Vertical silk screen bottom printing ink cleaning device

Abstract

The utility model discloses a vertical silk screen bottom printing ink cleaning device which comprises a feeding frame, a lower linear guide rail and an upper linear guide rail are installed on the two sides of the feeding frame respectively, a front screen plate and a rear screen plate are installed at the top and the bottom of the feeding frame respectively, sliding seats which are linearly arranged are installed on the two sides of the horizontal right side of the feeding frame respectively, and the front screen plate and the rear screen plate are arranged on the left side of the feeding frame. And a sliding mechanism is mounted on the sliding seat. The two scraping plates on the sliding mechanism synchronously move and make contact with each other and scrape away residual ink remaining on the opposite faces of the front screen plate and the rear screen plate, and when the scraping plates make contact with the front screen plate and the rear screen plate, the sliding mechanism elastically supports the two scraping plates so that the scraping plates can make contact with the surfaces of the front screen plate and the rear screen plate all the time, and therefore the scraping plates can be scraped away. Therefore, the device has the advantages that residual ink on the screen can be scraped and cleaned in real time, the hole site is prevented from being blocked, and the hole site is kept clean all the time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB silk printing, more specifically, to a vertical silk printing screen bottom ink cleaning device. BACKGROUND

[0002] PCB solder mask, also called PCB solder resist, is also called PCB solder mask film in flexible circuit board, which sprays green, yellow, red, black, blue and other photosensitive inks on the surface of PCB circuit board. In the process of manufacturing printed circuit board (PCB), the coating of solder mask ink is a very critical process. The main functions of solder mask film on PCB board are to protect the circuit, prevent the soldering of conductors and other unnecessary soldering; prevent electrical short circuit between conductors caused by moisture or chemicals; prevent disconnection caused by improper handling in PCB board production and electrical installation; and prevent the invasion of PCB board in various harsh environments.

[0003] After the ink printing is completed, the ink on the screen will be transferred to the PCB board. When there is a hole on the PCB board, the position corresponding to the hole on the screen will remain on the screen because the ink has no place to transfer. As the production quantity increases, the ink on the screen accumulates more and more, and eventually flows into the hole to block the hole, causing the PCB to be unable to plug in. The purpose of the present application is to eliminate the residual ink on the hole position on the screen. There is no such technology to eliminate the residual ink on the hole position in the existing vertical printing system. This function is realized by the conveying movement of the feeding frame to realize the screen scraping function. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems existing in the prior art, the purpose of the present utility model is to provide a vertical silk printing screen bottom ink cleaning device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A vertical silk printing screen bottom ink cleaning device, comprising a feeding frame, the feeding frame is provided with a lower linear guide rail and an upper linear guide rail on both sides respectively, the top and the bottom of the feeding frame are respectively provided with a front screen plate and a rear screen plate, the horizontal right side of the feeding frame is provided with a linearly arranged slide on both sides, the slide is provided with a sliding mechanism, the sliding mechanism is provided with two symmetrically distributed scrapers on both sides, and the opposite side of the two scrapers is aligned with the plane opposite to the front screen plate and the rear screen plate.

[0007] As a further description of the above technical scheme: the sliding mechanism comprises two sliding blocks and a spring, the two sliding blocks are slidingly installed on the slide, the opposite sides of the two sliding blocks are movably connected through the spring, and the two sliding blocks are fixedly connected with the two scrapers through bolts respectively.

[0008] As a further description of the above technical solution: two symmetrically distributed stop blocks are installed on the sliding seat, and the opposite sides of the two stop blocks are respectively in contact with the opposite sides of the two sliding blocks.

[0009] As a further description of the above technical solution: two symmetrically distributed stop blocks are installed on the sliding seat, and the opposite sides of the two stop blocks are respectively in contact with the opposite sides of the two sliding blocks.

[0010] As a further description of the above technical solution: two symmetrically distributed stop blocks are installed on the sliding seat, and the opposite sides of the two stop blocks are respectively in contact with the opposite sides of the two sliding blocks.

[0011] As a further description of the above technical solution: two symmetrically distributed stop blocks are installed on the sliding seat, and the opposite sides of the two stop blocks are respectively in contact with the opposite sides of the two sliding blocks.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The sliding mechanism provides elastic support for the two scrapers, so that the residual ink on the surfaces of the front screen plate and the rear screen plate is scraped off during the operation of the feeding frame, the device can scrape off the residual ink on the screen plate in real time, the hole position is prevented from being blocked, and the hole position is kept clean. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a front view structural schematic diagram of the utility model;

[0017] Figure 4 It is Figure 3 It is a front view structural schematic diagram of the utility model;

[0018] Mark explanation in the drawing:

[0019] 1, feeding frame; 2, rear screen plate; 3, front screen plate; 4, lower linear guide; 5, upper linear guide; 6, sliding seat; 61, stop block; 7, sliding mechanism; 71, sliding block; 72, spring; 8, scraper; 81, inclined guide surface; 9, receiving box. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model;

[0021] Please refer to Figures 1 to 4The utility model discloses a vertical silk screen printing net bottom ink cleaning device, including the feeding frame 1, the feeding frame 1 both sides are installed between lower linear guide 4 and upper linear guide 5 respectively, the top and bottom of feeding frame 1 are installed front net plate 3 and rear net plate 2 respectively, the horizontal right side of feeding frame 1 is installed linearly arranged slide 6, and slide 6 is installed sliding mechanism 7, and two scraper plates 8 of symmetrical distribution are installed on sliding mechanism 7, and the opposite side of two scraper plates 8 is aligned with the plane of the opposite side of front net plate 3 and rear net plate 2.

[0022] The utility model discloses a vertical silk screen printing net bottom ink cleaning device, including the feeding frame 1, the feeding frame 1 both sides are installed between lower linear guide 4 and upper linear guide 5 respectively, the top and bottom of feeding frame 1 are installed front net plate 3 and rear net plate 2 respectively, the horizontal right side of feeding frame 1 is installed linearly arranged slide 6, and slide 6 is installed sliding mechanism 7, and two scraper plates 8 of symmetrical distribution are installed on sliding mechanism 7, and the opposite side of two scraper plates 8 is aligned with the plane of the opposite side of front net plate 3 and rear net plate 2.

[0023] Please refer to Figure 2 With Figure 4 Among them: sliding mechanism 7 includes two sliders 71 and spring 72, two sliders 71 are slidably installed to slide 6, and the opposite side of two sliders 71 is movably connected through spring 72, and two sliders 71 are fixedly connected with two scraper plates 8 through bolt respectively.

[0024] The utility model discloses a vertical silk screen printing net bottom ink cleaning device, including the feeding frame 1, the feeding frame 1 both sides are installed between lower linear guide 4 and upper linear guide 5 respectively, the top and bottom of feeding frame 1 are installed front net plate 3 and rear net plate 2 respectively, the horizontal right side of feeding frame 1 is installed linearly arranged slide 6, and slide 6 is installed sliding mechanism 7, and two scraper plates 8 of symmetrical distribution are installed on sliding mechanism 7, and the opposite side of two scraper plates 8 is aligned with the plane of the opposite side of front net plate 3 and rear net plate 2.

[0025] Please refer to Figure 2 Among them: two symmetrically distributed stoppers 61 are installed on slide 6, and the opposite side of two stoppers 61 is in contact with the opposite side of two sliders 71 respectively.

[0026] The utility model discloses a vertical silk screen printing net bottom ink cleaning device, including the feeding frame 1, the feeding frame 1 both sides are installed between lower linear guide 4 and upper linear guide 5 respectively, the top and bottom of feeding frame 1 are installed front net plate 3 and rear net plate 2 respectively, the horizontal right side of feeding frame 1 is installed linearly arranged slide 6, and slide 6 is installed sliding mechanism 7, and two scraper plates 8 of symmetrical distribution are installed on sliding mechanism 7, and the opposite side of two scraper plates 8 is aligned with the plane of the opposite side of front net plate 3 and rear net plate 2.

[0027] Please refer to Figure 2Wherein: two scrapers 8 are provided with inclined guide surfaces 81 on the side of the front screen plate 3 and the rear screen plate 2.

[0028] In the utility model, the scraper 8 is contacted with the front screen plate 3 and the rear screen plate 2 at the moment, and the inclined guide surface 81 avoids knocking and makes the contact more smooth.

[0029] Please refer to Figure 1 Wherein: the right side of the bottom of the feeding frame 1 is fixedly provided with a receiving box 9, and the receiving box 9 is located at the bottom of the two scrapers 8.

[0030] In the utility model, the receiving box 9 collects the falling ink scraped by the two scrapers 8, and avoids scattering.

[0031] Please refer to Figure 1 Wherein: the scraper 8 is a metal plate, and the scraper 8 is more wear-resistant and improves the service life in the utility model.

[0032] The above is only the preferred specific implementation mode of the utility model; but the protection scope of the utility model is not limited to this. Any skilled person in the technical field according to the technical scheme and the improvement conception of the utility model within the technical range disclosed by the utility model, equivalent replacement or change are all covered in the protection scope of the utility model.

Claims

1. A vertical screen printing net bottom ink cleaning device, comprising a feeding frame (1), characterized in that: The feeding frame (1) is respectively installed with a lower linear guide rail (4) and an upper linear guide rail (5) between two sides, the top and the bottom of the feeding frame (1) are respectively installed with a front screen plate (3) and a rear screen plate (2), the horizontal right side of the feeding frame (1) is installed with linearly arranged sliding seats (6) on both sides, the sliding seats (6) are installed with sliding mechanisms (7), the sliding mechanisms (7) are installed with two symmetrically distributed scraping plates (8), and the opposite sides of the two scraping plates (8) are aligned with the opposite sides of the front screen plate (3) and the rear screen plate (2).

2. A vertical screen printing web bottom ink cleaning device according to claim 1, characterized in that: The sliding mechanism (7) comprises two sliding blocks (71) and springs (72), the two sliding blocks (71) are slidably installed on the sliding seat (6), the opposite sides of the two sliding blocks (71) are movably connected through the springs (72), and the two sliding blocks (71) are fixedly connected with the two scraping plates (8) through bolts.

3. A vertical screen printing web bottom ink cleaning device according to claim 2, wherein: The sliding seat (6) is installed with two symmetrically distributed stop blocks (61), and the opposite sides of the two stop blocks (61) are respectively in contact with the opposite sides of the two sliding blocks (71).

4. A vertical screen printing web bottom ink cleaning device according to claim 1, wherein: The side faces of the two scraping plates (8) facing the front screen plate (3) and the rear screen plate (2) are provided with inclined guide surfaces (81).

5. A vertical screen printing web bottom ink cleaning device as claimed in claim 1, wherein: The bottom right side of the feeding frame (1) is fixedly installed with a receiving box (9), and the receiving box (9) is located at the bottom of the two scraping plates (8).

6. A vertical screen printing web bottom ink cleaning device according to claim 1, wherein: The scraping plate (8) is a metal plate.

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