CN109624486B - Heating roller - Google Patents
Heating roller Download PDFInfo
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- CN109624486B CN109624486B CN201811558764.7A CN201811558764A CN109624486B CN 109624486 B CN109624486 B CN 109624486B CN 201811558764 A CN201811558764 A CN 201811558764A CN 109624486 B CN109624486 B CN 109624486B
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- oil
- heat dissipation
- oil inlet
- channels
- inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/22—Means for cooling or heating forme or impression cylinders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a heating roller, which comprises a cylinder body, wherein the cylinder body comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, a first heat dissipation oil duct and a second heat dissipation oil duct which are opposite in direction are arranged between the inner cylinder and the outer cylinder, an oil inlet and outlet shaft head is arranged at the right end of the cylinder body, an oil inlet inner pipe which is used for conducting the oil inlet and the left port of the first heat dissipation oil duct is arranged in the cylinder body, a first backflow channel which is used for conducting the right port of the first heat dissipation oil duct and the oil outlet is arranged in the oil inlet and outlet shaft head, a second oil inlet channel which is used for conducting the oil inlet and the right port of the second heat dissipation oil duct is also arranged in the oil inlet and outlet shaft head, and a backflow pipe which is used for conducting the left port of the second heat dissipation oil duct and the oil outlet is also arranged in the cylinder body. The temperature of each part of the surface of the heating roller can be kept basically consistent, which is beneficial to improving the excellent rate of the product produced by the invention.
Description
Technical Field
The present invention relates to a heating roller.
Background
The existing heating roller has two structures, one is of a single-layer single-pass type structure, two ends of the roller adopt straight-through rotary joints, after heat conduction oil enters the heating roller from one rotary joint, the heat conduction oil flows to the other end of the heating roller along a channel parallel to the axis of the heating roller or along a spiral channel, and finally flows out from the other rotary joint, and as the heat conduction oil gradually dissipates heat in the process of flowing from one end of the heating roller to the other end, the temperature difference at the two ends of the heating roller is large, the heat dissipation is rapid, and the heat efficiency is low; the other is a compound reflux structure, one end of the operation side adopts a compound rotary joint, heat conduction oil flows in the roller along a serpentine channel to form a single reflux process, so that the temperature difference of two ends of the roller surface can be reduced, but the temperature difference of different positions of the roller surface is still larger, and the qualification rate of products is affected.
Disclosure of Invention
In view of the above, the present invention aims to provide a heating roller with compact structure and small surface temperature difference.
The invention adopts the technical proposal for solving the technical problems that:
the utility model provides a heating roller, its includes the barrel, the barrel includes inner tube and the urceolus of cover outside the inner tube, is provided with first heat dissipation oil duct and the second heat dissipation oil duct that can carry the conduction oil to the other end from the one end of barrel between inner tube and the urceolus, first heat dissipation oil duct is opposite with the second heat dissipation oil duct direction, the right-hand member of barrel is provided with business turn over oil spindle nose, be provided with inlet port and oil outlet on the business turn over oil spindle nose, still be provided with in the barrel will inlet port and the left port of first heat dissipation oil duct switch on advance oil pipe, be provided with in the business turn over oil spindle nose will the right port of first heat dissipation oil duct and the first backflow channel that the oil outlet switch on, still be provided with in the business turn over oil spindle nose will inlet port and the right port switch on second oil inlet channel switch on the back flow pipe of business turn over.
According to the heating roller, the driving shaft head is arranged at the left end of the cylinder body, the oil inlet inner pipe and the return pipe are fixed between the driving shaft head and the oil inlet and outlet shaft head, the first oil inlet channel for conducting the left port of the oil inlet inner pipe and the left port of the first heat dissipation oil duct is arranged in the driving shaft head, and the second return channel for conducting the left port of the second heat dissipation oil duct and the left port of the return pipe is also arranged in the driving shaft head.
According to the heating roller, the oil inlet and outlet shaft head comprises the shaft head body and the oil inlet pipe, the oil inlet hole is formed in the shaft head body, the oil inlet pipe is inserted into the oil inlet hole, the inner hole of the oil inlet pipe forms the oil inlet hole, and the oil inlet inner pipe and the second oil inlet channel are respectively communicated with the oil inlet pipe.
The heating roller is characterized in that the oil inlet and outlet shaft head further comprises an oil guide part arranged at the left end of the oil outlet, an oil guide cavity is arranged in the oil guide part, the left end of the oil inlet pipe and the right end of the oil inlet inner pipe are respectively inserted into the oil guide cavity and communicated with the oil guide cavity, a first through hole is formed in the top and/or the bottom of the oil guide cavity, a second through hole communicated with the first through hole is formed in the shaft head body, and the first through hole and the second through hole jointly form a second oil inlet channel.
According to the heating roller, the oil guide groove for conducting the second backflow channel and the oil outlet is further formed in the outer side wall of the oil guide piece, and the oil guide groove is isolated from the oil guide cavity.
According to the heating roller, the number of the first heat dissipation oil channels is more than two, the first heat dissipation oil channels are uniformly distributed along the circumferential direction of the cylinder body, the first oil inlet channels are in one-to-one correspondence with the first heat dissipation oil channels, the first oil inlet channels are radially arranged with the oil inlet inner pipe as the center, the first return channels are in one-to-one correspondence with the first heat dissipation oil channels, and the first return channels are radially arranged with the oil outlet as the center; the number of the second heat dissipation oil ducts is more than two, the second heat dissipation oil ducts are uniformly distributed along the circumferential direction of the cylinder body, the second oil inlet channels are in one-to-one correspondence with the second heat dissipation oil ducts, the second oil inlet channels are radially arranged by taking the oil inlet pipe as the center, the second return channels are in one-to-one correspondence with the second heat dissipation oil ducts, and the second return channels are radially arranged by taking the return pipe as the center.
The heating roller is characterized in that the first heat dissipation oil channels and the second heat dissipation oil channels are equal in number and two or more in number, the first heat dissipation oil channels and the second heat dissipation oil channels are antiparallel, and the first heat dissipation oil channels and the second heat dissipation oil channels are staggered along the circumference of the inner cylinder at intervals.
According to the heating roller, the first heat dissipation oil duct and the second heat dissipation oil duct are both spiral.
According to the heating roller, the guide plate is arranged between the inner cylinder and the outer cylinder, and the space between the inner cylinder and the outer cylinder is divided into the first heat dissipation oil duct and the second heat dissipation oil duct by the guide plate.
According to the heating roller, the supporting plate for supporting the oil inlet inner pipe and the return pipe is further arranged in the cylinder body.
The beneficial effects of the invention are as follows: the invention has compact structure, wherein two heat conducting oil loops are formed, the heat conducting oil in the first loop enters from the left end of the cylinder body and flows out from the right end of the cylinder body along the first heat dissipation channel, the heat conducting oil in the second loop enters from the right end of the cylinder body and flows out from the left end of the cylinder body along the second heat dissipation channel, and the temperature of each part of the surface of the heating roller can be kept basically consistent under the common action of the heat conducting oil in the two loops, thereby being beneficial to improving the excellent rate of products produced by the invention.
Drawings
FIG. 1 is a schematic view of the structure of the present invention with heat transfer oil flowing therein;
FIG. 2 is a cross-sectional view of a structure of the present invention for implementing a first reflow mode;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 5 is a cross-sectional view of a structure of the present invention for achieving a second reflow mode;
FIG. 6 is a partially enlarged schematic illustration of portion B of FIG. 5;
fig. 7 is a schematic view of the structure of the present invention with the outer cylinder removed.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, arrows in fig. 1, 2, 5 and 7 indicate the flowing direction of the heat conduction oil, the embodiment of the invention provides a heating roller, which comprises a cylinder 1, the cylinder 1 comprises an inner cylinder 11 and an outer cylinder 12 sleeved outside the inner cylinder 11, a first heat dissipation oil duct 101 and a second heat dissipation oil duct 102 capable of conveying the heat conduction oil from one end to the other end of the cylinder 1 are arranged between the inner cylinder 11 and the outer cylinder 12, the first heat dissipation oil duct 101 and the second heat dissipation oil duct 102 are opposite in direction, the right end of the cylinder 1 is provided with an oil inlet and outlet shaft head 3, an oil inlet hole 301 and an oil outlet hole 302 are arranged on the oil inlet and outlet shaft head 3, an oil inlet pipe 4 for conducting the oil inlet hole 301 and the left port of the first heat dissipation oil duct 101 is also arranged in the cylinder 1, a first backflow channel 303 for conducting the right port of the first heat dissipation oil duct 101 and the oil outlet hole 302 is arranged in the oil inlet and outlet shaft head 3, a second backflow channel 304 for conducting the oil inlet hole 301 and the right port of the second heat dissipation oil duct 102 is also arranged in the cylinder 1, and the backflow channel 302 is also arranged in the oil inlet and outlet channel 5 is arranged.
In this embodiment, the left end of the cylinder 1 is provided with a driving shaft head 2, the oil inlet inner pipe 4 and the return pipe 5 are fixed between the driving shaft head 2 and the oil inlet and outlet shaft head 3, a first oil inlet channel 201 for conducting the left port of the oil inlet inner pipe 4 and the left port of the first heat dissipation oil duct 101 is arranged in the driving shaft head 2, and a second return channel 202 for conducting the left port of the second heat dissipation oil duct 102 and the left port of the return pipe 5 is also arranged in the driving shaft head 2. Of course, the second backflow channel 202 and the first oil inlet channel 201 in the driving shaft head 2 can be omitted, and meanwhile, a bending section is respectively arranged at the left ends of the oil inlet inner tube 4 and the backflow tube 5, so that the oil inlet inner tube 4 is directly communicated with the left port of the first heat dissipation oil duct 101, and the backflow tube 5 is communicated with the left port of the second heat dissipation oil duct 102.
The invention has compact structure, wherein two heat conducting oil loops are formed. The first conduction oil circuit includes oil inlet 301, oil inlet inner pipe 4, first oil inlet channel 201, first heat dissipation oil duct 101, first return channel 303 and oil outlet 302 that set gradually along the conduction oil flow direction, and the first conduction oil circuit includes oil inlet 301, second oil inlet channel 304, second heat dissipation oil duct 102, second return channel 202, return pipe 5 and oil outlet 302 that set gradually along the conduction oil flow direction. The temperature of the heat conduction oil flowing through the first heat conduction oil loop is higher at the left end of the first heat dissipation oil duct 101, the temperature gradually decreases when flowing from left to right along the first heat dissipation oil duct 101, and the temperature is lowest when reaching the right end of the first heat dissipation oil duct 101; the heat transfer oil flowing through the second heat transfer oil circuit has a higher temperature at the right end of the second heat dissipation oil duct 102, gradually decreases in temperature when flowing from right to left along the second heat dissipation oil duct 102, and is lowest in temperature when flowing to the left end of the second heat dissipation oil duct 102. Therefore, under the combined action of the heat conduction oil in the two loops, the temperature of each part of the surface of the heating roller can be kept basically consistent, and the product yield of the product produced by the invention is improved.
Referring to fig. 2 and 5, in this embodiment, the oil inlet and outlet shaft head 3 includes a shaft head body 31 and an oil inlet pipe 32, the oil inlet 301 is disposed on the shaft head body 31, the oil inlet pipe 32 is inserted into the oil inlet 301, an inner hole of the oil inlet pipe 32 forms the oil inlet 301, and the oil inlet inner pipe 4 and the second oil inlet channel 304 are respectively communicated with the oil inlet pipe 32.
Referring to fig. 2, 4 and 5, the oil inlet and outlet shaft head 3 further includes an oil guiding member 33 disposed at the left end of the oil outlet hole 302, an oil guiding cavity 330 is disposed in the oil guiding member 33, the left end of the oil inlet pipe 32 and the right end of the oil inlet inner pipe 4 are respectively inserted into the oil guiding cavity 330 and are communicated with the oil guiding cavity 330, a first through hole 305 is disposed at the top and/or bottom of the oil guiding cavity 330, a second through hole 306 communicated with the first through hole 305 is disposed on the shaft head body 31, and the first through hole 305 and the second through hole 306 jointly form the second oil inlet channel 304. By adopting the structure, the channel for oil inlet and outlet in the oil inlet and outlet shaft head 3 can be isolated from the channel for oil outlet, and the heat conduction oil is prevented from being short-circuited.
Referring to fig. 2 and 4, an oil guiding groove 307 for conducting the second return channel 202 and the oil outlet 302 is further provided on the outer sidewall of the oil guiding member 33, and the oil guiding groove 307 is isolated from the oil guiding cavity 330. The oil guide 33 is a separate component, and the oil guide groove 307 is formed on the outer wall of the oil guide 33 more easily than a pipe formed on the head body to communicate the second return passage 202 with the oil outlet hole 302, which is advantageous in reducing the production cost.
Referring to fig. 3 and 4, the number of the first heat dissipation oil channels 101 is more than two, each first heat dissipation oil channel 101 is uniformly distributed along the circumferential direction of the cylinder body 1, the first oil inlet channels 201 are in one-to-one correspondence with the first heat dissipation oil channels 101, each first oil inlet channel 201 is radially arranged with the oil inlet pipe 4 as a center, the first return channels 303 are in one-to-one correspondence with the first heat dissipation oil channels 101, and each first return channel 303 is radially arranged with the oil outlet hole 302 as a center; the number of the second heat dissipation oil channels 102 is more than two, the second heat dissipation oil channels 102 are uniformly distributed along the circumferential direction of the cylinder body 1, the second oil inlet channels 304 are in one-to-one correspondence with the second heat dissipation oil channels 102, the second oil inlet channels 304 are radially arranged with the oil inlet pipes 32 as the center, the second return channels 202 are in one-to-one correspondence with the second heat dissipation oil channels 102, and the second return channels 202 are radially arranged with the return pipe 5 as the center.
Referring to fig. 7, the first heat dissipation oil channels 101 and the second heat dissipation oil channels 102 are equal in number, and two or more are provided, the first heat dissipation oil channels 101 and the second heat dissipation oil channels 102 are antiparallel, and the first heat dissipation oil channels 101 and the second heat dissipation oil channels 102 are staggered along the circumference of the cylinder 1 at intervals. In such design, a second heat dissipation oil duct 102 is arranged between every two adjacent first heat dissipation oil ducts 101, and a first heat dissipation oil duct 101 is arranged between every two adjacent second heat dissipation oil ducts 102, so that the temperature uniformity of the outer surface of the cylinder body 1 is further improved.
Preferably, the first heat dissipation oil passage 101 and the second heat dissipation oil passage 102 are both spiral. Of course, the first and second heat dissipation oil passages 101 and 102 may be linear arranged along the axial direction of the cylinder 1.
Referring to fig. 2, a baffle 13 is disposed between the inner cylinder 11 and the outer cylinder 12, and the baffle 13 divides a space between the inner cylinder 11 and the outer cylinder 12 into a first heat dissipation oil passage 101 and a second heat dissipation oil passage 102. The baffle 13 may be disposed on the outer wall of the inner cylinder 11 or on the inner wall of the outer cylinder 12, and both ends of the inner cylinder 11 and the outer cylinder 12 are welded.
Referring to fig. 2, a supporting plate 6 for supporting the oil inlet pipe 4 and the return pipe 5 is further disposed in the cylinder 1, and the supporting plate 6 is welded to the right side wall of the driving shaft head 2. In the present embodiment, the return pipe 5 includes a return inner pipe 51 fitted over the oil inlet inner pipe 4 and a return outer pipe 52 fitted over the return inner pipe 51, and the heat transfer oil circulates in a space between the return inner pipe 51 and the return outer pipe 52.
The foregoing is only a preferred embodiment of the present invention, and all technical solutions for achieving the object of the present invention by substantially the same means are within the scope of the present invention.
Claims (10)
1. The utility model provides a heating roller, its characterized in that includes barrel (1), barrel (1) include inner tube (11) and cover outer urceolus (12) including inner tube (11), be provided with between inner tube (11) and urceolus (12) and carry the conduction oil from the one end of barrel (1) to first heat dissipation oil duct (101) and second heat dissipation oil duct (102) of the other end, first heat dissipation oil duct (101) are opposite with second heat dissipation oil duct (102) direction, the right-hand member of barrel (1) is provided with business turn over oil spindle nose (3), be provided with inlet port (301) and oil outlet (302) on business turn over oil spindle nose (3), still be provided with in barrel (1) will inlet port (301) and the left port of first heat dissipation oil duct (101) switch on oil inlet tube (4), be provided with in business turn over oil spindle nose (3) will right port and oil outlet port (302) switch on, business turn over oil spindle nose (3) are provided with in business turn over oil spindle nose (3) left side port (102) switch on with second heat dissipation oil duct (102).
2. The heating roller according to claim 1, wherein a transmission shaft head (2) is arranged at the left end of the cylinder body (1), the oil inlet inner pipe (4) and the return pipe (5) are fixed between the transmission shaft head (2) and the oil inlet and outlet shaft head (3), a first oil inlet channel (201) for conducting the left port of the oil inlet inner pipe (4) and the left port of the first heat dissipation oil duct (101) is arranged in the transmission shaft head (2), and a second return channel (202) for conducting the left port of the second heat dissipation oil duct (102) and the left port of the return pipe (5) is also arranged in the transmission shaft head (2).
3. A heating roller according to claim 2, characterized in that the oil inlet and outlet shaft head (3) comprises a shaft head body (31) and an oil inlet pipe (32), the oil inlet hole (301) is formed in the shaft head body (31), the oil inlet pipe (32) is inserted in the oil inlet hole (301), the inner hole of the oil inlet pipe (32) forms the oil inlet hole (301), and the oil inlet inner pipe (4) and the second oil inlet channel (304) are respectively communicated with the oil inlet pipe (32).
4. A heating roller according to claim 3, wherein the oil inlet and outlet shaft head (3) further comprises an oil guide member (33) arranged at the left end of the oil outlet hole (302), an oil guide cavity (330) is arranged in the oil guide member (33), the left end of the oil inlet pipe (32) and the right end of the oil inlet inner pipe (4) are respectively inserted into the oil guide cavity (330) and communicated with the oil guide cavity (330), a first through hole (305) is formed in the top and/or the bottom of the oil guide cavity (330), a second through hole (306) communicated with the first through hole (305) is formed in the shaft head body (31), and the first through hole (305) and the second through hole (306) jointly form the second oil inlet channel (304).
5. A heating roller according to claim 4, wherein an oil guiding groove (307) for conducting the second return passage (202) and the oil outlet hole (302) is further provided on the outer side wall of the oil guiding member (33), and the oil guiding groove (307) is isolated from the oil guiding cavity (330).
6. A heating roller according to claim 3, wherein the number of the first heat dissipation oil channels (101) is more than two, each first heat dissipation oil channel (101) is uniformly distributed along the circumferential direction of the cylinder (1), the first oil inlet channels (201) are in one-to-one correspondence with the first heat dissipation oil channels (101), each first oil inlet channel (201) is radially arranged with an oil inlet inner tube (4) as a center, the first return channels (303) are in one-to-one correspondence with the first heat dissipation oil channels (101), and each first return channel (303) is radially arranged with an oil outlet hole (302) as a center; the number of the second heat dissipation oil ducts (102) is more than two, the second heat dissipation oil ducts (102) are uniformly distributed along the circumferential direction of the cylinder body (1), the second oil inlet channels (304) are in one-to-one correspondence with the second heat dissipation oil ducts (102), the second oil inlet channels (304) are radially arranged with the oil inlet pipes (32) as the center, the second backflow channels (202) are in one-to-one correspondence with the second heat dissipation oil ducts (102), and the second backflow channels (202) are radially arranged with the backflow pipes (5) as the center.
7. The heating roller according to claim 1, wherein the number of the first heat dissipation oil channels (101) and the number of the second heat dissipation oil channels (102) are equal, the number of the first heat dissipation oil channels (101) and the number of the second heat dissipation oil channels (102) are two or more, the first heat dissipation oil channels (101) and the second heat dissipation oil channels (102) are antiparallel, and the first heat dissipation oil channels (101) and the second heat dissipation oil channels (102) are alternately arranged along the circumference of the inner cylinder (11) at intervals.
8. A heating roller according to claim 7, wherein the first heat dissipation oil passage (101) and the second heat dissipation oil passage (102) are each helical.
9. A heating roller according to claim 1, characterized in that a baffle (13) is provided between the inner cylinder (11) and the outer cylinder (12), the baffle (13) dividing the space between the inner cylinder (11) and the outer cylinder (12) into a first heat radiation oil passage (101) and a second heat radiation oil passage (102).
10. A heating roller according to claim 1, characterized in that a supporting plate (6) supporting the oil inlet inner tube (4) and the return tube (5) is also provided in the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558764.7A CN109624486B (en) | 2018-12-19 | 2018-12-19 | Heating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558764.7A CN109624486B (en) | 2018-12-19 | 2018-12-19 | Heating roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624486A CN109624486A (en) | 2019-04-16 |
| CN109624486B true CN109624486B (en) | 2023-08-04 |
Family
ID=66075540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558764.7A Active CN109624486B (en) | 2018-12-19 | 2018-12-19 | Heating roller |
Country Status (1)
| Country | Link |
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| CN (1) | CN109624486B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411374A (en) * | 2022-01-13 | 2022-04-29 | 无锡市信谊机械有限公司 | Heating roller body and textile machinery |
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| CN109624486A (en) | 2019-04-16 |
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