CN210523398U

CN210523398U - Roller inner cavity circulating cooling device

Info

Publication number: CN210523398U
Application number: CN201921004101.0U
Authority: CN
Inventors: 袁炜凉; 袁豪
Original assignee: Changzhou Huichen Roller Co Ltd
Current assignee: Changzhou Huichen Roller Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-15
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a roll inner chamber cooling back installation. The cooling device is provided with a fixed sleeve sleeved on a shaft neck, a spiral coil and a shaft body winding pipe, wherein the liquid outlet end of the spiral coil is connected with the liquid inlet end of the shaft body winding pipe; a liquid inlet pipe and a liquid outlet pipe are arranged on the fixed sleeve, a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shaft neck, the liquid outlet end of the liquid inlet pipeline is connected with the liquid inlet end of the spiral coil pipe, and the liquid outlet end of the shaft body winding pipe is connected with the liquid inlet end of the liquid outlet pipeline; the inner wall of the fixed sleeve is provided with an annular liquid inlet groove and an annular liquid outlet groove which are independently distributed, the liquid inlet pipe is communicated with the liquid inlet pipeline through the annular liquid inlet groove, and the liquid outlet pipe is communicated with the liquid outlet pipeline through the annular liquid outlet groove. The middle shaft neck of the utility model rotates, and the fixed sleeve does not rotate, so the external pipeline of the fixed sleeve does not interfere the rotation of the roller when cooling the roller, and the inner cavity of the roller is cooled, thus meeting the conditions of dry production environment, no pollution and the like; the cooling liquid that the drain pipe flows out is cooled through cooling device, pours into the feed liquor pipe into again, realizes cooling cycle, and is energy-concerving and environment-protective.

Description

Roller inner cavity circulating cooling device

Technical Field

The utility model belongs to the technical field of the roll cooling device technique and specifically relates to a roll inner chamber cooling back installation.

Background

At present, the cooling method for the roller is internal cooling and external cooling. The external cooling method is generally to spray cooling liquid around the roller, which is not suitable for the condition that the production environment is required to be dry and pollution-free. The internal cooling method is that the roller is provided with through holes, and cooling liquid is introduced into the through holes, so that the purpose of cooling is achieved through circulation of the cooling liquid. However, the cooling effect of the rollers adopting the internal cooling structure is not good at present, and the heat exchange efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art, and provides the roller inner cavity circulating cooling device which has simple structure, good cooling effect and no interference to the rotation of the roller.

The utility model provides a technical scheme that its technical problem adopted is: a roller inner cavity circulating cooling device comprises a mandrel and a barrel sleeved outside the mandrel, end plates are packaged at two ends of the barrel, the mandrel penetrates through the end plates to be arranged, the mandrel comprises a shaft neck exposed out of the end plates and a shaft body positioned in the inner cavity of the barrel, a fixing sleeve sleeved on the shaft neck, a spiral coil and a shaft body winding pipe are arranged on the shaft neck, the spiral coil is distributed on the inner wall of the barrel, the shaft body winding pipe is wound on the outer side of the shaft body, and a liquid outlet end of the spiral coil is connected with a liquid inlet end of the; a bearing is arranged between the fixed sleeve and the shaft neck, a liquid inlet pipe and a liquid outlet pipe are arranged on the fixed sleeve, a liquid inlet pipeline and a liquid outlet pipeline are arranged on the shaft neck, a liquid outlet end of the liquid inlet pipeline is connected with a liquid inlet end of the spiral coil pipe, and a liquid outlet end of the shaft body winding pipe is connected with a liquid inlet end of the liquid outlet pipeline; the inner wall of the fixed sleeve is provided with an annular liquid inlet groove and an annular liquid outlet groove which are independently distributed, the liquid inlet pipe is communicated with the liquid inlet pipeline through the annular liquid inlet groove, and the liquid outlet pipe is communicated with the liquid outlet pipeline through the annular liquid outlet groove.

Furthermore, the inner wall of the cylinder is vertically welded with annular fins, the fins and the cylinder are concentrically arranged, and the fins are positioned on two sides of each circle of spiral coil, so that the cooling effect of the cylinder is better improved.

The utility model has the advantages that: the utility model has simple structure, reasonable design and simple operation, the bearing is arranged between the fixed sleeve and the shaft neck, the shaft neck rotates, the fixed sleeve does not rotate, therefore, the external pipeline of the fixed sleeve does not interfere the rotation of the roller in the roller cooling, the inner cavity of the roller is cooled, and the conditions of dry production environment, no pollution and the like are met; in addition, the cooling liquid flowing out of the liquid outlet pipe is cooled by the cooling device and is injected into the liquid inlet pipe again, so that cooling circulation is realized, energy is saved, environment is protected, and energy consumption is reduced.

Drawings

The present invention will be further described with reference to the accompanying drawings and embodiments.

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

In the figure, 1, a fixed sleeve, 2, a liquid inlet pipe, 3, an annular liquid inlet groove, 4, a liquid inlet pipeline, 5, a liquid outlet pipe, 6, an annular liquid outlet groove, 7, a liquid outlet pipeline, 8, a shaft body winding pipe, 9, a spiral coil pipe, 10, a cylinder body, 11, a fin, 12, an end plate, 13, a shaft neck and 14, a shaft body are arranged.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the roller inner cavity circulating cooling device includes a mandrel and a cylinder 10 sleeved outside the mandrel, end plates 12 are packaged at two ends of the cylinder 10, the mandrel passes through the end plates 12, the mandrel includes a shaft neck 13 exposed out of the end plates 12 and a shaft body 14 located in the inner cavity of the cylinder 10, a fixing sleeve 1 sleeved on the shaft neck 13, a spiral coil 9 and a shaft body winding pipe 8 are provided, the spiral coil 9 is distributed on the inner wall of the cylinder 10, the shaft body winding pipe 8 is wound outside the shaft body 14, and a liquid outlet end of the spiral coil 9 is connected with a liquid inlet end of the shaft body winding pipe 8; a bearing is arranged between the fixed sleeve 1 and the shaft neck 13, a liquid inlet pipe 2 and a liquid outlet pipe 5 are arranged on the fixed sleeve 1, a liquid inlet pipeline 4 and a liquid outlet pipeline 7 are arranged on the shaft neck 13, the liquid outlet end of the liquid inlet pipeline 4 is connected with the liquid inlet end of the spiral coil pipe 9, and the liquid outlet end of the shaft body winding pipe 8 is connected with the liquid inlet end of the liquid outlet pipeline 7; the inner wall of the fixed sleeve 1 is provided with an annular liquid inlet groove 3 and an annular liquid outlet groove 6 which are independently distributed, the liquid inlet pipe 2 is communicated with the liquid inlet pipeline 4 through the annular liquid inlet groove 3, and the liquid outlet pipe 5 is communicated with the liquid outlet pipeline 7 through the annular liquid outlet groove 6.

The inner wall of the cylinder 10 is vertically welded with an annular fin 11, the fin 11 and the cylinder 10 are concentrically arranged, and the fin 11 is positioned at two sides of each circle of the spiral coil 9.

The coolant liquid gets into from feed liquor pipe 2, then in proper order through annular feed liquor groove 3, feed liquor pipeline 4, spiral coil 9, axle body around pipe 8, drain pipe 7, annular drain tank 6 and drain pipe 5, to barrel 10 and axle body 14 cooling, the coolant liquid that 5 flows of drain pipes passes through the cooling device cooling, pours into feed liquor pipe 2 into again into, realizes cooling cycle, and is energy-concerving and environment-protective, reduces the energy consumption.

A bearing is arranged between the fixed sleeve 1 and the shaft neck 13, the shaft neck 13 rotates, and the fixed sleeve 1 does not rotate along with the shaft neck, so that the external pipeline of the fixed sleeve 1 cools the roller without interfering the rotation of the roller.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a roll inner chamber circulative cooling device, roll include that dabber and cover locate barrel (10) in the dabber outside, and barrel (10) both ends are packaged with end plate (12), and the dabber passes end plate (12) and sets up, and the dabber is including axle journal (13) that expose end plate (12) and axle body (14) that are located barrel (10) inner chamber, its characterized in that: the device is provided with a fixed sleeve (1) sleeved on a shaft neck (13), a spiral coil (9) and a shaft body winding pipe (8), wherein the spiral coil (9) is distributed on the inner wall of a cylinder body (10), the shaft body winding pipe (8) is wound on the outer side of a shaft body (14), and the liquid outlet end of the spiral coil (9) is connected with the liquid inlet end of the shaft body winding pipe (8); a bearing is arranged between the fixed sleeve (1) and the shaft neck (13), a liquid inlet pipe (2) and a liquid outlet pipe (5) are arranged on the fixed sleeve (1), a liquid inlet pipeline (4) and a liquid outlet pipeline (7) are arranged on the shaft neck (13), the liquid outlet end of the liquid inlet pipeline (4) is connected with the liquid inlet end of the spiral coil pipe (9), and the liquid outlet end of the shaft body winding pipe (8) is connected with the liquid inlet end of the liquid outlet pipeline (7); the inner wall of the fixed sleeve (1) is provided with an annular liquid inlet groove (3) and an annular liquid outlet groove (6) which are independently distributed, the liquid inlet pipe (2) is communicated with the liquid inlet pipeline (4) through the annular liquid inlet groove (3), and the liquid outlet pipe (5) is communicated with the liquid outlet pipeline (7) through the annular liquid outlet groove (6).

2. The roll bore recirculation cooling arrangement of claim 1, wherein: the inner wall of the cylinder body (10) is vertically welded with annular fins (11), the fins (11) and the cylinder body (10) are concentrically arranged, and the fins (11) are positioned on two sides of each circle of the spiral coil pipe (9).