Laser drilling equipment with double positioning structure for circuit board

Abstract

The utility model belongs to the technical field of circuit board processing, and particularly relates to laser drilling equipment with a double positioning structure for a circuit board, which comprises a positioning table and a laser drilling machine, the laser drilling machine is arranged above the positioning table, a positioning device is arranged on the upper surface of the positioning table, and the positioning device comprises a power unit, a clamping unit and a fastening unit. According to the laser drilling equipment with the double-positioning structure for the circuit board, after the circuit board is placed on the positioning table, a bidirectional motor is started to drive a lead screw in a transmission part to rotate, and then a threaded sliding sleeve on the lead screw and a mounting frame at the top of the threaded sliding sleeve are driven to relatively move in a limiting sliding groove, so that the circuit board is clamped and positioned; when the clamping plate is in contact with the surface of the circuit board, thrust generated by contact of the clamping plate and the circuit board pushes the sliding rod to slide towards the interior of the sliding sleeve and extrudes the flexible spring until the two electric contacts are in contact and send out an electric signal, and the bidirectional motor stops running immediately, so that the situation that the circuit board is damaged due to excessive clamping is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a laser punching device with a double positioning structure for a circuit board. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. A circuit board is composed of an integrated circuit, a quartz oscillator, a fine-tuning capacitor and a printed circuit board. The circuit board miniaturizes and visualizes the circuit, and plays an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. In the production process of the circuit board, holes need to be punched on its surface, but the fixing effect of existing laser punching equipment is not ideal, which may cause the problem of low punching accuracy.

[0003] As disclosed in Chinese patent announcement No. CN211248836U, a laser punching device with a dual positioning structure for a circuit board is used. When in use, the handle is first pulled to compress the spring and move the push plate outward, and then the handle is connected to the hook, and then the circuit board is filled into the new type through the board entry hole. At this time, the circuit board is at the upper end of the punching groove, and the circuit board is placed under the pressure hook, and the hook is separated from the handle. At this time, the spring pushes the push plate, so that the push plate pushes the circuit board to move inward. At this time, the circuit board is against the pressure hook on the inner side of the pressure plate, and the cover plate is closed to place the buckle in the card slot. At this time, the buckle presses the pressure slot, forcing the pressure plate to descend, and the pressure hook descends and presses on the circuit board. At this time, under the simultaneous action of the thrust of the push plate pushing inward and the pressure of the pressure hook pressing downward, the circuit board can be effectively fixed in the punching groove. Under the cooperation of the above-mentioned dual fixing structure, it is only necessary to set the punching position to ensure the punching accuracy, thereby avoiding the displacement of the circuit board during the punching process.

[0004] However, the laser punching device with a dual positioning structure for the circuit board in the above application has certain limitations because the circuit board is relatively fragile and is prone to damage due to excessive clamping when clamping and positioning the circuit board.

[0005] For this reason, we urgently need to provide a laser punching device with a dual positioning structure for a circuit board. Utility Model Content

[0006] The purpose of the utility model is to provide a laser punching device with a dual positioning structure for a circuit board, so as to solve the problem that the laser punching device with a dual positioning structure for a circuit board proposed in the above background technology is prone to damage due to excessive clamping when clamping and positioning the circuit board because the circuit board is relatively fragile.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser punching device with a dual positioning structure for a circuit board, comprising a positioning table and a laser punching machine, wherein the laser punching machine is installed above the positioning table, and a positioning device is provided on the upper surface of the positioning table.

[0008] The positioning device comprises a power unit, a clamping unit and a fastening unit.

[0009] The power unit includes a bidirectional motor, a transmission member, and a mounting frame. The bidirectional motor is located in the middle of the positioning platform. Two groups of transmission members are respectively connected to the output ends on both sides of the bidirectional motor. Two mounting frames are respectively fixedly connected to the top of the transmission member.

[0010] A further improvement is that limiting slide grooves are respectively provided on the left and right sides of the upper surface of the positioning platform, and the two mounting frames are respectively slidably connected to the inside of the limiting slide grooves. After the circuit board is placed on the positioning platform, the bidirectional motor is started to drive the screw in the transmission part to rotate, thereby driving the threaded sleeve on the screw and the mounting frame on the top of the screw to move relative to each other inside the limiting slide groove, thereby clamping and positioning the circuit board.

[0011] A further improvement is that fixed bearings are respectively installed on the outer walls of the two limiting slide grooves, the outer end of the transmission member is rotatably connected to the inside of the fixed bearing, and the screw in the transmission member rotates inside the fixed bearing, making its operation more stable.

[0012] A further improvement is that the clamping unit includes a sliding sleeve, a buffer assembly, and a clamping plate. The sliding sleeve is fixedly connected to the side wall of the mounting frame, the buffer assembly is installed on one side of the sliding sleeve, and the clamping plate is fixedly connected to the outer end of the buffer assembly. The movement of the mounting frame drives the sliding sleeve and the clamping plate at its outer end to move relative to each other, thereby clamping and positioning the circuit board through the clamping plate.

[0013] A further improvement is that the buffer assembly includes a flexible spring, a sliding rod, and an electric contact. The flexible spring is installed inside the sliding sleeve, the sliding rod is fixedly connected to the outer end of the flexible spring and is slidably connected to the inside of the sliding sleeve, and the two electric contacts are respectively installed on the inner wall of the sliding sleeve and the inner side of the sliding rod. When the clamping plate contacts the surface of the circuit board, the thrust generated by the contact between the two pushes the sliding rod to slide toward the inside of the sliding sleeve and squeezes the flexible spring until the two electric contacts contact and send out an electrical signal, and the bidirectional motor stops running immediately, thereby avoiding excessive clamping and causing damage to the circuit board.

[0014] A further improvement is that the fastening unit includes an electric telescopic rod, an installation cavity, and a rubber pad. The electric telescopic rod is installed on the top right side of the mounting frame, the installation cavity is opened inside the bottom of the electric telescopic rod, and the rubber pad is installed below the electric telescopic rod. When the clamping plate clamps the circuit board from both sides, the electric telescopic rod is started, thereby driving the rubber pad at the bottom of the driver to move downward and fix the circuit board from the top, thereby improving the stability of the circuit board and facilitating subsequent punching processing.

[0015] A further improvement is that a set of buffer components is also installed inside the installation cavity, and the rubber pad is fixedly connected to the bottom of the slide rod in the buffer component to prevent the rubber pad from being pressed down too much and damaging the circuit board.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The circuit board uses a laser punching device with a double positioning structure. After the circuit board is placed on the positioning table, the bidirectional motor is started to drive the screw in the transmission part to rotate, and then the threaded sleeve on the screw and the mounting frame on its top move relative to each other inside the limiting slide groove, thereby clamping and positioning the circuit board.

[0018] 2. The circuit board uses a laser punching device with a double positioning structure. When the clamping plate contacts the surface of the circuit board, the thrust generated by the contact between the two pushes the slide rod to slide inside the sleeve and squeezes the flexible spring until the two electrical contacts contact and send out an electrical signal. The bidirectional motor stops running immediately, thereby avoiding excessive clamping and causing damage to the circuit board.

[0019] 3. The circuit board uses a laser punching device with a double positioning structure. After the clamping plates clamp the circuit board from both sides, the electric telescopic rod is started, so that the rubber pad at the bottom of the driver moves down and fixes the circuit board from the top, thereby improving the stability of the circuit board and facilitating subsequent punching processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic cross-sectional structural diagram of the positioning platform of the utility model;

[0022] Figure 3 This is a schematic cross-sectional structural diagram of the clamping unit of the utility model;

[0023] Figure 4 It is a schematic diagram of a partial cross-sectional structure of the fastening unit of the utility model.

[0024] In the figure: 1. positioning table; 2. laser punching machine; 301. bidirectional motor; 302. transmission part; 303. mounting frame; 304. fixed bearing; 305. sliding sleeve; 306. buffer assembly; 307. clamping plate; 3061. flexible spring; 3062. sliding rod; 3063. electrical contact; 308. electric telescopic rod; 309. mounting cavity; 310. rubber cushion. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0027] Embodiment 1:

[0028] A laser drilling device with a double positioning structure for a circuit board comprises a positioning platform 1 and a laser drilling machine 2. The laser drilling machine 2 is installed above the positioning platform 1. A positioning device is arranged on the upper surface of the positioning platform 1.

[0029] The positioning device comprises a power unit and a clamping unit.

[0030] The power unit includes a bidirectional motor 301, a transmission member 302, and a mounting frame 303. The bidirectional motor 301 is located in the middle of the positioning platform 1. Two sets of transmission members 302 are respectively connected to the output ends on both sides of the bidirectional motor 301. Two mounting frames 303 are respectively fixedly connected to the top of the transmission member 302.

[0031] Limiting grooves are respectively provided on the left and right sides of the upper surface of the positioning platform 1, and two mounting frames 303 are respectively slidably connected to the inside of the limiting grooves. After the circuit board is placed on the positioning platform 1, the bidirectional motor 301 is started to drive the screw in the transmission member 302 to rotate, thereby driving the threaded sleeve on the screw and the mounting frame 303 on its top to move relative to each other inside the limiting groove, thereby clamping and positioning the circuit board.

[0032] The outer walls of the two limiting slide grooves are respectively installed with fixed bearings 304, the outer end of the transmission member 302 is rotatably connected to the inside of the fixed bearing 304, and the screw in the transmission member 302 rotates inside the fixed bearing 304, making its operation more stable.

[0033] The clamping unit includes a sleeve 305, a buffer assembly 306, and a clamping plate 307. The sleeve 305 is fixedly connected to the side wall of the mounting frame 303, the buffer assembly 306 is installed on one side of the sleeve 305, and the clamping plate 307 is fixedly connected to the outer end of the buffer assembly 306. The movement of the mounting frame 303 drives the sleeve 305 and the clamping plate 307 at its outer end to move relative to each other, so that the circuit board is clamped and positioned by the clamping plate 307.

[0034] The buffer assembly 306 includes a flexible spring 3061, a slide bar 3062, and an electrical contact 3063. The flexible spring 3061 is installed inside the sliding sleeve 305. The slide bar 3062 is fixedly connected to the outer end of the flexible spring 3061 and is slidably connected to the inside of the sliding sleeve 305. The two electrical contacts 3063 are respectively installed on the inner wall of the sliding sleeve 305 and the inner side of the slide bar 3062. When the clamping plate 307 contacts the surface of the circuit board, the thrust generated by the contact between the two pushes the slide bar 3062 to slide inside the sliding sleeve 305 and squeeze the flexible spring 3061 until the two electrical contacts 3063 contact and send out an electrical signal. The bidirectional motor 301 stops running immediately, thereby avoiding excessive clamping and causing damage to the circuit board.

[0035] Embodiment 2:

[0036] On the basis of the first embodiment, the positioning device also includes a fastening unit, which includes an electric telescopic rod 308, an installation cavity 309, and a rubber pad 310. The electric telescopic rod 308 is installed on the top right side of the mounting frame 303, the installation cavity 309 is opened inside the bottom of the electric telescopic rod 308, and the rubber pad 310 is installed below the electric telescopic rod 308. When the clamping plate 307 clamps the circuit board from both sides, the electric telescopic rod 308 is started, so that the rubber pad 310 at the bottom of the driver moves down and fixes the circuit board from the top, thereby improving the stability of the circuit board and facilitating subsequent punching processing.

[0037] A set of buffer components 306 is also installed inside the installation cavity 309, and the rubber pad 310 is fixedly connected to the bottom of the slide rod 3062 in the buffer component 306 to prevent the rubber pad 310 from being pressed down too much and damaging the circuit board.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A laser drilling device with a dual positioning structure for a circuit board, comprising a positioning platform (1) and a laser drilling machine (2), wherein the laser drilling machine (2) is installed above the positioning platform (1), and is characterized in that: The upper surface of the positioning platform (1) is provided with a positioning device; The positioning device comprises a power unit, a clamping unit and a fastening unit; The power unit comprises a bidirectional motor (301), a transmission member (302), and a mounting frame (303); the bidirectional motor (301) is located in the middle of the interior of the positioning platform (1); two groups of the transmission members (302) are respectively connected to the output ends on both sides of the bidirectional motor (301); and two mounting frames (303) are respectively fixedly connected to the top of the transmission member (302).

2. The laser drilling device with a dual positioning structure for a circuit board according to claim 1, characterized in that: The upper surface of the positioning platform (1) is provided with limited sliding grooves on both sides, and the two mounting frames (303) are respectively slidably connected to the inside of the limited sliding grooves.

3. The laser drilling device with a dual positioning structure for a circuit board according to claim 2, characterized in that: The outer walls of the two limiting sliding grooves are respectively installed with fixed bearings (304), and the outer end of the transmission member (302) is rotatably connected to the inside of the fixed bearing (304).

4. The laser drilling device with a dual positioning structure for a circuit board according to claim 3, characterized in that: The clamping unit comprises a sliding sleeve (305), a buffer assembly (306), and a clamping plate (307); the sliding sleeve (305) is fixedly connected to a side wall of the mounting frame (303); the buffer assembly (306) is installed on one side of the sliding sleeve (305); and the clamping plate (307) is fixedly connected to an outer end of the buffer assembly (306).

5. The laser drilling device with a dual positioning structure for a circuit board according to claim 4, characterized in that: The buffer assembly (306) comprises a flexible spring (3061), a sliding rod (3062), and an electric contact (3063); the flexible spring (3061) is installed inside the sliding sleeve (305); the sliding rod (3062) is fixedly connected to the outer end of the flexible spring (3061) and slidably connected to the inside of the sliding sleeve (305); the two electric contacts (3063) are respectively installed on the inner wall of the sliding sleeve (305) and the inner side of the sliding rod (3062).

6. The laser drilling device with a dual positioning structure for a circuit board according to claim 5, characterized in that: The fastening unit comprises an electric telescopic rod (308), a mounting cavity (309), and a rubber pad (310); the electric telescopic rod (308) is mounted on the top right side of the mounting frame (303); the mounting cavity (309) is opened inside the bottom of the electric telescopic rod (308); and the rubber pad (310) is mounted below the electric telescopic rod (308).

7. The laser drilling device with a dual positioning structure for a circuit board according to claim 6, characterized in that: A set of buffer components (306) is also installed inside the installation cavity (309), and the rubber pad (310) is fixedly connected to the bottom of the sliding rod (3062) in the buffer component (306).

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