CN216153039U

CN216153039U - Longitudinal drawing unit preheating roller set

Info

Publication number: CN216153039U
Application number: CN202121491441.8U
Authority: CN
Inventors: 王文静; 王光科; 唐伟; 李云鹏
Original assignee: Zhonghui Ruineng Fengyang New Material Technology Co ltd
Current assignee: Zhonghui Ruineng Fengyang New Material Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-04-01
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a preheating roller set of a longitudinal drawing unit, which comprises a roller seat, wherein two ends of an outer roller are rotatably connected to the roller seat through a main shaft, an inner roller coaxially connected with the outer roller is arranged on an inner ring of the outer roller, a heat conduction layer is arranged between the inner roller and the outer roller, a spirally arranged surrounding water pipe is arranged in the heat conduction layer and is connected with a heat supply device, a driving motor is arranged on the roller seat, the output end of the driving motor is in transmission connection with the main shaft through a belt, and a temperature measuring component is arranged on the roller seat. The heating water tank is simple in structure, the heating water tank heats water in the heating water tank, the pump body drives water flow to circulate to heat the surrounding water pipe, the surrounding water pipe transmits heat to the heat conduction foam, the heat conduction foam uniformly transmits the heat to the outer roller, and the outer roller is uniformly heated, so that uniform heating is realized.

Description

Longitudinal drawing unit preheating roller set

Technical Field

The utility model relates to the technical field of film processing, in particular to a preheating roller set of a longitudinal drawing unit.

Background

The polyimide film is yellow and transparent, has the relative density of 1.39-1.45, has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation performance, and can be used in air at 250-280 ℃ for a long time. The glass transition temperatures were 280 ℃ (UpilexR), 385 ℃ (Kapton) and 500 ℃ or higher (UpilexS), respectively. The tensile strength is 200MPa at 20 ℃ and is more than 100MPa at 200 ℃. The material is particularly suitable for being used as a base material of a flexible printed circuit board and insulating materials of various high-temperature resistant motors and electrical appliances; in the preparation process of the polyimide film, the roller set needs to be preheated, but the prior roller set is difficult to realize uniform temperature rise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a preheating roller set of a longitudinal drawing unit.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a indulge and draw unit preheating roller set, includes the roller seat, the both ends of outer roller are passed through the main shaft and are rotated the connection on the roller seat, and the inner circle of outer roller is equipped with rather than coaxial coupling's interior roller, is equipped with the heat-conducting layer between interior roller and the outer roller, is equipped with the water pipe that encircles of spiral setting in the heat-conducting layer, encircles the water pipe and is connected with heating device, installs driving motor on the roller seat, and driving motor's output passes through the belt drive with the main shaft and is connected, installs the temperature measurement part on the roller seat.

Preferably, the heating device is including installing heating water tank and the pump body on the roller seat, and the input and the heating water tank of the pump body are connected, and the output and the heating water tank of the pump body all lead to pipe and the both ends of encircleing the water pipe and rotate through connection.

Preferably, the temperature measuring component comprises a rod seat arranged on the roller seat, the inner wall of the rod seat is connected with a heat conducting rod through a spring, and a thermometer is arranged on the heat conducting rod.

Preferably, the gap surrounding the water pipe is filled with heat-conducting foam.

Preferably, the end of the heat conducting rod contacting with the side surface of the outer roller is spherical.

Compared with the prior art, the utility model has the beneficial effects that: the heating water tank is simple in structure, the heating water tank heats water in the heating water tank, the pump body drives water flow to circulate to heat the surrounding water pipe, the surrounding water pipe transmits heat to the heat conduction foam, the heat conduction foam uniformly transmits the heat to the outer roller, and the outer roller is uniformly heated, so that uniform heating is realized.

Drawings

In order to more particularly and intuitively illustrate an embodiment of the present invention or a prior art solution, a brief description of the drawings needed for use in the description of the embodiment or the prior art will be provided below.

FIG. 1 is a schematic structural diagram according to the present invention;

fig. 2 is a schematic cross-sectional view of the outer and inner rollers.

In the figure: the roller seat comprises a roller seat 1, a heating water tank 2, a driving motor 3, a pump body 4, an outer roller 5, a thermometer 6, a rod seat 7, a spring 8, a heat conducting rod 9, a surrounding water pipe 10, an inner roller 11 and a heat conducting layer 12.

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.

Referring to fig. 1-2, a longitudinal drawing unit preheating roller set comprises a roller base 1, two ends of an outer roller 5 are rotatably connected to the roller base 1 through a main shaft, an inner roller 11 coaxially connected with the outer roller 5 is arranged on an inner ring of the outer roller 5, a heat conduction layer 12 is arranged between the inner roller 11 and the outer roller 5, a spirally arranged surrounding water pipe 10 is arranged in the heat conduction layer 12 and connected with a heat supply device through the surrounding water pipe 10, a driving motor 3 is installed on the roller base 1, the output end of the driving motor 3 is connected with the main shaft through belt transmission, and a temperature measuring component is installed on the roller base 1.

In this embodiment, heating device is including installing heating water tank 2 and the pump body 4 on roller seat 1, and the input and the heating water tank 2 of the pump body 4 are connected, and the output and the heating water tank 2 of the pump body 4 all lead to pipe and the both ends rotation through connection that encircle water pipe 10, and heating water tank 2 heats the water in it, drives rivers by the pump body 4 and circulates and heat to encircleing water pipe 10, finally gives outer roller 5 with heat transfer, preheats outer roller 5.

In this embodiment, the temperature measurement part is including installing pole seat 7 on roller seat 1, and the inner wall of pole seat 7 is connected with heat conduction pole 9 through spring 8, installs thermometer 6 on the heat conduction pole 9, and heat conduction pole 9 contacts with outer roller 5, gives thermometer 6 with heat transfer, measures the temperature on outer roller 5 surface.

In this embodiment, the gap surrounding the water pipe 10 is filled with heat-conducting foam, and the heat is uniformly transferred to the outer roller 5 by utilizing the heat conductivity of the heat-conducting foam, so that the outer roller 5 is uniformly heated.

Preferably, the end of the heat conducting rod 9 contacting with the side surface of the outer roller 5 is spherical, so that friction is reduced and abrasion is reduced.

In the present case, heating water tank 2 heats the water in it, drives rivers by the pump body 4 and circulates and heat surrounding water pipe 10, surrounds water pipe 10 and gives heat conduction bubble cotton with heat transfer, and heat conduction bubble cotton evenly gives outer roller 5 with heat evenly, makes outer roller 5 evenly heat up to realize evenly rising temperature.

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 technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a indulge and draw unit preheating roller set, includes roller seat (1) and outer roller (5) that are located its top, a serial communication port, the both ends of outer roller (5) are passed through the main shaft and are rotated the connection on roller seat (1), the inner circle of outer roller (5) is equipped with rather than coaxial coupling's interior roller (11), be equipped with heat-conducting layer (12) between interior roller (11) and outer roller (5), be equipped with in heat-conducting layer (12) encircle water pipe (10) that the spiral set up, encircle water pipe (10) and be connected with heating device, install driving motor (3) on roller seat (1), the output and the main shaft of driving motor (3) are connected through the belt drive, install the temperature measurement part on roller seat (1).

2. The set of longitudinal drawing unit preheating rollers as claimed in claim 1, wherein the heat supply device comprises a heating water tank (2) and a pump body (4) which are installed on the roller seat (1), the input end of the pump body (4) is connected with the heating water tank (2), and the output end of the pump body (4) and the heating water tank (2) are connected with two ends of a surrounding water pipe (10) in a rotating and penetrating manner through the water pipe.

3. The set of longitudinally-pulling unit preheating rollers as claimed in claim 2, characterized in that the temperature measuring component comprises a rod seat (7) arranged on the roller seat (1), the inner wall of the rod seat (7) is connected with a heat conducting rod (9) through a spring (8), and a thermometer (6) is arranged on the heat conducting rod (9).

4. A set of longitudinal drawing unit preheat rollers according to claim 3, characterized in that the gaps surrounding the water pipes (10) are filled with heat-conducting foam.

5. The set of longitudinal drawing unit preheating rollers as claimed in claim 4, characterized in that the end of the heat conducting rod (9) in contact with the side surface of the outer roller (5) is spherical.