CN114074385B

CN114074385B - Semi-rotary plastic particle drying device

Info

Publication number: CN114074385B
Application number: CN202210059143.4A
Authority: CN
Inventors: 徐华
Original assignee: Jiangsu Biyuntian High Tech Co ltd
Current assignee: Jiangsu Biyuntian High Tech Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-03-29
Anticipated expiration: 2042-01-19
Also published as: CN114074385A

Abstract

The invention discloses a semi-rotary plastic particle drying device, which belongs to the technical field of plastic particle drying, wherein an air duct is controlled to circularly perform forward-reverse 180-degree rotary motion, so that plastic wrapped by elastic cloth is rotated and ascended, meanwhile, a stay cord forms a surrounding state on the outer surface of a rope connecting sleeve to drive a pair of arc plates to be gradually separated and unfolded, the elastic cloth is straightened, plastic particles in the elastic cloth are continuously extruded outwards, are rolled downwards along the inclined arc plates and are dispersed, and then are wrapped, extruded and dispersed by the elastic cloth again, so that the plastic particles which are continuously dispersed are repeatedly and fully contacted with hot air, a comprehensive quick drying process is realized, and the drying sufficiency and the drying efficiency of the plastic particles are effectively improved.

Description

Semi-rotary plastic particle drying device

Technical Field

The invention relates to the technical field of plastic particle drying, in particular to a semi-rotary type plastic particle drying device.

Background

The plastic particles refer to granular plastics, and are generally divided into more than 200 types and are subdivided into thousands of types. Common plastic particles include general plastics, engineering plastics and special plastics. General purpose plastics: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, and the like. Engineering plastics: nylon, polytetrafluoro, polyformaldehyde, polycarbon organosilicon, etc. Special plastics: thermosetting plastics, functional polymer plastics, such as artificial kidney.

The plastic particle raw material produced in the production of the plastic product needs to be fully dried before processing so as to remove moisture and ensure the quality of the produced plastic product.

However, the existing drying device has poor drying effect on plastic particles, and the plastic particles are not sufficiently separated and turned, so that the moisture volatilization is slow, and the improvement of the drying efficiency is restricted.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to solve the problems in the prior art and provides a semi-rotary plastic particle drying device, which controls an air duct to circularly perform forward-reverse 180-degree rotary motion to enable elastic cloth to wrap plastic to rotate and rise, meanwhile, a pull rope forms a surrounding state on the outer surface of a rope connecting sleeve to drive a pair of arc plates to gradually separate and expand, and the elastic cloth is straightened to enable plastic particles in the elastic cloth to be continuously extruded outwards, to roll downwards along the inclined arc plates and to be dispersed, and then to be wrapped, extruded and dispersed again by the elastic cloth, so that repeated operation is performed, the continuously dispersed plastic particles are fully contacted with hot air, a comprehensive quick drying process is realized, and the drying sufficiency and the drying efficiency are effectively improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A semi-rotary plastic particle drying device comprises a drying cylinder and a base fixedly connected to the lower end of the drying cylinder, wherein a main disc and an auxiliary disc are arranged inside the drying cylinder, a pair of arc plates are arranged between the main disc and the auxiliary disc, elastic cloth is fixedly connected between the pair of arc plates, a pair of sliding grooves are formed in one ends, close to the arc plates, of the main disc and the auxiliary disc, sliding blocks are fixedly connected to two ends of each arc plate, the sliding blocks are connected inside the sliding grooves in a sliding mode, a material blocking plate is fixedly connected between the main disc and the auxiliary disc and located on one side, far away from the elastic cloth, of each arc plate;

one side that main disc and auxiliary disc kept away from each other all is equipped with the rope sleeve pipe, the inner wall fixed connection of rope sleeve pipe one end and drying cylinder, a plurality of evenly distributed's grooving has all been seted up to the side of main disc and auxiliary disc, the surface fixed connection of arc board has a plurality of evenly distributed's stay cord, and is a plurality of the one end that the arc board was kept away from to the stay cord runs through the inboard of a plurality of grooving respectively and with rope sleeve pipe's outer end fixed connection, stay cord sliding connection is in the inside of grooving, the one end fixedly connected with dryer that the arc board was kept away from to the main disc, the dryer runs through drying cylinder and extends to its outside, and the dryer is connected with drying cylinder internal rotation.

Further, the outer end fixedly connected with gear of dryer, the gear is located the outside of drying cylinder, the upper end fixedly connected with electric putter of base, electric putter's flexible end fixedly connected with rack, the rack is connected with gear engagement.

Further, the outer end fixedly connected with feeding section of thick bamboo of a drying section of thick bamboo, a feeding section of thick bamboo runs through drying section of thick bamboo, one of them inboard and the auxiliary disc of connecting rope sleeve pipe in proper order and is located between a pair of arc boards, a feeding section of thick bamboo is connected with the inside rotation of auxiliary disc, the dryer runs through the main disc and is located between a pair of arc boards.

Furthermore, the inner surface of the arc plate is fixedly connected with a magnetic plate, and one end of each pair of the magnetic plates close to each other is heteropolar.

Further, the internal surface of arc board still fixedly connected with a plurality of rubber sticks, it is a plurality of rubber stick evenly distributed is in the both sides of magnetic sheet.

Further, in an initial state, the distance between the pair of arc plates is the minimum value, an extension line of the pull rope positioned on one side, away from each other, of the main disc and the auxiliary disc is intersected with the center line of the rope connecting sleeve, and when the elastic cloth is in a normal straightening state, the distance between the pair of arc plates is the maximum value.

Furthermore, one ends, close to each other, of the main disc and the auxiliary disc are fixedly connected with material blocking plates, and the material blocking plates are located on the lower side of the elastic cloth.

Furthermore, a pair of rope connecting sleeves are respectively sleeved on the outer sides of the feeding cylinder and the air cylinder, the air cylinder is rotatably connected inside the rope connecting sleeves, the feeding cylinder is fixedly connected inside the rope connecting sleeves, and the auxiliary disc is in contact with the adjacent rope connecting sleeves.

Further, the inside of dryer is equipped with the air-supply line, the ring channel has been seted up to the inner wall of dryer, the outer end fixedly connected with crown plate of air-supply line, the crown plate rotates to be connected in the inside of ring channel.

Furthermore, the outer end of the feeding cylinder is in threaded connection with a pipe cover, and the outer end of the drying cylinder is fixedly connected with an air outlet pipe communicated with the inside of the drying cylinder.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme carries out forward-reverse 180 rotary motion through control dryer circulation, make elastic cloth wrap up the rotatory rising of plastics, meanwhile, the stay cord is at the sheathed tube surface of company rope and is formed around the state, drive a pair of arc board and separate the expansion gradually, straighten the operation to elastic cloth, make the inside plastic granules of elastic cloth constantly outwards extrude, the arc board along the slope rolls downwards and the dispersion, be wrapped up by elastic cloth again afterwards, extrude and the dispersion, so relapse, the plastic granules of continuous dispersion and hot-blast abundant contact, realize comprehensive quick drying process, effectively improve its drying sufficiency and drying efficiency.

(2) The striker plate and the elastic cloth cover the upper opening and the lower opening between the pair of arc plates respectively, so that plastic particles can be dried in a space formed by the arc plates, the elastic cloth and the striker plate, the arc plates adopt a net structure, the mesh size of the arc plates is smaller than that of the dried plastic particles, and the hot air containing moisture is discharged conveniently in the drying process.

(3) Electric putter's concertina movement can drive rack round trip movement, cooperation through rack and gear, can realize that the dryer goes on repeatedly and approaches in 180 positive and negative rotatory half-turn motion, the dryer drives the main disc on the one hand, arc board and elastic cloth between the two carry out synchronous rotation, on the other hand, fix on a drying section of thick bamboo because of even the rope sleeve, along with the rotation of arc board, the stay cord is at even the sheathed tube surface formation of rope around the state, even the rope sleeve has the pulling effect to the stay cord promptly, under the pulling force effect of stay cord, the arc board outwards removes along the grooving, a pair of arc board becomes the expansion state by closing up the state gradually.

(4) The pair of magnetic plates has magnetic attraction, so that the pair of arc plates can be automatically folded before the pair of arc plates are in an initial state and when the pulling force of the pull rope is lost (in the reverse rotation process of the air duct), and a large amount of plastic particles can be accumulated in the elastic cloth below the pair of arc plates.

(5) When plastic granules rolled the drying downwards along the arc plate inner surface of slope, not only can delay plastic granules's roll rate through the rubber stick, extension dispersion drying time has the dispersion effect to the granule group that adheres together simultaneously, makes plastic granules and hot-blast contact more abundant, improves drying efficiency.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a partial perspective view of the present invention with the drying cylinder removed;

FIG. 3 is a partial perspective view of the present invention rotated 180 degrees forward;

FIG. 4 is a second perspective view of the present invention;

FIG. 5 is a perspective view of the present invention at an arc plate;

FIG. 6 is a schematic side view of the present invention;

FIG. 7 is a schematic front view of the present invention rotated 180 degrees in the forward direction;

FIG. 8 is a schematic diagram of the front structure of the present invention after plastic particles are introduced;

FIG. 9 is a first schematic diagram of the front side of the drying process of the present invention;

FIG. 10 is a schematic diagram of the front structure of the present invention in the drying process;

FIG. 11 is a schematic diagram of the front structure of the present invention in the drying process;

fig. 12 is a cross-sectional view of the air inlet duct of the present invention.

The reference numbers in the figures illustrate:

the device comprises a drying cylinder 1, a base 2, a main disc 31, an auxiliary disc 32, a material baffle 33, a rope groove 301, a sliding groove 302, an arc plate 4, a magnetic plate 401, a rubber rod 402, elastic cloth 5, an air cylinder 6, a rope connecting sleeve 7, a pull rope 8, a rack 9, an electric push rod 10, a gear 11, a feeding cylinder 12, an air outlet pipe 13, an air inlet pipe 14, a ring plate 1401 and a material baffle 15.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1 and 2, a semi-rotary plastic particle drying device comprises a drying cylinder 1 and a base 2 fixedly connected to the lower end of the drying cylinder 1, a main disc 31 and an auxiliary disc 32 are arranged inside the drying cylinder 1, a pair of arc plates 4 are arranged between the main disc 31 and the auxiliary disc 32, an elastic cloth 5 is fixedly connected between the pair of arc plates 4, a pair of sliding grooves 302 are respectively arranged at one ends of the main disc 31 and the auxiliary disc 32 close to the arc plates 4, sliding blocks are respectively fixedly connected to both ends of the arc plates 4 and are slidably connected inside the sliding grooves 302, a baffle plate 33 is fixedly connected between the main disc 31 and the auxiliary disc 32, the baffle plate 33 is positioned at one side of the arc plates 4 far away from the elastic cloth 5, the baffle plate 33 and the elastic cloth 5 respectively cover upper and lower openings between the pair of arc plates 4, so that plastic particles can be dried in a space formed by the arc plates 4, the elastic cloth 5 and the baffle plate 33, the arc plates 4 adopt a mesh structure, and the mesh size is smaller than the size of the dried plastic particles, so that hot air containing moisture in the drying process can be conveniently discharged.

Referring to fig. 2-4, one side of the main disc 31 and the auxiliary disc 32 away from each other is provided with a rope connecting sleeve 7, one end of the rope connecting sleeve 7 is fixedly connected with the inner wall of the drying cylinder 1, a plurality of rope grooves 301 which are uniformly distributed are formed in the side ends of the main disc 31 and the auxiliary disc 32, the outer surface of the arc plate 4 is fixedly connected with a plurality of pull ropes 8 which are uniformly distributed, one ends of the pull ropes 8 away from the arc plate 4 respectively penetrate through the inner sides of the rope grooves 301 and are fixedly connected with the outer ends of the rope connecting sleeve 7, the pull ropes 8 are slidably connected inside the rope grooves 301, one end of the main disc 31 away from the arc plate 4 is fixedly connected with an air duct 6, the air duct 6 penetrates through the drying cylinder 1 and extends to the outer side of the drying cylinder, and the air duct 6 is rotatably connected with the inside of the drying cylinder 1.

Referring to fig. 3, the outer end of the air duct 6 is fixedly connected with a gear 11, the gear 11 is located at the outer side of the drying drum 1, the upper end of the base 2 is fixedly connected with an electric push rod 10, the telescopic end of the electric push rod 10 is fixedly connected with a rack 9, and the rack 9 is meshed with the gear 11.

Referring to fig. 2 and 3, the rack 9 can be driven by the telescopic motion of the electric push rod 10 to move back and forth, and the wind tunnel 6 can repeatedly perform a forward and reverse rotation half-turn motion approaching 180 degrees through the cooperation of the rack 9 and the gear 11, on one hand, the wind tunnel 6 drives the main disc 31, the auxiliary disc 32 and the arc plate 4 and the elastic cloth 5 between the main disc and the auxiliary disc to synchronously rotate, on the other hand, the rope connecting sleeve 7 is fixed on the drying drum 1, and along with the rotation of the arc plate 4, the pull rope 8 forms a surrounding state on the outer surface of the rope connecting sleeve 7, namely, the rope connecting sleeve 7 has a pulling effect on the pull rope 8, and under the pulling force of the pull rope 8, the arc plate 4 moves outwards along the rope groove 301, and the pair of arc plates 4 gradually changes from a folded state to an unfolded state.

Referring to fig. 4 and 6, the outer end of the drying cylinder 1 is fixedly connected with a feeding cylinder 12, the outer end of the feeding cylinder 12 is in threaded connection with a pipe cover, the feeding cylinder 12 sequentially penetrates through the drying cylinder 1, the inner side of one of the rope connecting sleeves 7 and the auxiliary disc 32 and is located between the pair of arc plates 4, the feeding cylinder 12 is rotatably connected with the inner part of the auxiliary disc 32, the air cylinder 6 penetrates through the main disc 31 and is located between the pair of arc plates 4, the feeding cylinder 12 is used for introducing plastic particles between the arc plates 4 and the elastic cloth 5 and collecting the dried plastic particles, and the air cylinder 6 is used for introducing hot air between the arc plates 4 and the elastic cloth 5 and drying the plastic particles.

The pair of rope connecting sleeves 7 are respectively sleeved outside the feeding barrel 12 and the air duct 6, the air duct 6 is rotatably connected inside the rope connecting sleeves 7, the feeding barrel 12 is fixedly connected inside the rope connecting sleeves 7, the auxiliary disc 32 is in mutual contact with the adjacent rope connecting sleeves 7, the rope connecting sleeves 7 close to the feeding barrel 12 play a role in stopping and limiting the auxiliary disc 32, so that the auxiliary disc 32 and the arc plate 4 are in a close fit state, and the normal use of the invention is facilitated.

Referring to fig. 5, the inner surfaces of the arc plates 4 are fixedly connected with the magnetic plates 401, one ends of the pair of magnetic plates 401, which are close to each other, are heteropolar, referring to fig. 9, a magnetic attraction exists between the pair of magnetic plates 401, so that the pair of arc plates 4 can be automatically folded before the initial state and when the pulling force of the pulling rope 8 is lost (in the reverse rotation process of the air duct 6), so that a large amount of plastic particles can be accumulated in the elastic cloth 5 below, when the air duct 6 rotates in the forward direction, the elastic cloth 5 wraps the plastic particles and moves upwards together, meanwhile, referring to fig. 10 and fig. 1, the pair of arc plates 4 gradually unfold, straighten the elastic cloth 5, continuously extrude the plastic particles out from the inner part of the elastic cloth 5, so that the plastic particles roll downwards along the inclined arc plates 4, and are dispersed and dried completely, and the drying sufficiency and the drying efficiency of the plastic particles are effectively improved.

Referring to fig. 11, the inner surface of the arc plate 4 is further fixedly connected with a plurality of rubber rods 402, the rubber rods 402 are uniformly distributed on two sides of the magnetic plate 401, when plastic particles are rolled and dried downwards along the inner surface of the inclined arc plate 4, the rolling speed of the plastic particles can be delayed through the rubber rods 402, the dispersion and drying time is prolonged, and meanwhile, the plastic particles are dispersed to particle clusters adhered together, so that the plastic particles are contacted with hot air more sufficiently, and the drying efficiency is improved.

Referring to fig. 2-3, in an initial state, the distance between the pair of arc plates 4 is the minimum, the extension line of the pull rope 8 located on the side where the main disc 31 and the auxiliary disc 32 are far away from each other intersects with the center line of the rope connecting sleeve 7, that is, the tangent line of the connecting point position of the pull rope 8 and the rope connecting sleeve 7 is perpendicular to the pull rope 8, when the air duct 6 rotates in the forward direction in this state, the pull rope 8 is gradually wound on the surface of the rope connecting sleeve 7, the arc plates 4 are pulled to be unfolded, the central angle corresponding to the arc plates 4 is 100 degrees to 110 degrees, and when the elastic cloth 5 is in a normal straightening state, the distance between the pair of arc plates 4 is the maximum.

Referring to fig. 6, one end of the main disc 31 and the sub-disc 32 close to each other is fixedly connected with a material blocking plate 15, the material blocking plate 15 is located at the lower side of the elastic cloth 5, and the material blocking plate 15 supports two end portions of the elastic cloth 5, so that the elastic cloth 5 at the position is not easy to sink under the action of plastic particles, and therefore the plastic particles are not easy to flow out through gaps between the main disc 31 and the sub-disc 32 and the elastic cloth 5, and the smooth drying process is ensured.

Referring to fig. 12, an air inlet pipe 14 is disposed inside an air duct 6, an annular groove is disposed on an inner wall of the air duct 6, an outer end of the air inlet pipe 14 is fixedly connected with a ring plate 1401, the ring plate 1401 is rotatably connected inside the annular groove, during a drying process, hot air is introduced into the air duct 6 through the air inlet pipe 14, and then enters between a pair of arc plates 4 to dry plastic particles, because the air duct 6 rotates back and forth 180 degrees, the rotation of the air duct 6 is not easily affected by the air inlet pipe 14 through a rotating structure between the air duct 6 and the air inlet pipe 14, so that smooth introduction of the hot air is facilitated, an outer end of the drying duct 1 is fixedly connected with an air outlet pipe 13 communicated with the inside of the drying duct 1, and the air outlet pipe 13 is used for discharging hot air containing moisture.

Before use: referring to fig. 8, the pair of arc plates 4 are in a folded state with a minimum distance, and material particles are introduced into a space formed by the arc plates 4 and the elastic cloth 5, and the material is deposited inside the elastic cloth 5 below;

and (3) drying: through the telescopic motion of the electric push rod 10, the air duct 6 circularly rotates for 180 degrees in the positive direction and the negative direction, and the method comprises the following steps:

forward rotation: referring to fig. 9 and 10, the electric push rod 10 is driven to rotate in the forward direction by the extension of the electric push rod 10, the elastic cloth 5 wrapped with the plastic particles gradually rises, meanwhile, the pull rope 8 forms a surrounding state on the outer surface of the rope connecting sleeve 7, so that the pull rope 8 drives the pair of arc plates 4 to gradually expand and get away from each other, the elastic cloth 5 is straightened, the plastic particles are continuously extruded out from the inside of the elastic cloth 5, and the elastic cloth rolls downwards along the inclined arc plates 4 to be dispersed and completely dried;

supplementary explanation: elastic cloth 5 has certain elasticity, at the rotation early stage (turned angle within 90 °), because of having wrapped up a large amount of plastic granules, elastic cloth 5 is in the tensile state by a wide margin, and its gravity that receives is great, and its shape resumes slower, and plastic granules's extrusion capacity is less, at the rotation later stage (turned angle at 90 ° -180 °), along with the extrusion of plastic granules, elastic cloth 5 receives the gravity and reduces, and elastic cloth 5's shape resumes sooner, and plastic granules extrudes speed is very fast, makes a large amount of plastic granules all be extruded, roll at the rotation later stage like this, is convenient for carry out abundant drying.

And (3) reverse rotation: when the air duct 6 rotates forwards and approaches 180 degrees, the pair of arc plates 4 is farthest away, the elastic cloth 5 is in a normal straightening state, the plastic particles are completely discharged, then the electric push rod 10 contracts to drive the air duct 6 to rotate reversely by 180 degrees, under the action of the magnetic attraction of the rubber rod 402, the pair of arc plates 4 are gradually folded until the air duct is in an initial state, and then the air duct rotates forwards again.

The forward-reverse rotation is repeated, so that the plastic particles continuously and circularly roll downwards along the arc plate 4 and are in continuous dynamic dispersion process, the surfaces of the plastic particles are fully contacted with hot air, the plastic particles are comprehensively and quickly dried, and the drying sufficiency and the drying efficiency are effectively improved.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a semi-rotation type plastic granules drying device, includes drying cylinder (1) and base (2) of fixed connection in drying cylinder (1) lower extreme, its characterized in that: the drying cylinder is characterized in that a main disc (31) and an auxiliary disc (32) are arranged inside the drying cylinder (1), a pair of arc plates (4) is arranged between the main disc (31) and the auxiliary disc (32), an elastic cloth (5) is fixedly connected between the arc plates (4), a pair of sliding grooves (302) are formed in one ends, close to the arc plates (4), of the main disc (31) and the auxiliary disc (32), sliding blocks are fixedly connected to two ends of each arc plate (4), the sliding blocks are connected to the inside of the sliding grooves (302) in a sliding mode, a material baffle plate (33) is fixedly connected between the main disc (31) and the auxiliary disc (32), the material baffle plate (33) is located on one side, far away from the elastic cloth (5), of each arc plate (4), a magnetic plate (401) is fixedly connected to the inner surface of each arc plate (4), and one end, close to each other, of the magnetic plates (401) is heteropolar;

one sides of the main disc (31) and the auxiliary disc (32) which are far away from each other are provided with a rope connecting sleeve (7), one end of the rope connecting sleeve (7) is fixedly connected with the inner wall of the drying cylinder (1), the side ends of the main disc (31) and the auxiliary disc (32) are both provided with a plurality of rope grooves (301) which are uniformly distributed, the outer surface of the arc plate (4) is fixedly connected with a plurality of uniformly distributed pull ropes (8), one ends of the pull ropes (8) far away from the arc plate (4) respectively penetrate through the inner sides of the rope grooves (301) and are fixedly connected with the outer end of the rope connecting sleeve (7), the pull rope (8) is connected inside the rope groove (301) in a sliding manner, one end of the main disc (31) far away from the arc plate (4) is fixedly connected with an air duct (6), the air duct (6) penetrates through the drying cylinder (1) and extends to the outer side of the drying cylinder, and the air duct (6) is rotatably connected with the inside of the drying cylinder (1).

2. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: the outer end fixedly connected with gear (11) of dryer (6), gear (11) are located the outside of drying cylinder (1), the upper end fixedly connected with electric putter (10) of base (2), the flexible end fixedly connected with rack (9) of electric putter (10), rack (9) are connected with gear (11) meshing.

3. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: the outer end fixedly connected with feeding section of thick bamboo (12) of drying section of thick bamboo (1), feeding section of thick bamboo (12) run through the inboard and auxiliary disc (32) of drying section of thick bamboo (1), one of them rope sleeve pipe (7) in proper order and lie in between a pair of arc board (4), feeding section of thick bamboo (12) are connected with auxiliary disc (32) internal rotation, dryer (6) run through main disc (31) and lie in between a pair of arc board (4).

4. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: the inner surface of the arc plate (4) is also fixedly connected with a plurality of rubber rods (402), and the rubber rods (402) are uniformly distributed on two sides of the magnetic plate (401).

5. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: in an initial state: the distance between the pair of arc plates (4) is the minimum, and the extension line of the pull rope (8) positioned on the side, away from each other, of the main disc (31) and the auxiliary disc (32) is intersected with the central line of the rope connecting sleeve (7);

when the elastic cloth (5) is in a normal straightening state, the distance between the pair of arc plates (4) is the maximum value.

6. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: the one end that main disc (31) and auxiliary (32) are close to each other all fixedly connected with material stopping plate (15), material stopping plate (15) are located the downside of elastic cloth (5).

7. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: the pair of rope connecting sleeves (7) are respectively sleeved on the outer sides of the feeding barrel (12) and the air barrel (6), the air barrel (6) is rotatably connected inside the rope connecting sleeves (7), the feeding barrel (12) is fixedly connected inside the rope connecting sleeves (7), and the auxiliary disc (32) is in contact with the adjacent rope connecting sleeves (7).

8. The semi-rotary plastic pellet dryer as claimed in claim 1, wherein: an air inlet pipe (14) is arranged inside the air duct (6), an annular groove is formed in the inner wall of the air duct (6), a ring plate (1401) is fixedly connected to the outer end of the air inlet pipe (14), and the ring plate (1401) is rotatably connected inside the annular groove.

9. The semi-rotary plastic pellet dryer as claimed in claim 3, wherein: the outer end threaded connection of a feeding cylinder (12) has a pipe cover, the outer end fixedly connected with of a drying cylinder (1) with inside communicating tuber pipe (13) of drying cylinder (1).