Heating rod structure of heating roller of heat transfer printing machine

Abstract

The utility model relates to the technical field of heat transfer printing machines, in particular to a heating rod structure of a heating roller of a heat transfer printing machine. According to the technical scheme, a first heating structure and a second heating structure are arranged in a barrel, the second heating structure comprises a heating hollow column installed in the barrel, an inner heating part is arranged in the heating hollow column, an outer heating part is arranged outside the second heating structure, the first heating structure is arranged in the outer heating part, and the second heating structure is arranged in the outer heating part. The first heating structure comprises a mounting seat, a cover plate is mounted at the mounting seat, a plurality of first heating rods are mounted on the cover plate, the second heating structure further comprises a hollow cover cap, and a second heating rod is mounted on the hollow cover cap. According to the scheme, the interior of the barrel is divided into the inner heating part and the outer heating part, the outer heating part directly heats the barrel, the inner heating part can supplement heat for the barrel, and therefore the heat insulation phenomenon cannot occur, and the heating effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat transfer machines, in particular to a heating rod structure of a heating roller of a heat transfer machine. Background Art

[0002] Multiple heating rods are evenly arranged inside the roller, and the heat transfer oil in the roller is heated by the multiple heating rods, and the heat of the heating rod is evenly transferred to the outer wall of the roller through the heat transfer oil. However, the existing heating roller has only one heating part, and often there will be a phenomenon of heat failure during use. Heat failure refers to the continuous interruption of heating, resulting in a decrease in heat every now and then, which will lead to a decrease in printing quality. In addition, the heating rod is usually fixed inside the roller. When the heating rod is damaged, it needs to be replaced in time, and the existing replacement method is relatively cumbersome. Utility Model Content

[0003] The utility model aims to solve the problems existing in the background technology and proposes a heating rod structure for a heating roller of a thermal transfer machine.

[0004] The technical solution of the utility model: a heating rod structure of a heating roller of a thermal transfer machine, comprising a cylinder body, wherein a first heating structure and a second heating structure are arranged in the cylinder body, the second heating structure comprises a heating hollow column installed in the cylinder body, the inside of the heating hollow column is an internal heating part, the outside of the second heating structure is an external heating part, the first heating structure is arranged in the external heating part, the first heating structure comprises a mounting seat, a cover plate is installed at the mounting seat, a plurality of first heating rods are installed on the cover plate, the second heating structure also comprises a hollow cap, and the hollow cap is installed with a second heating rod.

[0005] Preferably, the cover plate is installed with a sealing gasket, a sealing groove is provided in the mounting seat, the sealing gasket is provided with a screw hole penetrating the cover plate, the mounting seat is also provided with a screw hole, and a bolt is threadedly installed between the two screw holes.

[0006] Preferably, the second heating structure comprises a connecting column on which the hollow cap is fixedly mounted, a main thread is provided inside the heating hollow column, and a matching thread which matches the main thread is provided outside the connecting column.

[0007] Preferably, a plurality of stabilizing sleeves are installed in the inner heating part and the outer heating part, and the first heating rod and the second heating rod are both inserted in the stabilizing sleeves.

[0008] Preferably, a shell is installed outside the cover plate, and junction boxes are installed in the shell and the hollow cap, the first heating rod is electrically connected to the junction box in the shell, and the second heating rod is electrically connected to the junction box in the hollow cap.

[0009] Compared with the existing technology, the beneficial effects of the utility model are:

[0010] This solution divides the cylinder into two inner and outer heating parts. The outer heating part directly heats the cylinder, while the inner heating part can supplement heat for it, so that the heat breakage phenomenon will not occur and the heating effect is improved.

[0011] By inserting the first heating structure and threading the second heating structure, the steps of installation and disassembly are simplified, making the operation more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a heating rod of a heating roller of a thermal transfer machine proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the disassembled structure of a heating rod structure of a heating roller of a thermal transfer machine proposed by the utility model;

[0014] Figure 3 The utility model is a schematic cross-sectional structure diagram of a heating rod structure of a heating roller of a thermal transfer machine.

[0015] Figure numerals: 1. cylinder; 2. first heating structure; 3. second heating structure; 4. stabilizing sleeve; 5. outer shell; 21. mounting seat; 22. cover plate; 23. first heating rod; 24. sealing gasket; 25. sealing groove; 26. bolt; 27. screw hole; 31. heating hollow column; 32. hollow cover cap; 33. connecting column; 34. second heating rod; 35. main thread; 36. mating thread. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0017] Refer to the attached Figure 1-3, a heating rod structure of a heating roller of a thermal transfer machine comprises a cylinder 1, wherein a first heating structure 2 and a second heating structure 3 are arranged in the cylinder 1, the second heating structure 3 comprises a heating hollow column 31 installed in the cylinder 1, the heating hollow column 31 is an inner heating part, and the second heating structure 3 is an outer heating part. The first heating structure 2 is arranged in the outer heating part, the first heating structure 2 comprises a mounting seat 21, a cover plate 22 is mounted at the mounting seat 21, a plurality of first heating rods 23 are mounted on the cover plate 22, the second heating structure 3 also comprises a hollow cap 32, and a second heating rod 34 is mounted on the hollow cap 32. By dividing the cylinder 1 into an inner and outer heating parts, the outer heating part directly heats the cylinder 1, and the inner heating part can supplement heat for it, so that there will be no heat break phenomenon, and the heating effect is improved. During specific operation, heat transfer oil is respectively injected into the inner and outer heating parts, and then the first heating rod 23 and the second heating rod 34 are started to heat the heat transfer oil. Example

[0018] See attached Figure 2 and 3 Based on the first embodiment, the cover plate 22 is installed with a sealing gasket 24, the mounting seat 21 is provided with a sealing groove 25, the sealing gasket 24 is provided with a screw hole 27 penetrating the cover plate 22, the mounting seat 21 is also provided with a screw hole 27, and a bolt 26 is threadedly installed between the two screw holes 27. Through this arrangement, when installing the first heating structure 2, it is only necessary to insert the first heating rod 23 into the external heating part, and then insert the sealing gasket 24 into the sealing groove 25. The sealing is achieved by inserting the sealing gasket 24 into the sealing groove 25, and then the bolt 26 is threadedly installed on the sealing gasket 24 and the installation It is fixed in the screw hole 27 on the seat 21, and when disassembling, it is only necessary to remove the screw hole 27 and then pull the sealing gasket 24 out of the sealing groove 25, thereby realizing convenient and quick installation of the first heating rod 23. The second heating structure 3 includes a connecting column 33 fixedly installed with a hollow cap 32, and a main thread 35 is provided inside the heating hollow column 31, and a matching thread 36 adapted to the main thread 35 is provided outside the connecting column 33. When the second heating structure 3 needs to be installed and disassembled, it is only necessary to thread the connecting column 33 into the heating hollow column 31 so that the main thread 35 and the matching thread 36 are engaged, which is convenient and quick. Example

[0019] Based on the above-mentioned embodiment one or two, multiple stabilizing sleeves 4 are installed in the inner heating part and the outer heating part, the first heating rod 23 and the second heating rod 34 are both inserted in the stabilizing sleeve 4, the stabilizing sleeve 4 plays a role in supporting the first heating rod 23 and the second heating rod 34, and plays a role in guiding during insertion, an outer shell 5 is installed outside the cover plate 22, and junction boxes are installed in the outer shell 5 and the hollow cap 32, the first heating rod 23 and the junction box in the outer shell 5 are electrically connected, and the second heating rod 34 and the junction box in the hollow cap 32 are electrically connected.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heating rod structure for a heating roller of a thermal transfer machine, comprising a cylinder (1), characterized in that: The barrel (1) is provided with a first heating structure (2) and a second heating structure (3); the second heating structure (3) comprises a heating hollow column (31) installed in the barrel (1); the interior of the heating hollow column (31) is an internal heating portion, the exterior of the second heating structure (3) is an external heating portion, the first heating structure (2) is arranged in the external heating portion, the first heating structure (2) comprises a mounting seat (21), a cover plate (22) is installed on the mounting seat (21), a plurality of first heating rods (23) are installed on the cover plate (22), and the second heating structure (3) further comprises a hollow cover cap (32), and a second heating rod (34) is installed on the hollow cover cap (32).

2. The heating rod structure of the heating roller of a thermal transfer machine according to claim 1, characterized in that: The cover plate (22) is installed with a sealing gasket (24), the mounting seat (21) is provided with a sealing groove (25), the sealing gasket (24) is provided with a screw hole (27) penetrating the cover plate (22), the mounting seat (21) is also provided with a screw hole (27), and a bolt (26) is threadedly installed between the two screw holes (27).

3. The heating rod structure of the heating roller of a thermal transfer machine according to claim 1, characterized in that: The second heating structure (3) comprises a connecting column (33) fixedly mounted on the hollow cap (32), the heating hollow column (31) being provided with a main thread (35) inside, and the connecting column (33) being provided with a matching thread (36) adapted to the main thread (35) outside.

4. The heating rod structure of the heating roller of a thermal transfer machine according to claim 1, characterized in that: A plurality of stabilizing sleeves (4) are installed in both the inner heating portion and the outer heating portion, and the first heating rod (23) and the second heating rod (34) are both inserted into the stabilizing sleeves (4).

5. The heating rod structure of the heating roller of a thermal transfer machine according to claim 1, characterized in that: A shell (5) is installed outside the cover plate (22); junction boxes are installed inside the shell (5) and the hollow cover cap (32); the first heating rod (23) is electrically connected to the junction box inside the shell (5); and the second heating rod (34) is electrically connected to the junction box inside the hollow cover cap (32).

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