Edge grinding device for circuit board processing

Abstract

The utility model relates to the technical field of circuit board machining, and discloses an edge grinding device for circuit board machining, a fixing device is composed of a stepping motor, a fixing ring, a placing plate, a fixing frame, an electric push rod, a shaft rod, a moving block, a lower pressing plate, a first spring, a mounting cylinder and a second spring, the fixing ring is fixedly installed on an output shaft of the stepping motor, and the placing plate is fixedly installed outside the fixing ring. According to the edge grinding device for circuit board machining, a circuit board is placed on the surface of a containing plate, an electric push rod is started, a mounting cylinder enters a cross-shaped groove, a lower pressing plate can be limited, after one face of the circuit board is ground, the electric push rod is started, the mounting cylinder enters an annular groove, a stepping motor is driven, and the circuit board is ground. And the steps are repeated until the side face of the circuit board is polished, use is convenient, and practicability is high.

Description

Technical Field

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

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts.

[0003] The patent with application number 202223010028.2 discloses a grinding device for circuit board processing, including an equipment main body, a grinding disc, a driving mechanism and a hydraulic push rod. Universal wheels are fixedly installed at the four corners of the bottom of the equipment main body, a brake pad is fixedly installed on one side of the universal wheel, a fixed plate is provided on one side of the top of the equipment main body, a grinding cover is provided on the top of the fixed plate, a grinding motor is provided on one side of the fixed plate, a grinding disc is provided on the other side of the fixed plate, a mounting plate is provided on the other side of the top of the equipment main body, a hydraulic push rod is provided on the side of the mounting plate close to the grinding disc, and a driving mechanism is provided on one end of the hydraulic push rod close to the grinding disc.

[0004] The edge grinding device for circuit board processing, through the driving mechanism and the grinding sheet, enables the equipment to automatically perform grinding operations, which is more convenient and quicker. However, there are still areas for improvement. For example, the device needs to constantly change the position of the circuit board, which is cumbersome to use and cannot meet current needs. Utility Model Content

[0005] The utility model aims to provide an edge grinding device for processing a circuit board, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for circuit board processing, comprising an equipment body, a first movable component, a second movable component, a fixing device, and a grinding component, wherein the first movable component is arranged on the top of the equipment body, the second movable component is arranged on the side of the first movable component, the fixing device is arranged on the top of the second movable component, and the grinding component is arranged on the top of the equipment body.

[0007] The fixing device is composed of a stepper motor, a fixing ring, a placement plate, a fixing frame, an electric push rod, a shaft rod, a moving block, a lower pressure plate, a first spring, a mounting tube, and a second spring. The stepper motor is fixedly mounted inside the second moving component, the fixing ring is fixedly mounted on the output shaft of the stepper motor, the placement plate is fixedly mounted on the outside of the fixing ring, the fixing frame is fixedly mounted on the top of the second moving component, the electric push rod is fixedly mounted on the top of the fixing frame, the shaft rod is fixedly mounted on the bottom of the electric push rod, the moving block is slidably mounted on the surface of the shaft rod, the lower pressure plate is fixedly mounted on the outside of the moving block, the first spring is sleeved on the surface of the shaft rod, the mounting tube is fixedly mounted on the surface of the shaft rod, and the second spring is fixedly mounted inside the mounting tube.

[0008] Preferably, the placement plate and the lower pressure plate are arranged correspondingly, and rubber sleeves are provided on the opposite sides. This arrangement can increase the friction between the placement plate and the lower pressure plate and the circuit board, facilitate better clamping and fixing, and at the same time avoid marking the surface of the circuit board and affecting the quality of the circuit board.

[0009] Preferably, an annular groove and a cross groove are provided inside the lower pressing plate, and the annular groove and the cross groove are connected. This arrangement facilitates the subsequent limiting or rotation of the lower pressing plate.

[0010] Preferably, one end of the first spring is fixedly connected to the shaft rod, and the other end is in contact with the moving block. This arrangement can reset the moving block through the first spring.

[0011] Preferably, a ball is arranged on the side of the mounting tube, and one end of the second spring is fixedly connected to the mounting tube, and the other end contacts the ball. This arrangement can reset the ball through the second spring, and the ball is arranged to enable it to roll in the annular groove.

[0012] Preferably, the mounting tube and the second spring are arranged in a group, and there are four groups distributed in a circular array on the surface of the shaft rod. This arrangement can match the cross groove and can better limit the lower pressure plate.

[0013] Preferably, a sliding groove matching the moving block is provided on the surface of the shaft rod, and this arrangement facilitates the moving block to slide on the surface of the shaft rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the circuit board processing edge grinding device places the circuit board on the surface of the placement plate, starts the electric push rod, makes the installation cylinder enter the cross groove, and can limit the lower pressure plate. When one side of the circuit board is polished, the electric push rod is started to make the installation cylinder enter the annular groove, and the stepper motor is driven to make the placement plate drive the circuit board and the lower pressure plate to rotate 90 degrees. The above steps are repeated until the side of the circuit board is polished. It is easy to use and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the second moving assembly and the fixing device of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the stepping motor, the fixing ring and the placement plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the shaft rod, the moving block and the first spring structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the internal structure of the lower pressing plate of the utility model.

[0020] In the figure: 1. Equipment body; 2. First moving assembly; 3. Second moving assembly; 4. Fixing device; 401. Stepping motor; 402. Fixing ring; 403. Placement plate; 404. Fixing frame; 405. Electric push rod; 406. Shaft; 407. Moving block; 408. Lower pressure plate; 409. First spring; 410. Mounting cylinder; 411. Second spring; 5. Grinding assembly. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] See also Figure 1-5 The utility model provides a technical solution: a grinding device for circuit board processing, including a device body 1, a first moving component 2, a second moving component 3, a fixing device 4, and a grinding component 5. The first moving component 2 is arranged on the top of the device body 1, the second moving component 3 is arranged on the side of the first moving component 2, the fixing device 4 is arranged on the top of the second moving component 3, and the grinding component 5 is arranged on the top of the device body 1.

[0023] The fixing device 4 is composed of a stepper motor 401, a fixing ring 402, a placement plate 403, a fixing frame 404, an electric push rod 405, a shaft 406, a moving block 407, a lower pressing plate 408, a first spring 409, a mounting cylinder 410, and a second spring 411. The stepper motor 401 is fixedly mounted inside the second moving component 3, the fixing ring 402 is fixedly mounted on the output shaft of the stepper motor 401, the placement plate 403 is fixedly mounted outside the fixing ring 402, the fixing frame 404 is fixedly mounted on the top of the second moving component 3, and the electric push rod 405 is fixedly mounted on the second moving component 3. The top of the fixed frame 404 is fixedly installed, the shaft 406 is fixedly installed at the bottom of the electric push rod 405, the moving block 407 is slidably installed on the surface of the shaft 406, and the surface of the shaft 406 is provided with a slide groove matching the moving block 407. This setting facilitates the sliding of the moving block 407 on the surface of the shaft 406. The lower pressing plate 408 is fixedly installed on the outside of the moving block 407. The lower pressing plate 408 is provided with an annular groove and a cross groove inside, and the annular groove and the cross groove are connected. This setting facilitates the subsequent limiting or rotation of the lower pressing plate 408. 403 and the lower pressing plate 408 are arranged correspondingly, and a rubber sleeve is arranged on the opposite side. This arrangement can increase the friction between the placing plate 403 and the lower pressing plate 408 and the circuit board, so as to facilitate better clamping and fixing, and at the same time avoid marking the surface of the circuit board and affecting the quality of the circuit board. The first spring 409 is sleeved on the surface of the shaft rod 406. One end of the first spring 409 is fixedly connected to the shaft rod 406, and the other end is in contact with the moving block 407. This arrangement can reset the moving block 407 through the first spring 409. The mounting tube 410 is fixedly mounted on the shaft rod The surface of 406, the second spring 411 is fixedly installed in the interior of the mounting cylinder 410, a ball is arranged on the side of the mounting cylinder 410, and one end of the second spring 411 is fixedly connected to the mounting cylinder 410, and the other end is in contact with the ball. This arrangement can reset the ball through the second spring 411, and the ball is arranged to enable it to roll in the annular groove. The mounting cylinder 410 and the second spring 411 are all in a group, and there are four groups distributed in a circular array on the surface of the shaft rod 406. This arrangement can match the cross groove, which can better limit the lower pressure plate 408.

[0024] When in use, place the circuit board on the surface of the placement plate 403, start the electric push rod 405, move the shaft 406 downward, so that the lower pressure plate 408 moves downward with the moving block 407 to contact the circuit board, continue to move the shaft 406 downward, compress the first spring 409, and make the installation tube 410 enter the cross groove, which can limit the lower pressure plate 408. When one side of the circuit board is polished, start the electric push rod 405 to move the shaft 406 upward. Under the action of the first spring 409, the installation tube 410 enters the annular groove, and drives the stepper motor 401 to make the placement plate 403 drive the circuit board and the lower pressure plate 408 to rotate 90°, and repeat the above steps until the side of the circuit board is polished.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. An edge grinding device for processing a circuit board, comprising a device body (1), a first moving assembly (2), a second moving assembly (3), a fixing device (4), and a grinding assembly (5), characterized in that: The first moving assembly (2) is arranged on the top of the device body (1), the second moving assembly (3) is arranged on the side of the first moving assembly (2), the fixing device (4) is arranged on the top of the second moving assembly (3), and the grinding assembly (5) is arranged on the top of the device body (1); The fixing device (4) is composed of a stepping motor (401), a fixing ring (402), a placement plate (403), a fixing frame (404), an electric push rod (405), a shaft (406), a moving block (407), a lower pressing plate (408), a first spring (409), a mounting tube (410), and a second spring (411). The stepping motor (401) is fixedly mounted inside the second moving assembly (3), the fixing ring (402) is fixedly mounted on the output shaft of the stepping motor (401), the placement plate (403) is fixedly mounted outside the fixing ring (402), and the fixing frame (40 4) is fixedly installed on the top of the second moving component (3), the electric push rod (405) is fixedly installed on the top of the fixed frame (404), the shaft (406) is fixedly installed on the bottom of the electric push rod (405), the moving block (407) is slidably installed on the surface of the shaft (406), the lower pressure plate (408) is fixedly installed on the outside of the moving block (407), the first spring (409) is sleeved on the surface of the shaft (406), the mounting tube (410) is fixedly installed on the surface of the shaft (406), and the second spring (411) is fixedly installed inside the mounting tube (410).

2. The circuit board processing edge grinding device according to claim 1, characterized in that: The placement plate (403) and the lower pressing plate (408) are arranged correspondingly, and rubber sleeves are arranged on opposite sides.

3. The circuit board processing edge grinding device according to claim 1, characterized in that: An annular groove and a cross groove are arranged inside the lower pressing plate (408), and the annular groove and the cross groove are connected.

4. The circuit board processing edge grinding device according to claim 1, characterized in that: One end of the first spring (409) is fixedly connected to the shaft (406), and the other end is in contact with the moving block (407).

5. The circuit board processing edge grinding device according to claim 1, characterized in that: A ball bearing is arranged on the side of the installation cylinder (410), and one end of the second spring (411) is fixedly connected to the installation cylinder (410), and the other end thereof contacts the ball bearing.

6. The circuit board processing edge grinding device according to claim 1, characterized in that: The mounting tube (410) and the second spring (411) are arranged one by one in a group, and there are four groups in total distributed in a circular array on the surface of the shaft (406).

7. The circuit board processing edge grinding device according to claim 1, characterized in that: The surface of the shaft rod (406) is provided with a sliding groove matching the moving block (407).

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