High-safety rolling roller with internal fluid heated

Abstract

The utility model relates to the technical field of rolling rollers, and discloses a high-safety rolling roller with heated internal fluid, which comprises an outer cylinder and a bearing seat, a mandrel is mounted at the end of the outer cylinder, the mandrel is rotatably connected with the bearing seat through a bearing, the outer cylinder is rotatably connected with the bearing seat through a bearing, a transmission wheel is mounted at the outer end of the mandrel, and the transmission wheel is rotatably connected with the bearing seat through a bearing. A plurality of oil seals are arranged between the outer cylinder and the bearing seat, a liquid inlet nozzle and a liquid outlet nozzle are arranged on the bearing seat, a separation sleeve is arranged in the outer cylinder, and two ends of the separation sleeve are communicated with each other. According to the utility model, a heat transfer medium circulation channel is formed in the rolling roller by utilizing the bearing seat, the oil seal, the outer cylinder and the separation sleeve, so that the heat of the heat transfer medium is quickly conducted to a material in contact with the outer cylinder through the outer cylinder, internal fluid heating is realized, and compared with the prior art, the rolling roller has the advantages of high heating efficiency, high heat transfer speed and uniform temperature distribution.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rolling roller technical field especially relates to a high safety rolling roller of internal fluid heating. BACKGROUND

[0002] Rolling roller, cylinder is the commonly used component of material support rotary conveying machinery, supports material or utilizes the rotation of itself to drive the rotation or conveying of the material contacted with it.

[0003] Some materials need to be heated on the rolling roller, usually adopt internal electric heating or external (usually two ends or one end) heating to conduct to the material through the rolling roller.

[0004] The current rolling roller has the following problems:

[0005] 1, external heating because of long heat conduction path, corrosion resistance or low thermal conductivity causes low heating efficiency, slow heat transfer speed, uneven temperature distribution and other shortcomings.

[0006] 2, the rolling roller of internal electric heating is not applicable to the flammable and explosive occasions, certain processing environment has flammable and explosive dust or volatile matter, its dangerous substance can enter the oil seal or bearing, reduces the service life of bearing, and even causes combustion explosion and other dangers because of friction, rolling. INVENTION CONTENTS

[0007] The utility model discloses a kind of high safety rolling rollers of internal fluid heating, to solve the problems in prior art.

[0008] To achieve the above object, the utility model adopts the following technical scheme:

[0009] A kind of high safety rolling roller of internal fluid heating, including outer tube and bearing seat, the end of the outer tube is installed with mandrel, the mandrel is rotatably connected with bearing seat by bearing, the outer tube is rotatably connected with bearing seat by bearing, the outer end of the mandrel is installed with transmission wheel, a plurality of oil seals are arranged between the outer tube and bearing seat, the bearing seat is provided with liquid inlet nozzle and liquid outlet nozzle, the inside of the outer tube is installed with separation sleeve, the two ends of the separation sleeve are through, the separation sleeve is as a whole T type, there is gap between the separation sleeve and outer tube, the liquid inlet nozzle, separation sleeve, the gap between separation sleeve and outer tube and liquid outlet nozzle are sequentially communicated.

[0010] Preferably, labyrinth seal is arranged between the outer tube and the end of bearing seat, one side of the labyrinth seal is provided with purging air inlet hole on the bearing seat.

[0011] Preferably, the outer side of the bearing seat is installed with mounting partition.

[0012] Preferably, the liquid inlet nozzle and the liquid outlet nozzle are provided with a leakage water outlet at the bottom of the bearing seat on the other side of the oil seal.

[0013] Compared with the prior art, the internal fluid heating high-safety rolling roller has the advantages that:

[0014] The internal fluid heating high-safety rolling roller has the advantages that the liquid heating mode is safe and explosion-proof, is suitable for an explosive gas or explosive dust environment, and has the advantages of high heating efficiency, fast heat transfer speed and uniform temperature distribution. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The internal fluid heating high-safety rolling roller has the advantages that the liquid heating mode is safe and explosion-proof, is suitable for an explosive gas or explosive dust environment, and has the advantages of high heating efficiency, fast heat transfer speed and uniform temperature distribution.

[0016] In the figure: 1, transmission wheel; 2, bearing seat; 3, liquid inlet nozzle; 4, mandrel; 5, liquid outlet nozzle; 6, oil seal; 7, needle bearing; 8, purging air inlet hole; 9, installation partition; 10, labyrinth seal; 11, outer cylinder; 12, separation sleeve; 13, leakage water outlet; 14, ball bearing. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0018] Referring to Figure 1 An internal fluid heating high-safety rolling roller comprises an outer cylinder 11 and a bearing seat 2, an end of the outer cylinder 11 is provided with a mandrel 4, the mandrel 4 is rotationally connected with the bearing seat 2 through a ball bearing, the outer cylinder 11 is rotationally connected with the bearing seat 2 through a needle bearing 7, an outer end of the mandrel 4 is provided with a transmission wheel 1, the transmission wheel 1 is a belt wheel, a plurality of oil seals 6 are arranged between the outer cylinder 11 and the bearing seat 2, a liquid inlet nozzle 3 and a liquid outlet nozzle 5 are arranged on the bearing seat 2, a separation sleeve 12 is arranged in the outer cylinder 11, both ends of the separation sleeve 12 are through-penetrating, the separation sleeve 12 is in a T shape as a whole, a left T-shaped end of the separation sleeve 12 is sealed with an inner wall of the outer cylinder 11, other parts of the separation sleeve 12 have gaps with the outer cylinder 11, the liquid inlet nozzle 3, the separation sleeve 12, the gap between the separation sleeve 12 and the outer cylinder 11 and the liquid outlet nozzle 5 are sequentially communicated.

[0019] In use, the rolling roller is supplied with hot fluid through the liquid inlet nozzle 3, the hot fluid enters the outer cylinder 11, and then passes through the left side of the partition sleeve 12, the right side of the partition sleeve 12, and the gap between the partition sleeve 12 and the outer cylinder 11, and then is discharged from the liquid outlet nozzle 5, and the heat of the heat transfer medium is quickly conducted to the material in contact with the outer cylinder 11 through the outer cylinder 11, so that the internal fluid is heated, compared with the prior art, the product forms a flow channel of the heat transfer medium by using the bearing seat 2, the oil seal 6, the outer cylinder 11 and the partition sleeve 12 inside the rolling roller, so that the heat of the heat transfer medium is quickly conducted to the material in contact with the outer cylinder 11 through the outer cylinder 11, the internal fluid is heated, and the product has the advantages of safety, high heating efficiency, fast heat transfer speed and uniform temperature distribution.

[0020] In the embodiment, the labyrinth seal 10 is arranged between the outer cylinder 11 and the end of the bearing seat 2, one side of the labyrinth seal 10 is provided with a purge air inlet hole 8 on the bearing seat 2, in order to prevent flammable and explosive gas or dust and other objects from entering the bearing seat 2, in actual use of the device, the purge air inlet hole 8 can be used to fill the air flow to the labyrinth seal 10, so as to prevent the flammable and explosive gas or dust and other objects from flowing back to the bearing and the oil seal 6.

[0021] In the embodiment, the outer side of the bearing seat 2 is provided with a mounting partition plate 9, the mounting partition plate 9 is mainly used for mounting the device to the applied equipment, and is used for isolating the material heating space and the bearing seat 2 part, the bearing seat 2 part can be arranged to have a higher air pressure than the material heating space (in actual use, the bearing seat 2 part is generally mounted in a cabinet, a control cabinet or other space-limited positions), and the air flow is filled to the labyrinth seal 10.

[0022] In the embodiment, the other side of the oil seal 6 adjacent to the liquid inlet nozzle 3 and the liquid outlet nozzle 5 is provided with a leakage water outlet 13 at the bottom of the bearing seat 2, specifically, the liquid inlet nozzle 3 is located on the left side of the liquid outlet nozzle 5, the left side of the oil seal 6 on the left side of the liquid inlet nozzle 3 is provided with a leakage water outlet 13, the right side of the oil seal 6 on the right side of the liquid outlet nozzle 5 is provided with another leakage water outlet 13, if the oil seal 6 adjacent to the liquid inlet nozzle 3 and the liquid outlet nozzle 5 leaks, the leakage water outlet 13 on the other side of the oil seal 6 will leak, so as to avoid the leakage water from entering the bearing, and the leakage water can be observed by naked eye or a corresponding detection sensor is added, so as to realize the leakage water detection.

[0023] The outer cylinder 11 is made of metal copper, metal aluminum, stainless steel or plastic.

[0024] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-safety rolling roller with internal fluid heating, comprising an outer cylinder and a bearing seat, wherein a core shaft is mounted on the end of the outer cylinder, the core shaft is rotatably connected to the bearing seat via a bearing, and the outer cylinder is rotatably connected to the bearing seat via a bearing, a transmission wheel is mounted on the outer end of the core shaft, and a plurality of oil seals are provided between the outer cylinder and the bearing seat, characterized in that: The bearing seat is provided with a liquid inlet nozzle and a liquid outlet nozzle, and a separation sleeve is installed inside the outer cylinder. The two ends of the separation sleeve are connected to each other, and the separation sleeve is T-shaped as a whole. There is a gap between the separation sleeve and the outer cylinder, and the liquid inlet nozzle, the separation sleeve, the gap between the separation sleeve and the outer cylinder, and the liquid outlet nozzle are connected in sequence.

2. The high-safety rolling roller with internal fluid heating according to claim 1, characterized in that: A labyrinth seal is provided between the outer cylinder and the end of the bearing seat, and a purge air inlet hole located on the bearing seat is opened on one side of the labyrinth seal.

3. The high-safety rolling roller with internal fluid heating according to claim 1, characterized in that: An installation partition is installed on the outer side of the bearing seat.

4. The high-safety rolling roller with internal fluid heating according to claim 2, characterized in that: The other side of the liquid inlet and outlet nozzles adjacent to the oil seal is provided with a leakage water outlet located at the bottom of the bearing seat.

5. The high-safety rolling roller with internal fluid heating according to claim 1, characterized in that: The outer cylinder is made of copper, aluminum, stainless steel or plastic.

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