CN213227130U

CN213227130U - Multi-stage plastic dryer

Info

Publication number: CN213227130U
Application number: CN202022150866.4U
Authority: CN
Inventors: 王海军
Original assignee: Xiangyang Xinnan Bearing Co ltd
Current assignee: Xiangyang Xinnan Bearing Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-18
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a multi-stage plastic dryer, which comprises a cylindrical drying barrel and a funnel-shaped screen protector connected to the lower end of the cylindrical drying barrel, wherein the top of the drying barrel is provided with a feed inlet, the inside of the drying barrel is provided with a material distribution mechanism, the material distribution mechanism comprises a rotating shaft, a plurality of material distribution discs which are fixed on the rotating shaft along the axial direction of the rotating shaft at equal intervals, and a funnel-shaped baffle plate arranged at the lower end of the material distribution discs, the rotating shaft penetrates out of the top of the drying barrel and is connected with a motor, the big end of the baffle plate is completely attached to the inner side wall of the drying barrel, and small holes are uniformly distributed on the baffle plate, so that plastic particle raw materials can be continuously mixed and dispersed in the descending process, the plastic raw materials are more uniformly and fully heated, the plastic raw, the drying effect is better.

Description

Multi-stage plastic dryer

Technical Field

The utility model relates to an injection molding machine technical field, in particular to multistage formula plastics drying-machine.

Background

The plastic raw materials used in the process of producing plastic products by the injection molding machine are generally granules, however, the plastic particle raw materials are easily affected with damp in the process of storage and transportation, and in order to ensure the better quality of the plastic products, the plastic particle raw materials need to be dried before entering the injection molding machine for processing.

The chinese utility model patent with publication number CN209507085U discloses a plastic particle suction machine, which comprises a hopper, a dryer, a storage vat and a vacuum pump, wherein the discharge port of the hopper is communicated with the feed port of the dryer, the hopper is respectively connected with the storage vat and the vacuum pump through a feed pipe and an air suction pipe, the inner wall of the dryer is provided with a spiral air pipe for supplying air through an air inlet pipe, and the spiral air pipe is uniformly provided with air outlets; the material distributing block is arranged below the feeding hole of the drying machine and is conical, and the material distributing block is fixedly arranged at the top of the inner side of the drying machine through a diagonal draw bar.

The above patents suffer from the following drawbacks: the plastic granules raw materials that are dispersed in the feed inlet department of desiccator in above-mentioned patent still can pile up in the bottom of desiccator very fast under self action of gravity, and the in-process that the plastic granules raw materials dropped vertically in the desiccator also can't be effectively dried to, the plastic granules raw materials drying that finally comes out from the desiccator bottom is not thorough, is unfavorable for subsequent production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistage formula plastics drying-machine has advantages such as simple structure, drying effect are good.

The above technical purpose of the present invention can be achieved by the following technical solutions: including columniform drying barrel and connect in the hourglass hopper-shaped screen protector of the lower extreme of columniform drying barrel, the top of drying barrel is provided with the feed inlet, the inside of drying barrel is provided with feed mechanism, feed mechanism includes the pivot, a plurality of branch charging trays in the pivot are fixed in along the axial equidistance of pivot, set up in the hourglass hopper-shaped baffle of the lower extreme of branch charging tray, the top that drying barrel was worn out in the pivot is connected with the motor, the main aspects of baffle and the inside wall of drying barrel are laminated completely, evenly distributed has the aperture on the baffle, be connected with first air-supply line on the lateral wall of screen protector, the one end that screen protector was kept away from to first air-supply line is connected with the fan, the inside that the one end of first air-supply line.

Through adopting above-mentioned technical scheme, the at first branch charging tray that falls behind in the feed inlet entering drying barrel of conglomerate plastic granules raw materials follow drying barrel, motor drive divides the charging tray rotation, rotatory branch charging tray is with the plastic granules raw materials dispersion on it unrestrained, the plastic granules raw materials that scatter from dividing the charging tray drop on the hourglass hopper-shaped baffle of branch charging tray lower extreme, the plastic granules raw materials along the lateral wall landing of baffle to next-level branch charging tray on, so relapse, constantly disperse at the plastic granules raw materials, the in-process of landing, hot-blast continuous follow first air-supply line lets in the screen protector in, up-blowing is followed to hot-blast, carry out the drying to the plastic granules raw materials.

The utility model discloses a further set up to: the first air inlet pipe is provided with a plurality of second air inlet pipes, the second air inlet pipes are communicated with the side wall of the drying barrel, and the second air inlet pipes are uniformly distributed along the side wall of the drying barrel from top to bottom.

Through adopting above-mentioned technical scheme, in hot-blast second air-supply line insufflates the drying barrel, can follow the radial plastic granules raw materials that the drying barrel carries out the drying to the plastic granules raw materials, through cooperateing with first air-supply line, the drying effect of plastic granules raw materials is better, and many second air-supply lines are along the lateral wall of drying barrel from last down evenly distributed, and hot-blast in the drying barrel is more even along axial distribution.

The utility model discloses a further set up to: grooves are distributed on the distributing disc in an annular array manner.

Through adopting above-mentioned technical scheme, the design of recess makes the dispersion of the plastic granules raw materials that drops on the branch charging tray unrestrained easier.

The utility model discloses a further set up to: a filter screen is fixedly embedded at the joint of the air outlet pipe and the drying barrel.

Through adopting above-mentioned technical scheme, hot-blast in-process to carrying out the drying to the plastic granules raw materials also can take away the dust on the plastic granules raw materials, and the hot-blast discharge that is filtered for clean after passing through the filter screen that has the dust.

The utility model discloses a further set up to: the bottom of the screen protector is provided with a discharge hole.

By adopting the technical scheme, the dried plastic particle raw material enters the next process equipment through the discharge hole.

The utility model discloses a further set up to: the heating tube is spiral.

By adopting the technical scheme, the contact area of the spiral heating pipe and air is large, and high-efficiency heat exchange can be realized.

The utility model has the advantages that: the utility model discloses a setting of rotatable branch charging tray for the agglomerated plastic granules raw materials that get into in the drying bucket is dispersed effectively and is come, and setting up of multistage dispersion dish cooperation multistage baffle makes the in-process that the plastic granules raw materials descends in the drying bucket can be constantly mixed, dispersed, therefore being heated of plastic granules raw materials can be more even abundant, compares the interior plastic granules raw materials vertically decline route of traditional desiccator, the utility model discloses the plastic granules raw materials can obtain with hot-blast longer contact stroke, and drying effect is better, and the design of multistage baffle can also effectively avoid the plastic granules raw materials to pile up in the bottom of desiccator and form the bridging phenomenon, and whole heat utilization ratio is higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of the multi-stage plastic dryer of the present invention.

Fig. 2 is a sectional view of the multi-stage plastic dryer of the present invention.

In the figure, 1, a drying barrel; 2. a screen protector; 3. a feed inlet; 4. a rotating shaft; 5. distributing disks; 6. a baffle plate; 7. a motor; 8. a first air inlet pipe; 9. a fan; 10. heating a tube; 11. an air outlet pipe; 12. a second air inlet pipe; 13. a groove; 14. and (4) a filter screen.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 and 2, the utility model provides a multistage plastic dryer, which comprises a cylindrical drying barrel 1 and a funnel-shaped screen protector 2 connected to the lower end of the cylindrical drying barrel 1, the top of the drying barrel 1 is provided with a feed inlet 3, the bottom of the screen protector 2 is provided with a discharge outlet, the inside of the drying barrel 1 is provided with a material distribution mechanism, the material distribution mechanism comprises a rotating shaft 4, a plurality of material distribution discs 5 equidistantly fixed on the rotating shaft 4 along the axial direction of the rotating shaft 4, a funnel-shaped baffle 6 arranged at the lower end of the material distribution discs 5, the top of the rotating shaft 4 penetrating out of the drying barrel 1 is connected with a motor 7, annular array distribution grooves 13 are arranged on the material distribution discs 5, the large end of the baffle 6 is completely attached to the inner side wall of the drying barrel 1, small holes are uniformly distributed on the baffle 6, a first air inlet pipe 8 is connected to the side wall of the screen protector 2, one end, the inside of the one end that first air-supply line 8 is close to the air outlet of fan 9 is provided with spiral heating pipe 10, and the top of drying bucket 1 is provided with out tuber pipe 11, and the fixed filter screen 14 that has inlayed in the junction of play tuber pipe 11 and drying bucket 1, is provided with second air-supply line 12 on the first air-supply line 8, and the quantity of second air-supply line 12 is many, and second air-supply line 12 communicates with the lateral wall of drying bucket 1, and second air-supply line 12 is from last down evenly distributed along the lateral wall of drying bucket 1.

The utility model discloses can be so that the plastic granules raw materials is constantly mixed, dispersed at the in-process that descends, the plastics raw materials be heated more evenly abundant, and the plastics raw materials neither can pile up and form the bridging phenomenon in the bottom of desiccator, also can obtain bigger stroke of being heated, and drying effect is better.

The working principle of the multi-stage plastic dryer is as follows:

the agglomerated plastic particle raw materials enter the drying barrel 1 from the feed inlet 3 at the top of the drying barrel 1 and then fall on the material distribution disk 5, the motor 7 drives the material distribution disk 5 to rotate, the plastic particle raw materials on the rotating material distribution disk 5 are scattered and scattered, the plastic particle raw materials scattered on the material distribution disk 5 fall on the funnel-shaped baffle 6 at the lower end of the material distribution disk 5, the plastic particle raw materials slide down to the next-stage material distribution disk 5 along the side wall of the baffle 6, the process is repeated, the plastic particle raw materials are scattered continuously, and in the sliding process, hot air introduced into the screen protector 2 from the first air inlet pipe 8 is blown upwards continuously from the bottom, hot air in the second air inlet pipes 12 is introduced continuously along the radial direction of the drying barrel 1, and the plastic particle raw materials are dried fully.

Claims

1. The utility model provides a multistage formula plastics drying-machine, includes columniform drying tub (1) and connects in the hourglass hopper-shaped screen protector (2) of the lower extreme of columniform drying tub (1), its characterized in that: the top of the drying barrel (1) is provided with a feed inlet (3), the inside of the drying barrel (1) is provided with a material distribution mechanism, the material distribution mechanism comprises a rotating shaft (4), a plurality of material distribution discs (5) fixed on the rotating shaft (4) along the axial equidistance of the rotating shaft (4), and funnel-shaped baffles (6) arranged at the lower ends of the material distribution discs (5), the top of the rotating shaft (4) penetrating out of the drying barrel (1) is connected with a motor (7), the large end of each baffle (6) is completely attached to the inner side wall of the drying barrel (1), small holes are uniformly distributed on each baffle (6), the side wall of the screen protector (2) is connected with a first air inlet pipe (8), one end of each first air inlet pipe (8), which is far away from the screen protector (2), is connected with a fan (9), and the inside of one end, which is close to the air outlet of the fan (9), of the first, an air outlet pipe (11) is arranged at the top of the drying barrel (1).

2. The multi-stage plastic dryer as claimed in claim 1, wherein: be provided with second air-supply line (12) on first air-supply line (8), the quantity of second air-supply line (12) is many, second air-supply line (12) and the lateral wall intercommunication of drying bucket (1), second air-supply line (12) are from last down evenly distributed along the lateral wall of drying bucket (1).

3. The multi-stage plastic dryer as claimed in claim 1, wherein: grooves (13) are distributed on the distributing disc (5) in an annular array.

4. The multi-stage plastic dryer as claimed in claim 1, wherein: a filter screen (14) is fixedly embedded at the joint of the air outlet pipe (11) and the drying barrel (1).

5. The multi-stage plastic dryer as claimed in claim 1, wherein: and a discharge hole is formed in the bottom end of the screen protector (2).

6. The multi-stage plastic dryer as claimed in claim 1, wherein: the heating pipe (10) is spiral.