CN220373665U

CN220373665U - Incomplete membrane granulator is with air-drying device

Info

Publication number: CN220373665U
Application number: CN202321959861.3U
Authority: CN
Inventors: 王宗富; 王岩; 王莹; 宁堂原; 米庆华
Original assignee: Shandong Changfu Agricultural Technology Development Co ltd
Current assignee: Shandong Changfu Agricultural Technology Development Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-23
Anticipated expiration: 2033-07-25

Abstract

The application provides an air-drying device for a plastic film residue granulator, which is arranged between a water cooling tank and the granulator and used for air-drying a water-cooled plastic strip, and comprises an air drying box, a fan and a bracket for supporting the air drying box and the fan; the front end and the rear end of the air drying box are respectively provided with a feed inlet and a discharge outlet, a driving roller set is arranged in the air drying box, the driving roller set comprises two driving rollers which are arranged in parallel, and the two driving rollers are matched to clamp and move the plastic strip; a spiral partition plate is arranged in the air drying box along the moving direction of the plastic strip, a spiral air channel is formed between the spiral partition plate and the inner wall of the air drying box, and holes for the plastic strip to pass through are formed in the spiral partition plate; an air inlet and an air outlet are respectively arranged on the side surface of the air drying box, the air inlet is close to the discharge hole, and the air outlet is close to the feed hole; the fan is communicated with the air inlet. The device provides power for the movement of the plastic strips, and avoids the plastic strips from being broken by the granulator. In addition, the air drying effect can be achieved, meanwhile, the power of a fan is reduced, and the cost is saved.

Description

Incomplete membrane granulator is with air-drying device

Technical Field

The utility model relates to the technical field of air drying devices, in particular to an air drying device for a residual film granulator.

Background

In the production process of recycling the residual film, the residual film can be thermoplastic again to form a strip shape, and the plastic strip after shaping has high temperature, so that the temperature needs to be reduced. As shown in fig. 1, the plastic strip 4 after shaping is cooled by the water cooling tank 1, the cooled plastic strip is dried by the air drying device 2 to dry the moisture on the plastic strip, and then the plastic strip enters the granulator 3 to be cut into final plastic particles, and the plastic particles can be sold as raw materials for producing other plastic products, so that the resource recycling is realized.

The applicant finds that after the plastic strip is cooled by water in the actual production process, the plasticity is reduced, and then the plastic strip is dried by wind, the shaping is further reduced and becomes brittle, and the plastic strip moves in the air drying device by pulling of the granulator, so that the plastic strip is very easy to break after air drying, and needs to be connected manually, thereby not only affecting the production efficiency, but also consuming manpower.

In addition, in the conventional air-drying device shown in fig. 1, the air outlet is opened, and thus effective use of wind power cannot be achieved.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides an air drying device for a residual film granulator.

The technical scheme of the utility model is as follows:

the air-drying device for the plastic film residue granulator is arranged between a water cooling tank and the granulator and used for air-drying the water-cooled plastic strips and comprises an air-drying box, a fan and a bracket for supporting the air-drying box and the fan;

the plastic strip conveying device comprises an air drying box, wherein a feeding port and a discharging port are respectively arranged at the front end and the rear end of the air drying box, a driving roller set is arranged in the air drying box and comprises two driving rollers which are arranged in parallel, and the two driving rollers are matched to clamp and move the plastic strip;

a spiral partition plate is arranged in the air drying box along the moving direction of the plastic strips, a spiral air channel is formed between the spiral partition plate and the inner wall of the air drying box, and holes for the plastic strips to pass through are formed in the spiral partition plate;

the side surface of the air drying box is provided with an air inlet and an air outlet respectively, the air inlet is close to the discharge port, and the air outlet is close to the feed port;

the fan is communicated with the air inlet.

Preferably, the number of the driving roller sets is two.

Preferably, the two driving roller sets are respectively close to the feed inlet and the discharge outlet.

Preferably, the two driving rollers of the driving roller set are arranged in parallel up and down.

Preferably, a plurality of annular grooves are formed in the cylindrical surface of the driving roller, and the annular grooves are uniformly arranged at intervals along the axial direction of the driving roller.

Preferably, the annular grooves on the two driving rollers in the driving roller set are correspondingly and symmetrically arranged.

Further, at least one driven roller group is further arranged in the air drying box, and the driven roller group is arranged between the two driving roller groups and can support the plastic strips.

Preferably, at least one of the driven roller groups and the two drive roller groups are disposed parallel to each other.

Preferably, the size of the hole on the spiral separator is larger than the size of the driven roller group.

Further, the number of spiral turns of the spiral separator is at least three.

According to the air drying device for the plastic strip granulating machine, provided by the utility model, the power for moving the plastic strip is provided by the driving roller set, so that the pulling force of the granulating machine on the plastic strip is reduced, and further the plastic strip after air drying is prevented from being broken. In addition, the spiral air channel enables the air blown out by the fan to be utilized for multiple times, the required air quantity is reduced when the air drying effect is achieved, and then the power of the fan can be reduced, and the cost is saved.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the operation of a conventional air drying device;

fig. 2 is a schematic perspective view of an air-drying apparatus according to the present utility model;

FIG. 3 is a schematic front view of the air-drying apparatus of the present utility model;

FIG. 4 is a schematic cross-sectional view of an air-drying apparatus according to the present utility model;

fig. 5 is a schematic view of an active roller of the present utility model.

The components represented by the reference numerals in the figures are:

1. a water cooling tank; 2. an air drying device; 3. a granulator; 4. a plastic strip; 5. an air drying box; 51. a feed inlet; 52. a discharge port; 53. a drive roll set; 531. an active roller; 532. an annular groove; 54. a spiral separator; 541. a hole; 55. a spiral air duct; 56. an air inlet; 57. an air outlet; 58. a driven roller group; 581. a driven roller; 6. a blower; 7. and (3) a bracket.

Detailed Description

As shown in fig. 2 and 4, an embodiment of the present utility model provides an air-drying device for a residual film granulator, which is disposed between a water cooling tank (not shown in the drawings) and the granulator (not shown in the drawings), and air-dries a plastic strip (not shown in the drawings) after water cooling, and includes an air-drying box 5, a fan 6, and a bracket 7 for supporting the air-drying box 5 and the fan 6.

The air drying box 5 is preferably cylindrical in shape, and has a feed inlet 51 and a discharge outlet 52 at its front and rear ends. The inlet 51 and outlet 52 are identical in shape and preferably are elongated, and in this embodiment are preferably rectangular. Since the water-cooled strands of plastic are generally horizontally aligned, the length of the inlet 51 and outlet 52 are parallel to the horizontal plane.

As shown in fig. 3, 4 and 5, a driving roller set 53 is disposed in the air drying box 5, the driving roller set 53 includes two driving rollers 531 disposed in parallel, and two ends of the two driving rollers 531 are respectively connected with the air drying box 5 in a rotating manner. The two driving rollers 531 are preferably arranged in parallel up and down, and are matched with each other to clamp and move the plastic strip, so that power is provided for the movement of the plastic strip in the air drying device, the pulling force of the granulator on the plastic strip is reduced, and the plastic strip is prevented from being broken.

As shown in fig. 3 and 4, a spiral partition plate 54 is provided in the air-drying box 5 in the moving direction (i.e., the front-rear direction) of the plastic strip, and the outer edge of the spiral partition plate 54 is in contact with and fixed to the inner wall of the air-drying box 5.

A spiral air duct 55 is formed between the spiral partition plate 54 and the inner wall of the air drying box 5, an air inlet 56 and an air outlet 57 are respectively arranged on the side face of the air drying box 5, the air inlet 56 is close to the discharge hole 52, the air outlet 57 is close to the feed hole 51, and the fan 6 is communicated with the air inlet 56. The air blown by the fan 6 enters the air-drying box 5 from the air inlet 56, passes through the spiral air duct 55 and is discharged from the air outlet 57.

In this embodiment, the spiral partition 54 is provided with a hole 541 for passing a plastic strip, and the hole 541 is preferably the same as the shape of the feed inlet 51 and the discharge outlet 52, and the plastic strip enters the air drying box 5 from the feed inlet 51, passes through the hole 541 in the spiral partition 54, extends out from the discharge outlet 52, and enters the granulator. While the number of turns of the spiral partition 54 is preferably at least three so that the air blown by the fan 6 can flow through the plastic strip a plurality of times. The number of turns of the spiral separator 54 in this embodiment is preferably three.

In the air drying device provided in this embodiment, the air blower 6 blows air from the air inlet 56, at this time, the air is dry, the dry air flows spirally to the direction of the feed inlet 51 under the guidance of the spiral air duct 55, flows through the plastic strip for multiple times, and the water on the plastic strip is evaporated and taken away each time the air flows through the plastic strip until the air flows out from the air outlet 57. The plastic strip just comes out of the water at one end of the feed inlet 51, so that the plastic strip has more water, and part of the water is taken away through multiple times of air evaporation in the process of moving to one end of the discharge outlet 52, so that the water on the plastic strip can be gradually reduced until the plastic strip is completely dried, and the plastic strip comes out of the discharge outlet 52.

The air-drying device that this embodiment provided through the air utilization many times with the air of fan 6 blowing in, on reaching the basis of air-drying the plastic strip, can reduce required amount of wind, and then can reduce the power of fan 6, practiced thrift the cost greatly.

As shown in fig. 4 and 5, the number of the driving roller groups 53 in the present embodiment is preferably two, and the driving roller groups are disposed near the feed port 51 and the discharge port 52, respectively. The axes of the two rolls in each drive roll set 53 are preferably parallel to the longitudinal direction of the feed port 51 and the discharge port 52, and preferably the nip space therebetween is directly opposed to the feed port 51 and the discharge port 52.

Preferably, a plurality of annular grooves 532 are further disposed on the cylindrical surface of the active roller 531, the annular grooves 532 are perpendicular to the axis of the active roller 531, and the plurality of annular grooves 532 are uniformly spaced along the axial direction of the active roller 531. The annular grooves 532 on the two driving rollers 531 in the driving roller group 53 are positioned corresponding to each other and are symmetrically arranged. The plastic strips are clamped in the two annular grooves 532 which correspond to the two driving rollers 531 up and down, so that the plastic strips are prevented from shaking in the axial direction of the driving rollers 531, and the stability of the movement of the plastic strips in the air drying device is improved.

As shown in fig. 4, in another preferred embodiment, at least one driven roller group 58 may be further disposed in the air drying box 5, where the driven roller group 58 includes two driven rollers 581, and the shapes and mutual correspondence of the two driven rollers 581 are the same as those of the two driving rollers 531 in the driving roller group 53, so that the description thereof will not be repeated here.

At least one driven roller set 58 is disposed between the two drive roller sets 53 for supporting the plastic strip. Accordingly, at least one driven roller group 58 and two drive roller groups 53 are preferably disposed parallel to each other.

Correspondingly, the size of the hole 541 in the spiral separator 54 is preferably larger than the size of the driven roller set 58, so as to accommodate the driven roller set 58, and avoid interference between the driven roller set 58 and the spiral separator 54.

Here, the driving roller group 53 in this embodiment may be provided with a power unit alone, or may be connected to a granulator, and the granulator may be provided with power. In order to clearly show the air drying device provided in this embodiment, the power device is not shown in the drawings.

According to the air drying device for the plastic film residue granulator, provided by the utility model, the power for moving the plastic strips is provided by the driving roller group 53, so that the pulling force of the granulator on the plastic strips is reduced, and further the plastic strips after air drying are prevented from being broken. In addition, the spiral air duct enables the air blown out by the fan 6 to be utilized for multiple times, the required air quantity is reduced when the air drying effect is achieved, and then the power of the fan 6 can be reduced, and the cost is saved.

Claims

1. The air drying device for the plastic film residue granulator is arranged between a water cooling tank and the granulator and used for air drying of water-cooled plastic strips and is characterized by comprising an air drying box (5), a fan (6) and a bracket (7) for supporting the air drying box (5) and the fan (6);

the plastic strip conveying device is characterized in that a feed inlet (51) and a discharge outlet (52) are respectively arranged at the front end and the rear end of the air drying box (5), a driving roller set (53) is arranged in the air drying box (5), the driving roller set (53) comprises two driving rollers (531) which are arranged in parallel, and the two driving rollers (531) are matched to clamp and move the plastic strip;

a spiral partition plate (54) is arranged in the air drying box (5) along the moving direction of the plastic strips, a spiral air channel (55) is formed between the spiral partition plate (54) and the inner wall of the air drying box (5), and holes (541) for the plastic strips to pass through are formed in the spiral partition plate (54);

an air inlet (56) and an air outlet (57) are respectively arranged on the side face of the air drying box (5), the air inlet (56) is close to the discharge port (52), and the air outlet (57) is close to the feed port (51);

the fan (6) is communicated with the air inlet (56).

2. An air drying apparatus for a residual film granulator as claimed in claim 1, wherein the number of said driving roller groups (53) is two.

3. An air drying apparatus for a residual film granulator according to claim 2, characterized in that two of said drive roller sets (53) are disposed adjacent to said feed inlet (51) and discharge outlet (52), respectively.

4. A residual film granulator air drying device according to claim 3, characterized in that the two driving rollers (531) of the driving roller set (53) are arranged in parallel up and down.

5. An air drying device for a residual film granulator as claimed in claim 4, wherein a plurality of annular grooves (532) are formed in the cylindrical surface of the driving roller (531), and the annular grooves (532) are uniformly spaced along the axial direction of the driving roller (531).

6. An air drying apparatus for a residual film granulator according to claim 5, wherein the annular grooves (532) on the two driving rolls (531) of the driving roll group (53) are located correspondingly and symmetrically.

7. A residual film granulator air drying device according to claim 3, characterized in that at least one driven roller group (58) is further arranged in the air drying box (5), and the driven roller group (58) is arranged between the two driving roller groups (53) and can support plastic strips.

8. An air drying apparatus for a residual film granulator as claimed in claim 7, wherein at least one of said driven roller group (58) and two drive roller groups (53) are disposed parallel to each other.

9. An air drying apparatus for a residual film granulator as claimed in claim 7, wherein the size of the hole (541) in the spiral partition (54) is larger than the size of the driven roller group (58).

10. An air drying apparatus for a residual film granulator according to claim 1, wherein the number of spiral turns of the spiral partition (54) is at least three.