Grinding bed for PCB (Printed Circuit Board) processing

Abstract

The utility model relates to the field of PCB (printed circuit board) processing, in particular to a grinding bed for PCB processing, which comprises a grinding bed body and a protective cover component, two groups of grinding working disc components are equidistantly arranged at the top of the grinding bed body, and faucet components are arranged at the top of the grinding bed body and positioned on one sides of the grinding working disc components. A grinding driving assembly is arranged in the middle of the top end of the grinding bed body. According to the PCB grinding device, the protective cover assembly covers the PCB when the grinding driving assembly grinds the PCB, splashed cuttings or fragments generated in the grinding process are shielded, part of the cuttings or fragments are collected in a centralized mode through the collecting frame body, and meanwhile the collecting frame body is detachable and can be detached and cleaned after being used for a period of time.

Description

Technical Field

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

[0002] The grinding machine for PCB board processing realizes precise grinding and polishing of the surface of the PCB board through its unique structure and working principle.

[0003] When the existing grinding machines for PCB board processing grind the PCB board, most of them will generate flying chips or fragments. At the same time, some grinding machines for PCB board processing use coolant when grinding the PCB board. The chips or fragments and impurities such as coolant splash into the inside of the grinding machine, which may cause wear of the machine parts. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to provide a grinding machine for PCB board processing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A grinding machine for PCB board processing includes a grinding machine body and a protective cover assembly. Two groups of grinding working disk assemblies are equidistantly arranged on the top of the grinding machine body, and faucet assemblies are arranged on one side of the top of the grinding machine body where the grinding working disk assemblies are located. A grinding drive assembly is arranged in the middle of the top end of the grinding machine body;

[0007] The protective cover assembly includes a fixed cover body and a collection frame body. A limit ring is slidably installed in the fixed cover body, and an annular movable cover body is installed at the bottom of the limit ring. A plurality of fixed screws are equidistantly installed in the collection frame body, and one end of the fixed screw passes through the fixed cover body and is screwed with a fastening nut.

[0008] In addition, a preferred structure is that the grinding drive assembly includes a fixed support seat, a fixed seat is installed on the top of the fixed support seat, a hydraulic rod is installed on one side inside the fixed seat, and the top extension end of the hydraulic rod is vertically connected to a grinding disk assembly.

[0009] In addition, a preferred structure is that the annular movable cover body is located outside the grinding working disk assembly, and an annular card slot is opened at the bottom inside the annular movable cover body, and the diameter of the annular card slot is the same as the outer diameter of the collection frame body.

[0010] In addition, a preferred structure is that through holes are opened at the top extension end of the hydraulic rod in the fixed cover body and the limit ring, and through holes are opened at the positions of the fixed screws in the fixed cover body and the limit ring.

[0011] In addition, a preferred structure is that a limiting groove is provided at the bottom of the annular movable cover body at the faucet assembly.

[0012] In addition, a preferred structure is that a plurality of fixed connection blocks are equidistantly arranged at the top of the fixed cover body, and one side of the fixed connection block is connected to the hydraulic rod.

[0013] The beneficial effects of the present utility model are as follows:

[0014] In the present utility model, when the grinding drive assembly grinds the PCB board, the protective cover assembly covers it to block the flying chips or fragments generated during the grinding process, and a part of the chips or fragments are centrally collected by the collection frame body. At the same time, the collection frame body is detachable and can be disassembled and cleaned after being used for a period of time. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of a grinding machine for PCB board processing proposed by the present utility model;

[0016] Figure 2 is a schematic structural diagram of the cross-section of the protective cover assembly Figure 1 ;

[0017] Figure 3 is a schematic structural diagram of the cross-section of the protective cover assembly Figure 2 。

[0018] In the figure: 1, grinding machine body; 11, grinding work disk assembly; 12, faucet assembly; 13, grinding drive assembly; 2, protective cover assembly; 21, fixed cover body; 22, annular movable cover body; 221, limiting ring; 23, fastening nut; 231, fixed screw; 24, fixed connection block; 25, collection frame body. Detailed Embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Refer to Figures 1-3, A grinding machine for PCB board processing, including a grinding machine body 1 and a protective cover assembly 2. Two groups of grinding work disk assemblies 11 are equidistantly arranged on the top of the grinding machine body 1, and faucet assemblies 12 are arranged on one side of the grinding work disk assemblies 11 on the top of the grinding machine body 1. A grinding drive assembly 13 is arranged in the middle of the top end of the grinding machine body 1. And, it should be noted that the specific structures, connection structures and working methods of the grinding machine body 1, the grinding work disk assemblies 11, the faucet assemblies 12 and the grinding drive assembly 13 are all existing technologies that have been publicly available on the market at present, and do not belong to the main technical problems to be solved in this technical solution. Therefore, they will not be elaborated in this utility model.

[0021] The protective cover assembly 2 includes a fixed cover body 21 and a collection frame body 25. A limit ring 221 is slidably installed in the fixed cover body 21, and an annular movable cover body 22 is installed at the bottom of the limit ring 221. A plurality of fixed screw rods 231 are equidistantly installed in the collection frame body 25, and one end of the fixed screw rod 231 passes through the fixed cover body 21 and is screwed with a fastening nut 23.

[0022] And, the grinding drive assembly 13 includes a fixed support base. A fixed seat is installed on the top of the fixed support base. A hydraulic rod is installed on one side inside the fixed seat, and the top extension end of the hydraulic rod is vertically downward connected with a grinding disk assembly.

[0023] And, the annular movable cover body 22 is located outside the grinding work disk assemblies 11, and an annular card slot is opened at the bottom inside the annular movable cover body 22, and the diameter of the annular card slot is the same as the outer diameter of the collection frame body 25.

[0024] At the same time, through holes are opened at the top extension end of the hydraulic rod in the fixed cover body 21 and the limit ring 221, and through holes are opened at the fixed screw rod 231 in the fixed cover body 21 and the limit ring 221.

[0025] At the same time, a limit groove is opened at the bottom of the annular movable cover body 22 at the faucet assembly 12.

[0026] Furthermore, a plurality of fixed connection blocks 24 are equidistantly arranged on the top of the fixed cover body 21, and one side of the fixed connection block 24 is connected with the hydraulic rod.

[0027] In this embodiment, the collection frame body 25 is moved upward under the action of the fixed screw rod 231 until it is located above the grinding work disk assemblies 11, and is tightened and fixed with the fastening nut 23. Then, the protective cover assembly 2 moves downward under its own weight, and the bottom of the protective cover assembly 2 is attached to the top of the grinding machine body 1.

[0028] Among them, when the grinding drive assembly 3 grinds the PCB board, the protective cover assembly 2 covers it to block the flying chips or debris generated during the grinding process, and the collecting frame 25 centrally collects some chips or debris. At the same time, the collecting frame 25 is detachable and can be disassembled and cleaned after being used for a period of time.

[0029] Among them, when the collecting frame 25 needs to be disassembled and cleaned, the annular movable cover 22 is moved into the fixed cover 21 under the action of the limiting ring 221, and after the fastening nut 23 is loosened, the collecting frame 25 can be disassembled and taken out for disassembly and cleaning.

[0030] In the present utility model, when the grinding drive assembly 3 grinds the PCB board, the protective cover assembly 2 covers it to block the flying chips or debris generated during the grinding process, and the collecting frame 25 centrally collects some chips or debris. At the same time, the collecting frame 25 is detachable and can be disassembled and cleaned after being used for a period of time.

[0031] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A grinding machine for PCB board processing, comprising a grinding machine body (1) and a protective cover assembly (2), characterized in that: Two groups of grinding work disc assemblies (11) are arranged at equal distances on the top of the grinding bed body (1), and a faucet assembly (12) is arranged on one side of the grinding work disc assembly (11) at the top of the grinding bed body (1), and a grinding drive assembly (13) is arranged in the middle of the top of the grinding bed body (1); The protective cover assembly (2) comprises a fixed cover body (21) and a collection frame (25); a limit ring (221) is slidably installed in the fixed cover body (21); an annular movable cover body (22) is installed at the bottom of the limit ring (221); a plurality of fixed screw rods (231) are installed at equal distances in the collection frame (25); one end of the fixed screw rod (231) passes through the fixed cover body (21) and is screwed with a fastening nut (23).

2. A grinding machine for PCB board processing according to claim 1, characterized in that: The grinding drive assembly (13) comprises a fixed support seat, a fixed seat is installed on the top of the fixed support seat, a hydraulic rod is installed on one side of the fixed seat, and the top extending end of the hydraulic rod is vertically connected to the grinding disc assembly downward.

3. The grinding machine for PCB board processing according to claim 1, characterized in that: The annular movable cover body (22) is located outside the grinding work disc assembly (11), and an annular groove is provided at the bottom of the annular movable cover body (22), and the diameter of the annular groove is consistent with the outer diameter of the collection frame body (25).

4. The grinding machine for PCB board processing according to claim 1, characterized in that: A through hole is provided in the fixed cover body (21) and the limiting ring (221) at the top extension end of the hydraulic rod, and a through hole is provided in the fixed cover body (21) and the limiting ring (221) at the fixed screw rod (231).

5. The grinding machine for PCB board processing according to claim 1, characterized in that: The bottom of the annular movable cover (22) is provided with a limiting groove at the faucet assembly (12).

6. The grinding machine for PCB board processing according to claim 1, characterized in that: A plurality of fixed connection blocks (24) are arranged at equal distances on the top of the fixed cover body (21), and one side of the fixed connection block (24) is connected to the hydraulic rod.

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