PCB through hole device

Abstract

The utility model discloses a PCB (printed circuit board) through hole device, which relates to the technical field of PCB processing, and comprises a base, the top of the base is fixedly connected with a support frame, the support frame is provided with a punching mechanism, the top of the base is rotatably connected with a circular truncated cone, the circular truncated cone is driven by a first motor, the top of the circular truncated cone is provided with a plurality of placing grooves in a surrounding manner, and the placing grooves are arranged on the base. A rectangular pressing plate is slidably arranged in the containing groove, a sliding groove is formed in the containing groove, a sliding block is slidably connected into the sliding groove, and the sliding block is fixedly connected with one side of the rectangular pressing plate. The bottom of the sliding block is fixedly connected with a spring, and the bottom end of the spring is fixedly connected to the inner wall of the bottom of the sliding groove. According to the PCB drilling device, the circular truncated cone is arranged, the containing grooves in the top of the circular truncated cone are sequentially rotated to the position below the drill bit, and therefore drilling of a PCB can be continuously achieved, shutdown is not needed, and machining efficiency can be improved easily; and meanwhile, the rectangular pressing plate in the placement groove is used for fixing the PCB.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, in particular to a PCB board through-hole device. Background Art

[0002] During the production process of circuit boards, holes need to be drilled. The main purpose of drilling holes is to make electrical connections and install components.

[0003] After searching, a Chinese patent application, a utility model patent with publication number CN215835610U, discloses a balanced punching device for PCB circuit board processing, including a table body, a punching structure, and a pressure plate structure. The interior of the table body is movably connected to the outer surface of the punching structure, and the interior of the table body is movably connected to the outer surface of the pressure plate structure. The table body includes a workbench, the bottom of the workbench is fixedly connected to a round tube table foot, the top of the workbench is fixedly connected to a first fixed block, and a punching needle is arranged inside the first fixed block. When the punching needle punches the PCB circuit board, the PCB circuit board is placed on the top of the mold plate, and elastic glue is arranged around the mold holes. According to the distribution of the mold holes, elastic glue is added to the parts with dense punching holes to improve the balance of stripping, reduce the copper warping phenomenon of the PCB circuit board, reduce the number of mold needle breakage and mold repair frequency, improve the soldering effect, and achieve the effect of improving the production efficiency of the punching machine.

[0004] In the above patent application documents, the PCB board needs to be placed on the top of the mold plate and then punched. After the punching is completed, the staff needs to remove it and then place a new PCB board. During the installation of the PCB board, the equipment can only be stopped, resulting in an extension of the production cycle; for this reason, the utility model provides a PCB board through-hole device. Utility Model Content

[0005] The technical problem solved by the utility model is as follows: in the prior art, a PCB board needs to be placed on the top of a mold plate and then punched. After the punching is completed, a worker needs to remove it and then place a new PCB board. During the process of installing the PCB board, the equipment can only be stopped, which prolongs the production cycle.

[0006] The utility model can be implemented through the following technical scheme: a PCB board through-hole device, including a base, a support frame fixedly connected to the top of the base, a punching mechanism installed on the support frame, a round table rotatably connected to the top of the base, the round table is driven by a first motor, a plurality of placement grooves are arranged around the top of the round table, a rectangular pressure plate is slidably arranged in the placement groove, a slide groove is opened in the placement groove, a slider is slidably connected in the slide groove, and the slider is fixed to one side of the rectangular pressure plate; a spring is fixed to the bottom of the slider, and the bottom end of the spring is fixed to the bottom inner wall of the slide groove.

[0007] A further technical improvement of the utility model is that: a plurality of threaded rods are also penetrated and rotatably arranged on the top of the truncated table, the bottom ends of the threaded rods are against the top of the sliding block, and the rectangular pressing plate is used to realize the extrusion of the rectangular pressing plate.

[0008] A further technical improvement of the utility model is that a cavity is arranged inside the truncated table, a discharge hole is opened at the top of the placement groove, and the bottom end of the discharge hole is communicated with the cavity.

[0009] A further technical improvement of the utility model is that a discharge groove is provided on one side of the truncated table, and the discharge groove is communicated with the cavity, and an arc plate is inserted into the inner wall of the discharge groove, and the arc plate realizes the closure of the discharge groove.

[0010] A further technical improvement of the utility model is that the punching mechanism includes a push rod that passes through and is slidably connected to the top of the support frame, the bottom end of the push rod is fixedly connected to a mounting frame, the inner wall of the mounting frame is fixedly connected to a second motor, the output shaft of the second motor is fixedly connected to a drill bit, the top of the support frame is fixedly connected to an electric cylinder, and the output shaft of the electric cylinder is fixedly connected to the top of the push rod.

[0011] A further technical improvement of the utility model is that a rubber layer is fixedly connected to the bottom of the rectangular pressing plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by setting a truncated table, the placement slot on the top of the truncated table is rotated to the bottom of the drill bit in sequence, so that the drilling of the PCB board can be realized continuously without stopping the machine, which is beneficial to improving the processing efficiency; at the same time, the rectangular pressing plate in the placement slot is used to fix the PCB board.

[0014] 2. In the utility model, by setting the discharge hole and the cavity, the debris generated by drilling will directly enter the cavity from the discharge hole, avoiding the accumulation of debris in the placement groove. By setting the discharge groove and the arc plate on one side of the truncated table, it is convenient to clean the debris inside the cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the external structure of the utility model from another perspective;

[0018] Figure 3 For this utility model Figure 1 A partial enlarged view of the middle A;

[0019] Figure 4 It is a partial cross-sectional view of the placement groove of the round table in the utility model.

[0020] In the figure: 1. base; 2. support frame; 3. push rod; 4. mounting frame; 5. drill bit; 6. round table; 7. placement groove; 8. rectangular pressure plate; 9. slide groove; 10. slider; 11. threaded rod; 13. discharge hole; 14. arc plate. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] See also Figure 1-Figure 4 As shown, a PCB board through-hole device comprises a base 1, a support frame 2 is fixedly connected to the top of the base 1, a punching mechanism is installed on the support frame 2, the punching mechanism comprises a push rod 3 which passes through and is slidably connected to the top of the support frame 2, a mounting frame 4 is fixedly connected to the bottom end of the push rod 3, a second motor is fixedly connected to the inner wall of the mounting frame 4, a drill bit 5 is fixedly connected to the output shaft of the second motor, an electric cylinder is fixedly connected to the top of the support frame 2, and the output shaft of the electric cylinder is fixedly connected to the top of the push rod 3; starting the second motor makes the second motor drive the drill bit 5 to rotate rapidly, and at the same time, the electric cylinder drives the mounting frame 4 to move downward, so that the drill bit 5 can contact the PCB board, thereby realizing drilling of the PCB board;

[0023] In order to realize continuous drilling of PCB board, a round table 6 is rotatably connected to the top of the base 1, and the round table 6 is driven by a first motor, and the first motor is fixedly installed on the bottom of the base 1. A plurality of placement grooves 7 are arranged around the top of the round table 6, and a rectangular pressing plate 8 is slidably arranged in the placement groove 7. A slide groove 9 is provided in the placement groove 7, and a slider 10 is slidably connected in the slide groove 9, and the slider 10 is fixedly connected to one side of the rectangular pressing plate 8; a spring is fixedly connected to the bottom of the slider 10, and the bottom end of the spring is fixedly connected to the bottom inner wall of the slide groove 9; a plurality of threaded rods 11 are also penetrated and rotatably arranged on the top of the round table 6, and the bottom end of the threaded rod 11 is against the top of the slider 10, and the rectangular pressing plate 8 is used to realize the extrusion of the rectangular pressing plate 8; the spring is used to realize the support of the rectangular pressing plate 8, so that there is a certain distance between the rectangular pressing plate 8 and the placement groove 7;

[0024] When positioning the PCB board, it is only necessary to place the PCB board into the placement groove 7 from the gap between the bottom of the placement groove 7 and the rectangular pressing plate 8, and then rotate the threaded rod 11 to make the bottom end of the threaded rod 11 move downward, and squeeze the slider 10, so that the slider 10 drives the rectangular pressing plate 8 to move downward until it is pressed on the top of the PCB board, thereby achieving the squeezing and fixing of the PCB board. When the drilling of the PCB board under the drill bit 5 is completed, the first motor drives the round table 6 to rotate, so that the PCB board in another placement groove 7 is located under the drill bit 5, thereby continuing to drill the PCB board, and the PCB board that has been drilled can be taken out of the placement groove 7, and then the PCB board that has not been drilled can be placed, and the PCB board can be fixed. In this way, the drilling of the PCB board can be continuously achieved without stopping the machine, which is conducive to improving the processing efficiency.

[0025] In order to prevent the rectangular pressing plate 8 from scratching the surface of the PCB, a rubber layer is fixed to the bottom of the rectangular pressing plate 8 .

[0026] Furthermore, a cavity is provided inside the truncated cone 6 , a discharge hole 13 is provided at the top of the placement groove 7 , and the bottom end of the discharge hole 13 is connected to the cavity, so that the debris generated by drilling will directly enter the cavity from the discharge hole 13 to avoid the accumulation of debris in the placement groove 7 .

[0027] In order to clean the debris inside the cavity, a discharge groove is opened on one side of the truncated cone 6, and the discharge groove is connected to the cavity. An arc plate 14 is inserted into the inner wall of the discharge groove, and the arc plate 14 is used to close the discharge groove. By pulling the arc plate 14 out of the discharge groove, the debris in the cavity can be cleaned out of the truncated cone 6.

[0028] When the utility model is used, when positioning the PCB board, it is only necessary to put the PCB board into the placement groove 7 from the gap between the bottom of the placement groove 7 and the rectangular pressing plate 8, and then rotate the threaded rod 11 to make the bottom end of the threaded rod 11 move downward, and squeeze the slider 10, so that the slider 10 drives the rectangular pressing plate 8 to move downward until it is pressed on the top of the PCB board, so as to achieve the extrusion and fixation of the PCB board, and then start the second motor to make the second motor drive the drill bit 5 to rotate quickly, and at the same time, the electric cylinder drives the mounting frame 4 to move downward, so that the drill bit 5 can contact with the PCB board, and then realize the drilling of the PCB board; when the drilling of the PCB board under the drill bit 5 is completed, the first motor drives the round table 6 to rotate, so that the PCB board in another placement groove 7 is located under the drill bit 5, so as to continue to realize the drilling of the PCB board, and the PCB board that has been drilled can be taken out of the placement groove 7, and then the PCB board that has not been drilled is placed, and the PCB board is fixed, so that the drilling of the PCB board can be continuously realized without stopping, which is conducive to improving the processing efficiency.

[0029] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A PCB through-hole device, comprising a base (1), a support frame (2) fixedly connected to the top of the base (1), a punching mechanism installed on the support frame (2), characterized in that: The top of the base (1) is rotatably connected to a round table (6), which is driven by a first motor. A plurality of placement grooves (7) are arranged around the top of the round table (6), a rectangular pressure plate (8) is slidably arranged in the placement groove (7), a slide groove (9) is provided in the placement groove (7), a slider (10) is slidably connected in the slide groove (9), and the slider (10) is fixedly connected to one side of the rectangular pressure plate (8); a spring is fixedly connected to the bottom of the slider (10), and the bottom end of the spring is fixedly connected to the bottom inner wall of the slide groove (9).

2. A PCB through-hole device according to claim 1, characterized in that: A plurality of threaded rods (11) are also rotatably disposed through the top of the truncated table (6), the bottom ends of the threaded rods (11) are against the top of the slider (10), and the rectangular pressing plate (8) is used to achieve extrusion of the rectangular pressing plate (8).

3. A PCB through-hole device according to claim 1, characterized in that: A cavity is provided inside the truncated table (6), a discharge hole (13) is provided at the top of the placement groove (7), and the bottom end of the discharge hole (13) is communicated with the cavity.

4. A PCB through-hole device according to claim 3, characterized in that: A discharge groove is provided on one side of the truncated table (6), and the discharge groove is communicated with the cavity. An arc plate (14) is inserted into the inner wall of the discharge groove, and the arc plate (14) closes the discharge groove.

5. A PCB through-hole device according to claim 1, characterized in that: The punching mechanism comprises a push rod (3) which passes through and is slidably connected to the top of the support frame (2); the bottom end of the push rod (3) is fixedly connected to a mounting frame (4); a second motor is fixedly connected to the inner wall of the mounting frame (4); a drill bit (5) is fixedly connected to the output shaft of the second motor; an electric cylinder is fixedly connected to the top of the support frame (2); and the output shaft of the electric cylinder is fixedly connected to the top of the push rod (3).

6. A PCB through-hole device according to claim 1, characterized in that: A rubber layer is fixedly connected to the bottom of the rectangular pressing plate (8).

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