Positioning device for circuit board drilling

Abstract

The utility model discloses a positioning device for drilling of a circuit board, relates to the technical field of positioning devices, and aims to solve the problems that in the prior art, when an existing device is used for clamping and fixing the circuit board, the circuit board is inconvenient to position and clamp, and the drilling accuracy of the circuit board is influenced. A backup plate is fixedly installed at the front end of the workbench, a first clamping plate and a second clamping plate are arranged at the front end of the workbench along the two sides of the backup plate respectively, the first clamping plate and the second clamping plate are symmetrically arranged, a first connecting plate is fixedly installed above the first clamping plate, and a first displacement sensor is installed on one side of the first connecting plate. A first connecting plate is fixedly installed above the second clamping plate, a second displacement sensor is installed on one side of the second connecting plate, the second displacement sensor is fixedly connected with the workbench through a bolt, and the first displacement sensor and the second displacement sensor are symmetrically arranged.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a positioning device for drilling holes in a circuit board. Background Art

[0002] Circuit boards are important electronic components, supporting bodies for electronic components, and carriers for electrical interconnection of electronic components. Almost every electronic device, from electronic watches and calculators to computers, communication electronic equipment, and military weapon systems, as long as there are electronic components such as integrated circuits, must use printed circuit boards to make electrical interconnections between various components. During the production process of circuit boards, the circuit boards need to be drilled, and the circuit boards need to be positioned and clamped during the drilling process.

[0003] For example, the authorized patent with announcement number CN216391551U (a positioning device for drilling a circuit board): comprises a workbench, support frames are welded on both sides of the surface of the workbench, and a drilling device is fixedly installed on the bottom surface of the support frame, and a circuit board is arranged on the top surface of the workbench below the drilling device, and movable plates are arranged on both sides of the circuit board, and a sliding groove is opened on the surface of the movable plate away from the circuit board;

[0004] Although the above-mentioned prior art is convenient for clamping the circuit board, it is not convenient to position the circuit board on the clamping workbench. Furthermore, when the prior device clamps and fixes the circuit board, it is not convenient to position and clamp the circuit board, which affects the accuracy of the circuit board drilling processing. Therefore, the market urgently needs to develop a positioning device for circuit board drilling to help people solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning device for drilling holes in a circuit board, so as to solve the problem that the existing device proposed in the above background technology is not convenient for positioning and clamping the circuit board when clamping and fixing the circuit board, thereby affecting the accuracy of the circuit board drilling processing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for drilling holes in a circuit board, comprising a workbench, a backing plate fixedly installed at the front end of the workbench, a first clamping plate and a second clamping plate are respectively arranged on both sides of the backing plate at the front end of the workbench, and the first clamping plate and the second clamping plate are symmetrically arranged, a first connecting plate is fixedly installed above the first clamping plate, a first displacement sensor is installed on one side of the first connecting plate, and the first displacement sensor is fixedly connected to the workbench by bolts, a second connecting plate is fixedly installed above the second clamping plate, a second displacement sensor is installed on one side of the second connecting plate, and the second displacement sensor is fixedly connected to the workbench by bolts, and the first displacement sensor and the second displacement sensor are symmetrically arranged.

[0007] Preferably, a first vertical plate is provided on one side of the first clamping plate, a first electric push rod is fixedly mounted on one side of the first vertical plate, and a push rod end of the first electric push rod passes through the first vertical plate and is fixedly connected to the first clamping plate by bolts.

[0008] Preferably, a second vertical plate is provided on one side of the second clamping plate, a second electric push rod is fixedly mounted on one side of the second vertical plate, and a push rod end of the second electric push rod passes through the second vertical plate and is fixedly connected to the second clamping plate by bolts.

[0009] Preferably, a first slide plate is fixedly mounted on the rear end of the first vertical plate, and the first slide plate is fitted with the workbench, and a second slide plate is fixedly mounted on the rear end of the second vertical plate, and the second slide plate is fitted with the workbench.

[0010] Preferably, a screw cavity is provided inside the workbench, a ball screw is provided inside the screw cavity, and the ball screw is rotatably connected to the workbench, a motor is fixedly installed on one side of the workbench, and the output end of the motor is fixedly connected to the ball screw.

[0011] Preferably, a first sliding block and a second sliding block are slidably installed at both ends of the outer side of the ball screw, and a sliding slot hole is provided inside the workbench along the top of the screw cavity. A first moving plate is fixedly installed above the first sliding block, and the first moving plate is fixedly connected to the first slide plate by bolts.

[0012] Preferably, a second shifting plate is fixedly mounted above the second sliding block, and the second shifting plate is fixedly connected to the second sliding plate by bolts.

[0013] Preferably, a guide rod is fixedly mounted on one side of the first clamping plate, and the guide rod passes through the first vertical plate, and a rubber pad is fixedly mounted on one side of the second clamping plate.

[0014] Preferably, a scale is fixedly mounted on the front end of the workbench.

[0015] Preferably, the output ends of the first displacement sensor and the second displacement sensor are both connected to the input end of the intelligent processing module, and the output end of the intelligent processing module is respectively connected to the input ends of the first electric push rod, the motor and the second electric push rod.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model is provided with a first clamping plate, a second clamping plate, a first displacement sensor, a second displacement sensor and a backing plate, wherein the first clamping plate and the second clamping plate are respectively connected to the measuring ends of the first displacement sensor and the second displacement sensor, so that when the circuit board is drilled and clamped, the circuit board is positioned by leaning against the backing plate, and then the first clamping plate and the second clamping plate are driven to clamp and fix the circuit board. Through the action of the first displacement sensor and the second displacement sensor, the displacement of the first clamping plate and the second clamping plate relative to the initial position can be detected. If the displacements of the two clamping plates are different, the circuit board is not clamped and fixed in the middle position of the workbench. The circuit board is driven to move by driving the two clamping plates, and the displacements of the two clamping plates are adjusted and made the same, so that the circuit board can be stably clamped in the middle position of the workbench, thereby realizing the positioning, clamping and fixing of the circuit board, which is beneficial to the accuracy of drilling holes in the circuit board and improves the practicality of the positioning device.

[0018] 2. The utility model arranges a ball screw inside the workbench, wherein the threads at the two ends of the outer side of the ball screw are in opposite directions, and a first sliding block and a second sliding block are slidably installed on the outer side of the ball screw, and the first sliding block and the second sliding block are respectively connected to the first slide plate and the second slide plate, so that when the ball screw is driven to rotate, the two sliding blocks can drive the two slide plates to approach each other synchronously, so that the first clamping plate and the second clamping plate can move synchronously to clamp the circuit board, which is beneficial to the positioning and clamping of the circuit board and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A top view of a positioning device for drilling a circuit board according to the utility model;

[0020] Figure 2 It is a front cross-sectional view of the workbench of the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0022] Figure 4 It is a schematic diagram of the principle of the utility model.

[0023] In the figure: 1. workbench; 2. first clamping plate; 3. second clamping plate; 4. first electric push rod; 5. motor; 6. first slide plate; 7. first vertical plate; 8. guide rod; 9. scale; 10. second vertical plate; 11. second slide plate; 12. sliding slot; 13. second electric push rod; 14. first displacement sensor; 15. first connecting plate; 16. supporting plate; 17. second connecting plate; 18. second displacement sensor; 19. first shift plate; 20. first sliding block; 21. second shift plate; 22. second sliding block; 23. ball screw; 24. rubber pad; 25. intelligent processing module. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a positioning device for drilling a circuit board, comprising a workbench 1, a backing plate 16 is fixedly installed at the front end of the workbench 1, a first clamping plate 2 and a second clamping plate 3 are respectively arranged on both sides of the backing plate 16 at the front end of the workbench 1, and the first clamping plate 2 and the second clamping plate 3 are symmetrically arranged, a first connecting plate 15 is fixedly installed above the first clamping plate 2, a first displacement sensor 14 is installed on one side of the first connecting plate 15, and the first displacement sensor 14 is fixedly connected to the workbench 1 by bolts, a second connecting plate 17 is fixedly installed above the second clamping plate 3, a second displacement sensor 18 is installed on one side of the second connecting plate 17, and the second displacement sensor 18 is fixedly connected to the workbench 1 by bolts, and the first displacement sensor 14 and the second displacement sensor 18 are symmetrically arranged.

[0026] When in use, when the circuit board is being drilled and clamped, the circuit board is positioned by leaning it against the support plate 16, and then the first clamping plate 2 and the second clamping plate 3 are driven to clamp and fix the circuit board. The first displacement sensor 14 and the second displacement sensor 18 can detect the displacement of the first clamping plate 2 and the second clamping plate 3 relative to the initial position. If the displacement of the two clamping plates is different, the positions of the two clamping plates have changed, and the circuit board is not clamped and fixed in the middle position of the workbench 1. The two clamping plates are driven to move and adjust the circuit board so that the displacement of the two clamping plates is the same, so that the circuit board can be stably clamped in the middle position of the workbench 1, thereby realizing the positioning, clamping and fixing of the circuit board, which is beneficial to the accuracy of drilling holes in the circuit board and improves the practicality of the positioning device.

[0027] Furthermore, a first vertical plate 7 is provided on one side of the first clamping plate 2, a first electric push rod 4 is fixedly installed on one side of the first vertical plate 7, and a push rod end of the first electric push rod 4 passes through the first vertical plate 7 and is fixedly connected to the first clamping plate 2 by bolts, a second vertical plate 10 is provided on one side of the second clamping plate 3, a second electric push rod 13 is fixedly installed on one side of the second vertical plate 10, and a push rod end of the second electric push rod 13 passes through the second vertical plate 10 and is fixedly connected to the second clamping plate 3 by bolts, the setting of the first electric push rod 4 and the second electric push rod 13 facilitates driving the first clamping plate 2 and the second clamping plate 3 to move, which is beneficial to the position adjustment of the clamps.

[0028] Furthermore, a first slide plate 6 is fixedly installed on the rear end of the first vertical plate 7, and the first slide plate 6 is fitted with the workbench 1, a second slide plate 11 is fixedly installed on the rear end of the second vertical plate 10, and the second slide plate 11 is fitted with the workbench 1, a screw cavity is arranged inside the workbench 1, a ball screw 23 is arranged inside the screw cavity, and the ball screw 23 is rotatably connected to the workbench 1, and the threads at both ends of the outer side of the ball screw 23 are opposite, a motor 5 is fixedly installed on one side of the workbench 1, and the output end of the motor 5 is fixedly connected to the ball screw 23, so that the motor 5 can drive the ball screw 23 to rotate.

[0029] Furthermore, a first sliding block 20 and a second sliding block 22 are slidably installed at both ends of the outer side of the ball screw 23, and the first sliding block 20 and the second sliding block 22 are slidably connected to the ball screw 23 through a ball nut. A sliding slot 12 is provided inside the workbench 1 along the top of the screw cavity, and a first moving plate 19 is fixedly installed above the first sliding block 20, and the first moving plate 19 is fixedly connected to the first slide plate 6 by bolts, and a second moving plate 21 is fixedly installed above the second sliding block 22, and the second moving plate 21 is fixedly connected to the second slide plate 11 by bolts, so that when the first sliding block 20 and the second sliding block 22 slide, the first slide plate 6 and the second slide plate 11 can be driven to move, which is beneficial for the first clamping plate 2 and the second clamping plate 3 to clamp and fix the circuit board.

[0030] Furthermore, a guide rod 8 is fixedly installed on one side of the first clamp plate 2, and the guide rod 8 passes through the first vertical plate 7. A guide rod 8 is also provided on one side of the second clamp plate 3 to guide the movement of the first clamp plate 2 and the second clamp plate 3. A rubber pad 24 is fixedly installed on one side of the second clamp plate 3, and a rubber pad 24 is also fixedly installed on one side of the first clamp plate 2. A scale ruler 9 is fixedly installed on the front end of the workbench 1 to facilitate the staff to check the moving distance of the first clamp plate 2 and the second clamp plate 3.

[0031] Furthermore, the output ends of the first displacement sensor 14 and the second displacement sensor 18 are connected to the input end of the intelligent processing module 25. The intelligent processing module 25 is a processor structure of the external control structure of the device. The output end of the intelligent processing module 25 is respectively connected to the input end of the first electric push rod 4, the motor 5 and the second electric push rod 13, thereby facilitating automatic positioning and clamping of the circuit board.

[0032] Working principle: When in use, when clamping the circuit board for drilling, the circuit board is placed on the workbench 1 and leaned against the support plate 16, and then the motor 5 is started to drive the ball screw 23 to rotate, so that the first sliding block 20 and the second sliding block 22 are translated to approach each other, and through the connection between the first moving plate 19 and the second moving plate 21, the first slide plate 6 and the second slide plate 11 respectively drive the first clamping plate 2 and the second clamping plate 3 to move synchronously and approach each other to clamp the circuit board, and through the action of the first displacement sensor 14 and the second displacement sensor 18, the displacement of the first clamping plate 2 and the second clamping plate 3 relative to the initial position can be detected. If the displacement of the two clamping plates is different, the positions of the two clamping plates have changed, and the circuit board is not clamped and fixed in the middle position of the workbench 1, and then the first electric push rod 4 and the second electric push rod 13 are started respectively, and the two clamping plates are driven to move and adjust the circuit board so that the displacement of the two clamping plates is the same, and the circuit board can be stably clamped in the middle position of the workbench 1, so as to realize the positioning, clamping and fixing of the circuit board, which is beneficial to the accuracy of drilling holes in the circuit board.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A positioning device for drilling a circuit board, comprising a workbench (1), characterized in that: A backing plate (16) is fixedly mounted on the front end of the workbench (1); a first clamping plate (2) and a second clamping plate (3) are respectively arranged on both sides of the backing plate (16) at the front end of the workbench (1); and the first clamping plate (2) and the second clamping plate (3) are symmetrically arranged; a first connecting plate (15) is fixedly mounted above the first clamping plate (2); a first displacement sensor (14) is mounted on one side of the first connecting plate (15); and the first displacement sensor (14) is fixedly connected to the workbench (1) by bolts; a second connecting plate (17) is fixedly mounted above the second clamping plate (3); a second displacement sensor (18) is mounted on one side of the second connecting plate (17); and the second displacement sensor (18) is fixedly connected to the workbench (1) by bolts; and the first displacement sensor (14) and the second displacement sensor (18) are symmetrically arranged.

2. A positioning device for drilling a circuit board according to claim 1, characterized in that: A first vertical plate (7) is provided on one side of the first clamping plate (2), a first electric push rod (4) is fixedly mounted on one side of the first vertical plate (7), and a push rod end of the first electric push rod (4) passes through the first vertical plate (7) and is fixedly connected to the first clamping plate (2) by means of bolts.

3. A positioning device for drilling a circuit board according to claim 2, characterized in that: A second vertical plate (10) is provided on one side of the second clamping plate (3), a second electric push rod (13) is fixedly mounted on one side of the second vertical plate (10), and a push rod end of the second electric push rod (13) passes through the second vertical plate (10) and is fixedly connected to the second clamping plate (3) by bolts.

4. A positioning device for drilling a circuit board according to claim 3, characterized in that: A first slide plate (6) is fixedly mounted on the rear end of the first vertical plate (7), and the first slide plate (6) is in contact with the workbench (1); a second slide plate (11) is fixedly mounted on the rear end of the second vertical plate (10), and the second slide plate (11) is in contact with the workbench (1).

5. A positioning device for drilling a circuit board according to claim 4, characterized in that: A screw cavity is provided inside the workbench (1), a ball screw (23) is provided inside the screw cavity, and the ball screw (23) is rotatably connected to the workbench (1); a motor (5) is fixedly mounted on one side of the workbench (1), and an output end of the motor (5) is fixedly connected to the ball screw (23).

6. A positioning device for drilling a circuit board according to claim 5, characterized in that: A first sliding block (20) and a second sliding block (22) are slidably mounted at both ends of the outer side of the ball screw (23), a sliding slot hole (12) is provided inside the workbench (1) along the upper part of the screw cavity, a first shift plate (19) is fixedly mounted above the first sliding block (20), and the first shift plate (19) is fixedly connected to the first slide plate (6) by bolts.

7. A positioning device for drilling a circuit board according to claim 6, characterized in that: A second shift plate (21) is fixedly mounted above the second sliding block (22), and the second shift plate (21) is fixedly connected to the second sliding plate (11) by means of bolts.

8. A circuit board drilling positioning device according to claim 3, characterized in that: A guide rod (8) is fixedly mounted on one side of the first clamping plate (2), and the guide rod (8) passes through the first vertical plate (7); a rubber pad (24) is fixedly mounted on one side of the second clamping plate (3).

9. A positioning device for drilling a circuit board according to claim 1, characterized in that: A scale (9) is fixedly mounted on the front end of the workbench (1).

10. A positioning device for drilling a circuit board according to claim 1, characterized in that: The output ends of the first displacement sensor (14) and the second displacement sensor (18) are both connected to the input end of the intelligent processing module (25), and the output end of the intelligent processing module (25) is respectively connected to the input ends of the first electric push rod (4), the motor (5) and the second electric push rod (13).

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