Solder mask processing tool for production of super-thick copper circuit board

By designing a welding shielding tool for ultra-thick copper circuit boards, surface cleaning is carried out using the cooperation of threaded rods and scrapers, the cleaning problem in the prior art is solved, the welding shielding processing efficiency is improved, and spraying is ensured through the adjustment mechanism Uniformity.

CN222263165UActive Publication Date: 2024-12-27ANHUI ZHANBANG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421006106.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-27
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing ultra-thick copper circuit board cannot effectively clean the surface dirt and oxide layer during the production process, resulting in low welding resistance processing efficiency.

Method used

A welding shield processing tool including a base, connecting plate, scraper and adjustment mechanism is designed. The surface of the circuit board is cleaned through the coordination of threaded rod and scraper, and the adjustment mechanism of the motor and spraying device is used to ensure spray uniformity. .

Benefits of technology

Effectively remove dirt and oxide layers on the surface of the circuit board, improve the efficiency of soldering protection processing, and make the spraying process more uniform.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ultra-thick copper circuit boards, and discloses a solder resist processing tool for ultra-thick copper circuit board production, which comprises a base, the top end of the base is fixedly connected with two connecting plates which are uniformly distributed at the top end of the base, and the top end of the base is fixedly connected with the solder resist processing tool. The ends, close to each other, of the connecting plates are fixedly connected with connecting columns, and a circuit board body is installed in the base. Through the arrangement of the cleaning mechanism, a worker firstly rotates a threaded rod, so that the threaded rod drives an L-shaped threaded block to move downwards through threaded connection, the surface of a scraper is more attached to the surface of a circuit board body, and at the moment, the worker pulls a handle to drive the scraper to clean the surface of the circuit board body; and the scraped waste falls down and is discharged through the waste notch, so that a worker can conveniently clean the surface of the circuit board body to remove dirt and an oxide layer, and the efficiency of resistance welding processing is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ultra-thick copper circuit boards, in particular to a solder resist processing tool for producing ultra-thick copper circuit boards. Background Art

[0002] Ultra-thick copper circuit board is a special type of printed circuit board that uses thicker copper foil as the conductive material. It is usually used in application scenarios that require high current and large current carrying capacity, such as automotive electronics, power communication modules, etc. The manufacturing technology of ultra-thick copper circuit board involves multiple key process steps, including stacking design, analysis of processing difficulties, ultra-thick copper etching technology, lamination technology, precision control of two alignments of the same layer of lines, and ultra-thick copper drilling technology.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: With respect to the problem of ultra-thick copper circuit board production, the existing ultra-thick copper circuit boards have the characteristics of traditional production methods and the inability to clean the surface of the ultra-thick copper circuit boards, which makes it impossible to clean the dirt and oxide layer on the surface of the ultra-thick copper circuit boards, thereby reducing the efficiency of the solder mask processing. Therefore, improving the production method of ultra-thick copper circuit boards so that the surface of the ultra-thick copper circuit boards can be cleaned will help improve the efficiency of the solder mask processing. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the prior art has the disadvantage that the surface of the ultra-thick copper circuit board cannot be cleaned, so we propose a solder mask processing tool for the production of ultra-thick copper circuit boards.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a solder mask processing tool for the production of ultra-thick copper circuit boards, including a base, the top of the base is fixedly connected to a connecting plate, the number of the connecting plates is two and they are evenly distributed at the top of the base, the ends of the connecting plates close to each other are fixedly connected to a connecting column, the inside of the base is installed with a circuit board body, the inner cavity of the connecting plate is fixedly connected to a connecting rod, the surface of the connecting rod is slidably connected to an L-shaped block, one end of the L-shaped block is fixedly connected to a fixing plate, the top of the fixing plate is fixedly connected to a handle, the inside of the fixing plate is rotatably connected to a threaded rod, the surface of the threaded rod is threadedly connected to an L-shaped threaded block, the bottom end of the L-shaped threaded block is fixedly connected to a scraper, and a waste groove is opened on the surface of the base.

[0006] Preferably, a first sliding groove is provided inside the connecting plate, a first sliding block is slidably connected to the inner cavity of the first sliding groove, and one end of the first sliding block close to the L-shaped block is fixedly connected to the L-shaped block.

[0007] Preferably, a first spring is fixedly connected to the inner cavity of the connecting plate, and one end of the first spring close to the L-shaped block is fixedly connected to the L-shaped block.

[0008] Preferably, a second sliding groove is provided inside the fixing plate, a second sliding block is slidably connected to the inner cavity of the second sliding groove, and one end of the second sliding block close to the L-shaped threaded block is fixedly connected to the L-shaped threaded block.

[0009] Preferably, a motor is fixedly connected to the surface of the connecting plate, a threaded column is installed at the output end of the motor, a square block is connected to the surface of the threaded column through threads, a hollow block is fixedly connected to the bottom end of the square block, the inner cavity of the hollow block is slidably connected to the square column, the bottom end of the square column is fixedly connected to a spraying device, the top end of the spraying device is fixedly connected to an arc rod, and the inner cavity of the arc rod is connected to a bolt through threads.

[0010] Preferably, a third sliding groove is provided inside the connecting column, a third sliding block is slidably connected to the inner cavity of the third sliding groove, and one end of the third sliding block close to the square block is fixedly connected to the square block.

[0011] Preferably, a second spring is fixedly connected to the inner cavity of the hollow block, and the bottom end of the second spring is fixedly connected to the square column.

[0012] Technical effects and advantages of the utility model:

[0013] In the utility model, through the setting of the cleaning mechanism, the staff first rotates the threaded rod, so that the threaded rod drives the L-shaped threaded block to move downward through the threaded connection, so that the surface of the scraper is more closely fitted to the surface of the circuit board body. At this time, the staff pulls the handle to drive the scraper to clean the surface of the circuit board body, and the scraped waste falls and is discharged through the waste slot, so that the staff can easily clean the surface of the circuit board body to remove dirt and oxide layer, further improving the efficiency of solder mask processing.

[0014] In the utility model, through the setting of the adjustment mechanism, the staff first rotates the bolt to gradually separate the bolt from the hollow block, so that the staff can pull the spray device for adjustment, so that the spray device drives the square column to slide in the inner cavity of the hollow block. At this time, the staff can adjust the distance between the spray device and the circuit board body. Then the staff starts the motor to make the threaded column drive the square block to move, so that the spray device performs horizontal displacement spraying, thereby making it easy for the staff to adjust the spray device and make the spray device spray more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2It is a cross-sectional structural schematic diagram of the cleaning mechanism of the utility model;

[0017] Figure 3 For this utility model Figure 2 A partial enlarged schematic diagram in the middle;

[0018] Figure 4 It is a cross-sectional structural schematic diagram of the cleaning mechanism of the utility model;

[0019] Figure 5 For this utility model Figure 4 A partial enlarged schematic diagram of point B in the middle;

[0020] Figure 6 It is a cross-sectional structural schematic diagram of the adjustment mechanism of the utility model;

[0021] Figure 7 For this utility model Figure 6 A partial enlarged schematic diagram of point C in the middle.

[0022] Legend: 1. Base; 2. Connecting plate; 3. Connecting column; 4. Circuit board body; 5. Connecting rod; 6. L-shaped block; 7. Fixing plate; 8. Handle; 9. Threaded rod; 10. L-shaped threaded block; 11. Scraper; 12. Waste notch; 13. First slide groove; 14. First slider; 15. First spring; 16. Second slide groove; 17. Second slider; 18. Motor; 19. Threaded column; 20. Square block; 21. Hollow block; 22. Square column; 23. Spraying device; 24. Arc rod; 25. Bolt; 26. Third slide groove; 27. Third slider; 28. Second spring. DETAILED DESCRIPTION

[0023] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0024] Reference Figure 1 - Figure 6As shown, the utility model provides a technical solution: a solder mask processing tool for the production of ultra-thick copper circuit boards, comprising a base 1, the top of the base 1 is fixedly connected with a connecting plate 2, the number of the connecting plates 2 is two and evenly distributed on the top of the base 1, the ends of the connecting plates 2 close to each other are fixedly connected with a connecting column 3, a circuit board body 4 is installed inside the base 1, a connecting rod 5 is fixedly connected to the inner cavity of the connecting plate 2, an L-shaped block 6 is slidably connected to the surface of the connecting rod 5, one end of the L-shaped block 6 is fixedly connected to a fixing plate 7, the top of the fixing plate 7 is fixedly connected to a handle 8, a threaded rod 9 is rotatably connected to the inside of the fixing plate 7, the surface of the threaded rod 9 is threadedly connected to an L-shaped threaded block 10, the bottom end of the L-shaped threaded block 10 is fixedly connected to a scraper 11, a waste notch 12 is provided on the surface of the base 1, when the staff needs to clean the surface of the circuit board body 4, the staff first rotates the screw The threaded rod 9 drives the L-shaped threaded block 10 to move downward through the threaded connection, and at the same time, the L-shaped threaded block 10 drives the surface of the second slider 17 to slide in the inner cavity of the second slide groove 16. With the displacement of the L-shaped threaded block 10, the surface of the scraper 11 is more closely fitted to the surface of the circuit board body 4. At this time, the staff pulls the handle 8, so that the handle 8 drives the L-shaped block 6 and the fixed plate 7 to move horizontally, so that the L-shaped block 6 squeezes the first spring 15 to store force, and at the same time, the L-shaped block 6 drives the surface of the first slider 14 to slide in the inner cavity of the first slide groove 13. With the displacement of the fixed plate 7, the scraper 11 cleans the surface of the circuit board body 4, and the scraped waste falls and is discharged through the waste notch 12. Through the setting of the cleaning mechanism, it is convenient for the staff to clean the surface of the circuit board body 4 to remove dirt and oxide layer, thereby further improving the efficiency of the solder mask processing.

[0025] Reference Figure 3 As shown, in this embodiment: a first slide groove 13 is opened inside the connecting plate 2, and the inner cavity of the first slide groove 13 is slidably connected with a first slider 14, and the end of the first slider 14 close to the L-shaped block 6 is fixedly connected to the L-shaped block 6. The staff pulls the handle 8 to drive the L-shaped block 6 to move, so that the L-shaped block 6 drives the surface of the first slider 14 to slide in the inner cavity of the first slide groove 13. Through the setting of the above structure, the L-shaped block 6 maintains directional displacement during the movement to ensure the stability of the structure.

[0026] Reference Figure 3 As shown, in this embodiment: the inner cavity of the connecting plate 2 is fixedly connected with the first spring 15, and the end of the first spring 15 close to the L-shaped block 6 is fixedly connected with the L-shaped block 6. The staff pulls the handle 8 to drive the L-shaped block 6 to move, so that the L-shaped block 6 squeezes the first spring 15 to accumulate force. Through the setting of the above structure, the rebound force of the first spring 15 continuously pushes the L-shaped block 6 to reset, which is convenient for the staff to operate next time.

[0027] Reference Figure 5 As shown, in this embodiment: a second slide groove 16 is opened inside the fixed plate 7, and the inner cavity of the second slide groove 16 is slidably connected with a second slider 17, and the end of the second slider 17 close to the L-shaped threaded block 10 is fixedly connected to the L-shaped threaded block 10. The staff rotates the threaded rod 9, so that the threaded rod 9 drives the L-shaped threaded block 10 to move through the threaded connection, and the L-shaped threaded block 10 drives the surface of the second slider 17 to slide in the inner cavity of the second slide groove 16. Through the setting of the above structure, the L-shaped threaded block 10 maintains horizontal displacement during displacement, preventing the L-shaped threaded block 10 from deviating from the displacement as the threaded rod 9 rotates.

[0028] Reference Figure 1 , Figure 2 , Figure 4 , Figure 6 and Figure 7 As shown, in this embodiment: the surface of the connecting plate 2 is fixedly connected to the motor 18, the output end of the motor 18 is installed with a threaded column 19, the surface of the threaded column 19 is connected to the square block 20 through a thread, the bottom end of the square block 20 is fixedly connected to the hollow block 21, the inner cavity of the hollow block 21 is slidably connected to the square column 22, the bottom end of the square column 22 is fixedly connected to the spraying device 23, the top of the spraying device 23 is fixedly connected to the arc rod 24, the inner cavity of the arc rod 24 is connected to the bolt 25 through a thread, when the staff needs to adjust the spraying device 23, the staff first rotates the bolt 25 to gradually separate the surface of the bolt 25 from the surface of the hollow block 21, so that the staff can pull the spraying device 23 is adjusted so that the spraying device 23 drives the surface of the square column 22 to slide in the inner cavity of the hollow block 21. At this time, the staff can adjust the distance between the spraying device 23 and the circuit board body 4. Then the staff starts the motor 18 to drive the threaded column 19 to rotate, so that the threaded column 19 drives the square block 20 to move through the threaded connection. As the square block 20 moves, the square block 20 drives the hollow block 21 and the square column 22 to move, so that the square column 22 drives the spraying device 23 to move. At this time, the spraying device 23 performs horizontal displacement spraying. Through the setting of the adjustment mechanism, it is convenient for the staff to adjust the spraying device 23 so that the spraying device 23 sprays more evenly.

[0029] Reference Figure 7 As shown, in this embodiment: a third slide groove 26 is opened inside the connecting column 3, and the inner cavity of the third slide groove 26 is slidably connected with a third slider 27, and the end of the third slider 27 close to the square block 20 is fixedly connected to the square block 20. The staff starts the motor 18, so that the threaded column 19 drives the square block 20 to move, and the square block 20 drives the surface of the third slider 27 to slide in the inner cavity of the third slide groove 26. Through the setting of the above structure, the square block 20 maintains directional movement when it is displaced.

[0030] Reference Figure 7 As shown, in the present embodiment: the inner cavity of the hollow block 21 is fixedly connected with the second spring 28, and the bottom end of the second spring 28 is fixedly connected with the square column 22. The staff pulls the spraying device 23 to make the spraying device 23 drive the square column 22 to move, and at the same time make the square column 22 stretch the second spring 28 to stretch and store force. Through the setting of the second spring 28, the rebound force of the second spring 28 continuously stretches the square column 22 to prevent the square column 22 from escaping from the inner cavity of the hollow block 21.

[0031] Working principle: when the staff needs to clean the surface of the circuit board body 4, the staff first rotates the threaded rod 9 so that the threaded rod 9 drives the L-shaped threaded block 10 to move downward through the threaded connection, and at the same time, the L-shaped threaded block 10 drives the surface of the second slider 17 to slide in the inner cavity of the second slide groove 16. With the displacement of the L-shaped threaded block 10, the surface of the scraper 11 is more closely fitted to the surface of the circuit board body 4. At this time, the staff pulls the handle 8 so that the handle 8 drives the L-shaped block 6 and the fixed plate 7 to move horizontally, so that the L-shaped block 6 squeezes the first spring 15 to store force, and at the same time, the L-shaped block 6 drives the surface of the first slider 14 to slide in the inner cavity of the first slide groove 13. With the displacement of the fixed plate 7, the scraper 11 cleans the surface of the circuit board body 4, and the scraped waste falls and is discharged through the waste slot 12. Through the setting of the cleaning mechanism, it is convenient for the staff to clean the surface of the circuit board body 4 to remove dirt and oxidation. layer, further improving the efficiency of the solder mask processing. When the staff needs to adjust the spray device 23, the staff first rotates the bolt 25 to make the surface of the bolt 25 gradually separate from the surface of the hollow block 21, so that the staff can pull the spray device 23 for adjustment, so that the spray device 23 drives the surface of the square column 22 to slide in the inner cavity of the hollow block 21. At this time, the staff can adjust the distance between the spray device 23 and the circuit board body 4. Then the staff starts the motor 18 to drive the threaded column 19 to rotate, so that the threaded column 19 drives the square block 20 to move through the threaded connection. With the displacement of the square block 20, the square block 20 drives the hollow block 21 and the square column 22 to move, so that the square column 22 drives the spray device 23 to move. At this time, the spray device 23 performs horizontal displacement spraying. Through the setting of the adjustment mechanism, it is convenient for the staff to adjust the spray device 23, so that the spray device 23 sprays more evenly.

[0032] 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 solder mask processing tool for producing ultra-thick copper circuit boards, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a connecting plate (2), the number of the connecting plates (2) is two and they are evenly distributed on the top of the base (1), one end of the connecting plates (2) close to each other is fixedly connected to a connecting column (3), a circuit board body (4) is installed inside the base (1), the inner cavity of the connecting plate (2) is fixedly connected to a connecting rod (5), the surface of the connecting rod (5) is slidably connected to an L-shaped block (6), one end of the L-shaped block (6) is fixedly connected to a fixing plate (7), the top of the fixing plate (7) is fixedly connected to a handle (8), the inside of the fixing plate (7) is rotatably connected to a threaded rod (9), the surface of the threaded rod (9) is threadedly connected to an L-shaped threaded block (10), the bottom end of the L-shaped threaded block (10) is fixedly connected to a scraper (11), and a waste slot (12) is provided on the surface of the base (1).

2. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 1, characterized in that: A first sliding groove (13) is provided inside the connecting plate (2), and a first sliding block (14) is slidably connected to the inner cavity of the first sliding groove (13), and one end of the first sliding block (14) close to the L-shaped block (6) is fixedly connected to the L-shaped block (6).

3. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 1 is characterized in that: The inner cavity of the connecting plate (2) is fixedly connected to a first spring (15), and one end of the first spring (15) close to the L-shaped block (6) is fixedly connected to the L-shaped block (6).

4. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 1, characterized in that: A second sliding groove (16) is provided inside the fixing plate (7), and a second sliding block (17) is slidably connected to the inner cavity of the second sliding groove (16), and one end of the second sliding block (17) close to the L-shaped threaded block (10) is fixedly connected to the L-shaped threaded block (10).

5. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 1, characterized in that: The surface of the connecting plate (2) is fixedly connected to a motor (18), the output end of the motor (18) is installed with a threaded column (19), the surface of the threaded column (19) is connected to a square block (20) through a thread, the bottom end of the square block (20) is fixedly connected to a hollow block (21), the inner cavity of the hollow block (21) is slidably connected to a square column (22), the bottom end of the square column (22) is fixedly connected to a spraying device (23), the top end of the spraying device (23) is fixedly connected to an arc rod (24), and the inner cavity of the arc rod (24) is connected to a bolt (25) through a thread.

6. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 5, characterized in that: A third sliding groove (26) is provided inside the connecting column (3), and a third sliding block (27) is slidably connected to the inner cavity of the third sliding groove (26), and one end of the third sliding block (27) close to the square block (20) is fixedly connected to the square block (20).

7. The solder mask processing tool for producing ultra-thick copper circuit boards according to claim 5, characterized in that: A second spring (28) is fixedly connected to the inner cavity of the hollow block (21), and the bottom end of the second spring (28) is fixedly connected to the square column (22).