CN221268777U - Internal circulation cooling roller for coating machine - Google Patents

Abstract

The utility model discloses an internal circulation cooling roller for a coating machine, which comprises an outer sleeve steel pipe, an inner sleeve steel pipe, outer flanges and half shafts, wherein the outer flanges and the half shafts are arranged at two ends of the outer sleeve steel pipe and the inner sleeve steel pipe in a sealing manner; the two half shafts are respectively penetrated through the corresponding outer flanges and connected with the corresponding inner flanges, and the half shafts are provided with channels; the channel, the cavity, the through hole and the runner are communicated.

Description

Internal circulation cooling roller for coating machine

Technical Field

The utility model relates to the technical field of coating machines, in particular to an internal circulation cooling roller for a coating machine.

Background

The cooling roller for cooling the coated substrate is generally designed on the coating machine, the cooling roller for the coating machine usually adopts two types of air cooling and water cooling, the cooling efficiency of air cooling is the lowest, the cooling roller is generally used for directly cooling through water when the substrate needs to be rapidly cooled or the drying temperature of the substrate is higher, in the prior art, the cooling roller has a simple structure, cooling water is introduced into the hollow cooling roller through one shaft end and is led out through the other shaft end, hot water which cannot be led out in time always exists in the cooling roller due to the turbulence phenomenon, the cooling temperature uniformity is poor, the cooling efficiency is low, and energy is wasted.

Disclosure of Invention

The utility model aims to provide an internal circulation cooling roller for a coating machine, which aims to solve the technical problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: provided is an internal circulation cooling roller for a coater, comprising: the inner sleeve steel pipe 7 is provided with a plurality of through holes 10 at the position of the cavity 9, wherein a cavity 9 is formed between the outer flange 4 and the inner flange 5, a plurality of flow passages 12 are formed between the inner wall of the outer sleeve steel pipe 6 and the outer wall of the inner sleeve steel pipe 7, and a plurality of through holes 10 are formed in the inner sleeve steel pipe 7; the two half shafts 3 are respectively penetrated through the corresponding outer flanges 4 and connected with the corresponding inner flanges 5 at the inner ends, and the half shafts 3 are provided with channels 11; the channel 11, the cavity 9, the through hole 10 and the runner 12 are communicated.

Further, a plurality of spiral blades 8 are uniformly distributed on the outer circumference of the inner sleeve steel pipe 7, the outer side surfaces of the spiral blades 8 are abutted against the inner wall of the outer sleeve steel pipe 6, the areas between any two adjacent spiral blades 8 and the outer sleeve steel pipe 6 and the inner sleeve steel pipe 7 form a flow channel 12, and two ends of the flow channel 12 are communicated with the corresponding cavity 9 through a corresponding through hole 10.

Furthermore, a step 401 is convexly arranged at one end of the outer flange 4, which faces the inner flange 5, the outer diameter of the step 401 is the same as that of the inner flange 5, the inner sleeve steel pipe 7 is sleeved on the step 401, and the end face of the inner sleeve steel pipe 7 is abutted to the bottom face of the step 401.

Further, the end of the spiral blade 8 abuts against the bottom surface of the step 401.

Further, a rotary joint 1 is arranged at the outer end of the half shaft 3, and a bearing 2 is arranged on the journal of the half shaft 3.

The internal circulation cooling roller for the coating machine has the following beneficial effects: compared with the prior art, the internal circulation cooling roller for the coating machine is provided with the independent flow channel formed by the plurality of spiral blades between the inner sleeve steel pipe and the outer sleeve steel pipe, and the outer side surfaces of the spiral blades are abutted with the inner wall of the outer sleeve steel pipe, so that heat on the outer sleeve steel pipe can be directly transferred to water flow of the flow channel on one hand, and can be transferred to water flow of the flow channel through the two side walls of the spiral blades on the other hand, the heat dissipation area is increased, and the cooling effect is improved; meanwhile, the flow channels are independent and are communicated with the cavity through the through holes at two ends, so that the flow cross section of each flow channel is small, and the phenomenon of turbulence and backflow is not easy to occur when water flows from the water inlet end to the water outlet end, and the cooling uniformity is improved; the flow channel is arranged in a spiral shape, so that the length of a water flow path is increased, the water flow can fully absorb heat on the outer sleeve steel pipe, and the cooling efficiency is further improved; meanwhile, in the running process of the cooling roller, suction force can be generated on water flow at the water inlet end by utilizing a spiral effect, and the load of the cooling water pump can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a helical blade structure according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

Wherein, each reference sign in the figure: 1. a rotary joint; 2. a bearing; 3. a half shaft; 4. an outer flange; 401. a step; 5. an inner flange; 6. sleeving the steel pipe; 7. a steel pipe is sleeved in the inner sleeve; 8. a helical blade; 9. a cavity; 10. a through hole; 11. a channel; 12. a flow channel.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 3, an internal circulation cooling roller structure for a coater according to an embodiment of the application will be described. The internal circulation cooling roller for the coating machine comprises an outer sleeve steel pipe 6, an inner sleeve steel pipe 7, an outer flange 4 and a half shaft 3, wherein the outer flange 4 and the half shaft 3 are arranged at two ends of the outer sleeve steel pipe 6 and the inner sleeve steel pipe 7 in a sealing mode, and the internal circulation cooling roller comprises the following components: an inner flange 5 is correspondingly arranged at the near two ends of the inner wall of the inner sleeve steel pipe 7 and the outer flange 4, a cavity 9 is formed between the outer flange 4 and the inner flange 5, a plurality of flow passages 12 are arranged between the inner wall of the outer sleeve steel pipe 6 and the outer wall of the inner sleeve steel pipe 7, and a plurality of through holes 10 are formed in the inner sleeve steel pipe 7 at the position of the cavity 9; the two half shafts 3 are respectively penetrated through the corresponding outer flanges 4 and connected with the corresponding inner flanges 5 at the inner ends, and the half shafts 3 are provided with channels 11; the channels 11, the cavities 9, the through holes 10 and the flow channels 12 are communicated, so that the flow channels 12 in the inner sleeve steel pipe 7 and the outer sleeve steel pipe 6 are independent, and are communicated with the cavities 9 only at two ends through the through holes 10, so that the flow cross section of each flow channel 12 is small, the phenomenon of turbulence and backflow is not easy to occur when water flows from the water inlet end to the water outlet end, and the cooling uniformity is improved.

In another embodiment of the present application, referring to fig. 1 to 2, a plurality of spiral blades 8 are uniformly distributed on the outer circumference of the inner sleeve steel pipe 7, the outer side surfaces of the spiral blades 8 are abutted against the inner wall of the outer sleeve steel pipe 6, the areas between any two adjacent spiral blades 8 and the outer sleeve steel pipe 6 and the inner sleeve steel pipe 7 form a flow channel 12, two ends of the flow channel 12 are communicated with corresponding cavities 9 through corresponding through holes 10, and through the arrangement, independent flow channels formed by a plurality of spiral blades 8 are arranged between the inner sleeve steel pipe 7 and the outer sleeve steel pipe 6, and as the outer side surfaces of the spiral blades 8 are abutted against the inner wall of the outer sleeve steel pipe 6, heat on the outer sleeve steel pipe 6 can be directly transferred into the water flow of the flow channel 12, and on the other hand, heat dissipation area can be increased and cooling effect can be improved by transferring the heat on the two side walls of the spiral blades 8 into the water flow of the flow channel 12; the flow channel 12 is arranged in a spiral shape, so that the length of a water flow path is increased, and the water flow can fully absorb heat on the outer sleeve steel pipe 6, so that the cooling efficiency is further improved; meanwhile, in the running process of the cooling roller, suction force can be generated on water flow at the water inlet end by utilizing a spiral effect, and the load of the cooling water pump can be reduced.

In another embodiment of the present utility model, referring to fig. 1 to 3, the outer flange 4 protrudes toward one end of the inner flange 5 to form a step 401, the outer diameter of the step 401 is the same as the outer diameter of the inner flange 5, the inner sleeve pipe 7 is sleeved on the step 401, and the bottom surface of the step 401 on the end surface of the inner sleeve pipe 7 abuts, so that the coater of the present utility model is convenient to manufacture with the inner circulation cooling roller, the sealing performance of each joint is improved, and the production efficiency is improved.

In another embodiment of the present application, referring to fig. 1 to 3, the end of the spiral blade 8 abuts against the bottom surface of the step 401, so that each flow channel 12 becomes an independent flow channel, and the water flow in each flow channel 12 is effectively isolated, so that the water flow can better absorb the heat on the jacket steel pipe 6 from the water inlet end through the flow channel 12 and flow to the water outlet end, and the cooling effect is ensured.

In another embodiment of the present application, referring to fig. 1, a rotary joint 1 is installed at the outer end of a half shaft 3, and a bearing 2 is installed on the journal of the half shaft 3, so that cooling water flows from a water inlet end to a water outlet end along a spiral flow channel faster after the inner circulation cooling roller for a coating machine rotates by passing water, and the cooling effect is increased.

According to the internal circulation cooling roller for the coating machine, a plurality of independent spiral flow channels are arranged between the inner steel pipe and the outer steel pipe, the outer side faces of the spiral blades of the spiral flow channels are abutted against the inner wall of the outer steel pipe, water in the flow channels can directly contact with the inner wall of the outer steel pipe in the running process of the cooling roller, and the flow channels are spiral, so that cooling water can flow from the water inlet end to the water outlet end more quickly, heat energy on the outer steel pipe is taken away quickly, the cooling speed is increased, and the production efficiency of the coating machine is further improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an inner loop chill roll for coating machine, includes overcoat steel pipe (6) and endotheca steel pipe (7), seals and sets up overcoat steel pipe (6) with outer flange (4) and semi-axis (3) at endotheca steel pipe (7) both ends, its characterized in that: an inner flange (5) is correspondingly arranged at the near two ends of the inner wall of the inner sleeve steel pipe (7) and the outer flange (4), a cavity (9) is formed between the outer flange (4) and the inner flange (5), a plurality of flow passages (12) are arranged between the inner wall of the outer sleeve steel pipe (6) and the outer wall of the inner sleeve steel pipe (7), and a plurality of through holes (10) are formed in the inner sleeve steel pipe (7) and located in the position of the cavity (9); the two half shafts (3) are respectively penetrated through the corresponding outer flanges (4) and connected with the corresponding inner flanges (5), and the half shafts (3) are provided with channels (11); the channel (11), the cavity (9), the through hole (10) and the runner (12) are communicated.

2. The internal circulation cooling roll for a coater according to claim 1, wherein: the novel steel pipe is characterized in that a plurality of spiral blades (8) are uniformly distributed on the outer circumference of the inner sleeve steel pipe (7), the outer side faces of the spiral blades (8) are in butt joint with the inner wall of the outer sleeve steel pipe (6), the area between any two adjacent spiral blades (8) and the outer sleeve steel pipe (6) and the inner sleeve steel pipe (7) forms a flow passage (12), and two ends of the flow passage (12) are communicated with the corresponding cavity (9) through corresponding through holes (10).

3. The internal circulation cooling roll for a coater according to claim 2, wherein: the outer flange (4) is provided with a step (401) towards one end of the inner flange (5) in a protruding mode, the outer diameter of the step (401) is identical to that of the inner flange (5), the inner sleeve steel pipe (7) is sleeved on the step (401), and the end face of the inner sleeve steel pipe (7) is abutted to the bottom face of the step (401).

4. The internal circulation cooling roll for a coater according to claim 3, wherein: the end part of the spiral blade (8) is abutted with the bottom surface of the step (401).

5. The internal circulation cooling roller for a coater according to any one of claims 1 to 4, wherein: the outer end of the half shaft (3) is provided with a rotary joint (1), and the shaft neck of the half shaft (3) is provided with a bearing (2).