Hot roller device for uncoiling baking oven

Abstract

The utility model relates to a hot roller device for an uncoiling oven, which comprises a hot roller body, an oil cavity is arranged in the hot roller body, heat conduction oil flows in the oil cavity, the hot roller device further comprises a heating piece, and the heating piece is arranged in the oil cavity and used for heating the heat conduction oil in the oil cavity. The heating piece is directly arranged in the hot roller to heat the heat conduction oil flowing in the oil cavity, the structure is simple, the number of equipment parts is reduced, the occupied area of the equipment is reduced, the field space utilization rate is increased, and meanwhile the heating efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery manufacturing, in particular to a hot roller device for an unwinding and baking oven. Background Art

[0002] The manufacturing of lithium-ion batteries is developing towards automation and refinement. In the current production of lithium-ion batteries, during the production process of lithium batteries, due to the influence of moisture, the cycle life of the battery is reduced, there are potential safety hazards, and the production yield is lowered. Baking can significantly remove the moisture in the electrode sheets. For example, a baking device based on gradient heating disclosed in the patent with the publication number CN221444741U includes an oven, an oil roller, a air supply mechanism, and a heating mechanism. The oil roller is rotatably arranged in the oven, the air supply mechanism is communicated with the oven, the heating mechanism is communicated with the oil roller, at least two heating mechanisms are independently arranged, and the heating mechanism includes an oil temperature machine and an oil pipeline. The oil temperature machine is communicated with the oil roller through the oil pipeline; this baking device realizes the gradient heating process of the electrode sheet baking. However, the current heating method of the unwinding and baking oven is to heat the heat-conducting oil by an external device and then transport the heated heat-conducting oil to the hot roller. This method increases the equipment structure, reduces the utilization rate of the production site space, and has a slow heating speed and high energy consumption. Summary of the Utility Model

[0003] Based on this, in view of the technical problems that the current heating method of the unwinding and baking oven is to heat the heat-conducting oil by an external device, which increases the equipment structure, reduces the utilization rate of the production site space, has a slow heating speed, and high energy consumption, the utility model provides a hot roller device for an unwinding and baking oven.

[0004] A hot roller device for an unwinding and baking oven provided by the utility model includes a hot roller body. The interior of the hot roller body is hollow to form an oil cavity, and heat-conducting oil flows in the oil cavity. The hot roller device further includes a heating element, and the heating element is arranged in the oil cavity and is used for heating the heat-conducting oil in the oil cavity.

[0005] By directly arranging a heating element inside the hot roller body to heat the heat-conducting oil flowing in the oil cavity, the utility model has a simple structure, reduces the number of equipment components, reduces the floor area of the equipment, improves the utilization rate of the on-site space, and has a high heating efficiency at the same time.

[0006] As a further improvement of the above solution of the present utility model, the hot roll device further includes an anti-corrosion inner cylinder, which is installed in the oil chamber. The anti-corrosion inner cylinder is hollow inside to form a hollow cavity, and heat-conducting oil flows in the hollow cavity of the anti-corrosion inner cylinder. The heating element is arranged on the anti-corrosion inner cylinder and is used to heat the heat-conducting oil in the oil chamber and the heat-conducting oil in the hollow cavity. By arranging the anti-corrosion inner cylinder inside the hot roll body and setting the heating element on the anti-corrosion inner cylinder, the heating area is increased and the heating efficiency is improved, so that the hot roll body can be quickly heated up.

[0007] As a further improvement of the above solution of the present utility model, the heating element includes a high-frequency wire and a high-frequency power line. The high-frequency wire is spirally wound around the outer periphery of the anti-corrosion inner cylinder. One end of the high-frequency power line is connected to one end of the high-frequency wire, and the other end extends out of the hot roll body.

[0008] As a further improvement of the above solution of the present utility model, mounting shafts one and two are coaxially connected to the two axial ends of the hot roll body respectively; a bearing one and a bearing two are respectively installed outside the mounting shafts one and two. The hot roll body of the present utility model is rotationally connected to the uncoiler baking oven through the bearing one and the bearing two.

[0009] As a further improvement of the above solution of the present utility model, the anti-corrosion inner cylinder is coaxially arranged with the hot roll body, and support shafts one and two are coaxially connected to the two axial ends of the anti-corrosion inner cylinder respectively. The support shaft one is rotationally and cooperatively connected with the hot roll body through a bearing three, and the support shaft two is rotationally and cooperatively connected with the hot roll body through a bearing four. The support shafts one and two respectively penetrate through the mounting shafts one and two coaxially, and the support shafts one and two are respectively rotationally and cooperatively connected with the mounting shafts one and two. Through the rotational cooperation between the support shafts one and two and the mounting shafts one and two respectively, the anti-corrosion inner cylinder can remain stationary when the hot roll body rotates.

[0010] As a further improvement of the above solution of the present utility model, an oil inlet channel communicating with the hollow cavity is provided on the support shaft one, and an oil outlet communicating the hollow cavity with the oil chamber is provided on the anti-corrosion inner cylinder.

[0011] As a further improvement of the above solution of the present utility model, an oil outlet channel is provided on the support shaft two, and an oil guide pipe is arranged in the oil chamber. One end of the oil guide pipe is open, and the other end is communicated with the oil outlet channel.

[0012] As a further improvement of the above solution of the present utility model, the hot roll device further includes a temperature sensor one and a temperature sensor two. The temperature sensor one penetrates through the oil inlet channel and extends into the hollow cavity, and the temperature sensor two penetrates through the oil outlet channel and extends into the oil chamber. Through the temperature sensor one and the temperature sensor two, the temperatures of the heat-conducting oil in the hollow cavity and the oil chamber can be respectively obtained in real time, realizing precise temperature control.

[0013] As a further improvement of the above solution of the present utility model, the hot roll device further includes an oil temperature machine for filtering the heat-conducting oil. The inlet of the oil temperature machine is communicated with the oil outlet channel through a pipeline, and its outlet is communicated with the oil inlet channel through a pipeline.

[0014] As a further improvement of the above solution of the present utility model, the hot roll body is a metal roll with a chrome-plated surface.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The present utility model directly arranges a heating element inside the hot roll to heat the heat-conducting oil flowing in the oil cavity, with a simple structure, reducing the number of equipment components, decreasing the floor area of the equipment, improving the utilization rate of the on-site space, and having a high heating efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a hot roll device for an uncoiler and oven proposed by an embodiment of the present utility model.

[0018] Reference numerals: 1, hot roll body; 2, oil cavity; 3, anti-corrosion inner cylinder; 4, high-frequency wire; 5, high-frequency power line; 6, mounting shaft one; 7, mounting shaft two; 8, bearing one; 9, bearing two; 10, support shaft one; 11, support shaft two; 12, bearing three; 13, bearing four; 14, oil outlet; 15, oil pipe; 16, temperature sensor one; 17, temperature sensor two; 18, oil temperature machine. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below in conjunction with specific embodiments. However, the present utility model can be implemented 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 present utility model more thorough and comprehensive.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0021] Referring to Figure 1 , this embodiment proposes a hot roll device for an uncoiler and oven, which includes a hot roll body 1 and a heating element, and may further include an anti-corrosion inner cylinder 3, a temperature sensor one 16, a temperature sensor two 17, and an oil temperature machine 18.

[0022] The interior of the hot roll body 1 is hollow to form an oil chamber 2. At both axial ends of the hot roll body 1, a first mounting shaft 6 and a second mounting shaft 7 are respectively connected. A first bearing 8 and a second bearing 9 are respectively mounted on the first mounting shaft 6 and the second mounting shaft 7. The hot roll body 1 is rotationally mounted inside the uncoiler and oven through the first bearing 8 and the second bearing 9. In this embodiment, the hot roll body 1 is a surface chromium-plated metal roll.

[0023] The anti-corrosion inner cylinder 3 is coaxially arranged in the oil chamber 2. At both axial ends of the anti-corrosion inner cylinder 3, a first support shaft 10 and a second support shaft 11 are respectively connected. The first support shaft 10 is rotationally and cooperatively connected with the hot roll body 1 through a third bearing 12, and the second support shaft 11 is rotationally and cooperatively connected with the hot roll body 1 through a fourth bearing 13. Moreover, the first support shaft 10 and the second support shaft 11 respectively penetrate through the first mounting shaft 6 and the second mounting shaft 7 coaxially, and the first support shaft 10 and the second support shaft 11 are respectively rotationally and cooperatively connected with the first mounting shaft 6 and the second mounting shaft 7. The first support shaft 10 and the second support shaft 11 can be fixed on the uncoiler and oven. Thus, when the hot roll body 1 rotates, the anti-corrosion inner cylinder 3 can remain stationary. The interior of the anti-corrosion inner cylinder 3 is hollow to form a hollow cavity. The first support shaft 10 is provided with an oil inlet channel communicating with the hollow cavity. The anti-corrosion inner cylinder 3 is provided with an oil outlet 14 communicating the hollow cavity with the oil chamber 2. The second support shaft 11 is provided with an oil outlet channel, and a guide oil pipe 15 communicating with the oil chamber 2 and the oil outlet channel is connected to the second support shaft 11. The oil inlet channel and the oil outlet channel are respectively communicated with the outlet and the inlet of the oil temperature machine 18 through pipelines. Through the oil temperature machine 18, the temperature of the heat-conducting oil can be monitored and impurity filtration treatment can be carried out.

[0024] The heating element includes a high-frequency wire 4 and a high-frequency power line 5. The high-frequency wire 4 is spirally wound around the outer periphery of the anti-corrosion inner cylinder 3. The high-frequency power line 5 is fixedly attached to the outer wall of the first support shaft 10. One end of the high-frequency power line 5 is connected to one end of the high-frequency wire 4, and the other end thereof extends out of the hot roll body 1. After the high-frequency wire 4 is energized through the high-frequency power line 5, the heating function can be realized, and the anti-corrosion inner liner can cooperate with the high-frequency wire 4 to generate heat to heat the heat-conducting oil in the hollow cavity and the oil chamber 2.

[0025] A first temperature sensor 16 passes through the oil inlet channel and extends into the hollow cavity, and a second temperature sensor 17 passes through the oil outlet channel and extends into the oil chamber 2. Through the first temperature sensor 16 and the second temperature sensor 17, the temperatures of the heat-conducting oil in the hollow cavity and the oil chamber 2 can be respectively and real-time obtained.

[0026] When the hot roller device for the uncoiling and baking oven of this embodiment is in use, the heat-conducting oil is introduced into the hollow cavity of the anti-corrosion inner cylinder 3 through the oil inlet channel. After the hollow cavity is filled, the heat-conducting oil will enter the oil cavity 2 through the oil outlet 14. After the oil cavity 2 is filled, the heat-conducting oil will flow through the oil guide pipe 15 and the oil outlet channel into the oil temperature machine 18 for treatment and then flow into the oil inlet channel again to realize the circulation of the heat-conducting oil; after the high-frequency wire 4 is energized through the high-frequency power cord 5, it heats the anti-corrosion inner tank, and the heat is transferred to the heat-conducting oil in the anti-corrosion inner tank and the heat-conducting oil in the oil cavity 2. Finally, the temperature of the hot roller body 1 rises rapidly, and the hot roller conducts the heat to the electrode plate and drives the electrode plate to move, so that the moisture on the electrode plate volatilizes.

[0027] It should be noted that when a component is referred to as being "installed on" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component at the same time. When a component is considered to be "fixed to" another component, it can be directly fixed to the other component or there may be an intermediate component at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this utility model belongs. The terms used in the description of this utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "or / and" used herein includes any and all combinations of one or more of the related listed items.

[0029] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0030] The above-described embodiments only represent several implementation manners of this utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of this utility model, several modifications and improvements can still be made, and these all belong to the protection scope of this utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A hot roll device for an uncoiler and oven, which comprises a hot roll body (1). The interior of the hot roll body (1) is hollow to form an oil cavity (2), and heat-conducting oil flows in the oil cavity (2). It is characterized in that, The hot roll device further includes a heating element, which is arranged in the oil chamber (2) and is used to heat the heat-conducting oil in the oil chamber (2).

2. The hot roll device for an uncoiler and oven according to claim 1, wherein The hot roll device further includes an anti-corrosion inner cylinder (3), which is installed in the oil chamber (2). The interior of the anti-corrosion inner cylinder (3) is hollow to form a hollow cavity, and the heat-conducting oil flows in the hollow cavity of the anti-corrosion inner cylinder (3). The heating element is arranged on the anti-corrosion inner cylinder (3) and is used to heat the heat-conducting oil in the oil chamber (2) and the heat-conducting oil in the hollow cavity.

3. The hot roll device for an uncoiler and oven according to claim 2, characterized in that, The heating element includes a high-frequency wire (4) and a high-frequency power line (5). The high-frequency wire (4) is spirally wound around the outer periphery of the anti-corrosion inner cylinder (3). One end of the high-frequency power line (5) is connected to one end of the high-frequency wire (4), and the other end extends out of the hot roll body (1).

4. The hot roller device for an uncoiler and oven according to claim 2, characterized in that, Installation shafts one (6) and two (7) are coaxially connected to the two axial ends of the hot roll body (1) respectively; a bearing one (8) and a bearing two (9) are respectively installed outside the installation shafts one (6) and two (7).

5. The hot roll device for an uncoiler and oven according to claim 4, characterized in that, The anti-corrosion inner cylinder (3) is coaxially arranged with the hot roll body (1), and support shafts one (10) and two (11) are coaxially connected to the two axial ends of the anti-corrosion inner cylinder (3) respectively. The support shaft one (10) is rotationally and cooperatively connected to the hot roll body (1) through a bearing three (12), and the support shaft two (11) is rotationally and cooperatively connected to the hot roll body (1) through a bearing four (13). The support shafts one (10) and two (11) respectively penetrate through the installation shafts one (6) and two (7) coaxially, and the support shafts one (10) and two (11) are respectively rotationally and cooperatively connected to the installation shafts one (6) and two (7).

6. The hot roller device for an unwinding and baking oven according to claim 5, characterized in that, The support shaft one (10) is provided with an oil inlet channel communicating with the hollow cavity, and the anti-corrosion inner cylinder (3) is provided with an oil outlet (14) communicating the hollow cavity with the oil chamber (2).

7. The hot roll device for an unwinding and baking oven according to claim 6, characterized in that, The support shaft two (11) is provided with an oil outlet channel, and an oil guide pipe (15) is arranged in the oil chamber (2). One end of the oil guide pipe (15) is open, and the other end is communicated with the oil outlet channel.

8. The hot roller device for an uncoiler and oven according to claim 7, characterized in that, The hot roll device further includes a temperature sensor one (16) and a temperature sensor two (17). The temperature sensor one (16) passes through the oil inlet channel and extends into the hollow cavity, and the temperature sensor two (17) passes through the oil outlet channel and extends into the oil chamber (2).

9. The hot roll device for an uncoiler and oven according to claim 7, characterized in that, The hot roll device further includes an oil temperature machine (18) for filtering the heat-conducting oil. The inlet of the oil temperature machine (18) is communicated with the oil outlet channel through a pipeline, and its outlet is communicated with the oil inlet channel through a pipeline.

10. The hot roller device for an uncoiler and oven according to claim 1, characterized in that, The hot roll body (1) is a metal roll with a chromium-plated surface.

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