Edge grinding device for PCB (Printed Circuit Board)

Abstract

The utility model discloses an edging device of PCB circuit board relates to PCB circuit board processing technical field, including work box, be equipped with dust removal subassembly and edging subassembly on the work box, dust removal subassembly includes a plurality of blowing nozzle and negative pressure chamber, edging subassembly is provided inside work box, the edging subassembly is equipped with the negative pressure chamber, the negative pressure chamber is equipped with the negative pressure chamber, and the dust removal subassembly is equipped with the negative pressure chamber. And the multiple air blowing nozzles are movably arranged in the working box body, and the multiple air blowing nozzles are evenly distributed on the periphery of the edge grinding assembly. By arranging the blowing nozzle and the negative pressure chamber, during use, the clamping part in the edge grinding assembly is used for limiting and fixing the PCB, and then the edge grinding part in the edge grinding assembly is used for carrying out edge grinding treatment on the clamped PCB. After edge grinding is completed, the multiple air blowing nozzles can be used for conducting air blowing treatment on the machined PCB; the negative pressure chamber generates negative pressure to adsorb and collect generated waste chips and dust, so that the waste chips and the dust do not escape to protect the body of a worker.

Description

Technical Field

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

[0002] PCB board, Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component, and also the carrier of point-in components, and is widely used in many fields. In the production process of PCB board, it is necessary to use edge grinding machine to process and grind the side edge of the board.

[0003] The Chinese utility model with publication number CN213054040U proposes a PCB circuit board edge grinding device, including a circuit board, wherein there are several circuit boards, which are stacked above a rotating device, the upper end surface of the circuit board is in contact with a fixing device up and down, and the side end surface of the circuit board is in contact with the edge grinding device up and down, the rotating device comprises a support block and a rotating shaft I, a motor is arranged inside the bottom end of the support block, and the motor drives the rotating shaft I to rotate, the edge grinding device comprises a universal coupling, a rotating block, a first connecting rod, a slide groove, a slider and a knife edge, the upper end of the rotating shaft I is rotatably connected to one end of the universal coupling, the other end of the universal coupling is rotatably connected to one end of the rotating shaft III, and the other end of the rotating shaft III is rotatably connected to the rotating block, the rotating block is contacted and connected inside the middle end of the first connecting rod, one end of the first connecting rod is rotatably connected to the side end surface of the support block by a pin, and the other end of the first connecting rod is contacted and connected to the connecting column of the side wall of the slider, the slider is slidably connected inside the slide groove, the slide groove penetrates the side wall of the support block along the length direction, and the bottom end surface of the slider is fixedly connected to the knife edge.

[0004] However, the prior art still has shortcomings: in the process of edge grinding using the prior art edge grinding device, waste chips and dust are easily generated. Since the edge grinding device is not equipped with a dust removal component, the waste chips and dust generated during the edge grinding process will spread everywhere, affecting the health of the workers.

[0005] Therefore, we propose an edge grinding device for a PCB circuit board. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a PCB circuit board edge grinding device, which solves the problem that waste chips and dust are easily generated during the edge grinding process of the prior art edge grinding device. Since the edge grinding device is not provided with a dust removal component, the waste chips and dust generated during the edge grinding process will spread everywhere, affecting the health of the workers.

[0007] To achieve the above-mentioned purpose, the utility model proposes a PCB circuit board edge grinding device, comprising a working box, on which a dust removal component and an edge grinding component are arranged, wherein:

[0008] The dust removal assembly includes a plurality of air blowing nozzles and a negative pressure chamber; the edge grinding assembly is arranged inside a working box; the plurality of air blowing nozzles are movably arranged inside the working box, and the plurality of air blowing nozzles are evenly distributed around the edge grinding assembly; the negative pressure chamber is arranged inside the working box, and the negative pressure chamber is arranged below the edge grinding assembly.

[0009] As a further solution of the utility model: a plurality of mounting rods are fixedly arranged inside the working box body, two movable blocks are slidably arranged on the mounting rods, a plurality of blowing nozzles are evenly distributed on the plurality of movable blocks, a driving member is fixedly arranged on the side wall of the working box body, two connecting rods are movably arranged at the output end of the driving member, the two connecting rods are respectively arranged in one-to-one correspondence with the two movable blocks on the mounting rods, and the two connecting rods are respectively movably arranged with the corresponding movable blocks.

[0010] As a further solution of the utility model: the driving member is configured as a hydraulic cylinder or a pneumatic cylinder.

[0011] As a further solution of the utility model: a buffer spring fixedly connected to the moving block is fixedly arranged on the mounting rod.

[0012] As a further solution of the utility model: a negative pressure box body is fixedly arranged at the bottom of the working box body, the negative pressure chamber is formed inside the negative pressure box body, and a plurality of negative pressure through holes are arranged on the negative pressure box body.

[0013] As a further solution of the utility model: a filter screen is fixedly provided on an inner wall of one side of the negative pressure box body, and a negative pressure device connected thereto is provided on the side wall of the negative pressure box body.

[0014] As a further solution of the utility model: the edge grinding assembly includes two vertical rods, each of the two vertical rods is provided with an electric telescopic rod, and a storage plate is fixedly provided on the piston rods of the two electric telescopic rods, and an edge grinding machine is provided on the storage plate, and a clamp for clamping a PCB circuit board is provided on the two vertical rods below the edge grinding machine.

[0015] As a further solution of the utility model: the clamp includes a driving motor, and the output shaft of the driving motor is fixedly arranged on a suction cup for adsorbing the PCB circuit board.

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

[0017] By setting the air blowing nozzle and the negative pressure chamber, when in use, the clamping part in the edge grinding assembly is used to first limit and fix the PCB circuit board, and then the edge grinding part in the edge grinding assembly is used to grind the clamped PCB circuit board. After the edge grinding is completed, multiple air blowing nozzles can be used to blow air on the processed PCB circuit board. At the same time, the negative pressure chamber generates negative pressure to absorb and collect waste chips and dust generated during the processing, so that the waste chips and dust will not escape during the processing and protect the workers' bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of the utility model;

[0019] Figure 2 for Figure 1 A is an enlarged structural diagram;

[0020] Figure 3 This is a front view structural diagram of the driving member and the connecting rod in the utility model;

[0021] Figure 4 It is a front view structural diagram of the vertical rod and the edge grinding machine in the utility model.

[0022] In the figure: 1. working box; 2. blowing nozzle; 3. negative pressure chamber; 4. mounting rod; 5. moving block; 6. driving member; 7. connecting rod; 8. buffer spring; 9. negative pressure through hole; 10. filter screen; 11. negative pressure equipment; 12. vertical rod; 13. electric telescopic rod; 14. storage board; 15. edge grinder; 16. driving motor; 17. suction cup. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0024] like Figure 1-Figure 4 As shown, a PCB circuit board edge grinding device comprises: a working box 1, on which a dust removal component and an edge grinding component are arranged, wherein:

[0025] The dust removal assembly includes multiple air blowing nozzles 2 and a negative pressure chamber 3. The edge grinding assembly is arranged inside the working box 1. The multiple air blowing nozzles 2 are movably arranged inside the working box 1, and the multiple air blowing nozzles 2 are evenly distributed around the edge grinding assembly; the negative pressure chamber 3 is arranged inside the working box 1, and the negative pressure chamber 3 is arranged at the lower position of the edge grinding assembly.

[0026] When in use, the clamping part of the edge grinding assembly is used to first limit and fix the PCB circuit board, and then the edge grinding part of the edge grinding assembly is used to grind the clamped PCB circuit board. After the edge grinding is completed, the processed PCB circuit board can be blown by multiple air nozzles 2. At the same time, the negative pressure chamber 3 generates negative pressure to absorb and collect waste chips and dust generated during the processing, so that the waste chips and dust will not escape during the processing and protect the body of the workers.

[0027] like Figure 2 As shown, specifically, for the setting of multiple blowing nozzles 2, multiple mounting rods 4 can be fixedly arranged inside the working box 1, two moving blocks 5 are slidably arranged on the mounting rods 4, and multiple blowing nozzles 2 are evenly arranged on the multiple moving blocks 5. A driving member 6 is fixedly arranged on the side wall of the working box 1, and two connecting rods 7 are movably arranged at the output end of the driving member 6. The two connecting rods 7 are respectively arranged in a one-to-one correspondence with the two moving blocks 5 on the mounting rods 4, and the two connecting rods 7 are respectively movably arranged with the corresponding moving blocks 5. The position of the corresponding blowing nozzle 2 can be adjusted by the driving member 6, thereby realizing a large-scale blowing treatment during the processing of the PCB circuit board, with a good blowing effect, which is convenient for the subsequent adsorption and collection of waste chips and dust by the negative pressure chamber 3.

[0028] like Figure 3 As shown, preferably, the driving member 6 can be set as a hydraulic cylinder or a pneumatic cylinder, or can be set as other conventional technical means in the prior art, as long as it can realize the function of adjusting the position of the blowing nozzle 2. At the same time, in order to ensure the stable movement of the blowing nozzle 2, a buffer spring 8 fixedly connected to the moving block 5 can be fixedly arranged on the mounting rod 4.

[0029] Regarding the setting of the above-mentioned medium negative pressure chamber 3, a negative pressure box is fixedly set at the bottom of the working box 1, and the negative pressure chamber 3 is formed inside the negative pressure box, and a plurality of negative pressure through holes 9 are set on the negative pressure box. A filter screen 10 is fixedly set on the inner wall of one side of the negative pressure box, and a negative pressure device 11 connected thereto is set on the side wall of the negative pressure box. Negative pressure can be generated in the negative pressure chamber 3 through the negative pressure device 11, and then the waste chips and dust generated during the processing can be adsorbed through the negative pressure through holes 9. By setting the filter screen 10, large particles of debris can be blocked by the filter screen 10 to prevent damage to the negative pressure device 11.

[0030] like Figure 1 and Figure 4As shown, for the setting of the above-mentioned edge grinding assembly, the edge grinding assembly includes two vertical rods 12, and the two vertical rods 12 are both provided with electric telescopic rods 13, and the piston rods of the two electric telescopic rods 13 are fixedly provided with a storage plate 14, and the storage plate 14 is provided with an edge grinding machine 15, and the two vertical rods 12 are located below the edge grinding machine 15 and are provided with a clamp for clamping the PCB circuit board. The clamp includes a driving motor 16, and the output shaft of the driving motor 16 is fixedly provided with a suction cup 17 for adsorbing the PCB circuit board. The suction cup 17 can be used to adsorb and fix the PCB circuit board to be processed, and then the driving motor 16 is used to drive the PCB circuit board to rotate, and then the electric telescopic rod 13 is used to drive the edge grinding machine 15 to move downward, so that the edge grinding machine 15 performs edge grinding on the PCB circuit board.

[0031] It should be noted that the setting of the edge grinding component in this embodiment is not limited to the setting of the driving motor 16 and the edge grinding machine 15, etc. The edge grinding component can also be set to conventional technical means in the prior art, as long as the edge grinding component can realize the edge grinding function of the PCB circuit board.

[0032] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, as well as a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] 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 circuit board edge grinding device, characterized in that: It comprises a working box (1), on which a dust removal component and an edge grinding component are arranged, wherein: The dust removal component comprises a plurality of air blowing nozzles (2) and a negative pressure chamber (3); the edge grinding component is arranged inside a working box (1); the plurality of air blowing nozzles (2) are movably arranged inside the working box (1), and the plurality of air blowing nozzles (2) are evenly distributed around the edge grinding component; the negative pressure chamber (3) is arranged inside the working box (1), and the negative pressure chamber (3) is arranged below the edge grinding component.

2. The PCB circuit board edge grinding device according to claim 1, characterized in that: A plurality of mounting rods (4) are fixedly arranged inside the working box (1), two moving blocks (5) are slidably arranged on the mounting rods (4), a plurality of air blowing nozzles (2) are evenly arranged on the plurality of moving blocks (5), a driving member (6) is fixedly arranged on the side wall of the working box (1), two connecting rods (7) are movably arranged at the output end of the driving member (6), the two connecting rods (7) are respectively arranged in one-to-one correspondence with the two moving blocks (5) on the mounting rods (4), and the two connecting rods (7) are respectively movably arranged with the corresponding moving blocks (5).

3. The PCB circuit board edge grinding device according to claim 2, characterized in that: The driving member (6) is configured as a hydraulic cylinder or a pneumatic cylinder.

4. The PCB circuit board edge grinding device according to claim 2, characterized in that: A buffer spring (8) fixedly connected to the moving block (5) is fixedly arranged on the mounting rod (4).

5. A PCB circuit board edge grinding device according to any one of claims 1-4, characterized in that: A negative pressure box is fixedly arranged at the bottom of the working box (1), the negative pressure chamber (3) is formed inside the negative pressure box, and a plurality of negative pressure through holes (9) are arranged on the negative pressure box.

6. The PCB circuit board edge grinding device according to claim 5, characterized in that: A filter screen (10) is fixedly arranged on one inner wall of the negative pressure box, and a negative pressure device (11) communicating with the side wall of the negative pressure box is arranged on the side wall of the negative pressure box.

7. The PCB circuit board edge grinding device according to claim 1, characterized in that: The edge grinding assembly comprises two vertical rods (12), each of the two vertical rods (12) is provided with an electric telescopic rod (13), and a storage plate (14) is fixedly provided on the piston rods of the two electric telescopic rods (13), an edge grinding machine (15) is provided on the storage plate (14), and a clamp for clamping a PCB circuit board is provided below the two vertical rods (12) and the edge grinding machine (15).

8. The PCB circuit board edge grinding device according to claim 7, characterized in that: The clamp comprises a driving motor (16), and an output shaft of the driving motor (16) is fixedly provided with a suction cup (17) for adsorbing a PCB circuit board.

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