CN108856294B - Heating roller and pair rolling mill adopting same - Google Patents
Heating roller and pair rolling mill adopting same Download PDFInfo
- Publication number
- CN108856294B CN108856294B CN201710333274.6A CN201710333274A CN108856294B CN 108856294 B CN108856294 B CN 108856294B CN 201710333274 A CN201710333274 A CN 201710333274A CN 108856294 B CN108856294 B CN 108856294B
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- heat transfer
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- rolling
- heating roller
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 137
- 238000005096 rolling process Methods 0.000 title claims abstract description 63
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000009191 jumping Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/021—Rolls for sheets or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/083—Lubricating, cooling or heating rolls internally cooling internally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention provides a heating roller and a pair of roller mills adopting the same, which are used for improving the temperature uniformity after the heating roller is heated and the thickness uniformity of a rolled material, wherein the heating roller comprises a heating body, a heat conductor sleeved on the periphery of the heating body and a roller body sleeved on the periphery of the heat conductor, the roller body comprises an inner surface facing the heat conductor and an outer surface opposite to the inner surface, the outer surface comprises a rolling surface for rolling and extension surfaces arranged at two ends of the rolling surface, the heat conductor comprises a heat transfer surface facing the inner surface, a first heat transfer area and a second heat transfer area positioned at two ends of the first heat transfer area are defined between the inner surface and the heat transfer surface, the orthographic projection of the first heat transfer area on the roller body is positioned in the range of the rolling surface, and the heat transfer coefficient of the first heat transfer area is smaller than that of the second area so as to balance the temperature of the roller body.
Description
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a heating roller and a pair of roller mill adopting the same.
Background
In the manufacturing process of the soft pack power battery, it is necessary to compact a pole piece material or metallic lithium by a rolling mill to improve energy density per unit area, uniformity of density, and uniformity of thickness. The conventional twin rolling mill is classified into a cold rolling twin rolling mill which is not heated and a heated twin rolling mill. However, with the continuous breakthrough of material application in the power battery technology, the cold heating mode can not meet the requirements of the rolling characteristic and the energy density of the novel material, and the purpose of improving the energy density of the pole piece material in unit area can be realized through heating and rolling.
The heating pair roller can be divided into an oil circulation heating pair roller, an electromagnetic heating pair roller and an electric heating pair roller according to different heating modes. Among them, oil heating is a common mode at present, but the safe flash point of high-temperature oil suitable for use can limit the temperature of the roller to about 200 ℃, the heating mode is generally at the highest temperature of 150 ℃, and meanwhile, the pollution of the oil is the biggest disadvantage of the mode; electromagnetic heating is a novel concept technology, but the heated pair roller has large thermal deformation due to the fact that the uniformity of temperature (the temperature difference in the market is more than 20 ℃) is not solved, so that the uniformity of density and the uniformity of thickness (the market is more than 0.01 mm) are poor, and the main performance index in the soft-package power battery is not achieved; the same problem and drawback are associated with electrical and electromagnetic heating.
Disclosure of Invention
In order to solve the technical problems, the invention provides a heating roller capable of improving the temperature uniformity after heating and the thickness uniformity of a pressed material and a pair of roller mill adopting the heating roller.
The technical scheme of the invention is as follows:
The utility model provides a heating roller, includes the heating member, overlaps and locates heating member outlying heat conductor and cover are located heat conductor outlying roller, the roller include towards the internal surface of heat conductor and with the surface that the internal surface set up relatively, the surface include be used for the roll extrusion face and set up in the extension face at roll extrusion face both ends, the heat conductor is including orientation the heat transfer face of internal surface, the internal surface with define between the heat transfer face and form first heat transfer region and be located the second heat transfer region at first heat transfer region both ends, the orthographic projection of first heat transfer region on the roller is located the within range of roll extrusion face, just the heat transfer coefficient of first heat transfer region is less than the heat transfer coefficient of second region in order to balance the temperature of roller.
Preferably, the first heat transfer area is a heat transfer space formed by enclosing the inner surface and the heat transfer surface.
Preferably, the heat transfer surface includes a first surface formed by recessing and a second surface disposed at two ends of the first surface, the first surface and the inner surface enclose to form the heat transfer space, and the second surface contacts with the inner surface to form the second heat transfer area.
Preferably, the inner surface and the second surface are cylindrical surfaces, and mutually meshed threads are formed on the second surface and the inner surface, and when the roller body and the heat conductor are assembled, the roller body and the heat conductor are connected through the threads.
Preferably, the extending surface comprises a first extending surface bent and extended from the rolling surface towards the inner surface and a second extending surface bent and extended from the first extending surface, the second surface comprises a threaded area with threads, and the orthographic projection of the second extending surface and the rolling surface on the heat conductor at least partially falls into the range of the threaded area.
The invention also provides a pair of rolling mills, which comprises a bracket structure and a pair of roller devices, wherein the pair of roller devices comprise two heating rollers, the two heating rollers are respectively and rotatably connected to the bracket structure, a rolling channel is formed between the two heating rollers, and the two heating rollers synchronously and reversely rotate to drive a rolled material to pass through the rolling channel.
Preferably, the pair of rolling mills further comprises a heating control device, the heating control device comprises two temperature sensor groups and a controller connected with the two temperature sensor groups and the heating bodies in the heating rollers respectively, each temperature sensor group comprises a first sensor for measuring the temperature of a rolling surface in the heating roller and a second sensor for measuring the temperature of an extending surface, far away from one end of the rolling surface, in the heating roller, and the controller controls the heating bodies to heat according to the detection temperature of each temperature sensor group so as to balance the temperature of the roller bodies in the heating roller.
Preferably, the pair of rolling mills further comprises a gap adjusting assembly, two ends of each heating roller are respectively sleeved with one gap adjusting assembly, the gap adjusting assemblies are respectively fixedly arranged on two opposite side surfaces of the support structure, and the gap adjusting assemblies prevent the heating rollers from jumping in the rolling process by eliminating gaps between the support structure and the heating rollers due to thermal expansion and contraction of the heating rollers.
Preferably, each gap adjusting assembly comprises a mounting plate sleeved at one end of the heating roller, a sliding block extending from two opposite ends of the mounting plate, a fixing block fixedly arranged on the support structure and in one-to-one correspondence with the sliding blocks, and an elastic assembly for elastically supporting the sliding blocks, wherein when gaps are generated between the support structure and the heating roller, the elastic assembly drives the sliding blocks to drive the heating roller to move to be in butt joint with the support structure.
Preferably, the elastic component comprises an elastic element and a bolt which passes through the sliding block and the elastic element and is locked on the fixed block, two ends of the elastic element are respectively supported on the sliding block and the bolt, and the compression ratio of the elastic element can be changed by rotating the bolt.
The heating roller and the pair roller mill adopting the heating roller have the beneficial effects that:
1. A first heat transfer area and a second heat transfer area positioned at two ends of the first heat transfer area are defined between the inner surface and the heat transfer surface, the orthographic projection of the first heat transfer area on the roller body is positioned in the range of the rolling surface, and the heat transfer coefficient of the first heat transfer area is smaller than that of the second area so as to balance the temperature of the roller body, so that heat can be prevented from accumulating in the middle part of the roller body, the total jump range of the roller body is overlarge due to overhigh local temperature, and the thickness uniformity of the pressed and pricked material is disqualified.
2. The inner surface and the second surface are provided with the mutually meshed threads, so that separation of the inner surface and the second surface caused by expansion due to heat and contraction due to cold can be avoided, heat transfer efficiency and uniformity of heat transfer are improved, and connection of the roller body and the heat conductor is facilitated.
3. The first sensor and the second sensor are used for respectively measuring the actual temperature of the rolling surface after the heating roller is heated and the temperature of the portal frame acted by the heating roller, and the controller is used for controlling the heating body to heat according to the detection temperature of each temperature sensor group, so that the temperature uniformity after the roller body is heated is not more than 2 ℃, and the total run-out after the roller body is heated is not more than 2 microns.
4. Through elastic component elastic support the sliding block, and when the support structure with the clearance that produces between the heating running roller, the elastic component drive the sliding block with drive the heating running roller move to with support structure butt, so as to eliminate between the heating running roller with the support structure because of the clearance that the heating running roller expends with heat and contracts with cold produces, thereby can prevent the heating running roller is beaten in the pressure rolling process, and then can guarantee by the material process of rolling thickness homogeneity behind the roll-in passageway.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a perspective view of a twin roll mill provided by the present invention;
fig. 2 is a perspective view of the pair of rolling mills shown in fig. 1 at another angle;
FIG. 3 is a schematic view of a portion of the pair of rolling mills shown in FIG. 1;
FIG. 4 is a cross-sectional view of the heated rolls of the pair of rolls of FIG. 1;
FIG. 5 is a schematic view of the structure of the roller body in the heating roller shown in FIG. 4;
Fig. 6 is a schematic view of the structure of the heat conductor in the heating roller shown in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2 in combination, the pair of rolling mills 100 includes a support structure 1, a driving device (not shown), a transmission device 5 and a pair of roller devices 7, wherein the pair of roller devices 7 includes two heating rollers 71, the two heating rollers 71 are respectively rotatably connected to the support structure 1, and a rolling channel 7A is formed therebetween, and the driving device 3 drives the two heating rollers 71 to synchronously and reversely rotate through the transmission device 5 so as to drive the rolled material to pass through the rolling channel 7A. In this embodiment, the rolled material may be a pole piece material, or may be metallic lithium, or may be other types of sheet materials.
The support structure 1 comprises a base 11 and a support 13 arranged on the base 11. Both ends of each heating roller 71 are respectively rotatably connected with the bracket 13. In this embodiment, the base 11 is a box structure, a ventilation and heat dissipation structure is arranged on the box structure, the driving device is arranged in the base 11, the support 13 is two spaced portal frames, and two ends of each heating roller 71 are respectively connected with the two portal frames in a rotating manner.
Referring to fig. 1 to 3, the driving device includes a motor. The transmission device 5 comprises a first gear 51 driven by the motor and two second gears 53 respectively fixed on the two heating rollers 71 and meshed with each other, and the first gear 51 is meshed with the second gears 53 close to the base 11.
Referring to fig. 3 and 4 in combination, the heating roller 71 includes a heating body 73, a heat conductor 75 sleeved on the periphery of the heating body 73, and a roller 77 sleeved on the periphery of the heat conductor 75. In this embodiment, the heating roller 71 further includes a fixing seat 79 fixedly connected to the heating body 73, the heat conductor 75, and the roller body 77, where the fixing seat 79 is located at one end of the heating roller 71 away from the second gear 53, and the heating body 73 is a heating rod of a universal standard component.
Referring to fig. 4 and 5 in combination, the roller 77 includes an inner surface 771 facing the heat conductor 75 and an outer surface 773 disposed opposite the inner surface 771.
The outer surface 773 includes a rolling surface 775 for rolling and extension surfaces 777 provided at both ends of the rolling surface 775. The rolling surface 775 is a cylindrical surface.
Referring to fig. 4 and 6, the heat conductor 75 includes a heat transfer surface 751 facing the inner surface 771. A first heat transfer area and a second heat transfer area are defined between the inner surface 771 and the heat transfer surface 751, the orthographic projection of the first heat transfer area on the roller body 77 is located in the range of the rolling surface 775, and the heat transfer coefficient of the first heat transfer area is smaller than that of the second area to balance the temperature of the roller body 77. Because the heating roller 71 is fixed between two portal frames, the portal frames are metal bodies and have good thermal conductivity, when the heating roller 71 heats, heat at two ends of the heating roller 71 can be lost faster than the middle of the heating roller 71 due to the portal frames, so that the temperature in the middle of the heating roller 71 is higher than that at two ends, and meanwhile, deformation of the heating roller 71 can be caused due to uneven temperature of the heating roller 71, therefore, a first heat transfer area and second heat transfer areas positioned at two ends of the first heat transfer area are defined between the inner surface 771 and the heat transfer surface 751, the orthographic projection of the first heat transfer area on the roller 77 is positioned in the range of the rolling surface 775, and the heat transfer coefficient of the first heat transfer area is smaller than that of the second heat transfer area so as to balance the temperature of the roller 77, and the heat can be prevented from accumulating in the middle part of the roller 77, so that the full-rolling thickness of the roller 77 due to local overhigh temperature is greatly increased, and then the rolling uniformity of the material is not qualified.
The heat transfer surface 751 includes a first surface 753 formed by recessing and a second surface 755 disposed at both ends of the first surface 753.
The first surface 753 and the inner surface 771 enclose a heat transfer space 71A, and the heat transfer space 71A is the first heat transfer area. In other embodiments, the inner surface 771 may include a surface formed by recessing and enclosing the heat transfer surface 751 to form the heat transfer space 71A.
The second surface 755 contacts the inner surface 771 to form the second heat transfer region.
The inner surface 771 and the second surface 755 are cylindrical surfaces, and the inner surface 771 and the second surface 755 are formed with mutually engaged threads, and when assembled, the roller body 77 and the heat conductor 75 are connected by threads. Meanwhile, by forming the mutually engaged threads on the inner surface 771 and the second surface 755, not only separation of the inner surface 771 and the second surface 755 due to expansion with heat and contraction with cold can be avoided, but also heat transfer efficiency and uniformity of heat transfer can be improved, and connection of the roller body 77 and the heat conductor 75 can be facilitated.
Referring to fig. 4-6, the extending surface 777 includes a first extending surface 778 extending from the rolling surface 775 in a direction toward the inner surface 771, and a second extending surface 779 extending from the first extending surface 778 in a direction toward the inner surface 771. The second surface 755 includes a threaded region 757 formed with threads, and the orthographic projections of the second extension 779 and the rolling surface 775 on the heat conductor 75 each at least partially fall within the range of the threaded region 757. In this embodiment, the threaded region 757 is located at an end of the second surface 755 that is proximate to the first surface 753.
Referring to fig. 2,3 and 4 in combination, in this embodiment, in order to further improve the uniformity of the heated temperature of the roller body 77, the pair of rolling mills 100 further includes a heating control device. The heating control device comprises two temperature sensor groups and a controller (not shown) respectively connected with the two temperature sensor groups and the heating bodies 73 of the heating rollers 71, each temperature sensor group comprises a first sensor 81 for measuring the temperature of a rolling surface 775 in the heating roller 71 and a second sensor 83 for measuring the temperature of an end of an extending surface 777 of the heating roller 71 far away from the rolling surface 775, and the controller controls the heating bodies 73 to heat according to the detected temperature of each temperature sensor group so as to balance the temperature of the roller bodies 77 in the heating roller 71. In this embodiment, the first sensor 81 is fixedly disposed on the bracket 13, a mounting hole 774 is disposed on an end surface of the roller body 77 that connects the inner surface 771 and the outer surface 773, and the second sensor 83 passes through the fixing seat 79 and is inserted into the mounting hole 774. In this embodiment, the controller is a programmable logic controller. The first sensor 81 and the second sensor 83 respectively measure the actual temperature of the rolling surface 775 (i.e. the rolling temperature provided by the equipment) after the heating roller 71 is heated and the temperature of the heating roller 71 acting on the portal frame, and the controller controls the heating body 73 to heat according to the detected temperature of each temperature sensor group, so that the heated temperature of the roller body 77 can be further balanced and the total run-out of the heated roller body 77 can be improved. For example, after the roller 77 is heated to 250 ℃, its temperature uniformity is no greater than 2 ℃ and its full run out is no greater than 2 microns.
Referring to fig. 1, 2 and 3 in combination, in this embodiment, in order to prevent the gap between the junction of the heating roller 71 and the two portal frames from being generated due to thermal expansion and contraction of the heating roller 71, the pair of rolling mill 100 further includes a gap adjusting assembly 9, so that the heating roller 71 is jumped during the rolling process (the jump of the heating roller 71 during the rolling process affects the thickness uniformity of the rolled material passing through the rolling channel 7A). The two ends of each heating roller 71 are respectively sleeved with a gap adjusting component 9, the gap adjusting components 9 are respectively fixedly arranged on two opposite sides of the support structure 1, and the gap adjusting components 9 prevent the heating rollers 71 from jumping in the rolling process by eliminating gaps between the support 13 of the support structure 1 and the heating rollers 71 due to expansion caused by heat and contraction caused by cold of the heating rollers 7. In this embodiment, the number of the gap adjusting units 9 is four.
The gap adjusting assembly 9 comprises a mounting plate 91 sleeved at one end of the heating roller 71, sliding blocks 93 extending from two opposite ends of the mounting plate 91, fixing blocks 95 fixedly arranged on the support 13 and arranged in one-to-one correspondence with the sliding blocks 93, and an elastic assembly for elastically supporting the sliding blocks 93.
The elastic component comprises an elastic element 97 and a bolt 99 which passes through the sliding block 93 and the elastic element 97 and is locked on the fixed block 95, and two ends of the elastic element 97 are respectively supported on the sliding block 93 and the bolt 99. The compression ratio of the elastic member 97 can be changed by rotating the bolt 99 to enhance the elastic supporting force of the elastic assembly to the slider 93. In this embodiment, the elastic member 97 is a spring.
When a gap is generated between the support structure 1 and the heating roller 71, the elastic component drives the sliding block 93 to drive the heating roller 71 to move to abut against the support 13.
Specifically, when a gap is generated between the heating roller 71 close to the base 11 and the bracket 13, the correspondingly arranged elastic component drives the sliding block 93 to drive the heating roller 71 to move in a direction away from the base 11 until the heating roller is in abutment with the bracket 13; when the heating roller 71 far from the base 11 generates a gap with the support structure 1, the correspondingly arranged elastic component drives the sliding block 93 to drive the heating roller 71 to move along the direction approaching to the base 11 until the heating roller is abutted against the support 13. Under the condition that the heating control device further balances the temperature of the heated roller body 77 and improves the total runout of the heated roller body 77, the clearance adjusting component 9 prevents the heated roller 71 from runout in the rolling process, so that the uniformity of the thickness of the rolled material is not more than 1.5 micrometers.
The heating roller and the pair roller mill adopting the heating roller have the following beneficial effects:
1. by defining the first heat transfer area and the second heat transfer area located at two ends of the first heat transfer area between the inner surface 771 and the heat transfer surface 751, the orthographic projection of the first heat transfer area on the roller body 77 is located in the range of the rolling surface 775, and the heat transfer coefficient of the first heat transfer area is smaller than that of the second heat transfer area to balance the temperature of the roller body 77, heat accumulation in the middle part of the roller body 77 can be avoided, so that the total run-out range of the roller body 77 caused by overhigh local temperature is overlarge, and the thickness uniformity of the rolled material is disqualified.
2. By forming the screw threads on the inner surface 771 and the second surface 755, not only separation of the inner surface 771 and the second surface 755 due to expansion with heat and contraction with cold can be avoided, but also heat transfer efficiency and uniformity of heat transfer can be improved, and connection of the roller body 77 and the heat conductor 75 can be facilitated.
3. The first sensor 81 and the second sensor 83 respectively measure the actual temperature of the rolling surface 775 after the heating roller 71 is heated and the temperature of the gantry acted by the heating roller 71, and the controller controls the heating body 73 to heat according to the detected temperature of each temperature sensor group, so that the temperature uniformity of the heated roller 77 is not greater than 2 ℃, and the total run-out of the heated roller 77 is not greater than 2 micrometers.
4. The sliding block 93 is elastically supported by the elastic component, and when a gap is generated between the support structure 1 and the heating roller 71, the elastic component drives the sliding block 93 to drive the heating roller 71 to move to be abutted against the support structure 1, so that the gap generated by thermal expansion and contraction of the heating roller 71 between the heating roller 71 and the support structure 1 is eliminated, the heating roller 71 can be prevented from jumping in the rolling process, and the thickness uniformity of the rolled material after passing through the rolling channel 7A can be ensured.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The utility model provides a heating roller, its characterized in that includes heating member, cover locate heating member peripheral heat conductor and cover locate the peripheral roll body of heat conductor, the roll body is including orientation the internal surface of heat conductor and with the surface that the internal surface set up relatively, the surface include be used for the roll extrusion face and set up in the extension face at roll extrusion face both ends, the extension face includes from roll extrusion face is faced the first extension face of internal surface direction kink extension and from the second extension face of first extension face kink extension, the heat conductor includes the heat transfer face towards the internal surface, the heat transfer face includes the first surface of recess formation and sets up the second surface at the both ends of first surface, first surface with the internal surface encloses and forms the heat transfer space, the heat transfer space is first heat transfer region, the second surface with the internal surface contact with form the second heat transfer region, the second surface includes the screw thread district that forms, second extension face and the face is located on the roll extrusion face at least the heat transfer region of a partial roll extrusion face on the internal surface the heat transfer region of heat conductor, the heat transfer coefficient is located in the equal heat transfer region of a roll extrusion face is located in the heat transfer region of a positive temperature equilibrium.
2. A twin-roll mill, comprising a support structure and a twin-roll device, wherein the twin-roll device comprises two heating rollers according to any one of claims 1, the two heating rollers are respectively and rotatably connected to the support structure, a rolling channel is formed between the two heating rollers, and the two heating rollers synchronously and reversely rotate to drive rolled materials to pass through the rolling channel.
3. The twin-roll mill according to claim 2, further comprising a heating control device including two temperature sensor groups each including a first sensor measuring a temperature of a rolling surface of the heating roller and a second sensor measuring a temperature of an extended surface of the heating roller away from an end of the rolling surface, and a controller connected to the two temperature sensor groups and the heating bodies of the heating rollers, respectively, the controller controlling heating of the heating bodies according to a detected temperature of each of the temperature sensor groups to equalize the temperature of the rolling bodies of the heating rollers.
4. The twin-roll mill according to claim 2 or 3, further comprising a gap adjusting assembly, wherein two ends of each heating roller are respectively sleeved with one gap adjusting assembly, the gap adjusting assemblies are respectively fixedly arranged on two opposite sides of the support structure, and the gap adjusting assemblies prevent the heating rollers from jumping in the rolling process by eliminating gaps between the support structure and the heating rollers due to thermal expansion and contraction of the heating rollers.
5. The twin roll mill according to claim 4, wherein each gap adjusting assembly comprises a mounting plate sleeved at one end of the heating roller, sliding blocks extending from two opposite ends of the mounting plate, fixing blocks fixedly arranged on the support structure and arranged in one-to-one correspondence with the sliding blocks, and elastic assemblies for elastically supporting the sliding blocks, and when a gap is generated between the support structure and the heating roller, the elastic assemblies drive the sliding blocks to drive the heating roller to move to be abutted with the support structure.
6. The twin rolling mill according to claim 5, wherein the elastic assembly includes an elastic member and a bolt passing through the sliding block and the elastic member and locked to the fixed block, both ends of the elastic member being supported on the sliding block and the bolt, respectively, and a compression ratio of the elastic member is changed by rotating the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333274.6A CN108856294B (en) | 2017-05-12 | 2017-05-12 | Heating roller and pair rolling mill adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333274.6A CN108856294B (en) | 2017-05-12 | 2017-05-12 | Heating roller and pair rolling mill adopting same |
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| Publication Number | Publication Date |
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| CN108856294A CN108856294A (en) | 2018-11-23 |
| CN108856294B true CN108856294B (en) | 2024-05-24 |
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| CN201710333274.6A Active CN108856294B (en) | 2017-05-12 | 2017-05-12 | Heating roller and pair rolling mill adopting same |
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| CN114713636B (en) * | 2022-05-20 | 2023-11-28 | 安徽工业大学 | Stainless iron composite sheet high-frequency impact rolling inner and outer isothermal roller assembly |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944983C (en) * | 1952-05-18 | 1956-06-28 | Neef & Schwarz Ind Elektrowaer | Electrically heated roller, the core of which is provided with axially extending grooves |
| DE3932963A1 (en) * | 1989-10-03 | 1991-04-11 | Stork Gmbh | Laminating machine with adjustable gap between 2 heated rollers - has 1 roller fixed and other roller held on rocker arm and both are filled with liq. heating agent |
| JPH07251207A (en) * | 1994-03-16 | 1995-10-03 | Mitsubishi Heavy Ind Ltd | Rolling mill |
| JP2000271613A (en) * | 1999-03-25 | 2000-10-03 | Kawasaki Steel Corp | Device for controlling roll crown |
| US6278094B1 (en) * | 1998-11-16 | 2001-08-21 | Walzen Irle Gmbh | Induction heating for thermal rollers |
| US6486448B1 (en) * | 1990-08-15 | 2002-11-26 | Metso Corporation | Method for heating of a roll and a heatable roll |
| CN1452436A (en) * | 2002-04-17 | 2003-10-29 | 哈利盛东芝照明株式会社 | Induction heating roller device, fixing device and image forming device |
| CN1455304A (en) * | 2002-04-30 | 2003-11-12 | 哈利盛东芝照明株式会社 | Sensitive heating-roller device, photographic fixing device and image forming device |
| CN1668396A (en) * | 2003-05-23 | 2005-09-14 | 株式会社京仁特殊金属 | Electric heating type rolling device |
| JP2008020643A (en) * | 2006-07-12 | 2008-01-31 | Toshiba Tec Corp | Method of manufacturing fixing roller, fixing roller and fixing device |
| EP1894642A1 (en) * | 2006-08-31 | 2008-03-05 | Océ-Technologies B.V. | Temperature control system for a roller in an image forming apparatus |
| CN101937246A (en) * | 2010-09-28 | 2011-01-05 | 株洲科力通用设备有限公司 | Method and device for controlling temperature uniformity of heating roller |
| CN202162211U (en) * | 2011-07-11 | 2012-03-14 | 邢台纳科诺尔极片轧制设备有限公司 | Electromagnetism heated battery pole piece rolling mill |
| CN202270706U (en) * | 2011-10-18 | 2012-06-13 | 熊杰然 | Hot roll temperature rolling equipment |
| CN102527727A (en) * | 2012-01-13 | 2012-07-04 | 燕山大学 | Roller with flexibly adjustable roller type curves |
| CN102950152A (en) * | 2011-08-16 | 2013-03-06 | 赵宽 | Film rolling machine with horizontally parallel ceramic rollers for pole pieces of lithium batteries |
| CN202762730U (en) * | 2012-09-28 | 2013-03-06 | 吕景海 | Electric heating roller |
| CN203155703U (en) * | 2013-02-26 | 2013-08-28 | 邢台纳科诺尔极片轧制设备有限公司 | Four-roller electrothermic battery pole piece rolling mill |
| CN203888362U (en) * | 2014-06-17 | 2014-10-22 | 云南省玉溪市科技彩印有限公司 | Electromagnetic induction heating hot stamping roller |
| CN104588412A (en) * | 2015-01-13 | 2015-05-06 | 上海应用技术学院 | Roller heating device capable of realizing multiple temperature modes |
| CN105107840A (en) * | 2015-08-06 | 2015-12-02 | 上海应用技术学院 | Surface severe deformation rolling device and method of magnesium alloy plate |
| CN205084957U (en) * | 2015-09-07 | 2016-03-16 | 深圳市科晶智达科技有限公司 | Pole piece coating unit |
| CN206810857U (en) * | 2017-05-12 | 2017-12-29 | 深圳市科晶智达科技有限公司 | Heat disk roller and using the heating disk roller to roller mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4910071B1 (en) * | 2011-04-28 | 2012-04-04 | 昭男 平根 | Sheet metal repair jig |
-
2017
- 2017-05-12 CN CN201710333274.6A patent/CN108856294B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE944983C (en) * | 1952-05-18 | 1956-06-28 | Neef & Schwarz Ind Elektrowaer | Electrically heated roller, the core of which is provided with axially extending grooves |
| DE3932963A1 (en) * | 1989-10-03 | 1991-04-11 | Stork Gmbh | Laminating machine with adjustable gap between 2 heated rollers - has 1 roller fixed and other roller held on rocker arm and both are filled with liq. heating agent |
| US6486448B1 (en) * | 1990-08-15 | 2002-11-26 | Metso Corporation | Method for heating of a roll and a heatable roll |
| JPH07251207A (en) * | 1994-03-16 | 1995-10-03 | Mitsubishi Heavy Ind Ltd | Rolling mill |
| US6278094B1 (en) * | 1998-11-16 | 2001-08-21 | Walzen Irle Gmbh | Induction heating for thermal rollers |
| JP2000271613A (en) * | 1999-03-25 | 2000-10-03 | Kawasaki Steel Corp | Device for controlling roll crown |
| CN1452436A (en) * | 2002-04-17 | 2003-10-29 | 哈利盛东芝照明株式会社 | Induction heating roller device, fixing device and image forming device |
| CN1455304A (en) * | 2002-04-30 | 2003-11-12 | 哈利盛东芝照明株式会社 | Sensitive heating-roller device, photographic fixing device and image forming device |
| CN1668396A (en) * | 2003-05-23 | 2005-09-14 | 株式会社京仁特殊金属 | Electric heating type rolling device |
| JP2008020643A (en) * | 2006-07-12 | 2008-01-31 | Toshiba Tec Corp | Method of manufacturing fixing roller, fixing roller and fixing device |
| EP1894642A1 (en) * | 2006-08-31 | 2008-03-05 | Océ-Technologies B.V. | Temperature control system for a roller in an image forming apparatus |
| CN101937246A (en) * | 2010-09-28 | 2011-01-05 | 株洲科力通用设备有限公司 | Method and device for controlling temperature uniformity of heating roller |
| CN202162211U (en) * | 2011-07-11 | 2012-03-14 | 邢台纳科诺尔极片轧制设备有限公司 | Electromagnetism heated battery pole piece rolling mill |
| CN102950152A (en) * | 2011-08-16 | 2013-03-06 | 赵宽 | Film rolling machine with horizontally parallel ceramic rollers for pole pieces of lithium batteries |
| CN202270706U (en) * | 2011-10-18 | 2012-06-13 | 熊杰然 | Hot roll temperature rolling equipment |
| CN102527727A (en) * | 2012-01-13 | 2012-07-04 | 燕山大学 | Roller with flexibly adjustable roller type curves |
| CN202762730U (en) * | 2012-09-28 | 2013-03-06 | 吕景海 | Electric heating roller |
| CN203155703U (en) * | 2013-02-26 | 2013-08-28 | 邢台纳科诺尔极片轧制设备有限公司 | Four-roller electrothermic battery pole piece rolling mill |
| CN203888362U (en) * | 2014-06-17 | 2014-10-22 | 云南省玉溪市科技彩印有限公司 | Electromagnetic induction heating hot stamping roller |
| CN104588412A (en) * | 2015-01-13 | 2015-05-06 | 上海应用技术学院 | Roller heating device capable of realizing multiple temperature modes |
| CN105107840A (en) * | 2015-08-06 | 2015-12-02 | 上海应用技术学院 | Surface severe deformation rolling device and method of magnesium alloy plate |
| CN205084957U (en) * | 2015-09-07 | 2016-03-16 | 深圳市科晶智达科技有限公司 | Pole piece coating unit |
| CN206810857U (en) * | 2017-05-12 | 2017-12-29 | 深圳市科晶智达科技有限公司 | Heat disk roller and using the heating disk roller to roller mill |
Non-Patent Citations (2)
| Title |
|---|
| 张婷婷 ; 张春伟 ; .温轧机的轧辊加热方式研究.宝钢技术.2016,(05),全文. * |
| 温轧机的轧辊加热方式研究;张婷婷;张春伟;;宝钢技术;20161015(05);全文 * |
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