CN219095659U

CN219095659U - Cooling roller for polyethylene film production

Info

Publication number: CN219095659U
Application number: CN202223225704.8U
Authority: CN
Inventors: 任路宾; 赵雨; 靳少松
Original assignee: Jiangsu Renxing Technology Co ltd
Current assignee: Jiangsu Renxing Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-30
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a cooling roller for producing polyethylene film, comprising: a main body unit, comprising: the roller comprises a mounting frame, connecting seats symmetrically arranged at the bottom side of the mounting frame, and roller bodies rotatably arranged between the connecting seats at two sides; a cooling unit, comprising: the main body unit further comprises a double-shaft motor arranged on one side of the mounting frame, and the double-shaft motor drives the cooling water outlet pipe to synchronously rotate through a transmission mechanism. According to the utility model, the plurality of shunt pipes attached to the inner wall of the roller body are arranged, and the flow speed of cooling water at the inner side is higher through the smaller shunt pipes, so that the temperature in the roller body is kept at a lower temperature at any time, and the cooling efficiency is ensured.

Description

Cooling roller for polyethylene film production

Technical Field

The utility model relates to the technical field of polyethylene films, in particular to a cooling roller for producing a polyethylene film.

Background

The cooling roller is needed in the production or processing process of the polyethylene plastic film, the cooling roller is provided with a circulating pipeline, and in the working process, the cooling roller cools the plastic film, and cooling water continuously circulates through the cooling roller, but in order to ensure the contact area between the cooling roller and the film, the diameter radius of the cooling roller is generally required to be quite large, which directly causes the following problems to occur; the hollow cavity in the cooling roller is too large, cooling water is difficult to fully contact with the inner wall of the cooling roller in the cavity, and the heat taking speed is low; the flow rate of water in the cooling roller is low, and after cold water enters, the cold water rapidly flows out from the bottom due to the problem of specific gravity, so that the heat exchange speed is low.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-described problems with a conventional cooling roll for producing a polyethylene film.

In order to solve the technical problems, the utility model provides the following technical scheme:

a cooling roll for producing polyethylene film, comprising:

a main body unit, comprising: the roller comprises a mounting frame, connecting seats symmetrically arranged at the bottom side of the mounting frame, and roller bodies rotatably arranged between the connecting seats at two sides;

a cooling unit, comprising: the device comprises a roller body, hollow discs, a cooling water inlet pipe, a cooling water outlet pipe and a plurality of shunt pipes, wherein the hollow discs are respectively arranged on two sides of the roller body, the cooling water inlet pipe and the cooling water outlet pipe are respectively and symmetrically fixedly communicated with the hollow discs on two sides, and the shunt pipes are communicated between the hollow discs on two sides;

the main body unit further comprises a double-shaft motor arranged on one side of the mounting frame, and the double-shaft motor drives the cooling water outlet pipe to synchronously rotate through the transmission mechanism.

As a preferable embodiment of the cooling roll for producing a polyethylene film of the present utility model, wherein: the plurality of shunt tubes are in running fit with the hollow discs on the two sides, and the shunt tubes are attached to the inner wall of the roller body.

As a preferable embodiment of the cooling roll for producing a polyethylene film of the present utility model, wherein: the transmission mechanism comprises: and a driving wheel which is respectively and fixedly connected with the output end of the double-shaft motor and the cooling water outlet pipe, and a driving belt is arranged between the two driving wheels.

As a preferable embodiment of the cooling roll for producing a polyethylene film of the present utility model, wherein: the output end of the other side of the double-shaft motor is fixedly connected with a pinion, and the outer side of the roller body is fixedly connected with a toothed ring meshed with the pinion.

As a preferable embodiment of the cooling roll for producing a polyethylene film of the present utility model, wherein: the lateral support frame is symmetrically and fixedly connected to the two sides of the mounting frame, and the guide roller is rotationally connected to the lateral support frame.

As a preferable embodiment of the cooling roll for producing a polyethylene film of the present utility model, wherein: the shunt tube and the roller body are made of metal materials with good heat conductivity.

The utility model has the beneficial effects that:

1. the inner wall of the roller body is provided with the plurality of shunt pipes which are attached to the inner wall of the roller body, and the flow speed of cooling water at the inner side is higher through the smaller shunt pipes, so that the temperature in the roller body is kept at a lower temperature at any time, and the cooling efficiency is ensured;

2. the hollow disc is driven to rotate with the cooling water outlet pipe through the double-shaft motor, namely, the inner walls of the plurality of shunt tubes are attached to the roller body to be in continuous rolling contact, so that the inner walls of the whole roller body are fully contacted with the shunt tubes, and the heat exchange efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of the whole structure of a cooling roll for producing polyethylene film in operation;

fig. 2 is a schematic view of a partial cross-sectional structure of a roll body on the other side of a cooling roll for producing polyethylene film according to the present utility model.

In the figure: 100-main body unit, 101-mounting rack, 102-side support frame, 103-guide roller, 104-connecting seat, 105-roller body, 106-toothed ring, 107-pinion, 108-double-shaft motor, 109-driving wheel, 110-driving belt, 200-cooling unit, 201-cooling water inlet pipe, 202-hollow disk, 203-cooling water outlet pipe and 204-shunt pipe.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1 to 2, in one embodiment of the present utility model, there is provided a cooling roll for producing a polyethylene film, comprising a main body unit 100 and a cooling unit 200.

Wherein the main body unit 100 includes: the device comprises a mounting frame 101, connecting seats 104 symmetrically arranged on the bottom side of the mounting frame 101, and roller bodies 105 rotatably arranged between the connecting seats 104 on two sides, wherein lateral support frames 102 are symmetrically and fixedly connected on two sides of the mounting frame 101, and guide rollers 103 are rotatably connected on the lateral support frames 102 and used for guiding polyethylene films during conveying;

the cooling unit 200 includes: the cooling water inlet pipe 201 and the cooling water outlet pipe 203 which are respectively arranged on the two sides of the roller body 105, the cooling water inlet pipe 201 and the cooling water outlet pipe 203 which are respectively and symmetrically fixedly communicated with each other are respectively arranged on the two sides of the hollow disk 202, and the plurality of shunt pipes 204 are in running fit with the two sides of the hollow disk 202, the shunt pipes 204 are attached to the inner wall of the roller body 105, the cooling water outlet pipe 203 and the cooling water inlet pipe 201 are all fixed in running fit through external bearing seats to be explained, and when the cooling water outlet pipe 203 rotates, the whole cooling unit 200 is driven to rotate, namely the plurality of shunt pipes 204 are attached to the inner wall of the roller body 105 to be in continuous rolling contact, and heat absorbed by the roller body 105 is taken away.

The main unit 100 further includes a dual-shaft motor 108 mounted on one side of the mounting frame 101, and the dual-shaft motor 108 drives the cooling water outlet pipe 203 to rotate synchronously through a transmission mechanism, and specifically, the transmission mechanism includes: the driving wheels 109 are respectively and fixedly connected to the output end of the double-shaft motor 108 and the cooling water outlet pipe 203, and a driving belt 110 is arranged between the two driving wheels 109, so that the double-shaft motor 108 drives the cooling water outlet pipe 203 to rotate clockwise.

In addition, the other side output end of the double-shaft motor 108 is fixedly connected with a pinion 107, and the outer side of the roller body 105 is fixedly connected with a toothed ring 106 meshed with the pinion 107. The double-shaft motor 108 drives the toothed ring 106 to rotate anticlockwise, namely the roller body 105 rotates anticlockwise, the rotation direction is consistent with the conveying direction of the polyethylene film, and the shunt tube 204 and the roller body 105 are made of metal materials with good heat conductivity.

In the use, the low-temperature cooling water gets into through the circulating pump from cooling water inlet tube 201 and gets into each shunt tubes 204 after the reposition of redundant personnel of one side hollow disc 202, because the inner wall of roll body 105 is laminated with a plurality of shunt tubes 204, and the cooling water flow rate that the finer shunt tubes 204 made the inboard is faster, thereby let the roll body 105 in keep lower temperature constantly, guarantee cooling efficiency, and simultaneously, biaxial motor 108 drives cooling water outlet pipe 203 and roll body 105 respectively and carries out opposite direction rotation, a plurality of shunt tubes 204 laminating roll contact constantly of inner wall of roll body 105 promptly, thereby let whole roll body 105 inner wall and the abundant contact of shunt tubes 204, improve heat exchange efficiency.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A cooling roll for producing a polyethylene film, comprising:

a main body unit (100) comprising: the roller comprises a mounting frame (101), connecting seats (104) symmetrically arranged on the bottom side of the mounting frame (101), and roller bodies (105) rotatably arranged between the connecting seats (104) on two sides;

a cooling unit (200) comprising: the device comprises a hollow disc (202) respectively arranged at two sides of a roller body (105), a cooling water inlet pipe (201) and a cooling water outlet pipe (203) which are respectively and symmetrically fixedly communicated with the hollow discs (202) at two sides, and a plurality of shunt pipes (204) which are communicated with each other and arranged between the hollow discs (202) at two sides;

the main body unit (100) further comprises a double-shaft motor (108) arranged on one side of the mounting frame (101), and the double-shaft motor (108) drives the cooling water outlet pipe (203) to synchronously rotate through a transmission mechanism.

2. The cooling roll for producing polyethylene film according to claim 1, wherein: the plurality of shunt tubes (204) are in running fit with the hollow discs (202) on the two sides, and the shunt tubes (204) are attached to the inner wall of the roller body (105).

3. The cooling roll for producing polyethylene film according to claim 1, wherein: the transmission mechanism comprises: the driving wheels (109) are respectively and fixedly connected with the output end of the double-shaft motor (108) and the cooling water outlet pipe (203), and a driving belt (110) is arranged between the two driving wheels (109).

4. A cooling roll for producing a polyethylene film according to claim 3, wherein: the output end of the other side of the double-shaft motor (108) is fixedly connected with a pinion (107), and the outer side of the roller body (105) is fixedly connected with a toothed ring (106) meshed with the pinion (107).

5. The cooling roll for producing polyethylene film according to claim 1, wherein: lateral support frames (102) are symmetrically and fixedly connected to the two sides of the mounting frame (101), and guide rollers (103) are rotatably connected to the lateral support frames (102).

6. The cooling roll for producing polyethylene film according to claim 1, wherein: the shunt tube (204) and the roller body (105) are made of metal materials with good heat conductivity.