CN215628590U - Heat uniform roller for waterproof composite non-woven fabric hot rolling mill - Google Patents

Abstract

The utility model discloses a hot uniform roller for a waterproof composite non-woven fabric hot rolling mill, which comprises a roller core, wherein a roller sleeve is sleeved outside the roller core, an oil inlet passage is arranged inside the roller core, a heat insulation layer is arranged inside the roller sleeve, a heating cavity is formed between the heat insulation layer and the roller sleeve, a plurality of first partition plates are arranged inside the heating cavity formed by the heat insulation layer and the roller sleeve, the heating cavity formed by the heat insulation layer and the roller sleeve is divided into a plurality of annular heating chambers by the first partition plates, a plurality of oil inlet branch pipes are connected between the annular heating chambers and the oil inlet passage, and two ends of the oil inlet branch pipes are respectively communicated with the annular heating chambers and the oil inlet passage. The heat uniform roller for the waterproof composite non-woven fabric hot rolling mill can make the temperature of the outer surface more balanced by the flowing heating of the heat conducting oil, and the hot rolling and shaping quality of the composite non-woven fabric is ensured.

Description

Heat uniform roller for waterproof composite non-woven fabric hot rolling mill

Technical Field

The utility model relates to the technical field of auxiliary devices of hot rolling mills, in particular to a hot uniform roller for a waterproof composite non-woven fabric hot rolling mill.

Background

Hot rolling is the last web forming technology in the production process of waterproof composite non-woven fabrics, is a flow of the fabric after cooling and fiber spreading, and has three hot-press heating modes for hot-press forming of flaky raw material short fibers entering upper and lower hot rollers of a hot rolling mill from a main carding machine through hot roller temperature and pressure control adjustment to the temperature and pressure required by the process: steam heating, electric heating and oil heating, and heating the hot roller through heat-conducting oil is a common heating technical means at present.

The existing waterproof composite non-woven fabric hot rolling mill usually adopts an oil supply mode that one end is fed with oil and the other end is discharged with oil when heating the hot rolling roll, and the oil supply mode is long in flow path of heat transfer oil, so that heat loss is fast in heat exchange, the temperature of the heat transfer oil at the rear end of the path is lower than that of the heat transfer oil at the front end of the path, the temperature of the outer surface of the hot rolling roll is uneven, and the hot rolling and shaping quality of the composite non-woven fabric is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat uniform roller for a waterproof composite non-woven fabric hot rolling mill, which aims to solve the problem that when the existing waterproof composite non-woven fabric hot rolling mill heats a hot rolling roller through heat conduction oil, the temperature of the heat conduction oil at the rear end of a path is lower than that of the heat conduction oil at the front end of the path due to the longer flow path of the heat conduction oil and the quicker heat loss during heat exchange.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hot even roller of waterproof type composite non-woven fabrics hot rolling mill, includes the roller core, the roller shell has been cup jointed to the outside of roller core, the inside of roller core is equipped with the oil feed passageway, the inside of roller shell is equipped with the heat preservation, form the heating chamber between heat preservation and the roller shell, the heating intracavity portion that heat preservation and roller shell formed is equipped with the first baffle of a plurality of, a plurality of annular heating chamber is separated into with the heating chamber that heat preservation and roller shell formed to first baffle, be connected with a plurality of oil feed branch pipe between annular heating chamber and the oil feed passageway, just the both ends of oil feed branch pipe are linked together with annular heating chamber and oil feed passageway respectively.

Preferably, a plurality of baffle plates are arranged inside the annular heating chamber, and the baffle plates are vertically and alternately distributed inside the annular heating chamber.

Preferably, a plurality of second partition plates are arranged around the interior of the annular heating chamber, and the second partition plates divide the annular heating chamber into a plurality of fan-shaped heating chambers.

Preferably, the oil inlet branch pipes are distributed in a surrounding manner by taking the roller core as the center, and one end of each oil inlet branch pipe, which is positioned on the annular heating chamber, corresponds to the fan-shaped heating chamber one by one.

Preferably, a backflow cavity is formed between the heat-insulating layer and the roller core, and the heat-insulating layer is provided with a plurality of backflow holes.

Preferably, a backflow channel is arranged inside one end of the roller core, an overflow port is arranged on the backflow channel in an encircling mode, and the overflow port is communicated with the backflow cavity.

Compared with the prior art, the utility model has the beneficial effects that: the heat uniform roller for the waterproof composite non-woven fabric hot rolling mill can make the temperature of the outer surface more balanced by the flowing heating of the heat conducting oil, and the hot rolling and shaping quality of the composite non-woven fabric is ensured. The heat conduction oil in the oil inlet channel of the device can flow into each annular heating chamber through the oil inlet branch pipe, so that the heat conduction oil can be uniformly dispersed in the roller sleeve to heat the roller sleeve, and the quality of non-woven fabric hot rolling and shaping due to unbalanced influence of the heat conduction oil on the internal temperature of the roller sleeve caused by long flow path of the heat conduction oil and heat loss during heat exchange is avoided.

Drawings

FIG. 1 is a schematic view of a hot uniformity roller for a waterproof composite nonwoven fabric hot rolling machine according to the present invention;

FIG. 2 is a schematic view of the internal structure of the annular heating chamber of the heat homogenizing roller for the waterproof composite non-woven fabric hot rolling mill of the present invention;

fig. 3 is a schematic view of a connection structure of a reflux cavity and an oil inlet channel of the hot uniform roller for the waterproof composite non-woven fabric hot rolling mill.

In the figure: 1. the roller comprises a roller core, 2, a roller sleeve, 3, an oil inlet channel, 4, a heat insulation layer, 5, a first partition plate, 6, an annular heating chamber, 7, an oil inlet branch pipe, 8, a return hole, 9, a return cavity, 10, a baffle plate, 11, an overflow port, 12, a return channel, 13, a second partition plate, 14 and a fan-shaped heating chamber.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a heat uniform roller for a waterproof composite non-woven fabric hot rolling mill comprises a roller core 1, a roller sleeve 2 is sleeved outside the roller core 1, an oil inlet channel 3 is arranged inside the roller core 1, an oil inlet is arranged at one end of the oil inlet channel 3, a heat preservation layer 4 is arranged inside the roller sleeve 2, a heating cavity is formed between the heat preservation layer 4 and the roller sleeve 2, a plurality of first clapboards 5 are arranged inside the heating cavity formed by the heat preservation layer 4 and the roller sleeve 2, the heating cavity formed by the heat preservation layer 4 and the roller sleeve 2 is divided into a plurality of annular heating chambers 6 by the first clapboards 5, a plurality of oil inlet branch pipes 7 are connected between the annular heating chambers 6 and the oil inlet channel 3, and two ends of each oil inlet branch pipe 7 are respectively communicated with the annular heating chambers 6 and the oil inlet channel 3, when the roller sleeve 2 carries out hot rolling processing on the composite non-woven fabric and inputs heat conduction oil into the roller core 1 through the oil inlet channel 3 for heating, the heat conduction oil entering the oil inlet channel 3 can flow into each annular heating chamber 6 through the oil inlet branch pipes 7, thereby the heat conduction oil can heat the roller sleeve 2 more uniformly, the unbalance of the temperature of the heat conduction oil caused by the longer flow path of the heat conduction oil and the quicker heat loss during heat exchange is avoided, the temperature of the outer surface of the roller sleeve 2 is more uniform, the quality of the hot rolling and shaping of the composite non-woven fabric is ensured, a plurality of baffle sheets 10 are arranged inside the annular heating chamber 6, the baffle sheets 10 are in staggered distribution from top to bottom inside the annular heating chamber 6, the structural baffle sheets 10 can make the heat conduction oil flow more fully inside the annular heating chamber 6 to ensure the heating effect of the roller sleeve 2, a plurality of second clapboards 13 are arranged around the inside of the annular heating chamber 6, and the second clapboards 13 divide the annular heating chamber 6 into a plurality of fan-shaped heating chambers 14, the fan-shaped heating chambers 14 can further disperse the heat conduction oil, and the uniformity of the roller sleeve 2 is further improved, the oil inlet branch pipe 7 is distributed in a surrounding manner by taking the roller core 1 as a center, one end of the oil inlet branch pipe 7, which is positioned at the annular heating chamber 6, corresponds to the fan-shaped heating chambers 14 one by one, the oil inlet branch pipe 7 can enable heat conduction oil in the oil inlet channel 3 to uniformly flow into the fan-shaped heating chambers 14, the efficiency of heating the roller sleeve 2 is improved, a backflow cavity 9 is formed between the heat preservation layer 4 and the roller core 1, a plurality of backflow holes 8 are formed in the heat preservation layer 4, a backflow channel 12 is arranged inside one end of the roller core 1, an overflow port 11 is formed in the backflow channel 12 in a surrounding manner, the overflow port 11 is communicated with the backflow cavity 9, the heat conduction oil subjected to heat exchange in the structure can flow into the backflow cavity 9 through the backflow holes 8, the heat conduction oil in the backflow cavity 9 can flow out from the backflow channel 12 through the overflow port 11, and the heat conduction oil can be recycled after flowing out.

The working principle is as follows: when the heat uniform roller for the waterproof type composite non-woven fabric hot rolling mill is used, firstly, when heat conduction oil is required to be input into the oil inlet channel 3 to heat the roller sleeve 2, an oil inlet of the oil inlet channel 3 is connected with an external oil conveying pipe, when the heat conduction oil is input into the roller core 1, the heat conduction oil flows into the annular heating chamber 6 separated by the first clapboards 5 through the oil inlet branch pipe 7, the heat conduction oil entering the annular heating chamber 6 is further shunted into the fan-shaped heating chamber 14 through the second clapboards 13, when the heat conduction oil flows in the fan-shaped heating chamber 14, the heat conduction oil can flow more fully through the baffle plates 10, so that the heat conduction oil can heat the roller sleeve 2 more uniformly, the temperature of the outer surface of the roller sleeve 2 is more uniform, the quality of hot rolling and shaping of the composite non-woven fabric is ensured, when the heat conduction oil flows into the backflow cavity 9 through the backflow holes 8 after heat exchange in the fan-shaped heating chamber 14, the heat conducting oil in the return cavity 9 then flows out from the return channel 12 through the overflow port 11, so that the heat conducting oil can be recycled after flowing out, and a series of work can be completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a waterproof type compound non-woven fabrics hot rolling mill is with hot even roller, includes roller core (1), roller shell (2) have been cup jointed to the outside of roller core (1), the inside of roller core (1) is equipped with oil feed passageway (3), its characterized in that: the inside of roller shell (2) is equipped with heat preservation (4), form the heating chamber between heat preservation (4) and roller shell (2), heat preservation (4) are equipped with the first baffle of a plurality of (5) with the heating chamber inside that roller shell (2) formed, a plurality of annular heating chamber (6) are separated into with the heating chamber that heat preservation (4) and roller shell (2) formed in first baffle (5), be connected with a plurality of oil feed branch pipe (7) between annular heating chamber (6) and oil feed passageway (3), just the both ends of oil feed branch pipe (7) are linked together with annular heating chamber (6) and oil feed passageway (3) respectively.

2. The hot even roll for the waterproof composite non-woven fabric hot rolling machine according to claim 1, characterized in that: a plurality of blocking pieces (10) are arranged inside the annular heating chamber (6), and the blocking pieces (10) are distributed in the annular heating chamber (6) in a vertically staggered mode.

3. The hot even roll for the waterproof composite non-woven fabric hot rolling machine according to claim 1, characterized in that: the annular heating chamber (6) is internally provided with a plurality of second clapboards (13) in a surrounding way, and the second clapboards (13) divide the annular heating chamber (6) into a plurality of fan-shaped heating chambers (14).

4. The hot even roll for the waterproof composite non-woven fabric hot rolling machine according to claim 3, characterized in that: the oil inlet branch pipes (7) are distributed in a surrounding manner by taking the roller cores (1) as centers, and one ends of the oil inlet branch pipes (7) positioned on the annular heating chambers (6) correspond to the fan-shaped heating chambers (14) one by one.

5. The hot even roll for the waterproof composite non-woven fabric hot rolling machine according to claim 1, characterized in that: a backflow cavity (9) is formed between the heat-insulating layer (4) and the roller core (1), and a plurality of backflow holes (8) are formed in the heat-insulating layer (4).

6. The hot even roll for the waterproof composite non-woven fabric hot rolling machine according to claim 5, characterized in that: the roller core is characterized in that a backflow channel (12) is arranged inside one end of the roller core (1), an overflow port (11) is arranged on the backflow channel (12) in an encircling mode, and the overflow port (11) is communicated with the backflow cavity (9).

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