A PCB board surface automatic polishing device

Abstract

The utility model discloses an automatic grinding device for PCB board surface, which relates to the technical field of PCB board processing, including a processing box, a bearing assembly and a grinding assembly, wherein the bearing assembly includes a base and a connector, wherein the base is connected to the bottom of the processing box through the connector, and the distance between the base and the bottom of the processing box is adjustable, and a clamp for clamping the PCB board is arranged on the base. The utility model is provided with the clamp on the base through the arrangement of the bearing assembly, and the clamp on the base can clamp and limit the PCB board. Since the distance between the base in the bearing assembly and the processing box is adjustable, after placing different types of PCB boards on the clamp of the base, the PCB board can also move in the vertical direction, so as to adapt the position of the grinding disc, so that the top surface of the PCB board is in a state of conflict with the grinding disc, and the subsequent rotation of the grinding disc can grind the PCB board.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, in particular to an automatic grinding device for PCB board surface. Background Art

[0002] PCB circuit board is called printed circuit board and printed circuit board. It provides mechanical support for fixing and assembling various electronic components such as integrated circuits, realizes wiring and electrical connection or electrical insulation between various electronic components such as integrated circuits, and provides the required electrical characteristics.

[0003] After searching, the patent document (authorization announcement number is CN210650055U) discloses a circuit board substrate surface polishing device, including a frame, the frame is provided with a roller transmission mechanism, and a first polishing device and a second polishing device are respectively provided between the roller transmission mechanisms, the first polishing device is connected to a first vacuum adsorption device; the second polishing device is connected to a second vacuum adsorption device. The first polishing device includes a first polishing roller, and a frosting layer is provided on the surface of the first polishing roller; a first rotating shaft is symmetrically provided below the first polishing roller, and the first polishing roller is connected to a first driving device. The first rotating shaft, on the one hand, helps the substrate to conduct forward, and on the other hand, can resist the substrate to ensure full contact between the frosting layer and the substrate surface, thereby ensuring the polishing effect. A first compartment door is provided above the first polishing device to facilitate the replacement of the frosting layer.

[0004] When the above-mentioned polishing device is in use, the first polishing device and the second polishing device are sequentially arranged to ensure the polishing effect on both sides of the substrate surface, and the first vacuum adsorption device and the second vacuum adsorption device are arranged to adsorb debris while polishing to avoid the polishing debris remaining on the board surface and affecting the polishing effect. However, based on this roller conveying mechanism, the circuit boards that can be conveyed can only be of a specific type, that is, the polishing device can only perform polishing processing on a certain type of circuit boards, and the scope of application is small, and it is inconvenient to use.

[0005] Therefore, we propose a PCB board surface automatic polishing device to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The polishing device in the prior art can only perform polishing on certain types of circuit boards, and has a small scope of application. When other types of circuit boards need to be polished, a new polishing device needs to be replaced or adjusted, which is inconvenient to use.

[0008] (II) Technical solution

[0009] In order to solve the above problems, the utility model provides the following technical solutions:

[0010] A PCB board surface automatic polishing device comprises a processing box, a bearing assembly for bearing the PCB board, and a polishing assembly for polishing the PCB board, wherein:

[0011] The bearing assembly includes a base and a connecting piece, the base is connected to the bottom of the processing box through the connecting piece, and the distance between the base and the bottom of the processing box is adjustable, the base is provided with a clamp for clamping the PCB board, and the base is provided with a driving piece for driving the clamp to move horizontally;

[0012] The polishing assembly includes a polishing disc, which is arranged above the fixture and is used to polish the PCB board located on the fixture.

[0013] As a further solution of the utility model: the connecting member includes a telescopic rod, which is arranged between the base and the bottom of the processing box, and the two ends of the telescopic rod are fixedly connected to the base and the bottom of the processing box respectively.

[0014] As a further solution of the utility model: an adjusting spring is sleeved on the outside of the telescopic rod, and two ends of the adjusting spring are fixedly connected to the base and the bottom of the processing box respectively.

[0015] As a further solution of the utility model: the clamp includes two clamping plates, a slide groove is opened on the top of the base, the two clamping plates are movably arranged on the slide groove, and a clamping area is formed between the two clamping plates.

[0016] As a further solution of the utility model: the driving member includes an electric push rod, which is fixedly arranged on one side of the base, and the piston rod of the electric push rod is located inside the slide groove, and the bottoms of the two clamping plates are fixedly connected to the piston rod of the electric push rod.

[0017] As a further solution of the utility model: bolts are arranged on the two clamping plates, and when the PCB board is placed on the two clamping plates, the bolts are in conflict with the PCB board.

[0018] As a further solution of the utility model: it also includes an adsorption component, which includes a negative pressure air pipe, which is fixedly arranged inside the processing box, and is connected to the negative pressure air pipe along its length direction with multiple air nozzles, and the multiple air nozzles are all facing the clamp, and the negative pressure air pipe is connected to a hose, and one end of the hose extends outside the processing box.

[0019] As a further solution of the utility model: the grinding assembly also includes a rotating shaft, which is vertically arranged and rotatably installed inside the processing box. A power motor is fixedly installed inside the processing box, and the power motor is transmission-connected to the rotating shaft, and the grinding disc is arranged on the rotating shaft.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. Through the setting of the bearing assembly, the clamp on the base can clamp and limit the PCB board. Since the distance between the base in the bearing assembly and the processing box is adjustable, after placing different types of PCB boards on the clamp of the base, the PCB board can also move in the vertical direction to adapt to the position of the grinding disc, so that the top surface of the PCB board is in a state of conflict with the grinding disc, and the subsequent rotation of the grinding disc can grind the PCB board;

[0023] 2. Through the setting of the adsorption component, when the PCB board is polished with a grinding disc, the negative pressure air pipe and multiple air nozzles in the adsorption component can adsorb the dust generated during the polishing process to prevent the dust from spreading in the air and causing harm to the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0026] Figure 2 This is a schematic diagram of the overall structure of one type of clamp in the utility model;

[0027] Figure 3 It is another schematic diagram of the overall structure of the clamp in the utility model.

[0028] In the figure: 1. processing box; 2. base; 3. grinding disc; 4. telescopic rod; 5. adjustment spring; 6. clamping plate; 7. slide; 8. electric push rod; 9. bolt; 10. negative pressure air pipe; 11. air nozzle; 12. hose; 13. rotating shaft; 14. power motor; 15. PCB board. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] like Figure 1-Figure 2 As shown, a PCB board surface automatic polishing device includes a processing box 1, a bearing assembly for bearing a PCB board 15, and a polishing assembly for polishing the PCB board 15, wherein: when performing the polishing process, the PCB board 15 is carried by the bearing assembly, and due to the setting of the bearing assembly, different types of PCB boards 15 can be carried, and after the carrying is completed, the polishing assembly is used to polish the board surface of the PCB board 15. The utility model can carry and limit different types of PCB boards 15 through the setting of the bearing assembly, thereby realizing the polishing process of different types of PCB boards 15, and has a wide range of applications and is convenient to use.

[0031] Regarding the setting of the bearing assembly in the above, the bearing assembly includes a base 2 and a connector, the base 2 is connected to the bottom of the processing box 1 through the connector, and the distance between the base 2 and the bottom of the processing box 1 is adjustable, and a clamp for clamping the PCB board 15 is arranged on the base 2. When a thicker PCB board 15 is placed on the clamp, the base 2 can drive the PCB board 15 to move downward under the action of the connector, so as to facilitate the subsequent polishing; when a thinner PCB board 15 is placed on the clamp, the base 2 can drive the PCB board 15 to move upward under the action of the connector. Through the setting of the adjustable distance between the base 2 and the bottom of the processing box 1, the base 2 can adjust the height of the PCB board 15 after the clamp on the base 2 limits different types of PCB boards 15, so that the subsequent polishing assembly can perform polishing on its board surface.

[0032] Specifically, the connecting member includes a telescopic rod 4, which is arranged between the base 2 and the bottom of the processing box 1, and the two ends of the telescopic rod 4 are respectively fixedly connected to the base 2 and the bottom of the processing box 1. At the same time, an adjustment spring 5 is sleeved on the outside of the telescopic rod 4, and the two ends of the adjustment spring 5 are respectively fixedly connected to the base 2 and the bottom of the processing box 1. Figure 1 In the state shown, the PCB board 15 is placed on the fixture, and the adjustment spring 5 is in a compressed state. The polishing component is in conflict with the PCB board 15. Depending on the type of the PCB board 15 being polished, the compression state of the adjustment spring 5 will also be different.

[0033] like Figure 2-Figure 3As shown, for the setting of the clamp, the clamp includes two clamping plates 6, a slide slot 7 is provided on the top of the base 2, and the two clamping plates 6 are movably arranged on the slide slot 7, and a clamping area is formed between the two clamping plates 6, and the PCB board 15 can be accommodated in the clamping area. At the same time, in order to facilitate the clamping area to adapt to clamping and limiting different types of PCB boards 15, this embodiment proposes another clamp, specifically, bolts 9 can be provided on both clamping plates 6, and when the PCB board 15 is placed on the two clamping plates 6, the bolts 9 conflict with the PCB board 15.

[0034] Regarding the setting of the grinding assembly in the above, the grinding assembly includes a grinding disc 3 and a rotating shaft 13. The grinding disc 3 is arranged above the fixture, and the grinding disc 3 is used to grind the PCB board 15 located on the fixture. The rotating shaft 13 is arranged vertically and rotatably installed inside the processing box 1. A power motor 14 is fixedly arranged inside the processing box 1. The power motor 14 is connected to the rotating shaft 13 in a transmission manner, and the grinding disc 3 is arranged on the rotating shaft 13. By driving the rotating shaft 13 to rotate, the grinding disc 3 can be driven to rotate. Figure 1 In the state shown, the grinding disc 3 is in contact with the top of the PCB board 15 , and the rotation of the grinding disc 3 can grind the PCB board 15 .

[0035] When the PCB board 15 to be polished is large in area, in order for the polishing disc 3 to perform a full-scale polishing process on the PCB board 15, a driving member for driving the clamp to move horizontally can be provided on the base 2, and the movement of the clamp can drive the PCB board 15 to move, thereby performing a full-scale polishing process on the PCB board 15. Specifically, the driving member includes an electric push rod 8, which is fixedly arranged on one side of the base 2, and the piston rod of the electric push rod 8 is located inside the slide groove 7, and the bottoms of the two clamping plates 6 are fixedly connected to the piston rod of the electric push rod 8. The electric push rod 8 can drive the two clamping plates 6 to move together on the base 2, that is, the movement of the PCB board 15 is realized.

[0036] like Figure 1 As shown, in order to adsorb the dust generated during the grinding process, an adsorption component is also provided in this embodiment, and the adsorption component includes a negative pressure air pipe 10, and the negative pressure air pipe 10 is fixedly arranged inside the processing box 1, and the negative pressure air pipe 10 is connected with a plurality of air nozzles 11 along its length direction, and the plurality of air nozzles 11 are all facing the clamp, and the negative pressure air pipe 10 is connected with a hose 12, and one end of the hose 12 extends to the outside of the processing box 1, and the hose 12 is connected to an external negative pressure device.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A PCB board surface automatic polishing device, characterized in that: It comprises a processing box (1), a bearing assembly for bearing a PCB board (15), and a polishing assembly for polishing the PCB board (15), wherein: The bearing assembly comprises a base (2) and a connecting piece, the base (2) is connected to the bottom of the processing box (1) via the connecting piece, and the distance between the base (2) and the bottom of the processing box (1) is adjustable, the base (2) is provided with a clamp for clamping the PCB board (15), and the base (2) is provided with a driving piece for driving the clamp to move horizontally; The polishing assembly comprises a polishing disc (3), which is arranged above the clamp and is used to polish a PCB board (15) located on the clamp.

2. The automatic PCB surface polishing device according to claim 1, characterized in that: The connecting member comprises a telescopic rod (4), which is arranged between the base (2) and the bottom of the processing box (1), and the two ends of the telescopic rod (4) are respectively fixedly connected to the base (2) and the bottom of the processing box (1).

3. The automatic PCB surface polishing device according to claim 2, characterized in that: The telescopic rod (4) is sleeved with an adjusting spring (5), and the two ends of the adjusting spring (5) are respectively fixedly connected to the base (2) and the bottom of the processing box (1).

4. The automatic PCB surface polishing device according to claim 3, characterized in that: The clamp comprises two clamping plates (6), a slide groove (7) is provided on the top of the base (2), the two clamping plates (6) are movably arranged on the slide groove (7), and a clamping area is formed between the two clamping plates (6).

5. The automatic PCB surface polishing device according to claim 4, characterized in that: The driving member comprises an electric push rod (8), which is fixedly arranged on one side of the base (2), and the piston rod of the electric push rod (8) is located inside the slide groove (7), and the bottoms of the two clamping plates (6) are fixedly connected to the piston rod of the electric push rod (8).

6. The automatic PCB surface polishing device according to claim 5, characterized in that: Bolts (9) are provided on the two clamping plates (6), and when the PCB board (15) is placed on the two clamping plates (6), the bolts (9) and the PCB board (15) are in contact with each other.

7. A PCB surface automatic polishing device according to any one of claims 1-4, characterized in that: The invention also comprises an adsorption component, wherein the adsorption component comprises a negative pressure air pipe (10), wherein the negative pressure air pipe (10) is fixedly arranged inside the processing box (1), and a plurality of air nozzles (11) are connected to the negative pressure air pipe (10) along its length direction, and the plurality of air nozzles (11) are all facing the clamp, and a hose (12) is connected to the negative pressure air pipe (10), and one end of the hose (12) extends to the outside of the processing box (1).

8. The automatic PCB surface polishing device according to claim 7, characterized in that: The grinding assembly further comprises a rotating shaft (13), the rotating shaft (13) being arranged vertically and rotatably mounted inside the processing box (1), a power motor (14) being fixedly arranged inside the processing box (1), the power motor (14) being transmission-connected to the rotating shaft (13), and the grinding disc (3) being arranged on the rotating shaft (13).

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