CN210477963U

CN210477963U - Peripheral heating type corrugated roller

Info

Publication number: CN210477963U
Application number: CN201920994969.3U
Authority: CN
Inventors: 高武兵
Original assignee: Foshan Nanhai Zhongsong Roll Making Co ltd
Current assignee: Foshan Nanhai Zhongsong Roll Making Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-08
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a peripheral heating type corrugated roller, which comprises a roller body, a first shaft head and a second shaft head, wherein the first shaft head and the second shaft head are respectively and fixedly connected with the two ends of the roller body; the roller body is internally provided with a plurality of steam heating flow paths at intervals along the circumferential direction, the plurality of steam heating flow paths comprise an input section, a transition section and a backflow section, wherein the input end of the input section is communicated with the steam input pipeline, the output end of the backflow section is communicated with the steam backflow gap, the transition section is close to the second shaft head, and two ends of the transition section are respectively communicated with the backflow section and the input section.

Description

Peripheral heating type corrugated roller

Technical Field

The utility model belongs to the technical field of the flute roller technique and specifically relates to a peripheral heating type flute roller is related to.

Background

Among the prior art, the heating mode that corrugated board production line adopted is directly lets in the inner chamber of pressure roller roll body with steam, and heat from inner wall to pressure roller surface generally need heat 30 minutes, just can reach the required 150 degrees centigrade's of production temperature, and efficiency is extremely low, and the effect of heating is also not good.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model aims to provide a peripheral heating type corrugating roller that heating effect is good and efficient.

In order to achieve the above purpose, the utility model provides a scheme does: a peripheral heating type corrugated roller comprises a roller body, a first shaft head and a second shaft head which are fixedly connected to two ends of the roller body respectively, wherein a first axial cavity is formed in the first shaft head along the axial direction of the first shaft head; the roller body is internally provided with a plurality of steam heating flow paths at intervals along the circumferential direction, the plurality of steam heating flow paths comprise an input section, a transition section and a backflow section, wherein the input end of the input section is communicated with the steam input pipeline, the output end of the backflow section is communicated with the steam backflow gap, the transition section is close to the second shaft head, and two ends of the transition section are respectively communicated with the backflow section and the input section.

Further, a second axial cavity is formed in the second shaft head along the axial direction of the second shaft head, one end of the second axial cavity is communicated with the inner cavity of the roller body, and the other end of the second axial cavity is communicated with the outside.

Further, the extending directions of the backflow section and the input section are parallel to the central axis of the roller body.

Furthermore, an inner thread is formed on the inner wall of the input end of the steam input pipeline.

Further, the lengths of the input section and the reflux section of the plurality of steam heating pipelines are equal to the length of the roller body.

The utility model discloses the beneficial effect of contrast prior art is, from the steam input pipeline input high temperature steam of first spindle nose, high temperature steam flows in respectively to each steam heating flow path in the roll body through steam input pipeline, and simultaneously in proper order through the input section of each steam heating flow path, the steam backflow clearance outflow from first spindle nose behind changeover portion and the backward flow section, heat transfer to roll body that will self carry through high temperature steam in the inside flow process of roll body, thereby can be high-efficient, play the effect of peripheral heating to the roll body uniformly, compare with traditional roll body heating method, the efficiency and the effect of heating have been improved greatly, make the temperature promotion of roll body more even and quick, high temperature steam can carry out more abundant contact with the roll body is inside, greatly reduced the loss in the heat conduction process.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The device comprises a roller body 1, a roller body 2, a first shaft head 21, a first axial cavity 22, a steam input pipeline 23, a steam backflow gap 3, a second shaft head 31, a second axial cavity 4, a steam heating flow path 41, an input section 42, a transition section 43 and a backflow section.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

referring to fig. 1, the present embodiment is a peripheral heating type corrugating roller, which is composed of a roller body 1, a first shaft head 2 and a second shaft head 3; a cylindrical inner cavity is formed in the roller body 1, and the inner cavity is coaxial with the roller body 1; the first shaft head 2 and the second shaft head 3 are respectively and fixedly connected to two ends of the roller body 1, wherein the central axes of the first shaft head 2 and the second shaft head 3 and the central axis of the roller body 1 are on the same straight line, and the first shaft head 2 and the second shaft head 3 respectively extend into the inner cavities of two ends of the roller body 1 through respective one ends and are fixedly connected with the roller body 1 in an interference fit manner (the connection manner of the shaft heads and the roller body 1 is the prior common knowledge).

In this embodiment, a first axial cavity 21 having a cylindrical shape is formed in the first shaft head 2 along the axial direction thereof, a steam input pipeline 22 is coaxially fixed in the first axial cavity 21, and a steam backflow gap 23 is formed between the outer wall of the steam input pipeline 22 and the inner wall of the first axial cavity 21; in particular, the first axial chamber 21 and the end of the steam feed line 22 remote from the roller body 1 are both open for connection to an external steam system.

In this embodiment, a plurality of steam heating flow paths 4 are distributed in the roller body 1 at equal intervals along the circumferential direction thereof, each of the plurality of steam heating flow paths 4 is composed of an input section 41, a transition section 42 and a backflow section 43 which are sequentially connected, wherein an input end of the input section 41 is communicated with the steam input pipeline 22 in the first shaft head 2, an output end of the backflow section 43 is communicated with the steam backflow gap 23 in the first shaft head 2, the transition section 42 is positioned close to the second shaft head 3 (i.e., away from the first shaft head 2), and two ends thereof are respectively communicated with the backflow section 43 and the input section 41; through such structure, high temperature steam is input from the steam input pipeline 22 of the first spindle nose 2, high temperature steam flows into each steam heating flow path 4 in the roller body 1 through the steam input pipeline 22 respectively, and simultaneously passes through the input section 41 of each steam heating flow path 4 in proper order, the steam backflow gap 23 of the first spindle nose 2 flows out after the transition section 42 and the backflow section 43, heat transfer that carries self to the roller body 1 is carried in the flowing process of the high temperature steam in the roller body 1, thereby being capable of efficiently and uniformly heating the roller body 1, compared with the traditional heating mode of the roller body 1, the efficiency and the effect of heating are greatly improved, the temperature of the roller body 1 is uniformly and rapidly improved, the high temperature steam can be in sufficient contact with the inside of the roller body 1, and the loss in the heat transfer process is greatly reduced.

In the embodiment, the extending directions of the return section 43 and the input section 41 are parallel to the central axis of the roller body 1, and the lengths of the input section 41 and the return section 43 of the plurality of steam heating pipelines are equal to the length of the roller body 1, so that the high-temperature steam can heat all parts in the roller body 1 more fully.

In this embodiment, a second axial cavity 31 having a cylindrical shape is formed in the second shaft head 3 along the axial direction thereof, one end of the second axial cavity 31 is communicated with the inner cavity of the roller body 1, and the other end is communicated with the outside, and the second axial cavity 31 is used for discharging the water vapor formed in the inner cavity of the roller body 1 due to high temperature to the outside.

In this embodiment, the inner wall of the input end of the steam input pipeline 22 is formed with internal threads for external steam equipment to be connected and communicated in a threaded manner.

In the present embodiment, the transition section 42 of each steam heating flow path 4 is formed by drilling the wall surface of the inner cavity of the roller body 1 through a cutter, and the opening of the transition section 42 is shielded and sealed by the outer wall of the second shaft head 3.

In this embodiment, the steam input pipeline 22 and the first shaft head 2 are in a split structure, and one end of the steam input pipeline 22 close to the inner cavity of the roller body 1 is fastened with one end of the first axial cavity 21 close to the inner cavity of the roller body 1 in an interference fit manner.

In this embodiment, both ends of the input section 41 and the return section 43 of each steam heating flow path 4 are open, and are sealed by plugs.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a peripheral heating type corrugated roller, includes roll body (1), respectively the rigid coupling in first spindle nose (2) and second spindle nose (3) at roll body (1) both ends, its characterized in that: a first axial cavity (21) is formed in the first shaft head (2) along the axial direction of the first shaft head, a steam input pipeline (22) is coaxially arranged in the first axial cavity (21), and a steam backflow gap (23) is formed between the outer wall of the steam input pipeline (22) and the inner wall of the first axial cavity (21); the steam heating roller is characterized in that a plurality of steam heating flow paths (4) are distributed in the roller body (1) at intervals along the circumferential direction of the roller body, each steam heating flow path (4) comprises an input section (41), a transition section (42) and a backflow section (43), wherein the input end of the input section (41) is communicated with the steam input pipeline (22), the output end of the backflow section (43) is communicated with the steam backflow gap (23), the transition section (42) is close to the second shaft head (3), and two ends of the transition section are respectively communicated with the backflow section (43) and the input section (41).

2. A peripheral heating type corrugating roller as claimed in claim 1, wherein: and a second axial cavity (31) is formed in the second shaft head (3) along the axial direction of the second shaft head, one end of the second axial cavity (31) is communicated with the inner cavity of the roller body (1), and the other end of the second axial cavity is communicated with the outside.

3. A peripheral heating type corrugating roller as claimed in claim 1, wherein: the extending directions of the backflow section (43) and the input section (41) are parallel to the central axis of the roller body (1).

4. A peripheral heating type corrugating roller as claimed in claim 1, wherein: the inner wall of the input end of the steam input pipeline (22) is formed with internal threads.

5. A peripheral heating type corrugating roller as claimed in claim 1 or 3, wherein: the lengths of the input section (41) and the return section (43) of the plurality of steam heating pipelines are equal to the length of the roller body (1).