Circuit board grinding machine

Abstract

The utility model discloses a circuit board grinding machine, which belongs to the technical field of circuit board processing and comprises a base, a U-shaped plate A is connected to the upper end of the base, a circuit board intermittent placing mechanism is arranged on the U-shaped plate A, a grinding mechanism is arranged on the rear side of the upper end of the base, and the circuit board intermittent placing mechanism comprises a motor A connected to the lower end face of the U-shaped plate A; the output end of the motor A is connected with a rotating shaft A, the rotating shaft A is connected with an incomplete gear, the incomplete gear is in meshed connection with a rotating gear, the rotating gear is connected with a rotating shaft B, and the rotating shaft B penetrates through the U-shaped plate A to be connected with a plurality of circumferentially-distributed mounting plates. The outer end of each mounting plate is connected with a containing plate, a sliding groove is formed in the upper end of each containing plate, and the outer end of each containing plate is connected with a motor B; the output end of the motor B is connected with a screw, the screw is in threaded connection with a sliding block, and the sliding block is slidably connected with the sliding groove. According to the circuit board polishing device, circuit boards of different sizes can be firstly clamped and then polished, and the working efficiency of the device is improved.

Description

Technical Field

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

[0002] Circuit board generally refers to circuit board. The names of circuit boards include circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed circuit board, etc. Circuit board grinding machine is the equipment for grinding circuit boards;

[0003] After searching, the Chinese patent number is CN219684940U, which includes a base, the outside of the base is fixedly connected with a guide rail, the outside of the guide rail is fixedly connected with a rack, the outside of the guide rail is movably connected with a placement table, the bottom of the placement table is fixedly connected with a first slide, the outside of the first slide is movably connected with a first knob, the outside of the first knob is fixedly connected with a rotating rod, the outside of the rotating rod is fixedly connected with a gear, the bottom of the placement table is fixedly connected with a second slide, and the outside of the second slide is threaded with a bolt. The utility model can rotate the rotating rod and the gear by rotating the first knob, and the gear is connected with a rack through the external meshing of the gear, so that the gear can rotate to drive the first slide to move, and then drive the placement table to move the position, and then limit the position by rotating the bolt, which plays the effect of facilitating the adjustment of the grinding position of the circuit board, thereby improving the grinding efficiency of the circuit board, but there is a problem that circuit boards of different sizes cannot be continuously polished, which will result in a reduced efficiency of the grinding device. For this reason, we propose a circuit board grinding machine. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board grinding machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board grinding machine, comprising a base, the upper end of the base is connected to a U-shaped plate A, the U-shaped plate A is provided with an intermittent placement mechanism for the circuit board, the rear side of the upper end of the base is provided with a grinding mechanism, the intermittent placement mechanism for the circuit board comprises a motor A connected to the lower end surface of the U-shaped plate A, the output end of the motor A is connected to a rotating shaft A, the rotating shaft A is connected to an incomplete gear, the incomplete gear is meshed and connected to a rotating gear, the rotating gear is connected to a rotating shaft B, the rotating shaft B passes through the U-shaped plate A and is connected to a plurality of circumferentially distributed mounting plates, the outer end of each mounting plate is connected to a placement plate, the upper end of the placement plate is provided with a slide groove, the outer end of the placement plate is connected to a motor B, the output end of the motor B is connected to a screw, the screw is threadedly connected to a slider, the slider is slidably connected to the slide groove, the upper end of the slider is connected to the U-shaped plate B, the inner end of the U-shaped plate B is connected to two symmetrically arranged electric push rods, and the output end of each electric push rod is connected to a clamping plate.

[0006] Preferably, the grinding mechanism comprises a C-shaped frame connected to the base, a moving block is slidably connected to the C-shaped frame, a contact plate is provided at the front end of the moving block, and an electric lifting grinding head is provided at the lower end of the contact plate.

[0007] Preferably, each corner of the lower end of the base is connected to an anti-slip bracket.

[0008] Preferably, the screw is rotatably connected to the placement plate via a bearing.

[0009] Preferably, the gear ratio of the incomplete gear to the rotating gear is equal to the number of placement plates.

[0010] Preferably, a power supply is provided at the upper end of the moving block, and the power supply is electrically connected to the motor A, the motor B and the electric push rod.

[0011] Preferably, the rotating shaft B is rotatably connected to the U-shaped plate A via a bearing.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: a base, an anti-slip bracket, a U-shaped plate A, a grinding mechanism and a circuit board intermittent placement mechanism are provided to complete the placement of circuit boards of different sizes on each U-shaped plate B, and then each electric push rod is powered, and the output end of the electric push rod at this time drives the clamping plate to clamp each circuit board, and then the circuit board is polished through the grinding mechanism. During the entire grinding process, the power supply supplies power to the motor A, and the output end of the motor A at this time drives the rotating shaft A to rotate and then drives the incomplete gear to rotate, the incomplete gear drives the rotating gear to rotate and then drives the rotating shaft B to rotate, and the rotating shaft B indirectly drives the circuit board to rotate. When the grinding work of one circuit board is completed, the other circuit board is polished. The utility model realizes that circuit boards of different sizes can be clamped first and then polished, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 The schematic diagram of the intermittent placement mechanism of the circuit board of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 3 The schematic diagram of the intermittent placement mechanism of the circuit board of the utility model is shown in FIG. Figure 2 ;

[0016] Figure 4 It is a schematic diagram of the structure of the grinding mechanism of the utility model.

[0017] In the figure: 1. base; 2. anti-slip bracket; 3. U-shaped plate A; 4. grinding mechanism; 401. C-shaped frame; 402. moving block; 403. power supply; 404. contact plate; 405. electric lifting grinding head; 5. circuit board intermittent placement mechanism; 501. motor A; 502. rotating shaft A; 503. incomplete gear; 504. rotating gear; 505. rotating shaft B; 506. mounting plate; 507. placement plate; 508. slide groove; 509. motor B; 510. screw; 511. slider; 512. U-shaped plate B; 513. electric push rod; 514. clamping plate. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: a circuit board grinding machine, including a base 1, the upper end of the base 1 is connected to a U-shaped plate A3, the U-shaped plate A3 is provided with a circuit board intermittent placement mechanism 5, the rear side of the upper end of the base 1 is provided with a grinding mechanism 4, the circuit board intermittent placement mechanism 5 includes a motor A501 connected to the lower end surface of the U-shaped plate A3, the output end of the motor A501 is connected to a rotating shaft A502, the rotating shaft A502 is connected to an incomplete gear 503, the incomplete gear 503 is meshed and connected to a rotating gear 504, the rotating gear 504 is connected to a rotating shaft B505, the rotating shaft B505 passes through A plurality of circumferentially distributed mounting plates 506 are connected through the U-shaped plate A3, and a placement plate 507 is connected to the outer end of each mounting plate 506, a slide groove 508 is provided at the upper end of the placement plate 507, a motor B509 is connected to the outer end of the placement plate 507, a screw rod 510 is connected to the output end of the motor B509, the screw rod 510 is threadedly connected to a slider 511, the slider 511 is slidably connected to the slide groove 508, a U-shaped plate B512 is connected to the upper end of the slider 511, and two symmetrically arranged electric push rods 513 are connected to the inner end of the U-shaped plate B512, and a clamping plate 514 is connected to the output end of each electric push rod 513.

[0020] Specifically, the grinding mechanism 4 includes a C-shaped frame 401 connected to the base 1, and a moving block 402 is slidably connected to the C-shaped frame 401. A contact plate 404 is provided at the front end of the moving block 402, and an electric lifting grinding head 405 is provided at the lower end of the contact plate 404; each corner of the lower end of the base 1 is connected to an anti-slip bracket 2; the screw 510 is rotatably connected to the placement plate 507 through a bearing; the gear ratio of the incomplete gear 503 and the rotating gear 504 is equal to the number of placement plates 507; a power supply 403 is provided at the upper end of the moving block 402, and the power supply 403 is electrically connected to the motor A501, the motor B509 and the electric push rod 513; the rotating shaft B505 is rotatably connected to the U-shaped plate A3 through a bearing.

[0021] Working principle: Place circuit boards of different sizes on each U-shaped board B512, then power each electric push rod 513, at this time the output end of the electric push rod 513 drives the clamping plate 514 to clamp each circuit board, then the circuit board is polished through the polishing mechanism 4, during the entire polishing process, the power supply 403 powers the motor A501, at this time the output end of the motor A501 drives the rotating shaft A502 to rotate and then drives the incomplete gear 503 to rotate, the incomplete gear 503 drives the rotating gear 504 to rotate and then drives the rotating shaft B505 to rotate, the rotating shaft B505 indirectly drives the circuit board to rotate, when the polishing work of one circuit board is completed, at this time another circuit board is being polished, the utility model realizes that circuit boards of different sizes can be clamped first and then polished, thereby improving the working efficiency of the device.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board grinding machine, comprising a base (1), characterized in that: The upper end of the base (1) is connected to a U-shaped plate A (3), and a circuit board intermittent placement mechanism (5) is arranged on the U-shaped plate A (3). A grinding mechanism (4) is arranged on the rear side of the upper end of the base (1). The circuit board intermittent placement mechanism (5) comprises a motor A (501) connected to the lower end surface of the U-shaped plate A (3), and the output end of the motor A (501) is connected to a rotating shaft A (502), and the rotating shaft A (502) is connected to an incomplete gear (503), and the incomplete gear (503) is meshingly connected to a rotating gear (504), and the rotating gear (504) is connected to a rotating shaft B (505), and the rotating shaft B (505) passes through the U-shaped plate A (3) and is connected to a plurality of circumferentially distributed gears. The mounting plates (506) are each connected to a placement plate (507) at the outer end thereof, a slide groove (508) is provided at the upper end of the placement plate (507), a motor B (509) is connected to the outer end of the placement plate (507), a screw rod (510) is connected to the output end of the motor B (509), the screw rod (510) is threadedly connected to a slider (511), the slider (511) is slidably connected to the slide groove (508), a U-shaped plate B (512) is connected to the upper end of the slider (511), two symmetrically arranged electric push rods (513) are connected to the inner end of the U-shaped plate B (512), and a clamping plate (514) is connected to the output end of each electric push rod (513).

2. A circuit board grinding machine according to claim 1, characterized in that: The grinding mechanism (4) comprises a C-shaped frame (401) connected to the base (1), a moving block (402) being slidably connected to the C-shaped frame (401), a contact plate (404) being provided at the front end of the moving block (402), and an electric lifting grinding head (405) being provided at the lower end of the contact plate (404).

3. A circuit board grinding machine according to claim 1, characterized in that: Each corner of the lower end of the base (1) is connected to an anti-slip bracket (2).

4. A circuit board grinding machine according to claim 1, characterized in that: The screw rod (510) is rotatably connected to the placement plate (507) via a bearing.

5. A circuit board grinding machine according to claim 1, characterized in that: The gear ratio between the incomplete gear (503) and the rotating gear (504) is equal to the number of placement plates (507).

6. A circuit board grinding machine according to claim 2, characterized in that: A power source (403) is provided at the upper end of the moving block (402), and the power source (403) is electrically connected to the motor A (501), the motor B (509) and the electric push rod (513).

7. A circuit board grinding machine according to claim 1, characterized in that: The rotating shaft B (505) is rotatably connected to the U-shaped plate A (3) via a bearing.

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