High-precision drilling device for circuit board

Abstract

The utility model discloses a circuit board high-precision drilling device which comprises a machine frame and an electric telescopic rod, a driving top shell is welded to the top of the machine frame, and second motors are evenly installed at the top end in the driving top shell. By installing the third motor and the like, when the device actually operates, the second motor in the top shell is driven to be started, and in cooperation with the transmission effect of the transverse lead screw guide rail module connected with the second motor, the use position of the drill rod can be driven to be subjected to movement adjustment in the horizontal transverse direction; a third motor is started to be matched with the transmission effect of a longitudinal screw rod guide rail module connected with the third motor, so that the use position of the drill rod can be driven to move and adjust in the horizontal longitudinal direction; and therefore, the device can realize automatic, flexible and accurate adjustment of the drill rod aiming at different drilling points of the circuit board to be processed on the horizontal plane, continuous multi-position drilling processing can be realized, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production and processing, in particular to a high-precision drilling device for circuit boards. Background Art

[0002] Circuit boards are one of the core components of electronic devices and are widely used in common electronic devices such as computers, mobile phones, tablets, televisions, and audio equipment. During the production and processing of circuit boards, they often need to be drilled using a drilling device to facilitate the subsequent installation and fixation of components. However, there are still some defects in the actual operation of circuit board drilling devices.

[0003] As disclosed in the application number 201921831094.1, a circuit board drilling device comprises an upper plate, an outer rod, a bottom plate and a slider, characterized in that: a support seat is welded on the lower surface of the bottom plate, the upper plate is welded to the middle position of the upper surface of the bottom plate, and a socket is provided at the middle position of the upper surface of the upper plate, the outer rod is movably inserted into the socket, and an inner rod is rotatably installed in the outer rod, the slider is slidably installed on the upper plate, and a threaded rod is installed on the inner thread of the slider, a pressing plate is rotatably installed on the lower surface of the threaded rod, a rubber pad is glued to the lower surface of the pressing plate, and the pressing plate is positioned at the bottom of the slider. On the lower surface of the upper plate, this utility model has a compact structure, is easy to use, is convenient for fixing the position of the circuit board, and can manually control the drilling to meet the processing needs of the operator; however, it still has the problem that the dust generated during dust removal is not easy to handle in time, which can easily cause environmental pollution and accumulate at the drilling site, affecting processing. Secondly, the position of the drill rod is fixed, and it is not easy to automatically, flexibly and accurately adjust the different drilling points of the circuit board, and it is not easy to achieve continuous processing of multiple holes. Based on this, we propose a new type of high-precision drilling device for circuit boards to provide better circuit board processing effects. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision drilling device for a circuit board to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision drilling device for circuit boards, comprising a frame and an electric telescopic rod, a driving top shell welded to the top of the frame, a second motor evenly installed on the top of the driving top shell, one end of the second motor is connected to a transverse screw guide module, the output end of the transverse screw guide module is slidably connected to a longitudinal screw guide module, a third motor connected to the longitudinal screw guide module is fixed at the bottom end of the driving top shell, the output end of the longitudinal screw guide module is slidably connected to a first assembly base plate, and the bottom of the first assembly base plate is installed There is a second assembly substrate, a first motor is installed inside the second assembly substrate, a drill rod is installed at the bottom of the first motor, the electric telescopic rod is welded to both sides of the bottom end of the frame in sequence, a hollow placement seat for a circuit board is installed on the top of the electric telescopic rod, the middle position of both sides of the hollow placement seat for the circuit board are threadedly connected with a tightening screw, a dust box is fixed at one end of the frame, a dust removal fan is installed on the frame at one end of the dust box, a filter tube is installed between the input end of the dust removal fan and the dust box, and a dust collection pipe is threadedly connected to one end of the dust box close to the hollow placement seat for the circuit board.

[0006] Preferably, positioning strips are welded at both ends of the bottom of the first assembly substrate, and the positioning strips and the second assembly substrate form an interlocking connection. Screws are provided between the positioning strips and the second assembly substrate to facilitate the positioning and disassembly of the first assembly substrate and the second assembly substrate.

[0007] Preferably, the output end of the first motor is connected to a fixing cylinder, and a snap connection is formed between the drill rod and the fixing cylinder. Screws are evenly arranged between the top of the drill rod and the fixing cylinder, making it easy to realize independent disassembly and maintenance of the drill rod.

[0008] Preferably, the four corners of the bottom of the hollow placement seat for the circuit board are welded with limiting slide bars, and a sliding connection is formed between the limiting slide bars and the frame, which improves the stability of the hollow placement seat for the circuit board when it moves up and down.

[0009] Preferably, a disassembly and installation structure is formed between the output end of the electric telescopic rod and the hollow placement seat for the circuit board by screws.

[0010] Preferably, the compression screw extends longitudinally to the interior of the hollow placement seat for the circuit board, and a non-slip rubber layer is provided on one side of the compression screw.

[0011] Preferably, the dust removal fan and the dust collecting box both form a disassembly and installation structure between the flange and the filter tube, making it easy to realize independent disassembly and maintenance of the filter tube.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The high-precision drilling device for circuit boards is equipped with a dust box, etc., so that the device optimizes its own performance. When the dust removal fan is started, the dust box can be evacuated through the filter tube, which can generate negative pressure in the dust collection pipe connected to the dust box, thereby automatically extracting the debris generated during the drilling operation of the circuit board product placed on the hollow placement seat for the circuit board, thereby achieving automatic dust removal protection, avoiding dust flying to pollute the environment, and dust accumulation at the processing position to affect the drilling effect;

[0014] (2) The high-precision drilling device for circuit boards is equipped with a third motor, etc., so that when the device is actually running, the second motor inside the top shell is driven to start, and the transmission function of the horizontal screw guide module connected thereto is coordinated to drive the use position of the drill rod to move in the horizontal and horizontal directions. At the same time, the third motor is started, and the transmission function of the longitudinal screw guide module connected thereto is coordinated to drive the use position of the drill rod to move in the horizontal and longitudinal directions. As a result, the device can realize the automatic, flexible and precise adjustment of the drill rod in the horizontal plane for different drilling points of the circuit board to be processed, which is conducive to realizing continuous multi-position drilling processing and improving work efficiency.

[0015] (3) The high-precision drilling device for circuit boards is installed with a drill rod, etc., so that the device optimizes its own structure. On the one hand, by arranging the dust removal fan and the dust collecting box to form a disassembly and installation structure between the flange and the filter tube, it is convenient to realize the independent disassembly and maintenance of the filter tube. On the other hand, the user can use the plug-in connection structure between the positioning strip and the second assembly substrate, and cooperate with the locking and fixing effect formed by the screws between the positioning strip and the second assembly substrate to facilitate the positioning and disassembly of the first assembly substrate and the second assembly substrate. In addition, by connecting a fixing cylinder that is engaged with the drill rod to the output end of the first motor, and cooperating with the locking and fixing formed by the screws between the top of the drill rod and the fixing cylinder, it is convenient to realize the independent disassembly and maintenance of the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the partial cross-sectional structure of the driving top shell of the utility model when viewed from above;

[0018] Figure 3 This is a schematic diagram of the front view of the hollow placement seat for circuit boards of the utility model;

[0019] Figure 4 This is a rear structural diagram of the dust collection box of the present invention.

[0020] In the figure: 1. Frame; 2. Dust collection box; 3. Drive top shell; 4. First assembly base plate; 5. Second assembly base plate; 6. First motor; 7. Fixing cylinder; 8. Drill rod; 9. Positioning insert; 10. Hollow placement seat for circuit board; 11. Horizontal screw guide module; 12. Second motor; 13. Longitudinal screw guide module; 14. Third motor; 15. Pressing screw; 16. Electric telescopic rod; 17. Limiting slide bar; 18. Dust collection pipe fitting; 19. Filter tube; 20. Dust removal fan. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides an embodiment of a high-precision drilling device for a circuit board, comprising a frame 1 and an electric telescopic rod 16. A driving top shell 3 is welded to the top of the frame 1, and a second motor 12 is evenly installed on the top of the driving top shell 3. One end of the second motor 12 is connected to a transverse screw guide module 11, and the output end of the transverse screw guide module 11 is slidably connected to a longitudinal screw guide module 13. A third motor 14 connected to the longitudinal screw guide module 13 is fixed to the bottom end of the driving top shell 3, and the output end of the longitudinal screw guide module 13 is slidably connected to a first assembly base plate 4.

[0023] A second assembly substrate 5 is mounted at the bottom of the first assembly substrate 4, a first motor 6 is mounted inside the second assembly substrate 5, a drill rod 8 is mounted at the bottom of the first motor 6, an electric telescopic rod 16 is welded to both sides of the bottom end of the frame 1, a hollow placement seat 10 for a circuit board is mounted on the top of the electric telescopic rod 16, and a compression screw 15 is threadedly connected to the middle position of both sides of the hollow placement seat 10 for the circuit board;

[0024] A dust box 2 is fixed to one end of the frame 1. A dust removal fan 20 is installed on the frame 1 at one end of the dust box 2. A filter tube 19 is installed between the input end of the dust removal fan 20 and the dust box 2. A dust collection pipe 18 is threadedly connected to one end of the hollow placement seat 10 of the dust box 2 near the circuit board.

[0025] When in use, the dust removal fan 20 is started and can exhaust the dust box 2 through the filter tube 19, which can generate negative pressure in the dust collection pipe 18 connected to the dust box 2, so that the debris generated during the drilling operation of the circuit board product placed on the hollow placement seat 10 for the circuit board can be automatically extracted, thereby realizing automatic dust removal protection, preventing dust from flying and polluting the environment and dust from accumulating at the processing position and affecting the drilling effect;

[0026] Positioning strips 9 are welded to both ends of the bottom of the first assembly substrate 4. The positioning strips 9 and the second assembly substrate 5 form an insert connection. Screws are provided between the positioning strips 9 and the second assembly substrate 5 to facilitate the positioning and disassembly of the first assembly substrate 4 and the second assembly substrate 5.

[0027] The output end of the first motor 6 is connected to a fixing cylinder 7, and a snap connection is formed between the drill rod 8 and the fixing cylinder 7. Screws are evenly arranged between the top of the drill rod 8 and the fixing cylinder 7, making it easy to realize the independent disassembly and maintenance of the drill rod 8;

[0028] The four corners of the bottom of the hollow placement seat 10 for the circuit board are welded with limit slide bars 17. The limit slide bars 17 and the frame 1 form a sliding connection, which improves the stability of the hollow placement seat 10 for the circuit board when it moves up and down;

[0029] The output end of the electric telescopic rod 16 and the hollow placement seat 10 for the circuit board are connected by screws to form a disassembly and installation structure;

[0030] The compression screw 15 extends longitudinally to the interior of the hollow placement seat 10 for the circuit board, and a non-slip rubber layer is provided on one side of the compression screw 15;

[0031] The dust removal fan 20 and the dust collecting box 2 both form a disassembly and installation structure between the flange and the filter tube 19, making it easy to independently disassemble and maintain the filter tube 19.

[0032] When the embodiment of the present application is in use: an external power supply and a control device are connected to drive the second motor 12 inside the top shell 3 to start, and cooperate with the transmission effect of the horizontal screw guide module 11 connected thereto, so as to drive the use position of the drill rod 8 to adjust the horizontal and horizontal orientation. At the same time, the third motor 14 is started, and cooperates with the transmission effect of the longitudinal screw guide module 13 connected thereto, so as to drive the use position of the drill rod 8 to adjust the horizontal and longitudinal orientation. As a result, the device can realize the automatic and flexible adjustment of the drill rod 8 on the horizontal plane for different drilling points of the circuit board to be processed, which is conducive to the realization of continuous multi-position drilling processing and improves work efficiency. During the actual drilling operation, the user places the circuit board product to be processed inside the hollow placement seat 10 for the circuit board, and rotates the circuit board. The compression screws 15 threadedly connected on both sides of the hollow placement seat 10 press and fix the circuit board product. At this time, the first motor 6 starts to drive the drill rod 8 to rotate, and the electric telescopic rod 16 starts to drive the hollow placement seat 10 for the circuit board and the circuit board product fixed therein to move upward toward the drill rod 8 to achieve better automated drilling processing. At the same time, the dust removal fan 20 is started and the dust box 2 can be exhausted through the filter tube 19, which can generate negative pressure in the dust collection pipe 18 connected to the dust box 2, so that the debris generated during the drilling operation of the circuit board product placed on the hollow placement seat 10 for the circuit board can be automatically extracted, thereby enabling the device to achieve automated dust removal protection, avoid dust flying to pollute the environment, and prevent dust from accumulating at the processing position and affecting the drilling effect.

Claims

1. A high-precision drilling device for circuit boards, characterized in that: The invention comprises a frame (1) and an electric telescopic rod (16), wherein a driving top shell (3) is welded to the top of the frame (1), a second motor (12) is evenly installed on the top of the driving top shell (3), one end of the second motor (12) is connected to a transverse screw guide module (11), the output end of the transverse screw guide module (11) is slidably connected to a longitudinal screw guide module (13), a third motor (14) connected to the longitudinal screw guide module (13) is fixed to the bottom end of the driving top shell (3), the output end of the longitudinal screw guide module (13) is slidably connected to a first assembly substrate (4), a second assembly substrate (5) is installed at the bottom of the first assembly substrate (4), and the interior of the second assembly substrate (5) is installed A first motor (6) is provided, a drill rod (8) is installed at the bottom of the first motor (6), the electric telescopic rod (16) is welded to both sides of the bottom end of the frame (1) in sequence, a hollow placement seat (10) for a circuit board is installed at the top of the electric telescopic rod (16), and the middle positions of both sides of the hollow placement seat (10) for the circuit board are threadedly connected with a compression screw (15), a dust box (2) is fixed at one end of the frame (1), a dust removal fan (20) is installed on the frame (1) at one end of the dust box (2), a filter tube (19) is installed between the input end of the dust removal fan (20) and the dust box (2), and a dust collection pipe (18) is threadedly connected to one end of the dust box (2) close to the hollow placement seat (10) for the circuit board.

2. A high-precision drilling device for circuit boards according to claim 1, characterized in that: Positioning strips (9) are welded to both ends of the bottom of the first assembly substrate (4), and a plug-in connection is formed between the positioning strips (9) and the second assembly substrate (5), and screws are provided between the positioning strips (9) and the second assembly substrate (5).

3. The high-precision drilling device for circuit boards according to claim 1, characterized in that: The output end of the first motor (6) is connected to a fixing cylinder (7), a snap-fit ​​connection is formed between the drill rod (8) and the fixing cylinder (7), and screws are evenly arranged between the top of the drill rod (8) and the fixing cylinder (7).

4. The high-precision drilling device for circuit boards according to claim 1, characterized in that: The four corners of the bottom of the hollow placement seat (10) for the circuit board are all welded with limiting slide bars (17), and a sliding connection is formed between the limiting slide bars (17) and the frame (1).

5. The high-precision drilling device for circuit boards according to claim 1, characterized in that: A disassembly and installation structure is formed between the output end of the electric telescopic rod (16) and the hollow placement seat (10) for the circuit board via screws.

6. The high-precision drilling device for circuit boards according to claim 1, characterized in that: The pressing screw (15) extends longitudinally to the interior of the hollow placement seat (10) for the circuit board, and a non-slip rubber layer is provided on one side of the pressing screw (15).

7. The high-precision drilling device for circuit boards according to claim 1, characterized in that: The dust removal fan (20) and the dust collecting box (2) both form a disassembly and installation structure between the flange and the filter tube (19).

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