Perforating device for surface mounting of circuit board

Abstract

The utility model discloses a perforating device for circuit board surface mounting, which comprises a concentric-square-shaped seat, the right rear side of the inner wall of the bottom of the concentric-square-shaped seat is fixedly connected with an L-shaped limiting plate, the inner wall of the top of the concentric-square-shaped seat is fixedly provided with a cross-shaped electric sliding table, and the bottom of the moving end of the cross-shaped electric sliding table is fixedly connected with two electric telescopic rods. The extending ends of the two electric telescopic rods are fixedly connected with the same U-shaped plate. By arranging a series of structures, the positions of the drill bits can be conveniently adjusted according to the drilling positions, a circuit board can be fixedly pressed, the corresponding drill bits can be directly replaced and adjusted in the four drill bits to move out for rotary drilling work according to the needed hole diameter, and the drill bits do not need to be manually disassembled, assembled and replaced back and forth according to the needed hole diameter; the effect of automatically switching the drill bits needing to be used is achieved, operation is easy and convenient, the working efficiency is improved, the drill bits can be conveniently and automatically stored, protected and hidden after use, the risk that workers touch the drill bits mistakenly to be scratched when taking and placing circuit boards is reduced, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board perforation, in particular to a perforation device for circuit board patches. Background Art

[0002] Circuit boards have the characteristics of high wiring density, light weight, thin thickness and good bendability. The birth and development of hard-flex boards - FPC and PCB have given rise to a new product, hard-flex boards. Therefore, hard-flex boards are flexible circuit boards and rigid circuit boards, which are combined together according to relevant process requirements after pressing and other processes to form a circuit with FPC characteristics and PCB characteristics. At present, in the production and processing of circuit boards, there is usually a perforation process for inserting chip electronic components. When using traditional perforators, workers need to replace drill bits of different sizes because different circuit boards require different drilling diameters.

[0003] According to the detection by the novelty checking agency, announcement number CN217563873U discloses a perforating device for circuit board patches, including a base, a clamping assembly, a dust removal assembly, a support plate, a drilling machine and a storage assembly, wherein a clamping assembly is provided above the base, and a storage assembly is provided on the base, and the storage assembly includes a circuit board storage box and a drill storage box, and the circuit board storage box and the drill storage box are respectively arranged on both sides of the clamping assembly, and a cover plate is slidably installed on the drill storage box; a drill storage box is provided on the base for storing drill bits, and a clamp seat is provided inside the drill storage box, so that drill bits of different sizes can be stored, and the drill bits can be protected at the same time, and it is also convenient for operators to take out and replace, which greatly reduces the operation and replacement time.

[0004] The above technology can store a variety of drill bits by arranging a drill bit storage box on the base, which is convenient for personnel to find the drill bits for disassembly, assembly and replacement. After replacement, the drill bit is driven to rotate and move downward to drill holes in the circuit board. However, this method has the following shortcomings when used: 1. It is still necessary to manually disassemble and replace the drill bit back and forth according to the required aperture, and the drill bit required for use cannot be automatically switched, the operation is cumbersome, and the work efficiency is low; 2. The drill bit is directly exposed to the outside after use, and there is a risk of accidental scratching and injuring personnel when taking and placing the circuit board, and the safety of use is not ideal; in view of this, the present application proposes a perforating device for circuit board patches to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a punching device for circuit board patch to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching device for circuit board patches, comprising a round-shaped seat, an L-shaped limit plate is fixedly connected to the right rear side of the bottom inner wall of the round-shaped seat, a cross electric slide is fixedly installed on the top inner wall of the round-shaped seat, two electric telescopic rods are fixedly connected to the bottom of the moving end of the cross electric slide, the extended ends of the two electric telescopic rods are fixedly connected to the same U-shaped plate, the bottom of the U-shaped plate is fixedly connected to a transparent shield with a blocking structure at the top, the cross electric slide is used to drive the U-shaped plate and the transparent shield to move forward, backward, left and right through the two electric telescopic rods, and the electric telescopic rod is used to drive the transparent shield to move downward through the U-shaped plate to press the circuit board;

[0007] Four telescopic elastic support assemblies are rotatably embedded in a ring-shaped and equidistant manner on the top inner wall of the transparent pressure shield, and the bottom ends of the four telescopic elastic support assemblies are fixedly connected to drill bits, and the four drill bits have different diameters. A rotary-adjustable extrusion downward movement assembly that cooperates with the four telescopic elastic support assemblies is fixedly installed on the top inner wall of the U-shaped plate, and the same joint rotation assembly is fixedly sleeved on the four telescopic elastic support assemblies. A rotating motor with an output shaft fixedly connected to the joint rotation assembly is fixedly installed on the top of the transparent pressure shield. The telescopic elastic support assembly is used for vertically guiding and elastically supporting the corresponding drill bit, and the rotary-adjustable extrusion downward movement assembly is used for extruding and driving the corresponding telescopic elastic support assembly downward to drive the corresponding drill bit to move out, and the joint rotation assembly is used to drive the four drill bits to rotate synchronously through the four telescopic elastic support assemblies when the rotating motor is started, and a drill bit that moves downward and rotates is used to drill holes in the circuit board.

[0008] Preferably, the telescopic elastic support assembly includes a square rotating sleeve rotatably embedded on the inner wall of the top of the transparent pressure protection cover, a square rod is provided in the sliding sleeve of the square rotating sleeve, the bottom end of the square rod is fixedly connected to the top of the corresponding drill bit, the top end of the square rod extends into the U-shaped plate and is fixedly connected to a limiting block, a spring is fixedly connected between the bottom of the limiting block and the top of the corresponding square rotating sleeve, and the spring movable sleeve is arranged on the corresponding square rod.

[0009] Preferably, the rotary-adjustable extrusion downward moving component includes a brake motor embedded and fixed on the inner wall of the top of the U-shaped plate, the bottom end of the output shaft of the brake motor is fixedly connected to a turntable, an electric push rod is embedded and fixed on the left side of the bottom of the turntable, the protruding end of the electric push rod is fixedly connected to an extrusion block, and a ball is movably embedded at the bottom of the extrusion block, the ball cooperates with four limit blocks and is located above the limit block on the left.

[0010] Preferably, the coupling assembly includes a first gear fixedly connected to the bottom end of the output shaft of the rotating motor, four sides of the first gear are meshed with second gears, and the four second gears are respectively fixedly sleeved on corresponding square rotating sleeves.

[0011] Preferably, a non-slip rubber ring is bonded and fixed to the bottom of the transparent pressure shield.

[0012] Preferably, a synchronous control switch is fixedly installed on the front side of the electric telescopic rod on the left side, and both electric telescopic rods are electrically connected to the synchronous control switch.

[0013] Preferably, a plurality of through holes are formed on the inner wall of the bottom of the circular seat.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This circuit board patch punching device can adjust the position of the drill bit according to the drilling position and press the circuit board through the cooperation of the cross electric slide, electric telescopic rod, U-shaped plate, transparent pressure shield, drill bit and anti-slip rubber ring;

[0016] 2. The present invention relates to a punching device for circuit board patches. Through the cooperation of the U-shaped plate, the rotating motor, the transparent pressure shield, the drill bit, the telescopic spring support assembly, the rotary-adjustable extrusion downward assembly and the rotating linkage assembly, four drill bits can be directly replaced and moved out and driven to rotate. The four drill bits can be directly replaced and moved out, so it is convenient to directly replace and adjust the corresponding drill bits according to the required apertures for drilling. There is no need to manually disassemble and replace the drill bits according to the required apertures, so the effect of automatically switching the drill bits to be used can be achieved. The operation is simple, the disassembly and replacement time is saved, and the work efficiency is improved. The drill bits can be automatically stored, protected and hidden after use, so the risk of scratches caused by accidental contact with the drill bits when people take and put circuit boards is reduced, thereby improving the safety of use.

[0017] The utility model discloses adopts the structure that can adjust the drill bit according to the drilling position and press the circuit board, and can directly adjust the corresponding drill bit among the four drill bits according to the required hole diameter and move it out to perform rotary drilling work, without the need for manual disassembly and replacement of the drill bit according to the required hole diameter, so as to realize the effect of automatically switching the drill bit to be used, and the operation is simple and the work efficiency is improved. In addition, the drill bit can be automatically stored, protected and hidden after use, so as to reduce the risk of scratches caused by accidental contact with the drill bit when personnel take and put the circuit board, and improve the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a punching device for circuit board patch proposed by the utility model;

[0019] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0020] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A in the figure.

[0021] In the figure: 1. circular seat; 101. through hole; 102. L-shaped limit plate; 2. cross electric slide; 3. electric telescopic rod; 4. U-shaped plate; 5. transparent pressure shield; 6. drill bit; 7. square sleeve; 8. second gear; 9. square rod; 10. limit block; 11. spring; 12. first gear; 13. rotating motor; 14. brake motor; 15. turntable; 16. extrusion block; 17. electric push rod; 18. ball bearing. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 3 As shown, a punching device for circuit board patch proposed in this embodiment includes a round-shaped seat 1, an L-shaped limit plate 102 is fixedly connected to the right rear side of the bottom inner wall of the round-shaped seat 1, a cross electric slide 2 is fixedly installed on the top inner wall of the round-shaped seat 1, two electric telescopic rods 3 are fixedly connected to the bottom of the moving end of the cross electric slide 2, a synchronous control switch is fixedly installed on the front side of the electric telescopic rod 3 on the left, the two electric telescopic rods 3 are electrically connected to the synchronous control switch, which facilitates the synchronous opening and closing of the two electric telescopic rods 3, and the protruding ends of the two electric telescopic rods 3 are fixedly connected to The same U-shaped plate 4 is fixedly connected to the bottom of the U-shaped plate 4 with a transparent protective pressure cover 5 with a blocking structure at the top, and a non-slip rubber ring is bonded and fixed to the bottom of the transparent protective pressure cover 5. A plurality of through holes 101 are provided on the bottom inner wall of the round-shaped seat 1. The U-shaped plate 4 and the transparent protective pressure cover 5 are driven to move forward, backward, left and right by two electric telescopic rods 3 using a cross electric slide 2. The transparent protective pressure cover 5 is driven downward by the electric telescopic rod 3 through the U-shaped plate 4 to press the circuit board. The non-slip rubber ring is used to enhance the non-slip effect of pressing the circuit board when the transparent protective pressure cover 5 moves downward;

[0024] Four telescopic elastic support assemblies are rotatably embedded in a ring-shaped and equidistant manner on the top inner wall of the transparent pressure shield 5. The bottom ends of the four telescopic elastic support assemblies are fixedly connected to drill bits 6. The diameters of the four drill bits 6 are different. A rotary-adjustable extrusion downward movement assembly that cooperates with the four telescopic elastic support assemblies is fixedly installed on the top inner wall of the U-shaped plate 4. The four telescopic elastic support assemblies are fixedly sleeved with the same rotating assembly. A rotating motor 13 with an output shaft fixedly connected to the rotating assembly is fixedly installed on the top of the transparent pressure shield 5. The telescopic elastic support assembly is used for vertically guiding and elastically supporting the corresponding drill bit 6. The rotary-adjustable extrusion downward movement assembly is used for extruding and driving the corresponding telescopic elastic support assembly downward to drive the corresponding drill bit 6 to move out. The rotating assembly is used to drive the four drill bits 6 to rotate synchronously through the four telescopic elastic support assemblies when the rotating motor 13 is started, and a drill bit 6 that moves downward and rotates is used to drill holes in the circuit board.

[0025] Specifically, the telescopic elastic support assembly includes a square rotating sleeve 7 rotatably embedded on the inner wall of the top of the transparent pressure protection cover 5, wherein four circular embedding holes are opened in a ring-shaped manner with equal intervals on the inner wall of the top of the transparent pressure protection cover 5, and a bearing is fixedly sleeved in the circular embedding hole, and the inner side of the inner ring of the bearing is fixedly connected to the outer side of the corresponding square rotating sleeve 7, so as to achieve the effect of rotatably installing the square rotating sleeve 7, and a square rod 9 is slidingly sleeved in the square rotating sleeve 7, and the bottom end of the square rod 9 is fixedly connected to the top of the corresponding drill bit 6, and the top of the square rod 9 extends into the U-shaped plate 4 and is fixedly connected to a limiting block 10, and a spring 11 is fixedly connected between the bottom of the limiting block 10 and the top of the corresponding square rotating sleeve 7, and the spring 11 is movably sleeved on the corresponding square rod 9; the square rotating sleeve 7, square rod 9, spring 11 and limiting block 10 are arranged to cooperate, and the square rotating sleeve 7 is used to vertically guide the corresponding square rod 9 to realize vertical guidance of the drill bit 6, and the elastic force of the spring 11 is used to perform elastic support work.

[0026] Furthermore, the rotary-adjustable extrusion downward moving component includes a brake motor 14 embedded and fixed on the inner wall of the top of the U-shaped plate 4, the bottom end of the output shaft of the brake motor 14 is fixedly connected to a turntable 15, and an electric push rod 17 is embedded and fixed to the left side of the bottom of the turntable 15, wherein the left side of the bottom of the turntable 15 is provided with an embedded through hole fixedly connected to the outer side of the electric push rod 17, the protruding end of the electric push rod 17 is fixedly connected to an extrusion block 16, and a ball 18 is movably embedded at the bottom of the extrusion block 16, and the ball 18 cooperates with the four limit blocks 10 and is located above the limit block 10 on the left; the brake motor 14, turntable 15, electric push rod 17, extrusion block 16 and ball 18 are arranged to cooperate, and when the corresponding drill bit 6 needs to be moved out for use, the brake motor 14 is started to drive the turntable 15 to rotate, and the turntable 15 is moved by the electric push rod 17 drives the extrusion block 16 to rotate to the top of the corresponding drill bit 6, closes the brake motor 14 and starts the electric push rod 17 in the forward direction, the electric push rod 17 drives the ball 18 to move downward through the extrusion block 16, the ball 18 squeezes and drives the corresponding limit block 10 to move downward and compresses the spring 11, the limit block 10 drives the drill bit 6 to move downward through the corresponding square rod 9, so that it is convenient to rotate and adjust drill bits 6 of different specifications according to the requirements of different apertures, without the need for separate disassembly and replacement, thereby improving work efficiency. In addition, when the electric push rod 17 is started in the reverse direction to release the extrusion force, the elastic force of the spring 11 in the compressed state can be used to drive the drill bit 6 to move back upward through the corresponding limit block 10 and the square rod 9 in turn and be stored in the transparent pressure shield 5, so as to achieve the effect of storing and protecting the drill bit 6 when not in use, thereby reducing the risk of accidental injury to personnel.

[0027] Furthermore, the coupling assembly includes a first gear 12 fixedly connected to the bottom end of the output shaft of the rotating motor 13, and the four sides of the first gear 12 are meshed with second gears 8, and the four second gears 8 are respectively fixedly sleeved on the corresponding square rotating sleeves 7; the rotating motor 13, the first gear 12 and the second gear 8 cooperate with each other, and the rotating motor 13 is used to drive the first gear 12 to rotate, the first gear 12 drives the four second gears 8 to rotate, and the four second gears 8 drive the four square rotating sleeves 7 to rotate. The square parts have the characteristic of corners being locked, and when the square rotating sleeve 7 rotates, the corresponding square rod 9 can be driven to rotate as a whole through the corners of the square rod 9, and the square rod 9 drives the corresponding drill bit 6 to rotate, and when the drill bit 6 rotates, a drill bit 6 moved downward is used to perform drilling work.

[0028] The method of using this embodiment is as follows: when in use, place one corner of the circuit board on the inner side of the L-shaped limit plate 102, use the cross electric slide 2 to drive the two electric telescopic rods 3 to move forward, backward, left and right, and the two electric telescopic rods 3 drive the transparent pressure shield 5 to move forward, backward, left and right through the U-shaped plate 4, thereby driving the four drill bits 6 to move forward, backward, left and right. When one of the drill bits 6 to be used moves to the position where a hole needs to be drilled on the circuit board, close the cross electric slide 2, start the rotating motor 13 and start the two electric telescopic rods 3 in the forward direction, and the two electric telescopic rods 3 drive the transparent pressure shield 5 to move downward through the U-shaped plate 4, and the transparent pressure shield 5 drives the anti-slip rubber ring to press the circuit board downward;

[0029] When the rotating motor 13 is started, it drives the first gear 12 to rotate, the first gear 12 drives the four second gears 8 to rotate, the four second gears 8 drive the four square rotating sleeves 7 to rotate, and the square pieces have the characteristic of corners being locked, so that when the square rotating sleeves 7 rotate, the corners of the corresponding square rods 9 can be broken and driven to rotate as a whole, and the square rods 9 drive the corresponding drill bits 6 to rotate. The personnel starts the brake motor 14 to drive the turntable 15 to rotate, and when the turntable 15 drives the extrusion block 16 to rotate to the top of the drill bit 6 to be used through the electric push rod 17, the brake motor 14 is closed and the electric push rod 17 is started forward, and the electric push rod 17 is turned on. The ball 18 is driven downward by the extrusion block 16, and the ball 18 extrudes and drives the corresponding limit block 10 to move downward and compress the spring 11. The limit block 10 drives the drill bit 6 to move downward through the corresponding square rod 9. At this time, a drill bit 6 that moves downward and rotates downward performs drilling work on the circuit board. The four drill bits 6 can be directly replaced and moved out for drilling, which is convenient for directly replacing and adjusting the corresponding drill bit 6 according to the required aperture. There is no need to manually disassemble and replace the drill bit 6 back and forth according to the required aperture, so that the effect of automatically switching the drill bit 6 to be used is achieved, which is easy to operate, saves disassembly and replacement time, and improves work efficiency;

[0030] After use, the electric push rod 17 is started in reverse so that it drives the ball 18 to release the squeezing force on the limit block 10 through the squeezing block 16. At this time, the elastic force of the spring 11 in the compressed state drives the drill bit 6 to move back upward and be stored in the transparent pressure protection cover 5 through the corresponding limit block 10 and the square rod 9 in turn, so as to achieve the effect of automatically storing, protecting and hiding the drill bit 6 when not in use, reducing the risk of scratches caused by accidentally touching the drill bit 6 when taking and placing circuit boards, thereby improving safety in use.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A punching device for a circuit board patch, comprising a circular seat (1), characterized in that: An L-shaped limit plate (102) is fixedly connected to the right rear side of the bottom inner wall of the revolving seat (1); a cross electric slide (2) is fixedly installed on the top inner wall of the revolving seat (1); two electric telescopic rods (3) are fixedly connected to the bottom of the moving end of the cross electric slide (2); the extended ends of the two electric telescopic rods (3) are fixedly connected to the same U-shaped plate (4); the bottom of the U-shaped plate (4) is fixedly connected to a transparent pressure shield (5) with a blocking structure at the top; Four telescopic elastic support assemblies are rotatably embedded in a ring shape at equal intervals on the top inner wall of the transparent pressure shield (5), and the bottom ends of the four telescopic elastic support assemblies are fixedly connected to drill bits (6), and the diameters of the four drill bits (6) are different. A rotary adjustment type extrusion downward moving assembly that cooperates with the four telescopic elastic support assemblies is fixedly installed on the top inner wall of the U-shaped plate (4), and the same rotating assembly is fixedly sleeved on the four telescopic elastic support assemblies. A rotating motor (13) whose output shaft is fixedly connected to the rotating assembly is fixedly installed on the top of the transparent pressure shield (5).

2. A punching device for circuit board patch according to claim 1, characterized in that: The telescopic elastic support assembly comprises a square rotating sleeve (7) rotatably embedded on the inner wall of the top of the transparent pressure shield (5); a square rod (9) is slidably sleeved inside the square rotating sleeve (7); the bottom end of the square rod (9) is fixedly connected to the top of the corresponding drill bit (6); the top end of the square rod (9) extends into the U-shaped plate (4) and is fixedly connected to a limiting block (10); a spring (11) is fixedly connected between the bottom of the limiting block (10) and the top of the corresponding square rotating sleeve (7); and the spring (11) is movably sleeved on the corresponding square rod (9).

3. A punching device for circuit board patch according to claim 2, characterized in that: The rotary adjustment type extrusion downward moving component comprises a brake motor (14) embedded and fixed on the inner wall of the top of the U-shaped plate (4); the bottom end of the output shaft of the brake motor (14) is fixedly connected to a turntable (15); an electric push rod (17) is embedded and fixed on the left side of the bottom of the turntable (15); the protruding end of the electric push rod (17) is fixedly connected to an extrusion block (16); a ball (18) is movably embedded at the bottom of the extrusion block (16); the ball (18) cooperates with four limit blocks (10) and is located above the limit block (10) on the left.

4. A punching device for circuit board patch according to claim 2, characterized in that: The coupling rotation assembly comprises a first gear (12) fixedly connected to the bottom end of the output shaft of the rotating motor (13), four sides of the first gear (12) are meshed with second gears (8), and the four second gears (8) are respectively fixedly sleeved on corresponding square rotating sleeves (7).

5. A punching device for circuit board patch according to claim 1, characterized in that: An anti-slip rubber ring is bonded and fixed to the bottom of the transparent pressure shield (5).

6. A punching device for circuit board patch according to claim 1, characterized in that: A synchronous control switch is fixedly installed on the front side of the electric telescopic rod (3) located on the left side, and both electric telescopic rods (3) are electrically connected to the synchronous control switch.

7. A punching device for a circuit board patch according to claim 1, characterized in that: A plurality of through holes (101) are provided on the inner wall of the bottom of the circular seat (1).

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