WO2022110288A1

WO2022110288A1 - Drying device for manufacturing plastic products

Info

Publication number: WO2022110288A1
Application number: PCT/CN2020/134439
Authority: WO
Inventors: 朱建英
Original assignee: 吴江鼎泰电子材料有限公司
Priority date: 2020-11-24
Filing date: 2020-12-08
Publication date: 2022-06-02
Also published as: CN112549359A

Abstract

A drying device for manufacturing plastic products, the drying device comprising a base (2), a water storage tank (4) and a drying box (10). The water storage tank (4) is fixedly arranged on the base (2). Two supporting columns (6) are symmetrically arranged on the water storage tank (4). Left and right side walls of the drying box (10) are both installed between the two supporting columns (6) in a vertically slidable manner by means of sliding blocks (11). Side walls of the drying box (10) are of a hollow interlayer structure. Four rotary disks (12) are symmetrically and rotationally embedded in front and rear side walls of the drying box (10), wherein by means of bearings, two rotary cylinders (13) are rotationally installed between any two rotary disks (12), which are symmetrical front and back, in two groups of rotary disks. Each rotary cylinder (13) is annularly provided with a plurality of stirring rods (14) at equal intervals and is provided with a plurality of rows of air outlets (28) in an embedded manner. A hot air blower (24) is fixedly installed on one of any two rotary disks (12), which are symmetrical front and back, in two groups of rotary disks. In the device, plastic particles are continuously stirred, such that the plastic particles are efficiently and evenly heated and can be rapidly dried. Therefore, the device has a high efficiency and a good effect, and the overall quality of subsequent plastic products is guaranteed. The present invention has good economic benefits and practical significance.

Description

A drying device used in the manufacture of plastic products

technical field

The invention relates to the technical field of plastic product manufacturing, in particular to a drying device for plastic product manufacturing.

Background technique

Plastic refers to high molecular weight synthetic resin as the main component, adding appropriate additives, such as plasticizers, stabilizers, flame retardants, lubricants, colorants, etc., processed and molded plastic materials, or cured and cross-linked. Rigid materials, plastics are widely used, and are indispensable components in home appliances, automobiles, mobile phones, PCs, medical equipment, and lighting appliances. Most of plastic raw materials are extracted from some oils. The most familiar part of PC materials is Extracted from petroleum, PC material has a gasoline smell when it is burned; ABS is extracted from coal, and ABS will be in the form of soot when it is burned out; POM is extracted from natural gas, and POM is in There is a very smelly gas smell when it's done burning.

technical problem

Plastic products are usually obtained by melting plastic particles and then injecting them into a mold for cooling. The plastic particles need to be dried before being melted to remove moisture so as not to affect the quality of subsequent plastic products. The fan blows against the plastic particles. This method not only has slow drying speed and low efficiency, but also the plastic particles are not uniformly heated, resulting in poor drying effect. Therefore, the present invention proposes a drying device for the manufacture of plastic products. Solve the above problem.

technical solutions

The purpose of the embodiments of the present invention is to provide a drying device for manufacturing plastic products to solve the above problems.

To achieve the above object, the present invention provides the following technical solutions:

A drying device for manufacturing plastic products, comprising a base, a water storage tank and an oven, the water storage tank is fixed on the base, two supporting columns are symmetrically arranged on the water storage tank, and the left and right side walls of the oven are It is installed between two support columns by sliding the slider up and down. The side wall of the oven is a hollow sandwich structure. The bottom of the inner cavity of the water tank is provided with a plurality of electric heating pipes at equal distances from the front to the back. The end of the air guide hose away from the water storage tank extends into the hollow interlayer of the side wall of the oven. Four turntables are symmetrically embedded in the front and rear side walls of the oven and rotate. There are two rotating drums installed on the bearing. One of the two rotating drums is located at the center point of the two rotating disks, and the other is located on the outer side of the rotating disk. Each rotating drum is provided with a plurality of stirring rods at equal distances in the circumferential direction. And there are multi-exhaust nozzles embedded, and a hot air blower is fixedly installed on one of the two sets of two turntables with front and rear symmetry. One end of the pipe away from the hot air blower extends into the oven and is rotatably connected to and communicated with one end of the two rotating drums.

In an optional solution: two of the four turntables located on the same side wall of the oven are fixedly sleeved with external gear rings, and a second drive motor is fixedly installed on the side wall of the oven, and the second A drive gear is fixedly connected to the output shaft of the drive motor, and the drive gear meshes with the outer gears on the two turntables at the same time. A first drive motor is fixedly installed on one of the two sets of two turntables with front and rear symmetry, which is far from the hot air blower. The output shaft of the first driving motor extends into the oven and is connected with one end of one of the two rotating drums, and the two rotating drums are connected by a belt transmission mechanism.

In an optional solution: the top of the oven is provided with a box cover, the box cover is provided with a handle for easy opening and closing, and the water storage tank is provided with a water injection port for adding water to its interior and for balancing steam pressure relief valve.

In an optional solution, a plurality of rollers are symmetrically arranged at the bottom of the base, and the rollers are self-locking rollers.

In an optional solution: the side wall of the oven is provided with an insulating interlayer for reducing the dissipation of heat from the oven to the outside.

In an optional solution: the two support columns are provided with a chute for sliding up and down to clamp the slider, an elastic rod is fixedly installed at the bottom of the inner cavity of the chute, and the end of the elastic rod is far from the bottom of the inner cavity of the chute. It is fixedly connected to the sliding block, and a rotating rod is installed between the lower ends of the two support columns through bearings. The rotating rod is symmetrically sleeved with two driving cams for pressing against the bottom of the oven and driving it to circulate up and down. A rotating motor is fixedly installed on one of the supporting columns, and the output shaft of the rotating motor is connected with the rotating rod at one end.

In an optional solution: the elastic rod includes an insertion rod and an insertion cylinder, the insertion rod is slidably inserted in the insertion cylinder, and a spring is provided between one end of the insertion rod located in the insertion cylinder and the bottom of the inner cavity of the insertion cylinder.

beneficial effect

Compared with the prior art, the beneficial effects of the embodiments of the present invention are as follows:

1. The structure of the device is reasonable, the operation is simple, and the use is convenient. By constantly turning the plastic particles to make them heat up efficiently and evenly, it can be quickly dried, with high efficiency and good effect, ensuring the overall quality of subsequent plastic products. economic benefits and practical significance.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a front view of the oven in the embodiment of the present invention.

FIG. 3 is a rear view of the oven in the embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a rotating drum in an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a support column in an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of an elastic rod in an embodiment of the present invention.

FIG. 7 is a schematic structural diagram of a driving cam in an embodiment of the present invention.

Reference number notes: 1-roller, 2-base, 3-electric heating pipe, 4-water storage tank, 5-water injection port, 6-support column, 7-rotating rod, 8-drive cam, 9-insulation interlayer, 10-Oven, 11-Slider, 12-Turntable, 13-Rotating drum, 14-Stir rod, 15-Crate lid, 16-Handle, 17-Rotary motor, 18-Safety valve, 19-Air hose, 20 -Outer ring gear, 21-belt transmission mechanism, 22-first drive motor, 23-drive gear, 24-hot air blower, 25-split joint, 26-air duct, 27-power supply, 28-air outlet, 29- Elastic rod, 30-chute, 31-insertion rod, 32-insertion cylinder, 33-spring.

Embodiments of the present invention

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Example 1

Referring to FIGS. 1 to 7 , in an embodiment of the present invention, a drying device for manufacturing plastic products includes a base 2 , a water storage tank 4 and an oven 10 , and the water storage tank 4 is fixed on the base 2 , Two supporting columns 6 are symmetrically arranged on the water storage tank 4. The left and right side walls of the drying oven 10 are installed between the two supporting columns 6 by sliding up and down through the slider 11. Hold the chute 30 of the slider 11, the bottom of the inner cavity of the chute 30 is fixedly installed with an elastic rod 29, and the end of the elastic rod 29 away from the bottom of the inner cavity of the chute 30 is fixedly connected to the slider 11, and the elastic rod 29 includes an insertion rod 31 and the inserting cylinder 32, the inserting rod 31 is slidably inserted in the inserting cylinder 32, and a spring 33 is provided between one end of the inserting rod 31 located in the inserting cylinder 32 and the bottom of the inner cavity of the inserting cylinder 32, and the spring 33 can be placed in the oven 10 through the elastic rod 29. Sliding up and down plays a buffering role for it. Between the lower ends of the two support columns 6, a rotating rod 7 is installed through the bearing rotation. The rotating rod 7 is symmetrically sleeved with two pairs for resisting the bottom of the oven 10 and driving it up and down. The cyclically sliding driving cam 8, one of the two support columns 6 is fixedly installed with a rotary motor 17, the output shaft of the rotary motor 17 is connected with the rotating rod 7 at one end, and the rotating rod 7 is driven by the rotating motor 17 to rotate so that the two driving cams 8. Press against the bottom of the oven 10 and drive it to slide up and down, so as to overturn the plastic particles in the oven 10 to make them evenly heated and improve the drying efficiency and effect.

The side wall of the oven 10 is a hollow sandwich structure, and the bottom of the inner cavity of the water storage tank 4 is equidistantly provided with a plurality of electric heating pipes 3 for heating the water inside to generate steam, and the top of the electric heating pipes 3 is provided with an air guide soft tube. Pipe 19, the end of the air guide hose 19 away from the water storage tank 4 extends into the hollow interlayer of the side wall of the oven 10. When in use, a plurality of electric heating pipes 3 heat the water in the water storage tank 4 to generate steam and pass the air to soften it. The tube 19 enters into the hollow interlayer of the side wall of the oven 10 to increase the internal temperature of the oven 10 , and has a heating and drying effect on the plastic particles in the oven 10 .

The front and rear side walls of the oven 10 are symmetrically and rotatably embedded with four turntables 12 , wherein two rotating drums 13 are rotatably installed between the two sets of front and rear symmetrical two turntables 12 through bearings, and one of the two rotating drums 13 It is arranged at the center point of the two turntables 12, and the other one is arranged on the outer side of the turntable 12. Each of the rotating drums 13 is provided with a plurality of stirring rods 14 at equal distances in the circumferential direction and embedded with multiple exhaust nozzles 28. The air nozzles 28 and a plurality of stirring rods 14 are alternately arranged, and a hot air blower 24 is fixedly installed on one of the two front and rear symmetrical two turntables 12 of the two groups. Two air ducts 26, one end of the two air ducts 26 away from the hot air blower 24 all extend into the oven 10 and are respectively connected with one end of the two rotating drums 13 in a one-to-one rotation and communicate with it, and the turntable of the hot air blower 24 is installed. 12 is also independently provided with a power supply 27 for supplying power to the hot air blower 24, and the four turntables 12 are fixedly sleeved with external gear rings 20 on the side walls of the two turntables 12 on the same side wall of the oven 10, and the side walls of the oven 10 are A second drive motor (not shown in the figure) is fixedly installed on the upper, and a drive gear 23 is fixedly connected to the output shaft of the second drive motor. By driving the driving gear 23 to rotate by the second driving motor, the two sets of two front and rear symmetrical turntables 12 can be driven to rotate synchronously. The first driving motor is fixedly installed on the one of the two front and rear symmetrical two turntables 12 which is far away from the hot air blower 24 . 22, the output shaft of the first drive motor 22 extends into the oven 10 and is connected with one end of the two drums 13, and the two drums 13 are connected through the belt transmission mechanism 21, when the drying operation is performed. , the two first drive motors 22 drive the four rotating drums 13 to self-propagate, and the second drive motor drives the rotating drum 13 located on the outer side to revolve around the rotating drum 13 located on the center point of the turntable 12. At the same time, the hot air blower 24 The hot air is transported into the rotating drum 13 and sprayed evenly through each air outlet 28. The multiple stirring rods 14 on the four rotating drums 13 evenly turn the plastic particles in the oven 10, so as to achieve efficient and uniform drying of the plastic particles in the oven 10. dry purpose.

Further, the top of the oven 10 is provided with a box cover 15, the box cover 15 is provided with a handle 16 for opening and closing it, and the water storage tank 4 is provided with a water injection port 5 for adding water to its interior and for balancing the steam pressure. safety valve 18.

Further, in order to facilitate the movement of the device, a plurality of rollers 1 are symmetrically arranged at the bottom of the base 2, and the rollers 1 are self-locking rollers.

When in use, first place the plastic particles to be dried in the turntable 12 and close the box cover 15 , then start the plurality of electric heating pipes 3 , the rotating motor 17 , the first driving motor 22 , the second driving motor and the two hot air blowers 24 , a plurality of electric heating pipes 3 heat the water in the water storage tank 4 to generate steam and enter the hollow interlayer of the side wall of the oven 10 through the air guide hose 19 to increase the internal temperature of the oven 10, and the two first drive motors 22 drive four The rotating drum 13 is self-propelled, and the second driving motor drives the rotating drum 13 arranged on the outer side to revolve around the rotating drum 13 arranged on the center point of the turntable 12. The nozzles 28 are sprayed evenly, and the multiple stirring rods 14 on the four rotating drums 13 evenly turn the plastic particles in the oven 10 , and then cooperate with the rotating motor 17 to drive the rotating rod 7 to rotate so that the two driving cams 8 are pressed against the bottom of the oven 10 . And drive it to circulate up and down, so that the plastic particles in the oven 10 are efficiently and evenly heated during the continuous turning process, so that the drying is faster and the effect is better.

Example 2

Further, in order to reduce heat loss and improve the thermal insulation effect of the oven 10 , the side wall of the oven 10 is provided with an insulating interlayer 9 for reducing the dissipation of heat from the oven to the outside.

The working principle of the present invention is as follows: when the present invention is in use, the plastic particles to be dried are first placed in the turntable 12 and the box cover 15 is closed, and then a plurality of electric heating tubes 3, the rotating motor 17, the first driving motor 22, the first driving motor 22, the Two driving motors and two hot air blowers 24, a plurality of electric heating pipes 3 heat the water in the water storage tank 4 to raise the temperature to generate steam and enter the hollow interlayer of the side wall of the oven 10 through the air guide hose 19 to increase the internal temperature of the oven 10. The first driving motor 22 drives the four rotating drums 13 to self-propagate, and the second driving motor drives the rotating drum 13 located on the outer side to revolve around the rotating drum 13 located on the center point of the turntable 12. At the same time, the hot air blower 24 rotates. The hot air is transported in the cylinder 13 and sprayed out evenly through each air outlet 28. The multiple stirring rods 14 on the four rotating cylinders 13 evenly turn the plastic particles in the oven 10, and then cooperate with the rotating motor 17 to drive the rotating rod 7 to rotate so that the two The driving cams 8 press against the bottom of the oven 10 and drive it to slide up and down circularly, so that the plastic particles in the oven 10 are efficiently and evenly heated during the continuous turning process, so that the drying is faster and the effect is better.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims

A drying device for manufacturing plastic products, comprising a base (2), a water storage tank (4) and an oven (10), characterized in that the water storage tank (4) is fixedly arranged on the base (2) , two supporting columns (6) are symmetrically arranged on the water storage tank (4), and the left and right side walls of the drying oven (10) are installed between the two supporting columns (6) by sliding up and down through the slider (11). 10) The side wall is a hollow sandwich structure, the bottom of the inner cavity of the water storage tank (4) is provided with a plurality of electric heating pipes (3) equidistant from front to back, and the top of the electric heating pipe (3) is provided with an air guide hose (19) , the end of the air guide hose (19) away from the water storage tank (4) extends into the hollow interlayer of the side wall of the oven (10);

Four turntables (12) are symmetrically and rotatably embedded on the front and rear side walls of the oven (10), and two turntables (13) are rotatably installed between the two sets of front and rear symmetrical turntables (12) through bearings. One of the two rotating drums (13) is located at the center point of the two rotating disks (12), and the other is located on the outer side of the rotating disk (12). A stirring rod (14) and multiple exhaust nozzles (28) are embedded, and a hot air blower (24) is fixedly installed on one of the two sets of front and rear symmetrical turntables (12). The air outlet of the hot air blower (24) Two air ducts (26) are tapped on the end through the shunt joint (25), and the ends of the two air ducts (26) away from the hot air blower (24) both extend into the oven (10) and correspond to each other one by one. One end of the two rotating drums (13) is rotatably connected and communicated with them, and the turntable (12) equipped with the hot air blower (24) is also independently provided with a power supply (27) for supplying power to the hot air blower (24).
The drying device for manufacturing plastic products according to claim 1, characterized in that, among the four rotary discs (12), two rotary discs (12) located on the same side wall of the oven (10) are both on the side walls. The fixed sleeve is provided with an external gear ring (20), a second drive motor is fixedly installed on the side wall of the oven (10), and a drive gear (23) is fixedly connected to the output shaft of the second drive motor, and the drive gear (23) is connected with the two The outer ring gears (20) on the two turntables (12) mesh at the same time, and a first drive motor (22) is fixedly installed on the one of the two turntables (12) which are symmetrical in front and rear of the two groups, far from the hot air blower (24). The output shaft of a driving motor (22) extends into the oven (10) and is connected with one end of one of the two drums (13), and the two drums (13) are connected by a belt transmission mechanism (21) .
The drying device for manufacturing plastic products according to claim 1, characterized in that a box cover (15) is provided on the top of the oven (10), and the box cover (15) is provided with a convenient opening and closing device. The handle (16) and the water storage tank (4) are provided with a water injection port (5) for adding water to the inside thereof and a safety valve (18) for balancing the steam pressure.
The drying device for manufacturing plastic products according to claim 1, wherein a plurality of rollers (1) are symmetrically arranged at the bottom of the base (2), and the rollers (1) are self-locking rollers.
The drying device for manufacturing plastic products according to claim 1, characterized in that, a heat insulating interlayer (9) for reducing the dissipation of heat from the oven (10) to the outside is provided in the side wall of the oven (10).
The drying device for manufacturing plastic products according to claim 1, characterized in that, the two support columns (6) are provided with chute (30) for sliding and clamping the slider (11) up and down. , an elastic rod (29) is fixedly installed at the bottom of the inner cavity of the chute (30), and the end of the elastic rod (29) away from the bottom of the inner cavity of the chute (30) is fixedly connected to the slider (11), and the two support columns (6 A rotating rod (7) is rotatably installed between the lower ends of the oven (10) through a bearing, and two driving cams (8) are symmetrically sleeved on the rotating rod (7) for abutting against the bottom of the oven (10) and driving it to circulate up and down. A rotary motor (17) is fixedly installed on one of the two support columns (6), and the output shaft of the rotary motor (17) is connected with the rotating rod (7) at one end.
The drying device for manufacturing plastic products according to claim 6, wherein the elastic rod (29) comprises an insertion rod (31) and an insertion cylinder (32), and the insertion rod (31) is slidably inserted. In the insertion sleeve (32), a spring (33) is provided between one end of the insertion rod (31) located in the insertion sleeve (32) and the bottom of the inner cavity of the insertion sleeve (32).