Powder strip and foil strip compounding device

By designing a powder and foil composite device, and utilizing hot rolling technology to achieve the composite of powder and foil at low temperatures, the problems of equipment damage and thickness requirements in existing technologies are solved, thereby improving the electrochemical performance and safety of lithium batteries.

CN223890600UActive Publication Date: 2026-02-10ZHONGSHAN YUCHEN INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520188828.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-02-10
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

In existing dry-process manufacturing of lithium battery electrode strips, the binder needs to be fibrous under high shear force, which leads to equipment damage and makes it difficult to meet thickness and temperature requirements, affecting battery performance and safety.

Method used

Design a powder strip and foil strip composite device, including upper and lower steel strip hot press roller mechanism, powder strip and foil strip hot press composite channel, foil strip clamping and tensioning mechanism, to achieve the composite of powder strip and foil strip through hot press, meet the thickness and temperature requirements, and avoid equipment damage.

Benefits of technology

It enables effective rolling of powder and foil tapes under low-temperature conditions, ensuring that the electrode thickness meets process requirements, avoiding equipment damage, and improving the electrochemical performance and safety of the battery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The powder belt and foil belt compounding device comprises two powder belt and foil belt compounding brackets, an upper steel belt oil hot pressing roller mechanism, a lower steel belt oil hot pressing roller mechanism, a plurality of foil belt passing rollers, a foil belt clamping mechanism, a foil belt tensioning mechanism, a plurality of polar belt passing rollers and a polar belt tensioning mechanism, the upper steel belt oil hot-pressing roller mechanism and the lower steel belt oil hot-pressing roller mechanism are attached up and down and are horizontally fixed on the two powder belt and foil belt composite brackets to form a powder belt and foil belt hot rolling composite channel with a long rolling area; the plurality of foil tape passing rollers can bear foil tapes; the foil tape clamping mechanism is in butt joint with an external foil tape feeding device and can clamp the foil tape; the foil belt tensioning mechanism is in butt joint with the foil belt clamping mechanism and can tension the foil belt. The plurality of pole belt passing rollers can bear pole belts; the polar band tensioning mechanism is in butt joint with the upper steel band oil hot-pressing roller mechanism and the lower steel band oil hot-pressing roller mechanism and can tension the polar band; and the upper steel strip oil hot-pressing roller mechanism and the lower steel strip oil hot-pressing roller mechanism can be used for compounding a powder strip and a foil strip into a polar strip by hot rolling through the powder strip and foil strip hot rolling compounding channel.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery manufacturing equipment technical field especially relates to a powder tape and foil tape composite device. BACKGROUND

[0002] The anode of the lithium battery's electric core is the powder of the lithium-containing amorphous carbon active substance coated on both sides of the current collector copper foil, and the cathode is the powder of the binary lithium iron phosphate or the powder of the ternary nickel-manganese-cobalt phosphate active substance coated on both sides of the current collector aluminum foil. The electric core is an important component of the battery, which directly determines the electrochemical performance and safety of the battery.

[0003] In the prior art, the anode and cathode tapes (also referred to as pole tapes 31) can be prepared by a wet process or a dry process. In the dry process, the active material powder, the binder and the conductive agent powder are mixed together to form a powder tape 21 and a foil tape 11. The powder tape 21 and the foil tape 11 are first rolled into a powder tape 21, and then the powder tape and the current collector copper foil tape or the current collector aluminum foil tape (collectively referred to as foil tape 11) are rolled to form a pole tape 31.

[0004] In the existing dry preparation, the binder needs to be fiberized under a high shear force, so that the active material powder, the binder and the conductive agent powder are uniformly stirred to obtain the powder tape 21 and the foil tape 11. Then, the powder tape 21 and the foil tape 11 are placed in a shearing machine to fiberize the binder and bond the powders of the active material and the conductive agent to obtain a fiberized mixture. The fiberized mixture is then extruded by an extruder to obtain an extruded fiberized mixture. The extruded fiberized mixture is finally thinned by rolling to form the powder tape 21.

[0005] Therefore, we developed a powder tape and foil tape composite device for rolling the powder tape 21 and the foil tape 11 into a pole tape 31.

[0006] Rolling requirements:

[0007] 1. The oil heating temperature is ≤ 80℃;

[0008] 2. The thickness of the powder tape or the pole tape meets the process requirements;

[0009] 3. The pole tape is not damaged. Utility model content

[0010] The utility model aims to provide a powder tape and foil tape composite device for rolling the powder tape and the foil tape into a pole tape.

[0011] The utility model discloses a kind of powder tape and foil tape composite device, including two powder tape foil tape composite supports, upper steel band oil hot press roller mechanism, lower steel band oil hot press roller mechanism, powder tape and foil tape hot roller pressure composite channel, multiple foil tape passes roller, foil tape clamping mechanism, foil tape tensioning mechanism, multiple pole tape passes roller, pole tape tensioning mechanism;

[0012] Two powder tape foil tape composite supports are vertically fixed on external machine table in front and back parallel interval, and upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism are horizontally fixed on two powder tape foil tape composite supports in upper and lower close contact, to form powder tape and foil tape hot roller pressure composite channel with long roller pressure area;Multiple foil tape passes roller is horizontally erected between the middle lower right end of two powder tape foil tape composite supports, for carrying foil tape;Foil tape clamping mechanism is fixed between the middle lower part of two powder tape foil tape composite supports, and is connected with external foil tape broadcasting device, for clamping foil tape;Foil tape tensioning mechanism is fixed between the right lower part of two powder tape foil tape composite supports, and is connected with foil tape clamping mechanism, for tensioning foil tape;Multiple pole tape passes roller is horizontally erected between the middle lower left end of two powder tape foil tape composite supports, for carrying pole tape;Pole tape tensioning mechanism is fixed between the left lower part of two powder tape foil tape composite supports, and is connected with upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism and its powder tape and foil tape hot roller pressure composite channel, for tensioning pole tape;Upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism can hot roller pressure powder tape and foil tape to be compounded into pole tape through powder tape and foil tape hot roller pressure composite channel.

[0013] The powder tape and foil tape composite device has the following beneficial effects: upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism are horizontally fixed on two powder tape foil tape composite supports in upper and lower close contact, to form powder tape and foil tape hot roller pressure composite channel with long roller pressure area;Multiple foil tape passes roller can carry foil tape;Foil tape clamping mechanism is connected with external foil tape broadcasting device, and can clamp foil tape;Foil tape tensioning mechanism is connected with foil tape clamping mechanism, and can tension foil tape;Multiple pole tape passes roller can carry pole tape;Pole tape tensioning mechanism is connected with upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism, and can tension pole tape;Upper steel band oil hot press roller mechanism and lower steel band oil hot press roller mechanism can hot roller pressure powder tape and foil tape to be compounded into pole tape through powder tape and foil tape hot roller pressure composite channel. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Structure diagram of powder tape and foil tape composite device;

[0015] Figure 2 Structure diagram of upper steel band oil hot press roller mechanism;

[0016] Figure 3 Structure diagram of first oil hot press roller mechanism;

[0017] Figure 4 Structure diagram of oil hot press roller assembly;

[0018] Figure 5 Oil hot press roller sectional view structure diagram;

[0019] Figure 6 Oil hot press roller body sectional view structure diagram;

[0020] Figure 7 Hot oil pipe structure diagram;

[0021] Figure 8 Hot oil pipe sectional view structure diagram;

[0022] Figure 9 Oil hot press roller assembly sectional view structure diagram;

[0023] Figure 10 Foil tape clamping mechanism and foil tape tensioning mechanism structure diagram;

[0024] Figure 11 Pole tape tensioning mechanism structure diagram.

[0025] Explanation of reference numerals:

[0026] 11, foil tape; 21, powder tape; 31, pole tape;

[0027] 400, powder tape and foil tape compounding device;

[0028] 410, powder tape foil tape compounding support;

[0029] 420, upper steel tape oil hot press roller mechanism; 421, steel tape supporting roller; 422, steel tape;

[0030] 230, first oil hot press roller mechanism;

[0031] 231, oil hot press roller assembly;

[0032] 2311, oil hot press roller;

[0033] 23111, oil hot press roller body;

[0034] 231111, oil hot press roller roll surface; 231112, oil hot press roller end surface; 231113, oil hot press roller neck surface; 231114, oil hot press roller supporting surface; 231115, oil hot press roller groove; 231116, oil hot press roller group sealing ring groove; 231117, oil hot press roller center oil inlet channel; 231118, oil hot press roller radial oil inlet channel; 231119, oil hot press roller axial oil inlet channel; 23111A, oil hot press roller oil inlet channel; 23111B, oil hot press roller center oil outlet channel; 23111C, oil hot press roller center oil inlet channel sealing groove;

[0035] 23112, Oil-heated roller end cap; 231121, Oil-heated roller end cap mounting face; 231122, Oil-heated roller end cap countersunk hole; 231123, Oil-heated roller end cap through hole;

[0036] 23113 Roller neck face seal ring; 23114 Roller end face seal ring; 23115 Oil-heated roller center oil inlet channel seal ring; 2312 Oil-heated roller bearing assembly; 23121 Bearing housing; 23122 Bearing; 23123 Bearing oil seal; 23124 Bearing oil seal cover; 23125 Bearing oil seal cover lock nut;

[0037] 2313, Hot oil pipe; 23131, External inlet pipe of hot oil pipe; 231311, External inlet pipe flange of hot oil pipe; 23132, Internal inlet pipe of hot oil pipe; 23133, Internal inlet channel of hot oil pipe; 23134, Rear return pipe of hot oil pipe; 231341, Rear return pipe flange of hot oil pipe; 23135, Front return pipe of hot oil pipe; 231351, Rear return pipe groove of hot oil pipe; 23136, Return channel of hot oil pipe; 23137, Mounting flange of hot oil pipe;

[0038] 2314. Hot oil dynamic seal assembly; 23141. Assembly seal ring; 23142. Roller cone ring; 231421. Outer conical surface of roller cone ring; 23143. Roller cone flange; 231431. Inner conical surface of roller cone flange; 23144. Pipe cone ring; 231441. Outer conical surface of pipe cone ring; 23145. Pipe cone flange; 231451. Inner conical surface of pipe cone flange;

[0039] 2315. Driven wheel of oil-heated pressure roller;

[0040] 232. Oil-heated roller drive assembly; 2321. Oil-heated roller drive component bracket; 2322. Oil-heated roller drive component; 2323. Oil-heated roller drive gearbox; 2324. Oil-heated roller drive drive wheel;

[0041] 430. Lower steel strip oil hot press roller mechanism;

[0042] 440. Hot roller pressing composite channel for powder belt and foil belt;

[0043] 450. Foil belt passes through rollers;

[0044] 460. Foil tape clamping mechanism; 461. Foil tape clamping bracket; 462. Foil tape clamping driver; 463. Foil tape clamping movable clamp; 464. Foil tape clamping fixed clamp; 465. Foil tape clamping movable jaw;

[0045] 470. Foil tape tensioning mechanism; 471. Foil tape tensioning driver; 472. Foil tape tensioning seat; 473. Foil tape tensioning seat shaft; 474. Foil tape tensioning frame; 475. Foil tape tensioning frame shaft; 476. Foil tape tensioning roller;

[0046] 480. Pole belt passing roller;

[0047] 490. Pole belt tensioning mechanism; 491. Pole belt tensioning driver; 492. Pole belt tensioning seat; 493. Pole belt tensioning seat shaft; 494. Pole belt tensioning frame; 495. Pole belt tensioning frame shaft; 496. Pole belt tensioning roller. Detailed Implementation

[0048] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0049] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection within two components. For those skilled in the art, the specific meaning of the terms in this utility model can be understood according to the specific circumstances.

[0050] This embodiment provides a powder belt and foil belt composite device 400 for hot rolling powder belt 21 and foil belt 11 to form electrode belt 31.

[0051] See Figure 1 A powder and foil composite device 400 includes two powder and foil composite supports 410, an upper steel strip oil hot press roller mechanism 420, a lower steel strip oil hot press roller mechanism 430, a powder and foil hot press composite channel 440, multiple foil strip passing rollers 450, a foil strip clamping mechanism 460, a foil strip tensioning mechanism 470, multiple electrode strip passing rollers 480, and an electrode strip tensioning mechanism 490.

[0052] Two powder strip and foil strip composite supports 410 are vertically fixed to an external machine base, parallel to each other. An upper steel strip oil hot press roller mechanism 420 and a lower steel strip oil hot press roller mechanism 430 are horizontally fixed to the two powder strip and foil strip composite supports 410, forming a powder strip and foil strip hot press composite channel 440 with a long roller pressing area. Multiple foil strip guide rollers 450 are horizontally mounted between the lower right ends of the two powder strip and foil strip composite supports 410 to support the foil strip 11. A foil strip clamping mechanism 460 is fixed between the lower middle parts of the two powder strip and foil strip composite supports 410, connecting to an external foil strip feeding device to clamp the foil strip 11. A foil strip tensioning mechanism 470 is fixed to the two powder strip and foil strip composite supports 410. Between the lower right parts of 10, a foil strip clamping mechanism 460 is connected to tension the foil strip 11; multiple electrode strip rollers 480 are horizontally mounted between the lower left ends of the two powder strip and foil strip composite supports 410 to support the electrode strip 31; an electrode strip tensioning mechanism 490 is fixed between the lower left parts of the two powder strip and foil strip composite supports 410, and is connected to the upper steel strip oil hot press roller mechanism 420 and the lower steel strip oil hot press roller mechanism 430 and their powder strip and foil strip hot press composite channel 440 to tension the electrode strip 31; the upper steel strip oil hot press roller mechanism 420 and the lower steel strip oil hot press roller mechanism 430 can hot press the powder strip 21 and the foil strip 11 into an electrode strip 31 through the powder strip and foil strip hot press composite channel 440.

[0053] Further, see Figure 2 , Figure 1 Both the upper and lower steel strip oil-heated roller mechanisms 420 and 430 include a first oil-heated roller mechanism 230, two steel strip support rollers 421, and a steel strip 422. The upper and lower first oil-heated roller mechanisms 230 are horizontally fixed close to each other on two powder strip / foil composite supports 410. Each pair of two steel strip support rollers 421 are horizontally mounted between the two powder strip / foil composite supports 410, located at the corresponding first oil-heated roller mechanism 230. On both sides of 0, the bottom of the two upper steel strip support rollers 421 is aligned with the top of the two lower steel strip support rollers 421. The steel strip 422 is sleeved on the corresponding first oil-heated roller mechanism 230 and the two steel strip support rollers 421. The two steel strips 422 are attached to each other to form a powder belt and foil belt hot roller pressing composite channel 440 with a long roller pressing area, which is used by the upper steel strip oil-heated roller mechanism 420 and the lower steel strip oil-heated roller mechanism 430 to hot roller press the powder belt 21 and foil belt 11 to form an electrode belt 31.

[0054] Further, see Figure 3The first oil-heated roller mechanism 230 includes an oil-heated roller assembly 231 and an oil-heated roller drive assembly 232. The oil-heated roller assembly 231 is horizontally fixed between two powder tape and foil tape composite supports 410. The oil-heated roller drive assembly 232 is fixed on the front of the front powder tape and foil tape composite support 410 and is connected to drive the oil-heated roller assembly 231 to rotate and press the powder tape 21 and foil tape 11.

[0055] The hot oil roller drive assembly 232 further includes a hot oil roller drive bracket 2321, a hot oil roller drive component 2322, a hot oil roller drive gearbox 2323, and a hot oil roller drive drive wheel 2324. The hot oil roller drive bracket 2321 is fixed to the front of the powder tape / foil tape composite bracket 410. The hot oil roller drive gearbox 2323 is fixed to the front of the hot oil roller drive bracket 2321. The hot oil roller drive component 2322 is fixed to the input end of the hot oil roller drive gearbox 2323. The hot oil roller drive drive wheel 2324 is fixed to the output end of the hot oil roller drive gearbox 2323, and they are connected to drive the hot oil roller assembly 231 to rotate and roll.

[0056] Further, see Figure 4 The oil-heated roller assembly 231 includes an oil-heated roller 2311, two oil-heated roller bearing assemblies 2312, a hot oil pipe 2313, a hot oil dynamic seal assembly 2314, and an oil-heated roller driven wheel 2315; see also Figure 5 The oil-heated roller 2311 is provided with an oil-heated roller inlet channel 23111A located inside the roller body and closed at the right end, and an oil-heated roller center outlet channel 23111B open at the left end; see also Figure 4 Two oil-heated roller bearing assemblies 2312 are respectively fitted onto the left and right ends of the oil-heated roller 2311 to support the oil-heated roller 2311 on the powder belt / foil belt composite support 410. See [reference needed]. Figure 8 The hot oil pipe 2313 is provided with an oil inlet channel 23133 and an oil return channel 23136; see also Figure 4 , Figure 9The hot oil pipe 2313 extends into the oil-heated roller 2311 from the left end and is fixed to the external support. The oil inlet channel 23133 inside the hot oil pipe enters and connects to the oil inlet channel 23111A of the oil-heated roller 2311, forming an oil inlet channel for supplying oil to the oil-heated roller 2311. The hot oil return channel 23136 connects to and connects to the center oil outlet channel 23111B of the oil-heated roller, forming an oil outlet channel for discharging oil from the oil-heated roller 2311. The hot oil dynamic seal assembly 2314 is fixed to the right end of the hot oil pipe 2313 and the left end of the oil-heated roller 2311 for supplying oil to the hot oil pipe 2313. A dynamic seal is provided at the rear joint of the oil-heated roller 2311; the driven wheel 2315 of the oil-heated roller is fixed at the right end of the oil-heated roller 2311 and connected to the driving wheel 2324 of the oil-heated roller, so as to transmit the power of the driving component 2322 of the oil-heated roller to drive the oil-heated roller 2311 to rotate; the hot oil pipe 2313 can supply hot oil to heat the oil-heated roller 2311, and the oil-heated roller 2311 can rotate and press the material under the drive of the driving component 2322. In this embodiment, the driven wheel 2315 of the oil-heated roller and the driving wheel 2324 of the oil-heated roller are gears meshed together.

[0057] Further, see Figure 5 The oil-heated roller 2311 includes an oil-heated roller body 23111, two oil-heated roller end caps 23112, a roller neck face sealing ring 23113, a roller end face sealing ring 23114, and an oil inlet channel sealing ring 23115 at the center of the oil-heated roller; see also Figure 6 The oil-heated roller body 23111 includes the oil-heated roller surface 231111 with the largest diameter in the middle, the oil-heated roller neck surface 231113 with a smaller diameter located at both ends of the oil-heated roller surface 231111, two oil-heated roller end faces 231112 where the oil-heated roller surface 231111 transitions to the oil-heated roller neck surface 231113, oil-heated roller support surfaces 231114 with a smaller diameter extending to the left and right from the two oil-heated roller neck surfaces 231113, an oil-heated roller groove 231115 located on the left end shaft surface, and an oil-heated roller joint sealing ring groove 231116 located on the left end end face; The oil-heated roller end cap 23112 includes an oil-heated roller end cap mounting end face 231121 that is slightly smaller than the oil-heated roller end face 231112, an oil-heated roller end cap countersunk hole 231122 that is recessed from the center of the oil-heated roller end cap mounting end face 231121, and an oil-heated roller end cap through hole 231123 that extends to the right from the center of the oil-heated roller end cap countersunk hole 231122 and can seal with the oil-heated roller neck face 231113;

[0058] Two oil-heated roller end caps 23112 are respectively inserted through oil-heated roller end cap through holes 231123 into the oil-heated roller neck faces 231113 at the left and right ends of the oil-heated roller body 23111, and are respectively fixed to the two oil-heated roller end faces 231121 at the left and right ends of the oil-heated roller body 23111. A roller neck sealing ring 23113 is located between the oil-heated roller neck face 231113 of the oil-heated roller body 23111 and the corresponding oil-heated roller end cap through hole 231123 of the oil-heated roller end cap 23112. A face sealing ring 23114 is disposed between the oil-heated roller end face 231112 of the oil-heated roller body 23111 and the oil-heated roller end cover mounting end face 231121 of the corresponding oil-heated roller end cover 23112. The roller neck face sealing ring 23113 and the roller end face sealing ring 23114 are used to seal the oil-heated roller oil inlet channel 23111A. The oil-heated roller center oil inlet channel sealing ring 23115 is fixed in a preset position in the oil-heated roller oil inlet channel 23111A to seal the front joint of the hot oil pipe 2313 and the oil-heated roller 2311 to separate the oil inlet channel and the oil outlet channel.

[0059] Furthermore, see Figure 5 , Figure 6 The oil-heated roller body 23111 also includes a central oil inlet channel 231117, multiple radial oil inlet channels 231118, and multiple axial oil inlet channels 231119. The multiple radial oil inlet channels 231118 radially penetrate the oil-heated roller neck faces 231113 at both ends of the oil-heated roller body 231111, and the multiple axial oil inlet channels 231119 axially penetrate the oil-heated roller end faces 231112 at both ends of the oil-heated roller body 231111. The central oil inlet channel 231117 is located at the axial center of the oil-heated roller body 231111, and the right end of the central oil inlet channel 231117 is closed and connected. The center end of the radial oil inlet channel 231118 of the oil-heated roller is connected to the center end of the multiple oil-heated roller radial oil inlet channel 231118. The center line of the oil-heated roller center oil outlet channel 23111B is located on the center line of the oil-heated roller center oil inlet channel 231117. The inner diameter of the oil-heated roller center oil outlet channel 23111B is larger than the inner diameter of the oil-heated roller center oil inlet channel 231117. The right end of the oil-heated roller center oil outlet channel 23111B connects to the left end of the oil-heated roller center oil inlet channel 231117 and the center end of the multiple oil-heated roller radial oil inlet channels 231118 that connect to the left end. The left end of the oil-heated roller center oil outlet channel 23111B extends to the left end face of the oil-heated roller body 23111 to form an opening.

[0060] See Figure 6 Multiple sealing grooves 23111C for the oil inlet channel 231117 of the oil-heated roller are provided on the channel wall at the position where the hot oil pipe 2313 extends from the left end. See [reference needed].Figure 5 , Figure 9 Each of the multiple oil-heated roller center oil inlet channel sealing grooves 23111C is provided with an oil-heated roller center oil inlet channel sealing ring 23115. The oil-heated roller center oil inlet channel 231117 is located at the right end of the multiple oil-heated roller center oil inlet channel sealing rings 23115. Multiple oil-heated roller radial oil inlet channels 231118, multiple oil-heated roller axial oil inlet channels 231119 and two oil-heated roller end cap countersunk holes 231122 form the preset oil-heated roller oil inlet channel 23111A of oil-heated roller 2311 with consistent flow rate. The oil-heated roller center oil outlet channel 23111B and the oil-heated roller center oil inlet channel 231117 are used for inserting hot oil pipes 2313.

[0061] Furthermore, see Figure 9 The oil-heated roller bearing assembly 2312 includes a bearing housing 23121, a bearing 23122, two bearing oil seals 23123, a bearing oil seal cover 23124, and a bearing oil seal cover lock nut 23125. The inner ring of the bearing 23122 passes through the oil-heated roller support surface 231114 of the oil-heated roller body 23111. The two bearing oil seals 23123 are respectively sleeved in the bearing housing 23121 and the bearing oil seal cover 23124. The bearing housing 23121, together with one bearing oil seal 23123, is sleeved outside the outer ring of the bearing 23122. The bearing oil seal cover 23124, together with the other bearing oil seal 23123, passes through the corresponding bearing oil seal nut 23125 of the oil-heated roller body 23111. The oil-heated roller support surface 231114 is outside and fixed to the left end face of the bearing seat 23121 on the left side of the oil-heated roller body 23111 or fixed to the right end face of the bearing seat 23121 on the right side of the oil-heated roller body 23111. The bearing oil seal cover lock nut 23125 is threadedly connected to the corresponding oil-heated roller support surface 231114 of the oil-heated roller body 23111 to lock the bearing oil seal cover 23124, thereby mounting the oil-heated roller body 23111 and the oil-heated roller 2311 thereon on two oil-heated roller bearing assemblies 2312. The two oil-heated roller bearing assemblies 2312 are used to mount the oil-heated roller 2311 on the powder belt foil composite bracket 410.

[0062] Furthermore, see Figure 7 , Figure 8The hot oil pipe 2313 includes an external hot oil inlet pipe 23131, an internal hot oil inlet pipe 23132, an internal hot oil inlet channel 23133, a rear hot oil return pipe 23134, a front hot oil return pipe 23135, a return channel 23136, and a mounting flange 23137. The external hot oil inlet pipe 23131 is connected to and communicates with the internal hot oil inlet pipe 23132, and the external hot oil inlet pipe 23131 is connected to the internal hot oil inlet pipe 23132. 132 is provided with an oil inlet channel 23133 inside the hot oil pipe. The diameter of the oil inlet channel 23133 inside the hot oil pipe is slightly smaller than the diameter of the center oil inlet channel 231117 of the oil-heated roller to ensure that the oil inlet volume of the oil-heated roller 2311 is close to the oil outlet volume of the hot oil pipe 2313. The rear return oil pipe 23134 of the hot oil pipe is connected and communicates with the front return oil pipe 23135 of the hot oil pipe. The rear return oil pipe 23134 of the hot oil pipe and the front return oil pipe 23135 of the hot oil pipe are provided with a hot oil pipe return channel. 23136, the diameter of the hot oil return channel 23136 is the same as the diameter of the hot oil roller center oil outlet channel 23111B minus the outer diameter of the hot oil inlet pipe 23132, and also the same as the diameter of the hot oil inlet channel 23133. That is, the diameter of the hot oil return channel 23136 is the same as the diameter of the hot oil roller center oil outlet channel 23111B, to ensure that the oil output of the hot oil roller 2311 is consistent with the oil return output of the hot oil pipe 2313; Hot oil pipe installation method. Lan 23137 is installed on the front return pipe 23135 of the hot oil pipe to fix the hot oil pipe 2313 to the external support. The front end of the front return pipe 23135 has a front return pipe groove 231351. The beginning of the external inlet pipe 23131 has an external inlet pipe flange 231311 for connecting to the external oil supply line. The end of the rear return pipe 23134 has a rear return pipe flange 231341 for connecting to the external return line. See [reference needed] Figure 9 The hot oil pipe 23132 passes through the sealing rings 23115 of the central oil inlet channel of the multiple hot oil rollers and extends into the central oil inlet channel 231117 of the hot oil roller 2311. The right end of the hot oil pipe front return pipe 23135 extends into the sealing ring groove 231116 of the hot oil roller body 23111, becoming the rear joint of the hot oil pipe 2313 and the hot oil roller 2311.

[0063] See Figure 8 , Figure 9 The hot oil pipe inlet channel 23133 is connected to the hot oil roller center inlet channel 231117, and thus connected to the hot oil roller inlet channel 23111A where the hot oil roller center inlet channel 231117 is located, forming an inlet channel with consistent flow to send hot oil in to heat the hot oil roller 2311. The hot oil pipe return channel 23136 is also connected to the hot oil roller center outlet channel 23111B, forming an outlet channel with consistent flow to send the deheated oil out of the hot oil roller 2311.

[0064] Furthermore, see Figure 9 The hot oil dynamic sealing assembly 2314 includes an assembly sealing ring 23141, a roller cone ring 23142, a roller cone flange 23143, a pipe cone ring 23144, and a pipe cone flange 23145. The assembly sealing ring 23141 is located in the hot oil roller assembly sealing ring groove 231116 on the left end face of the hot oil roller body 23111. The right end of the hot oil return pipe 23135 extends into the hot oil roller assembly sealing ring groove 231116 and adheres to the assembly sealing ring 23141. The roller cone ring 23142... The roller cone ring 231421 has an outer conical surface 231421, and the roller cone flange 23143 has an inner conical surface 231431 that matches the outer conical surface 231421 of the roller cone ring. The roller cone ring 23142 is fixed to the oil-heated roller groove 231115 at the left end of the oil-heated roller body 23111 with the outer conical surface 231421 of the roller cone ring facing to the right. The roller cone flange 23143 is sleeved on the outer conical surface 231421 of the roller cone ring 23142 with the inner conical surface 231431 of the roller cone flange facing to the left. 23144 is provided with an outer conical surface 231441 of the pipe conical ring, and a pipe conical flange 23145 is provided with an inner conical surface 231451 of the pipe conical flange that matches the outer conical surface 231441 of the pipe conical ring. The pipe conical ring 23144 is fixed to the right end of the hot oil pipe front return pipe groove 231351 on the right end of the hot oil pipe front return pipe 23135 with the outer conical surface 231441 of the pipe conical ring facing left. The pipe conical flange 23145 is fitted onto the outer conical surface 231451 of the pipe conical ring 231444 with the inner conical surface 231451 of the pipe conical flange facing right. On 31441; the roller tapered flange 23143 and the pipe tapered flange 23145 can be pulled together by an external structure. At this time, the joint sealing ring 23141 dynamically seals the rear joint of the hot oil pipe 2313 and the oil-heated roller 2311 to prevent oil leakage from the oil outlet channel. During the process of the oil-heated roller 2311 rotating to press the material, the hot oil pipe 2313, which is fixed on the external support and does not rotate with the oil-heated roller 2311, can supply hot oil to the oil-heated roller 2311 without oil leakage to heat the oil-heated roller 2311.

[0065] Further, see Figure 10The foil tape clamping mechanism 460 includes a foil tape clamping bracket 461, a foil tape clamping driver 462, a foil tape clamping movable clamp 463, a foil tape clamping fixed clamp 464, and a foil tape clamping movable jaw 465. The foil tape clamping bracket 461 is fixed on the inner side of the lower middle part of a powder tape and foil tape composite bracket 410. The foil tape clamping driver 462 is fixed on the foil tape clamping bracket 461. The foil tape clamping movable clamp 463 is fixed on the output end of the foil tape clamping driver 462. The foil tape clamping fixed clamp 464 is fixed on the inner side of the lower middle part of a powder tape and foil tape composite bracket 410, and forms the foil tape clamping movable jaw 465 opposite to the foil tape clamping movable clamp 463. The foil tape clamping driver 462 can drive the foil tape clamping movable clamp 463 to clamp the foil tape 11 located in the foil tape clamping movable jaw 465.

[0066] Further, see Figure 10 The foil tensioning mechanism 470 includes a foil tensioning driver 471, a foil tensioning seat 472, a foil tensioning seat shaft 473, a foil tensioning frame 474, a foil tensioning frame shaft 475, and a foil tensioning roller 476. The foil tensioning driver 471 and the foil tensioning seat 472 are respectively fixed at intervals on the inner side of the right end of a powder and foil composite support 410. The foil tensioning seat shaft 473 passes through the foil tensioning seat 474. Inside 2, the right end of the foil tensioning frame 474 is threaded onto the foil tensioning seat shaft 473, the foil tensioning frame shaft 475 is threaded onto the output end of the foil tensioning driver 471 and onto the middle part of the foil tensioning frame 474, and the foil tensioning roller 476 is mounted on the left end of the foil tensioning frame 474. The foil tensioning driver 471 can drive the foil tensioning frame 474 to lift and lower with the foil tensioning roller 476 to tension the foil belt 11.

[0067] Further, see Figure 11 The electrode tensioning mechanism 490 includes an electrode tensioning driver 491, an electrode tensioning seat 492, an electrode tensioning seat shaft 493, an electrode tensioning frame 494, an electrode tensioning frame shaft 495, and an electrode tensioning roller 496. The electrode tensioning driver 491 and the electrode tensioning seat 492 are respectively fixed at intervals on the inner side of the left end of a powder / foil composite support 410. The electrode tensioning seat shaft 493 passes through the electrode tensioning seat 494. Inside 92, the right end of the pole belt tensioning frame 494 is threaded onto the pole belt tensioning seat shaft 493, the pole belt tensioning frame shaft 495 is threaded onto the output end of the pole belt tensioning driver 491 and onto the middle part of the pole belt tensioning frame 494, and the pole belt tensioning roller 496 is mounted on the left end of the pole belt tensioning frame 494. The pole belt tensioning driver 491 can drive the pole belt tensioning frame 494 to lift and lower with the pole belt tensioning roller 496 to tension the pole belt 31.

[0068] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A powder belt and foil belt composite device (400) for hot roller pressing powder belt (21) and foil belt (11) to form an electrode belt (31), characterized in that, It includes two powder strip and foil strip composite supports (410), an upper steel strip oil hot press roller mechanism (420), a lower steel strip oil hot press roller mechanism (430), a powder strip and foil strip hot roll pressing composite channel (440), multiple foil strip passing rollers (450), a foil strip clamping mechanism (460), a foil strip tensioning mechanism (470), multiple electrode strip passing rollers (480), and an electrode strip tensioning mechanism (490); Two powder strip and foil strip composite supports (410) are vertically fixed on an external machine base, parallel to each other. The upper steel strip oil hot press roller mechanism (420) and the lower steel strip oil hot press roller mechanism (430) are horizontally fixed on the two powder strip and foil strip composite supports (410), forming a powder strip and foil strip hot press composite channel (440) with a long roller pressing area. Multiple foil strip rollers (450) are horizontally mounted between the lower right ends of the two powder strip and foil strip composite supports (410) to carry the foil strip (11). The foil strip clamping mechanism (460) is fixed between the lower middle parts of the two powder strip and foil strip composite supports (410) and connects to the external foil strip feeding device to clamp the foil. The foil belt (11) is fixed between the lower right parts of the two powder and foil belt composite supports (410) and connected to the foil belt clamping mechanism (460) for tensioning the foil belt (11); multiple electrode belt rollers (480) are horizontally mounted between the lower left ends of the two powder and foil belt composite supports (410) for carrying the electrode belt (31); the electrode belt tensioning mechanism (490) is fixed between the lower left parts of the two powder and foil belt composite supports (410) and connected to the upper steel strip oil hot press roller mechanism (420) and the lower steel strip oil hot press roller mechanism (430) and their powder and foil belt hot roller pressing composite channel (440) for tensioning the electrode belt (31). The upper steel strip oil hot press roller mechanism (420) and the lower steel strip oil hot press roller mechanism (430) can hot press powder strip (21) and foil strip (11) into electrode strip (31) through the powder strip and foil strip hot press composite channel (440).

2. The powder and foil composite device (400) according to claim 1, wherein the upper steel strip oil-heated roller mechanism (420) and the lower steel strip oil-heated roller mechanism (430) each include a first oil-heated roller mechanism (230), two steel strip support rollers (421) and a steel strip (422), the upper first oil-heated roller mechanism (230) and the lower first oil-heated roller mechanism (230) are horizontally fixed close to each other on the two powder and foil composite supports (410), and each of the two steel strip support rollers (421) is horizontally mounted between the two powder and foil composite supports (410), located at the corresponding first oil-heated roller mechanism (422). On both sides of the oil-heated roller mechanism (230), the bottom of the two upper steel strip support rollers (421) is aligned with the top of the two lower steel strip support rollers (421). The steel strip (422) is sleeved on the corresponding first oil-heated roller mechanism (230) and the two steel strip support rollers (421). The two steel strips (422) are attached to each other to form the powder belt and foil belt hot roller pressing composite channel (440) with a long roller pressing area, so that the upper steel strip oil-heated roller mechanism (420) and the lower steel strip oil-heated roller mechanism (430) can hot roller press the powder belt (21) and foil belt (11) to form an electrode belt (31).

3. The powder and foil composite device (400) according to claim 2, wherein the first oil-heated roller mechanism (230) includes an oil-heated roller assembly (231) and an oil-heated roller drive assembly (232), wherein the oil-heated roller assembly (231) is horizontally fixed between the two powder and foil composite supports (410), and the oil-heated roller drive assembly (232) is fixed on the front of the front powder and foil composite support (410) and connected to drive the oil-heated roller assembly (231) to rotate and press the powder belt (21) and the foil belt (11). The oil-heated roller drive assembly (232) further includes an oil-heated roller drive bracket (2321), an oil-heated roller drive component (2322), an oil-heated roller drive gearbox (2323), and an oil-heated roller drive drive wheel (2324). The oil-heated roller drive bracket (2321) is fixed in front of the powder tape / foil tape composite bracket (410). The oil-heated roller drive gearbox (2323) is fixed in front of the oil-heated roller drive bracket (2321). The oil-heated roller drive component (2322) is fixed at the input end of the oil-heated roller drive gearbox (2323). The oil-heated roller drive drive wheel (2324) is fixed at the output end of the oil-heated roller drive gearbox (2323) and is connected to drive the oil-heated roller assembly (231) to rotate and roll.

4. The powder belt and foil belt composite device (400) according to claim 3, wherein the oil-heated roller assembly (231) includes an oil-heated roller (2311), two oil-heated roller bearing assemblies (2312), a hot oil pipe (2313), a hot oil dynamic seal assembly (2314), and an oil-heated roller driven wheel (2315). The oil-heated roller (2311) is provided with an oil-heated roller inlet channel (23111A) located inside the roller body and closed at the right end, and an oil-heated roller center outlet channel (23111B) open at the left end. The two oil-heated roller bearing assemblies (2312) The oil-heated roller (2311) is respectively fitted on the left and right ends for mounting the oil-heated roller (2311) on the powder tape / foil tape composite support (410). The hot oil pipe (2313) is provided with an oil inlet channel (23133) and a hot oil return channel (23136). The hot oil pipe (2313) extends into the oil-heated roller (2311) from the left end and is fixed on the external support. The oil inlet channel (23133) enters and connects to the oil-heated roller (2311) of the oil-heated roller. The oil inlet channel (23111A) of the pressure roller forms an oil inlet channel for supplying oil to the oil-heated pressure roller (2311); the hot oil pipe return channel (23136) is connected to and communicates with the center oil outlet channel (23111B) of the oil-heated pressure roller to form an oil outlet channel for discharging oil from the oil-heated pressure roller (2311); the hot oil dynamic seal assembly (2314) is fixed on the right end of the hot oil pipe (2313) and the left end of the oil-heated pressure roller (2311) for supplying oil to the rear joint of the hot oil pipe (2313) and the oil-heated pressure roller (2311). A dynamic seal is provided; the driven wheel (2315) of the oil-heated roller is fixed to the right end of the oil-heated roller (2311) and connected to the driving wheel (2324) of the oil-heated roller, so as to transmit the power of the oil-heated roller drive (2322) to drive the oil-heated roller (2311) to rotate; the hot oil pipe (2313) can supply hot oil to heat the oil-heated roller (2311), and the oil-heated roller (2311) can rotate the hot roller pressing powder belt (21) and foil belt (11) under the drive of the oil-heated roller drive (2322).

5. The powder and foil composite device (400) according to claim 4, wherein the oil-heated roller (2311) comprises an oil-heated roller body (23111), two oil-heated roller end caps (23112), a roller neck sealing ring (23113), a roller end face sealing ring (23114), and an oil-heated roller center oil inlet channel sealing ring (23115); the oil-heated roller body (23111) comprises the oil-heated roller surface (231111) with the largest diameter in the middle, and located on the oil-heated roller surface (231111). 111) The smaller diameter oil-heated roller neck face (231113) at both ends, the two oil-heated roller end faces (231112) from the oil-heated roller face (231111) to the oil-heated roller neck face (231113), the smaller diameter oil-heated roller support face (231114) extending to the left and right from the two oil-heated roller neck faces (231113), the oil-heated roller groove (231115) on the left end shaft face, and the oil-heated roller joint sealing ring groove (231116) on the left end face. The oil-heated roller end cap (23112) includes an oil-heated roller end cap mounting end face (231121) slightly smaller than the oil-heated roller end face (231112), an oil-heated roller end cap countersunk hole (231122) recessed from the center of the oil-heated roller end cap mounting end face (231121), and an oil-heated roller end cap through hole (231123) extending to the right from the center of the oil-heated roller end cap countersunk hole (231122) and capable of sealingly engaging with the oil-heated roller neck face (231113). Two oil-heated roller end caps (23112) are respectively installed through the oil-heated roller end cap through holes (231123) on the left and right ends of the oil-heated roller body (23111) outside the oil-heated roller neck faces (231113) and respectively fixed on the two oil-heated roller end faces (231112) on the left and right ends of the oil-heated roller body (23111). The roller neck face sealing ring (23113) is located between the oil-heated roller neck face (231113) of the oil-heated roller body (23111) and the corresponding oil-heated roller end cap (231112) through hole (231123). A face sealing ring (23114) is disposed between the oil-heated roller end face (231112) of the oil-heated roller body (23111) and the oil-heated roller end cover mounting end face (231121) of the corresponding oil-heated roller end cover (23112). The roller neck face sealing ring (23113) and the roller end face sealing ring (23114) are used to seal the oil-heated roller oil inlet channel (23111A). The oil-heated roller center oil inlet channel sealing ring (23115) is fixed in a preset position in the oil-heated roller oil inlet channel (23111A) to seal the front joint of the hot oil pipe (2313) and the oil-heated roller (2311) to separate the oil inlet channel and the oil outlet channel.

6. The powder belt and foil belt composite device (400) according to claim 5, wherein the oil-heated roller body (23111) further includes an oil-heated roller center oil inlet channel (231117), multiple oil-heated roller radial oil inlet channels (231118), and multiple oil-heated roller axial oil inlet channels (231119), wherein the multiple oil-heated roller radial oil inlet channels (231118) radially penetrate the oil-heated roller neck faces (231113) at both ends of the oil-heated roller body (231111), and the multiple oil-heated roller axial oil inlet channels (231119) axially penetrate the oil-heated roller end faces (231112) at both ends of the oil-heated roller body (231111), wherein the oil-heated roller center oil inlet channel (231117) is located at the axial center of the oil-heated roller body (23111), and the oil-heated roller center oil inlet... The right end of the channel (231117) is closed and connected to the center end of the multiple radial oil inlet channels (231118) of the oil-heated roller. The center line of the center oil outlet channel (23111B) of the oil-heated roller is located on the center line of the center oil inlet channel (231117) of the oil-heated roller. The inner diameter of the center oil outlet channel (23111B) of the oil-heated roller is larger than the inner diameter of the center oil inlet channel (231117) of the oil-heated roller. The right end of the center oil outlet channel (23111B) of the oil-heated roller is connected to the left end of the center oil inlet channel (231117) of the oil-heated roller and the center end of the multiple radial oil inlet channels (231118) of the oil-heated roller. The left end of the center oil outlet channel (23111B) of the oil-heated roller extends to the left end face of the oil-heated roller body (23111) to form an opening. Multiple sealing grooves (23111C) are provided on the channel wall at the position where the hot oil pipe (2313) extends from the left end of the pre-set oil inlet channel (231117) of the oil-heated roller. A sealing ring (23115) is provided in each of the multiple sealing grooves (23111C). The oil-heated roller center oil inlet channel (231117) is located within the multiple sealing rings (23115). The right end portion, multiple radial oil inlet channels (231118) of the oil-heated roller, multiple axial oil inlet channels (231119) of the oil-heated roller, and two countersunk holes (231122) of the oil-heated roller end cap constitute the oil-heated roller inlet channel (23111A) of the oil-heated roller (2311) with a preset flow rate. The oil-heated roller center outlet channel (23111B) and the oil-heated roller center inlet channel (231117) are for inserting the hot oil pipe (2313).

7. The powder belt and foil belt composite device (400) according to claim 5, wherein the oil-heated roller bearing assembly (2312) includes a bearing housing (23121), a bearing (23122), two bearing oil seals (23123), a bearing oil seal cover (23124), and a bearing oil seal cover lock nut (23125). The inner ring of the bearing (23122) passes through the oil-heated roller support surface (231114) of the oil-heated roller body (23111). The two bearing oil seals (23123) are respectively sleeved in the bearing housing (23121) and the bearing oil seal cover (23124). The bearing housing (23121) together with one of the bearing oil seals (23123) is sleeved outside the outer ring of the bearing (23122). The bearing oil seal cover (23124) together with the other bearing oil seal (23123) passes through the oil-heated roller support surface (231114) of the oil-heated roller body (23111). The corresponding oil-heated roller support surface (231114) of the roller body (23111) is fixed outside and fixed on the left end face of the bearing seat (23121) on the left side of the oil-heated roller body (23111) or fixed on the right end face of the bearing seat (23121) on the right side of the oil-heated roller body (23111). The bearing oil seal cap lock nut (23125) is threadedly connected to the corresponding oil-heated roller support surface (231114) of the oil-heated roller body (23111) to lock the bearing oil seal cap (23124), thereby mounting the oil-heated roller body (23111) and the oil-heated roller (2311) thereon on the two oil-heated roller bearing assemblies (2312). The two oil-heated roller bearing assemblies (2312) are used to mount the oil-heated roller (2311) onto the powder belt foil composite support (410).

8. The powder and foil composite device (400) according to claim 6, wherein the hot oil pipe (2313) comprises an external hot oil inlet pipe (23131), an internal hot oil inlet pipe (23132), an internal hot oil inlet channel (23133), a rear hot oil return pipe (23134), a front hot oil return pipe (23135), a hot oil return channel (23136), and a hot oil pipe mounting flange (23137); the external hot oil inlet pipe (23131) is connected to and communicates with the internal hot oil inlet pipe (23132), and the external hot oil inlet pipe (23131) and the internal hot oil inlet pipe (23132) are provided together with the internal hot oil inlet channel (23133). The diameter of the oil inlet channel (23133) inside the hot oil pipe is slightly smaller than the diameter of the central oil inlet channel (231117) of the hot oil roller to ensure that the oil inlet volume of the hot oil roller (2311) is close to the oil outlet volume of the hot oil pipe (2313). The rear return oil pipe (23134) of the hot oil pipe is connected and communicates with the front return oil pipe (23135) of the hot oil pipe. The rear return oil pipe (23134) and the front return oil pipe (23135) of the hot oil pipe are provided with the hot oil pipe return channel (23136). The diameter of the hot oil pipe return channel (23136) is equal to the diameter of the central oil outlet channel (23111B) of the hot oil roller minus the diameter of the oil inlet channel (23132) inside the hot oil pipe. The outer diameter is consistent with the diameter of the oil inlet channel (23133) inside the hot oil pipe, that is, the diameter of the hot oil return channel (23136) is consistent with the diameter of the center oil outlet channel (23111B) of the hot oil roller, so as to ensure that the oil output of the hot oil roller (2311) is consistent with the oil return of the hot oil pipe (2313); the hot oil pipe mounting flange (23137) is provided on the front return pipe (23135) of the hot oil pipe for fixing the hot oil pipe (2313) to the external support. The front end of the front return pipe (23135) of the hot oil pipe is provided with a front return pipe groove (231351), and the beginning of the external inlet pipe (23131) of the hot oil pipe is provided with an external inlet pipe groove. The oil pipe flange (231311) is used to connect to the external oil supply pipeline. The end of the hot oil pipe rear return oil pipe (23134) is provided with a hot oil pipe rear return oil pipe flange (231341) for connecting to the external return oil pipeline. The hot oil pipe inner inlet pipe (23132) passes through multiple oil-heated roller center inlet channel sealing rings (23115) and extends into the oil-heated roller center inlet channel (231117) of the oil-heated roller (2311). The right end of the hot oil pipe front return oil pipe (23135) extends into the oil-heated roller joint sealing ring groove (231116) of the oil-heated roller body (23111) to become the rear joint of the hot oil pipe (2313) and the oil-heated roller (2311). The hot oil pipe inlet channel (23133) is connected to the oil-heated roller center inlet channel (231117), and thus connected to the oil-heated roller inlet channel (23111A) where the oil-heated roller center inlet channel (231117) is located, forming the inlet channel with a consistent flow rate to deliver hot oil to heat the oil-heated roller (2311). The hot oil pipe return channel (23136) is also connected to the oil-heated roller center outlet channel (23111B) to form the outlet channel with a consistent flow rate to deliver the deheated oil out of the oil-heated roller (2311).

9. The powder belt and foil belt composite device (400) according to claim 8, wherein the hot oil dynamic sealing assembly (2314) comprises an assembly sealing ring (23141), a roller cone ring (23142), a roller cone flange (23143), a pipe cone ring (23144), and a pipe cone flange (23145); the assembly sealing ring (23141) is disposed in the oil-heated roller assembly sealing ring groove (231116) on the left end face of the oil-heated roller body (23111), and the right end of the hot oil pipe front return pipe (23135) extends into the oil-heated roller assembly sealing ring groove (231116) and adheres to the assembly sealing ring (23141). The roller cone ring (23142) has an outer conical surface (231421), and the roller cone flange (23143) has an inner conical surface (231431) that matches the outer conical surface (231421) of the roller cone ring. The roller cone ring (23142) is fixed in the oil-heated roller groove (231115) at the left end of the oil-heated roller body (23111) with the outer conical surface (231421) of the roller cone ring facing right. The roller cone flange (23143) is sleeved on the outer conical surface (231421) of the roller cone ring (23142) with the inner conical surface (231431) of the roller cone flange facing left. The conical ring (23144) is provided with an outer conical surface (231441), and the conical flange (23145) is provided with an inner conical surface (231451) that matches the outer conical surface (231441) of the conical ring. The conical ring (23144) is fixed to the right end of the hot oil pipe return pipe (231351) with the outer conical surface (231441) facing left. The conical flange (23145) is fitted onto the outer conical surface (231451) of the conical ring (231444) with the inner conical surface (231451) facing right. 441) On; the roller cone flange (23143) and the pipe cone flange (23145) can be pulled together by an external structure. At this time, the joint sealing ring (23141) dynamically seals the rear joint of the hot oil pipe (2313) and the oil-heated roller (2311) to prevent oil leakage from the oil outlet channel. During the process of the oil-heated roller (2311) rotating the hot roller pressing powder belt (21) and foil belt (11), the hot oil pipe (2313) fixed on the external support and not rotating with the oil-heated roller (2311) can supply hot oil to the oil-heated roller (2311) to heat the oil-heated roller (2311) without oil leakage.

10. The powder tape and foil tape composite device (400) according to claim 1, wherein the foil tape clamping mechanism (460) comprises a foil tape clamping bracket (461), a foil tape clamping driver (462), a foil tape clamping movable clamp (463), a foil tape clamping fixed clamp (464), and a foil tape clamping movable jaw (465); the foil tape clamping bracket (461) is fixed on the inner side of the lower middle part of one of the powder tape and foil tape composite brackets (410), and the foil tape clamping driver (462) is fixed on the foil tape clamping bracket (461). On the foil tape clamping device, the foil tape clamping movable clamp (463) is fixed on the output end of the foil tape clamping driver (462), and the foil tape clamping fixed clamp (464) is fixed on the inner side of the lower middle part of the powder tape and foil tape composite bracket (410), and forms the foil tape clamping movable jaw (465) opposite to the foil tape clamping movable clamp (463); the foil tape clamping driver (462) can drive the foil tape clamping movable clamp (463) to clamp the foil tape (11) located in the foil tape clamping movable jaw (465).

11. The powder tape and foil tape composite device (400) according to claim 1, wherein the foil tape tensioning mechanism (470) comprises a foil tape tensioning driver (471), a foil tape tensioning seat (472), a foil tape tensioning seat shaft (473), a foil tape tensioning frame (474), a foil tape tensioning frame shaft (475), and a foil tape tensioning roller (476), wherein the foil tape tensioning driver (471) and the foil tape tensioning seat (472) are respectively fixed at intervals on the inner side of the right end of a powder tape and foil tape composite support (410), and the foil tape tensioning seat shaft (473) passes through the inner side of the powder tape and foil tape composite support (410). Inside the foil tensioning seat (472), the right end of the foil tensioning frame (474) passes through the foil tensioning seat shaft (473), the foil tensioning frame shaft (475) passes through the output end of the foil tensioning driver (471) and passes through the middle of the foil tensioning frame (474), the foil tensioning roller (476) is mounted on the left end of the foil tensioning frame (474), and the foil tensioning driver (471) can drive the foil tensioning frame (474) to move up and down with the foil tensioning roller (476) to tension the foil strip (11).

12. The powder and foil composite device (400) according to claim 1, wherein the electrode tensioning mechanism (490) comprises an electrode tensioning driver (491), an electrode tensioning seat (492), an electrode tensioning seat shaft (493), an electrode tensioning frame (494), an electrode tensioning frame shaft (495), and an electrode tensioning roller (496), wherein the electrode tensioning driver (491) and the electrode tensioning seat (492) are respectively fixed at intervals on the inner side of the left end of the powder and foil composite support (410), and the electrode tensioning seat shaft (493) passes through the inner side of the powder and foil composite support (410). Inside the pole belt tensioning seat (492), the right end of the pole belt tensioning frame (494) passes through the pole belt tensioning seat shaft (493), the pole belt tensioning frame shaft (495) passes through the output end of the pole belt tensioning driver (491) and passes through the middle of the pole belt tensioning frame (494), the pole belt tensioning roller (496) is mounted on the left end of the pole belt tensioning frame (494), and the pole belt tensioning driver (491) can drive the pole belt tensioning frame (494) to lift and lower with the pole belt tensioning roller (496) to tension the pole belt (31).