High-speed drilling equipment for circuit board

Abstract

The utility model relates to drilling equipment, in particular to high-speed drilling equipment for a circuit board. The high-speed drilling equipment for the circuit board comprises a frame, a first transmission group, a first guide rod, a discharging frame and the like, a first transmission set is arranged on the upper portion of the frame and composed of a driving motor and a lead screw, first guide rods are fixedly arranged on the left side and the right side of the upper portion of the frame, and a discharging frame is arranged between the two first guide rods in a sliding mode. According to the high-speed drilling equipment for the circuit boards, a plurality of stacked circuit boards are positioned and drilled through the high-speed drilling machine, the drilling work of the plurality of circuit boards is completed at a time, when the circuit boards are drilled in batches, the circuit board replacement frequency is effectively reduced when the circuit boards are drilled, and the high-speed drilling equipment for the circuit boards is more efficient.

Description

Technical Field

[0001] The utility model relates to a drilling device, in particular to a high-speed drilling device for a circuit board. Background Art

[0002] The uses of drilling holes in circuit boards include: Component installation: drilling holes are used to install electronic components, such as sockets, pads, and surface mount components. By drilling holes, holes suitable for various component pins or connecting wires are formed on the circuit board, so that the components can be fixed and connected to the wires on the circuit board; Circuit interconnection: Circuit board drilling allows signal transmission and electrical connection between different layers. Multilayer circuit boards usually have internal metal layers and through holes, through which signals are transmitted or circuit networks between different layers are connected; Heat dissipation: Some devices or circuits need to dissipate heat to maintain normal operating temperature. By drilling holes in the circuit board, the heat dissipation effect can be increased, allowing heat to dissipate from the circuit board to prevent overheating and damage to components; Mechanical support: drilling holes can be used to fix the circuit board. In some cases, the circuit board is fixed by passing brackets or screws through the drilled holes to provide better mechanical support and stability.

[0003] The drilling process of circuit boards needs to be carried out using a drilling machine or a laser punching machine to ensure accurate positioning and formation of the required holes on the circuit boards. However, in existing equipment, when drilling holes in circuit boards, a single circuit board is usually placed on a drilling fixture and drilled by a drilling machine. When a large number of circuit boards need to be drilled, only a single circuit board is drilled, and the circuit boards on the drilling fixture need to be frequently replaced, which is inefficient.

[0004] In view of this, the utility model provides a high-speed drilling machine for positioning and drilling multiple stacked circuit boards, completing the drilling work of multiple circuit boards at one time, and effectively reducing the frequency of circuit board replacement during batch drilling of circuit boards, thereby providing a relatively efficient high-speed drilling device for circuit boards. Utility Model Content

[0005] In order to overcome the shortcomings of existing drilling equipment that when a large number of circuit boards need to be drilled, only a single circuit board needs to be drilled, and the circuit board on the drilling fixture needs to be frequently replaced, resulting in low efficiency, the purpose is to provide a high-speed drilling machine that can perform positioning drilling on multiple stacked circuit boards, complete the drilling work of multiple circuit boards at one time, and effectively reduce the frequency of circuit board replacement during batch drilling of circuit boards, thereby providing a more efficient circuit board high-speed drilling equipment.

[0006] The technical solution is: a high-speed drilling equipment for circuit boards, including a frame, a first transmission group, a first guide rod, a material discharge frame, a support frame, a second guide rod, a slider, a second transmission group, a rodless cylinder, a sliding frame, a drilling machine and a screen. The first transmission group is arranged on the upper part of the frame, and the first transmission group consists of a driving motor and a screw rod. The first guide rods are fixedly arranged on the left and right sides of the upper part of the frame, and a material discharge frame is slidably arranged between the two first guide rods. The lower part of the material discharge frame is spirally connected to the screw rod of the first transmission group. The frame is fixedly connected to the support frame, and the second guide rods are fixedly arranged on the left and right sides of the support frame. The second transmission group is installed on the left part of the support frame, and the second transmission group consists of a transmission motor and a screw rod. Sliders are slidably arranged on the guide rods, and the screw rod on the second transmission group is threadedly connected to the slider on the left side. A rodless cylinder is installed between the sliders, and a sliding frame is installed on the slider of the rodless cylinder. A drilling machine is installed in the lower part of the sliding frame, and a screen is installed on the left rear of the support frame.

[0007] Furthermore, it also includes a rotating cylinder, a connecting frame and a laser drill. The rotating cylinder is installed on the lower right side of the sliding frame, the connecting frame is fixedly connected to the rotating clamp of the rotating cylinder, and the laser drill is installed on the left side of the connecting frame.

[0008] Furthermore, it also includes screws and clamps. The clamps are symmetrically slidably arranged in the discharge frame. The left and right sides of the discharge frame are both threadedly connected with screws, and the two screws are fixedly connected to the clamps on the same side.

[0009] Furthermore, the first transmission group and the second transmission group are relatively uniform and stable during transmission.

[0010] The beneficial effects are as follows: the utility model uses a high-speed drilling machine to perform positioning drilling on multiple stacked circuit boards, completing the drilling work of multiple circuit boards at one time. When batch drilling is performed on circuit boards, the frequency of replacing circuit boards during drilling is effectively reduced, which is more efficient.

[0011] The utility model pre-drills holes in the circuit board by means of a laser drill, which can effectively reduce the deviation of the hole center and the ellipticity of the hole diameter when the drilling machine is drilling, and ensure that the hole shape is relatively complete, while greatly reducing the cutting resistance generated by the high-speed rotating drill bit during processing, and can play a certain centering role, improve the drilling efficiency and accuracy, and reduce the high temperature caused by the friction between the drill bit and the circuit board, which may cause wear on the drill bit and cause circuit failure on the heated surface of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the first guide rod, the material discharge frame, the screw rod and other components of the utility model.

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the second guide rod, the sliding block and the second transmission group of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of the screw and the clamping plate of the utility model.

[0016] Figure 5 It is a three-dimensional structural schematic diagram of the sliding frame, drilling machine, rotating cylinder and other components of the utility model.

[0017] In the accompanying drawings: 1_frame, 2_first transmission group, 3_first guide rod, 4_discharge frame, 5_screw, 6_support frame, 7_clamp, 8_second guide rod, 81_slider, 9_second transmission group, 10_rodless cylinder, 11_sliding frame, 12_drilling machine, 13_rotating cylinder, 14_connecting frame, 15_laser drill, 16_screen. DETAILED DESCRIPTION

[0018] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Example 1: A high-speed drilling device for circuit boards, see Figure 1-5, including a frame 1, a first transmission group 2, a first guide rod 3, a feeding frame 4, a support frame 6, a second guide rod 8, a slider 81, a second transmission group 9, a rodless cylinder 10, a sliding frame 11, a drilling machine 12 and a screen 16. The first transmission group 2 is arranged on the upper part of the frame 1. The first transmission group 2 is composed of a driving motor and a screw rod. The first guide rods 3 are fixedly arranged on the left and right sides of the upper part of the frame 1. A feeding frame 4 is slidably arranged between the two first guide rods 3. The feeding frame 4 is a frame structure with a hollow bottom. When drilling, the bottom side has no contact with the drill bit. The size of the feeding frame 4 should be consistent with the size of the circuit board to be drilled. When drilling, multiple circuit boards are neatly stacked in the feeding frame 4. The lower part of the feeding frame 4 is spirally connected to the screw rod of the first transmission group 2. Driven by the first transmission group 2, the feeding frame 4 will slide back and forth on the first guide rod 3. A support frame 6 for installing and supporting the drilling assembly of the equipment is fixedly connected to the frame 1. A second guide rod 8 is fixedly provided on both sides of the support frame 6, and a second transmission group 9 is installed on the left part of the support frame 6. The second transmission group 9 is composed of a transmission motor and a screw rod. Slide blocks 81 are slidably provided on the guide rods. The screw rods on the second transmission group 9 are threadedly connected to the slide block 81 on the left side. A rodless cylinder 10 is installed between the slide blocks 81. Driven by the second transmission group 9, the slide block will carry the rodless cylinder 10 to slide upward on the second guide rod 9. A sliding frame 11 is installed on the slide block 81 of the rodless cylinder 10. A drilling machine 12 is installed in the lower part of the sliding frame 11. The drilling machine 12 is a high-speed drilling machine. The drill bit rotates faster during drilling, the drilling accuracy is higher, the hole forming speed is faster, and the efficiency is higher. A screen 16 is installed on the left rear part of the support frame 6. The screen is provided with a program for controlling the operation of various components of the device. It is connected to the first transmission group 2, the second transmission group 9 and the rodless cylinder 10 through signals, and controls these components.

[0020] When drilling is required for the circuit board, firstly, a plurality of neatly stacked circuit boards are placed flatly into the material discharging frame 4. It should be noted that the size of the material discharging frame 4 should match the size of the circuit board to be drilled. When the circuit board is placed in the material discharging frame 4, the material discharging frame 4 can clamp the plurality of stacked circuit boards, and the circuit board will not slide or shift in the material discharging frame 4. Then, the program set on the screen 16 is used to control the operation of the first transmission group 2 and the rodless cylinder 10: the first transmission group 2 will drive the material discharging frame 4 to move back and forth on the guide rod, and the rodless cylinder 10 will drive the drilling machine 1 on the sliding frame 11 2 moves horizontally to the left and right, and the cooperation of the two enables the drill bit on the drilling machine 12 to move accurately to the position just above the desired drilling hole position. At the same time, the screen 16 can control the second transmission group 9 to drive the drilling machine 12 to move downward to drill holes after the drilling machine 12 determines the hole position. After the circuit board is placed in the material discharging frame 4, the high-speed drilling machine 12 is started. The drilling machine 12 performs positioning drilling on the multiple stacked circuit boards on the material discharging frame 4 under the program preset by the screen 16, and completes the drilling work of multiple circuit boards at one time. When the circuit boards are drilled in batches, the frequency of replacing the circuit boards during the drilling process is effectively reduced, which is more efficient.

[0021] Example 2: Based on Example 1, please see Figure 1 and Figure 5 , also includes a rotating cylinder 13, a connecting frame 14 and a laser drill 15. The laser drill 15 will emit a laser beam to irradiate the surface of the circuit board, generating photothermal effect, photochemical effect and photopressure effect, causing high temperature and high pressure to quickly generate on the surface of the material, thereby achieving drilling, and the laser emitter of the laser drill 15 and the drill bit of the drilling machine 12 are in the upper and lower concentric positions. The rotating cylinder 13 is installed on the lower right side of the sliding frame 11. The rotating cylinder 13 is connected to the screen 16 through a signal and is controlled by the screen 16. The connecting frame 14 is fixedly connected to the rotating clamp of the rotating cylinder 13. The laser drill 15 is installed on the left side of the connecting frame 14. The rotating cylinder 13 will drive the connecting frame 14 on which the laser drill 15 is installed to rotate upward 90 degrees.

[0022] Please see Figure 2 and Figure 4 , also includes a screw 5 and a clamping plate 7. The clamping plate 7 is symmetrically slidably arranged in the discharge frame 4. The left and right sides of the discharge frame 4 are both threadedly connected with screws 5. The two screws 5 are fixedly connected to the clamping plate 7 on the same side. The clamping plate 7 is driven by rotating the screws 5 on both sides to further clamp the circuit board in the discharge frame 4, ensuring that the laminated circuit boards are in a stressed and balanced state when they are clamped and fixed.

[0023] Initially, the laser emitter on the laser drill 15 and the drill bit on the drilling machine 12 are in the upper and lower concentric positions. After placing a number of stacked circuit boards on the feed frame 4, the clamping plates 7 are driven by rotating the screws 5 on both sides to further clamp the circuit boards in the feed frame 4 to ensure that the laminated circuit boards are in a stressed and balanced state without tilting when they are clamped and fixed, so as to avoid the circuit boards tilting at the stress points when the drill bit squeezes the circuit boards without external force between the plates, thereby affecting the processing accuracy. Before the drill bit drills holes, microholes are pre-drilled in the holes on the circuit boards by the laser drill 15. After the laser drill 15 completes the drilling, the screen 16 controls the rotating cylinder 13 to drive the connecting frame 14 upward Rotate 90 degrees to drive the laser drill 15 to rotate upward 90 degrees, and then control the second transmission group 9 to drive the drilling machine 12 to move downward to expand the small hole opened by the laser drill 15. Pre-drilling the circuit board by the laser drill 15 can effectively reduce the offset of the hole center and the ellipticity of the aperture when the drilling machine 12 is drilling, and ensure that the hole shape is relatively complete. At the same time, it greatly reduces the cutting resistance generated by the high-speed rotating drill bit during processing, and can play a certain centering role. While improving the drilling efficiency and accuracy, it reduces the friction between the drill bit and the circuit board to generate high temperature, wear the drill bit, and may cause circuit failure on the heated surface of the circuit board. After the drilling is completed, the clamps 7 on both sides are loosened, and the circuit board is taken out to complete the processing.

[0024] In a preferred embodiment, the frame of the material discharging frame 4 is made of a material that causes less wear to the circuit board, so as to avoid damage to the circuit board due to friction between the material discharging frame and the circuit board when the circuit board is taken or placed.

[0025] In a preferred embodiment, the first transmission group 2 and the second transmission group 9 are in a relatively uniform and stable transmission, and when the material discharging frame 4 and the drilling machine 12 move, there is no sudden start or stop, and the shaking is small during movement.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit board high-speed drilling device, comprising a frame (1), a first transmission group (2), a first guide rod (3), a material discharging frame (4) and a support frame (6), wherein the first transmission group (2) is arranged on the upper part of the frame (1). The first transmission group (2) is composed of a driving motor and a screw rod. First guide rods (3) are fixedly provided on both left and right sides of the upper part of the frame (1). A material discharging frame (4) is slidably provided between the two first guide rods (3). The lower part of the material discharging frame (4) is spirally connected to the screw rod of the first transmission group (2). A support frame (6) is fixedly connected to the frame (1). Its characteristics are: The invention also comprises a second guide rod (8), a slider (81), a second transmission group (9), a rodless cylinder (10), a sliding frame (11), a drilling machine (12) and a screen (16). The second guide rods (8) are fixedly arranged on both sides of the support frame (6). The left part of the support frame (6) is provided with a second transmission group (9). The second transmission group (9) is composed of a transmission motor and a screw rod. The guide rods are provided with sliders (81) in a sliding manner. The screw rod on the second transmission group (9) is threadedly connected with the slider (81) on the left side. The rodless cylinder (10) is installed between the sliders (81). The sliding frame (11) is installed on the slider (81) of the rodless cylinder (10). The drilling machine (12) is installed in the lower part of the sliding frame (11). The screen (16) is installed at the left rear part of the support frame (6).

2. A circuit board high-speed drilling device as claimed in claim 1, characterized in that: The invention also comprises a rotary cylinder (13), a connecting frame (14) and a laser drill (15). The rotary cylinder (13) is installed on the lower right side of the sliding frame (11). The connecting frame (14) is fixedly connected to the rotating clamping block of the rotary cylinder (13). The laser drill (15) is installed on the left side of the connecting frame (14).

3. A circuit board high-speed drilling device as claimed in claim 2, characterized in that: The device also comprises a screw rod (5) and a clamping plate (7). The clamping plate (7) is symmetrically slidably arranged in the material discharging frame (4). The left and right sides of the material discharging frame (4) are both threadedly connected with the screw rods (5). The two screw rods (5) are fixedly connected to the clamping plate (7) on the same side.

4. A circuit board high-speed drilling device as claimed in claim 3, characterized in that: The first transmission group (2) and the second transmission group (9) are relatively uniform and stable during transmission.

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