CN218519358U

CN218519358U - Paste spreading plate and screen printing device

Info

Publication number: CN218519358U
Application number: CN202222331941.6U
Authority: CN
Inventors: 赵青峰; 林世禄; 刘帅
Original assignee: Guangdong Fenghua Advanced Tech Holding Co Ltd
Current assignee: Guangdong Fenghua Advanced Tech Holding Co Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-24
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to the technical field of chip multilayer ceramic capacitor production, in particular to a slurry paving plate and a screen printing device; the front side of the pulp spreading plate body is provided with a first baffle and a second baffle which are arranged at intervals left and right, and the pulp spreading plate body, the first baffle and the second baffle form a material blocking groove with a forward opening; the third baffle is vertically inserted into the material blocking groove, the material blocking groove is divided into a first sub material blocking groove and a second sub material blocking groove by the third baffle, and the bottom surface of the third baffle is higher than the bottom surfaces of the first baffle and the second baffle; when the slurry blocking device is used, the first baffle and the second baffle can block slurry in the first sub material blocking groove from overflowing from the left side and the right side of the first sub material blocking groove; in the twinkling of an eye that shop's thick liquid ended, it is less to flow into the thick liquid that the sub-silo that keeps off of second from third baffle bottom forward, consequently, the utility model discloses a shop's thick liquid board can reduce the length of first baffle and second baffle, has guaranteed the effective shop's thick liquid length of shop's thick liquid board, meanwhile, can avoid the thick liquid to flow out from the both sides of shop's thick liquid board.

Description

Paste spreading plate and screen printing device

Technical Field

The utility model relates to a slice formula multilayer ceramic electric capacity production technical field especially relates to a shop's thick liquid board and screen printing device.

Background

The chip multilayer ceramic capacitor has the advantages of large capacity, long service life, high temperature and high pressure resistance, small volume, high quality, low price and the like, so the chip multilayer ceramic capacitor becomes the ceramic capacitor which is most widely applied and accounts for about 93 percent of the ceramic capacitor market.

The innovation of consumer electronics greatly increases the demand of the chip type multilayer ceramic capacitor, and at present, the consumption of a single chip type multilayer ceramic capacitor of a notebook computer is about 400 to 800; the using amount of the single-chip multilayer ceramic capacitor of the liquid crystal display television is about 500 to 800, and the using amount of the single-chip multilayer ceramic capacitor of the common 4G mobile phone is about 300 to 400. The application of the 5G information technology has the characteristics of high frequency and short wave, so that the consumption of the chip multilayer ceramic capacitor is increased, and the consumption of the chip multilayer ceramic capacitor of the 5G mobile phone is increased by 10-20% compared with that of the chip multilayer ceramic capacitor of the 4G mobile phone.

The inner electrode of the chip type multilayer ceramic capacitor is formed by solidification after screen printing, slurry needs to be paved and scraped during screen printing, the slurry is uniformly paved on the screen plate through the slurry paving plate during slurry paving, the slurry paved on the screen plate is scraped and extruded to a printing stock through meshes on the screen plate by the slurry scraping plate after the slurry paving is finished, and meanwhile, redundant slurry is scraped so as to print the next printing stock.

Slurry commonly used by the chip multilayer ceramic capacitor is liquid, and the slurry is easy to overflow from two sides of the slurry spreading plate, so that the slurry is wasted; for avoiding spreading thick liquids in the thick liquids process and overflowing from the both sides of shop's thick liquids board, at present, as shown in fig. 1, the interval arrangement's about being equipped with first baffle 12 and second baffle 13 is many in the front side of shop's thick liquids board body 11, encloses between first baffle 12, second baffle 13 and the shop's thick liquids board body 11 and constitutes the opening retaining groove 16 forward to stop the thick liquids in shop's thick liquids board body 11 the place ahead and flow to the both sides of shop's thick liquids board body 11. However, the longer the lengths of the first baffle plate 12 and the second baffle plate 13 are, the shorter the effective slurry spreading length of the slurry spreading plate is, and therefore, in order to ensure the effective working length of the slurry spreading plate, the lengths of the first baffle plate 12 and the second baffle plate 13 need to be set as short as possible, however, when the lengths of the first baffle plate 12 and the second baffle plate 13 are short, although the slurry can be prevented from flowing to the two sides of the slurry spreading plate body 11 in the slurry spreading process, at the moment when the slurry spreading is finished, the slurry in front of the slurry spreading plate body 11 easily continues to flow forward under the action of inertia, so that the slurry overflows from the opening of the stock stopping groove 16, the slurry is wasted, and the printing cost is increased.

Therefore, the existing slurry spreading plate is difficult to avoid slurry from flowing out from two sides of the slurry spreading plate, and simultaneously the effective slurry spreading length of the slurry spreading plate is considered, so that the waste of the slurry or the reduction of the screen printing efficiency are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the existing slurry spreading plate is difficult to avoid slurry from flowing out from two sides of the slurry spreading plate, and simultaneously considers the effective slurry spreading length of the slurry spreading plate, so that the slurry is wasted or the screen printing efficiency is reduced.

In order to solve the technical problem, the utility model aims at providing a pulp spreading plate, which comprises a pulp spreading plate body and a third baffle, wherein the front side of the pulp spreading plate body is provided with a first baffle and a second baffle which are arranged at intervals from left to right, the pulp spreading plate body, the first baffle and the second baffle surround to form a material blocking groove with an opening facing forwards, the third baffle is vertically inserted into the material blocking groove, and the material blocking groove is divided into a first sub material blocking groove with an upward opening and a second sub material blocking groove with a forward opening by the third baffle;

the bottom surface of the third baffle is lower than the bottom surface of the pulp spreading plate body, and the bottom surface of the third baffle is higher than the bottom surfaces of the first baffle and the second baffle.

Preferably, the upper end of the third baffle is in an arc shape with a high left side and a high right side and a low middle.

Preferably, a downwardly protruding silica gel strip is embedded in the lower end of the first baffle and the lower end of the second baffle, and the bottom surface of the third baffle is higher than the bottom surface of the silica gel strip.

A screen printing device comprises a frame body, a scraper and the paste spreading plate, wherein a guide rail extending along the front-back direction is arranged on the frame body, the guide rail is connected with a sliding block capable of moving back and forth, a paste spreading plate body is positioned below the sliding block, and the paste spreading plate body is fixedly connected with the sliding block;

the screen plate is arranged below the pulp spreading plate body, the lower end of the first baffle and the lower end of the second baffle are attached to the upper end of the screen plate, the scraper plate and the second sub material blocking groove are oppositely arranged in the front and back directions, the lower end of the scraper plate is attached to the screen plate, and the upper end of the scraper plate is connected to the sliding block.

According to a preferable scheme, the screen printing device comprises a driving motor and a screw rod which is arranged in parallel with the guide rail at intervals, the driving motor is fixedly connected to the frame body, the screw rod is rotatably connected to the frame body, the sliding block is in threaded connection with the screw rod, and the driving motor is in rotation stopping connection with the screw rod.

Preferably, the sliding block is fixedly connected with a vertically arranged telescopic driving device, an output shaft of the telescopic driving device is fixedly connected with the upper end of the scraper, and the telescopic driving device drives the scraper to ascend or descend so as to enable the lower end of the scraper to be attached to or separated from the upper end of the screen plate.

Preferably, the telescopic driving device is an air cylinder.

As a preferable scheme, the upper part of the rear side of the pulp paving plate body is connected with a feeding pipe, and a discharging port of the feeding pipe is communicated with the first sub material blocking groove.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a spread pulp board includes spread pulp board body and third baffle, spreads the first baffle and the second baffle of pulp board body left and right interval arrangement in the front side, spreads pulp board body, first baffle and second baffle and encloses into the fender silo that the opening is forward; the third baffle is vertically inserted into the material blocking groove, the third baffle divides the material blocking groove into a first sub material blocking groove with an upward opening and a second sub material blocking groove with a forward opening, and the bottom surface of the third baffle is higher than the bottom surfaces of the first baffle and the second baffle; when the screen plate is used, the bottom surface of the first baffle plate and the bottom surface of the second baffle plate are attached to the upper end of the screen plate, and the first baffle plate and the second baffle plate can prevent slurry in the first sub material blocking groove from overflowing from the left side and the right side of the first sub material blocking groove; at the moment when the slurry spreading is finished, the third baffle plate can prevent the slurry in the first sub-baffle groove from flowing forwards under the action of inertia, and the bottom surface of the third baffle plate is lower than the bottom surface of the slurry spreading plate body, so that the gap between the bottom surface of the third baffle plate and the screen plate is small, the slurry flowing forwards from the bottom of the third baffle plate into the second sub-baffle groove is less, and the slurry flowing into the second sub-baffle groove can be prevented when the depth of the second sub-baffle groove in the front-back direction is shallow; therefore, the utility model discloses a spread the thick liquid board and compare the length that can reduce first baffle and second baffle with current shop's thick liquid board, guaranteed the effective shop's thick liquid length of shop's thick liquid board, meanwhile, can avoid the thick liquid to flow outside from the both sides of shop's thick liquid board.

Drawings

FIG. 1 is a schematic structural view of a conventional pulp-spreading sheet;

FIG. 2 is an isometric view of a screed plate of the present invention;

FIG. 3 is a top view of the grout plate of the present invention;

fig. 4 is an isometric view of a screen printing apparatus of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

fig. 6 is a side view of the screen printing apparatus of the present invention;

in the figure, 11, a floor body; 12. a first baffle; 13. a second baffle; 14. a material blocking groove; 141. a first sub material blocking groove; 142. a second sub material blocking groove; 15. a third baffle; 2. a frame body; 3. a squeegee; 4. a guide rail; 5. a slider; 6. a screen plate; 71. a drive electrode; 72. a screw; 8. a telescopic driving device; 9. and (4) feeding a pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the present invention.

As shown in fig. 2 to 6, the preferred embodiment of the present invention includes a pulp spreading plate body 11 and a third baffle 15, the front side of the pulp spreading plate body 11 is provided with a first baffle 12 and a second baffle 13 which are arranged at a left-right interval, the pulp spreading plate body 11, the first baffle 12 and the second baffle 13 surround a material blocking groove 14 with a forward opening, the third baffle 15 is vertically inserted into the material blocking groove 14, and the material blocking groove 14 is divided into a first sub material blocking groove 141 with an upward opening and a second sub material blocking groove 142 with a forward opening by the third baffle 15; the bottom surface of the third baffle 15 is lower than the bottom surface of the grout spreading plate body 11, and the bottom surface of the third baffle 15 is higher than the bottom surfaces of the first baffle 12 and the second baffle 13.

When the screen plate is used, the bottom surface of the first baffle plate 12 and the bottom surface of the second baffle plate 13 are attached to the upper end of the screen plate 6, and the first baffle plate 12 and the second baffle plate 13 can prevent slurry in the first sub material blocking groove 141 from overflowing from the left side and the right side of the first sub material blocking groove 141; at the moment when the slurry spreading is finished, the third baffle 15 can block the slurry in the first sub-baffle groove 141 from flowing forward under the action of inertia, and the bottom surface of the third baffle 15 is lower than the bottom surface of the slurry spreading plate body 11, so that the gap between the bottom surface of the third baffle 15 and the mesh plate 6 is small, the slurry flowing forward from the bottom of the third baffle 15 into the second sub-baffle groove 142 is small, and the second sub-baffle groove 142 can also block the slurry flowing into the second sub-baffle groove 142 when the depth of the second sub-baffle groove 142 in the front-back direction is shallow; therefore, the utility model discloses a spread the thick liquid board and compare the length that can reduce first baffle 12 and second baffle 13 with current spread the thick liquid board, meanwhile, can avoid the thick liquid to flow outward from the both sides of spreading the thick liquid board.

Further, the upper end of the third baffle 15 is in an arc shape with a high left side and a high right side and a low middle; when the slurry in the first sub-dam trough 141 is too much, the slurry at the top of the first sub-dam trough 141 flows into the second sub-dam trough 142 from the lower part of the middle part of the third baffle 15, and the slurry is further prevented from overflowing from the two sides of the second sub-dam trough 142.

In this embodiment, in order to prevent the lower end of the first baffle 12 and the lower end of the second baffle 13 from rubbing the screen 6 after being mounted to the upper end of the screen 6, a downward protruding silica gel strip is embedded in both the lower end of the first baffle 12 and the lower end of the second baffle 13, and the bottom surface of the third baffle 15 is higher than the bottom surface of the silica gel strip.

An embodiment of a screen printing device comprises a frame body 2, a scraper 3 and the paste spreading plate, wherein the frame body 2 is provided with a guide rail 4 extending along the front-back direction, the guide rail 4 is connected with a sliding block 5 capable of moving back and forth, a paste spreading plate body 11 is positioned below the sliding block 5, and the paste spreading plate body 11 is fixedly connected with the sliding block 5; the screen plate 6 is arranged below the pulp spreading plate body 11, the lower ends of the first baffle plate 12 and the second baffle plate 13 are attached to the upper end of the screen plate 6, the scraper 3 and the second sub material blocking groove 142 are arranged in a front-back opposite mode, the lower end of the scraper 3 is attached to the screen plate 6, and the upper end of the scraper 3 is connected to the sliding block 5.

The screen printing device comprises a driving motor 71 and a screw 72 which is arranged in parallel with the guide rail at intervals, the driving motor 71 is fixedly connected to the frame body 2, the screw 72 is rotatably connected to the frame body 2, the sliding block 5 is in threaded connection with the screw 72, and the driving motor 71 is in rotation stopping connection with the screw 72.

In this embodiment, the slide block 5 is fixedly connected with a vertically arranged telescopic driving device 8, an output shaft of the telescopic driving device 8 is fixedly connected with the upper end of the scraper 3, and the telescopic driving device 8 drives the scraper 3 to ascend or descend, so that the lower end of the scraper 3 is attached to or separated from the upper end of the screen plate 6. Specifically, the telescopic driving device 8 is a cylinder; when the driving electrode 71 drives the paving plate to move forwards for paving the pulp, the telescopic driving device 8 drives the scraper 3 to move upwards, so that the lower end of the scraper 3 and the screen plate 6 are arranged at intervals up and down, and friction between the scraper 3 and the screen plate 6 in the paving process is avoided; when the driving electrode 71 drives the plate to move backwards to scrape pulp, the telescopic driving device 8 drives the scraper 3 to move downwards, so that the lower end of the scraper 3 is attached to the screen plate 6, the pulp paved on the screen plate 6 is scraped and squeezed onto a printing stock through meshes on the screen plate 6, and meanwhile, redundant pulp on the screen plate 6 is scraped so as to print the next printing stock.

Under the condition that the third baffle 15 is not arranged, when the spreading process is about to end, due to the inertia of the slurry, the slurry in the material blocking groove 14 continues to flow forward under the action of inertia, so that after the scraper 3 descends, the slurry flows to the front of the scraper 3, the slurry is adhered to the front side of the scraper 3, and the slurry dragging of the scraper 3 is further caused; in this embodiment, the third baffle 15 reduces the distance that the slurry flows forward, and avoids slurry dragging.

In this embodiment, the upper portion of the rear side of the pulp paving plate body 11 is connected with a feeding pipe 9, and a discharge port of the feeding pipe 9 is communicated with the first sub material blocking groove 141.

In conclusion, when the slurry spreading plate of the utility model is used, the first baffle plate 12 and the second baffle plate 13 can prevent the slurry in the first sub-baffle groove 141 from overflowing from the left side and the right side of the first sub-baffle groove 141; at the moment when the slurry spreading is finished, the third baffle 15 can block the slurry in the first sub-baffle groove 141 from flowing forward under the action of inertia, and the bottom surface of the third baffle 15 is lower than the bottom surface of the slurry spreading plate body 11, so that the gap between the bottom surface of the third baffle 15 and the mesh plate 6 is small, the slurry flowing forward from the bottom of the third baffle 15 into the second sub-baffle groove 142 is small, and the second sub-baffle groove 142 can also block the slurry flowing into the second sub-baffle groove 142 when the depth of the second sub-baffle groove 142 in the front-back direction is shallow; therefore, compared with the existing grout spreading plate, the length of the first baffle plate 12 and the second baffle plate 13 can be reduced, and the effective grout spreading length of the grout spreading plate is ensured; meanwhile, the outflow of the slurry from both sides of the pulp-laying plate can be avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The pulp paving plate is characterized by comprising a pulp paving plate body (11) and a third baffle plate (15), wherein the front side of the pulp paving plate body (11) is provided with a first baffle plate (12) and a second baffle plate (13) which are arranged at left and right intervals, the pulp paving plate body (11), the first baffle plate (12) and the second baffle plate (13) enclose a material blocking groove (14) with a forward opening, the third baffle plate (15) is vertically inserted into the material blocking groove (14), and the material blocking groove (14) is divided into a first sub material blocking groove (141) with an upward opening and a second sub material blocking groove (142) with a forward opening by the third baffle plate (15);

the bottom surface of the third baffle (15) is lower than the bottom surface of the pulp paving plate body (11), and the bottom surface of the third baffle (15) is higher than the bottom surfaces of the first baffle (12) and the second baffle (13).

2. A decking panel as claimed in claim 1, wherein the upper end of the third fence (15) is curved with the left and right sides high and the centre low.

3. The pulp paving board according to claim 1, wherein a downward-protruding silica gel strip is embedded in the lower end of the first baffle (12) and the lower end of the second baffle (13), and the bottom surface of the third baffle (15) is higher than the bottom surface of the silica gel strip.

4. A screen printing device is characterized by comprising a frame body (2), a scraper (3) and the slurry spreading plate of any one of claims 1 to 3, wherein a guide rail (4) extending along the front-back direction is arranged on the frame body (2), the guide rail (4) is connected with a sliding block (5) capable of moving back and forth, the slurry spreading plate body (11) is positioned below the sliding block (5), and the slurry spreading plate body (11) is fixedly connected with the sliding block (5);

the screen plate (6) is arranged below the pulp paving plate body (11), the lower ends of the first baffle plate (12) and the second baffle plate (13) are attached to the upper end of the screen plate (6), the scraping plate (3) and the second sub-baffle trough (142) are oppositely arranged in the front and back direction, the lower end of the scraping plate (3) is attached to the screen plate (6), and the upper end of the scraping plate (3) is connected to the sliding block (5).

5. The screen printing device according to claim 4, characterized in that the screen printing device comprises a driving motor (71) and a screw rod (72) which is arranged in parallel with the guide rail at intervals, the driving motor (71) is fixedly connected to the frame body (2), the screw rod (72) is rotatably connected to the frame body (2), the slide block (5) is in threaded connection with the screw rod (72), and the driving motor (71) is in rotation stopping connection with the screw rod (72).

6. A screen printing device according to claim 4, wherein the slide block (5) is fixedly connected with a vertically arranged telescopic driving device (8), an output shaft of the telescopic driving device is fixedly connected with the upper end of the scraper (3), and the telescopic driving device (8) drives the scraper (3) to ascend or descend so as to enable the lower end of the scraper (3) to be attached to or separated from the upper end of the screen plate (6).

7. A screen printing device according to claim 6, characterised in that the telescopic drive means (8) is a pneumatic cylinder.

8. A screen printing device according to claim 4, wherein a feed pipe (9) is connected to the upper portion of the rear side of the paste spreading plate body (11), and a discharge port of the feed pipe (9) is communicated with the first sub dam groove (141).