Conductive roller with internal cooling structure

Abstract

The utility model provides a conductive roller with an internal cooling structure, which comprises a transmission shaft and a roller mounted on the transmission shaft, first shaft rings are correspondingly arranged on two sides of the transmission shaft, and the first shaft rings on two sides of the transmission shaft are hermetically connected with two sides of the roller; a second shaft ring is correspondingly arranged on one side of the transmission shaft in the roller, an annular first cooling liquid cavity is correspondingly formed between the second shaft ring and the first shaft ring close to one side, and an annular second cooling liquid cavity is correspondingly formed between the second shaft ring and the first shaft ring far away from the other side; a spiral cooling liquid channel is correspondingly machined in the roller wall of the roller, and one end of the spiral cooling liquid channel communicates with the interior of the first cooling liquid cavity. The conductive roller provided by the utility model is relatively rapid and uniform in cooling and relatively good in cooling effect, the condition of non-uniform cooling of the conductive roller caused by relatively large temperature difference of cooling liquid flowing through two sides of the conductive roller is well avoided, and the conductive roller is high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of conductive roller, concretely relates to a conductive roller with internal cooling structure. BACKGROUND

[0002] The conductive roller is an important component for forming electrochemical reaction of the aluminum foil in the production of the electrode foil. The main function of the conductive roller is to be connected with the negative pole of the power supply, so that the whole electroplating system forms a complete loop, and the current flows from the positive pole of the power supply, through the titanium blue, the conductive film, the conductive roller and the negative pole of the power supply.

[0003] The conductive roller is mainly used for transmitting current and guiding the sheet in the process of chemical treatment, electrolysis, electroplating and hot melting of the rolled sheet in the metallurgical industry. According to the process requirement, the current passing through the conductive roller is usually 5000-25000A, especially in the process of rolling sheet electroplating chromium, the current passing through a single conductive roller can reach more than 20000A. When the passing current is larger, the surface temperature of the conductive roller is higher. Since the roller surface temperature of the conductive roller cannot exceed the production process requirement, other ways are needed to reduce the roller surface temperature. The cooling method of the existing conductive roller is mainly to inject cooling water from one side of the inner cavity of the conductive roller, and then the cooling water flows out from the other side of the conductive roller, so as to reduce the roller surface temperature of the conductive roller through the flowing cooling water. However, this method has defects. When the cooling water slowly flows from one side of the inner cavity of the conductive roller to the other side, the temperature of the cooling water will gradually rise, which makes the temperature of the cooling water passing through the two sides of the conductive roller have a large difference. The whole conductive roller is not uniformly cooled, the cooling effect is poor, and the subsequent use is affected. Therefore, it is necessary to put forward an improved measure to solve the above technical problems.

[0004] It should be noted that the above content belongs to the technical cognition range of the inventor. Since the technical content in the field is vast and complex, the above content of the present application does not necessarily constitute the prior art. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved by the utility model:

[0006] The utility model provides a conductive roller with internal cooling structure, which solves the technical problems in the above background technology.

[0007] 2. Technical scheme:

[0008] In order to achieve the above object, the utility model provides a technical scheme for a conductive roller with an internal cooling structure, which comprises a transmission shaft and a roller drum mounted on the transmission shaft, first shaft rings are arranged on both sides of the transmission shaft, and the first shaft rings on both sides of the transmission shaft are sealingly connected with both sides of the roller drum; a second shaft ring is further arranged on one side of the transmission shaft in the roller drum, a first cooling liquid cavity in the form of a ring is formed between the second shaft ring and the first shaft ring on the same side, and a second cooling liquid cavity in the form of a ring is formed between the second shaft ring and the first shaft ring on the opposite side; a spiral cooling liquid channel is formed in the wall of the roller drum, one end of the spiral cooling liquid channel is in communication with the first cooling liquid cavity, and the other end of the spiral cooling liquid channel is in communication with the second cooling liquid cavity on the side away from the second shaft ring; a liquid inlet channel and a liquid outlet channel are formed in the transmission shaft, the liquid inlet channel is in communication with the first cooling liquid cavity, and the liquid outlet channel is in communication with the second cooling liquid cavity on the side close to the second shaft ring.

[0009] Further, the liquid inlet channel and the liquid outlet channel are arranged on both sides of the transmission shaft, one end of the liquid inlet channel is in communication with the outside, the other end of the liquid inlet channel is in communication with the first cooling liquid cavity, one end of the liquid outlet channel is in communication with the outside, and the other end of the liquid outlet channel is in communication with the second cooling liquid cavity on the side close to the second shaft ring.

[0010] Further, the liquid inlet channel and the liquid outlet channel are arranged on the same side of the transmission shaft, one end of the liquid inlet channel is in communication with the outside, the other end of the liquid inlet channel is in communication with the first cooling liquid cavity, one end of the liquid outlet channel is in communication with the outside, and the other end of the liquid outlet channel is in communication with the second cooling liquid cavity on the side close to the second shaft ring.

[0011] Further, a plurality of first mounting holes are formed in the end faces on both sides of the roller drum, a plurality of second mounting holes are also formed around the outer end faces of the first shaft rings on both sides of the transmission shaft, and the roller drum and the transmission shaft are connected by fastening bolts in the mounting holes on both sides.

[0012] Further, the outer diameters of the first shaft rings and the second shaft rings are matched with the inner diameter of the roller drum, first sealing rings are arranged around the first shaft rings and the inner wall of the roller drum, and second sealing rings are arranged around the second shaft rings and the inner wall of the roller drum.

[0013] 3. Beneficial effects:

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model discloses a reasonable design, through the overall structure of the conductive roller optimization design, when working, the cooling liquid is injected from the liquid inlet channel of one side, first through the first cooling liquid chamber and enters the spiral cooling liquid channel quickly, and the roller cylinder wall is cooled quickly, then the cooling liquid flows into the second cooling liquid chamber from the other side, and from the second cooling liquid chamber backflow, and the conductive roller is cooled and is cooled down as a whole, finally the cooling liquid flows into the liquid outlet channel from the second cooling liquid chamber close to the second collar side, and from the liquid outlet channel, and its overall design is simple and ingenious, and the conductive roller cooling is more fast and uniform, and the cooling effect is better, and the situation that the conductive roller cooling is not uniform because the temperature difference of the cooling liquid flowing through the two sides of the conductive roller is big is avoided, and its overall use is convenient, and the practicality is strong.

[0016] It should be noted that the structures not introduced in the utility model are the same as the prior art or can be realized by using the prior art because they do not involve the design points and improvement direction of the utility model, and details are not repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the overall structure schematic diagram of the conductive roller of the utility model;

[0018] Fig. 2 It is the cross section structure schematic diagram of the liquid inlet channel and the liquid outlet channel of the conductive roller in both sides;

[0019] Fig. 3 It is the cross section structure schematic diagram of the liquid inlet channel and the liquid outlet channel of the conductive roller in one side.

[0020] Reference Signs:

[0021] 1, transmission shaft;101, first collar;102, second collar;103, liquid inlet channel;104, liquid outlet channel;2, roller cylinder;201, spiral cooling liquid channel;202, first cooling liquid chamber;203, second cooling liquid chamber;3, fastening bolt. DETAILED DESCRIPTION

[0022] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0025] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment

[0026] Refer to the drawings Figs. 1-3The electrically conductive roller with internal cooling structure of the embodiment comprises a transmission shaft 1 and a roller cylinder 2 installed on the transmission shaft 1, the roller cylinder 2 is a cavity structure, and first shaft rings 101 are correspondingly arranged on both sides of the transmission shaft 1, and the first shaft rings 101 on both sides of the transmission shaft 1 are sealingly connected with both sides of the roller cylinder 2. A second shaft ring 102 is also correspondingly arranged on one side of the transmission shaft 1 in the roller cylinder 2, and a first cooling liquid cavity 202 in the form of a ring is correspondingly formed between the second shaft ring 102 and the first shaft ring 101 on the same side, and a second cooling liquid cavity 203 in the form of a ring is correspondingly formed between the second shaft ring 102 and the first shaft ring 101 on the opposite side, and the roller cylinder 2 is divided into the first cooling liquid cavity 202 with a smaller space and the second cooling liquid cavity 203 with a larger space by the second shaft ring 102; a spiral cooling liquid channel 201 is correspondingly processed in the cylinder wall of the roller cylinder 2, one end of the spiral cooling liquid channel 201 communicates with the first cooling liquid cavity 202, and the other end of the spiral cooling liquid channel 201 communicates with the side of the second cooling liquid cavity 203 away from the second shaft ring 102; a liquid inlet channel 103 and a liquid outlet channel 104 are correspondingly processed in the transmission shaft 1, the liquid inlet channel 103 communicates with the first cooling liquid cavity 202, and the liquid outlet channel 104 communicates with the side of the second cooling liquid cavity 203 close to the second shaft ring 102.

[0027] Specifically, a plurality of first mounting holes are correspondingly processed in the end faces of both sides of the roller cylinder 2, a plurality of second mounting holes are also correspondingly processed around the outer side end faces of the first shaft rings 101 on both sides of the transmission shaft 1, and the roller cylinder 2 and the transmission shaft 1 are installed and connected through fastening bolts 3 in the mounting holes on both sides. Of course, the transmission shaft 1 and the roller cylinder 2 can also be connected by other existing modes such as gluing, welding or one-piece forming.

[0028] The outer diameter dimensions of the first shaft ring 101 and the second shaft ring 102 match the inner diameter dimension of the roller cylinder 2, that is, the four side faces of the first shaft ring 101 and the second shaft ring 102 can be in close contact with the inner wall of the roller cylinder 2. Considering the sealing problem, a first sealing ring is correspondingly installed between the four side faces of the first shaft ring 101 and the inner wall of the roller cylinder 2; and a second sealing ring is correspondingly installed between the four side faces of the second shaft ring 102 and the inner wall of the roller cylinder 2.

[0029] The liquid inlet channel 103 and the liquid outlet channel 104 can be respectively located on both sides of the transmission shaft 1, one end of the liquid inlet channel 103 communicates with the outside, the other end of the liquid inlet channel 103 communicates with the first cooling liquid cavity 202, one end of the liquid outlet channel 104 communicates with the outside, and the other end of the liquid outlet channel 104 communicates with the side of the second cooling liquid cavity 203 close to the second shaft ring 102.

[0030] In order to facilitate the installation of the conductive roller and the connection of the cooling liquid pipeline, the liquid inlet passage 103 and the liquid outlet passage 104 can also be located on the same side of the transmission shaft 1, one end of the liquid inlet passage 103 is communicated with the outside, and the other end of the liquid inlet passage 103 is communicated with the first cooling liquid cavity 202; one end of the liquid outlet passage 104 is communicated with the outside, and the other end of the liquid outlet passage 104 is communicated with the second cooling liquid cavity 203 close to the second shaft ring 102.

[0031] During work, the cooling liquid is injected from the liquid inlet passage 103 on one side, firstly enters the spiral cooling liquid passage 201 through the first cooling liquid cavity 202, rapidly cools the barrel wall of the roller 2 through the spiral cooling liquid passage 201, then the cooling liquid flows into the second cooling liquid cavity 203 on the other side, and flows back from the second cooling liquid cavity 203 to cool the whole conductive roller, finally the cooling liquid flows into the liquid outlet passage 104 from the side of the second cooling liquid cavity 203 close to the second shaft ring 102, and flows out from the liquid outlet passage 104. If the liquid inlet passage 103 and the liquid outlet passage 104 are located on the two sides of the transmission shaft 1 respectively, the whole cooling effect of the transmission shaft 1 is better, and the specific setting condition can be adaptively selected according to actual installation and use.

[0032] The above-described embodiments only express certain embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application; it should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An electrically conductive roll with internal cooling structure, characterized by: The utility model provides a kind of cooling device of transmission shaft, including transmission shaft (1) and be installed on the roller (2) of transmission shaft (1), the first collar (101) is correspondingly provided with on the both sides of the transmission shaft (1), the first collar (101) between the both sides of the transmission shaft (1) is sealedly connected with the both sides of roller (2);The side of the transmission shaft (1) in the roller (2) is also correspondingly provided with the second collar (102), annular first cooling liquid cavity (202) is formed between the second collar (102) and the first collar (101) of one side, and annular second cooling liquid cavity (203) is formed between the second collar (102) and the first collar (101) of the other side;Spiral cooling liquid channel (201) is correspondingly processed in the cylinder wall of the roller (2), one end of the spiral cooling liquid channel (201) is communicated with the first cooling liquid cavity (202), and the other end of the spiral cooling liquid channel (201) is communicated with the side of the second cooling liquid cavity (203) away from the second collar (102);Liquid inlet channel (103) and liquid outlet channel (104) are correspondingly processed in the transmission shaft (1), the liquid inlet channel (103) is communicated with the first cooling liquid cavity (202), and the liquid outlet channel (104) is communicated with the side of the second cooling liquid cavity (203) close to the second collar (102).

2. The electrically conductive roll with internal cooling structure according to claim 1, characterized in that: The liquid inlet channel (103) and the liquid outlet channel (104) are located on the both sides of the transmission shaft (1), one end of the liquid inlet channel (103) is communicated with the outside, and the other end of the liquid inlet channel (103) is communicated with the first cooling liquid cavity (202);One end of the liquid outlet channel (104) is communicated with the outside, and the other end of the liquid outlet channel (104) is communicated with the side of the second cooling liquid cavity (203) close to the second collar (102).

3. The electrically conductive roll with internal cooling structure according to claim 1, characterized in that: The liquid inlet channel (103) and the liquid outlet channel (104) are located on the same side of the transmission shaft (1), one end of the liquid inlet channel (103) is communicated with the outside, and the other end of the liquid inlet channel (103) is communicated with the first cooling liquid cavity (202);One end of the liquid outlet channel (104) is communicated with the outside, and the other end of the liquid outlet channel (104) is communicated with the side of the second cooling liquid cavity (203) close to the second collar (102).

4. The electrically conductive roll with internal cooling structure according to any one of claims 1-3, characterized in that: A plurality of first mounting holes are correspondingly processed on the both side end faces of the roller (2), a plurality of second mounting holes are also correspondingly processed around the outside end face of the first collar (101) on the both sides of the transmission shaft (1), and the roller (2) and the transmission shaft (1) are installed and connected by the fastening bolts (3) in the mounting holes on the both sides.

5. The electrically conductive roll with internal cooling structure according to any one of claims 1-3, characterized in that: The outer diameter size of the first collar (101) and the second collar (102) matches the inner diameter size of the roller (2);The first sealing ring is correspondingly installed between the first collar (101) and the inner wall of the roller (2) around;The second sealing ring is correspondingly installed between the second collar (102) and the inner wall of the roller (2) around.

Images