Micro-drill high-precision hole location positioning mechanism

Abstract

The utility model belongs to the technical field of circuit board processing, and particularly relates to a micro-drill high-precision hole location positioning mechanism which comprises a base, a placing seat and a positioning mechanism are arranged on the upper surface of the base, and a bracket used for supporting a circuit board is fixedly arranged on the upper surface of the placing seat. And a plurality of through grooves are formed in the upper surface of the placement seat and are arranged in the gaps of the bracket in a sleeving manner. According to the utility model, the positioning mechanism is correspondingly arranged above the placing seat, and the position of the micro-drilling machine can be accurately adjusted by utilizing the motor I, the screw I, the nut I, the motor II, the screw II and the nut II in the positioning mechanism in the drilling process, so that the micro-drilling machine accurately corresponds to a target hole site on a PCB (Printed Circuit Board); the PCB machining precision of the device is effectively improved, the yield of subsequent PCBs is guaranteed, in the drilling process, the pressing plates make contact with the PCBs on the two sides of the hole site to limit and fix the PCBs, and then the situation that the PCBs slide in the drilling process to affect the drilling effect is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board processing, and particularly relates to a micro-drill high-precision hole position positioning mechanism. Background Technique

[0002] PCB (Printed Circuit Board) is the abbreviation of printed circuit board. It is a basic component used to support and connect electronic components. As an essential part of modern electronic devices, the PCB provides a method to fix electronic components on a mechanical carrier and connect them through wires. Various printed circuit boards with different forms and functions are processed, etched, drilled, and copper-plated on copper-clad laminates to make different printed circuits. When processing circuit boards, drilling equipment is needed to drill holes at corresponding positions on the copper-clad laminate.

[0003] The existing drilling equipment for PCB boards is not convenient to adjust and position the position of the drill during operation, which easily causes deviation of the drilling position and affects the production accuracy of subsequent PCB boards. Moreover, the existing drilling equipment cannot handle the debris and dust generated during the drilling process, which easily pollutes the production environment. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a micro-drill high-precision hole position positioning mechanism, which can improve the drilling positioning accuracy and can handle the waste chips generated during the drilling process to reduce environmental pollution.

[0005] The technical solution adopted by the utility model is specifically as follows:

[0006] A micro-drill high-precision hole position positioning mechanism includes a base. A placement seat and a positioning mechanism are arranged on the upper surface of the base. A bracket for supporting the circuit board is fixedly arranged on the upper surface of the placement seat. A plurality of through grooves are formed on the upper surface of the placement seat, and the plurality of through grooves are all sleeved in the gaps of the bracket.

[0007] The front side of the placement seat is fixedly connected and communicated with the air inlet pipe of the fan. A filter screen is arranged at the rear end of the air inlet pipe of the fan. The input end of the fan is electrically connected to the output end of the controller.

[0008] The fan is fixedly connected to the base through a mounting seat. The controller is fixedly arranged on the upper surface of the base. A cleaning groove is formed at the right end of the placement seat, and a sealing plate is sleeved in the cleaning groove.

[0009] The positioning mechanism includes a first fixing frame. The bottom surface of the first fixing frame is fixedly connected to the upper surface of the base. The upper end of the first fixing frame is rotatably connected to the optical axis of the first screw through a rolling bearing.

[0010] The right end of the first screw is fixedly connected to the output shaft of the first motor. The first motor is fixedly connected to the right side surface of the first fixing frame through a mounting seat. The first screw is threadedly connected to the first nut, and the upper end of the first nut abuts against the inner side surface of the first fixing frame.

[0011] The bottom surface of the first nut is fixedly connected to the upper surface of the second fixing frame. The second fixing frame is rotatably connected to the optical axis of the second screw through a rolling bearing. The rear end of the second screw is fixedly connected to the output shaft of the second motor. The second motor is fixedly connected to the second fixing frame through a mounting seat.

[0012] The second screw is threadedly connected to the second nut. The bottom surface of the second nut is fixedly connected to the upper surface of the first fixing plate. The bottom surface of the first fixing plate is simultaneously fixedly connected to the upper ends of two electric push rods. The bottom ends of the two electric push rods are both fixedly connected to the upper surface of the second fixing plate.

[0013] A micro-drilling machine is fixedly arranged in the middle of the bottom surface of the second fixing plate. The micro-drilling machine, the two electric push rods, the first motor, and the input ends of the two second motors are all electrically connected to the output end of the controller.

[0014] The bottom surface of the second fixing plate is also simultaneously fixedly connected to the upper ends of two telescopic rods and two springs. The bottom ends of the two telescopic rods and the two springs are respectively fixedly connected to two pressing plates. The two springs are respectively sleeved on the two telescopic rods.

[0015] The technical effects achieved by the present utility model are as follows:

[0016] The present utility model is provided with...

[0017] The present utility model is provided with a positioning mechanism corresponding above the placement seat. During the drilling process, the position of the micro-drilling machine can be precisely adjusted by the first motor, the first screw, the first nut, the second motor, the second screw, and the second nut in the positioning mechanism, so that the micro-drilling machine accurately corresponds to the target hole position on the PCB board, thereby effectively improving the processing accuracy of the device for the PCB board, ensuring the yield rate of the subsequent PCB board, and during the drilling process, the pressing plate will contact the PCB board on both sides of the hole position to limit and fix the PCB board, thereby avoiding the sliding of the PCB board during the drilling process and affecting the drilling effect.

[0018] The present utility model is provided with a blower connected to the placement seat, and a bracket and a through groove are arranged on the placement seat. During the processing, the user can place the PCB board to be drilled on the bracket. At this time, the bracket makes a gap exist between the PCB board and the through groove. During the drilling process, the blower can be turned on to suck the debris and dust generated during the drilling process into the interior of the placement seat by the airflow of the blower, and the debris and dust are retained in the interior of the placement seat for collection by using a filter screen, thereby avoiding polluting the working environment during the drilling operation and affecting the health of production workers, and further increasing the functionality of the device. Brief Description of the Drawings

[0019] Figure 1 is a front view structural schematic diagram of the present utility model;

[0020] Figure 2 is a structural schematic diagram of the left view section of the placement seat in the present utility model;

[0021] Figure 3 is a structural schematic diagram of the positioning mechanism in the present utility model;

[0022] Figure 4 is a structural schematic diagram of the second fixing frame in the present utility model.

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] 1. Base; 2. Placement seat; 3. Fan; 4. Bracket; 5. Controller; 6. Positioning mechanism; 61. First fixing frame; 62. First screw; 63. First nut; 64. First motor; 65. First fixing plate; 66. Electric push rod; 67. Second fixing plate; 68. Pressing plate; 69. Micro drill; 610. Second fixing frame; 611. Second screw; 612. Second nut; 613. Second motor; 614. Telescopic rod; 615. Spring; 7. Filter screen; 8. Through groove. Detailed Description of the Preferred Embodiments

[0025] In order to make the objectives and advantages of the present utility model clearer, the present utility model will be specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementation manners of the present utility model, and does not strictly limit the specific protection scope claimed by the present utility model.

[0026] As Figures 1-4 shown, a micro-drill high-precision hole position positioning mechanism includes a base 1. A placement seat 2 and a positioning mechanism 6 are provided on the upper surface of the base 1. A bracket 4 for supporting a circuit board is fixedly provided on the upper surface of the placement seat 2. A plurality of through grooves 8 are formed on the upper surface of the placement seat 2, and the plurality of through grooves 8 are all sleeved in the gaps of the bracket 4;

[0027] The front side of the placement seat 2 is fixedly connected and communicated with the intake pipe of the fan 3. A filter screen 7 is provided at the rear end of the intake pipe of the fan 3. The input end of the fan 3 is electrically connected to the output end of the controller 5.

[0028] Further, the fan 3 is fixedly connected to the base 1 through a mounting seat, the controller 5 is fixedly arranged on the upper surface of the base 1, a cleaning groove is formed at the right end of the placing seat 2, and a sealing plate is sleeved in the cleaning groove. By arranging the connection between the fan 3 and the placing seat 2, and providing a bracket 4 and a through groove 8 on the placing seat 2, during the processing, the user can place the PCB board to be drilled on the bracket 4. At this time, a gap is formed between the PCB board and the through groove 8 by using the bracket 4. During the drilling process, the fan 3 can be turned on to suck the debris and dust generated during the drilling process into the interior of the placing seat 2 by the airflow of the fan 3, and the filter screen 7 is used to retain the debris and dust inside the placing seat 2 for collection, thereby avoiding polluting the working environment during the drilling operation and affecting the health of production workers.

[0029] Further, the positioning mechanism 6 includes a first fixing frame 61, the bottom surface of the first fixing frame 61 is fixedly connected to the upper surface of the base 1, and the upper end of the first fixing frame 61 is rotatably connected to the optical axis of the first screw 62 through a rolling bearing.

[0030] Further, the right end of the first screw 62 is fixedly connected to the output shaft of the first motor 64, the first motor 64 is fixedly connected to the right side surface of the first fixing frame 61 through a mounting seat, the first screw 62 is threadedly connected to the first nut 63, and the upper end of the first nut 63 is lapped on the inner side surface of the first fixing frame 61. During the drilling operation, the user controls the first motor 64 to work through the controller 5 to drive the first screw 62 to rotate. When the first screw 62 rotates, the left and right positions of the second fixing frame 610 and the micro-drilling machine 69 are adjusted through the first nut 63.

[0031] Further, the bottom surface of the first nut 63 is fixedly connected to the upper surface of the second fixing frame 610, the second fixing frame 610 is rotatably connected to the optical axis of the second screw 611 through a rolling bearing, the rear end of the second screw 611 is fixedly connected to the output shaft of the second motor 613, and the second motor 613 is fixedly connected to the second fixing frame 610 through a mounting seat.

[0032] Further, the second screw 611 is threadedly connected to the second nut 612, the bottom surface of the second nut 612 is fixedly connected to the upper surface of the first fixing plate 65, the bottom surface of the first fixing plate 65 is simultaneously fixedly connected to the upper ends of two electric push rods 66, and the bottom ends of the two electric push rods 66 are fixedly connected to the upper surface of the second fixing plate 67. The user can control the second motor 613 to work to adjust the front and rear positions of the micro-drilling machine 69 by using the second screw 611 and the second nut 612, so that the micro-drilling machine 69 accurately corresponds to the target hole position on the PCB board, thereby effectively improving the processing accuracy of the device for the PCB board and ensuring the yield rate of the subsequent PCB board.

[0033] Further, a micro-drilling machine 69 is fixedly arranged in the middle of the bottom surface of the second fixing plate 67, and the inputs of the micro-drilling machine 69, the two electric push rods 66, the first motor 64 and the two second motors 613 are electrically connected to the output end of the controller 5.

[0034] Furthermore, the bottom surface of the second fixing plate 67 is also fixedly connected to the upper ends of two telescopic rods 614 and two springs 615 at the same time. The bottom ends of the two telescopic rods 614 and the two springs 615 are respectively fixedly connected to two pressing plates 68. The two springs 615 are respectively sleeved on the two telescopic rods 614. The electric push rod 66 extends to push the micro-drilling machine 69 and the pressing plate 68 to descend. When the pressing plate 68 contacts the PCB board, the pressing plate 68 is used to tightly fix the PCB board. And as the electric push rod 66 continuously extends, the pressing plate 68 squeezes the springs 615 and the telescopic rods 614, thereby preventing the PCB board from sliding during the drilling process and affecting the drilling effect.

[0035] The working principle of the present utility model is as follows: When using this device to drill holes in the PCB board, the user can place the PCB board on the bracket 4. Then, the user controls the first motor 64 to work through the controller 5 to drive the first screw 62 to rotate. When the first screw 62 rotates, the left and right positions of the second fixing frame 610 and the micro-drilling machine 69 are adjusted through the first nut 63. And control the second motor 613 to work to adjust the front and rear positions of the micro-drilling machine 69 by using the second screw 611 and the second nut 612. After adjusting the micro-drilling machine 69 to correspond to the target hole position on the PCB board, stop the first motor 64 and the second motor 613 from working. Then, control the blower 3 and the micro-drilling machine 69 to work and control the electric push rod 66 to extend. The electric push rod 66 extends to push the micro-drilling machine 69 to descend. When the pressing plate 68 contacts the PCB board, the pressing plate 68 is used to tightly fix the PCB board. And as the electric push rod 66 continuously extends, the pressing plate 68 squeezes the springs 615 and the telescopic rods 614. When the micro-drilling machine 69 contacts the PCB board, drilling operations are performed. And the dust and debris generated during the drilling process are sucked into the interior of the placement seat 2 by the blower 3. After the drilling is completed, control the electric push rod 66 to contract to drive the micro-drilling machine 69 to rise away from the PCB board. Then, turn off the micro-drilling machine 69 and the blower 3. When it is necessary to clean the debris in the placement seat 2, the user can take out the sealing plate from the cleaning groove and use the cleaning groove to clean the interior of the placement seat 2.

[0036] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and retouches can be made. These improvements and retouches should also be regarded as the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specifically stated and limited, are implemented according to the conventional means in the art.

Claims

1. A micro-drilling high-precision hole positioning mechanism, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a placement seat (2) and a positioning mechanism (6); the upper surface of the placement seat (2) is fixedly provided with a bracket (4) for supporting a circuit board; the upper surface of the placement seat (2) is provided with a plurality of through slots (8), and the plurality of through slots (8) are all sleeved in the gap of the bracket (4); The front side of the placement seat (2) is fixedly connected to and communicates with the air inlet pipe of the fan (3); a filter (7) is provided at the rear end of the air inlet pipe of the fan (3); and the input end of the fan (3) is electrically connected to the output end of the controller (5).

2. A micro-drilling high-precision hole positioning mechanism according to claim 1, characterized in that: The fan (3) is fixedly connected to the base (1) via a mounting seat, the controller (5) is fixedly arranged on the upper surface of the base (1), and a cleaning groove is provided at the right end of the placement seat (2) and a sealing plate is sleeved in the cleaning groove.

3. A micro-drilling high-precision hole positioning mechanism according to claim 1, characterized in that: The positioning mechanism (6) comprises a fixing frame (61), the bottom surface of which is fixedly connected to the upper surface of the base (1), and the upper end of which is rotatably connected to the optical axis of a screw (62) via a rolling bearing.

4. A micro-drilling high-precision hole positioning mechanism according to claim 3, characterized in that: The right end of the screw rod 1 (62) is fixedly connected to the output shaft of the motor 1 (64), and the motor 1 (64) is fixedly connected to the right side surface of the fixing frame 1 (61) through a mounting seat. The screw rod 1 (62) is threadedly connected to the nut 1 (63), and the upper end of the nut 1 (63) overlaps the inner side surface of the fixing frame 1 (61).

5. A micro-drilling high-precision hole positioning mechanism according to claim 4, characterized in that: The bottom surface of the nut 1 (63) is fixedly connected to the upper surface of the fixing frame 2 (610); the fixing frame 2 (610) is rotatably connected to the optical axis of the screw 2 (611) via a rolling bearing; the rear end of the screw 2 (611) is fixedly connected to the output shaft of the motor 2 (613); and the motor 2 (613) is fixedly connected to the fixing frame 2 (610) via a mounting seat.

6. A micro-drilling high-precision hole positioning mechanism according to claim 5, characterized in that: The second screw rod (611) is threadedly connected to the second nut (612), the bottom surface of the second nut (612) is fixedly connected to the upper surface of the first fixing plate (65), the bottom surface of the first fixing plate (65) is also fixedly connected to the upper ends of the two electric push rods (66), and the bottom ends of the two electric push rods (66) are both fixedly connected to the upper surface of the second fixing plate (67).

7. A micro-drilling high-precision hole positioning mechanism according to claim 6, characterized in that: A micro-drill (69) is fixedly arranged in the middle of the bottom surface of the second fixed plate (67); the input ends of the micro-drill (69), the two electric push rods (66), the first motor (64) and the two second motors (613) are all electrically connected to the output end of the controller (5).

8. A micro-drilling high-precision hole positioning mechanism according to claim 7, characterized in that: The bottom surface of the second fixing plate (67) is also fixedly connected to the upper ends of the two telescopic rods (614) and the two springs (615), and the bottom ends of the two telescopic rods (614) and the two springs (615) are respectively fixedly connected to the two pressing plates (68), and the two springs (615) are respectively sleeved on the two telescopic rods (614).

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