Heating roller for papermaking drying

By designing a support frame and protective mechanism for the heating roller used in paper drying, the corrosion and contamination problems of the heating cylinder caused by oil pipe leakage were solved, enabling timely detection and separation of the oil pipe, and improving equipment maintenance efficiency and paper quality.

CN223510213UActive Publication Date: 2025-11-04SHANDONG DAXING MASCH CO LTD
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Patent Information

Application Number
CN202423118034.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-04
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing technologies, leaks in oil pipes can corrode and contaminate the heating cylinder, making timely detection and handling difficult.

Method used

A paper drying heating roller was designed, comprising a support frame, a heating cylinder, an oil pipe, a warning mechanism, and a protective mechanism. The warning mechanism detects oil pipe damage in real time and alerts workers, while the protective mechanism prevents the oil pipe from directly contacting the heating cylinder, reducing corrosion and contamination.

Benefits of technology

It enables timely detection and separation of oil pipe damage, reduces maintenance time, avoids paper contamination during processing, and extends the service life of the heating cylinder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of heating rollers, and particularly relates to a heating roller for papermaking drying, which comprises a support frame, a heating cylinder is rotatably connected to the inner side of the support frame, a cover plate is arranged on one side of the heating cylinder, and the surface of the cover plate is rotatably connected with the inner wall of the support frame. One side of the cover plate is fixedly connected with one side of the heating cylinder through a bolt, an inner cavity of the supporting frame is slidably connected with an oil pipe, one end of the oil pipe penetrates through the inner cavity of the heating cylinder and extends to the outer side of the supporting frame, a protection mechanism is arranged on the inner wall of the heating cylinder, and a warning mechanism is arranged on one side of the supporting frame. By arranging the warning mechanism, whether the oil pipe is damaged or not can be detected in real time, when the oil pipe is damaged, a worker can be warned to separate the oil pipe from the heating cylinder in time, the replacement time of the oil pipe is shortened, the heating cylinder in the machining process is protected, and meanwhile pollution to paper in the machining process is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heating roller technical field, concretely is a kind of heating roller for papermaking drying. BACKGROUND

[0002] Paper is made of plant fiber sheet, paper machine is the subunit linkage of paper pulp to form paper web complete equipment assembly, including headbox, net part, press section, drying section, polishing machine, paper winding machine and transmission part etc. Main machine and steam, water, vacuum, lubrication, heat recovery etc. Auxiliary system, paper needs to be dried in the next step in the process of cutting, at this time a kind of heating roller for papermaking drying is used.

[0003] Heating roller is usually composed of oil pipe and heating cylinder, connected with oil pipe through external heating assembly, heated by injecting hot oil into oil pipe, heated by heat exchange treatment of heating cylinder and oil pipe, when oil pipe leaks, heating cylinder is corroded and contaminated, it is difficult to detect oil pipe. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiency of prior art, when oil pipe leaks, heating cylinder is corroded and contaminated, it is difficult to detect oil pipe, the utility model provides a kind of heating roller for papermaking drying.

[0005] The utility model solves technical scheme that it adopts technical scheme to solve its technical problem: a kind of heating roller for papermaking drying, including support frame, the inner side of support frame is rotatably connected with heating cylinder, the side of heating cylinder is provided with cover plate, the surface of cover plate is rotatably connected with the inner wall of support frame, the side of cover plate is fixedly connected with the side of heating cylinder by bolt, the inner chamber of support frame is slidably connected with oil pipe, one end of oil pipe penetrates to the inner chamber of heating cylinder and extends to the outside of support frame, the inner wall of heating cylinder is provided with protection mechanism, the side of support frame is provided with warning mechanism.

[0006] The warning mechanism includes connecting pipe, the connecting pipe is fixedly connected with the top of oil pipe, the inner chamber of connecting pipe is slidably connected with piston, the top of piston is fixedly installed with connecting rod, the inner wall of connecting pipe is fixedly installed with clamping plate, the surface of connecting rod is provided with weak spring, one end of weak spring is fixedly installed on the bottom of clamping plate, the other end of weak spring is fixedly installed on the top of piston, the side of support frame is fixedly installed with extension plate, the bottom of extension plate is fixedly installed with touch switch, the side of support frame is fixedly installed with sound-light generator, the output end of touch switch is electrically connected with the input end of sound-light generator.

[0007] Preferably, the protection mechanism comprises a sliding groove, which is arranged on one side of the heating cylinder, the inner wall of the heating cylinder is provided with two support plates, one of the support plates is fixedly connected with the inner wall of the heating cylinder, the surface of the other support plate is slidably connected with the inner cavity of the sliding groove, the inner wall of the support plate is rotatably connected with a protection cylinder, the surface of the oil pipe penetrates into the inner cavity of the protection cylinder and extends to the outside of the protection cylinder, and the oil pipe is in a spiral shape in the inner cavity of the protection cylinder.

[0008] Preferably, one side of the cover is fixedly provided with a butt joint rod, and one side of the heating cylinder is provided with a butt joint groove, and the inner cavity of the butt joint groove is slidably connected with the surface of the butt joint rod.

[0009] Preferably, the inner wall of the sliding groove is fixedly provided with an elastic clamp, one side of the support plate is provided with a clamping groove, the inner wall of the clamping groove is fixedly provided with a fixing rod, and the surface of the fixing rod is in contact with the inner side of the elastic clamp.

[0010] Preferably, the inner wall of the support frame is rotatably connected with a ball, and the surface of the ball is in contact with the surface of the protection cylinder.

[0011] Preferably, the inner wall of the sliding groove is provided with a guide groove, the surface of the support plate is fixedly provided with a guide block, and the inner cavity of the guide groove is slidably connected with the surface of the guide block.

[0012] Preferably, the inner wall of the protection cylinder is fixedly provided with a partition plate, and the surface of the partition plate is in contact with the surface of the oil pipe.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a warning mechanism can realize to the oil pipe whether broken real -time detection, when the oil pipe appears broken, can warn the staff in time to separate the oil pipe and heating cylinder, reduce the replacement time to the oil pipe, realize the protection to the heating cylinder in the processing process, simultaneously avoid the pollution to the paper in the processing process. ACCURACY

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing used in the embodiment or prior art description briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2The utility model discloses a connecting pipe, touch switch and the structure diagram of acousto-optic generator.

[0018] Figure 3 The utility model discloses a connecting pipe's structure section view.

[0019] Figure 4 The utility model discloses a butt joint rod and butt joint groove's structure exploded view.

[0020] Figure 5 The utility model discloses a butt joint rod and butt joint groove's structure exploded view.

[0021] Figure 6 The utility model discloses a connecting pipe's structure section view.

[0022] Figure 7 The utility model discloses a connecting pipe's structure section view.

[0023] In the drawing: 1, support frame;2, heating cylinder;3, cover plate;4, oil pipe;5, warning mechanism;501, connecting pipe;502, piston;503, clamping plate;504, connecting rod;505, weak spring;506, extension plate;507, touch switch;508, acousto-optic generator;6, protection mechanism;601, sliding groove;602, support plate;603, protection cylinder;7, butt joint rod;8, butt joint groove;9, elastic clamp;10, clamping groove;11, fixed rod;12, ball;13, guide groove;14, guide block;15, partition. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0025] The following will be combined with the drawings of the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model. Figures 1-7 The application will be further described in detail,

[0026] The embodiments of the application disclose a heating roller for papermaking drying. Referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model provides a kind of heating roller for papermaking drying, including support frame 1, the inner side of support frame 1 is rotatably connected with heating cylinder 2, one side of heating cylinder 2 is provided with cover plate 3, the surface of cover plate 3 is rotatably connected with the inner wall of support frame 1, one side of cover plate 3 is fixedly connected with one side of heating cylinder 2 by bolt, the inner cavity of support frame 1 is slidably connected with oil pipe 4, one end of oil pipe 4 penetrates to the inner cavity of heating cylinder 2 and extends to the outside of support frame 1, the inner wall of heating cylinder 2 is provided with protection mechanism 6, one side of support frame 1 is provided with warning mechanism 5;

[0027] Warning mechanism 5 includes connecting pipe 501, connecting pipe 501 is fixedly connected to the top of oil pipe 4, the inner cavity of connecting pipe 501 is slidably connected with piston 502, connecting rod 504 is fixedly installed at the top of piston 502, clamping plate 503 is fixedly installed on the inner wall of connecting pipe 501, weak spring 505 is sleeved on the surface of connecting rod 504, one end of weak spring 505 is fixedly installed on the bottom of clamping plate 503, the other end of weak spring 505 is fixedly installed on the top of piston 502, extension plate 506 is fixedly installed on one side of support frame 1, touch switch 507 is fixedly installed on the bottom of extension plate 506, audible and light generator 508 is fixedly installed on one side of support frame 1, the output end of touch switch 507 is electrically connected with the input end of audible and light generator 508.

[0028] Referring to Figure 5 , Figure 6 And Figure 7 , protection mechanism 6 includes sliding groove 601, sliding groove 601 is opened in one side of heating cylinder 2, the inner wall of heating cylinder 2 is provided with support plate 602, the number of support plate 602 is two, one of support plate 602 is fixedly connected at the top with the inner wall of heating cylinder 2, the surface of another support plate 602 is slidably connected with the inner cavity of sliding groove 601, the inner wall of support plate 602 is rotatably connected with protection cylinder 603, the surface of oil pipe 4 penetrates to the inner cavity of protection cylinder 603 and extends to the outside of protection cylinder 603, oil pipe 4 is spiral in the inner cavity of protection cylinder 603, by setting protection mechanism 6, when heat oil in oil pipe 4 exchanges heat with heating cylinder 2, the heat dissipation fin can increase the heat dissipation area of oil pipe 4, so that the heating time of heating cylinder 2 is reduced, the working efficiency is increased, the oil pipe 4 is protected by protection cylinder 603, so that the oil pipe 4 is in a closed space, thereby reducing the contact between oil pipe 4 in the inner cavity of heating cylinder 2 and the inner wall of heating cylinder 2, avoiding that the leakage of oil pipe 4 pollutes or corrodes the inner wall of heating cylinder 2, increasing the service life of heating cylinder 2, when oil pipe 4 is damaged, rotate the bolt, make cover plate 3 separate from heating cylinder 2, make support frame 1 move out of the inner cavity of sliding groove 601, the protection cylinder 603 can be removed, the maintenance time is reduced;

[0029] Referring to Figure 4The side of the cover is fixedly provided with a butt joint rod 7, and the side of the heating cylinder 2 is provided with a butt joint groove 8. The inner cavity of the butt joint groove 8 is in sliding connection with the surface of the butt joint rod 7. Through the sliding connection of the butt joint rod 7 and the butt joint groove 8, the installation of the cover plate 3 can be butt jointed, the connecting holes of the cover plate 3 and the heating cylinder 2 are conveniently aligned, and the positions of the two are conveniently fixed through bolts;

[0030] With reference to Figure 5 and Figure 7 The inner wall of the sliding groove 601 is fixedly provided with an elastic clamp 9, the side of the supporting plate 602 is provided with a clamping groove 10, the inner wall of the clamping groove 10 is fixedly provided with a fixing rod 11, the surface of the fixing rod 11 is in contact with the inner side of the elastic clamp 9, through the contact of the elastic clamp 9 and the fixing rod 11, when the supporting plate 602 slides into the inner cavity of the heating cylinder 2, the elastic clamp 9 will enter the inner cavity of the clamping groove 10 and be in contact with the fixing rod 11, so as to fix the position of the supporting plate 602, and the user can conveniently move the supporting plate 602 out of the inner cavity of the heating cylinder 2;

[0031] With reference to Figure 7 The inner wall of the supporting frame 1 is rotatably connected with a ball 12, and the surface of the ball 12 is in contact with the surface of the protection cylinder 603. Through the arrangement of the ball 12, the contact area of the supporting plate 602 and the protection cylinder 603 can be reduced, and the protection cylinder 603 is further prevented from rotating with the supporting plate 602;

[0032] With reference to Figure 4 and Figure 7 The inner wall of the sliding groove 601 is provided with a guide groove 13, and the surface of the supporting plate 602 is fixedly provided with a guide block 14. The inner cavity of the guide groove 13 is in sliding connection with the surface of the guide block 14. Through the sliding connection of the guide groove 13 and the guide block 14, the movement of the supporting plate 602 can be guided, so that the supporting plate 602 moves horizontally in the inner cavity of the heating cylinder 2;

[0033] With reference to Figure 6 The inner wall of the protection cylinder 603 is fixedly provided with a partition plate 15, and the partition plate 15 is in contact with the surface of the oil pipe 4. Through the arrangement of the partition plate 15, the position of the oil pipe 4 can be fixed, so as to avoid the oil pipe 4 from scattering;

[0034] Working principle: in the process of papermaking, in the process of cutting paper, the surface of the paper needs to be dried, and the cutting effect of the paper is guaranteed, at this time, the heating assembly is connected with the oil pipe 4, the hot oil in the oil pipe 4 is exchanged with the heating cylinder 2, the heat dissipation fins can increase the heat dissipation area of the oil pipe 4, the heating time of the heating cylinder 2 is reduced, the working efficiency is increased, the heating treatment of the heating cylinder 2 is realized, the surface of the paper is contacted with the heating cylinder 2, the drying treatment of the paper is realized, in the process of using the oil pipe 4, the oil pipe 4 is protected by the protection cylinder 603, the oil pipe 4 is in a closed space, so that the oil pipe 4 in the inner cavity of the heating cylinder 2 contacts with the inner wall of the heating cylinder 2, the leakage of the oil pipe 4 is avoided to cause pollution or corrosion to the inner wall of the heating cylinder 2, the service life of the heating cylinder 2 is increased, the gear is driven to rotate by the motor, the cover plate 3 on one side of the heating cylinder 2 is slowly rotated through the meshing of the gear, then the heating cylinder 2 is slowly rotated, and the rotation connection of the support plate 602 and the protection cylinder 603 is realized, the protection cylinder 603 is avoided to rotate, when the oil pipe 4 is damaged, the cover plate 3 is separated from the heating cylinder 2 by rotating the bolt, the support frame 1 moves out of the inner cavity of the sliding groove 601, the protection cylinder 603 can be removed, the maintenance time is reduced, when the oil pipe 4 is damaged, the internal pressure of the oil pipe 4 becomes smaller, the weak spring 505 between the clamping plate 503 and the piston 502 is in a compressed state, under the reaction force of the weak spring 505, the piston 502 moves downward in the inner cavity of the connecting pipe 501, the connecting rod 504 cancels the contact with the touch switch 507, when the contact with the touch switch 507 is cancelled, the touch switch 507 controls the switch of the sound and light generator 508 to open, and the sound and light generator 508 emits sound and light to the outside, warning the staff that the oil pipe 4 is damaged, and the oil pipe 4 is replaced in time.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A heating roll for drying paper, characterized by: The utility model provides a heating device, including support frame (1), the inner side of support frame (1) is rotatably connected with heating cylinder (2), one side of heating cylinder (2) is provided with cover plate (3), the surface of cover plate (3) is rotatably connected with the inner wall of support frame (1), one side of cover plate (3) is fixedly connected with one side of heating cylinder (2) through bolt, the inner chamber of support frame (1) is slidably connected with oil pipe (4), one end of oil pipe (4) penetrates to the inner chamber of heating cylinder (2) and extends to the outside of support frame (1), the inner wall of heating cylinder (2) is provided with protection mechanism (6), one side of support frame (1) is provided with warning mechanism (5), The warning mechanism (5) includes a connecting pipe (501), the connecting pipe (501) is fixedly connected to the top of the oil pipe (4), the inner cavity of the connecting pipe (501) is slidably connected with a piston (502), the top of the piston (502) is fixedly installed with a connecting rod (504), the inner wall of the connecting pipe (501) is fixedly installed with a clamping plate (503), the surface of the connecting rod (504) is sleeved with a weak spring (505), one end of the weak spring (505) is fixedly installed on the bottom of the clamping plate (503), the other end of the weak spring (505) is fixedly installed on the top of the piston (502), one side of the support frame (1) is fixedly installed with an extension plate (506), the bottom of the extension plate (506) is fixedly installed with a touch switch (507), one side of the support frame (1) is fixedly installed with a sound and light generator (508), the output end of the touch switch (507) is electrically connected with the input end of the sound and light generator (508).

2. A heating roll for drying paper according to claim 1, characterized in that: The protection mechanism (6) includes a sliding groove (601), the sliding groove (601) is formed on one side of the heating cylinder (2), the inner wall of the heating cylinder (2) is provided with a support plate (602), the number of the support plate (602) is two, one of the support plate (602) is fixedly connected with the inner wall of the heating cylinder (2), the surface of the other support plate (602) is slidably connected with the inner cavity of the sliding groove (601), the inner wall of the support plate (602) is rotatably connected with a protection cylinder (603), the surface of the oil pipe (4) penetrates into the inner cavity of the protection cylinder (603) and extends to the outside of the protection cylinder (603), the oil pipe (4) is spiral in the inner cavity of the protection cylinder (603).

3. A heating roll for drying paper according to claim 1, characterized in that: One side of the cover is fixedly installed with a docking rod (7), one side of the heating cylinder (2) is provided with a docking groove (8), the inner cavity of the docking groove (8) is slidably connected with the surface of the docking rod (7).

4. A heating roll for drying paper according to claim 2, characterized in that: The inner wall of the sliding groove (601) is fixedly installed with an elastic clamp (9), one side of the support plate (602) is provided with a clamping groove (10), the inner wall of the clamping groove (10) is fixedly installed with a fixing rod (11), the surface of the fixing rod (11) is in contact with the inner side of the elastic clamp (9).

5. A heating roll for drying paper according to claim 2, characterized in that: The inner wall of the support frame (1) is rotatably connected with a ball (12), the surface of the ball (12) is in contact with the surface of the protection cylinder (603).

6. A heating roll for drying paper according to claim 2, characterized in that: The inner wall of the sliding groove (601) is provided with a guide groove (13), and the surface of the supporting plate (602) is fixedly provided with a guide block (14), and the inner cavity of the guide groove (13) is in sliding connection with the surface of the guide block (14).

7. A heating roll for drying paper according to claim 2, characterized in that: The inner wall of the protection cylinder (603) is fixedly provided with a partition plate (15), and the partition plate (15) is in contact with the surface of the oil pipe (4).