CN216578727U

CN216578727U - Constant temperature device for modified plastic process

Info

Publication number: CN216578727U
Application number: CN202122585622.3U
Authority: CN
Inventors: 吴锦添; 潘军
Original assignee: Shenzhen Jinjia Plastic Craft Co ltd
Current assignee: Shenzhen Jinjia Plastic Craft Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-24
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a constant temperature device for a modified plastic process, which comprises a drying box, wherein a stirring device is arranged in the drying box, an annular cavity is arranged in a shell of the drying box, supporting plates are arranged on both sides of the drying box, an air heater is arranged on each supporting plate, a guide pipe is connected to each air heater, one end of each guide pipe is connected with the annular cavity, a hot air port is formed in one side of the annular cavity on the shell of the drying box, an air outlet assembly with a constant temperature keeping function is arranged on each hot air port, a feeding barrel is arranged at the top of the drying box, a feeding assembly with a temperature reduction prevention function is arranged in each feeding barrel, a discharging pipe is arranged at the bottom of the drying box, and a control valve is arranged on each discharging pipe; has the advantages that: the drying device ensures the uniformity of the drying of the hot air source on the interior of the drying box through the air outlet assembly, and simultaneously ensures the constant temperature of the feeding port when feeding materials through the feeding assembly, thereby ensuring the drying quality of the modified plastics.

Description

Constant temperature device for modified plastic process

Technical Field

The utility model relates to the technical field of modified plastic processes, in particular to a constant temperature device for a modified plastic process.

Background

The plastic is a material using high molecular polymer as main component, and is formed from synthetic resin and additives of filler, plasticizer, stabilizing agent, lubricant and colouring material, and is fluid in the course of production and processing so as to make it convenient for moulding, and can be made into solid form when the processing is completed. The modified plastic is a plastic product which is processed and modified by methods such as filling, blending, reinforcing and the like on the basis of general plastics and engineering plastics and has improved performances such as flame retardance, strength, impact resistance, toughness and the like.

During the modified plastic processing technology, the modified plastic needs to be dried, the existing modified plastic drying treatment is generally carried out in a heating and blowing mode, but only one part of the modified plastic is dried by a hot air source, so that the modified plastic is not uniformly dried, and the heat in a drying box is easily dissipated by feeding materials into a feeding hole, so that the quality of the modified plastic is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a constant temperature device for a modified plastic process, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a constant temperature equipment for modified plastics technology, includes the stoving case, the inside of stoving case is provided with agitating unit, the inside annular cavity that is provided with of casing of stoving case, the both sides of stoving case all are provided with the backup pad, be provided with the air heater in the backup pad, be connected with the pipe on the air heater, be connected between the one end of pipe and the annular cavity, the hot-blast mouth has been seted up to the one side that lies in annular cavity on the casing of stoving case, the last air-out subassembly that keeps the constant temperature function that has of hot-blast mouth, the top of stoving case is provided with a feeding section of thick bamboo, the inside of a feeding section of thick bamboo sets up the feeding subassembly that has the function of preventing cooling, the bottom of stoving case is provided with the discharging pipe, be provided with the control valve on the discharging pipe.

Preferably, the hot-blast mouthful is provided with the multiunit, and multiunit hot-blast mouthful arranges the distribution from top to bottom along annular chamber body surface, and every hot-blast mouthful of group is provided with a plurality ofly, and a plurality of hot-blast mouths are the circumference around annular chamber body surface and distribute, the hot-blast mouth is horn type through-hole structure.

Preferably, the air-out subassembly includes the shrouding, the shrouding is located the wind gap department of hot-blast mouthful, and welds on the shells inner wall of stoving case, the ventilation hole has been seted up on the shrouding, it is provided with the filter screen on the ventilation hole to be located on the shrouding.

Preferably, a blocking block is arranged at the communication position between the hot air port and the annular cavity, the blocking block is movably inserted on the hot air port, and a return spring is arranged between the blocking block and the sealing plate.

Preferably, the inside of a feeding section of thick bamboo is circular cavity structures, the feeding subassembly includes the transmission shaft, and the transmission shaft passes through the bearing and rotates the connection on a feeding section of thick bamboo, be provided with solid fixed cylinder on the transmission shaft, be provided with the baffle on the solid fixed cylinder.

Preferably, the baffle is provided with a plurality ofly, and a plurality of baffles are the circumference around the solid fixed cylinder and distribute, laminate between the inner wall of baffle and feeding cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the air outlet assembly is additionally arranged on the shell of the drying box, the feeding assembly is additionally arranged on the feeding cylinder, the uniformity of drying the interior of the drying box by a hot air source is ensured by the air outlet assembly, and meanwhile, the temperature of the feeding port is ensured to be constant by the feeding assembly during feeding, so that the drying quality of the modified plastic is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

In the figure: a drying box 1; a stirring device 2; an annular cavity 3; a support plate 4; a hot air blower 5; a conduit 51; a hot air port 6; a closing plate 7; a vent hole 71; a screen 72; the blocking piece 73; a return spring 74; a feed cylinder 8; a transmission shaft 81; a fixed cylinder 82; a baffle 83; a discharge pipe 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a constant temperature equipment for modified plastic technology, including stoving case 1, the internally mounted of stoving case 1 has agitating unit 2, agitating unit 2 includes driving motor, the axis of rotation, fixed cover, stirring frame and stirring piece, be favorable to the homogeneity of modified plastic's stirring, guarantee modified plastic's stoving homogeneity, thereby improve modified plastic's quality, annular cavity 3 has been seted up to stoving case 1's casing is inside, backup pad 4 has all been welded to stoving case 1's both sides, fixed mounting has air heater 5 on the backup pad 4, be connected with pipe 51 on the air heater 5, be connected between pipe 51's one end and the annular cavity 3, the start-up of air heater 5 is carried hot-blast through pipe 51 to annular cavity 3 in.

A hot air port 6 is arranged on one side of the annular cavity 3 on the casing of the drying box 1, a plurality of groups of hot air ports 6 are arranged on the hot air port 6, the hot air ports 6 are distributed along the surface of the annular cavity 3 from top to bottom, a plurality of hot air ports 6 are arranged on each group, the hot air ports 6 are distributed circumferentially around the surface of the annular cavity 3, the hot air ports 6 are of a horn-shaped through hole structure, an air outlet component with a constant temperature keeping function is arranged on each hot air port 6, the air outlet component comprises a closing plate 7, the closing plate 7 is positioned at the air port of each hot air port 6 and welded on the inner wall of the casing of the drying box 1, a vent hole 71 is arranged on the closing plate 7, a filter screen 72 is fixedly arranged on the vent hole 71 on the closing plate 7, the mesh hole of the filter screen 72 is very small, the filter screen 72 can prevent modified plastic particles from entering the hot air ports 6 from the inside of the drying box 1, a blocking block 73 is arranged at the communication position between the hot air ports 6 and the annular cavity 3, and the blocking block 73 is movably inserted on the hot air ports 6, fixedly connected with reset spring 74 between sprue 73 and shrouding 7, hot-blast in the annular cavity 3 blows to the inside of stoving case 1 through a plurality of hot-blast mouths 6, guarantee the homogeneity of the inside stoving of hot-blast source to stoving case 1, at this in-process, hot-blast blowing makes it be close to shrouding 7 direction to sprue 73, reset spring 74 is compressed this moment, hot-blast gap and the inside of ventilation hole 71 between sprue 73 and the hot-blast mouth 6 of blowing to stoving case 1, make hot-blast blockking of sprue 73 that receives, guarantee the homogeneity of the inside stoving of hot-blast source to stoving case 1, prevent that rapid hot-blast from producing the thermal oxidation reaction to the modified plastic particle, guarantee modified plastic's oven-dry mass.

The top of the drying box 1 is communicated with a feeding cylinder 8, the inside of the feeding cylinder 8 is of a circular cavity structure, the top of the feeding cylinder 8 is communicated with a feeding hopper, a feeding assembly with a cooling prevention function is arranged inside the feeding cylinder 8, the feeding assembly comprises a transmission shaft 81, the transmission shaft 81 is rotatably connected to the feeding cylinder 8 through a bearing, one end of the transmission shaft 81 is provided with a driving device, a fixed cylinder 82 is welded on the transmission shaft 81, a baffle 83 is welded on the fixed cylinder 82, a plurality of baffles 83 are arranged, the baffles 83 are circumferentially distributed around the fixed cylinder 82, the baffle 83 is attached to the inner wall of the feeding cylinder 8, modified plastic particles enter the feeding cylinder 8 through the feeding hopper and fall on the fixed cylinder 82, the driving device is started to enable the transmission shaft 82 to rotate to drive the fixed cylinder 82 and the baffle 83 to rotate, the modified plastic particles falling on the fixed cylinder 82 enter the inside of the drying box 1 through rotation, the inner walls of the baffle 83, the fixed barrel 82 and the feeding barrel 8 form a feeding port closed space, the inside heat of the drying box 1 is prevented from being discharged outside through the feeding barrel 8, the temperature of the feeding port is constant when feeding is guaranteed, the bottom of the drying box 1 is communicated with a discharging pipe 9, and a control valve is installed on the discharging pipe 9.

The working principle is as follows: in practical use, the hot air is conveyed into the annular cavity 3 through the guide pipe 51 by starting the hot air blower 5, the hot air in the annular cavity 3 is blown to the inside of the drying box 1 through the hot air ports 6, in the process, the hot air is blown to the blocking block 73 to enable the blocking block to approach the closing plate 7, the return spring 74 is compressed, the hot air is blown to the inside of the drying box 1 through a gap between the blocking block 73 and the hot air ports 6 and the vent hole 71, so that the hot air is blocked by the blocking block 73, the uniformity of drying inside the drying box 1 by the hot air source is ensured, the rapid hot air is prevented from generating thermal oxidation reaction on modified plastic particles, the drying quality of the modified plastic is ensured, the modified plastic particles are added into the feeding cylinder 8 and fall on the fixed cylinder 82, the driving device is started to enable the transmission shaft 82 to rotate, the fixed cylinder 82 and the baffle 83 are driven to rotate, the modified plastic particles falling on the fixed cylinder 82 enter the inside of the drying box 1 through rotation, the inner walls of the baffle 83, the fixed cylinder 82 and the feeding cylinder 8 form a feeding port closed space, so that the internal heat of the drying box 1 is prevented from being discharged outside through the feeding cylinder 8, and the temperature of the feeding port is ensured to be constant during feeding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant temperature equipment for modified plastics technology, includes stoving case (1), its characterized in that: a stirring device (2) is arranged inside the drying box (1), an annular cavity (3) is arranged inside the shell of the drying box (1), the two sides of the drying box (1) are both provided with a supporting plate (4), the supporting plate (4) is provided with an air heater (5), the hot air blower (5) is connected with a guide pipe (51), one end of the guide pipe (51) is connected with the annular cavity (3), a hot air port (6) is arranged on one side of the annular cavity (3) on the shell of the drying box (1), the hot air port (6) is provided with an air outlet component with a constant temperature keeping function, the top of the drying box (1) is provided with a feeding cylinder (8), the inside of a feeding section of thick bamboo (8) sets up the feeding subassembly that has the function of preventing cooling, the bottom of stoving case (1) is provided with discharging pipe (9), be provided with the control valve on discharging pipe (9).

2. A thermostatic device for a modified plastics process according to claim 1, characterized in that: the hot air ports (6) are provided with multiple groups, the multiple groups of hot air ports (6) are distributed along the surface of the annular cavity (3) in an up-and-down arrangement mode, each group of hot air ports (6) is provided with multiple hot air ports, the multiple hot air ports (6) are distributed circumferentially around the surface of the annular cavity (3), and the hot air ports (6) are of a horn-shaped through hole structure.

3. A thermostatic device for a modified plastics process according to claim 1, characterized in that: the air outlet assembly comprises a sealing plate (7), the sealing plate (7) is located at an air port of the hot air port (6) and is welded on the inner wall of the shell of the drying box (1), a ventilation hole (71) is formed in the sealing plate (7), and a filter screen (72) is arranged on the ventilation hole (71) in the sealing plate (7).

4. The thermostatic device for the modified plastics process according to claim 1, characterized in that: a blocking block (73) is arranged at the communication position between the hot air port (6) and the annular cavity (3), the blocking block (73) is movably inserted into the hot air port (6), and a return spring (74) is arranged between the blocking block (73) and the sealing plate (7).

5. A thermostatic device for a modified plastics process according to claim 1, characterized in that: the inside of a feeding cylinder (8) is circular cavity structure, the feeding subassembly includes transmission shaft (81), and transmission shaft (81) rotate through the bearing and connect on feeding cylinder (8), be provided with solid fixed cylinder (82) on transmission shaft (81), gu be provided with baffle (83) on fixed cylinder (82).

6. A thermostatic device for modified plastics process according to claim 5, characterized in that: baffle (83) are provided with a plurality ofly, and a plurality of baffles (83) are the circumference around fixed cylinder (82) and distribute, laminate between the inner wall of baffle (83) and feed cylinder (8).