CN215703976U

CN215703976U - Cooling device for plastic extrusion shaping

Info

Publication number: CN215703976U
Application number: CN202121305523.9U
Authority: CN
Inventors: 陈兴福; 陈昱成; 徐国强; 邓永亮; 陈明华; 钟行国; 邓永军; 刘长安; 张昌兴; 陈文利
Original assignee: Shandong Dazheng New Material Technology Co ltd
Current assignee: Shandong Dazheng New Material Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-02-01
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of plastic extrusion forming, and discloses a cooling device for plastic extrusion forming. According to the utility model, the pipe plastic is cooled by the air cooling mechanism and the water cooling mechanism, so that the cooling molding efficiency of the pipe plastic can be improved, and in the cooling process, cold air of the air cooling mechanism and cooling water of the water cooling mechanism can be uniformly combined with the pipe plastic, so that the uniform and comprehensive cooling and heating of the pipe plastic are ensured, the efficiency of cooling and molding the pipe plastic is further improved, and the conditions of uneven heating and deformation of the pipe plastic are avoided.

Description

Cooling device for plastic extrusion shaping

Technical Field

The utility model relates to the technical field of plastic extrusion forming, in particular to a cooling device for plastic extrusion forming.

Background

In the plastic extrusion molding process, the plastic extruder is generally called a main machine, and the plastic extrusion molding machine, which is a subsequent device matched with the plastic extruder, is called an auxiliary machine, the plastic extrusion device can be matched with various plastic molding auxiliary machines such as pipes, films, rods, monofilaments, flat wires, packing belts, extruding nets, plates, profiles, pelleting, cable wrapping and the like to form various plastic extrusion molding production lines to produce various plastic products, and particularly, in the extrusion molding process of the pipe plastic products, after the pipe plastic is extruded and molded, the pipe plastic needs to be cooled in time to maintain the shape of the pipe plastic.

But there are some shortcomings about the cooling device that plastics are extruded and stereotyped in the existing market, and traditional cooling device structure is comparatively single, and its cooling efficiency is comparatively low, and in the cooling process, the uneven condition of cooling and heating very easily appears, leads to pipe plastics to appear warping. Accordingly, those skilled in the art have provided a cooling device for plastic extrusion molding to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cooling device for plastic extrusion molding, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a cooling device for plastic extrusion shaping comprises a supporting foot frame, wherein an air cooling mechanism is fixed at the top end of the supporting foot frame, one end of an air cooling pipeline in a fan mechanism is connected with a feeding pipe orifice, the other end of the air cooling pipeline in the air cooling mechanism is connected with a water cooling mechanism, and one end of a water cooling pipeline in the water cooling mechanism is connected with a discharging pipe orifice;

the air cooling mechanism comprises an air cooling pipeline fixed at the top end of the supporting foot rest, an air inlet pipe is connected to one end of the air cooling pipeline, an exhaust pipe is connected to the other end of the air cooling pipeline, an initial-effect dustproof net, a high-efficiency dustproof net and an air inlet fan are sequentially arranged inside and outside the air inlet pipe, and an exhaust fan, a purification net and an adsorption net are sequentially arranged inside and outside the exhaust pipe;

the water cooling mechanism comprises a water cooling pipeline connected to one end of the air cooling pipeline, the top end of the water cooling pipeline is connected with a water inlet valve, the bottom end of the water cooling pipeline is connected with a backflow valve, the water inlet end of the water inlet valve is connected with a water inlet pipe, the water discharging end of the water inlet valve is connected with a flow dividing pipe, the lower portion of the water inlet pipe is symmetrically connected with a water cooling ring pipe, water cooling nozzles are symmetrically arranged on the inner side of the water cooling ring pipe, and the water discharging end of the backflow valve is connected with a backflow pipe.

As a still further scheme of the utility model: just imitate the dust screen and all adopt stainless steel material component with high-efficient dust screen, the mesh size of high-efficient dust screen is just imitating one third of dust screen mesh size.

As a still further scheme of the utility model: the purification net is made of fiber resin material, and the adsorption net is made of activated carbon net material.

As a still further scheme of the utility model: the number of the water-cooling circular pipes is not less than three groups, and the spacing distances among the water-cooling circular pipes are the same.

As a still further scheme of the utility model: the number of the water-cooling spray heads is not less than twelve groups, and the water-cooling spray heads are uniformly and symmetrically arranged relative to the circle center of the water-cooling ring pipe.

As a still further scheme of the utility model: the pipe bottom of the water cooling pipeline is of an inclined plane structure, and the slope bottom of the inclined plane extends to the position of the drainage end of the reflux valve.

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

according to the utility model, the pipe plastic is cooled by the air cooling mechanism and the water cooling mechanism, so that the cooling molding efficiency of the pipe plastic can be improved, and in the cooling process, cold air of the air cooling mechanism and cooling water of the water cooling mechanism can be uniformly combined with the pipe plastic, so that the uniform and comprehensive cooling and heating of the pipe plastic are ensured, the efficiency of cooling and molding the pipe plastic is further improved, and the conditions of uneven heating and deformation of the pipe plastic are avoided.

Drawings

FIG. 1 is a schematic structural view of a cooling apparatus for plastic extrusion molding;

FIG. 2 is a schematic structural view of an air cooling mechanism in a cooling device for plastic extrusion molding;

FIG. 3 is a schematic structural view of a water cooling mechanism in a cooling device for plastic extrusion molding.

In the figure: 1. a supporting foot rest; 2. air-cooling the pipeline; 3. a feed tube orifice; 4. a water-cooled pipeline; 5. a reflux valve; 6. a return pipe; 7. a water inlet valve; 8. a water inlet pipe; 9. a discharge pipe orifice; 10. an air inlet pipe; 11. an exhaust duct; 12. a primary dust screen; 13. a high-efficiency dust screen; 14. a fan inlet; 15. an exhaust fan; 16. a purification net; 17. an adsorption net; 18. a water-cooled ring pipe; 19. a shunt tube; 20. and (4) a water-cooling spray head.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a cooling device for plastic extrusion molding comprises a supporting foot frame 1, an air cooling mechanism is fixed on the top end of the supporting foot frame 1, one end of an air cooling pipeline 2 in a fan mechanism is connected with a feeding pipe orifice 3, the air cooling mechanism comprises an air cooling pipeline 2 fixed on the top end of the supporting foot frame 1, an air inlet pipe 10 is connected at one end position above the air cooling pipeline 2, an exhaust pipe 11 is connected at the other end position above the air cooling pipeline 2, an initial dust screen 12, a high-efficiency dust screen 13 and an air inlet fan 14 are sequentially arranged inside and outside the air inlet pipe 10, an exhaust fan 15, a purification screen 16 and an adsorption screen 17 are sequentially arranged inside and outside the exhaust pipe 11, the initial dust screen 12 and the high-efficiency dust screen 13 are both made of stainless steel materials, the mesh size of the high-efficiency dust screen 13 is one third of the mesh size of the initial dust screen 12, the purification net 16 is made of fiber resin, the adsorption net 17 is made of activated carbon net, when cooling and processing the pipe plastic, the extruded pipe plastic is conveyed into the air cooling pipeline 2 through the feeding pipe opening 3, and then the fan 14 works to suck and attach the external cold air, the external cold air is conveyed into the air cooling pipeline 2 through the air inlet pipe 10 under the double filtration and isolation of the primary dust screen 12 and the high-efficiency dust screen 13, the clean cold air is conveyed into the air cooling pipeline 2 through the air inlet pipe 10, when circulating in the air cooling pipeline 2, the cold air is in convection with the conveying direction of the pipe plastic, the heat on the pipe plastic is taken away by the cold air in the contact process of the pipe plastic, as the cold air and the conveying direction of the pipe plastic are in convection, the heated cold air blows to the initial feeding end of the pipe plastic, the air cooling temperature of the pipe plastic is gradually changed from high to low, and the air cooling stability of the pipe plastic is ensured, the heated cold air is exhausted into the exhaust duct 11 by the exhaust fan 15, and the clean air is exhausted to the outside by the purification and filtration of the fiber resin purification net 16 and the adsorption and filtration of the activated carbon net adsorption net 17.

The other end of an air cooling pipeline 2 in the air cooling mechanism is connected with a water cooling mechanism, one end of a water cooling pipeline 4 in the water cooling mechanism is connected with a discharge pipe orifice 9, the water cooling mechanism comprises the water cooling pipeline 4 connected at one end of the air cooling pipeline 2, the top end of the water cooling pipeline 4 is connected with a water inlet valve 7, the bottom end of the water cooling pipeline 4 is connected with a backflow valve 5, the water inlet end of the water inlet valve 7 is connected with a water inlet pipe 8, the water discharging end of the water inlet valve 7 is connected with a flow dividing pipe 19, a water cooling ring pipe 18 is symmetrically connected below the water inlet pipe 8, water cooling nozzles 20 are symmetrically arranged on the inner side of the water cooling ring pipe 18, the number of the water cooling ring pipes 18 is not less than three, the spacing distance among the water cooling ring pipes 18 is the same, the number of the water cooling nozzles 20 is not less than twelve groups, the water cooling nozzles 20 are uniformly and symmetrically arranged relative to the circle center of the water cooling ring pipe 18, when the plastic of the pipe is conveyed into the water cooling pipeline 4 after the air cooling is finished, the cooling water is conveyed into the water inlet pipe 8 and conveyed into the shunt pipe 19 through the water inlet valve 7, then under the shunt pipe 19, the cooling water is shunted into the water-cooling ring pipe 18 and is annularly and symmetrically sprayed out through the water-cooling spray head 20 to carry out all-around water-cooling treatment on the pipe plastic, and the water-cooled pipe plastic is discharged through the discharge pipe opening 9 for processing.

The water discharge end of the reflux valve 5 is connected with a reflux pipe 6, the bottom of the water-cooling pipeline 4 is of an inclined plane structure, the slope bottom of the inclined plane extends to the position of the water discharge end of the reflux valve 5, the water-cooled cooling water flows into the water-cooling pipeline 4, flows back to the reflux valve 5 through the inclined plane structure at the bottom of the water-cooling pipeline 4, and flows back to the cooling pool through the reflux pipe 6 for recycling.

The working principle of the utility model is as follows: when cooling and processing the pipe plastic, the extrusion molded pipe plastic is conveyed into the air cooling pipeline 2 through the feeding pipe opening 3, and then the fan 14 works to suck and attach the outside cold air, the outside cold air is conveyed into the air cooling pipeline 2 through the air inlet pipe 10 under the double filtration isolation of the primary dust-proof net 12 and the high-efficiency dust-proof net 13, when the cold air circulates in the air cooling pipeline 2, the cold air is in a convection type with the conveying direction of the pipe plastic, the cold air takes away the heat on the pipe plastic in the contact process of the cold air and the pipe plastic, because the cold air is in a convection type with the conveying direction of the pipe plastic, the heated cold air is blown to the initial feeding end of the pipe plastic, the air cooling temperature of the pipe plastic is gradually reduced from high to low, the air cooling stability of the pipe plastic is ensured, and the heated cold air is exhausted into the exhaust pipe 11 under the suction of the fan 15, through the purification filtration of fiber resin material purification net 16, the adsorption filtration of active carbon net material adsorption net 17, discharge clean air the external world, further when the air cooling of tubular product plastics finishes to carry to water cooling pipe 4 in, the cooling water is carried to in the inlet tube 8, carry to in shunt tubes 19 through water intaking valve 7, and then under the shunt tubes 19 branch stream, the cooling water flow to water cooling ring canal 18 in, through water-cooling shower nozzle 20 ring symmetry blowout, carry out omnidirectional water-cooling treatment to tubular product plastics, tubular product plastics after the water-cooling are discharged through ejection of compact mouth of pipe 9 and are processed, cooling water after the water-cooling flows into in water cooling pipe 4, through the inclined plane shape structure of water cooling pipe 4 bottom, flow back to in the backward flow valve 5, flow back to the cooling tank through back flow 6 and carry out cyclic utilization.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A cooling device for plastic extrusion shaping comprises a supporting foot stand (1), and is characterized in that an air cooling mechanism is fixed at the top end of the supporting foot stand (1), one end of an air cooling pipeline (2) in the air cooling mechanism is connected with a feeding pipe orifice (3), the other end of the air cooling pipeline (2) in the air cooling mechanism is connected with a water cooling mechanism, and one end of a water cooling pipeline (4) in the water cooling mechanism is connected with a discharging pipe orifice (9);

the air cooling mechanism comprises an air cooling pipeline (2) fixed at the top end of a supporting foot rest (1), an air inlet pipe (10) is connected to one end position above the air cooling pipeline (2), an exhaust pipe (11) is connected to the other end position above the air cooling pipeline (2), an initial-effect dustproof net (12), a high-efficiency dustproof net (13) and an air inlet fan (14) are sequentially arranged inside and outside the inner side of the air inlet pipe (10), and an exhaust fan (15), a purification net (16) and an adsorption net (17) are sequentially arranged inside and outside the inner side of the exhaust pipe (11);

the water-cooling mechanism comprises a water-cooling pipeline (4) connected to one end of the air-cooling pipeline (2), the top end of the water-cooling pipeline (4) is connected with a water inlet valve (7), the bottom end of the water-cooling pipeline (4) is connected with a backflow valve (5), the water inlet end of the water inlet valve (7) is connected with a water inlet pipe (8), the drainage end of the water inlet valve (7) is connected with a flow dividing pipe (19), the lower portion of the water inlet pipe (8) is symmetrically connected with a water-cooling ring pipe (18), the inner side of the water-cooling ring pipe (18) is symmetrically provided with a water-cooling spray head (20), and the drainage end of the backflow valve (5) is connected with a backflow pipe (6).

2. The cooling device for plastic extrusion molding according to claim 1, wherein the primary dust-proof net (12) and the high-efficiency dust-proof net (13) are both made of stainless steel material, and the mesh size of the high-efficiency dust-proof net (13) is one third of the mesh size of the primary dust-proof net (12).

3. The cooling device for plastic extrusion molding according to claim 1, wherein the purification net (16) is made of fiber resin material, and the adsorption net (17) is made of activated carbon net material.

4. The cooling device for plastic extrusion molding according to claim 1, wherein the number of the water cooling loops (18) is not less than three, and the water cooling loops (18) are spaced at the same distance.

5. The cooling device for plastic extrusion molding according to claim 1, wherein the number of the water cooling nozzles (20) is not less than twelve groups, and the water cooling nozzles (20) are uniformly and symmetrically arranged relative to the center of the water cooling ring pipe (18).

6. The cooling device for plastic extrusion molding according to claim 1, wherein the bottom of the water cooling pipeline (4) is of an inclined plane structure, and the slope bottom of the inclined plane extends to the position of the water discharge end of the reflux valve (5).