Auxiliary device for PCB laser hole burning

By setting support pillars and laser holes between the PCB board and the fixture, combined with airflow suction, the problems of fixture burn-through and black smoke scorching were solved, achieving a high-quality PCB board burning process and reducing production costs.

CN223734136UActive Publication Date: 2025-12-30CHANGSHU MUTUAL TEK CO LTD
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Patent Information

Application Number
CN202423289380.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the laser burning process on PCB boards, the fixture is easily burned through, resulting in black smoke scorching the PCB board, affecting the molding quality and increasing cleaning costs.

Method used

A support column is set between the PCB board and the fixture, and the fixture is equipped with laser holes and adsorption holes. The laser holes are aligned with the area to be burned, and the airflow is drawn into the worktable through the laser holes and adsorption holes, which restricts the PCB board on the fixture and avoids burning through the fixture and black smoke.

Benefits of technology

It ensures the quality of the finished PCB board, reduces production costs, and prevents board misalignment through airflow adsorption, thereby improving the quality of hole burning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an auxiliary device for PCB laser hole burning. The auxiliary device comprises a workbench and a jig. Wherein the workbench is provided with a first suction part; the jig is assembled on the workbench and is used for carrying a PCB (Printed Circuit Board); a bearing column is arranged between the PCB and the jig so as to separate the jig from the PCB, the jig is further provided with a laser hole and an adsorption hole surrounding the laser hole, the laser hole is right opposite to an area to be subjected to hole burning of the PCB and has the shape adaptive to the area to be subjected to hole burning of the PCB, and the laser hole and the adsorption hole are both located in the suction range of the first suction part. The air flow is sucked into the workbench through the laser hole and the adsorption hole, and the PCB is limited on the jig. According to the utility model, the laser hole is arranged on the jig, so that the jig is prevented from being burnt through during laser hole burning, the subsequent use of the jig is prevented from being influenced, black smoke generated in the burning process is prevented from being burnt on the PCB, and the forming quality of the PCB is prevented from being influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary devices for PCB laser hole burning, belong to circuit board manufacturing technical field. BACKGROUND

[0002] PCB board, hole burning needs to be carried out in manufacturing project, for subsequent installation camera or assembly other components use.For the hole burning process of PCB board, PCB board is placed on fixture, in the existing hole burning process, it is easy to burn through fixture, to produce black smoke fumigation on PCB board, which undoubtedly affects the forming quality of PCB board, needs to increase higher cost in subsequent cleaning.

[0003] Therefore, it is necessary to improve the existing auxiliary device for PCB laser hole burning to solve the above problems. INVENTION CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of auxiliary device for PCB laser hole burning, the auxiliary device for PCB laser hole burning can avoid burning through fixture, to avoid the possibility of black smoke fumigation on PCB board, ensure that finished product quality, reduce unnecessary production cost.

[0005] The technical scheme of the utility model is:

[0006] A kind of auxiliary device for PCB laser hole burning, comprising:

[0007] Workbench is equipped with first suction part;

[0008] Fixture, assembly is in the workbench, and is used to support the PCB board;

[0009] Wherein, the PCB board and the fixture are equipped with supporting column, to separate the fixture and the PCB board, the fixture is also equipped with laser hole and the adsorption hole surrounded in the outer periphery of the laser hole, the laser hole is directly opposite the area to be burned of the PCB board Hole area, and has the shape suitable for the area to be burned of the PCB board, the laser hole and the adsorption hole are all located in the suction range of the first suction part, to suck airflow from the laser hole and the adsorption hole into the workbench, and limit the PCB board on the fixture.

[0010] As a further improvement of the utility model, the supporting column is arranged on the workbench, and the fixture is provided with a through hole corresponding thereto, the supporting column passes through the through hole and abuts against the PCB board, and supports the PCB board.

[0011] As a further improvement of the utility model, the supporting column is provided with four, and is surrounded in the outer periphery of the first suction part, the perforation is also provided with four correspondingly, and is distributed in the four peripheries of the jig.

[0012] As a further improvement of the utility model, the supporting column is integrally formed with the jig, and abuts against the PCB board, so as to form an air flow channel between the PCB board and the jig.

[0013] As a further improvement of the utility model, the corresponding positioning slot is arranged on the PCB board, the supporting column and the positioning slot are mutually positioned, and are limited in the positioning slot.

[0014] As a further improvement of the utility model, the recessed area is arranged on the workbench and faces away from the jig, the jig is embedded in the recessed area, so that the upper surface of the jig is flush with the upper surface of the workbench.

[0015] As a further improvement of the utility model, the first suction part is located in the middle of the recessed area, and after the jig is embedded in the recessed area, the upper surface of the first suction part is lower than the lower surface of the jig.

[0016] As a further improvement of the utility model, the top of the PCB board is further provided with an air extraction device, the air extraction device comprises a second suction part and an exhaust pipe connected with the second suction part, and the second suction part is opposite to the upper surface of the PCB board.

[0017] As a further improvement of the utility model, the first suction part and the air extraction device are opposite to each other, and one or more of them can be selectively activated.

[0018] As a further improvement of the utility model, the laser hole and the adsorption hole surrounded in the outer periphery of the laser hole form a laser area, the laser area corresponds to a PCB unit on the PCB board, the PCB unit is provided with a plurality of, the laser area is also provided with a plurality of, and is arrayed on the jig.

[0019] The beneficial technical effect of the utility model is: the utility model discloses an auxiliary device for PCB laser hole burning, which is characterized by: a supporting column is arranged between the PCB and the jig to separate the jig and the PCB, a laser hole and a suction hole surrounding the outer periphery of the laser hole are arranged on the jig, the laser hole is opposite to the hole burning area of the PCB, and the shape of the laser hole is suitable for the hole burning area of the PCB, the laser hole and the suction hole are both located in the suction range of the first suction part of the workbench, so that the airflow is sucked into the workbench from the laser hole and the suction hole, and the PCB is limited on the jig, thus, the burning through the jig can be avoided, the possibility of black smoke being smoked on the PCB is avoided, the quality of the finished product is ensured, unnecessary production cost is reduced, and the PCB can be adsorbed through the suction hole of the airflow to be limited on the jig, the deviation of the PCB during the hole burning process is avoided, and the hole burning quality is affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic view of the auxiliary device for PCB laser hole burning according to the preferred embodiment of the utility model.

[0021] Figure 2 is Figure 1 is an exploded view of the PCB, the jig and the workbench in the utility model.

[0022] Figure 3 is Figure 2 is a structure schematic view of the jig.

[0023] Figure 4 is Figure 3 is a structure schematic view of another structure of the jig.

[0024] Figure 5 is Figure 2 is a structure schematic view of the workbench.

[0025] Figure 6 is Figure 5 is a structure schematic view of another structure of the workbench. DETAILED DESCRIPTION

[0026] In order to make the technical means of the utility model more clearly understood and implemented according to the content of the specification, the specific embodiments of the utility model are further described in detail below in combination with the drawings and examples, and the following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0027] Please refer to Figures 1 to 6The utility model discloses an auxiliary device 100 for laser hole burning of PCB board 200, the auxiliary device 100 includes workstation 1 and fixture 2, the fixture 2 is assembled on the workstation 1, and the PCB board 200 is supported. The PCB board 200 with the fixture 2 between being equipped with supporting column 3, to the fixture 2 with the PCB board 200 interval, the fixture 2 still be equipped with laser hole 21 and the adsorption hole 22 of surrounding in the periphery of laser hole 21, laser hole 21 is directly to the PCB board 200's hole area to be burnt, and with the shape of the hole area to be burnt of the PCB board 200. Therefore, when carrying out laser hole burning, laser will directly fall in the laser hole 21 after burning through the PCB board 200. In this way, the fixture 2 is avoided to burn hole, to produce black smoke in the process of burning fixture 2, and make the black smoke fume on the PCB board 200, and influence the forming quality of the PCB board 200, and remove the cleaning cost in the subsequent cleaning process of the PCB board 200.

[0028] In the embodiment, the workstation 1 is equipped with first suction part 11, the first suction part 11 suck air towards the fixture 2, the laser hole 21 and the adsorption hole 22 are all located in the suction range of the first suction part 11, to suck the airflow from the laser hole 21 and the adsorption hole 22 into the workstation 1, and limit the PCB board 200 on the fixture 2.

[0029] In the hole burning process of the PCB board 200, the PCB board 200 will melt and produce gas. These gases are extracted from the laser hole 21 and the adsorption hole 22 by the first suction part 21, forming downward airflow, which will not flow back and attach to the PCB board 200, ensuring the forming quality of the PCB board. At the same time, the downward airflow also makes the PCB board 200 firmly attached to the fixture 2, avoiding the vibration of the PCB board 200 during hole burning, which affects the hole burning quality.

[0030] Optionally, the supporting column 3 is arranged on the workstation 1, and the fixture 2 is correspondingly provided with a through hole 20, the supporting column 3 passes through the through hole 20 and abuts against the PCB board 200, and supports the PCB board 200. The supporting column 3 is provided with four, and is arranged around the periphery of the first suction part 11, and the through hole 20 is also correspondingly provided with four, and is distributed around the fixture 2. At this time, the first suction part 11 can be selectively recessed downward to form a gap between the fixture 2, or can not be recessed, which is not limited.

[0031] Optionally, the supporting column 3 is integrally formed with the jig 2 and abuts against the PCB board 200 to form an air flow channel between the PCB board 200 and the jig 2. The workbench 1 is provided with a recessed area 10 facing away from the jig, and the jig 2 is embedded in the recessed area 10 so that the upper surface of the jig 2 is flush with the upper surface of the workbench 1. The first suction part 11 is located in the middle of the recessed area 10, and after the jig 2 is embedded in the recessed area 10, the upper surface of the first suction part 11 is lower than the lower surface of the jig 2. In this way, the jig 2 can be aligned with the workbench 1.

[0032] Preferably, the PCB board 200 is correspondingly provided with a positioning groove 201, the supporting column 3 is positioned with the positioning groove 201 and is limited in the positioning groove 201. In this way, through the cooperation of the positioning groove 201 and the laser hole 21, the suction hole 22 and the first suction part 11, the movement of the PCB board 200 is further avoided.

[0033] The top of the PCB board 200 is also provided with an air extraction device 4, which includes a second suction part 41 and an exhaust pipe 42 connected with the second suction part 41, and the second suction part 41 is opposite to the upper surface of the PCB board 200. The first suction part 11 and the air extraction device 4 are opposite to each other, and one or more of them can be selectively activated. In this way, the gas generated on the upper and lower sides of the PCB board 200 during the hole burning process can be sucked, ensuring the air quality during production and the health of the workers.

[0034] In this embodiment, the laser hole 21 and the suction hole 22 surrounding the outer periphery of the laser hole 21 form a laser area, the laser area corresponds to a PCB unit on the PCB board 200, the PCB unit is provided with a plurality of laser areas, and the laser areas are arranged in an array on the jig 2.

[0035] In summary, the auxiliary device 100 for the PCB 200 laser hole burning through the setting of the support column 3 between the PCB 200 and the fixture 2, to the fixture 2 and the PCB 200 interval, and the fixture 2 is provided with the laser hole 21 and the adsorption hole 22 surrounded in the outer periphery of the laser hole 21, the laser hole 21 is directly opposite the PCB 200 area to be burned, and has the shape of the PCB 200 area to be burned, the laser hole 21 and the adsorption hole 22 are located in the suction range of the first suction part 11 of the workbench 1, to suck the airflow from the laser hole 21 and the adsorption hole 22 into the workbench 1, and the PCB 200 is limited on the fixture 2. In this way, it can avoid burning through the fixture 2, to avoid the possibility of black smoke smoldering on the PCB 200, to ensure the quality of finished products, reduce unnecessary production cost, also can pass through the adsorption hole 22 of airflow to adsorb the PCB 200, to limit it on the fixture 2, to avoid the PCB 200 in the process of hole burning, to affect the hole burning quality.

[0036] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, can also make a number of improvements and variations, these improvements and variations should also be considered as the protection scope of the utility model.

Claims

1. An auxiliary device for laser drilling of PCB board, characterized in that, The utility model relates to a PCB board laser drilling device, including: Workbench is equipped with first suction part; Jig is assembled on the workbench and is used to support the PCB board; Wherein, the support column is arranged between the PCB board and the jig to separate the jig and the PCB board, and the laser hole and the adsorption hole surrounding the outer periphery of the laser hole are further arranged on the jig, the laser hole is opposite to the hole area to be burned of the PCB board, and the shape of the laser hole is adapted to the hole area to be burned of the PCB board, the laser hole and the adsorption hole are located in the suction range of the first suction part, so that the airflow is sucked into the workbench from the laser hole and the adsorption hole, and the PCB board is limited on the jig.

2. The auxiliary device for laser drilling of PCB board according to claim 1, characterized in that, The support column is arranged on the workbench, and the corresponding through hole is arranged on the jig, the support column passes through the through hole and abuts against the PCB board, and the support column supports the PCB board.

3. The auxiliary device for laser drilling of PCB board according to claim 2, characterized in that, The support column is provided with four and surrounds the outer periphery of the first suction part, and the through hole is also provided with four and is distributed around the jig.

4. The auxiliary device for laser drilling of PCB board according to claim 1, characterized in that, The support column is integrally formed with the jig and abuts against the PCB board to form an airflow channel between the PCB board and the jig.

5. The auxiliary device for laser drilling of PCB board according to claim 2 or 4, characterized in that, The corresponding positioning groove is arranged on the PCB board, the support column and the positioning groove are mutually positioned, and the support column is limited in the positioning groove.

6. The auxiliary device for laser drilling of PCB board according to claim 4, wherein, The recessed area away from the jig is arranged on the workbench, the jig is embedded in the recessed area, so that the upper surface of the jig is flush with the upper surface of the workbench.

7. The auxiliary device for laser drilling of PCB board according to claim 6, characterized in that, The first suction part is located in the middle of the recessed area, and after the jig is embedded in the recessed area, the upper surface of the first suction part is lower than the lower surface of the jig.

8. The auxiliary device for laser drilling of PCB board according to claim 1, wherein, The top of the PCB board is further provided with an air extraction device, the air extraction device comprises a second suction part and an exhaust pipe connected with the second suction part, and the second suction part is opposite to the upper surface of the PCB board.

9. The auxiliary device for laser drilling of PCB board according to claim 8, characterized in that, The first suction part and the air extraction device are opposite to each other, and one or more of them can be selectively activated.

10. The auxiliary device for laser drilling of PCB board according to claim 1, wherein, The laser hole and the adsorption hole surrounding the outer periphery of the laser hole form a laser area, the laser area corresponds to a PCB unit on the PCB board, the PCB unit is provided with a plurality of, and the laser area is also provided with a plurality of and is arrayed on the jig.