CN214419531U

CN214419531U - Cooling machine for plastic pipes

Info

Publication number: CN214419531U
Application number: CN202021782985.5U
Authority: CN
Inventors: 彭湃
Original assignee: Chengdu Huadi Plastic Co ltd
Current assignee: Chengdu Huadi Plastic Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-10-19
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a cooling machine for plastic pipes, which comprises a pipe extrusion molding unit and a cooling unit, wherein the cooling unit is arranged on the pipe extrusion molding unit and comprises a cooling module, a pipeline system, an external liquid storage box and an external cooling box, the pipeline system sequentially communicates the cooling module, the external cooling box and the external liquid storage box and forms a sealed loop structure, the cooling module is coaxially arranged in an inner cavity of a shaping pipe and cools the shaping pipe, the external liquid storage box is arranged below the external cooling box, and the external cooling box is fixedly connected with a molding machine body; through this scheme, place the cooling module at the sizing pipe intracavity to the method that utilizes the shower nozzle group to evenly spray refrigerated liquid to the sizing pipe carries out the cooling has realized carrying out refrigerated technique to just extrusion's plastic tubing under the prerequisite that does not damage plastic tubing physical property.

Description

Cooling machine for plastic pipes

Technical Field

The utility model relates to a plastic tubing processing technology field especially relates to and is used for plastic tubing cooling machine equipment field, and specifically speaking is a cooler of plastic tubing.

Background

In the process of forming the PE pipe, the forming method adopted is extrusion cooling forming. At present, most of the production modes of the plastic pipe are extrusion type, and in the extrusion production and preparation process of the plastic pipe, the plastic pipe which is just extruded is in a high-temperature state, and the shape is easy to deform, so that the plastic pipe needs to be cooled immediately. The current cooling mode is that a spray head is arranged in a cooling box, a plastic pipe is cooled by cooling water sprayed by the spray head, the temperature of the cooling water is low, and after the cooling water is directly sprayed onto the high-temperature plastic pipe, the temperature change of the plastic pipe is too violent, so that destructive influence can be generated on the physical properties of the plastic pipe. Based on the above defect, the utility model provides a cooler of plastic tubing aims at solving above-mentioned defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a cooler of plastic tubing for solve current plastic tubing and directly to spraying the cooling liquid on the fashioned plastic tubing and cooling when extrusion, can lead to the temperature variation of plastic tubing too violent and then lead to the technical defect that plastic tubing physical property is destroyed. The utility model discloses a set up pipeline extrusion moulding unit, cooling unit isotructure will cool off the module and place in the design pipe lumen to utilize the shower nozzle group to the even refrigerated liquid of spraying of design pipe to carry out refrigerated method to the design pipe and realized carrying out refrigerated technique to just extrusion's plastic tubing under the prerequisite that does not damage plastic tubing physical property. Adopt the utility model discloses can effectively realize afterwards carrying out refrigerated technique to just extrusion's plastic tubing under the prerequisite that does not damage plastic tubing physical property.

In order to realize the technical scheme, the utility model discloses a following technical scheme realizes:

a cooling machine for plastic pipes comprises a pipe extrusion molding unit and a cooling unit, wherein the cooling unit is arranged on the pipe extrusion molding unit;

the pipeline extrusion molding unit comprises a molding machine body, a cylindrical molten state PE flow cavity, a hopper, an extrusion screw, a discharge groove, a guide pipeline, a shaping pipe and a guide head, wherein one end of the cylindrical molten state PE flow cavity is provided with an opening, which is arranged inside a forming machine body, the top of the forming machine body is provided with a hopper communicated with a cylindrical molten state PE flow cavity, the extrusion screw is arranged in the cavity of the cylindrical molten state PE flow cavity along the length direction of the cylindrical molten state PE flow cavity, the discharge groove is communicated with the opening end of the cylindrical molten state PE flow cavity, the guide pipeline is of an arc-shaped structure, which is fixedly connected with the side wall of the discharge groove, the inner cavity of the guide pipeline is coaxially provided with a shaping pipe, one end of the shaping pipe close to the discharge groove is provided with a conical guide head with the same outer diameter as that of the shaping pipe, and the other end of the shaping pipe is of an opening structure;

the cooling unit comprises a cooling module, a pipeline system, an externally-hung liquid storage box and an externally-hung cooling box, the pipeline system sequentially communicates the cooling module, the externally-hung cooling box and the externally-hung liquid storage box to form a sealing loop structure, the cooling module is coaxially arranged in an inner cavity of the sizing pipe and cools the sizing pipe, the externally-hung liquid storage box is arranged below the externally-hung cooling box, and the externally-hung cooling box is fixedly connected with the forming machine body.

In order to better realize the utility model discloses, as above-mentioned technical scheme's further description, the bottommost axial of design inside pipe wall is provided with the flowing back groove, the flowing back groove is the slope from the guide head to design pipe open end and steadilys decrease.

As a further description of the above technical solution, the cooling module includes a liquid cabin and a plurality of atomizer, the liquid cabin is disposed in the inner cavity of the sizing pipe and is communicated with the external liquid storage tank through a pipeline system, the atomizer is uniformly distributed on the liquid cabin, and the nozzle end of the atomizer faces the inner wall of the sizing pipe.

As a further description of the above technical solution, the piping system includes a liquid guide tube, a pressure increasing tube, a power pump, a return tube, and a liquid supply tube, one end of the liquid guide tube is communicated with the external liquid storage box, the other end is communicated with a liquid inlet end of the power pump, one end of the pressure increasing tube is communicated with a liquid outlet end of the power pump, the other end is communicated with the liquid tank, the return tube hermetically communicates the liquid discharge tank and the external cooling tank, the liquid supply tube communicates the external cooling tank and the external liquid storage box, and the power pump is fixed on the external liquid storage box.

As further description of the technical scheme, a liquid inlet and a liquid outlet are formed in the box body of the external liquid storage box, the liquid outlet is communicated with the liquid guide pipe, and the liquid inlet is communicated with the external cooling box.

As a further description of the above technical solution, the external cooling box includes a plurality of cooling chambers, a plurality of fans, and a plurality of liquid flow channels, wherein the liquid flow channels communicate the upper portions of the cooling chambers, and the fans are disposed on the cooling chambers.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a set up pipeline extrusion moulding unit, cooling unit isotructure will cool off the module and place in the design pipe lumen to utilize the shower nozzle group to the even refrigerated liquid of spraying of design pipe to carry out refrigerated method to the design pipe and realized carrying out refrigerated technique to just extrusion's plastic tubing under the prerequisite that does not damage plastic tubing physical property.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic plan view of the pipe extrusion molding unit of the present invention;

fig. 3 is a schematic structural diagram of the cooling unit of the present invention.

The figure is marked with 1-pipeline extrusion molding unit, 2-cooling unit, 11-molding machine body, 12-cylindrical molten PE flow cavity, 13-hopper, 14-extrusion screw, 15-discharge groove, 16-guide pipeline, 17-shaping pipe, 18-guide head, 19-liquid discharge groove, 21-cooling module, 22-pipeline system, 23-external liquid storage box, 24-external cooling box, 211-liquid cabin, 212-atomizing spray head, 221-liquid guide pipe, 222-pressurizing pipe, 223-power pump, 224-return pipe, 225-liquid supply pipe, 241-cooling chamber, 242-fan and 243-liquid flow channel.

Detailed Description

The present invention will be described in detail and with reference to the preferred embodiments of the present invention, but the present invention is not limited thereto.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The terms "upper", "lower", "left", "right", "inner", "outer", and the like refer to orientations or positional relationships based on the drawings, or the orientations or positional relationships that are conventionally used to place the products of the present invention, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "vertical" and the like do not require absolute perpendicularity between the components, but may be slightly inclined. Such as "vertical" merely means that the direction is relatively more vertical and does not mean that the structure must be perfectly vertical, but may be slightly inclined.

In the description of the present invention, it is also to be understood that the terms "disposed," "mounted," "connected," and the like are intended to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as a preferred embodiment, it is shown in FIG. 1 to FIG. 3;

the cooling device comprises a pipeline extrusion molding unit 1 and a cooling unit 2, wherein the cooling unit 2 is arranged on the pipeline extrusion molding unit 1;

the pipeline extrusion molding unit 1 comprises a molding machine body 11, a cylindrical molten state PE flow cavity 12, a hopper 13, an extrusion screw 14, a discharge groove 15, a guide pipeline 16, a shaping pipe 17, a guide head 18, the cylindrical molten state PE flow cavity 12 sets an open structure for one end, the cylindrical molten state PE flow cavity 12 is arranged inside the molding machine body 11, the top of the molding machine body 11 is provided with the hopper 13 communicated with the cylindrical molten state PE flow cavity 12, the extrusion screw 14 is arranged along the length direction of the cylindrical molten state PE flow cavity 12 is arranged in a cavity of the extrusion screw, the discharge groove 15 is communicated with the open end of the cylindrical molten state PE flow cavity 12, the guide pipeline 16 is of a circular arc structure, the side wall fixed connection of the guide pipeline 15 is fixedly connected with the discharge groove 15, the shaping pipe 17 is coaxially arranged in an inner cavity of the guide pipeline 16, one end of the shaping pipe 17 close to the discharge groove is provided with a conical guide head 18 with the same outer diameter as the shaping pipe, the other end of the shaping pipe 17 is of an opening structure;

the cooling unit 2 comprises a cooling module 21, a pipeline system 22, an externally-hung liquid storage box 23 and an externally-hung cooling box 24, the pipeline system 22 sequentially communicates the cooling module 21, the externally-hung cooling box 24 and the externally-hung liquid storage box 23 to form a sealing loop structure, the cooling module 21 is coaxially arranged in an inner cavity of the sizing pipe 17 and cools the sizing pipe 17, the externally-hung liquid storage box 23 is arranged below the externally-hung cooling box 24, and the externally-hung cooling box 24 is fixedly connected with the forming machine body 11.

In this embodiment, firstly, the pipe extrusion molding unit 1 is used to manufacture a molded plastic pipe, at this time, the molded plastic pipe needs to be cooled, further, the shaping pipe 17 is continuously cooled by the cooling module 21 disposed in the shaping pipe 17, at this time, the plastic pipe and the shaping pipe 17 are in contact with each other, and the shaping pipe 17 cooled by the cooling module 21 absorbs heat of the molded plastic pipe, so that the plastic pipe on the shaping pipe 17 can be continuously cooled, and finally, the cooling technology for the molded plastic pipe is realized on the premise that the physical properties of the plastic pipe are not damaged.

In order to further clarify and clarify the present invention, in the present embodiment, a method of disposing the cooling module 21 in the shaping pipe 17 and cooling the shaping pipe 17 by the cooling module 21 is adopted, and the plastic pipe just formed is cooled.

In order to better realize the utility model discloses, as above-mentioned technical scheme's further description, the bottommost axial of sizing pipe 17 inner wall is provided with fluid-discharge tank 19, fluid-discharge tank 19 is the slope from guide head 18 to sizing pipe 17 open end and steadilys decrease.

In order to more clearly and clearly illustrate the present invention, in this embodiment, a liquid drainage groove 19 is disposed at the bottom of the inner cavity of the sizing pipe 17, and the liquid discharged from the cooling module 21 to the inner cavity of the sizing pipe 17 is collected by the liquid drainage groove 19, and the collected hot liquid is discharged to the external cooling tank 24 through the pipeline system 22 for cooling, and finally the cooled liquid is discharged to the external liquid storage tank 23, so that the cooling liquid used in the cooling process of the molded plastic pipe can be recycled.

As a further description of the above technical solution, the cooling module 21 includes a liquid tank 211 and a plurality of atomizer 212, the liquid tank 211 is disposed in the inner cavity of the sizing pipe 17 and is communicated with the external liquid storage tank 23 through the pipeline system 22, the atomizer 212 is uniformly distributed on the liquid tank 211, and the nozzle end of the atomizer faces the inner wall of the sizing pipe 17.

For clearer and clearer explanation the present invention, as a preferred embodiment, in this embodiment, the axial direction of the liquid compartment 211 is set in the inner cavity of the sizing tube 17, and the plurality of atomizing nozzles 212 communicated with the liquid compartment 211 are uniformly distributed on the liquid compartment 211 in the circumferential direction and the axial direction, and further the atomized liquid is uniformly sprayed to the inner cavity of the sizing tube 17 through the atomizing nozzles 212, and further, the heat on the sizing tube 17 is absorbed by the atomized liquid in the inner cavity of the sizing tube 17 through liquefaction, and the sizing tube 17 after cooling at this time further absorbs the heat on the plastic tube and cools the plastic tube.

As a further description of the above technical solution, the pipeline system 22 includes a liquid guide pipe 221, a pressure increasing pipe 222, a power pump 223, a return pipe 224, and a liquid supply pipe 225, one end of the liquid guide pipe 221 is communicated with the external liquid storage tank 23, the other end is communicated with a liquid inlet end of the power pump 223, one end of the pressure increasing pipe 222 is communicated with a liquid outlet end of the power pump 223, the other end is communicated with the liquid tank 211, the liquid discharge tank 19 and the external cooling tank 24 are hermetically communicated by the return pipe 224, the external cooling tank 24 is communicated with the external liquid storage tank 23 by the liquid supply pipe 225, and the power pump 223 is fixed on the external liquid storage tank 23.

In order to more clearly and clearly illustrate the present invention, as a preferred embodiment, in this embodiment, the cold liquid in the external liquid storage tank 23 is pumped into the pressure increasing pipe 222 by the power pump 223, and flows into the liquid cabin 211 after the pressure increasing of the pressure increasing pipe 222 and is sprayed out through the atomizing nozzle 212, the mist sprayed out by the atomizing nozzle 212 is liquefied by absorbing heat in the shaping pipe 17, and flows together with the liquid discharge tank 19, and finally flows back to the external cooling tank 24 through the return pipe 224, further, the hot water flowing out from the liquid discharge tank 19 flows sufficiently in the external cooling tank 24 for cooling, and the liquid after final cooling flows into the external liquid storage tank 23 through the liquid supply pipe 225 to realize the circulation of the liquid.

As a further description of the above technical solution, the external liquid storage tank 23 is provided with a liquid inlet and a liquid outlet, the liquid outlet is communicated with the liquid guide pipe 221, and the liquid inlet is communicated with the external cooling tank 24.

As a further description of the above technical solution, the external cooling box 24 includes a plurality of cooling chambers 241, a plurality of fans 242, and a plurality of liquid flow channels 243, wherein the liquid flow channels 243 communicate the upper portions of the cooling chambers 241, and the fans 242 are disposed on the cooling chambers 241.

For clearer and more definite explanation the utility model discloses, as preferred embodiment, in this embodiment, through setting up external cooler bin 24 to utilize a plurality of cooling chamber 241 and fan 242 to carry out continuous cooling to discharged hot liquid in the sizing pipe 17, make the liquid of liquefaction can be recycled in sizing pipe 17, effectively guaranteed the utility model discloses a practicality.

For better realization the utility model discloses, as preferred embodiment, as shown in fig. 1 ~ 3, the utility model discloses a work flow is: firstly, the cooling unit 2 of the present invention is installed on the pipe extrusion molding unit 1, the molten PE is put into the hopper 13, the molten PE flows into the cylindrical molten PE flowing chamber 12 from the hopper 13, the extrusion screw 14 extrudes the molten PE in the cylindrical molten PE flowing chamber 12 to the guide conduit, the molten PE enters the shaping pipe 17 through the guide head 18 and forms a plastic pipe, the power pump 223 pumps the liquid cooled in the external liquid storage tank 23 into the liquid cabin 211 and atomizes and sprays the liquid through the atomizing nozzle 212, the atomized liquid absorbs the heat on the shaping pipe 17 in the inner cavity of the shaping pipe 17 and liquefies, the liquefied liquid flows back to the external cooling tank 24 through the return pipe 224, the liquid slowly flows in the external cooling tank 24, and the fan 242 installed on the outer wall of the cooling chamber 241 rotates, at this time, the wind generated by the rotation of the fan 242 cools each cooling chamber 241, the cooled liquid flows into the external liquid storage tank 23 through the liquid supply pipe 225 and the next cycle is started.

It should be noted that, in order to clearly and clearly illustrate the present invention, the liquid stored in the liquid storage tank is sterilized distilled water as a preferred embodiment.

It should be noted that, in order to clearly and clearly illustrate the present invention, the power pump is a motor in the present embodiment.

Through the scheme, the cooling module is placed in the sizing pipe cavity, and the technology of cooling the just extruded and formed plastic pipe on the premise of not damaging the physical properties of the plastic pipe is realized by the method of cooling the sizing pipe by uniformly spraying cooled liquid to the sizing pipe through the spray head group.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling machine for plastic pipes is characterized in that: the cooling device comprises a pipeline extrusion molding unit (1) and a cooling unit (2), wherein the cooling unit (2) is arranged on the pipeline extrusion molding unit (1);

the pipeline extrusion molding unit (1) comprises a molding machine body (11), a cylindrical molten state PE flow cavity (12), a hopper (13), an extrusion screw (14), a discharge groove (15), a guide pipeline (16), a shaping pipe (17) and a guide head (18), wherein the cylindrical molten state PE flow cavity (12) is of an open structure with one end, the cylindrical molten state PE flow cavity (12) is arranged in the molding machine body (11), the top of the molding machine body (11) is provided with the hopper (13) communicated with the cylindrical molten state PE flow cavity (12), the extrusion screw (14) is arranged in a cavity along the length direction of the cylindrical molten state PE flow cavity (12), the discharge groove (15) is communicated with the open end of the cylindrical molten state PE flow cavity (12), the guide pipeline (16) is of a circular arc-shaped structure and is fixedly connected with the side wall of the discharge groove (15), a shaping pipe (17) is coaxially arranged in an inner cavity of the guide pipeline (16), a conical guide head (18) with the same outer diameter as that of the shaping pipe (17) is arranged at one end, close to the discharge groove (15), of the shaping pipe (17), and the other end of the shaping pipe (17) is of an open structure;

cooling unit (2) are including cooling module (21), pipe-line system (22), external liquid storage box (23), external cooler bin (24), pipe-line system (22) communicate cooling module (21), external cooler bin (24) and external liquid storage box (23) in proper order and form the sealed circuit structure, cooling module (21) set up the inner chamber at design pipe (17), and it cools off design pipe (17), external cooler bin (24) and shaping organism (11) fixed connection.

2. A cooling machine for plastic tubes according to claim 1, characterized in that: the one end of sizing pipe (17) inner wall is provided with fluid-discharge tank (19), fluid-discharge tank (19) from guide head (18) to sizing pipe (17) open end slope setting.

3. A cooling machine for plastic tubes according to claim 2, characterized in that: cooling module (21) include liquid cabin (211), a plurality of atomizer (212), liquid cabin (211) set up the inner chamber of sizing pipe (17), it passes through pipe-line system (22) and joins in marriage external liquid storage box (23) intercommunication, atomizer (212) equipartition is in on the liquid cabin (211).

4. A cooling machine for plastic tubes according to claim 3, characterized in that: the pipeline system (22) comprises a liquid guide pipe (221), a pressure increasing pipe (222), a power pump (223), a return pipe (224) and a liquid supply pipe (225), one end of the liquid guide pipe (221) is communicated with the external liquid storage box (23), the other end of the liquid guide pipe is communicated with a liquid inlet end of the power pump (223), one end of the pressure increasing pipe (222) is communicated with a liquid outlet end of the power pump (223), the other end of the pressure increasing pipe is communicated with a liquid cabin (211), the return pipe (224) communicates a liquid discharge groove (19) with the external cooling box (24), the external cooling box (24) is communicated with the external liquid storage box (23) through the liquid supply pipe (225), and the power pump (223) is fixed on the external liquid storage box (23).

5. A cooling machine for plastic tubes according to claim 4, characterized in that: the liquid inlet and the liquid outlet are arranged on the box body of the external liquid storage box (23), the liquid outlet is communicated with the liquid guide pipe (221), and the liquid inlet is communicated with the external cooling box (24).

6. A cooling machine for plastic tubes according to claim 5, characterized in that: the external cooling box (24) comprises a plurality of cooling chambers (241), a plurality of fans (242) and a plurality of liquid flow channels (243), wherein the liquid flow channels (243) are used for communicating the upper parts of the cooling chambers (241), and the fans (242) are arranged on the cooling chambers (241).