CN210758596U - Plastic particle screening machine - Google Patents
Plastic particle screening machine Download PDFInfo
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- CN210758596U CN210758596U CN201921769116.6U CN201921769116U CN210758596U CN 210758596 U CN210758596 U CN 210758596U CN 201921769116 U CN201921769116 U CN 201921769116U CN 210758596 U CN210758596 U CN 210758596U
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Abstract
The utility model relates to a plastic particle screening machine, including support frame and vibration frame, the vibration frame includes the base, connects the shale shaker on the base through damping spring and drives the vibrating motor that the shale shaker vibrated, and wherein the shale shaker includes first screen frame and second screen frame, the discharge end of first screen frame is located the top of the feed end of second screen frame, and the mesh diameter of first screen frame is less than the mesh diameter of second screen frame, and the below of second screen frame is equipped with the receipts workbin; the support frame is fixed with feeder hopper and first fan, the discharge gate of feeder hopper is located the feed end top of first screen frame, first fan is located one side that the second screen frame was kept away from to first screen frame, and first fan orientation the direction of delivery of the plastic pellet on the first screen frame can effectively reduce the temperature of plastic pellet to reduce the adhesion phenomenon between the plastic pellet, thereby reduce the rejection rate of plastic pellet.
Description
Technical Field
The utility model relates to a plastics production and processing technology field especially relates to a plastic granules sieve separator.
Background
Plastic particles are the common name for plastic granules, and are the raw material for storing, transporting and processing plastic in the form of semi-finished products.
The granulating process of the plastic granulator generally comprises the following steps: feeding by an extruder, extruding by a screw extruder, cooling and drawing by a cold water tank, pelletizing by a pelletizer and collecting finished products. When the pelleter cuts columnar plastic particles, the length of the columnar particles is mainly determined by the rotating speed of a pelleter knife and the wire drawing cooling condition, but the water temperature in a cold water tank can fluctuate along with the production, so the wire drawing cooling condition is unstable, and the length of the columnar particles is influenced. In the actual production process, when the machine is started or the production conditions fluctuate, the cut particles have different lengths, so that the plastic particles need to be screened to ensure the quality of products processed subsequently.
Chinese patent with grant publication number CN203140292U discloses a vibrating screen, which comprises an inlet and a screening space arranged below the inlet, wherein at least three screens are sequentially arranged in the screening space along the height direction, the screens divide the screening space into a plurality of screening areas, the vibrating screen comprises a plurality of outlets corresponding to different screening areas, the height direction of the vibrating screen is followed, from top to bottom, the aperture of the screens is gradually reduced. The material can sieve through at least three screen cloth after getting into the shale shaker through the entry, and even rectangular shape material can pass the screen cloth of the superiors, also can block through at least one screen cloth that is located between the screen cloth of the superiors and the screen cloth of the lower floor effectively to reduce the probability that rectangular matter falls on the screen cloth of lower floor, improved screening efficiency.
The prior art has the defects that the temperature of the plastic particles which are just prepared is high, so that when a large amount of plastic particles are intensively screened, the phenomenon of adhesion among the plastic particles is easily caused, and the rejection rate of the plastic particles is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a plastic granules sieve separator can effectively reduce plastic granules's temperature to reduce the adhesion phenomenon between the plastic granules, thereby reduce plastic granules's rejection rate.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a plastic particle screening machine comprises a supporting frame and a vibrating frame, wherein the vibrating frame comprises a base, a vibrating screen connected to the base through a damping spring and a vibrating motor driving the vibrating screen to vibrate, the vibrating screen comprises a first screen body and a second screen body, the discharge end of the first screen body is positioned above the feed end of the second screen body, the diameter of the screen mesh of the first screen body is smaller than that of the screen mesh of the second screen body, and a material receiving box is arranged below the second screen body; the support frame is fixed with feeder hopper and first fan, the discharge gate of feeder hopper is located the feed end top of first screen frame, first fan is located one side that the second screen frame was kept away from to first screen frame, and first fan orientation the direction of delivery of the plastic pellet on the first screen frame.
By adopting the technical scheme, plastic particles enter the vibrating screen through the discharge hole of the feed hopper and are sequentially subjected to vibrating screening through the first screen body and the second screen body, small plastic particles are screened off by the first screen body in the screening process, large plastic particles are screened off by the second screen body, and qualified plastic particles fall to the receiving box through the screen of the second screen body, so that the vibrating screening of the plastic particles is completed; in the period, the first fan blows the plastic particles from the feed hopper, so that the air convection can be accelerated, the heat on the plastic particles which are just prepared can be taken away, the temperature of the plastic particles can be reduced, the adhesion phenomenon among the plastic particles can be reduced, and the rejection rate of the plastic particles can be reduced; simultaneously, the orientation of the first fan is the conveying direction of the plastic particles, so that the movement of the plastic particles can be accelerated, and the screening efficiency is improved.
The utility model discloses further set up to: be equipped with on the first screen frame and be used for sealing the cover plate that first screen frame top opening part and level were placed, seted up the confession on the cover plate the through-hole of feeder hopper ejection of compact.
Adopt above-mentioned technical scheme, the feeder hopper passes through the through-hole and carries plastic granules to between cover plate and the first screen frame, and the cover plate plays and shelters from the effect, and plastic granules speed is too big and the outside circumstances of bounce-back spill when can avoiding plastic granules to fall to first screen frame from the feeder hopper to avoid plastic granules's waste, practice thrift manufacturing cost.
The utility model discloses further set up to: a corrugated hose is fixed at a discharge port of the feed hopper and inserted into the through hole.
Adopt above-mentioned technical scheme, utilize corrugated hose as the connecting channel between feeder hopper and the shale shaker, corrugated hose has certain toughness and elasticity, causes the damage of immovable feeder hopper when can avoiding the shale shaker vibration.
The utility model discloses further set up to: one side of the cover plate, which is far away from the first fan, is hinged with a filter plate, the length of the filter plate is equal to the distance between two opposite inner side walls of the first screen body, a containing cavity for filling air filter cotton is arranged in the filter plate, the side wall of the filter plate is right opposite to the direction of the first fan, and a vent hole communicated to the containing cavity is formed in the side wall of the filter plate.
Adopt above-mentioned technical scheme, the filter plays to block and leads to the tiny dust of plastic granules to escape from the passageway between cover plate and the first screen frame because of the blowing of first fan to reduce outside dust pollution, thereby because the filter only plays the effect of filtering the dust, the air still can circulate the convection current, thereby the heat of plastic granules can be dispelled.
The utility model discloses further set up to: the junction between two opposite inner side walls of the first screen body and the upper end face of the first screen body is respectively sunken to form a vertical sliding chute for the cover plate to slide up and down, a horizontal sliding chute for the cover plate to slide horizontally is arranged on the side wall of the vertical sliding chute along the direction horizontally facing the feeding end of the first screen body, and the chute bottom of the horizontal sliding chute is flush with the chute bottom of the vertical sliding chute; a cylindrical round block is fixed on the side wall of the filter plate in a protruding mode, arc-shaped grooves for enabling the round block to be connected in a sliding mode along the rotating direction of the filter plate relative to the cover plate are formed in two opposite inner side walls of the first screen body respectively, one side of each arc-shaped groove is communicated with the upper end face of the first screen body, and a rubber coating covers the portion, attached to the arc-shaped grooves, of the round block; when the cover plate slides to the end point of the horizontal sliding groove, the round block just slides to the inlet of the arc-shaped groove along with the cover plate.
By adopting the technical scheme, the cover plate and the filter plate are in a horizontal state, then the cover plate is moved downwards to enter from an opening above the vertical sliding groove and slide to the bottom along the vertical sliding groove, then the cover plate is horizontally slid to the end point of the horizontal sliding groove along the horizontal sliding groove, at the moment, the filter plate is in a horizontal state and then is rotated downwards, and in the rotating process, the round block slides into the arc-shaped groove from the opening of the arc-shaped groove, so that the filter plate is fixed; the cover plate can be detachably connected with the first screen body, and the cover plate can be prevented from being separated from the first screen body due to vibration by embedding the cover plate and the horizontal sliding chute; the rubber coating has a damping effect, relative movement of the cover plate can be limited under the condition that the filter plate is limited to be separated from the first screen body, the effects of the cover plate and the filter plate are superposed, and the connection stability between the cover plate and the first screen body and the connection stability between the filter plate and the first screen body can be improved; meanwhile, when the cover plate slides to the end point of the horizontal sliding groove, the round block can slide into the arc-shaped groove, and the correction effect on the sliding position error of the cover plate can be achieved.
The utility model discloses further set up to: the side wall of the filter plate facing the arc-shaped groove is provided with a through groove for the air filter cotton to enter and exit the containing cavity.
Adopt above-mentioned technical scheme, lead to the groove and can be convenient for change the filtration cotton, when the filter passes through the arc wall and is fixed with first screen frame, the lateral wall of first screen frame has closed logical groove simultaneously to ensure that the filtration cotton can not break away from the filter because of the vibration.
The utility model discloses further set up to: and a second fan which is positioned right above the second screen body is fixed on the supporting frame.
By adopting the technical scheme, the air convection is further accelerated, and the temperature of plastic particles is reduced more quickly; meanwhile, the second fan faces downwards vertically, so that qualified plastic particles can fall from the screen of the second screen body.
The utility model discloses further set up to: a powder recycling box is arranged under the first screen body, and a large-particle recycling box is arranged at the discharge end of the second screen body.
By adopting the technical scheme, the recovery treatment of unqualified plastic particles can be realized.
To sum up, the utility model discloses following beneficial effect has:
1. the first fan and the second fan are arranged to blow the plastic particles from the feed hopper, so that air convection can be accelerated, heat on the plastic particles which are just prepared can be taken away, the temperature of the plastic particles can be reduced, the adhesion phenomenon among the plastic particles is reduced, and the rejection rate of the plastic particles is reduced; meanwhile, the first fan faces the conveying direction of the plastic particles, so that the movement of the plastic particles can be accelerated, and the screening efficiency is improved;
2. through setting up cover plate and filter, can avoid plastic pellet speed too big and the outside condition of bounce-back splash when the plastic pellet falls to first screen frame from the feeder hopper to avoid plastic pellet's waste, the filter can block simultaneously and lead to plastic pellet's tiny dust to escape from the passageway between cover plate and the first screen frame because of the blowing of first fan.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is an exploded view of the embodiment for showing the sliding relationship between the cover plate and the first screen body.
In the figure, 1, a base; 2. vibrating screen; 3. a cover plate; 4. a filter plate; 5. a vibration motor; 10. a support frame; 11. a feed hopper; 12. a first fan; 13. a corrugated hose; 20. a vibration frame; 21. a first screen body; 22. a second screen body; 23. a powder recovery box; 24. a material receiving box; 25. a large particle recovery box; 26. a second fan; 31. a through hole; 32. a vertical chute; 33. a horizontal chute; 34. an arc-shaped slot; 41. a vent hole; 42. air filter cotton; 43. a through groove; 44. a cavity; 45. and (7) round blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A plastic particle screening machine is shown in figure 1 and comprises a support frame 10 and a vibration frame 20, wherein a feed hopper 11 and a first fan 12 are fixed on the support frame 10; the vibrating frame 20 comprises a base 1, a vibrating screen 2 and a vibrating motor 5 for driving the vibrating screen 2 to vibrate, and the vibrating screen 2 is connected with the upper part of the base 1 through a damping spring.
As shown in fig. 1, the vibrating screen 2 comprises a first screen body 21 and a second screen body 22, the feeding end of the first screen body 21 is positioned right below the discharging port of the feeding hopper 11, the discharging end of the first screen body 21 is positioned above the feeding end of the second screen body 22, and the screen mesh diameter of the first screen body 21 is smaller than that of the second screen body 22; a powder recovery box 23 is arranged right below the first screen body 21, a material receiving box 24 is arranged below the second screen body 22, and a large particle recovery box 25 is arranged at the discharge end of the second screen body 22.
As shown in fig. 1, the first fan 12 is located on a side of the first screen 21 away from the second screen 22, and the first fan 12 faces a conveying direction of the plastic granules on the first screen 21, so that the plastic granules from the feeding hopper 11 can be blown to take away heat on the plastic granules just prepared, and the temperature of the plastic granules is reduced, thereby reducing adhesion phenomenon between the plastic granules; in order to further increase the air convection, a second fan 26 is fixed on the supporting frame 10 and is positioned right above the second screen 22.
As shown in fig. 1, a cover plate 3 for closing an opening above the first screen body 21 is arranged on the first screen body 21, a through hole 31 is formed in the cover plate 3, a corrugated hose 13 is fixed at a discharge port of the feed hopper 11, and the corrugated hose 13 is inserted into the through hole 31; the cover plate 3 plays a role of shielding, and can prevent plastic particles from bouncing and splashing outside due to the fact that the plastic particles are too high in speed when falling from the feed hopper 11 onto the first screen body 21.
Meanwhile, because the first fan 12 blows, the fine dust which causes plastic particles escapes from the channel between the cover plate 3 and the first screen body 21, thereby causing external dust pollution, and therefore, the following setting is made, as shown in fig. 1 and fig. 2, one side of the cover plate 3, which is far away from the first fan 12, is hinged with the filter plate 4, the length of the filter plate 4 is equal to the distance between the two opposite inner side walls of the first screen body 21, a containing cavity 44 which is used for filling air filter cotton is arranged in the filter plate 4, the side wall of the filter plate 4 faces towards the first fan 12, and the side wall of the filter plate 4 is provided with a vent hole 41 which is communicated to the containing cavity.
As shown in fig. 2, a vertical chute 32 is formed at a junction between each of two opposite inner side walls of the first screen body 21 and the upper end surface of the first screen body 21 in a recessed manner, a side wall of the cover plate 3 is connected to the vertical chute 32 in a vertically sliding manner, a horizontal chute 33 is formed in the side wall of the vertical chute 32 in a direction horizontally facing the feeding end of the first screen body 21, and the bottom of the horizontal chute 33 is flush with the bottom of the vertical chute 32; firstly, the cover plate 3 and the filter plate 4 are in a horizontal state, then the cover plate 3 is moved downwards to enter from an upper opening of the vertical chute 32 and slide to the bottom along the vertical chute 32, and then the cover plate 3 horizontally slides along the horizontal chute 33 to the end point of the horizontal chute 33, so that the connection between the cover plate 3 and the first screen body 21 is completed.
As shown in fig. 2, a cylindrical round block 45 is fixed on the side wall of the filter plate 4 in a protruding manner, an arc-shaped groove 34 for slidably connecting the round block 45 along the rotation direction of the filter plate 4 relative to the cover plate 3 is respectively formed on two opposite inner side walls of the first screen body 21, one side of the arc-shaped groove 34 is communicated with the upper end face of the first screen body 21, and a rubber coating is covered on the part where the round block 45 is attached to the arc-shaped groove 34; when the cover plate 3 slides to the end point of the horizontal sliding chute 33, the round block 45 just slides to the inlet of the arc-shaped chute 34 along with the cover plate 3. At this moment, the filter plate 4 is in a horizontal state, then the filter plate 4 is rotated downwards, and in the rotating process of the filter plate 4, the round block 45 slides into the arc-shaped groove 34 from the opening of the arc-shaped groove 34, so that the filter plate 4 is fixed.
As shown in fig. 2, the side wall of the arc-shaped groove 34 of the filter plate 4 is provided with a through groove 43, the air filter cotton 42 can be replaced conveniently through the through groove 43, and meanwhile, when the filter plate 4 is fixed with the first screen body 21 through the arc-shaped groove 34, the side wall of the first screen body 21 seals the through groove 43, so that the air filter cotton 42 is ensured not to be separated from the filter plate 4 due to vibration.
Working principle (refer to fig. 1);
plastic particles enter the vibrating screen 2 through a discharge port of the feed hopper 11 and are sequentially subjected to vibrating screening through the first screen body 21 and the second screen body 22, in the screening process, small plastic particles are screened off by the first screen body 21, large plastic particles are screened off by the second screen body 22, and qualified plastic particles fall to the receiving box 24 through a screen of the second screen body 22, so that the vibrating screening of the plastic particles is completed; in the period, the first fan 12 blows the plastic particles from the feed hopper 11, so that air convection can be accelerated, heat on the plastic particles which are just prepared can be taken away, the temperature of the plastic particles can be reduced, the adhesion phenomenon among the plastic particles can be reduced, and the rejection rate of the plastic particles can be reduced; meanwhile, the orientation of the first fan 12 is the conveying direction of the plastic particles, so that the movement of the plastic particles can be accelerated, and the screening efficiency is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.
Claims (8)
1. The utility model provides a plastic granules sieve separator, includes support frame (10) and vibration frame (20), characterized by: the vibrating frame (20) comprises a base (1), a vibrating screen (2) connected onto the base (1) through a damping spring and a vibrating motor (5) driving the vibrating screen (2) to vibrate, wherein the vibrating screen (2) comprises a first screen body (21) and a second screen body (22), the discharge end of the first screen body (21) is positioned above the feed end of the second screen body (22), the diameter of the screen mesh of the first screen body (21) is smaller than that of the screen mesh of the second screen body (22), and a material receiving box (24) is arranged below the second screen body (22); support frame (10) are fixed with feeder hopper (11) and first fan (12), the discharge gate of feeder hopper (11) is located the feed end top of first screen frame (21), one side of second screen frame (22) is kept away from in first screen frame (21) first fan (12), and first fan (12) orientation the direction of delivery of the plastic pellet on first screen frame (21).
2. The plastic particle screening machine of claim 1, wherein: be equipped with on first screen frame (21) and be used for sealing cover plate (3) that first screen frame (21) top opening part and level were placed, set up the confession on cover plate (3) through-hole (31) of feeder hopper (11) ejection of compact.
3. The plastic particle screening machine of claim 2, wherein: a corrugated hose (13) is fixed at a discharge hole of the feed hopper (11), and the corrugated hose (13) is inserted into the through hole (31).
4. The plastic particle screening machine of claim 2, wherein: one side of the cover plate (3) far away from the first fan (12) is hinged with a filter plate (4), the length of the filter plate (4) is equal to the distance between two opposite inner side walls of the first screen body (21), a containing cavity (44) for filling air filter cotton is arranged in the filter plate (4), the side wall of the filter plate (4) is right opposite to the orientation of the first fan (12), and a ventilation hole (41) communicated to the containing cavity (44) is formed in the side wall of the filter plate (4).
5. The plastic particle screening machine of claim 4, wherein: a vertical sliding chute (32) for the cover plate (3) to slide up and down is formed at the junction between the two opposite inner side walls of the first screen body (21) and the upper end face of the first screen body (21) in a recessed manner, a horizontal sliding chute (33) for the cover plate (3) to slide horizontally is formed in the side wall of the vertical sliding chute (32) along the direction horizontally towards the feeding end of the first screen body (21), and the chute bottom of the horizontal sliding chute (33) is flush with the chute bottom of the vertical sliding chute (32); a cylindrical round block (45) is fixed on the side wall of the filter plate (4) in a protruding mode, arc-shaped grooves (34) for enabling the round block (45) to be connected in a sliding mode along the rotating direction of the filter plate (4) relative to the cover plate (3) are formed in two opposite inner side walls of the first screen body (21) respectively, one side of each arc-shaped groove (34) is communicated with the upper end face of the first screen body (21), and rubber coatings cover the portions, attached to the arc-shaped grooves (34), of the round block (45); when the cover plate (3) slides to the end point of the horizontal sliding groove (33), the round block (45) just slides to the inlet of the arc-shaped groove (34) along with the cover plate (3).
6. The plastic particle screening machine of claim 5, wherein: the side wall of the filter plate (4) facing the arc-shaped groove (34) is provided with a through groove (43) for the air filter cotton (42) to enter and exit the containing cavity (44).
7. The plastic particle screening machine of claim 1, wherein: and a second fan (26) positioned right above the second screen body (22) is fixed on the supporting frame (10).
8. The plastic particle screening machine of claim 1, wherein: a powder recovery box (23) is arranged under the first screen body (21), and a large particle recovery box (25) is arranged at the discharge end of the second screen body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769116.6U CN210758596U (en) | 2019-10-21 | 2019-10-21 | Plastic particle screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769116.6U CN210758596U (en) | 2019-10-21 | 2019-10-21 | Plastic particle screening machine |
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| Publication Number | Publication Date |
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| CN210758596U true CN210758596U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921769116.6U Active CN210758596U (en) | 2019-10-21 | 2019-10-21 | Plastic particle screening machine |
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| CN (1) | CN210758596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123626A (en) * | 2020-08-04 | 2020-12-25 | 南通瑞诚高分子材料有限公司 | Plastic particle diameter-variable self-screening method |
-
2019
- 2019-10-21 CN CN201921769116.6U patent/CN210758596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123626A (en) * | 2020-08-04 | 2020-12-25 | 南通瑞诚高分子材料有限公司 | Plastic particle diameter-variable self-screening method |
| CN112123626B (en) * | 2020-08-04 | 2022-04-01 | 上海金浦塑料包装材料有限公司 | Plastic particle diameter-variable self-screening method |
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