Screen-printing resistance welding device for single-sided circuit board

Abstract

The utility model discloses a single-sided circuit board screen printing resistance welding device, and particularly relates to the technical field of single-sided circuit board resistance welding, a cover body is arranged on the single-sided circuit board screen printing resistance welding device, a partition plate is arranged in a box body, a plurality of heating wires which are arranged in a linear array are arranged at the bottom of the partition plate, and a plurality of ventilation grooves which are arranged in a linear array are formed in the partition plate. A plurality of inclined plates arranged in a linear array are arranged on the partition plates, the inclined plates are obliquely arranged on the partition plates, the included angle between every two partition plates is 60 degrees, and a preset gap is reserved between every two inclined plates to form a containing cavity. According to the single-sided circuit board screen printing resistance welding device provided by the utility model, the box body is sealed through the cover body on the box body, the heating wire and the circuit board are separated through the partition plate on the box body, and the interior of the box body is heated through the heating wire at the bottom of the partition plate; the circuit board in the box body is heated through the ventilation grooves in the partition plates, and the circuit board is placed in the containing cavities formed among the multiple inclined plates.

Description

Technical Field

[0001] The utility model relates to the technical field of solder mask for single-sided circuit boards, and particularly to a screen printing solder mask device for single-sided circuit boards. Background Art

[0002] The working principle of the screen printing solder mask device for single-sided circuit boards is to transfer the ink onto the circuit board through a specific mechanical structure and control system. Specifically, the operator fixes the circuit board on the printing table of the machine, and then places a screen plate on the printing table of the screen printer. The required pattern has been made on the screen plate. Then, a squeegee is used to scrape an appropriate amount of ink onto the screen plate. The screen plate is in close contact with the circuit board, and the ink is transferred onto the circuit board by means of stamping. Finally, the printed circuit board is taken out for subsequent processing and inspection.

[0003] According to the publication (announcement) number: CN217307991U, the publication (announcement) date: August 26, 2022, a screen printing solder mask device for a single-sided circuit board is disclosed, aiming to provide a screen printing solder mask device for a single-sided circuit board that can save screen printing materials and has a good screen printing effect. It includes a frame, a squeegee is slidably connected to the top of the frame in the horizontal direction, a printing plate is slidably connected to the lower part of the frame in the vertical direction, a conveyor belt is connected below the printing plate, a storage bin is arranged on the top of the squeegee, a scraping bar is arranged below the squeegee, a drying device is arranged on one side of the scraping bar, a plurality of discharge pipes are arranged on the other side of the scraping bar, the discharge pipes are communicated with the storage bin, and an infrared sensor is arranged outside the discharge pipes and corresponds to the printing plate.

[0004] It can be known from the above patent and the prior art that after applying green oil to the circuit board, it needs to be left standing, and then the subsequent green oil is applied. However, when the ink is left standing after the first application of green oil, the ink will solidify and other situations will occur, resulting in the loss of activity of the ink. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a screen printing solder mask device for single-sided circuit boards, which realizes leaving the circuit board standing and heating.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A screen printing solder mask device for single-sided circuit boards, including a box body, on which a cover body is arranged. A partition is arranged inside the box body. A plurality of heating wires arranged in a linear array are arranged at the bottom of the partition. A plurality of air permeable grooves arranged in a linear array are formed on the partition. A plurality of inclined plates arranged in a linear array are arranged on the partition. The inclined plates are inclined on the partition, and the included angle between the inclined plates and the partition is 60°. A predetermined gap is left between every two inclined plates to form a placement cavity.

[0007] Preferably, a plurality of vent holes are formed in the inclined plate and arranged in a linear array, and the positions of the vent holes on each inclined plate are different.

[0008] Preferably, baffles are symmetrically arranged on both sides of the plurality of inclined plates, and sliders are arranged at the bottoms of the baffles.

[0009] Preferably, it includes a partition plate, convex portions are symmetrically arranged on the partition plate, and the sliders are slidably arranged on the convex portions.

[0010] Preferably, a placement block is arranged on the inclined plate, an elastic member is arranged on the placement block, and a contact plate is arranged on the elastic member.

[0011] Preferably, a first rotating shaft is arranged at the connection between the box body and the cover body, and a handle is arranged on the cover body.

[0012] Preferably, a notch is formed in the box body, a second shaft rod is arranged in the notch, a flip cover is arranged in the notch, the flip cover is rotatably arranged on the second shaft rod, and a handle is arranged on the flip cover.

[0013] Preferably, the elastic member is a spring.

[0014] In the above technical solution, a single-sided circuit board screen printing solder resist device provided by the present utility model has the following beneficial effects: the box body is sealed by the cover body on the box body, the placement of the heating wire and the circuit board is separated by the partition plate on the box body, the inside of the box body is heated by the heating wire at the bottom of the partition plate, the circuit board in the box body is heated through the ventilation slots on the partition plate, and the circuit board is placed in the placement cavity formed between the plurality of inclined plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0017] Figure 2 It is a schematic diagram of the structure inside the box body provided by an embodiment of the present utility model;

[0018] Figure 3 It is a schematic diagram of the sectional structure provided by an embodiment of the present utility model.

[0019] Description of the reference numerals:

[0020] 1. Box body; 11. Cover body; 12. First rotating shaft; 13. Notch; 14. Flap; 15. Handle; 16. Second shaft rod; 17. Knob; 19. Heating wire; 20. Inclined plate; 21. Vent hole; 22. Placing cavity; 23. Baffle; 24. Partition board; 25. Vent groove; 26. Protrusion; 27. Slide block; 28. Placing block; 29. Elastic member; 30. Contact plate. Detailed implementation manner

[0021] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0022] As Figures 1-3 shown, a single-sided circuit board screen printing solder resist device includes a box body 1, on which a cover body 11 is provided. A partition board 24 is arranged in the box body 1. A plurality of heating wires 19 arranged in a linear array are provided at the bottom of the partition board 24. A plurality of vent grooves 25 arranged in a linear array are formed on the partition board 24. A plurality of inclined plates 20 arranged in a linear array are provided on the partition board 24. The inclined plates 20 are inclined on the partition board 24, and the included angle between the inclined plates 20 and the partition board 24 is 60°. A predetermined gap is left between every two inclined plates 20 to form a placing cavity 22.

[0023] Specifically, when in use, the cover body 11 on the box body 1 is opened, then the circuit board is placed in the placing cavity 22 formed by the plurality of inclined plates 20, and then the cover body 11 is buckled. Then the heating wire 19 is started, so that the heat of the heating wire 19 enters the partition board 24 through the vent grooves 25 on the partition board 24 to heat the inclined plates 20 on the partition board 24. At the same time, the heat on the inclined plates 20 heats the circuit board in the placing cavity 22, and at the same time the temperature is transmitted to the circuit board through the inclined plates 20 to heat the circuit board.

[0024] In the above solution, the box body 1 is sealed by the cover body 11 on the box body 1. The placement of the heating wire 19 and the circuit board is separated by the partition board 24 in the box body 1. The inside of the box body 1 is heated by the heating wire 19 at the bottom of the partition board 24. The circuit board in the box body 1 is heated through the vent grooves 25 on the partition board 24. The circuit board is placed in the placing cavity 22 formed between the plurality of inclined plates 20.

[0025] As a further embodiment provided by the present utility model, according to Figure 1 , Figure 2 and Figure 3 shown, a plurality of vent holes 21 arranged in a linear array are formed on the inclined plate 20, and the positions of the vent holes 21 on each inclined plate 20 are different.

[0026] Specifically, after the heat enters above the partition plate 24 through the heating wire 19, the circuit board is heated through the ventilation holes 21 on the inclined plate 20.

[0027] As a further embodiment provided by the present utility model, according to Figure 1 , Figure 2 and Figure 3 shown, baffles 23 are symmetrically arranged on both sides of multiple inclined plates 20, and sliders 27 are arranged at the bottoms of the baffles 23.

[0028] Furthermore, it includes a partition plate 24, and convex portions 26 are symmetrically arranged on the partition plate 24. The sliders 27 are slidably arranged on the convex portions 26.

[0029] Even further, a placement block 28 is arranged on the inclined plate 20, an elastic member 29 is arranged on the placement block 28, and a contact plate 30 is arranged on the elastic member 29.

[0030] Even further, a first rotating shaft 12 is arranged at the connection between the box body 1 and the cover body 11, and a handle 17 is arranged on the cover body 11.

[0031] Even further, a notch 13 is formed in the box body 1, a second shaft rod 16 is arranged in the notch 13, a flip cover 14 is arranged in the notch 13, the flip cover 14 is rotatably arranged on the second shaft rod 16, and a handle 15 is arranged on the flip cover 14.

[0032] Specifically, after the heating is completed, the flip cover 14 is opened. The flip cover 14 is opened from the notch 13 through the second shaft rod 16, and then the baffle 23 is pulled, so that the slider 27 at the bottom of the baffle 23 slides on the convex portion 26, and multiple inclined plates 20 are taken out of the box body 1. Then the circuit board is taken out from the placement cavity 22 on the inclined plate 20. After taking out, the baffle 23 is placed in the box body 1 and slides into the convex portion 26.

[0033] Working principle: When in use, the cover body 11 on the box body 1 is opened, and then the circuit board is placed in the placement cavity 22 formed by multiple inclined plates 20. Then the cover body 11 is buckled, and then the heating wire 19 is started, so that the heat of the heating wire 19 enters the partition plate 24 through the ventilation groove 25 on the partition plate 24, and the inclined plate 20 on the partition plate 24 is heated. At the same time, the heat on the inclined plate 20 heats the circuit board in the placement cavity 22. At the same time, the temperature is transmitted to the circuit board through the inclined plate 20 to heat the circuit board. After the heating is completed, the flip cover 14 is opened. The flip cover 14 is opened from the notch 13 through the second shaft rod 16, and then the baffle 23 is pulled, so that the slider 27 at the bottom of the baffle 23 slides on the convex portion 26, and multiple inclined plates 20 are taken out of the box body 1. Then the circuit board is taken out from the placement cavity 22 on the inclined plate 20. After taking out, the baffle 23 is placed in the box body 1 and slides into the convex portion 26.

[0034] Only some exemplary embodiments of the present utility model are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A single-sided circuit board screen printing solder resist device, characterized in that, It includes a box body (1) with a cover body (11) provided thereon. A partition board (24) is arranged inside the box body (1). A plurality of heating wires (19) arranged in a linear array are provided at the bottom of the partition board (24). A plurality of air-permeable grooves (25) arranged in a linear array are formed on the partition board (24). A plurality of inclined plates (20) arranged in a linear array are provided on the partition board (24). The inclined plates (20) are inclined on the partition board (24), and the included angle between the inclined plates (20) and the partition board (24) is 60°. A predetermined gap is left between every two inclined plates (20) to form a placement cavity (22).

2. The single-sided circuit board solder mask screen printing device according to claim 1, wherein A plurality of air-permeable holes (21) arranged in a linear array are formed on the inclined plates (20), and the positions of the air-permeable holes (21) on each inclined plate (20) are different.

3. The single-sided circuit board screen printing solder resist device according to claim 2, characterized in that, Baffles (23) are symmetrically arranged on both sides of the plurality of inclined plates (20), and sliders (27) are provided at the bottoms of the baffles (23).

4. The single-sided circuit board screen printing solder resist device according to claim 3, characterized in that, It includes a partition board (24) with convex portions (2) symmetrically arranged thereon. The sliders (27) are slidably arranged on the convex portions (26).

5. The single-sided circuit board solder mask screen printing device according to claim 1, characterized in that, Placement blocks (28) are provided on the inclined plates (20). Elastic members (29) are provided on the placement blocks (28), and contact plates (30) are provided on the elastic members (29).

6. A single-sided circuit board screen printing solder resist device according to claim 1, characterized in that, A first rotating shaft (12) is provided at the connection between the box body (1) and the cover body (11), and a handle (17) is provided on the cover body (11).

7. A single-sided circuit board solder mask screen printing device according to claim 1, characterized in that, A notch (13) is formed on the box body (1). A second shaft rod (16) is arranged in the notch (13). A flip cover (14) is arranged in the notch (13). The flip cover (14) is rotatably arranged on the second shaft rod (16), and a handle (15) is provided on the flip cover (14).

8. A single-sided circuit board screen printing solder resist device according to claim 5, characterized in that, The elastic member (29) is a spring.

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