High-precision drilling mechanism for circuit board

Abstract

The utility model discloses a circuit board high-precision drilling mechanism, which belongs to the related technical field of circuit board drilling processing and comprises a bottom plate, an intermittent rotating mechanism is arranged in the middle of the upper end of the bottom plate, a drilling mechanism is arranged on one side of the upper end of the bottom plate, the intermittent rotating mechanism comprises a C-shaped plate A connected onto the bottom plate, and a motor A is connected to the middle of the lower end of the C-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 moving gear, the transmission gear is connected with a rotating shaft B, the peripheral side of the rotating shaft B is connected with a plurality of contact strips distributed circumferentially, the outer ends of the contact strips are connected with a bearing plate, and clamping mechanisms are arranged on the two sides of the upper end of the bearing plate. A plurality of evenly-distributed discharging grooves are formed in the upper end of the bearing plate. According to the circuit board punching device, circuit boards of different sizes can be clamped and then punched in different positions, meanwhile, the circuit boards of different sizes can be continuously punched, and the processing efficiency of the circuit boards is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to circuit board drilling processing, in particular to a high-precision drilling mechanism for a circuit board. 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. Circuit boards can be called printed circuit boards or printed circuit boards;

[0003] The existing technology has the problem that it is not possible to continuously punch holes in circuit boards of different sizes. This will result in the need to remove a circuit board after the punching action is completed and replace it with a new circuit board for clamping and then punching again. This will ultimately lead to reduced efficiency when punching large quantities of circuit boards. To this end, we propose a high-precision drilling mechanism for circuit boards. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision drilling mechanism for a circuit board to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision drilling mechanism for a circuit board, comprising a base plate, an intermittent rotating mechanism is arranged in the middle of the upper end of the base plate, a punching mechanism is arranged on one side of the upper end of the base plate, the intermittent rotating mechanism comprises a C-shaped plate A connected to the base plate, a motor A is connected to the middle of the lower end of the C-shaped plate A, a rotating shaft A is connected to the output end of the motor A, the rotating shaft A is connected to an incomplete gear, the incomplete gear is meshedly connected to a moving gear, the transmission gear is connected to a rotating shaft B, and the outer peripheral side of the rotating shaft B is connected to There are multiple circumferentially distributed contact strips, the outer ends of the contact strips are connected to a supporting plate, clamping mechanisms are provided on both sides of the upper end of the supporting plate, and multiple evenly distributed feeding troughs are opened on the upper end of the supporting plate. The punching mechanism includes a C-shaped plate B connected to the upper end of the bottom plate, an electric push rod A is connected to the middle of the lower end of the C-shaped plate B, and the output end of the electric push rod A is connected to two moving mechanisms that are set at 90° and arranged vertically, the lower end surface of the moving mechanism at the lower end is connected to a punching assembly, and the upper end of the moving mechanism at the upper end is connected to a guide column, and the guide column is slidably connected to the C-shaped plate B.

[0006] Preferably, the clamping mechanism comprises a side plate connected to the upper end of the supporting plate, the inner end of the side plate is connected to an electric push rod B, and the output end of the electric push rod B is connected to the clamping plate.

[0007] Preferably, the moving mechanism includes a contact plate, a motor B, a screw, a slider and a measuring ruler. A slide groove is provided at the lower end of the contact plate, the outer end of the contact plate is connected to the motor B, the output end of the motor B is connected to the screw, the screw is threadedly connected to the slider, the slider is slidably connected to the slide groove, and the outer end of the contact plate is connected to the measuring ruler.

[0008] Preferably, a power supply is connected to the upper end of the base plate, and the power supply is electrically connected to the motor A, the electric push rod A, the motor B and the electric push rod B.

[0009] Preferably, the end face of the screw away from the motor B is rotatably connected to the contact plate through a bearing.

[0010] Preferably, the upper end of the guide column is connected to a limit plate, and the outer diameter of the limit plate is larger than the outer diameter of the guide column.

[0011] Preferably, the ratio of the number of teeth of the transmission gear to the number of teeth of the incomplete gear is equal to the number of contact strips.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: a base plate, an intermittent rotating mechanism, a punching mechanism, a clamping mechanism, a moving mechanism and a power supply are provided to complete the placement of each circuit board on each supporting plate, and then the electric push rod B is powered by the power supply, and at this time the output end of the electric push rod B drives the clamping plate to move and thus clamp each circuit board, and then the motor A can be powered by the power supply, and at this time the output end of the motor A drives the rotating shaft A to rotate and then drives the incomplete gear to rotate and then drives the transmission gear to rotate, and the transmission gear drives the rotating shaft B to rotate and then drives the contact strip to rotate, and at this time the distance between the two adjacent contact strips is There is a difference of 60°. When a contact strip drives the supporting plate to move to a predetermined position, the toothless part of the incomplete gear crosses the toothed part of the transmission gear. At this time, the rotating shaft B no longer rotates. Next, the motor B and the electric push rod B can be powered by the power supply. At this time, the output end of the motor B drives the screw to rotate and then drives the slider to slide in the slide groove. The position of the punching assembly can be accurately adjusted by two sets of moving mechanisms. The utility model realizes the ability to clamp circuit boards of different sizes and then perform punching actions at different positions. At the same time, it can also perform continuous punching actions on circuit boards of different sizes, thereby improving the processing efficiency of circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is a schematic diagram of the intermittent rotation mechanism structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0016] Figure 4 This is a schematic diagram of the punching mechanism structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the mobile mechanism of the utility model.

[0018] In the figure: 1. bottom plate; 2. intermittent rotation mechanism; 201. C-shaped plate A; 202. motor A; 203. shaft A; 204. incomplete gear; 205. moving gear; 206. shaft B; 207. contact strip; 208. support plate; 209. feed chute; 3. punching mechanism; 301. C-shaped plate B; 302. electric push rod A; 303. punching assembly; 304. guide column; 305. limit plate; 4. clamping mechanism; 401. side plate; 402. electric push rod B; 403. clamping plate; 5. moving mechanism; 501. contact plate; 502. motor B; 503. screw; 504. slider; 505. measuring ruler; 6. power supply. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 The utility model provides a technical solution: a high-precision drilling mechanism for a circuit board, comprising a bottom plate 1, an intermittent rotating mechanism 2 is arranged at the middle of the upper end of the bottom plate 1, a punching mechanism 3 is arranged at one side of the upper end of the bottom plate 1, the intermittent rotating mechanism 2 comprises a C-shaped plate A201 connected to the bottom plate 1, a motor A202 is connected to the middle of the lower end of the C-shaped plate A201, a rotating shaft A203 is connected to the output end of the motor A202, the rotating shaft A203 is connected to an incomplete gear 204, the incomplete gear 204 is meshedly connected to a moving gear 205, the moving gear 205 is connected to a rotating shaft B206, and the outer peripheral side of the rotating shaft B206 is connected to a plurality of circumferentially distributed The contact strip 207 has a support plate 208 connected to its outer end, clamping mechanisms 4 are provided on both sides of the upper end of the support plate 208, a plurality of evenly distributed feed troughs 209 are provided on the upper end of the support plate 208, and a punching mechanism 3 includes a C-shaped plate B301 connected to the upper end of the base plate 1, an electric push rod A302 is connected to the middle of the lower end of the C-shaped plate B301, and two moving mechanisms 5 arranged at 90° and vertically arranged are connected to the output end of the electric push rod A302, a punching assembly 303 is connected to the lower end of the lower moving mechanism 5, and a guide column 304 is connected to the upper end of the upper moving mechanism 5, and the guide column 304 is slidably connected to the C-shaped plate B301.

[0021] Specifically, the clamping mechanism 4 includes a side plate 401 connected to the upper end of the supporting plate 208, the inner end of the side plate 401 is connected to an electric push rod B402, and the output end of the electric push rod B402 is connected to the clamping plate 403; the moving mechanism 5 includes a contact plate 501, a motor B502, a screw 503, a slider 504 and a measuring ruler 505, a slide groove is provided at the lower end of the contact plate 501, the outer end of the contact plate 501 is connected to the motor B502, the output end of the motor B502 is connected to the screw 503, the screw 503 is threadedly connected to the slider 504, and the slider 504 The sliding connection slide groove has a measuring ruler 505 connected to the outer end of the contact plate 501; the upper end of the base plate 1 is connected to a power supply 6, which is electrically connected to the motor A202, the electric push rod A302, the motor B502 and the electric push rod B402; the screw 503 is rotatably connected to the contact plate 501 at one end away from the motor B502 through a bearing; the upper end of the guide column 304 is connected to a limit plate 305, and the outer diameter of the limit plate 305 is larger than the outer diameter of the guide column 304; the ratio of the number of teeth of the moving gear 205 to the incomplete gear 204 is equal to the number of contact strips 207.

[0022] Working principle: Place each circuit board on each support plate 208, then power the electric push rod B402 through the power supply 6, at this time the output end of the electric push rod B402 drives the clamping plate 403 to move and thus clamp each circuit board, then power the motor A202 through the power supply 6, at this time the output end of the motor A202 drives the shaft A203 to rotate and then drives the incomplete gear 204 to rotate and then drives the moving gear 205 to rotate, the moving gear 205 drives the shaft B206 to rotate and then drives the contact strip 207 to rotate, at this time the two adjacent contact strips 207 differ by 60°, when one contact strip 207 drives the support plate 2 After 08 moves to a predetermined position, the toothless portion of the incomplete gear 204 intersects with the toothed portion of the moving gear 205, and the rotating shaft B206 no longer rotates. Next, the power supply 6 can be used to power the motor B502 and the electric push rod B402. At this time, the output end of the motor B502 drives the screw 503 to rotate and then drives the slider 504 to slide in the slide groove. The position of the punching component 303 can be precisely adjusted by two sets of moving mechanisms 5. The utility model realizes that circuit boards of different sizes can be clamped and then punched at different positions. At the same time, circuit boards of different sizes can also be punched continuously, thereby improving the processing efficiency of circuit boards.

[0023] 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 high-precision drilling mechanism for a circuit board, comprising a base plate (1), characterized in that: An intermittent rotating mechanism (2) is arranged at the middle of the upper end of the bottom plate (1), a punching mechanism (3) is arranged at one side of the upper end of the bottom plate (1), the intermittent rotating mechanism (2) comprises a C-shaped plate A (201) connected to the bottom plate (1), a motor A (202) is connected to the middle of the lower end of the C-shaped plate A (201), a rotating shaft A (203) is connected to the output end of the motor A (202), the rotating shaft A (203) is connected to an incomplete gear (204), the incomplete gear (204) is meshingly connected to a moving gear (205), the moving gear (205) is connected to a rotating shaft B (206), the outer circumference of the rotating shaft B (206) is connected to a plurality of circumferentially distributed contact strips (207), the contact strips (207) are connected to the outer circumference of the rotating shaft B (206), and the contact strips (207) are connected to the outer circumference of the rotating shaft ) is connected to a supporting plate (208) at its outer end, clamping mechanisms (4) are provided on both sides of the upper end of the supporting plate (208), a plurality of evenly distributed material discharge troughs (209) are provided at the upper end of the supporting plate (208), the punching mechanism (3) comprises a C-shaped plate B (301) connected to the upper end of the bottom plate (1), an electric push rod A (302) is connected to the middle of the lower end of the C-shaped plate B (301), the output end of the electric push rod A (302) is connected to two moving mechanisms (5) arranged at 90 degrees and arranged vertically, the lower end surface of the moving mechanism (5) at the lower end is connected to a punching assembly (303), and the upper end of the moving mechanism (5) at the upper end is connected to a guide column (304), and the guide column (304) is slidably connected to the C-shaped plate B (301).

2. A circuit board high-precision drilling mechanism according to claim 1, characterized in that: The clamping mechanism (4) comprises a side plate (401) connected to the upper end of the supporting plate (208), the inner end of the side plate (401) is connected to an electric push rod B (402), and the output end of the electric push rod B (402) is connected to a clamping plate (403).

3. A circuit board high-precision drilling mechanism according to claim 2, characterized in that: The moving mechanism (5) comprises a contact plate (501), a motor B (502), a screw rod (503), a slider (504) and a measuring ruler (505); a sliding groove is provided at the lower end of the contact plate (501); the outer end of the contact plate (501) is connected to the motor B (502); the output end of the motor B (502) is connected to the screw rod (503); the screw rod (503) is threadedly connected to the slider (504); the slider (504) is slidably connected to the sliding groove; and the outer end of the contact plate (501) is connected to the measuring ruler (505).

4. A circuit board high-precision drilling mechanism according to claim 3, characterized in that: The upper end of the base plate (1) is connected to a power source (6), and the power source (6) is electrically connected to the motor A (202), the electric push rod A (302), the motor B (502) and the electric push rod B (402).

5. The high-precision drilling mechanism for a circuit board according to claim 3, characterized in that: An end surface of the screw rod (503) away from the motor B (502) is rotatably connected to the contact plate (501) via a bearing.

6. A circuit board high-precision drilling mechanism according to claim 1, characterized in that: The upper end of the guide column (304) is connected to a limiting plate (305), and the outer diameter of the limiting plate (305) is greater than the outer diameter of the guide column (304).

7. The high-precision circuit board drilling mechanism according to claim 1, characterized in that: The ratio of the number of teeth of the moving gear (205) to the number of teeth of the incomplete gear (204) is equal to the number of contact strips (207).

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