Circuit board cutting and fixing device
By designing a synchronous drive mechanism and adjusting screw, the high cost problem caused by multiple cylinders in the circuit board cutting and fixing device is solved, achieving rapid fixing and flexible adaptation, reducing hardware and maintenance costs, and improving the practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU DONGYI CNC CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-21
AI Technical Summary
Current circuit board cutting and fixing devices require at least two cylinders to drive the fixing plates on both sides to move synchronously, which increases hardware costs and maintenance and debugging costs.
A synchronous drive mechanism is adopted, in which a cylinder drives the two fixed clamping plates to move synchronously. By adjusting the screw and nut, the circuit boards of different widths can be adapted, reducing the number of cylinders and lowering hardware and maintenance costs.
This technology enables rapid mounting of circuit boards, reduces hardware and maintenance costs, and improves the adaptability to circuit boards of different widths, thereby enhancing the practicality and economy of the device.
Smart Images

Figure CN224144796U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting and fixing device technology, and in particular to a cutting and fixing device for circuit boards. Background Technology
[0002] With the rapid development of electronic technology and the continuous upgrading of various electronic products, the demand for circuit boards is increasing daily. As an indispensable key component in electronic devices, the quality and production efficiency of circuit boards directly affect the performance and cost of electronic products. In the circuit board production process, the cutting process is crucial, determining the final size and shape of the circuit board and directly impacting subsequent electronic component installation and product assembly. Furthermore, when cutting circuit boards using circuit board cutting equipment, a fixing device is needed to position the circuit board to be cut.
[0003] While current circuit board cutting and fixing devices on the market can use cylinders to drive the fixing plates on both sides to move down, thus quickly fixing the circuit board on both sides, this function requires at least two cylinders to drive the fixing plates on both sides to move synchronously. This not only increases the hardware cost of the device, but also increases the maintenance and debugging costs due to the multiple cylinders, thereby reducing the practicality of the cutting and fixing device. Utility Model Content
[0004] This utility model relates to a cutting and fixing device for circuit boards, which solves the problem that although the cutting and fixing devices for circuit boards on the market can use cylinders to drive the fixing plates on both sides to move down and quickly fix the two sides of the circuit board, this function requires at least two cylinders, which not only increases the hardware cost, but also brings hidden costs such as maintenance and debugging due to the multiple cylinders.
[0005] In a first aspect, this utility model provides a circuit board cutting and fixing device, specifically comprising: a cutting table, wherein a U-shaped support frame is fixedly installed on the upper surface of the cutting table, and a transverse movement mechanism is installed at the upper end inside the U-shaped support frame; the transverse movement mechanism includes a transverse slider, a transverse guide rod fixed to the upper end inside the U-shaped support frame is slidably connected to the transverse slider, and a cutting motor is installed at the bottom of the transverse slider, and a circular cutting blade is installed on the rotating shaft of the cutting motor; a support assembly and a synchronous drive mechanism are installed on the upper surface of the cutting table, and a fixing mechanism is provided on the upper part of both the left and right sides of the support assembly; the synchronous drive mechanism includes a cylinder, the cylinder is fixedly installed on the rear side of the middle part of the upper surface of the cutting table, and an I-shaped drive rod is fixedly installed at the upper end of the telescopic rod of the cylinder, and two sliding sleeves are slidably connected to the outside of the I-shaped drive rod in a left-right symmetrical manner.
[0006] Furthermore, the transverse movement mechanism also includes a transverse movement motor, which is installed on the upper part of the right end face of the U-shaped support frame. The rotating shaft of the transverse movement motor passes through the right side wall of the U-shaped support frame. A drive screw is fixedly installed on the left end of the rotating shaft of the transverse movement motor, and the left end of the drive screw is rotatably connected to the left side wall of the U-shaped support frame. The drive screw is connected to the transverse movement slider by a thread.
[0007] Furthermore, the support assembly includes two fixing plates, which are respectively fixedly installed on the left and right sides of the upper surface of the cutting table. Support guide rods are fixedly connected to the opposite surfaces of the two fixing plates, and two support frames are slidably connected to the outside of the support guide rods in a left-right symmetrical manner. Each support frame has a limit plate installed on its top surface, and each limit plate has two rectangular notches. An adjusting screw is rotatably connected between the two fixing plates. The adjusting screw has two reverse threads arranged in a left-right symmetrical manner on its outside, and two nuts are connected to the outside of the adjusting screw through the two reverse threads. The two nuts are respectively fixedly connected to the bottom surfaces of the two support frames.
[0008] Furthermore, each of the sliding sleeves has an I-shaped groove on its left end face, and the I-shaped groove is slidably connected to the I-shaped drive rod. Each sliding sleeve has a threaded thickening block on its rear end face, and each threaded thickening block has a fastening bolt connected to it by a thread.
[0009] Furthermore, when the fastening bolt is in the tightened state, the front end of the fastening bolt is in close contact with the rear side of the middle part of the I-shaped drive rod.
[0010] Furthermore, the fixing mechanism includes a fixing clamp plate, and four vertical guide rods penetrating the top of the support frame are fixedly connected to the bottom end of the fixing clamp plate. A driving plate is fixedly connected to the lower end of the four vertical guide rods, and the bottom end of the driving plate is fixedly connected to the upper end of the sliding sleeve. The fixing clamp plate is slidably connected to the rectangular notch, and a rubber anti-slip pad is glued to the bottom end of the fixing clamp plate with adhesive.
[0011] This utility model provides a cutting and fixing device for circuit boards, which has the following beneficial effects:
[0012] This invention, through the setting of a synchronous driving mechanism, enables the simultaneous movement of the two fixing plates by only one cylinder when quickly fixing the two sides of the circuit board. This not only effectively reduces hardware costs but also reduces subsequent maintenance and debugging costs, thereby improving the practicality and economy of this cutting and fixing device.
[0013] This invention allows for adjustment of the distance between two limiting plates by adjusting the screw, nut, I-shaped drive rod, and sliding sleeve, according to circuit boards of different widths. The adjustment is achieved simply by loosening the two fastening bolts and then rotating the adjusting screw, thereby improving the adaptability of this cutting and fixing device to circuit boards of different widths and fully meeting diverse production needs. Attached Figure Description
[0014] To more clearly illustrate the technical solution of this utility model, the accompanying drawings will be briefly described below.
[0015] In the attached diagram:
[0016] Figure 1 A structural schematic diagram of the overall structure of this application is shown;
[0017] Figure 2 A structural schematic diagram of this application from a rear view is shown;
[0018] Figure 3 The diagram shows the structural schematics of the support components, synchronous drive mechanism, and fixing mechanism of this application;
[0019] Figure 4 A schematic diagram of the structure of the support components of this application is shown;
[0020] Figure 5 The diagram shows the structure of the synchronous drive mechanism and the fixed mechanism after they are separated according to this application.
[0021] List of reference numerals
[0022] 1. Cutting table; 101. U-shaped support frame;
[0023] 2. Transverse movement mechanism; 201. Transverse slider; 202. Transverse motor; 203. Drive screw;
[0024] 3. Cutting motor; 301. Circular cutting blade;
[0025] 4. Support components; 401. Fixing plate; 402. Support guide rod; 403. Support frame; 404. Adjusting screw; 405. Limiting plate; 406. Rectangular notch; 407. Nut;
[0026] 5. Synchronous drive mechanism; 501. Cylinder; 502. I-shaped drive rod; 503. Sliding sleeve; 504. Threaded thickened block; 505. Fastening bolt; 506. I-shaped sliding groove;
[0027] 6. Fixing mechanism; 601. Fixing clamp; 602. Vertical guide rod; 603. Moving plate; 604. Rubber anti-slip pad;
[0028] 7. Circuit board. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] Example 1: Please refer to Figures 1 to 5 :
[0031] This utility model proposes a circuit board cutting and fixing device, including: a cutting table 1, a U-shaped support frame 101 fixedly installed on the upper surface of the cutting table 1, and a transverse movement mechanism 2 installed inside the upper part of the U-shaped support frame 101; the transverse movement mechanism 2 includes a transverse movement slider 201, a transverse guide rod fixed inside the upper part of the U-shaped support frame 101 is slidably connected to the transverse movement slider 201, and a cutting motor 3 is installed at the bottom of the transverse movement slider 201, and a circular cutting blade 301 is installed on the rotating shaft of the cutting motor 3; a support assembly 4 and a synchronous driving mechanism 5 are installed on the upper surface of the cutting table 1, and the support assembly 4 has two sides on the left and right sides. A fixing mechanism 6 is provided on the upper side; the synchronous driving mechanism 5 includes a cylinder 501, which is fixedly installed on the rear side of the middle of the upper end face of the cutting table 1, and an I-shaped driving rod 502 is fixedly installed on the upper end of the telescopic rod of the cylinder 501. The I-shaped driving rod 502 is slidably connected to two sliding sleeves 503 on the outside in a left-right symmetrical manner; by setting up the synchronous driving mechanism 5, when the circuit board 7 is quickly fixed on both sides, only one cylinder 501 is needed to drive the fixing clamps 601 on both sides to move synchronously, which not only effectively reduces the hardware cost, but also reduces the cost of subsequent maintenance and debugging.
[0032] The transverse mechanism 2 also includes a transverse motor 202, which is mounted on the upper part of the right end face of the U-shaped support frame 101. The rotating shaft of the transverse motor 202 passes through the right side wall of the U-shaped support frame 101. A drive screw 203 is fixedly installed on the left end of the rotating shaft of the transverse motor 202, and the left end of the drive screw 203 is rotatably connected to the left side wall of the U-shaped support frame 101. The drive screw 203 is connected to the transverse slider 201 by a thread. The transverse mechanism 2 is used to move the cutting motor 3 and the circular cutting blade 301 left and right to adjust the cutting position.
[0033] The support assembly 4 includes two fixing plates 401, which are respectively fixedly installed on the left and right sides of the upper surface of the cutting table 1. Support guide rods 402 are fixedly connected to the opposite surfaces of the two fixing plates 401. Two support frames 403 are slidably connected to the outer surfaces of the support guide rods 402 in a left-right symmetrical manner. Each support frame 403 has a limit plate 405 installed on its top surface, and each limit plate 405 has two rectangular notches 406. A circuit board 7 is placed between the two limit plates 405 on the upper surfaces of the two support frames 403. An adjusting screw 404 is rotatably connected between 401. The adjusting screw 404 has two reverse threads arranged symmetrically on the outside. Two nuts 407 are connected to the outside of the adjusting screw 404 through the two reverse threads. The two nuts 407 are fixedly connected to the bottom end face of the two support frames 403 respectively. By cooperating with the adjusting screw 404, nuts 407, I-shaped drive rod 502 and sliding sleeve 503, the distance between the two limiting plates 405 can be adjusted according to the circuit board 7 of different widths, thereby improving the adaptability of this cutting and fixing device to circuit boards 7 of different widths.
[0034] The fixing mechanism 6 includes a fixing clamp 601. Four vertical guide rods 602 that penetrate the top of the support frame 403 are fixedly connected to the bottom surface of the fixing clamp 601. A driving plate 603 is fixedly connected to the lower end of the four vertical guide rods 602. The bottom surface of the driving plate 603 is fixedly connected to the upper surface of the sliding sleeve 503. The fixing clamp 601 is slidably connected to the rectangular notch 406. A rubber anti-slip pad 604 is glued to the bottom surface of the fixing clamp 601 with adhesive. The fixing mechanism 6 is used to press down and fix the circuit board 7 on both sides.
[0035] Example 2, based on Example 1, such as Figure 3 and Figure 5 As shown, each sliding sleeve 503 has an I-shaped groove 506 on its left end face, and the I-shaped groove 506 is slidably connected to the I-shaped drive rod 502. Each sliding sleeve 503 has a threaded thickening block 504 on its rear end face, and each threaded thickening block 504 has a fastening bolt 505 connected to it by threads. When the fastening bolt 505 is in the tightened state, the front end of the fastening bolt 505 is in close contact with the rear side of the middle of the I-shaped drive rod 502. By setting the fastening bolt 505, after the distance between the two limit plates 405 is adjusted, the two fastening bolts 505 can be tightened, thereby realizing the fixing effect of the I-shaped drive rod 502 and the two sliding sleeves 503, which greatly improves the stability of the synchronous drive mechanism 5 when driving the two fixed clamps 601 to move downward, and improves the reliability of the fixing mechanism 6 when fixing the circuit board 7 on both sides.
[0036] The working principle of this embodiment is as follows: In use, the circuit board 7 is first placed between the two limiting plates 405 on the upper surface of the two support frames 403. This can be done by a robot or manually. Then, the distance between the two limiting plates 405 is adjusted according to the width of the circuit board 7. During adjustment, the two fastening bolts 505 are first loosened. Then, the adjusting screw 404 is rotated manually. Then, the two nuts 407 move the two support frames 403 and the two limiting plates 405 simultaneously in opposite directions or opposite directions under the action of two reverse threads on the outside of the adjusting screw 404. This allows the cutting and fixing device to be applicable to more circuit boards 7 of different widths, improving the flexibility of the cutting and fixing device.
[0037] Once the circuit board 7 is in place, the telescopic rod of the control cylinder 501 retracts downward, simultaneously moving the I-shaped drive rod 502, the two sliding sleeves 503, and the two fixing mechanisms 6 downward, thus quickly fixing both sides of the circuit board 7. This function only requires one cylinder 501 to drive the two fixing clamps 601 to move synchronously, which not only effectively reduces hardware costs but also reduces subsequent maintenance and debugging costs, thereby improving the practicality of this cutting and fixing device.
[0038] Once the circuit board 7 is fixed in place, the cutting motor 3 drives the circular cutting blade 301 to rotate, and the transverse motor 202 drives the drive screw 203 to rotate, causing the transverse slider 201 to move left and right under the action of the thread, thereby cutting the circuit board 7.
[0039] The following points should be noted in this article:
[0040] 1. The accompanying drawings of this utility model only relate to the structures involved in this utility model; other structures can be referred to conventional designs.
[0041] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.
[0042] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A cutting fixture for a circuit board, comprising: A cutting table (1) is provided, on the upper surface of which a U-shaped support frame (101) is fixedly installed, and a transverse mechanism (2) is installed at the upper end of the U-shaped support frame (101); the transverse mechanism (2) includes a transverse slider (201), on which a transverse guide rod fixed at the upper end of the U-shaped support frame (101) is slidably connected, and a cutting motor (3) is installed at the bottom of the transverse slider (201), and a circular cutting blade (301) is installed on the shaft of the cutting motor (3); characterized in that The upper surface of the cutting table (1) is equipped with a support assembly (4) and a synchronous drive mechanism (5). The upper part of the left and right sides of the support assembly (4) is provided with a fixing mechanism (6). The synchronous drive mechanism (5) includes a cylinder (501). The cylinder (501) is fixedly installed on the rear side of the middle part of the upper surface of the cutting table (1). The upper end of the telescopic rod of the cylinder (501) is fixedly installed with an I-shaped drive rod (502). The I-shaped drive rod (502) is slidably connected to two sliding sleeves (503) on the outside of the left and right sides.
2. The cutting fixture for a circuit board according to claim 1, wherein: The transverse mechanism (2) also includes a transverse motor (202), which is installed on the upper part of the right end face of the U-shaped support frame (101). The shaft of the transverse motor (202) passes through the right side wall of the U-shaped support frame (101). A drive screw (203) is fixedly installed on the left end of the shaft of the transverse motor (202), and the left end of the drive screw (203) is rotatably connected to the left side wall of the U-shaped support frame (101). The drive screw (203) is connected to the transverse slider (201) by a thread.
3. The cutting fixture for a circuit board according to claim 1, wherein: The support assembly (4) includes two fixing plates (401), which are fixedly installed on the left and right sides of the upper end face of the cutting table (1). The two fixing plates (401) are fixedly connected to the opposite sides of the two fixing plates (401) with support guide rods (402). The support guide rods (402) are slidably connected to two support frames (403) on the outside of the support frame (403). Each support frame (403) has a limit plate (405) installed on its top surface, and each limit plate (405) has two rectangular notches (406). An adjusting screw (404) is rotatably connected between the two fixing plates (401). The adjusting screw (404) has two reverse threads on its outside, which are symmetrically arranged on the outside of the two fixing plates (401). The adjusting screw (404) is connected to two nuts (407) through the two reverse threads, and the two nuts (407) are fixedly connected to the bottom end face of the two support frames (403).
4. The cutting fixture for a circuit board according to claim 1, wherein: Each of the sliding sleeves (503) has an I-shaped groove (506) on its left end face, and the I-shaped groove (506) is slidably connected to the I-shaped drive rod (502). Each sliding sleeve (503) has a threaded thickening block (504) on its rear end face, and each threaded thickening block (504) has a fastening bolt (505) connected inside by a thread.
5. The cutting fixture for a circuit board according to claim 4, wherein: When the fastening bolt (505) is in the fastened state, the front end of the fastening bolt (505) is in close contact with the rear side of the middle part of the I-shaped drive rod (502).
6. The cutting fixture for a circuit board according to claim 3, wherein: The fixing mechanism (6) includes a fixing clamp (601), and four vertical guide rods (602) that penetrate the top of the support frame (403) are fixedly connected to the bottom end of the fixing clamp (601). The lower end of the four vertical guide rods (602) is fixedly connected to a driving plate (603), and the bottom end of the driving plate (603) is fixedly connected to the upper end of the sliding sleeve (503). The fixing clamp (601) is slidably connected to the rectangular notch (406), and a rubber anti-slip pad (604) is pasted on the bottom end of the fixing clamp (601) by an adhesive.