Polishing device for circuit board processing

Abstract

The utility model relates to the technical field of circuit board polishing devices, and discloses a polishing device for circuit board processing, which comprises a rack, a dust removal box is fixedly arranged on the rack, an electromagnet plate is fixedly arranged on the upper end face of the dust removal box, and the electromagnet plate is fixedly arranged on the lower end face of the dust removal box. The electromagnet plate is controlled by an electromagnet plate switch fixed to the side edge of the dust removal box, at least four angle irons are further arranged and used for being matched with the electromagnet plate in a magnetic attraction mode, a top frame is fixedly arranged at the upper end of the rack, and a driving motor is fixedly arranged on the top frame; a rotating shaft of the driving motor extends downwards, and a grinding disc used for grinding is fixedly arranged at the lower end of the rotating shaft of the driving motor. According to the circuit board grinding and clamping device, grinding and clamping are simple, the position of the circuit board can be locked by abutting the angle iron against the four corners of the circuit board and starting the electromagnet plate to magnetically attract the angle iron, the circuit board can be taken out by moving the grinding disc upwards and closing the electromagnet plate, and grinding particles can be treated in a centralized mode.

Description

Technical Field

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

[0002] The existing patent publication number CN211589646U discloses a circuit board polishing device, which relates to the field of polishing equipment, including a support column, a suction cup fixedly connected to the top of the support column, a first through hole opened in the middle of the suction cup, a connecting cavity opened inside the support column, a connecting plate fixedly connected to one side of the support column, a bellows fixedly connected to one side of the connecting plate, a pressing plate fixedly connected to one side of the bellows, a spring arranged inside the bellows, and a second through hole opened in the middle of the pressing plate. A connecting plate is fixedly sleeved on one side of the inner wall of the second through hole, an air hole is opened in the middle of the connecting plate, and a sealing ball is movably clamped in the inner cavity of the air hole. The utility model utilizes a setting method in which the suction cup and the bellows are matched to fix the copper plate placed on the suction cup by adsorbing it, so that the surface of the copper plate to be polished is fully exposed, so that there will be no obvious omissions when the surface of the copper plate is polished, and the polishing accuracy of the copper plate is further improved;

[0003] However, the grinding waste cannot be processed centrally and the clamping stability is poor. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in order to overcome the above problems, a grinding device for circuit board processing is provided, which solves the above problems.

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] A grinding device for circuit board processing includes a frame, a dust removal box is fixed on the frame, an electromagnet plate is fixed on the upper end surface of the dust removal box, the electromagnet plate is controlled by an electromagnet plate switch fixed on the side of the dust removal box, and at least four angle irons are provided for magnetically cooperating with the electromagnet plate. A top frame is fixed on the upper end of the frame, a drive motor is fixed on the top frame, the shaft of the drive motor extends downward, and a grinding disc is fixed at the lower end of the shaft of the drive motor for grinding.

[0007] Preferably, a dust collection side seam connected to the side of the electromagnet plate is provided on the side of the upper end surface of the dust removal box, a fan for exhausting air downward is fixedly provided on the lower end surface of the dust removal box, and a plurality of filters are provided at intervals in the dust removal box for filtering waste chips. After the fan draws air, negative pressure is formed at the dust collection side seam, thereby sucking away the grinding chips on the surface of the electromagnet plate.

[0008] Preferably, a cross hole is provided in the driving spindle and a cross shaft is inserted and slidably installed in the cross hole up and down, an upper ring is fixedly provided on the outside of the driving spindle, a lower ring is fixedly provided at the lower end of the cross shaft, a spring is provided between the lower ring and the upper ring, and the grinding disc is fixed on the lower end of the cross shaft.

[0009] Preferably, a threaded shaft is provided at the upper end of the grinding disc for connection with the lower end of the cross shaft, so as to facilitate disassembly and replacement.

[0010] Preferably, the thickness of the angle iron is smaller than the thickness of the circuit board.

[0011] Preferably, a metal protective net is fixed on the lower end surface of the fan by bolts, which can effectively improve safety.

[0012] The advantages and positive effects of the utility model are: the grinding and clamping are simple, the position of the circuit board can be locked by pressing the angle iron against the four corners of the circuit board and starting the electromagnet plate to magnetically attract the angle iron, and the circuit board can be taken out by moving the grinding disc up and turning off the electromagnet plate, which is convenient and quick, and the grinding particles can be processed centrally. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 Schematic diagram of the structure.

[0016] The marks in the accompanying drawings are described as follows: 10, driving motor; 11, top frame; 12, driving spindle; 13, dust removal box; 14, angle iron; 15, grinding disc; 16, electromagnetic plate switch; 17, upper ring; 18, cross shaft; 19, lower ring; 20, spring; 21, frame; 22, fan; 23, metal protective net; 24, electromagnetic plate; 25, dust suction side seam. DETAILED DESCRIPTION

[0017] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0018] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0019] like Figure 1-2As shown, a grinding device for circuit board processing described in the utility model includes a frame 21, a dust removal box 13 is fixedly provided on the frame 21, an electromagnet plate 24 is fixedly provided on the upper end surface of the dust removal box 13, the electromagnet plate 24 is controlled by an electromagnet plate switch 16 fixed on the side of the dust removal box 13, and at least four angle irons 14 are provided for magnetically cooperating with the electromagnet plate 24, a top frame 11 is fixedly provided at the upper end of the frame 21, a drive motor 10 is fixedly provided on the top frame 11, the shaft of the drive motor 10 extends downward and a grinding disc 15 is fixedly provided at the lower end of the shaft of the drive motor 10 for grinding.

[0020] Preferably, a dust collecting side seam 25 connected with the side of the electromagnet plate 24 is provided on the side of the upper end surface of the dust collecting box 13, a fan 22 for exhausting air downward is fixedly provided on the lower end surface of the dust collecting box 13, and a plurality of filters are provided at intervals in the dust collecting box 13 for filtering waste chips. After the fan 22 draws air, a negative pressure is formed at the dust collecting side seam 25, thereby sucking away the grinding chips on the surface of the electromagnet plate 24.

[0021] Preferably, a cross hole is provided in the driving spindle 12 and a cross shaft 18 is inserted and slidably installed in the cross hole. An upper ring 17 is fixedly provided on the outside of the driving spindle 12, a lower ring 19 is fixedly provided at the lower end of the cross shaft 18, a spring 20 is provided between the lower ring 19 and the upper ring 17, and the grinding disc 15 is fixed at the lower end of the cross shaft 18.

[0022] Preferably, the upper end of the grinding disc 15 is provided with a threaded shaft for connecting with the lower end of the cross shaft 18 to facilitate disassembly and replacement.

[0023] Preferably, the thickness of the angle iron 14 is smaller than the thickness of the circuit board.

[0024] Preferably, a metal protective net 23 is fixed on the lower end surface of the fan 22 by bolts, which can effectively improve safety.

[0025] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A grinding device for processing a circuit board, comprising a frame (21), characterized in that: A dust removal box (13) is fixedly provided on the frame (21), an electromagnet plate (24) is fixedly provided on the upper end surface of the dust removal box (13), the electromagnet plate (24) is controlled by an electromagnet plate switch (16) fixed on the side of the dust removal box (13), and at least four angle irons (14) are provided for magnetically cooperating with the electromagnet plate (24). A top frame (11) is fixedly provided on the upper end of the frame (21), a driving motor (10) is fixedly provided on the top frame (11), the rotating shaft of the driving motor (10) extends downward, and a grinding disc (15) is fixedly provided at the lower end of the rotating shaft of the driving motor (10) for grinding.

2. A grinding device for circuit board processing according to claim 1, characterized in that: A dust collecting side seam (25) connected to the side of the electromagnet plate (24) is provided on the side of the upper end surface of the dust collecting box (13); a fan (22) for exhausting air downward is fixedly provided on the lower end surface of the dust collecting box (13); and a plurality of filter screens are provided at intervals in the dust collecting box (13) for filtering waste chips. After the fan (22) exhausts air, negative pressure is formed at the dust collecting side seam (25), thereby sucking away the grinding chips on the surface of the electromagnet plate (24).

3. A grinding device for circuit board processing according to claim 2, characterized in that: A driving motor (10) is provided with a driving spindle (12), a cross hole is provided in the driving spindle (12), and a cross plug shaft (18) is inserted and slidably mounted in the cross hole, an upper ring (17) is fixedly provided outside the driving spindle (12), a lower ring (19) is fixedly provided at the lower end of the cross plug shaft (18), a spring (20) is provided between the lower ring (19) and the upper ring (17), and the grinding disc (15) is fixed at the lower end of the cross plug shaft (18).

4. A grinding device for circuit board processing according to claim 3, characterized in that: The upper end of the grinding disc (15) is provided with a threaded shaft for connecting with the lower end of the cross plug shaft (18), so as to facilitate disassembly and replacement.

5. A grinding device for circuit board processing according to claim 4, characterized in that: The thickness of the angle iron (14) is smaller than the thickness of the circuit board.

6. A grinding device for circuit board processing according to claim 5, characterized in that: A metal protection net (23) is fixed on the lower end surface of the fan (22) by means of bolts, which can effectively improve safety.

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