Special clamping table for circuit board test tool
The special clamping table for circuit board testing addresses the high cost of redesigning fixtures by using a mechanically driven mechanism with spring rebound and rubber gasket buffering, ensuring stable clamping and quick adjustment for diverse circuit boards.
Patent Information
- Application Number
- CN202323646594.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing circuit board test fixtures require constant redesign for different types of circuit boards, leading to high costs due to the need for new clamping tables.
A special clamping table for circuit board testing tooling featuring a mechanically driven clamping adjustment mechanism with spring rebound and rubber gasket buffering, suitable for most circuit boards, to avoid damage during clamping and facilitate quick position adjustment.
Enables stable and quick clamping of various circuit boards, preventing damage and meeting testing requirements across different types, while reducing the need for costly redesigns.
Smart Images

Figure CN222280681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit boards, in particular to a special clamping table for circuit board testing tooling. Background Art
[0002] With the widespread application of electronic products, the production of circuit boards has also increased. In the production process of circuit boards, when the electronic components are welded, the circuit boards need to be powered on to detect whether they are qualified. In the process of testing the circuit boards, a special clamping table for circuit board testing tooling is needed to fix the circuit boards.
[0003] The traditional circuit board test fixture special fixture is designed by designing a set of suitable fixtures for the circuit board to be tested, and then the circuit board test fixture operation is carried out through the suitable fixture;
[0004] The existing problem is that in order to fix different types of circuit boards, it is necessary to constantly design new and suitable clamping tables, which is costly. For this reason, we propose a special clamping table for circuit board testing tooling. Utility Model Content
[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a special clamping table for circuit board testing tooling. The device is mechanically driven to facilitate the stable pressing and clamping of the circuit board, and can quickly adjust the pressing position. It is suitable for most different types of circuit boards. Through spring rebound and rubber gasket buffering, damage to the circuit board when clamping and fixing the circuit board is avoided. It meets the test requirements of most different types of circuit boards and can effectively solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special clamping table for circuit board testing tooling, comprising a mounting plate, a clamping adjustment mechanism and an elastic clamping mechanism;
[0007] Mounting plate: The rear side of the upper surface of the mounting plate is fixedly connected with a clamping table, and the front side of the upper surface of the mounting plate is fixedly connected with symmetrically distributed support seats;
[0008] Clamping adjustment mechanism: It is arranged at the front end of the clamping platform, and the lower end of the clamping adjustment mechanism is fixedly connected to the upper ends of the two support seats;
[0009] Elastic clamping mechanism: They are respectively threadedly connected to the inside of the clamping adjustment mechanism. The device is mechanically driven to facilitate the stable downward clamping of the circuit board and can quickly adjust the pressing position. It is suitable for most different types of circuit boards. Spring rebound and rubber gasket buffering can avoid damage to the circuit board when clamping and fixing the circuit board, which can meet the testing of most different types of circuit boards.
[0010] Furthermore, it also includes a single-chip microcomputer, which is fixedly connected to the upper end of the mounting plate, and the input end of the single-chip microcomputer is electrically connected to an external power supply to regulate the normal operation of the motor.
[0011] Furthermore, the clamping adjustment mechanism includes an I-shaped slider, a pressing plate, a slider, a connecting plate, an I-shaped slide groove, a screw rod, a threaded hole and a support plate, the connecting plate is fixedly connected to the interior of the clamping platform, the upper end of the connecting plate is rotatably connected to the screw rod through a bearing, the outer surface of the screw rod is threadedly connected to the slider, the outer surface of the slider is slidably connected to the slide groove opened in the interior of the clamping platform, the front end of the slider is fixedly connected to the pressing plate, the rear end of the pressing plate is fixedly connected to the symmetrically distributed I-shaped slider, the front end of the clamping platform is provided with symmetrically distributed I-shaped slide grooves, the I-shaped slider is slidably connected to the longitudinally adjacent I-shaped slide grooves, the front end of the clamping platform is fixedly connected to the support plate, the lower end of the support plate is fixedly connected to the upper ends of the two support seats, and the upper ends of the pressing plate and the support plate are provided with evenly distributed threaded holes to realize rapid movement and adjustment of the clamping device.
[0012] Furthermore, the clamping adjustment mechanism also includes a driving motor, which is fixedly connected to the lower end of the connecting plate by screws, the upper end of the output shaft of the driving motor is fixedly connected to the lower end of the screw rod, and the input end of the driving motor is electrically connected to the output end of the single-chip microcomputer to provide power support for the clamping device.
[0013] Furthermore, the elastic clamping mechanism includes a threaded connector, a spring, a support tube and a lower pressure column. The threaded connectors are respectively threadedly connected to the inside of the threaded holes, the end of the threaded connector facing the clamped circuit board is fixedly connected to the support tube, the inside of the support tube is slidably connected to the lower pressure column, the spring is fixedly connected between the lower pressure column on the upper side and the pressing plate, the spring is also fixedly connected between the lower pressure column on the lower side and the support plate, and the springs are all located inside the support tube to achieve stable clamping of the circuit board and prevent damage to the circuit board.
[0014] Furthermore, the elastic clamping mechanism also includes a rubber gasket, which is fixedly connected to one end of the lower pressure column facing the clamping circuit board to protect the circuit board.
[0015] Furthermore, it also includes mounting holes, which are evenly opened on the upper end of the mounting plate to facilitate fixed installation of the device.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the circuit board test fixture special clamping table has the following advantages:
[0017] During the actual use of the special clamping table for circuit board testing tooling, the staff places the circuit board to be clamped on the lower pressure column located above the support plate. In order to be suitable for most circuit boards, the staff rotates the support cylinder to disengage the threaded connector from the threaded hole, and then moves the threaded connector to the required threaded hole to allow the lower pressure column to better support the circuit board. After placing the circuit board, the staff starts the drive motor through the microcontroller control. The output shaft of the drive motor rotates to drive the lead screw to rotate, so that the slider moves downward along the internal slide groove of the clamping table, so that the pressing plate approaches the support plate, and the I-shaped slider assists in sliding in the I-shaped slide groove, so that the pressing plate is more stable during the downward movement, thereby making the pressing The plate drives the threaded connector in the threaded hole to move downward, so that the support tube drives the lower pressure column to approach the circuit board, and then the lower pressure column can press and clamp the circuit board, and the spring rebound force and the rubber gasket buffering can avoid damage to the circuit board during the process of pressing and clamping the circuit board, so that the device can stably and quickly clamp and fix most different types of circuit boards, and the threaded hole can be connected to an external detection device. The device is mechanically driven to facilitate stable pressing and clamping of the circuit board, and the pressing position can be quickly adjusted, which is suitable for most different types of circuit boards. The spring rebound and the rubber gasket buffering can avoid damage to the circuit board when clamping and fixing the circuit board, and meet the testing needs of most different types of circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the clamping adjustment mechanism of the utility model;
[0020] Figure 3 It is a schematic cross-sectional structure diagram of the elastic clamping mechanism of the utility model.
[0021] In the figure: 1 mounting plate, 2 clamping adjustment mechanism, 21 I-shaped slider, 22 pressing plate, 23 slider, 24 connecting plate, 25 I-shaped slide groove, 26 screw rod, 27 driving motor, 28 threaded hole, 29 supporting plate, 3 elastic clamping mechanism, 31 threaded connector, 32 spring, 33 supporting cylinder, 34 pressing column, 35 rubber gasket, 4 clamping table, 5 supporting seat, 6 mounting hole, 7 single chip computer. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 , This embodiment provides a technical solution: a special clamping table for circuit board testing tooling, including a mounting plate 1, a clamping adjustment mechanism 2 and an elastic clamping mechanism 3;
[0024] The mounting plate 1: a clamping table 4 is fixedly connected to the rear side of the upper surface thereof, a symmetrically distributed support seat 5 is fixedly connected to the front side of the upper surface of the mounting plate 1, and further comprises a single chip microcomputer 7, the single chip microcomputer 7 is fixedly connected to the upper end of the mounting plate 1, the input end of the single chip microcomputer 7 is electrically connected to an external power supply, and further comprises mounting holes 6, the mounting holes 6 are evenly opened at the upper end of the mounting plate 1;
[0025] The clamping adjustment mechanism 2 is arranged at the front end of the clamping platform 4, and the lower end of the clamping adjustment mechanism 2 is fixedly connected to the upper ends of the two support seats 5. The clamping adjustment mechanism 2 includes an I-shaped slider 21, a pressing plate 22, a slider 23, a connecting plate 24, an I-shaped slide groove 25, a screw rod 26, a threaded hole 28 and a support plate 29. The connecting plate 24 is fixedly connected to the inside of the clamping platform 4, and the upper end of the connecting plate 24 is rotatably connected to the screw rod 26 through a bearing. The outer surface of the screw rod 26 is threadedly connected to the slider 23, and the outer surface of the slider 23 is slidably connected to the slide groove opened in the clamping platform 4. The front end of the slider 23 is fixedly connected to the pressing plate 22, and the rear end of the pressing plate 22 is fixedly connected to the symmetrically distributed I-shaped sliders 21. The front end of the clamping platform 4 is provided with symmetrically distributed I-shaped slide grooves 25, and the I-shaped slider 21 is slidably connected to the longitudinally adjacent I-shaped slide grooves 25. The front end of the clamping platform 4 is fixedly connected to the clamping plate 22, and the rear end of the clamping plate 22 is fixedly connected to the symmetrically distributed I-shaped sliders 21. The front end of the clamping platform 4 is provided with symmetrically distributed I-shaped slide grooves 25. The I-shaped slider 21 is slidably connected to the longitudinally adjacent I-shaped slide grooves 25. A support plate 29 is fixedly connected, and the lower end of the support plate 29 is fixedly connected to the upper ends of the two support seats 5. The upper ends of the pressing plate 22 and the support plate 29 are both provided with evenly distributed threaded holes 28. The clamping adjustment mechanism 2 also includes a driving motor 27, which is fixedly connected to the lower end of the connecting plate 24 by screws. The upper end of the output shaft of the driving motor 27 is fixedly connected to the lower end of the screw rod 26. The input end of the driving motor 27 is electrically connected to the output end of the single-chip computer 7. The output shaft of the driving motor 27 rotates to drive the screw rod 26 to rotate, so that the slider 23 moves downward along the internal slide groove of the clamping table 4, so that the pressing plate 22 approaches the support plate 29, and the I-shaped slider 21 assists in sliding in the I-shaped slide groove 25, so that the pressing plate 22 is more stable during the downward movement. The threaded hole 28 can be connected to an external detection device to meet the testing of most different types of circuit boards;
[0026] The elastic clamping mechanism 3 is respectively threadedly connected to the inside of the clamping adjustment mechanism 2. The elastic clamping mechanism 3 includes a threaded connector 31, a spring 32, a support cylinder 33 and a lower pressure column 34. The threaded connector 31 is respectively threadedly connected to the inside of the threaded hole 28. The end of the threaded connector 31 facing the clamping circuit board is fixedly connected to the support cylinder 33. The inside of the support cylinder 33 is slidably connected to the lower pressure column 34. The spring 32 is fixedly connected between the lower pressure column 34 on the upper side and the pressing plate 22. The spring 32 is also fixedly connected between the lower pressure column 34 on the lower side and the support plate 29. The spring 3 2 are all located inside the support cylinder 33. The elastic clamping mechanism 3 also includes a rubber gasket 35. The rubber gasket 35 is fixedly connected to one end of the lower pressure column 34 facing the clamped circuit board, so that the pressing plate 22 drives the threaded connector 31 in the threaded hole 28 to move downward, so that the support cylinder 33 drives the lower pressure column 34 to approach the circuit board, and then the lower pressure column 34 can press and clamp the circuit board. The rebound force of the spring 32 and the buffering of the rubber gasket 35 can avoid damage to the circuit board during the process of pressing and clamping the circuit board, so that the device can stably and quickly clamp and fix most different types of circuit boards.
[0027] The working principle of a special clamping platform for circuit board testing tooling provided by the utility model is as follows: the mounting plate 1 is moved to the mounting position of the special clamping platform for circuit board testing tooling, and is threadedly connected to the screw hole of the mounting position of the special clamping platform for circuit board testing tooling through the mounting hole 6 by the external bolt to achieve stable fixation of the mounting plate 1 and the upper frame. Then the staff places the circuit board to be clamped on the lower pressure column 34 located above the support plate 29. In order to be suitable for most circuit boards, the staff rotates the support cylinder 33 to disengage the threaded connector 31 from the threaded hole 28, and then moves the threaded connector 31 to the required threaded hole 28, so that the lower pressure column 34 can better support the circuit board. After the circuit board is placed, the staff starts the drive motor 27 through the single-chip microcomputer 7. The drive motor 27 The output shaft rotates to drive the screw rod 26 to rotate, so that the slider 23 moves downward along the internal slide groove of the clamping table 4, so that the pressing plate 22 approaches the support plate 29, and the I-shaped slider 21 slides in the I-shaped slide groove 25 to assist in sliding, so that the pressing plate 22 is more stable during the downward movement, and then the pressing plate 22 drives the threaded connector 31 in the threaded hole 28 to move downward, so that the support cylinder 33 drives the lower pressure column 34 to approach the circuit board, so that the lower pressure column 34 can press and clamp the circuit board, and the rebound force of the spring 32 and the buffering of the rubber gasket 35 can avoid damage to the circuit board during the process of pressing and clamping the circuit board, so that the device can stably and quickly clamp and fix most different types of circuit boards, and the threaded hole 28 can be connected to an external detection device to meet the testing of most different types of circuit boards.
[0028] It is worth noting that the drive motor 27 disclosed in the above embodiment can be selected from 86BLF02, and the single chip microcomputer 7 controls the operation of the drive motor 27 using methods commonly used in the prior art.
[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A special clamping table for circuit board testing tooling, characterized in that: It comprises a mounting plate (1), a clamping adjustment mechanism (2) and an elastic clamping mechanism (3); The mounting plate (1) has a clamping platform (4) fixedly connected to the rear side of its upper surface, and symmetrically distributed support seats (5) fixedly connected to the front side of its upper surface; A clamping adjustment mechanism (2): the clamping adjustment mechanism (2) is arranged at the front end of the clamping platform (4), and the lower end of the clamping adjustment mechanism (2) is fixedly connected to the upper ends of the two support seats (5); Elastic clamping mechanisms (3): They are respectively threadedly connected to the inside of the clamping adjustment mechanisms (2).
2. A circuit board test fixture dedicated clamping table according to claim 1, characterized in that: It also comprises a single-chip microcomputer (7), wherein the single-chip microcomputer (7) is fixedly connected to the upper end of the mounting plate (1), and an input end of the single-chip microcomputer (7) is electrically connected to an external power supply.
3. The circuit board test fixture dedicated clamping table according to claim 2, characterized in that: The clamping adjustment mechanism (2) comprises an I-shaped slider (21), a pressing plate (22), a slider (23), a connecting plate (24), an I-shaped slide groove (25), a screw rod (26), a threaded hole (28) and a supporting plate (29); the connecting plate (24) is fixedly connected to the inside of the clamping platform (4); the upper end of the connecting plate (24) is rotatably connected to the screw rod (26) via a bearing; the outer surface of the screw rod (26) is threadedly connected to the slider (23); the outer surface of the slider (23) is slidably connected to the slide groove provided in the inside of the clamping platform (4); the slider (2 The front end of the clamping platform (3) is fixedly connected to a pressing plate (22), the rear end of the pressing plate (22) is fixedly connected to symmetrically distributed I-shaped sliding blocks (21), the front end of the clamping platform (4) is provided with symmetrically distributed I-shaped sliding grooves (25), the I-shaped sliding blocks (21) are slidably connected to the longitudinally adjacent I-shaped sliding grooves (25), the front end of the clamping platform (4) is fixedly connected to a support plate (29), the lower end of the support plate (29) is fixedly connected to the upper ends of the two support seats (5), and the upper ends of the pressing plate (22) and the support plate (29) are both provided with evenly distributed threaded holes (28).
4. The circuit board test fixture dedicated clamping table according to claim 3, characterized in that: The clamping adjustment mechanism (2) further comprises a driving motor (27), wherein the driving motor (27) is fixedly connected to the lower end of the connecting plate (24) by means of screws, the upper end of the output shaft of the driving motor (27) is fixedly connected to the lower end of the screw rod (26), and the input end of the driving motor (27) is electrically connected to the output end of the single chip computer (7).
5. The circuit board test fixture dedicated clamping table according to claim 3, characterized in that: The elastic clamping mechanism (3) comprises a threaded connector (31), a spring (32), a support tube (33) and a lower pressure column (34); the threaded connector (31) is respectively threadedly connected to the inside of the threaded hole (28); one end of the threaded connector (31) facing the clamping circuit board is fixedly connected to the support tube (33); the inside of the support tube (33) is slidably connected to the lower pressure column (34); the spring (32) is fixedly connected between the lower pressure column (34) located on the upper side and the pressing plate (22); the spring (32) is also fixedly connected between the lower pressure column (34) located on the lower side and the support plate (29); and the spring (32) is located inside the support tube (33).
6. The circuit board test fixture dedicated clamping table according to claim 5, characterized in that: The elastic clamping mechanism (3) further comprises a rubber gasket (35), and each of the rubber gaskets (35) is fixedly connected to one end of the lower pressure column (34) facing the clamping circuit board.
7. The circuit board test fixture dedicated clamping table according to claim 1, characterized in that: It also includes mounting holes (6), wherein the mounting holes (6) are evenly arranged at the upper end of the mounting plate (1).