CN211097753U

CN211097753U - Slurry filter

Info

Publication number: CN211097753U
Application number: CN201920911000.5U
Authority: CN
Inventors: 胡林; 王建强
Original assignee: Chengdu Dongteng Film Solar Co ltd
Current assignee: Hanwa Technology Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-07-28
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to the technical field of screen printing, in particular to a slurry filter; a slurry filter comprises a filter screen, a scraping part and a driver, wherein the driver is in transmission connection with the scraping part; the driver drives the scraping piece to reciprocate on the filter screen, and the scraping piece pushes the slurry to penetrate from one side of the filter screen to the other side of the filter screen for filtering; the utility model provides a slurry filter includes the filter screen, scrapes piece and driver, and the driver is connected with the transmission of scraping the piece to the driver drives and scrapes the piece reciprocating motion on the filter screen, wears to the opposite side from one side of filter screen to filter with scraping the piece promotion slurry, thereby realizes filtering slurry automatically.

Description

Slurry filter

Technical Field

The utility model relates to a screen printing technical field, concretely relates to slurry filtering machine.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process.

At present, foreign matters exist in the slurry in the screen printing process of the photovoltaic industry, and damage can be caused to a screen printing plate. Therefore, in order to prevent the foreign substances in the paste from damaging the screen plate and to improve the printing quality, the paste needs to be filtered.

The existing filtering mode is manual to filter the slurry on the filtering screen plate, the manual filtering is inconvenient, and a large amount of working hours can be wasted.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a can carry out filterable thick liquids filter to thick liquids automatically.

In order to realize the technical problem, the utility model provides a slurry filter, which comprises a filter screen, a scraping part and a driver, wherein the driver is in transmission connection with the scraping part; and the driver drives the scraping piece to reciprocate on the filter screen, and the scraping piece pushes the slurry to penetrate from one side of the filter screen to the other side of the filter screen for filtering.

The utility model provides a slurry filter includes the filter screen, scrapes piece and driver, and the driver is connected with the transmission of scraping the piece to the driver drives and scrapes the piece reciprocating motion on the filter screen, wears to the opposite side from one side of filter screen to filter with scraping the piece promotion slurry, thereby realizes filtering slurry automatically.

Further, still include elevating gear, elevating gear with the driver is connected, elevating gear is used for driving the driver goes up and down.

Further, the driver is a linear reciprocating power device.

Further, the driver is a push rod cam mechanism, a gear rack mechanism or a screw rod screw mechanism.

Further, the driver comprises a screw rod, a sliding block and a motor, and the screw rod and the sliding block are in transmission connection through threads; one end of the screw is in transmission connection with the motor; the sliding block is fixedly connected with the scraping piece, and the motor drives the scraping piece to reciprocate through the transmission of the screw rod and the sliding block.

Furthermore, the edge of the filter screen is connected with a limiting frame, and the limiting frame limits the movement stroke of the scraping part.

Furthermore, the slurry collector is arranged below the filter screen and corresponds to the filter screen.

The slurry collector further comprises a flow diverter, the flow diverter comprises a feeding hole and a discharging hole, and the flow diverter is positioned between the filter screen and the slurry collector; the feed inlet corresponds the filter screen setting, the discharge gate corresponds the thick liquids collector setting.

Further, the scraping piece comprises two parallel scrapers, and the interval between the two scrapers is smaller than the width of the filter screen in the corresponding direction.

Further, still include the operation panel, spacing frame with the operation panel passes through detachable connections spare to be fixed.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of one embodiment of a slurry filter provided by the present invention;

FIG. 2 is a schematic view of a filter screen of the slurry filter shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the slurry filter shown in FIG. 1;

figure 4 is a perspective view from another perspective of the pulp filter shown in figure 1.

Wherein, the corresponding relations between the reference numbers and the part names in fig. 1 to fig. 4 are as follows:

1. the device comprises a rack, 2, a filter screen, 21, a limiting frame, 22, a slurry passing area, 23, an impurity passing area, 3, a scraping part, 31, a scraper, 311, a connecting part, 312, a scraping part, 4, a driver, 41, a screw, 42, a sliding block, 43, a motor, 44, a supporting guide rail, 45, a fixing plate, 5, a lifting device, 6, a slurry collector, 7, a flow diverter, 8, an operation table, 81, an installation port, 9, a detachable connecting piece, 91 and a pressing block.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

At present, in the screen printing process of the photovoltaic industry, impurities exist in the slurry, and the screen printing plate can be damaged. Therefore, in order to prevent the impurities in the slurry from damaging the screen plate and to improve the printing quality, the slurry needs to be filtered.

The paste can be dielectric paste, resistance paste or conductor paste.

In this embodiment, the paste is a silver paste.

Referring to fig. 1, an embodiment of a slurry filter according to the present invention includes a frame 1, a filter screen 2, a scraping member 3, a driver 4, and a control unit.

The frame 1 serves to provide a fixed support for the various components on the pulp filter. Specifically, the filter screen 2, the scraper 3, the driver 4 and the control unit are all arranged on the frame 1.

In the present embodiment, the frame 1 has a rectangular parallelepiped shape.

Driver 4 is connected with scraping 3 transmissions to driver 4 drives and scrapes 3 reciprocating motion on filter screen 2, and it filters to wear to the opposite side from one side of filter screen 2 to scrape 3 promotion thick liquids, thereby realizes filtering thick liquids automatically, avoids artificial manual filterable inconvenient, extravagant man-hour.

Specifically, be connected with spacing frame 21 on the edge of filter screen 2, the spacing motion stroke of scraping 3 of spacing frame 21 to prevent that thick liquids from spilling over filter screen 2, avoid thick liquids to spill over and cause the waste. Further, the height of the limiting frame 21 is higher than the surface of the filter screen 2 so as to play a limiting role.

Referring to fig. 2, in one embodiment, the filter screen 2 includes a slurry passing region 22 and an impurity passing region 23, the slurry passing region 22 is for slurry to pass through, and the impurity passing region 23 is for impurity to pass through. The driver 4 pushes the pulp through the pulp passage zone 22 by driving the scraper 3. After filtering the thick liquids, impurity that does not pass through, rethread driver 4 is through driving to scrape and move piece 3 and promote impurity and move to impurity passing region 23, makes impurity passing region 23 see through filter screen 2. And impurities are prevented from being blocked or accumulated on the filter screen 2 to influence the subsequent slurry filtration. The action of frequently replacing the filter screen 2 is also avoided, and the use is simple and convenient.

Referring to fig. 3, the scraping element 3 includes two parallel scrapers 31 disposed at an interval, and a slurry containing area is formed between the two scrapers 31 and is used for containing slurry. The pulp is placed in the pulp receiving area between the two blades 31 so that the two blades 31 move the pulp, thereby pushing the pulp through from one side of the filter screen 2 to the other.

The spacing between the two scrapers 31 is smaller than the width of the filter web 2 in the corresponding direction.

Specifically, each scraper 31 includes a connecting portion 311 and a scraping portion 312 connected, and the connecting portions 311 of the two scrapers 31 are disposed in parallel and connected to the driver 4. The scraping parts 312 of the two scrapers 31 are inclined toward each other, and the opening of the side of the two scrapers 31 where the scraping parts 312 are connected with the connecting part 311 is smaller than the opening of the side far away from the connecting part 311.

The driver 4 is located above the filter screen 2. The driver 4 is a linear reciprocating power device, and the driver 4 drives the scraping piece 3 to do linear reciprocating motion. The linear reciprocating power device can be a push rod cam mechanism, a gear rack mechanism or a screw rod spiral mechanism. It will be appreciated by those skilled in the art that in other embodiments, the driver 4 may be other types of linear reciprocating power devices.

In the present embodiment, referring to fig. 4, the driver 4 includes a screw 41, a slider 42 and a motor 43, and the screw 41 and the slider 42 are connected by a screw transmission. One end of the screw rod 41 is connected with a motor 43, the sliding block 42 is fixedly connected with the scraping piece 3, and the motor 43 drives the scraping piece 3 to reciprocate through a transmission belt of the screw rod 41 and the sliding block 42. In the present embodiment, the slider 42 is connected to the connecting portion 311 of the two scrapers 31.

The driver 4 further includes two support rails 44, and the slider 42 is provided with two sliding grooves corresponding to the support rails 44 one by one. The sliding blocks 42 are slidably connected to a corresponding one of the support rails 44 through each sliding groove. The slider 42 slides under the support of the two support rails 44, preventing the slider 42 from being unbalanced and thus being displaced.

In the present embodiment, the driver 4 is fixed to the fixing plate 45.

Referring to fig. 1 and 3, the slurry filter further includes a lifting device 5, a slurry collector 6, a flow diverter 7 and an operation table 8.

The lifting device 5 is connected with the driver 4, and the lifting device 5 is used for driving the driver 4 to lift. Specifically, the lifting device 5 is connected to the fixed plate 45. In the present embodiment, the lifting device 5 is a lifting cylinder. The number of the lifting cylinders may be one or more, and is not limited herein.

The slurry collector 6 is positioned below the filter screen 2 and is arranged corresponding to the filter screen 2, and the slurry collector 6 is used for collecting the filtered slurry.

In one embodiment, the slurry collector 6 is disposed corresponding to the slurry passing area 22 of the filter screen 2.

In another embodiment, the pulp filter further comprises an impurity collector located below the filter screen 2 and arranged corresponding to the impurity passing zone 23, the impurity collector being adapted to collect impurities.

The flow diverter 7 comprises a feeding hole and a discharging hole, and the flow diverter 7 is positioned between the filter screen 2 and the pulp collector 6. The feed inlet corresponds filter screen 2 and sets up, and the discharge gate corresponds thick liquids collector 6 and sets up. The drainage device 7 is used for guiding the filtered slurry to flow into the slurry collector 6, so that the problem that the size of the filter screen 2 is not matched with the size of a feeding port of the slurry collector 6 is solved. In this embodiment, the flow diverter 7 is funnel-shaped.

In one embodiment, flow director 7 comprises a slurry channel and an impurity channel. The feed inlet of thick liquids passageway corresponds the thick liquids of filter screen 2 and passes through district 22 and set up, and the discharge gate of thick liquids passageway corresponds thick liquids collector 6 and sets up, and thick liquids passageway is used for guiding the thick liquids after the filtration to flow in thick liquids collector 6. The feed inlet of impurity passageway corresponds the impurity of filter screen 2 and passes through district 23 setting, and the discharge gate of thick liquids passageway corresponds the impurity collector setting, and the impurity passageway is used for guiding impurity to flow into in the impurity collector.

The limiting frame 21 and the operating platform 8 are fixed through a detachable connecting piece 9. Specifically, the console 8 is plate-shaped and provided on the top of the frame 1. The detachable connecting piece 9 comprises a pressing block 91 and a screw, and after the pressing block 91 is pressed against the limiting frame 21, the pressing block 91 is fixed on the operating platform 8 through the screw.

In the present embodiment, the number of the compacts 91 is four.

In another embodiment, the detachable connection may be a snap connection.

The operation table 8 is further provided with an installation opening 81, and the filter screen 2 is arranged corresponding to the installation opening 81.

Operation panel 8 is including the upper surface and the lower surface that carry on the back mutually, and spacing frame 21 is fixed in the upper surface of operation panel 8, and the feed inlet end of flow diverter 7 is connected in the lower surface of operation panel 8 to the feed inlet of flow diverter 7 also corresponds installing port 81 and sets up.

The driver 4 and the lifting device 5 are respectively connected with a control unit, and the control unit is used for respectively controlling the driver 4 and the lifting device 5 to work. Specifically, the motor 43 of the driver 4 is connected to the control unit, and the lifting cylinder is connected to the control unit.

The utility model provides a slurry filter includes filter screen 2, scrapes and moves 3 and driver 4, and driver 4 is connected with the transmission of scraping 3 to driver 4 drives and scrapes 3 reciprocating motion on filter screen 2, and it wears to the opposite side from one side of filter screen 2 to filter to scrape 3 promotion thick liquids, thereby realizes filtering thick liquids automatically.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which 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 specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A slurry filter characterized by: the filter screen scraper comprises a filter screen, a scraping part and a driver, wherein the driver is in transmission connection with the scraping part; and the driver drives the scraping piece to reciprocate on the filter screen, and the scraping piece pushes the slurry to penetrate from one side of the filter screen to the other side of the filter screen for filtering.

2. The slurry filter according to claim 1, wherein: still include elevating gear, elevating gear with the driver is connected, elevating gear is used for driving the driver goes up and down.

3. The slurry filter according to claim 1, wherein: the driver is a linear reciprocating power device.

4. A slurry filter according to claim 3, wherein: the driver is a push rod cam mechanism, a gear rack mechanism or a screw rod spiral mechanism.

5. A slurry filter according to claim 3, wherein: the driver comprises a screw rod, a sliding block and a motor, and the screw rod is in transmission connection with the sliding block through threads; one end of the screw is in transmission connection with the motor; the sliding block is fixedly connected with the scraping piece, and the motor drives the scraping piece to reciprocate through the transmission of the screw rod and the sliding block.

6. The slurry filter according to claim 1, wherein: the edge of the filter screen is connected with a limiting frame, and the limiting frame limits the movement stroke of the scraping part.

7. The slurry filter according to claim 1, wherein: the slurry collector is positioned below the filter screen and corresponds to the filter screen.

8. The slurry filter according to claim 7, wherein: the slurry collector also comprises a drainage device, the drainage device comprises a feeding hole and a discharging hole, and the drainage device is positioned between the filter screen and the slurry collector; the feed inlet corresponds the filter screen setting, the discharge gate corresponds the thick liquids collector setting.

9. The slurry filter according to claim 1, wherein: the scraping piece comprises two parallel scrapers, and the interval between the two scrapers is smaller than the width of the filter screen in the corresponding direction.

10. The slurry filter according to claim 6, wherein: the limiting frame is fixed with the operating platform through a detachable connecting piece.