Oil hot pressing roller assembly
By designing an oil-heated roller assembly, the problems of high shear force and low temperature roller pressing required for binder fiberization in existing technologies have been solved, enabling efficient roller pressing of electrode materials at low temperatures, thus ensuring the quality of electrode materials and the durability of the equipment.
Patent Information
- Application Number
- CN202520188754.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In existing dry electrode preparation methods, the binder needs to be fiberized under high shear force, which leads to severe equipment wear and makes it difficult to achieve high-quality rolling of powder belts or electrode belts at low temperatures.
Design an oil-heated roller assembly, including an oil-heated roller, a bearing assembly, a hot oil pipe, and a dynamic seal assembly. The powder is mixed by heating it with hot oil and rotating the roller to ensure that the roller pressing temperature is below 80°C, thus avoiding damage to the foil belt.
This technology enables efficient roller pressing of mixed powders into powder belts or composite electrode belts at low temperatures, ensuring that the thickness of the powder belt or electrode belt meets process requirements, avoiding foil damage, and improving the service life of the equipment.
Smart Images
Figure CN223750326U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lithium battery manufacturing equipment technical field, especially, relate to an oil hot press roller assembly. 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 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 known as pole tapes) can be prepared by a wet process or a dry process. In the dry process, the active material powder, binder and conductive agent powder are mixed together to form a mixed powder, which is then rolled into a powder tape, and then the powder tape is rolled and combined with the current collector copper foil tape or the current collector aluminum foil tape (collectively referred to as foil tape) to form a pole tape.
[0004] In the existing dry process, the binder needs to be fiberized under high shear force, so in the dry process of preparing the electrode, the active material powder, binder and conductive agent powder are stirred uniformly to obtain a mixed powder, and then the mixed powder is placed in a shearing machine to fiberize the binder and bond the powders of the active material and conductive agent to obtain a fiberized mixture. The fiberized mixture is then extruded by an extruder to obtain an extruded fiberized mixture, and the extruded fiberized mixture is finally formed into a powder tape by rolling and thinning.
[0005] Therefore, we developed an oil hot press roller assembly for rolling the mixed powder into a powder tape or rolling and combining the powder tape with the foil tape into a pole tape.
[0006] Rolling requirements:
[0007] 1. The oil heating temperature is ≤80℃;
[0008] 2. The thickness of the powder tape or pole tape meets the process requirements;
[0009] 3. The foil tape is not damaged. Utility model content
[0010] The utility model aims at providing an oil hot press roller assembly for rolling the mixed powder into a powder tape or rolling and combining the powder tape with the foil tape into a pole tape.
[0011] The utility model discloses a kind of oil hot press roller assemblies, including oil hot press roller, two oil hot press roller bearing groups, hot oil pipe, hot oil dynamic sealing joint group and oil hot press roller driven wheel, oil hot press roller is equipped with the oil hot press roller oil inlet passage of being located in roll body and right end closed and the oil hot press roller center oil outlet passage of left end opening, two oil hot press roller bearing groups are respectively sleeved in the left and right two ends of oil hot press roller for setting up oil hot press roller to external support, hot oil pipe is equipped with hot oil pipe inner oil inlet passage and hot oil pipe oil return passage, hot oil pipe is inserted into oil hot press roller from left end and fixed on external support, hot oil pipe inner oil inlet passage enters and communicates the oil hot press roller oil inlet passage of oil hot press roller and constitutes oil inlet passage, for oil hot press roller oil supply, hot oil pipe oil return passage is docked and communicates the oil hot press roller center oil outlet passage and constitutes oil outlet passage, for oil hot press roller oil discharge, hot oil dynamic sealing joint group is fixed on the right end of hot oil pipe and the left end of oil hot press roller for the rear joint of hot oil pipe and oil hot press roller provides dynamic sealing, oil hot press roller driven wheel is fixed on the right end of oil hot press roller, for transmitting external power drive oil hot press roller rotation, hot oil pipe can supply hot oil to heat oil hot press roller, oil hot press roller can rotate hot roller material under external power drive.
[0012] Further, the oil hot press roller includes an oil hot press roller body, two oil hot press roller end covers, a roll neck surface sealing ring, a roll end surface sealing ring, and an oil hot press roller center oil inlet passage sealing ring. The oil hot press roller body includes an oil hot press roller surface with the largest diameter in the middle, two oil hot press roller neck surfaces with smaller diameters located at the two ends of the oil hot press roller surface, two oil hot press roller end surfaces where the oil hot press roller surface transitions to the oil hot press roller neck surfaces, two oil hot press roller support surfaces with even smaller diameters extending left and right from the two oil hot press roller neck surfaces, an oil hot press roller groove located on the left end surface, and an oil hot press roller joint sealing ring groove located on the left end surface. The oil hot press roller end cover includes an oil hot press roller end cover mounting surface slightly smaller than the oil hot press roller end surface, an oil hot press roller end cover counterbore sunken from the center of the oil hot press roller end cover mounting surface, and an oil hot press roller end cover through hole passing through the right from the center of the oil hot press roller end cover counterbore and capable of sealingly cooperating with the oil hot press roller neck surface.
[0013] The two oil hot press roller end covers are respectively arranged outside the oil hot press roller neck surfaces at the left and right ends of the oil hot press roller body through the oil hot press roller end cover through holes and are respectively fixed on the two oil hot press roller end surfaces at the left and right ends of the oil hot press roller body through the oil hot press roller end cover mounting surfaces. The roll neck surface sealing ring is arranged between the oil hot press roller neck surface of the oil hot press roller body and the oil hot press roller end cover through hole of the corresponding oil hot press roller end cover. The roll end surface sealing ring is arranged between the oil hot press roller end surface of the oil hot press roller body and the oil hot press roller end cover mounting surface of the corresponding oil hot press roller end cover. The roll neck surface sealing ring and the roll end surface sealing ring are used to seal the oil hot press roller oil inlet passage. The oil hot press roller center oil inlet passage sealing ring is fixed in a pre-set position in the oil hot press roller oil inlet passage to seal the front joint of the hot oil pipe and the oil hot press roller to separate the oil inlet passage and the oil outlet passage.
[0014] Further, the oil hot pressing roller body further comprises an oil hot pressing roller center oil inlet channel, a plurality of oil hot pressing roller radial oil inlet channels and a plurality of oil hot pressing roller axial oil inlet channels. The plurality of oil hot pressing roller radial oil inlet channels radially pass through the oil hot pressing roller neck surface at both ends of the oil hot pressing roller body. The plurality of oil hot pressing roller axial oil inlet channels axially pass through the oil hot pressing roller end surface at both ends of the oil hot pressing roller body. The oil hot pressing roller center oil inlet channel is located at the axial center of the oil hot pressing roller body. The right end of the oil hot pressing roller center oil inlet channel is closed and connected to the center end of the plurality of oil hot pressing roller radial oil inlet channels at the right end. The center line of the oil hot pressing roller center oil outlet channel is located on the center line of the oil hot pressing roller center oil inlet channel. The inner diameter of the oil hot pressing roller center oil outlet channel is larger than the inner diameter of the oil hot pressing roller center oil inlet channel. The right end of the oil hot pressing roller center oil outlet channel is connected to the left end of the oil hot pressing roller center oil inlet channel and the center end of the plurality of oil hot pressing roller radial oil inlet channels at the left end. The left end of the oil hot pressing roller center oil outlet channel extends to the left end surface of the oil hot pressing roller body to form an opening.
[0015] A plurality of oil hot pressing roller center oil inlet channel sealing grooves are arranged on the channel wall at the position where the pre-set hot oil pipe of the oil hot pressing roller center oil inlet channel extends from the left end. An oil hot pressing roller center oil inlet channel sealing ring is arranged in each of the plurality of oil hot pressing roller center oil inlet channel sealing grooves. The oil hot pressing roller center oil inlet channel is located at the end part of the right end of the plurality of oil hot pressing roller center oil inlet channel sealing rings, the plurality of oil hot pressing roller radial oil inlet channels, the plurality of oil hot pressing roller axial oil inlet channels and the two oil hot pressing roller end cover counterbores to form a pre-set oil hot pressing roller oil inlet channel with consistent flow. The oil hot pressing roller center oil outlet channel and the oil hot pressing roller center oil inlet channel are provided for inserting the hot oil pipe.
[0016] Further, the oil hot pressing roller bearing set comprises a bearing seat, a bearing, two bearing oil seals, a bearing oil seal cover and a bearing oil seal cover lock nut. The inner ring of the bearing is arranged outside the oil hot pressing roller supporting surface of the oil hot pressing roller body. The two bearing oil seals are respectively arranged in the bearing seat and the bearing oil seal cover. The bearing seat is arranged outside the outer ring of the bearing together with one bearing oil seal. The bearing oil seal cover is arranged outside the corresponding oil hot pressing roller supporting surface of the oil hot pressing roller body together with the other bearing oil seal, and is fixed on the left end surface of the bearing seat on the left side of the oil hot pressing roller body or on the right end surface of the bearing seat on the right side of the oil hot pressing roller body. The bearing oil seal cover lock nut is connected with the threads on the corresponding oil hot pressing roller supporting surface of the oil hot pressing roller body to lock the bearing oil seal cover, thereby supporting the oil hot pressing roller body and the oil hot pressing roller frame on which the oil hot pressing roller body is arranged on the two oil hot pressing roller bearing sets. The two oil hot pressing roller bearing sets are used to support the oil hot pressing roller on the external support.
[0017] Further, the hot oil pipe comprises a hot oil pipe outer oil inlet pipe, a hot oil pipe inner oil inlet pipe, a hot oil pipe inner oil inlet passage, a hot oil pipe rear oil return pipe, a hot oil pipe front oil return pipe, a hot oil pipe oil return passage and a hot oil pipe mounting flange; the hot oil pipe outer oil inlet pipe is connected and communicated with the hot oil pipe inner oil inlet pipe, the hot oil pipe outer oil inlet pipe and the hot oil pipe inner oil inlet pipe are provided with the hot oil pipe inner oil inlet passage, the passage diameter of the hot oil pipe inner oil inlet passage is slightly smaller than the passage diameter of the oil hot roller central oil inlet passage to ensure that the oil inlet amount of the oil hot roller is close to the oil outlet amount of the hot oil pipe, the hot oil pipe rear oil return pipe is connected and communicated with the hot oil pipe front oil return pipe, the hot oil pipe rear oil return pipe and the hot oil pipe front oil return pipe are provided with the hot oil pipe oil return passage, the passage diameter of the hot oil pipe oil return passage is consistent with the passage diameter of the oil hot roller central oil outlet passage after the outer diameter of the hot oil pipe inner oil inlet pipe is subtracted, and the passage diameter of the hot oil pipe oil return passage is consistent with the passage diameter of the hot oil pipe inner oil inlet passage, that is, the diameter of the hot oil pipe oil return passage is consistent with the diameter of the oil hot roller central oil outlet passage, to ensure that the oil outlet amount of the oil hot roller is consistent with the oil return amount of the hot oil pipe; the hot oil pipe mounting flange is arranged on the hot oil pipe front oil return pipe to fix the hot oil pipe to the external support, the front end of the hot oil pipe front oil return pipe is provided with a hot oil pipe front oil return pipe groove, the initial end of the hot oil pipe outer oil inlet pipe is provided with a hot oil pipe outer oil inlet pipe flange to connect the external oil supply pipeline, the terminal end of the hot oil pipe rear oil return pipe is provided with a hot oil pipe rear oil return pipe flange to connect the external oil return pipeline, the hot oil pipe inner oil inlet pipe penetrates through a plurality of oil hot roller central oil inlet passage sealing rings and extends into the oil hot roller central oil inlet passage of the oil hot roller, and the right end of the hot oil pipe front oil return pipe extends into the oil hot roller group sealing ring groove of the oil hot roller body to form a rear combination part of the hot oil pipe and the oil hot roller.
[0018] The hot oil pipe inner oil inlet passage is communicated with the oil hot roller central oil inlet passage to be communicated with the oil hot roller oil inlet passage where the oil hot roller central oil inlet passage is located, to form an oil inlet passage with consistent flow for feeding hot oil to heat the oil hot roller, and the hot oil pipe oil return passage is also communicated with the oil hot roller central oil outlet passage to form an oil outlet passage with consistent flow for feeding the heat loss oil out of the oil hot roller.
[0019] Further, the hot oil dynamic sealing assembly comprises an assembly sealing ring, a roller cone ring, a roller cone flange, a pipe cone ring and a pipe cone flange; the assembly sealing ring is arranged in the oil hot press roller assembly sealing ring groove on the left end surface of the oil hot press roller body, the right end of the oil return pipe before the hot oil pipe extends into the oil hot press roller assembly sealing ring groove and sticks to the assembly sealing ring, the roller cone ring is provided with a roller cone ring outer taper surface, the roller cone flange is provided with a roller cone flange inner taper surface matched with the roller cone ring outer taper surface, the roller cone ring is fixed in the oil hot press roller groove on the left end of the oil hot press roller body with the roller cone ring outer taper surface facing right, the roller cone flange is sleeved on the roller cone ring outer taper surface of the roller cone ring with the roller cone flange inner taper surface facing left, the pipe cone ring is provided with a pipe cone ring outer taper surface, the pipe cone flange is provided with a pipe cone flange inner taper surface matched with the pipe cone ring outer taper surface, the pipe cone ring is fixed in the hot oil pipe return pipe groove on the right end of the oil return pipe before the hot oil pipe with the pipe cone ring outer taper surface facing left, and the pipe cone flange is sleeved on the pipe cone ring outer taper surface of the pipe cone ring with the pipe cone flange inner taper surface facing right; the roller cone flange and the pipe cone flange can be pulled together by the external structure at this time, and the assembly sealing ring dynamic sealing hot oil pipe and the rear joint of the oil hot press roller are prevented from leaking oil, and the hot oil pipe fixed on the external support and not rotating with the oil hot press roller can supply hot oil to the oil hot press roller without oil leakage to heat the oil hot press roller during the process of rotating the oil hot press roller to press the material.
[0020] The oil hot press roller assembly has the beneficial effects that the two oil hot press roller bearing assemblies fix the oil hot press roller on the external support; the oil hot press roller is provided with an oil hot press roller oil inlet channel in the roller body and closed at the right end and an oil hot press roller central oil outlet channel with an open left end, the hot oil pipe is provided with a hot oil pipe inner oil inlet channel and a hot oil pipe oil return channel, the hot oil pipe extends into the oil hot press roller from the left end and is fixed externally, the hot oil pipe inner oil inlet channel enters and communicates with the oil hot press roller oil inlet channel to form an oil inlet channel for supplying oil to the oil hot press roller; the hot oil pipe oil return channel is connected and communicated with the oil hot press roller central oil outlet channel to form an oil outlet channel for discharging oil from the oil hot press roller; the hot oil dynamic sealing assembly is fixed on the right end of the hot oil pipe and the left end of the oil hot press roller to provide dynamic sealing for the rear joint of the hot oil pipe and the oil hot press roller; the oil hot press roller driven wheel is fixed on the right end of the oil hot press roller to transmit external power to drive the oil hot press roller to rotate; the hot oil pipe can supply hot oil to heat the oil hot press roller, and the oil hot press roller can rotate to press the material under the drive of external power. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 Structure diagram of the oil hot press roller assembly;
[0022] Figure 2 Structure diagram of the oil hot press roller;
[0023] Figure 3 Structure diagram of the oil hot press roller body;
[0024] Figure 4 Structure diagram of the hot oil pipe;
[0025] Figure 5 Structure diagram of hot oil tube in cross section;
[0026] Figure 6 Structure diagram of hot oil pressing roller assembly in cross section.
[0027] Explanation of reference signs:
[0028] 231 Hot oil pressing roller assembly
[0029] 2311 Hot oil pressing roller
[0030] 23111 Hot oil pressing roller body
[0031] 231111 Hot oil pressing roller surface 231112 Hot oil pressing roller end surface 231113 Hot oil pressing roller neck surface 231114 Hot oil pressing roller supporting surface 231115 Hot oil pressing roller groove 231116 Hot oil pressing roller group sealing ring groove 231117 Hot oil pressing roller central oil inlet channel 231118 Hot oil pressing roller radial oil inlet channel 231119 Hot oil pressing roller axial oil inlet channel 23111A Hot oil pressing roller oil inlet channel 23111B Hot oil pressing roller central oil outlet channel 23111C Hot oil pressing roller central oil inlet channel sealing groove
[0032] 23112 Hot oil pressing roller end cover 231121 Hot oil pressing roller end cover mounting end surface 231122 Hot oil pressing roller end cover counterbore 231123 Hot oil pressing roller end cover through hole
[0033] 23113 Roller neck surface sealing ring 23114 Roller end surface sealing ring 23115 Hot oil pressing roller central oil inlet channel sealing ring
[0034] 2312 Hot oil pressing roller bearing set 23121 Bearing seat 23122 Bearing 23123 Bearing oil seal 23124 Bearing oil seal cover 23125 Bearing oil seal cover lock nut
[0035] 2313 Hot oil tube 23131 Hot oil tube outer oil inlet tube 231311 Hot oil tube outer oil inlet tube flange 23132 Hot oil tube inner oil inlet tube 23133 Hot oil tube inner oil inlet channel 23134 Hot oil tube rear oil return tube 231341 Hot oil tube rear oil return tube flange 23135 Hot oil tube front oil return tube 231351 Hot oil tube front oil return tube groove 23136 Hot oil tube oil return channel 23137 Hot oil tube mounting flange
[0036] 2314, hot oil dynamic sealing assembly; 23141, sealing ring of the assembly; 23142, roller cone ring; 231421, outer conical surface of the roller cone ring; 23143, roller cone flange; 231431, inner conical surface of the roller cone flange; 23144, pipe cone ring; 231441, outer conical surface of the pipe cone ring; 23145, pipe cone flange; 231451, inner conical surface of the pipe cone flange
[0037] 2315, driven wheel of the hot oil press roller DETAILED DESCRIPTION
[0038] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and should not be used to limit the present application.
[0039] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for description purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two components. For ordinary skilled persons in the art, the specific meaning of the terms in the present application can be understood according to the specific circumstances.
[0040] A hot oil press roller assembly 231 is used to roll the mixed powder into a powder belt or to hot roll and compound the powder belt with a foil belt into a pole belt. Referring to Figure 1 The hot oil press roller assembly 231 comprises a hot oil press roller 2311, two hot oil press roller bearing assemblies 2312, a hot oil pipe 2313, a hot oil dynamic sealing assembly 2314 and a hot oil press roller driven wheel 2315; referring to Figure 2 The hot oil press roller 2311 is provided with a hot oil press roller oil inlet channel 23111A located in the roller body and closed at the right end, and a hot oil press roller center oil outlet channel 23111B open at the left end; referring to Figure 1 The two hot oil press roller bearing assemblies 2312 are respectively sleeved on the left and right ends of the hot oil press roller 2311 for supporting the hot oil press roller 2311 on the external support; referring to Figure 5, the hot oil pipe 2313 is provided with a hot oil pipe in oil passage 23133 and a hot oil pipe back oil passage 23136; see Figure 1 , Figure 6 , the hot oil pipe 2313 extends into the oil hot press roller 2311 from the left end and is fixed on the external support, the hot oil pipe in oil passage 23133 enters and communicates with the oil hot press roller in oil passage 23111A of the oil hot press roller 2311 to form an oil inlet passage for supplying oil to the oil hot press roller 2311; the hot oil pipe back oil passage 23136 is connected to and communicates with the oil hot press roller center oil outlet passage 23111B to form an oil outlet passage for discharging oil from the oil hot press roller 2311; the hot oil dynamic sealing assembly 2314 is fixed on the right end of the hot oil pipe 2313 and the left end of the oil hot press roller 2311 to provide dynamic sealing for the rear joint part of the hot oil pipe 2313 and the oil hot press roller 2311; the oil hot press roller driven wheel 2315 is fixed on the right end of the oil hot press roller 2311 to transmit external power to drive the oil hot press roller 2311 to rotate; the hot oil pipe 2313 can supply hot oil to heat the oil hot press roller 2311, and the oil hot press roller 2311 can rotate under the drive of external power to heat and press the material, such as rolling the mixed powder into a powder belt or hot pressing the powder belt and the foil belt to form an electrode belt.
[0041] Further, see Figure 2 , the oil hot press roller 2311 includes an oil hot press roller body 23111, two oil hot press roller end covers 23112, a roller neck surface sealing ring 23113, a roller end surface sealing ring 23114, and an oil hot press roller center oil inlet passage sealing ring 23115; see Figure 3 , the oil hot press roller body 23111 includes an oil hot press roller roller surface 231111 with the largest diameter in the middle, two oil hot press roller neck surfaces 231113 with smaller diameters located at both ends of the oil hot press roller roller surface 231111, two oil hot press roller end surfaces 231112 where the oil hot press roller roller surface 231111 transitions to the oil hot press roller neck surface 231113, two oil hot press roller support surfaces 231114 with even smaller diameters extending left and right from the oil hot press roller neck surface 231113, an oil hot press roller groove 231115 on the left end surface, and an oil hot press roller assembly sealing ring groove 231116 on the left end surface; the oil hot press roller end cover 23112 includes an oil hot press roller end cover mounting end surface 231121 slightly smaller than the oil hot press roller end surface 231112, an oil hot press roller end cover counterbore 231122 sinking from the center of the oil hot press roller end cover mounting end surface 231121, and an oil hot press roller end cover through hole 231123 passing right from the center of the oil hot press roller end cover counterbore 231122 and capable of sealingly cooperating with the oil hot press roller neck surface 231113;
[0042] Two oil hot pressing roller end covers 23112 are respectively arranged outside the oil hot pressing roller neck surface 231113 of the left and right ends of the oil hot pressing roller body 23111 through the oil hot pressing roller end cover through holes 231123 and are respectively fixed on the two oil hot pressing roller end surfaces 231112 of the left and right ends of the oil hot pressing roller body 23111 through the oil hot pressing roller end cover mounting end surfaces 231121. The roller neck surface sealing ring 23113 is arranged between the oil hot pressing roller neck surface 231113 of the oil hot pressing roller body 23111 and the oil hot pressing roller end cover through hole 231123 of the corresponding oil hot pressing roller end cover 23112. The roller end surface sealing ring 23114 is arranged between the oil hot pressing roller end surface 231112 of the oil hot pressing roller body 23111 and the oil hot pressing roller end cover mounting end surface 231121 of the corresponding oil hot pressing roller end cover 23112. The roller neck surface sealing ring 23113 and the roller end surface sealing ring 23114 are used to seal the oil hot pressing roller oil inlet channel 23111A. The oil hot pressing roller center oil inlet channel sealing ring 23115 is fixed at a predetermined position in the oil hot pressing roller oil inlet channel 23111A and is used to seal the front joint of the hot oil pipe 2313 and the oil hot pressing roller 2311 to separate the oil inlet channel and the oil outlet channel.
[0043] Further, referring to Figure 2 , Figure 3 , the oil hot pressing roller body 23111 further comprises an oil hot pressing roller center oil inlet channel 231117, a plurality of oil hot pressing roller radial oil inlet channels 231118 and a plurality of oil hot pressing roller axial oil inlet channels 231119. The plurality of oil hot pressing roller radial oil inlet channels 231118 radially penetrate the oil hot pressing roller neck surface 231113 at both ends of the oil hot pressing roller body 23111. The plurality of oil hot pressing roller axial oil inlet channels 231119 axially penetrate the oil hot pressing roller end surface 231112 at both ends of the oil hot pressing roller body 23111. The oil hot pressing roller center oil inlet channel 231117 is located at the axial center of the oil hot pressing roller body 23111. The right end of the oil hot pressing roller center oil inlet channel 231117 is closed and communicates with the central ends of the plurality of oil hot pressing roller radial oil inlet channels 231118 at the right end. The center line of the oil hot pressing roller center oil outlet channel 23111B is located on the center line of the oil hot pressing roller center oil inlet channel 231117. The inner diameter of the oil hot pressing roller center oil outlet channel 23111B is greater than the inner diameter of the oil hot pressing roller center oil inlet channel 231117. The right end of the oil hot pressing roller center oil outlet channel 23111B is connected to the left end of the oil hot pressing roller center oil inlet channel 231117 and the central ends of the plurality of oil hot pressing roller radial oil inlet channels 231118 at the left end. The left end of the oil hot pressing roller center oil outlet channel 23111B extends to the left end surface of the oil hot pressing roller body 23111 to form an opening.
[0044] Referring to Figure 3 , a plurality of oil hot pressing roller center oil inlet channel sealing grooves 23111C are arranged on the channel wall of the position where the hot oil pipe 2313 extends into the left end of the oil hot pressing roller center oil inlet channel 231117. Referring toFigure 2 、 Figure 6 In each of the plurality of oil-heat roller center oil inlet passage sealing grooves 23111C, an oil-heat roller center oil inlet passage sealing ring 23115 is arranged. The oil-heat roller center oil inlet passage 231117 is located at the end of the right end of the plurality of oil-heat roller center oil inlet passage sealing rings 23115, the plurality of oil-heat roller radial oil inlet passages 231118, the plurality of oil-heat roller axial oil inlet passages 231119, and the two oil-heat roller end cover counterbores 231122, which form the oil-heat roller oil inlet passage 23111A of the oil-heat roller 2311 with a preset uniform flow rate. The oil-heat roller center oil outlet passage 23111B and the oil-heat roller center oil inlet passage 231117 are provided for inserting the hot oil pipe 2313.
[0045] Further, Figure 6 The oil-heat roller bearing set 2312 includes a bearing seat 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 is arranged outside the oil-heat roller supporting surface 231114 of the oil-heat roller body 23111. The two bearing oil seals 23123 are respectively arranged in the bearing seat 23121 and the bearing oil seal cover 23124. The bearing seat 23121, together with one of the bearing oil seals 23123, is arranged outside the outer ring of the bearing 23122. The bearing oil seal cover 23124, together with the other bearing oil seal 23123, is arranged outside the corresponding oil-heat roller supporting surface 231114 of the oil-heat roller body 23111 and is fixed to the left end surface of the bearing seat 23121 on the left side of the oil-heat roller body 23111 or to the right end surface of the bearing seat 23121 on the right side of the oil-heat roller body 23111. The bearing oil seal cover lock nut 23125 is connected with the threads on the corresponding oil-heat roller supporting surface 231114 of the oil-heat roller body 23111 to lock the bearing oil seal cover 23124, thereby supporting the oil-heat roller body 23111 and the oil-heat roller 2311 in which it is located on the two oil-heat roller bearing sets 2312. The two oil-heat roller bearing sets 2312 are used to support the oil-heat roller 2311 on the external support.
[0046] Further, Figure 4 、 Figure 5, the hot oil pipe 2313 includes a hot oil pipe outer oil inlet pipe 23131, a hot oil pipe inner oil inlet pipe 23132, a hot oil pipe inner oil inlet passage 23133, a hot oil pipe rear oil return pipe 23134, a hot oil pipe front oil return pipe 23135, a hot oil pipe oil return passage 23136 and a hot oil pipe mounting flange 23137; the hot oil pipe outer oil inlet pipe 23131 is connected and communicated with the hot oil pipe inner oil inlet pipe 23132, the hot oil pipe outer oil inlet pipe 23131 and the hot oil pipe inner oil inlet pipe 23132 together are provided with the hot oil pipe inner oil inlet passage 23133, the hot oil pipe inner oil inlet passage 23133 has a smaller diameter than the hot oil roller center oil inlet passage 231117 to ensure that the oil inlet amount of the hot oil roller 2311 is close to the oil outlet amount of the hot oil pipe 2313, the hot oil pipe rear oil return pipe 23134 is connected and communicated with the hot oil pipe front oil return pipe 23135, the hot oil pipe rear oil return pipe 23134 and the hot oil pipe front oil return pipe 23135 together are provided with the hot oil pipe oil return passage 23136, the hot oil pipe oil return passage 23136 has a diameter consistent with the diameter of the hot oil roller center oil outlet passage 23111B minus the outer diameter of the hot oil pipe inner oil inlet pipe 23132 and consistent with the diameter of the hot oil pipe inner oil inlet passage 23133, that is, the diameter of the hot oil pipe oil return passage 23136 is consistent with the diameter of the hot oil roller center oil outlet passage 23111B, to ensure that the oil outlet amount of the hot oil roller 2311 is consistent with the oil return amount of the hot oil pipe 2313; the hot oil pipe mounting flange 23137 is arranged on the hot oil pipe front oil return pipe 23135 to fix the hot oil pipe 2313 to an external support, the front end of the hot oil pipe front oil return pipe 23135 is provided with a hot oil pipe front oil return pipe groove 231351, the initial end of the hot oil pipe outer oil inlet pipe 23131 is provided with a hot oil pipe outer oil inlet pipe flange 231311 to connect an external oil supply pipeline, and the terminal end of the hot oil pipe rear oil return pipe 23134 is provided with a hot oil pipe rear oil return pipe flange 231341 to connect an external oil return pipeline, see Figure 6 The hot oil pipe inner oil inlet pipe 23132 penetrates through the plurality of hot oil roller center oil inlet passage sealing rings 23115 to extend into the hot oil roller center oil inlet passage 231117 of the hot oil roller 2311, and the right end of the hot oil pipe front oil return pipe 23135 extends into the hot oil roller group sealing ring groove 231116 of the hot oil roller body 23111 to become a rear joint part of the hot oil pipe 2313 and the hot oil roller 2311;
[0047] See Figure 5 , Figure 6 The hot oil pipe inner oil inlet passage 23133 is communicated with the hot oil roller center oil inlet passage 231117 to be communicated with the hot oil roller oil inlet passage 23111A where the hot oil roller center oil inlet passage 231117 is located, to form an oil inlet passage with consistent flow for supplying hot oil to heat the hot oil roller 2311, and the hot oil pipe oil return passage 23136 is also communicated with the hot oil roller center oil outlet passage 23111B to form an oil outlet passage with consistent flow for discharging heat lost oil from the hot oil roller 2311.
[0048] Further, referring to Figure 6 Figure 6 , 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 arranged in the oil hot pressing roller assembly sealing ring groove 231116 on the left end surface of the oil hot pressing roller body 23111, the right end of the hot oil pipe front oil return pipe 23135 is inserted into the oil hot pressing roller assembly sealing ring groove 231116 and adheres to the assembly sealing ring 23141, the roller cone ring 23142 is provided with a roller cone ring outer taper surface 231421, the roller cone flange 23143 is provided with a roller cone flange inner taper surface 231431 matched with the roller cone ring outer taper surface 231421, the roller cone ring 23142 is fixed in the oil hot pressing roller groove 231115 on the left end of the oil hot pressing roller body 23111 with the roller cone ring outer taper surface 231421 facing right, the roller cone flange 23143 is sleeved on the roller cone ring outer taper surface 231421 of the roller cone ring 23142 with the roller cone flange inner taper surface 231431 facing left, the pipe cone ring 23144 is provided with a pipe cone ring outer taper surface 231441, the pipe cone flange 23145 is provided with a pipe cone flange inner taper surface 231451 matched with the pipe cone ring outer taper surface 231441, the pipe cone ring 23144 is fixed in the hot oil pipe front oil return pipe groove 231351 on the right end of the hot oil pipe front oil return pipe 23135 with the pipe cone ring outer taper surface 231441 facing left, and the pipe cone flange 23145 is sleeved on the pipe cone ring outer taper surface 231441 of the pipe cone ring 23144 with the pipe cone flange inner taper surface 231451 facing right; the roller cone flange 23143 and the pipe cone flange 23145 can be pulled together by external structures, at this time, the assembly sealing ring 23141 dynamically seals the rear joint of the hot oil pipe 2313 and the oil hot pressing roller 2311 to prevent oil leakage in the oil passage, and in the process of rotating the oil hot pressing roller 2311 to press the material, the hot oil pipe 2313 fixed on the external support and not rotating with the oil hot pressing roller 2311 can supply hot oil to the oil hot pressing roller 2311 without oil leakage.
[0049] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An oil hot press roller assembly (231) for pressing a mixed powder into a powder tape or for pressing a powder tape into a composite tape with a foil tape; characterized in that: The oil hot press roller assembly (231) comprises an oil hot press roller (2311), two oil hot press roller bearing groups (2312), a hot oil pipe (2313), a hot oil dynamic sealing group (2314) and an oil hot press roller driven wheel (2315), the oil hot press roller (2311) is provided with an oil hot press roller oil inlet channel (23111A) in the roller body and closed at the right end and an oil hot press roller center oil outlet channel (23111B) open at the left end, two oil hot press roller bearing groups (2312) are respectively sleeved on the left and right ends of the oil hot press roller (2311) for supporting the oil hot press roller (2311) on the external support, the hot oil pipe (2313) is provided with a hot oil pipe oil inlet channel (23133) and a hot oil pipe oil return channel (23136), the hot oil pipe (2313) extends into the oil hot press roller (2311) from the left end and is fixed on the external support, the hot oil pipe oil inlet channel (23133) enters and communicates with the oil hot press roller oil inlet channel (23111A) of the oil hot press roller (2311) to form an oil inlet channel for supplying oil to the oil hot press roller (2311); the hot oil pipe oil return channel (23136) is connected and communicated with the oil hot press roller center oil outlet channel (23111B) to form an oil outlet channel for discharging oil from the oil hot press roller (2311); the hot oil dynamic sealing group (2314) is fixed on the right end of the hot oil pipe (2313) and the left end of the oil hot press roller (2311) for providing dynamic sealing for the rear joint of the hot oil pipe (2313) and the oil hot press roller (2311); the oil hot press roller driven wheel (2315) is fixed on the right end of the oil hot press roller (2311) for transmitting external power to drive the oil hot press roller (2311) to rotate; the hot oil pipe (2313) can supply hot oil to heat the oil hot press roller (2311), and the oil hot press roller (2311) can rotate under the drive of external power to heat and roll the material.
2. The oil heated press roller assembly (231) of claim 1, wherein: The oil hot pressing roller (2311) comprises an oil hot pressing roller body (23111), two oil hot pressing roller end covers (23112), a roller neck face sealing ring (23113), a roller end face sealing ring (23114) and an oil hot pressing roller center oil inlet passage sealing ring (23115); the oil hot pressing roller body (23111) comprises an oil hot pressing roller roller face (231111) with the largest diameter in the middle, oil hot pressing roller neck faces (231113) with smaller diameters at both ends of the oil hot pressing roller roller face (231111), two oil hot pressing roller end faces (231112) where the oil hot pressing roller roller face (231111) transitions to the oil hot pressing roller neck faces (231113), oil hot pressing roller supporting faces (231114) with even smaller diameters extending left and right from the oil hot pressing roller neck faces (231113), an oil hot pressing roller groove (231115) on the left end shaft face and an oil hot pressing roller group sealing ring groove (231116) on the left end face; the oil hot pressing roller end cover (23112) comprises an oil hot pressing roller end cover mounting end face (231121) slightly smaller than the oil hot pressing roller end face (231112), an oil hot pressing roller end cover counterbore (231122) sunken from the center of the oil hot pressing roller end cover mounting end face (231121) and an oil hot pressing roller end cover through hole (231123) passing out from the center of the oil hot pressing roller end cover counterbore (231122) to the right and capable of sealingly cooperating with the oil hot pressing roller neck face (231113); The two oil hot pressing roller end covers (23112) are respectively provided with the oil hot pressing roller end cover through hole (231123) penetrating outwards from the oil hot pressing roller neck faces (231113) at the left and right ends of the oil hot pressing roller body (23111) and are respectively fixed on the two oil hot pressing roller end faces (231112) at the left and right ends of the oil hot pressing roller body (23111) by the oil hot pressing roller end cover mounting end face (231121); the roller neck face sealing ring (23113) is arranged between the oil hot pressing roller neck face (231113) of the oil hot pressing roller body (23111) and the oil hot pressing roller end cover through hole (231123) of the corresponding oil hot pressing roller end cover (23112), the roller end face sealing ring (23114) is arranged between the oil hot pressing roller end face (231112) of the oil hot pressing roller body (23111) and the oil hot pressing roller end cover mounting end face (231121) of the corresponding oil hot pressing roller end cover (23112), and the roller neck face sealing ring (23113) and the roller end face sealing ring (23114) are used for sealing the oil inlet passage (23111A) of the oil hot pressing roller; the oil hot pressing roller center oil inlet passage sealing ring (23115) is fixed at a pre-set position in the oil inlet passage (23111A) of the oil hot pressing roller and is used for sealing the front joint part of the hot oil pipe (2313) and the oil hot pressing roller (2311) to separate the oil inlet passage and the oil outlet passage.
3. The oil heated platen roller assembly (231) of claim 2, wherein: The oil hot pressing roller body (23111) further comprises an oil hot pressing roller center oil inlet channel (231117), a plurality of oil hot pressing roller radial oil inlet channels (231118) and a plurality of oil hot pressing roller axial oil inlet channels (231119). The plurality of oil hot pressing roller radial oil inlet channels (231118) radially pass through the oil hot pressing roller neck surface (231113) at both ends of the oil hot pressing roller body (23111). The plurality of oil hot pressing roller axial oil inlet channels (231119) axially pass through the oil hot pressing roller end surface (231112) at both ends of the oil hot pressing roller body (23111). The oil hot pressing roller center oil inlet channel (231117) is located at the axial center of the oil hot pressing roller body (23111). The right end of the oil hot pressing roller center oil inlet channel (231117) is closed and communicates with the center end of the plurality of oil hot pressing roller radial oil inlet channels (231118) at the right end. The center line of the oil hot pressing roller center oil outlet channel (23111B) is located on the center line of the oil hot pressing roller center oil inlet channel (231117). The inner diameter of the oil hot pressing roller center oil outlet channel (23111B) is greater than the inner diameter of the oil hot pressing roller center oil inlet channel (231117). The right end of the oil hot pressing roller center oil outlet channel (23111B) is connected to the left end of the oil hot pressing roller center oil inlet channel (231117) and the center end of the plurality of oil hot pressing roller radial oil inlet channels (231118) connected to the left end. The left end of the oil hot pressing roller center oil outlet channel (23111B) extends to the left end surface of the oil hot pressing roller body (23111) to form an opening. A plurality of oil hot pressing roller center oil inlet channel sealing grooves (23111C) are arranged on the channel wall of the position where the hot oil pipe (2313) extends into the left end of the oil hot pressing roller center oil inlet channel (231117). An oil hot pressing roller center oil inlet channel sealing ring (23115) is arranged in each of the plurality of oil hot pressing roller center oil inlet channel sealing grooves (23111C). The oil hot pressing roller center oil inlet channel (231117) is located at the end part of the right end of the plurality of oil hot pressing roller center oil inlet channel sealing rings (23115), the plurality of oil hot pressing roller radial oil inlet channels (231118), the plurality of oil hot pressing roller axial oil inlet channels (231119) and the two oil hot pressing roller end cover counterbores (231122) to form a preset oil hot pressing roller oil inlet channel (23111A) with uniform flow of the oil hot pressing roller (2311). The oil hot pressing roller center oil outlet channel (23111B) and the oil hot pressing roller center oil inlet channel (231117) are provided for inserting the hot oil pipe (2313).
4. The oil heated platen roller assembly (231) of claim 2, wherein: The oil hot pressing roller bearing group (2312) comprises a bearing seat (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) is arranged outside the oil hot pressing roller supporting surface (231114) of the oil hot pressing roller body (23111), two bearing oil seals (23123) are respectively sleeved in the bearing seat (23121) and the bearing oil seal cover (23124), the bearing seat (23121) is sleeved outside the outer ring of the bearing (23122) together with one of the bearing oil seals (23123), the bearing oil seal cover (23124) is arranged outside the corresponding oil hot pressing roller supporting surface (231114) of the oil hot pressing roller body (23111) together with the other bearing oil seal (23123), and is fixed on the left end surface of the left bearing seat (23121) of the oil hot pressing roller body (23111) or the right end surface of the right bearing seat (23121) of the oil hot pressing roller body (23111). The bearing oil seal cover lock nut (23125) is connected with the threads on the corresponding oil hot pressing roller supporting surface (231114) of the oil hot pressing roller body (23111), locks the bearing oil seal cover (23124), and thereby supports the oil hot pressing roller body (23111) and the oil hot pressing roller (2311) on which the oil hot pressing roller body (23111) is arranged on the two oil hot pressing roller bearing groups (2312). The two oil hot pressing roller bearing groups (2312) are used to support the oil hot pressing roller (2311) on the external support.
5. The oil heated platen roller assembly (231) of claim 3, wherein: The hot oil pipe (2313) comprises a hot oil pipe outer oil inlet pipe (23131), a hot oil pipe inner oil inlet pipe (23132), a hot oil pipe inner oil inlet passage (23133), a hot oil pipe rear oil return pipe (23134), a hot oil pipe front oil return pipe (23135), a hot oil pipe oil return passage (23136), and a hot oil pipe mounting flange (23137); the hot oil pipe outer oil inlet pipe (23131) is connected and communicated with the hot oil pipe inner oil inlet pipe (23132), and the hot oil pipe outer oil inlet pipe (23131) and the hot oil pipe inner oil inlet pipe (23132) are provided with the hot oil pipe inner oil inlet passage (23133) together, the passage diameter of the hot oil pipe inner oil inlet passage (23133) is slightly smaller than the passage diameter of the oil hot press roller center oil inlet passage (231117) to ensure that the oil inlet amount of the oil hot press roller (2311) is close to the oil outlet amount of the hot oil pipe (2313), the hot oil pipe rear oil return pipe (23134) is connected and communicated with the hot oil pipe front oil return pipe (23135), and the hot oil pipe rear oil return pipe (23134) and the hot oil pipe front oil return pipe (23135) are provided with the hot oil pipe oil return passage (23136) together, the passage diameter of the hot oil pipe oil return passage (23136) is consistent with the passage diameter of the oil hot press roller center oil outlet passage (23111B) after subtracting the outer diameter of the hot oil pipe inner oil inlet pipe (23132) and consistent with the passage diameter of the hot oil pipe inner oil inlet passage (23133), that is, the diameter of the hot oil pipe oil return passage (23136) is consistent with the diameter of the oil hot press roller center oil outlet passage (23111B), to ensure that the oil outlet amount of the oil hot press roller (2311) is consistent with the oil return amount of the hot oil pipe (2313); the hot oil pipe mounting flange (23137) is arranged on the hot oil pipe front oil return pipe (23135) for fixing the hot oil pipe (2313) to an external support, a front end of the hot oil pipe front oil return pipe (23135) is provided with a hot oil pipe front oil return pipe groove (231351), a starting end of the hot oil pipe outer oil inlet pipe (23131) is provided with a hot oil pipe outer oil inlet pipe flange (231311) for connecting an external oil feeding pipeline, a terminal end of the hot oil pipe rear oil return pipe (23134) is provided with a hot oil pipe rear oil return pipe flange (231341) for connecting an external oil return pipeline, the hot oil pipe inner oil inlet pipe (23132) penetrates through a plurality of oil hot press roller center oil inlet passage sealing rings (23115) to extend into the oil hot press roller center oil inlet passage (231117) of the oil hot press roller (2311), and a right end of the hot oil pipe front oil return pipe (23135) extends into the oil hot press roller group sealing ring groove (231116) of the oil hot press roller body (23111) to become the rear combined part of the hot oil pipe (2313) and the oil hot press roller (2311); The hot oil pipe in-oil passage (23133) is communicated with the oil hot press roller center in-oil passage (231117) to be communicated with the oil hot press roller in-oil passage (23111A) where the oil hot press roller center in-oil passage (231117) is located, and constitutes the in-oil passage with consistent flow to send hot oil in to heat the oil hot press roller (2311). The hot oil pipe back-oil passage (23136) is also communicated with the oil hot press roller center out-oil passage (23111B) to constitute the out-oil passage with consistent flow to send the heat lost oil out of the oil hot press roller (2311).
6. The oil heated platen roller assembly (231) of claim 5, wherein: The hot oil dynamic seal assembly (2314) comprises an assembly seal 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 seal ring (23141) is arranged in the oil hot press roller assembly seal ring groove (231116) on the left end surface of the oil hot press roller body (23111), the right end of the hot oil pipe front oil return pipe (23135) is inserted into the oil hot press roller assembly seal ring groove (231116) and adheres to the assembly seal ring (23141), the roller cone ring (23142) is provided with a roller cone ring outer taper surface (231421), the roller cone flange (23143) is provided with a roller cone flange inner taper surface (231431) matched with the roller cone ring outer taper surface (231421), the roller cone ring (23142) is fixed in the oil hot press roller groove (231115) on the left end of the oil hot press roller body (23111) with the roller cone ring outer taper surface (231421) facing right, the roller cone flange (23143) is sleeved on the roller cone ring outer taper surface (231421) of the roller cone ring (23142) with the roller cone flange inner taper surface (231431) facing left, the pipe cone ring (23144) is provided with a pipe cone ring outer taper surface (231441), the pipe cone flange (23145) is provided with a pipe cone flange inner taper surface (231451) matched with the pipe cone ring outer taper surface (231441), the pipe cone ring (23144) is fixed in the hot oil pipe front oil return pipe groove (231351) on the right end of the hot oil pipe front oil return pipe (23135) with the pipe cone ring outer taper surface (231441) facing left, and the pipe cone flange (23145) is sleeved on the pipe cone ring outer taper surface (231441) of the pipe cone ring (23144) with the pipe cone flange inner taper surface (231451) facing right; the roller cone flange (23143) and the pipe cone flange (23145) can be pulled towards each other by external structures, at this time, the assembly seal ring (23141) dynamically seals the rear joint part of the hot oil pipe (2313) and the oil hot press roller (2311) to prevent oil leakage of the oil outlet channel, and in the process of rotating hot roller material by the oil hot press roller (2311), the hot oil pipe (2313) fixed on the external support and not rotating with the oil hot press roller (2311) can supply hot oil to the oil hot press roller (2311) without oil leakage to heat the oil hot press roller (2311).