threads are provided on the outside of the second bidirectional screw in a mirror-symmetrical arrangement. The two guide blocks on the movable frame are respectively threaded onto the two external threads on the second bidirectional screw.
[0007] Preferably, a connecting rod is rotatably connected to both sides of the frame plate, a sleeve is slidably fitted on the outer side of the connecting rod, a fixing frame is rotatably fitted on the outer side of the sleeve, two fixing frames are respectively fixedly connected to the opposite side of the two corresponding sliders, a bevel gear is fixedly fitted on one end of the two sleeves and the opposite end of the two second bidirectional screws, two adjacent bevel gears are meshed with each other, a second rocker plate is fixedly connected to the end of the connecting rod, the vertical cross section of the connecting rod is a hexagonal structure, and a through hexagonal cavity is opened at one end of the sleeve.
[0008] Preferably, a support frame is installed on one side of the platform, and a press detection sensor and a manual press are installed on the upper part of the support frame. A pin press head is installed at the bottom of the manual press.
[0009] Preferably, wiper handle contour carriers are provided on both sides of the fixed pressure plate, and a press-fit position sensor and an in-situ sensor are provided on the platform.
[0010] Preferably, a third bidirectional screw is rotatably connected inside the frame plate, and the sliders on the right side of the two movable frames are threaded onto the outside of the third bidirectional screw through threaded holes. The ends of the first bidirectional screw and the third bidirectional screw are fixedly connected to pulleys, and a conveyor belt is connected between the two pulleys. The outside of the third bidirectional screw is provided with two external threads arranged in a mirror symmetrical manner, and the two guide blocks on the two rows of movable frames are respectively threaded onto the two external threads on the third bidirectional screw.
[0011] Preferably, each of the two sliders on the movable frame has a notch on one side opposite to the other, and a stabilizing rod is slidably connected in the notch, with the stabilizing rod fixedly connected to the inner wall of the movable frame.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This application sets up a fixed pressure plate, which presses against the PCB control board. At the same time, the guide posts on the fixed pressure plate correspond to the large screw area of the PCB control board. The guide posts are sleeved around the screw-driving area, forming a protective ring, thus preventing screws from flying. Therefore, it effectively improves the safety and practicality of screwing the PCB control board.
[0014] 2. By setting a first bidirectional screw and a second bidirectional screw, the position of the guide post can be adjusted according to the screwing area when the position of the screwing area changes due to different PCB control boards, thus effectively improving the applicability of the PCB control board screwing protection fixture. Attached Figure Description
[0015] Figure 1This is a three-dimensional schematic diagram of the PCB control board screw-driving protective fixture of this utility model;
[0016] Figure 2 This is a three-dimensional schematic diagram of the fixing pressure plate of a PCB control board screw-driving protective fixture according to the present invention.
[0017] Figure 3 This is a three-dimensional schematic diagram of the first bidirectional screw, the second bidirectional screw, and the third bidirectional screw of the PCB control board screw-driving protective fixture of this utility model.
[0018] Figure 4 This is a three-dimensional schematic diagram of the cooperation between the second bidirectional screw and the connecting rod of the PCB control board screw-driving protective fixture of this utility model;
[0019] Figure 5 This is a three-dimensional schematic diagram of the cooperation between the movable frame and the connecting rod of the PCB control board screw-driving protective fixture of this utility model.
[0020] Labels in the diagram: 1. Platform; 2. Fixed pressure plate; 201. Frame plate; 202. Guide column; 3. First bidirectional screw; 4. Moving frame; 401. Slider; 402. Moving rod; 5. Connecting rod; 6. Second bidirectional screw; 7. Fixed frame; 8. Bevel gear; 9. Sleeve; 10. Support frame; 11. Pressing detection sensor; 12. Manual press; 13. Pin shaft pressure head; 14. Wiper handle contour carrier; 15. Pressing position sensor; 16. In-situ sensor; 17. Third bidirectional screw; 18. Conveyor belt. Detailed Implementation
[0021] 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.
[0022] Example: Figure 1 - Figure 5As shown, this utility model provides a technical solution for a PCB control board screw-driving protective fixture, including a platform 1, a fixed pressure plate 2 on the upper part of the platform 1, the fixed pressure plate 2 including a frame plate 201, a first bidirectional screw 3 rotatably connected to the inner wall of the frame plate 201, two movable frames 4 threaded on the outer side of the first bidirectional screw 3, the movable frames 4 slidably connected to the inside of the frame plate 201, two guide blocks slidably connected on the movable frames 4, a guide post 202 fixedly connected to one side of the guide block, an adjustment component for driving the guide post 202 to move on the movable frames 4, a first rocker plate fixedly connected to the end of the first bidirectional screw 3, two external threads arranged in a mirror symmetrical arrangement on the outer side of the first bidirectional screw 3, and the two movable frames 4 respectively threaded on the two external threads on the first bidirectional screw 3;
[0023] The fixed pressure plate 2 is pressed onto the surface of the PCB control board, and then the position of the guide post 202 is adjusted so that the guide post 202 is aligned with the screw-driving area on the PCB control board. By rotating the first bidirectional screw 3, the first bidirectional screw 3 drives the two moving frames 4 to move axially toward the first bidirectional screw 3, and the two moving frames 4 move closer or further away from each other, thereby adjusting the position of the guide post 202.
[0024] like Figure 1 - Figure 5 As shown, the movable frame 4 includes two sliders 401, and a movable rod 402 is fixedly connected between the two sliders 401. The left slider 401 is threaded onto the outside of the first bidirectional screw 3, and the guide block is slidably sleeved on the outside of the movable rod 402. The adjustment assembly includes a second bidirectional screw 6, which is rotatably connected between the two sliders 401. A through threaded hole is provided on one side of the guide block, and the guide block is threaded onto the outside of the second bidirectional screw 6 through the threaded hole. Two external threads are provided on the outside of the second bidirectional screw 6 in a mirror-symmetrical arrangement. The two guide blocks on the movable frame 4 are respectively threaded onto the two external threads on the second bidirectional screw 6.
[0025] By rotating the second bidirectional screw 6, the second bidirectional screw 6 drives the two corresponding guide posts 202 to move axially toward the second bidirectional screw 6, and makes the two guide posts 202 move closer or further away from each other; the second bidirectional screw 6 and the first bidirectional screw 3 are set perpendicular to each other.
[0026] like Figure 2 - Figure 5As shown, connecting rods 5 are rotatably connected to both sides of the frame plate 201. A sleeve 9 is slidably sleeved on the outside of the connecting rod 5. A fixing frame 7 is rotatably sleeved on the outside of the sleeve 9. The two fixing frames 7 are respectively fixedly connected to the opposite side of the two corresponding sliders 401. A bevel gear 8 is fixedly sleeved on one end of the two sleeves 9 and the opposite end of the two second bidirectional screws 6. The two adjacent bevel gears 8 are meshed with each other. A second rocker plate is fixedly connected to the end of the connecting rod 5. The vertical cross section of the connecting rod 5 is a hexagonal structure. A through hexagonal cavity is opened at one end of the sleeve 9.
[0027] By rotating one of the connecting rods 5, the connecting rod 5 drives the sleeve 9 to rotate, and the sleeve 9 drives the corresponding second bidirectional screw 6 to rotate using the corresponding two bevel gears 8.
[0028] like Figure 1 As shown, a support frame 10 is installed on one side of the platform 1. A press detection sensor 11 and a manual press 12 are installed on the upper part of the support frame 10. A pin press head 13 is installed at the bottom of the manual press 12.
[0029] like Figure 1 As shown, wiper handle contour carriers 14 are provided on both sides of the fixed pressure plate 2, and a press-fit position sensor 15 and an in-situ sensor 16 are provided on the platform 1.
[0030] like Figure 1 - Figure 5 As shown, a third bidirectional screw 17 is rotatably connected inside the frame plate 201. The sliders 401 on the right side of the two movable frames 4 are threaded onto the outside of the third bidirectional screw 17 through threaded holes. The ends of the first bidirectional screw 3 and the third bidirectional screw 17 are fixedly connected to pulleys. A conveyor belt 18 is connected between the two pulleys. Two external threads are provided on the outside of the third bidirectional screw 17 in a mirror-symmetrical arrangement. The two guide blocks on the two movable frames 4 are respectively threaded onto the two external threads on the third bidirectional screw 17.
[0031] The third bidirectional screw 17 is arranged parallel to the first bidirectional screw 3. By using the cooperation of the third bidirectional screw 17 and the first bidirectional screw 3, the stability of the moving frame 4 can be improved.
[0032] like Figure 1 - Figure 5 As shown, notches are provided on the opposite sides of the two sliders 401 on the movable frame 4, and a stabilizing rod is slidably connected in the notch. The stabilizing rod is fixedly connected to the inner wall of the movable frame 4.
[0033] By utilizing the cooperation between the stabilizer bar and the notch cavity, the stability of the moving frame 4 on the frame plate 201 is improved.
[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A screw-driving protective fixture for a PCB control board, comprising a platform (1), wherein a fixing plate (2) is provided on the upper part of the platform (1), characterized in that: The fixed pressure plate (2) includes a frame plate (201). A first bidirectional screw (3) is rotatably connected to the inner wall of the frame plate (201). Two movable frames (4) are threaded on the outer side of the first bidirectional screw (3). The movable frames (4) are slidably connected inside the frame plate (201). Two guide blocks are slidably connected on the movable frames (4). A guide post (202) is fixedly connected to one side of the guide block. An adjustment component that drives the guide post (202) to move is provided on the movable frames (4).
2. The PCB control board screw-driving protective fixture according to claim 1, characterized in that: The movable frame (4) includes two sliders (401), and a movable rod (402) is fixedly connected between the two sliders (401). The slider (401) on the left is threaded onto the outside of the first bidirectional screw (3), and the guide block is slidably sleeved on the outside of the movable rod (402). The adjustment assembly includes a second bidirectional screw (6), which is rotatably connected between the two sliders (401). A through threaded hole is provided on one side of the guide block, and the guide block is threaded onto the outside of the second bidirectional screw (6) through the threaded hole.
3. The PCB control board screw-driving protective fixture according to claim 2, characterized in that: Both sides of the frame plate (201) are rotatably connected to connecting rods (5). A sleeve (9) is slidably sleeved on the outside of the connecting rod (5). A fixing frame (7) is rotatably sleeved on the outside of the sleeve (9). The two fixing frames (7) are respectively fixedly connected to the opposite side of the corresponding two sliders (401). A bevel gear (8) is fixedly sleeved on one end of the two sleeves (9) and the opposite end of the two second bidirectional screws (6). The two adjacent bevel gears (8) are meshed with each other.
4. The PCB control board screw-driving protective fixture according to claim 3, characterized in that: A support frame (10) is installed on one side of the platform (1). A press detection sensor (11) and a manual press (12) are installed on the upper part of the support frame (10). A pin press head (13) is installed at the bottom of the manual press (12).
5. The PCB control board screw-driving protective fixture according to claim 4, characterized in that: Both sides of the fixed pressure plate (2) are provided with wiper handle contour carriers (14), and the platform (1) is provided with a press-fit position sensor (15) and an in-situ sensor (16).
6. The PCB control board screw-driving protective fixture according to claim 1, characterized in that: The frame plate (201) is rotatably connected to a third bidirectional screw (17). The sliders (401) on the right side of the two movable frames (4) are threaded onto the outside of the third bidirectional screw (17) through threaded holes. The ends of the first bidirectional screw (3) and the third bidirectional screw (17) are fixedly connected to pulleys, and a conveyor belt (18) is connected between the two pulleys.
7. The PCB control board screw-driving protective fixture according to claim 1, characterized in that: The two sliders (401) on the movable frame (4) each have a notch on one side opposite to each other. A stabilizing rod is slidably connected in the notch and is fixedly connected to the inner wall of the movable frame (4).