CN117549457B - Plastic raw material screening device for optical film production - Google Patents

Plastic raw material screening device for optical film production Download PDF

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Publication number
CN117549457B
CN117549457B CN202410044211.9A CN202410044211A CN117549457B CN 117549457 B CN117549457 B CN 117549457B CN 202410044211 A CN202410044211 A CN 202410044211A CN 117549457 B CN117549457 B CN 117549457B
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Prior art keywords
wall
fixedly connected
filter screen
box body
box
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CN202410044211.9A
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CN117549457A (en
Inventor
叶航
周奕杰
林欲金
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Nalinv Nanotechnology Shanghai Co ltd
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Nalinv Nanotechnology Shanghai Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/10Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to the technical field of screening devices and discloses a plastic raw material screening device for optical film production, which comprises a box body, wherein the inner wall of the box body is fixedly connected with a vibrating motor, the upper surface of the box body is communicated with a hopper, the inner wall of the box body is rotationally connected with a fixing frame, the inner wall of the fixing frame is fixedly connected with a baffle plate, the upper part and the lower part of the baffle plate are respectively provided with a filter screen plate, the filter screen plates are fixedly connected with the fixing frame, the side walls of the box body are communicated with a double-layer discharging box, the side walls of the two sides of the double-layer discharging box are respectively provided with a first discharging hole and a second discharging hole, and one side wall of the fixing frame is fixedly connected with a rotating shaft. According to the invention, the fixing frame, the partition plate, the filter screen plate and the like are arranged to be matched for use, so that the filter screen plate above can be directly turned over after being blocked, and the filter screen plate below can be turned over, thus being more convenient and faster than the replacement of the filter screen plate and saving time.

Description

Plastic raw material screening device for optical film production
Technical Field
The invention relates to the technical field of screening devices, in particular to a plastic raw material screening device for optical film production.
Background
When the optical film is produced, the quality requirement on raw materials is high, plastic raw material particles for producing the optical film are usually required to be screened to control the size of the particles, the size of the particles has an important influence on the performance and quality of a final product in the plastic processing and forming process, the uniformity and consistency of the plastic particles can be controlled through screening, and the stability and forming quality in the processing process are ensured.
The degradable plastic cup raw material screening device disclosed by the authority bulletin No. CN217802678U comprises a screening box, wherein the top of the screening box is provided with a feed inlet, the bottom of the screening box is provided with a discharge outlet, the inner wall of the screening box is fixedly connected with a bearing ring, and the top of the bearing ring is provided with a screen assembly; a picking and placing groove is formed in a position, corresponding to the screen assembly, of one side of the screening box, a plugging assembly is arranged in the picking and placing groove, the plugging assembly comprises a plugging block, one side of the plugging block is spliced with the picking and placing groove, and a push-pull plate is symmetrically and fixedly connected to the other side of the plugging block; the two sides of the plugging block are provided with through grooves which are communicated with each other, the push-pull plate is provided with a sleeving hole, a screw rod penetrates through the sleeving hole, one end of the screw rod is fixedly connected with the outer side wall of the screening box, the other end of the screw rod is externally sleeved with a nut, and a rotating handle is fixedly connected on the nut; above-mentioned device, after the screen cloth is blockked up, be convenient for change the screen cloth, behind the screen cloth jam, the screen cloth that changes that can be quick is new, and then makes the device can be quick continue to use, like this, can avoid the problem of wastage time at screening plant clearance screen cloth, but quick replacement screening net again, also need certain time when changing, consequently, the device still can improve.
For this reason, we propose a plastic raw material screening device for optical film production to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the plastic raw material screening device for producing the optical film, which can directly turn over the lower filter screen plate to turn over the lower filter screen plate, so that the filter screen plate is more convenient and faster than the filter screen plate is replaced, and the time is saved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a plastics raw materials sieving mechanism is used in optical film production, includes the box, the inner wall fixedly connected with vibrating motor of box, the upper surface intercommunication of box has the hopper, the inner wall of box rotates and is connected with the mount, and the inner wall fixedly connected with baffle of mount, and the top and the below of baffle all are provided with the filter screen board, and filter screen board and mount fixed connection, the lateral wall intercommunication of box has double-deck row workbin, and the both sides lateral wall of double-deck row workbin has seted up first row material hole and second row material hole respectively, one side lateral wall fixedly connected with pivot of mount, and the one end of pivot runs through the box and extends to the outside setting of box, and be located the outside pivot one side of box and be provided with actuating mechanism, and one side of actuating mechanism is provided with spacing subassembly, the inner wall fixedly connected with unloading control assembly of hopper.
Preferably, the driving mechanism comprises a driving motor, the driving end of the driving motor is fixedly connected with a rotating rod, a gear lack is arranged on the outer wall of the rotating rod in a fixed sleeve mode, a gear is fixedly connected with one end of a rotating shaft outside the box body, a protective cover is fixedly sleeved on the outer wall of the box body, and the driving motor is fixedly connected with the protective cover.
Preferably, the spacing subassembly is including setting up the spacing inserted bar in box one side, two spacing jacks have been seted up to one side lateral wall of mount, the one end fixedly connected with fixed cover of spacing inserted bar, and be provided with the cam in the fixed cover, the fixed cover of cam is established at the bull stick outer wall, the outer wall cover of spacing inserted bar is equipped with first spring, and the one end and the box fixed connection of first spring, the other end and the fixed cover fixed connection of first spring, the other end of spacing inserted bar runs through the box and extends to the inside setting of spacing jack.
Preferably, the unloading control assembly is including fixing the bottom plate at the hopper inner wall, and the inside of bottom plate has seted up smooth chamber, the inner wall sliding connection in smooth chamber has the baffle, and one side of baffle runs through the hopper setting, bar hole has all been seted up to the upper surface of bottom plate and baffle.
Preferably, the fixed cover of outer wall of bull stick is equipped with the dysmorphism wheel, one side lateral wall fixedly connected with depression bar of baffle, and the one end of depression bar runs through the safety cover and extends to dysmorphism wheel one side setting, and the depression bar outer wall cover that is located inside the safety cover is equipped with second spring and solid fixed ring, gu fixed ring and depression bar fixed connection.
Preferably, a groove is formed in one end of the compression bar, a ball is arranged in the groove, and one side wall of the ball abuts against the special-shaped wheel.
Preferably, the inner wall of the box body is fixedly connected with an inclined plate, and a third discharging hole is formed in the side wall of the box body above the inclined plate.
Preferably, the cleaning hole is formed in the outer wall of the box body, and the baffle door is connected to the inner wall of the cleaning hole in a hinge mode.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the fixing frame, the partition plate, the filter screen plate and the like are arranged to be matched for use, so that the filter screen plate above can be directly turned over after being blocked, and the filter screen plate below can be turned over, thus being more convenient and faster than the replacement of the filter screen plate and saving time.
2. According to the invention, through the arrangement of the driving motor, the rotating rod and the gears and the like for matching use, the filter screen plate can be turned over through the driving motor without manual operation, the driving motor can be started when in use, the started driving motor drives the rotating rod to rotate, the rotating rod drives the gear lack, the gear lack rotates to a position meshed with the gears, at the moment, the rotating gear lack rotates the fixing frame through the gears, so that the fixing frame is reversed, the reversed fixing frame drives the filter screen plate to turn over, and the upper filter screen plate is rotated to the lower part and the lower filter screen plate to the upper part.
3. According to the invention, the limiting inserting rod is arranged to be used in cooperation with the cam and the like, after the upper filter screen plate rotates to the lower side and the lower filter screen plate rotates to the upper side, one end of the limiting inserting rod can be inserted into the limiting jack to limit the fixing frame, so that the position of the fixing frame after overturning can be ensured, the position level of the filter screen plate is further ensured, the problem that when the filter screen plate is inclined to filter, raw materials are accumulated on one side of the filter screen plate to influence the filtering of the filter screen plate is avoided, and when the filter screen plate is overturned, the limiting of the limiting inserting rod is not required to be manually released, and the limiting can be automatically released, thereby being convenient and quick.
4. According to the invention, the bottom plate baffle is matched with the strip-shaped holes, so that the bottom plate can block the raw materials in the hopper from being discharged, the raw materials in the hopper can be dispersed and discharged, and then the raw materials can be dispersed and fall on the filter screen plate, and further the filter screen plate is convenient to filter; through setting up cooperation use such as shaped wheel and depression bar, can be when the upset filter screen board, the unloading of hopper can be closed by oneself, and then further make things convenient for the use of the device.
Drawings
FIG. 1 is a schematic three-dimensional structure of a plastic raw material screening device for producing an optical film according to the present invention;
FIG. 2 is a schematic diagram of the whole structure of a plastic raw material screening device for producing an optical film according to the present invention;
FIG. 3 is a schematic diagram of a front cross-sectional structure of a plastic material screening device for producing an optical film according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 6 is a schematic side view of a plastic material screening apparatus for producing an optical film according to the present invention;
FIG. 7 is a schematic side sectional view of a plastic material screening apparatus for producing an optical film according to the present invention;
fig. 8 is a schematic diagram of a partial structure of a plastic raw material screening device for producing an optical film according to the present invention.
Reference numerals: 1. a case; 2. a vibration motor; 3. a hopper; 4. a fixing frame; 5. a partition plate; 6. a filter screen plate; 7. a double-layer discharging box; 8. a first discharge hole; 9. a second discharge hole; 10. a rotating shaft; 11. a driving motor; 12. a rotating rod; 13. a gear-missing; 14. a gear; 15. a protective cover; 16. a limit inserted link; 17. limiting jack; 18. a fixed sleeve; 19. a cam; 20. a first spring; 21. a bottom plate; 22. a baffle; 23. a bar-shaped hole; 24. profile wheel; 25. a compression bar; 26. a second spring; 27. a fixing ring; 28. a ball; 29. a sloping plate; 30. a third discharge hole; 31. a shutter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a plastic raw material screening device for producing an optical film comprises a box body 1, wherein the inner wall of the box body 1 is fixedly connected with a vibrating motor 2, the upper surface of the box body 1 is communicated with a hopper 3, the inner wall of the box body 1 is rotationally connected with a fixing frame 4, the inner wall of the fixing frame 4 is fixedly connected with a partition plate 5, the upper and lower parts of the partition plate 5 are respectively provided with a filter screen plate 6, the filter screen plates 6 are fixedly connected with the fixing frame 4, the side wall of the box body 1 is communicated with a double-layer discharging box 7, the side walls of the two sides of the double-layer discharging box 7 are respectively provided with a first discharging hole 8 and a second discharging hole 9, one side wall of the fixing frame 4 is fixedly connected with a rotating shaft 10, one end of the rotating shaft 10 penetrates through the box body 1 and extends to the outside of the box body 1, one side of the rotating shaft 10 positioned outside the box body 1 is provided with a driving mechanism, one side of the driving mechanism is provided with a limiting component, and the inner wall of the hopper 3 is fixedly connected with a discharging control component.
The structure can be seen from the above: through setting up mount 4, baffle 5 and cooperation such as filter screen plate 6 and use, can be directly overturn behind the filter screen plate 6 jam of top, can overturn the filter screen plate 6 top of below, like this more convenient and fast than changing filter screen plate 6, more save time.
Further, the driving mechanism comprises a driving motor 11, the driving end of the driving motor 11 is fixedly connected with a rotating rod 12, a gear lack 13 is fixedly sleeved on the outer wall of the rotating rod 12, one end of a rotating shaft 10 positioned outside the box body 1 is fixedly connected with a gear 14, a protective cover 15 is fixedly sleeved on the outer wall of the box body 1, and the driving motor 11 is fixedly connected with the protective cover 15; through setting up driving motor 11, bull stick 12 and cooperation such as gear 14 use, can overturn through driving motor 11, need not manual operation, with for convenience, in the time of using, can start driving motor 11, the rotation of the driving motor 11 drive bull stick 12 of start, pivoted bull stick 12 drives and lacks gear 13, lack gear 13 rotates the position with gear 14 meshing, pivoted lacks gear 13 passes through gear 14 rotation mount 4 at this moment, make mount 4 reverse, the mount 4 of reverse drives filter screen plate 6 upset, make the filter screen plate 6 of top turn to below, the filter screen plate 6 of below turns to the top.
Further, the limiting assembly comprises a limiting inserted rod 16 arranged on one side of the box body 1, two limiting insertion holes 17 are formed in the side wall of one side of the fixing frame 4, one end of the limiting inserted rod 16 is fixedly connected with a fixing sleeve 18, a cam 19 is arranged in the fixing sleeve 18, the fixing sleeve of the cam 19 is arranged on the outer wall of the rotating rod 12, a first spring 20 is sleeved on the outer wall of the limiting inserted rod 16, one end of the first spring 20 is fixedly connected with the box body 1, the other end of the first spring 20 is fixedly connected with the fixing sleeve 18, and the other end of the limiting inserted rod 16 penetrates through the box body 1 and extends to the inside of the limiting insertion holes 17; through setting up spacing inserted bar 16 and cam 19 etc. and cooperating and using, the filter screen plate 6 of upper place turns to below, the filter screen plate 6 of below turns to the top, one end of spacing inserted bar 16 can insert spacing jack 17 in, carry on spacing to mount 4, in this way, can guarantee the position after mount 4 overturns, and then guarantee the position level of filter screen plate 6, so as to avoid the filter screen plate 6 to incline and make the filter screen plate 6 when filtering, the problem that the raw materials all pile up on one side of filter screen plate 6 and influence the filter screen plate 6 and filter takes place, and when overturning, need not the manual spacing of removing spacing inserted bar 16, spacing can release by oneself, convenient and fast; after the cam 19 rotates for a certain angle, the rotating cam 19 pushes against the fixed sleeve 18, so that the fixed sleeve 18 moves, the moving fixed sleeve 18 drives the limiting inserting rod 16 to move, the limiting inserting rod 16 is separated from the limiting inserting hole 17, and the limiting inserting rod 16 releases the limit of the fixed frame 4.
Further, the blanking control assembly comprises a bottom plate 21 fixed on the inner wall of the hopper 3, a sliding cavity is formed in the bottom plate 21, the inner wall of the sliding cavity is connected with a baffle 22 in a sliding mode, one side of the baffle 22 penetrates through the hopper 3, and strip-shaped holes 23 are formed in the upper surfaces of the bottom plate 21 and the baffle 22; through setting up bottom plate 21 baffle 22 and bar hole 23 cooperation and use, the unloading of raw materials in the hopper 3 can be stopped to the bottom plate 21 for the raw materials in the hopper 3 can disperse the unloading, and then makes the raw materials can disperse fall on the filter screen plate 6, and then the filtration of the filter screen plate 6 of being convenient for.
Further, the outer wall of the rotary rod 12 is fixedly sleeved with a special-shaped wheel 24, a side wall of one side of the baffle 22 is fixedly connected with a pressure rod 25, one end of the pressure rod 25 penetrates through the protective cover 15 and extends to one side of the special-shaped wheel 24, the outer wall of the pressure rod 25 positioned in the protective cover 15 is sleeved with a second spring 26 and a fixed ring 27, and the fixed ring 27 is fixedly connected with the pressure rod 25; by arranging the special-shaped wheels 24 to be matched with the compression bars 25 and the like, the blanking of the hopper 3 can be automatically closed when the filter screen plate 6 is turned over, so that the device is further convenient to use; when the filter screen plate 6 above is blocked, the driving motor 11 can be started, the started driving motor 11 drives the rotating rod 12 to rotate, the rotating rod 12 drives the gear-lack wheel 13, the cam 19 and the special-shaped wheel 24 to rotate, after the special-shaped wheel 24 rotates for a certain angle, the pressing rod 25 loses blocking, at the moment, the second spring 26 is convenient for pushing the pressing rod 25 to move with the baffle plate 22, and the moving baffle plate 22 enables the strip-shaped holes 23 on the baffle plate 22 to be staggered with the strip-shaped holes 23 on the bottom plate 21, so that the hopper 3 is closed.
Further, a groove is formed at one end of the compression bar 25, a ball 28 is arranged in the groove, and one side wall of the ball 28 abuts against the special-shaped wheel 24; by providing the balls 28, the friction between one end of the pressing rod 25 and the profile wheel 24 can be reduced to ensure that one end of the pressing rod 25 and the profile wheel 24.
Further, the inner wall of the box body 1 is fixedly connected with a sloping plate 29, and a third discharge hole 30 is formed in the side wall of the box body 1 above the sloping plate 29; by providing the sloping plate 29, it is possible to collect the material falling from the lower filter screen plate 6.
Further, a cleaning hole is formed in the outer wall of the box body 1, and a baffle door 31 is connected to the inner wall of the cleaning hole in a hinge mode; by providing the shutter 31, after the filter screen 6 is turned over, the shutter 31 can be opened to clean the material stuck in the filter screen 6 below.
In the invention, when the filter screen is used, materials fall into the box body 1 through the hopper 3, the upper filter screen plate 6 can filter the materials falling into the box body 1, and the filtered materials pass through the double-layer discharging box 7, the first discharging hole 8 and the second discharging hole 9 to be discharged, so that the filtering of the materials is completed;
when the upper filter screen plate 6 is blocked, the driving motor 11 can be started, the started driving motor 11 drives the rotating rod 12 to rotate, the rotating rod 12 drives the gear-lack wheel 13, the cam 19 and the special-shaped wheel 24 to rotate, after the special-shaped wheel 24 rotates for a certain angle, the pressing rod 25 loses blocking, at the moment, the second spring 26 is convenient for pushing the pressing rod 25 to move with the baffle plate 22, and the moving baffle plate 22 staggers the strip-shaped holes 23 on the baffle plate 22 and the strip-shaped holes 23 on the bottom plate 21, so that the hopper 3 is closed;
after the cam 19 rotates for a certain angle, the rotating cam 19 pushes the fixed sleeve 18, so that the fixed sleeve 18 moves, the moving fixed sleeve 18 drives the limiting inserting rod 16 to move, the limiting inserting rod 16 is separated from the limiting inserting hole 17, and the limiting inserting rod 16 releases the limit of the fixed frame 4;
after the limit of the fixing frame 4 is released by the limit inserting rod 16, the gear-lack 13 rotates to a position meshed with the gear 14, at the moment, the rotating gear-lack 13 rotates the fixing frame 4 through the gear 14, so that the fixing frame 4 is reversed, the reversed fixing frame 4 drives the filter screen plate 6 to turn over, and the upper filter screen plate 6 rotates to the lower part and the lower filter screen plate 6 rotates to the upper part;
before the filter screen plate 6 is turned in place, the cam 19 rotates to a position where the cam does not prop against the fixing sleeve 18, at this time, the first spring 20 pulls the limiting inserting rod 16, after the filter screen plate 6 above rotates to the lower side and the filter screen plate 6 below rotates to the upper side, one end of the limiting inserting rod 16 is inserted into the limiting inserting hole 17 to limit the fixing frame 4, so that the position of the fixing frame 4 after being turned over can be guaranteed, the position level of the filter screen plate 6 is guaranteed, and the filter screen plate 6 is prevented from being inclined, so that the filter screen plate 6 is prevented from being inclined, and the raw materials are accumulated on one side of the filter screen plate 6 to influence the filtering of the filter screen plate 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a plastics raw materials sieving mechanism for optical film production, includes box (1), the inner wall fixedly connected with vibrating motor (2) of box (1), the upper surface intercommunication of box (1) has hopper (3), a serial communication port, the inner wall rotation of box (1) is connected with mount (4), and the inner wall fixedly connected with baffle (5) of mount (4), the top and the below of baffle (5) all are provided with filter screen plate (6), and filter screen plate (6) and mount (4) fixed connection, the lateral wall intercommunication of box (1) has double-deck bin (7), and first bin outlet (8) and second bin outlet (9) have been seted up respectively to the lateral wall of the both sides of double-deck bin outlet (7), the lateral wall fixedly connected with pivot (10) of one side of mount (4), and the one end of pivot (10) runs through box (1) and extends to the outside setting of box (1), and one side of pivot (10) that is located the outside of box (1) is provided with actuating mechanism, and one side of actuating mechanism is provided with hopper (3), the fixed connection has spacing subassembly down; the driving mechanism comprises a driving motor (11), a rotating rod (12) is fixedly connected to the driving end of the driving motor (11), a gear-missing (13) is fixedly sleeved on the outer wall of the rotating rod (12), a gear (14) is fixedly connected to one end of a rotating shaft (10) positioned outside the box body (1), a protective cover (15) is fixedly sleeved on the outer wall of the box body (1), and the driving motor (11) is fixedly connected with the protective cover (15); the limiting assembly comprises a limiting inserted rod (16) arranged on one side of the box body (1), two limiting insertion holes (17) are formed in the side wall of one side of the fixing frame (4), one end of the limiting inserted rod (16) is fixedly connected with a fixing sleeve (18), a cam (19) is arranged in the fixing sleeve (18), the fixing sleeve of the cam (19) is arranged on the outer wall of the rotating rod (12), a first spring (20) is sleeved on the outer wall of the limiting inserted rod (16), one end of the first spring (20) is fixedly connected with the box body (1), the other end of the first spring (20) is fixedly connected with the fixing sleeve (18), and the other end of the limiting inserted rod (16) penetrates through the box body (1) and extends to the inside of the limiting insertion holes (17);
the blanking control assembly comprises a bottom plate (21) fixed on the inner wall of a hopper (3), a sliding cavity is formed in the bottom plate (21), a baffle (22) is connected to the inner wall of the sliding cavity in a sliding mode, one side of the baffle (22) is penetrated through the hopper (3), strip-shaped holes (23) are formed in the upper surfaces of the bottom plate (21) and the baffle (22), a special-shaped wheel (24) is fixedly sleeved on the outer wall of the rotating rod (12), a pressure rod (25) is fixedly connected to the side wall of one side of the baffle (22), one end of the pressure rod (25) penetrates through the protective cover (15) and extends to one side of the special-shaped wheel (24), a second spring (26) and a fixed ring (27) are sleeved on the outer wall of the pressure rod (25) inside the protective cover (15), and the fixed ring (27) is fixedly connected with the pressure rod (25).
2. The plastic raw material screening device for producing an optical film according to claim 1, wherein a groove is formed at one end of the pressing rod (25), and a ball (28) is arranged in the groove, and one side wall of the ball (28) is abutted against the special-shaped wheel (24).
3. The plastic raw material screening device for optical film production according to claim 1, wherein an inclined plate (29) is fixedly connected to the inner wall of the box body (1), and a third discharge hole (30) is formed in the side wall of the box body (1) above the inclined plate (29).
4. The plastic raw material screening device for optical film production according to claim 1, wherein the outer wall of the box body (1) is provided with a cleaning hole, and the inner wall of the cleaning hole is connected with a shutter (31) in a hinge manner.
CN202410044211.9A 2024-01-12 2024-01-12 Plastic raw material screening device for optical film production Active CN117549457B (en)

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Application Number Priority Date Filing Date Title
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CN117549457B true CN117549457B (en) 2024-03-22

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CN217802678U (en) * 2022-05-26 2022-11-15 上海善九科技有限公司 Degradable plastic cup raw materials sieving mechanism
CN116510873A (en) * 2023-07-05 2023-08-01 南通博瑞特智能装备有限公司 Wet crushing and screening integrated equipment for treating construction waste
CN116985290A (en) * 2023-05-18 2023-11-03 昆山华阳新材料股份有限公司 Graphene material processing machine and processing method

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Publication number Priority date Publication date Assignee Title
CN109397573A (en) * 2018-12-24 2019-03-01 杭州大橙知科技有限公司 A kind of plastic grain screening plant
CN210501318U (en) * 2019-06-26 2020-05-12 南京诺达鑫业挤出装备有限公司 Hopper capable of screening materials
CN211709776U (en) * 2019-09-17 2020-10-20 李媛媛 Raw material screening device for injection molding
CN213081974U (en) * 2020-06-29 2021-04-30 广州亿从美塑料制品有限公司 Plastic granules screening plant
CN217802678U (en) * 2022-05-26 2022-11-15 上海善九科技有限公司 Degradable plastic cup raw materials sieving mechanism
CN116985290A (en) * 2023-05-18 2023-11-03 昆山华阳新材料股份有限公司 Graphene material processing machine and processing method
CN116510873A (en) * 2023-07-05 2023-08-01 南通博瑞特智能装备有限公司 Wet crushing and screening integrated equipment for treating construction waste

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