CN217210130U

CN217210130U - Plastic particle drying device

Info

Publication number: CN217210130U
Application number: CN202220381984.2U
Authority: CN
Inventors: 龚祖友
Original assignee: Chongqing Anfeng Plastic Technology Co ltd
Current assignee: Chongqing Anfeng Plastic Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-16
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the technical field of plastic piece production, and discloses a plastic particle drying device; the utility model discloses a plastic granules drying device includes fan, heater and workbin, the gas outlet of fan is connected with the air inlet of heater, the gas outlet of heater is connected with the lower part of workbin, the workbin is equipped with the division board, the division board sets up above the junction of heater and workbin, and divide the inner chamber of workbin into upper and lower two parts, still be equipped with the air vent that supplies the circulation of air and the punishment in advance hole that supplies plastic granules to pass through on the division board; the side wall of the feed box is also provided with a discharge port which can be opened and closed, and the discharge port is arranged below the isolation plate; and a lifting mechanism is further arranged in the lower area of the inner cavity of the material box, a plug is further arranged on the lifting mechanism, and the lifting mechanism can lift to enable the plug to be close to and seal the material passing hole or to be far away from and open the material passing hole. The distribution effect of hot air in the material box can be improved, and the drying quality of plastic particles is improved.

Description

Plastic particle drying device

Technical Field

The utility model relates to a working of plastics production technical field, concretely relates to plastic granules drying device.

Background

The plastic pellet dryer is a device for drying plastic pellets entering a subsequent process so that moisture in the plastic pellets is treated in advance.

The existing plastic particle drying equipment sucks air through a fan, heats the sucked air to the drying temperature of raw materials through a heater, and then sends the heated air into a material box from an air inlet at the bottom of the material box to dry plastic particles. Due to the blocking of the plastic particles, most of the hot air flows upwards from the area close to one side of the air inlet and then flows out of the bin; and the hot air flowing through the side far away from the air inlet is less, so that the plastic particles at the side far away from the air inlet cannot be fully dried, and the quality of the finished part is affected finally.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a plastic particle drying device; the distribution effect of hot air in the material box is improved, and the drying quality of plastic particles is improved.

In order to achieve the purpose, the utility model discloses a plastic granules drying device includes fan, heater and workbin, the gas outlet of fan is connected with the air inlet of heater, the gas outlet of heater is connected with the lower part of workbin, be equipped with the division board in the workbin, the division board sets up the top of heater and workbin junction to divide the inner chamber of workbin into upper and lower two parts, still be equipped with the air vent that supplies the circulation of air and the punishment in advance hole that supplies the plastic granules to pass through on the division board; the side wall of the feed box is also provided with a discharge port which can be opened and closed, and the discharge port is arranged below the isolation plate; and the lifting mechanism is arranged in the lower region of the inner cavity of the material box, and is also provided with a plug, and the lifting mechanism can lift to enable the plug to be close to and seal the material passing hole or to be far away from and open the material passing hole.

In one embodiment, the lifting mechanism comprises a lifting rod and a control rod, the lifting rod is vertically arranged and is screwed on the material box, and the plug is arranged at the upper end of the lifting rod; the control rod is transversely arranged and rotatably arranged on the material box, one end of the control rod is in transmission connection with the lower end of the lifting rod, the other end of the control rod extends out of the material box, and the control rod can rotate to enable the lifting rod to rotate and drive the plug to lift.

In one embodiment, a first bevel gear is arranged at the lower end of the lifting rod, the first bevel gear is slidably sleeved on the lifting rod and can rotate coaxially and synchronously with the lifting rod, and a second bevel gear is fixedly arranged on the control rod and meshed with the first bevel gear.

In one embodiment, a hand wheel is further arranged at one end of the control rod, which extends out of the material box.

In one embodiment, the plug is provided with a vent for air to flow through.

In one embodiment, the plug is in a cylindrical structure with a downward opening, the top surface of the plug is an upward convex spherical surface, and vent holes are uniformly arranged on the top wall and the side wall of the plug at intervals.

The plastic particle drying device in the technical scheme at least has the following advantages:

(1) during the use, in the upper portion inner chamber of workbin was deposited to the plastic granules, hot-air goes into the lower part inner chamber of workbin after the heating, again through the upper portion inner chamber that division board flowed into the workbin, carries out the drying to the plastic granules, and hot-air does not have the plastic granules in the inner chamber of lower part to block, and the division board makes the even reposition of redundant personnel of hot-air, makes the plastic granules can fully dry.

(2) The control rod rotates and drives the plug to open or close the material passing hole through the lifting rod to control the dried plastic particle discharging, and the operation is simple and convenient.

(3) The lifting rod and the control rod are in meshing transmission with the first bevel gear through the second bevel gear, the structure is simple, and the maintenance is convenient.

(4) The blocking is provided with the vent hole, so that hot air can pass through the blocking, and the plastic particles are dried more fully.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a front partial sectional view of a plastic pellet drying apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view A shown in FIG. 1;

reference numerals are as follows:

1-a feed box, 11-a material storage barrel, 12-a base barrel, 121-a discharge port, 13-a partition plate, 131-a vent hole, 132-a material passing hole, 14-a lifting mechanism, 141-a lifting rod, 142-a control rod, 143-a first bevel gear, 144-a second bevel gear, 145-a hand wheel, 15-a plug, 2-a fan and 3-a heater.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, an embodiment of a plastic pellet drying apparatus includes: fan 2, heater 3 and workbin 1, it can improve the reposition of redundant personnel effect of hot-air in workbin 1, makes the plastic granules fully dry, improves the drying quality of plastic granules.

Specifically, an air outlet of the fan 2 is connected with an air inlet of the heater 3, and an air outlet of the heater 3 is connected with the lower part of the feed box 1. The heater 3 is used to heat air to a suitable temperature for drying the plastic granules. The fan 2 is used to pressurize the air so that it passes through the heater 3 and into the cabinet 1 for drying. The air inlet of the fan 2 can directly suck in outside air, or the air outlet of the material box 1 is connected to recycle the air. The fan 2 and the heater 3 may have a structure of the prior art.

A separation plate 13 is arranged in the feed box 1. The partition plate 13 is arranged above the connection part of the heater 3 and the feed box 1 and divides the inner cavity of the feed box 1 into an upper part and a lower part. The isolation plate 13 is further provided with a vent hole 131 for air circulation and a material passing hole 132 for plastic particles to pass through. The upper region of the inner chamber divided by the partition plate 13 is used for placing the plastic granules to be dried. The lower region of the inner cavity divided by the partition plate 13 is used for collecting the hot air after the heater 3. The ventilation holes 131 are uniformly spaced on the partition plate 13, so that the hot air can be distributed uniformly into the upper region of the inner cavity partitioned by the partition plate 13 through the ventilation holes 131. The material passing hole 132 is used for discharging after the drying is completed. Specifically, the material box 1 comprises a material storage cylinder 11 and a base cylinder 12, the lower end of the material storage cylinder 11 is connected with the top end of the base cylinder 12, and the inner cavities of the material storage cylinder 11 and the base cylinder 12 jointly form the inner cavity of the material box 1. The top of the storage barrel 11 is provided with a storage box cover and an air outlet interface. The isolation plate 13 is arranged at the joint of the storage barrel 11 and the base barrel 12, and separates the inner cavity of the storage barrel 11 from the inner cavity of the base barrel 12. The material passing hole 132 is provided at the lowermost portion of the partition plate 13. In one embodiment, the storage cylinder 11 is a cylindrical structure, and the base cylinder 12 is a conical cylinder structure with a large top and a small bottom. During the use, in the upper portion inner chamber of workbin 1 was deposited to the plastic granules, hot-air goes into the lower part inner chamber of workbin 1 after the heating, flows into the upper portion inner chamber of workbin 1 through division board 13 again, carries out the drying to the plastic granules, and hot-air does not have the plastic granules to block in the lower part inner chamber, and division board 13 makes the even reposition of redundant personnel of hot-air, makes the plastic granules can fully dry.

The side wall of the feed box 1 is also provided with a discharge hole 121 which can be opened and closed. The discharge port 121 is disposed below the partition plate 13. In particular, the discharge opening 121 is used for discharging plastic particles in the bin 1. In one embodiment, the outlet 121 is disposed at the bottom of the base cylinder 12. The discharge port 121 is opened and closed by a sliding shutter.

The lower region of the inner cavity of the material box 1 is also provided with a lifting mechanism 14. The elevator mechanism 14 is also provided with a plug 15. The elevating mechanism 14 can be elevated to enable the plug 15 to approach and close the material passing hole 132 or to move away and open the material passing hole 132. Specifically, the plug 15 is raised 5 to close and close the feed hole 132. When the plug 15 descends, the plug is far away from and opens the material passing hole 132, so that plastic particles are discharged through the material passing hole 132 and the discharge hole 121 in sequence. In one embodiment, the lift mechanism 14 includes a lift lever 141 and a control lever 142. The lifting rod 141 is vertically arranged and screwed on the material box 1, and the plug 15 is arranged at the upper end of the lifting rod 141. The control rods 142 are arranged transversely and rotatably on the magazine 1. One end of the control rod 142 is connected with the lower end of the lifting rod 141 in a transmission way, and the other end of the control rod 142 extends out of the material box 1. Rotation of the control rod 142 causes the lifting rod 141 to rotate and lift the plug 15. The control rod 142 rotates to drive the plug 15 to open or close the material passing hole 132 through the lifting rod 141 to control the dried plastic particle discharging, and the operation is simple and convenient. Specifically, the lower end of the lifting rod 141 is provided with a first bevel gear 143. The first bevel gear 143 is slidably fitted over the lifting rod 141, and can rotate coaxially and synchronously with the lifting rod 141. The control rod 142 is fixedly provided with a second bevel gear 144, and the second bevel gear 144 is meshed with the first bevel gear 143. The first bevel gear 143 is disposed coaxially with the lifting rod 141, and a through hole for the lifting rod 141 to pass through is disposed on the first bevel gear 143. The cross section of the via hole is configured to match the cross sectional shape of the lower end of the lifting rod 141, so that the first bevel gear 143 rotates in synchronization with the lifting rod 141. It is understood that the cross section of the via hole may be arranged in a spline shape, a polygonal shape, etc. in cooperation with the lower end of the lifting rod 141. The lifting rod 141 and the control rod 142 are in meshed transmission with the first bevel gear 143 through the second bevel gear 144, and the lifting rod is simple in structure and convenient to maintain. In one embodiment, the control rod 142 is further provided with a hand wheel 145 at the end extending out of the magazine 1. To facilitate rotation of the control lever 142.

In one embodiment, the plug 15 is provided with a vent hole 131 through which air flows. Specifically, the plug 15 is of a cylindrical structure with a downward opening, the top surface of the plug 15 is of an upward convex spherical surface, and vent holes 131 are uniformly arranged on the top wall and the side wall of the plug 15 at intervals. The lifting mechanism 14 is lifted to insert or extract the top of the plug 15 into or out of the material passing hole 132, so as to open and close the material passing hole 132. The vent hole 131 facilitates hot air to enter the storage barrel 11 through the plug 15, so that plastic particles are dried more fully. In one embodiment, the partition plate 13 is a tapered annular plate having a large top and a small bottom. The central hole of the isolation plate 13 is a material passing hole 132. The air vents 131 are evenly spaced around the material passing hole 132 in the partition plate 13.

According to the plastic particle drying device in the technical scheme, when plastic particles are dried, the blockage 15 seals the material passing hole 132 in the upper inner cavity of the material box 1 for storing the plastic particles. The heated hot air is fed into the lower inner cavity of the box 1, and then flows into the upper inner cavity of the box 1 through the vent holes 131 on the partition plate 13 to dry the plastic particles; the hot air does not have plastic granules to block in lower part inner chamber, and division board 13 makes the even reposition of redundant personnel of hot air, makes plastic granules can fully dry, improves plastic granules's drying quality.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A plastic particle drying device comprises a fan, a heater and a material box, and is characterized in that an air outlet of the fan is connected with an air inlet of the heater, an air outlet of the heater is connected with the lower part of the material box, a partition plate is arranged in the material box, is arranged above the connection part of the heater and the material box and divides an inner cavity of the material box into an upper part and a lower part, and an air hole for air circulation and a material passing hole for plastic particles to pass through are also arranged on the partition plate; the side wall of the feed box is also provided with a discharge port which can be opened and closed, and the discharge port is arranged below the isolation plate; and the lifting mechanism is arranged in the lower region of the inner cavity of the material box, and is also provided with a plug, and the lifting mechanism can lift to enable the plug to be close to and seal the material passing hole or to be far away from and open the material passing hole.

2. The plastic pellet drying apparatus as claimed in claim 1, wherein said elevating mechanism comprises an elevating rod and a control rod, said elevating rod is vertically disposed and screw-mounted on said hopper, said stopper is disposed at an upper end of said elevating rod; the control rod is transversely arranged and rotatably arranged on the material box, one end of the control rod is in transmission connection with the lower end of the lifting rod, the other end of the control rod extends out of the material box, and the control rod can rotate to enable the lifting rod to rotate and drive the plug to lift.

3. The plastic particle drying device as claimed in claim 2, wherein a first bevel gear is provided at the lower end of the lifting rod, the first bevel gear is slidably sleeved on the lifting rod and can rotate coaxially and synchronously with the lifting rod, a second bevel gear is fixedly provided on the control rod, and the second bevel gear is engaged with the first bevel gear.

4. The plastic pellet drying apparatus of claim 2 wherein a hand wheel is provided at the end of the control rod extending out of the hopper.

5. The plastic pellet drying appliance of claim 1 wherein said plug is provided with a vent for the passage of air.

6. The plastic pellet drying apparatus of claim 5 wherein said plug is in the form of a downwardly opening barrel, said plug top surface is in the form of an upwardly convex spherical surface, and said plug top and side walls are uniformly spaced with vent holes.