CN216225324U

CN216225324U - Screening device for producing modified PP (polypropylene) particles

Info

Publication number: CN216225324U
Application number: CN202122797848.XU
Authority: CN
Inventors: 王凯; 巴才军; 巴才文; 刘前军; 刘玉官
Original assignee: Hubei Jiankun High Molecular New Material Co ltd
Current assignee: Hubei Jiankun High Molecular New Material Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a screening device for producing modified PP (polypropylene) particles, which belongs to the technical field of PP particle production and comprises a box body, wherein a feed hopper is fixedly arranged at the top end of the box body, supporting legs are fixedly arranged at four corners of the bottom end of the box body, a plurality of first guide grooves and second guide grooves which are distributed in a staggered manner are fixedly arranged in the box body in an inclined manner from top to bottom in sequence, and a third guide groove is fixedly arranged at the bottom end in the box body in an inclined manner. According to the utility model, the plurality of stirring rods and the plurality of carding teeth which are distributed in a staggered manner are arranged in the feed hopper, when the driving motor works, the driving wheel rotates to drive the driven wheel to rotate through the conveying belt, so that the plurality of stirring rods and the plurality of carding teeth rotate, the effect of stirring and rubbing the modified PP particles in the feed hopper is achieved, the phenomenon of agglomeration or connection among the modified PP particles is avoided, the stirring rods and the carding teeth are made of metal materials with good heat transfer, and the heat of the modified PP particles and the heat generated by friction among the modified PP particles are timely dissipated.

Description

Screening device for producing modified PP (polypropylene) particles

Technical Field

The utility model relates to the technical field of PP (polypropylene) particle production, in particular to a screening device for producing modified PP particles.

Background

Aiming at the differences between the poor impact resistance, poor weather resistance and poor surface decoration of polypropylene at low temperature and the functional and practical requirements in the aspects of electricity, magnetism, light, heat, combustion and the like, the polypropylene is modified to become the field which has the most active development of the current plastic processing and the most abundant achievements; the method is widely developed and applied in a plurality of fields such as machinery, automobiles, electronic appliances, buildings, textiles, packaging, agriculture, forestry, fishery, food industry and the like.

The polypropylene polymer component and the macromolecular structure or the crystal configuration are changed by copolymerization modification, crosslinking modification, grafting modification, addition of a nucleating agent and the like, so that the mechanical property, the heat resistance, the aging resistance and other properties of the polypropylene polymer component are improved, the comprehensive performance of the polypropylene polymer component is improved, and the application field of the polypropylene polymer component is expanded; organic or inorganic additives and the like are added into a PP (polypropylene) matrix in the mixing and mixing process to obtain the PP composite material with excellent performance, which mainly comprises the following components: filling modification, blending modification and the like; the crystallization of PP (polypropylene) is the main reason for opaqueness, and a transparent film can be obtained by utilizing the crystallization tendency of rapidly cooling and freezing PP, but a product with a certain wall thickness must start from the crystallization rule and influencing factors of PP; however, the existing screening device for producing modified PP particles has the problem that the screening result is not ideal due to agglomeration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a screening device for producing modified PP particles.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sieving mechanism is used in production of modified PP granule, includes the box, box top fixed mounting has the feeder hopper, and box bottom four corners fixed mounting has the stabilizer blade, and the inside from the top of box inclines fixed mounting in proper order has first guide slot and the second guide slot of a plurality of crisscross distributions, and the inside bottom slope fixed mounting of box has the third guide slot, box top one side fixed mounting has driving motor, and driving motor output fixed mounting has the action wheel, the inside upper end fixed mounting of box has the bracing piece, and the bracing piece top rotates and installs the rotation axis, rotation axis circumference bottom has cup jointed from the driving wheel, and the middle-upper fixed mounting of rotation axis circumference has the puddler of a plurality of angles such as, and rotation axis circumference upper end fixed mounting has the carding tooth of a plurality of angles such as, and has cup jointed the conveyer belt from the driving wheel and the action wheel circumference outside.

Preferably, a plurality of equidistant sieve pores are arranged in the first guide groove and the second guide groove, the third guide groove is internally provided with a smooth surface, and the inner walls of the two ends of the first guide groove, the second guide groove and the third guide groove are all in a shape of a circular horn.

Preferably, the upper inclined ends of the first guide groove, the second guide groove and the third guide groove are fixedly provided with a vibration meter, the outer walls of the bottom ends of the first guide groove and the second guide groove are fixedly provided with a flow guide cover, the flow guide cover is semi-elliptical, and the lower inclined end of the flow guide cover is provided with a notch.

Preferably, it is a plurality of puddler and a plurality of carding tooth dislocation distribution, and carding the tooth and constitute by arc pole and a plurality of equidistant montant, carding the tooth top and be located under the feeder hopper top.

Preferably, the inner wall of the air guide sleeve is a smooth surface, and non-stick layers are sprayed on the inner wall and the outer wall of the air guide sleeve.

Preferably, the stirring rod and the carding teeth are both made of metal materials with good heat transfer.

Preferably, a supporting block is fixedly mounted on the other side of the outer wall of the top end of the box body, a dust collection fan is fixedly mounted on the top end of the supporting block, the inlet end of the dust collection fan is located at the upper end of the top end of the feeding hopper, a filtering cloth bag is fixedly mounted at the outlet end of the dust collection fan, and the supporting block is in a parallelogram shape.

The utility model has the beneficial effects that:

1. according to the screening device for producing the modified PP particles, the plurality of stirring rods and the plurality of carding teeth which are distributed in a staggered manner are arranged in the feed hopper, when the driving motor works, the driving wheel rotates to drive the driven wheel to rotate through the conveying belt, so that the plurality of stirring rods and the plurality of carding teeth rotate, the effect of stirring and rubbing the modified PP particles in the feed hopper is achieved, the phenomenon of agglomeration or connection among the modified PP particles is avoided, the stirring rods and the carding teeth are made of metal materials with good heat transfer, and the heat of the modified PP particles and the heat generated by friction among the stirring rods and the carding teeth are timely dissipated.

2. The utility model provides a screening device for producing modified PP (polypropylene) particles, which is characterized in that a plurality of first guide grooves and second guide grooves which are distributed in a staggered manner are sequentially and obliquely and fixedly arranged in a box body from top to bottom, a third guide groove is obliquely and fixedly arranged at the bottom end in the box body, a plurality of equidistant sieve holes are formed in the first guide groove and the second guide groove, the third guide groove is internally provided with a smooth surface, the inner walls of the two ends of the first guide groove, the second guide groove and the third guide groove are all in a circular-angle shape, so that the first guide groove and the second guide groove screen the modified PP particles, and dust and broken particles are led out from the third guide groove.

3. According to the screening device for producing the modified PP particles, the semi-elliptical guide covers are fixedly arranged on the outer walls of the bottom ends of the first guide groove and the second guide groove, the inclined lower ends of the guide covers are provided with the notches, so that the modified PP particles which are screened to the next stage can be conveniently guided in, the inner walls of the guide covers are smooth surfaces, the inner walls and the outer walls of the guide covers are both sprayed with the non-stick layers, the modified PP particles which are screened by the first guide groove and the second guide groove and the dust of broken particles of the modified PP particles are completely guided out, and the screening efficiency is improved.

4. According to the screening device for producing the modified PP particles, provided by the utility model, the inlet end of the dust collection fan is positioned at the upper end of the top end of the feed hopper, so that dust escaping during feeding of the modified PP particles is timely sucked away, and the workshop environment is prevented from being polluted and the body health of workers is prevented from being influenced.

Drawings

FIG. 1 is a schematic structural diagram of a screening apparatus for producing modified PP particles according to the present invention;

FIG. 2 is a schematic side view of a carding tooth and a stirring rod of the screening device for producing modified PP particles, which is provided by the utility model;

FIG. 3 is a schematic side view of a first guide groove of a screening device for producing modified PP particles according to the present invention;

fig. 4 is a schematic structural diagram of a screening apparatus for producing modified PP particles according to embodiment 2 of the present invention.

In the figure: the device comprises a feed hopper 1, carding teeth 2, a stirring rod 3, a driving motor 4, a conveying belt 5, a supporting rod 6, a guide cover 7, a third guide groove 8, a vibration instrument 9, a second guide groove 10, a first guide groove 11, a box body 12, a rotating shaft 13, a driven wheel 14, a driving wheel 15, a notch 16, a supporting block 17, a dust collection fan 18 and a filter cloth bag 19.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a screening device for producing modified PP particles comprises a box body 12, a feed hopper 1 is fixedly installed at the top end of the box body 12, support legs are fixedly installed at four corners of the bottom end of the box body 12, a plurality of first guide grooves 11 and second guide grooves 10 which are distributed in a staggered manner are fixedly installed in the box body 12 in an inclined manner from top to bottom in sequence, a third guide groove 8 is fixedly installed at the bottom end in the box body 12 in an inclined manner, a driving motor 4 is fixedly installed at one side of the top end of the box body 12, and the output end of the driving motor 4 is fixedly provided with a driving wheel 15, the upper end inside the box body 12 is fixedly provided with a supporting rod 6, and the top end of the support rod 6 is rotatably provided with a rotating shaft 13, the bottom end of the circumference of the rotating shaft 13 is sleeved with a driven wheel 14, the upper end of the circumference of the rotating shaft 13 is fixedly provided with a plurality of stirring rods 3 with equal angles, the upper end of the circumference of the rotating shaft 13 is fixedly provided with a plurality of carding teeth 2 with equal angles, and the outer sides of the circumferences of the driven wheel 14 and the driving wheel 15 are sleeved with a conveyor belt 5.

In the utility model, a plurality of equidistant sieve holes are formed in the first guide groove 11 and the second guide groove 10, the inside of the third guide groove 8 is a smooth surface, and the inner walls of the two ends of the first guide groove 11, the second guide groove 10 and the third guide groove 8 are all in a shape of a circular horn;

the upper inclined ends of the first guide groove 11, the second guide groove 10 and the third guide groove 8 are fixedly provided with a vibration instrument 9, the outer walls of the bottom ends of the first guide groove 11 and the second guide groove 10 are fixedly provided with a guide cover 7, the guide cover 7 is semi-elliptical, and the inclined lower end of the guide cover 7 is provided with a notch 16;

the stirring rods 3 and the carding teeth 2 are distributed in a staggered mode, the carding teeth 2 are composed of arc-shaped rods and a plurality of equidistant vertical rods, and the top ends of the carding teeth 2 are located below the top end of the feed hopper 1;

the inner wall of the air guide sleeve 7 is a smooth surface, and non-stick layers are sprayed on the inner wall and the outer wall of the air guide sleeve 7;

the stirring rod 3 and the carding teeth 2 are both made of metal materials with good heat transfer.

The working principle is as follows: the stirring rods 3 and the carding teeth 2 are arranged in the feed hopper 1 in a staggered manner, when the driving motor 4 works, the driving wheel 15 rotates to drive the driven wheel 14 to rotate through the conveying belt 5, so that the stirring rods 3 and the carding teeth 2 rotate, the effect of stirring and rubbing the modified PP particles in the feed hopper 1 is achieved, the phenomenon of agglomeration or connection among the modified PP particles is avoided, the stirring rods 3 and the carding teeth 2 are made of metal materials with good heat transfer, and the heat of the modified PP particles and the heat generated by the friction among the modified PP particles are dissipated timely;

a plurality of first guide grooves 11 and second guide grooves 10 which are distributed in a staggered manner are fixedly installed in a box body 12 in a sequentially inclined manner from top to bottom, a third guide groove 8 is fixedly installed at the bottom end in the box body 12 in an inclined manner, a plurality of equidistant sieve holes are formed in the first guide groove 11 and the second guide groove 10, the inside of the third guide groove 8 is a smooth surface, the inner walls of two ends of the first guide groove 11, the second guide groove 10 and the third guide groove 8 are in a circular-angle shape, so that the first guide groove 11 and the second guide groove 10 screen modified PP particles, and dust and crushed particles are led out of the third guide groove 8;

there is half oval kuppe 7 of form through

first guide slot

11 and 10 bottom outer walls fixed mounting of second guide slot, and the slope lower extreme of kuppe 7 has seted up breach 16, and the modified PP granule that conveniently sieves next-level is leading-in, and kuppe 7 inner wall is the smooth surface, and the equal spraying of kuppe 7 inside and outside wall has the non-stick layer, exports modified PP granule and the particle dust that

first guide slot

11 and 10 sieves of second guide slot completely, improves screening efficiency.

Example 2

Referring to fig. 4, a screening device for producing modified PP particles, further, a supporting block 17 is fixedly installed on the other side of the outer wall of the top end of the box body 12, a dust suction fan 18 is fixedly installed on the top end of the supporting block 17, the inlet end of the dust suction fan 18 is located at the upper end of the top end of the feed hopper 1, a filter cloth bag 19 is fixedly installed at the outlet end of the dust suction fan 18, and the supporting block 17 is in a parallelogram shape.

The working principle is as follows: the inlet end of the dust collection fan 18 is positioned at the upper end of the top end of the feed hopper 1, so that dust escaping during feeding of the modified PP particles is sucked away in time, and the workshop environment is prevented from being polluted and the health of workers is prevented from being influenced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a sieving mechanism is used in production of modified PP granule, includes box (12), its characterized in that, box (12) top fixed mounting has feeder hopper (1), and box (12) bottom four corners fixed mounting has the stabilizer blade, and box (12) inside from the top in proper order the slope fixed mounting have a plurality of crisscross first guide slot (11) and second guide slot (10) that distribute, and box (12) inside bottom slope fixed mounting has third guide slot (8), box (12) top one side fixed mounting has driving motor (4), and driving motor (4) output end fixed mounting has action wheel (15), box (12) inside upper end fixed mounting has bracing piece (6), and bracing piece (6) top rotates and installs rotation axis (13), rotation axis (13) circumference bottom has cup jointed from driving wheel (14), and rotation axis (13) circumference middle-upper fixed mounting has a plurality of equal angle puddler (3), a plurality of equiangular carding teeth (2) are fixedly arranged at the upper end of the circumference of the rotating shaft (13), and the outer sides of the circumferences of the driven wheel (14) and the driving wheel (15) are sleeved with the conveyor belt (5).

2. The screening device for producing the modified PP particles, according to claim 1, is characterized in that a plurality of equidistant sieve holes are formed in the first guide groove (11) and the second guide groove (10), the inside of the third guide groove (8) is a smooth surface, and the inner walls of the two ends of the first guide groove (11), the second guide groove (10) and the third guide groove (8) are all in a shape of a circular horn.

3. The screening device for producing the modified PP particles, according to claim 2, is characterized in that the vibrating instrument (9) is fixedly installed at the inclined upper ends of the first guide groove (11), the second guide groove (10) and the third guide groove (8), the air guide sleeve (7) is fixedly installed on the outer wall of the bottom end of the first guide groove (11) and the outer wall of the bottom end of the second guide groove (10), the air guide sleeve (7) is semi-elliptical, and a notch (16) is formed at the inclined lower end of the air guide sleeve (7).

4. The screening device for producing modified PP granules of claim 1, wherein a plurality of said stirring rods (3) and a plurality of said carding teeth (2) are distributed in a staggered manner, and the carding teeth (2) are composed of an arc-shaped rod and a plurality of equidistant vertical rods, and the top ends of the carding teeth (2) are located below the top end of the feed hopper (1).

5. The screening device for producing the modified PP granules, according to claim 3, is characterized in that the inner wall of the air guide sleeve (7) is a smooth surface, and the inner wall and the outer wall of the air guide sleeve (7) are both sprayed with non-stick layers.

6. The screening device for producing modified PP granules of claim 4, wherein the stirring rod (3) and the carding teeth (2) are made of metal materials with good heat transfer.

7. The screening device for producing the modified PP granules, according to claim 1, wherein a supporting block (17) is fixedly installed on the other side of the outer wall of the top end of the box body (12), a dust suction fan (18) is fixedly installed on the top end of the supporting block (17), the inlet end of the dust suction fan (18) is located at the upper end of the top end of the feed hopper (1), a filtering cloth bag (19) is fixedly installed at the outlet end of the dust suction fan (18), and the supporting block (17) is in a parallelogram shape.