Calendering roller for film production
By designing the circulating heating assembly in the calendering roller for film production, uniform heating is achieved using uniform heat sleeves, hole slots, air guide strips and heating rods, the problem of internal and external temperature difference in the prior art affecting the forming quality, and the calendering efficiency and Film quality reduces equipment costs.
Patent Information
- Application Number
- CN202420151713.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-01-22
AI Technical Summary
The existing rolling rollers for film production are prone to large temperature differences between the inside and outside when used, which affects the forming quality and the heated surface is uneven, resulting in poor film quality and increasing the investment cost of the equipment.
A rolling roller for film production including a circulating heating assembly is designed. The circulating heating assembly consists of a uniform heat sleeve, a hole slot, a air guide strip and a heating rod. The heating is achieved in combination with a patch temperature sensor, and the heating rod and air guide strip are used. Achieve rapid and uniform heating, ensure circulating heating of gas inside the roller body, and reduce equipment costs.
It achieves rapid uniformity and stability of heating, improves calendering efficiency, reduces equipment investment costs, and ensures improvement of film forming quality.
Smart Images
Figure CN222309558U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of plastic film processing, in particular to a calendering roller for film production. Background Art
[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.
[0003] The calender rollers for film production currently on the market have the following problems when in use:
[0004] 1. When the existing calendering rollers for film production are generally used in the equipment, the surface temperature of the extruded plastic raw materials will change during the calendering process of the calendering rollers. If the temperature difference between the inside and outside is large, it will affect the forming quality of the film product, resulting in secondary heating, which increases the investment cost of the equipment;
[0005] 2. When using calendering roller equipment for film production, it is easy to have uneven heating surface, resulting in poor quality of calendered film. Utility Model Content
[0006] The utility model aims to provide a calendering roller for film production to solve the technical problems raised in the background technology.
[0007] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a calendering roller for film production, comprising a calendering roller, a circulating heating assembly is provided in the middle of the calendering roller, and the circulating heating assembly includes a left shaft body rotatably connected to one side of the calendering roller, a rolling sealing sleeve rotatably connected to the top of the outer periphery of the left shaft body, a heat-uniform sleeve arranged in the middle of an adjacent rolling sealing sleeve, holes and grooves arranged around the outer surface of the heat-uniform sleeve, and a plurality of air guide strips evenly spaced and distributed around the outer surface of the heat-uniform sleeve.
[0008] Preferably, the inner cavity of the heat uniforming sleeve is covered with a heating rod, and the inner cavity of the heating rod forms a hollow chamber.
[0009] Preferably, the air guide strip is installed at an inclination of forty-five degrees.
[0010] Preferably, a right shaft body is provided on the other side wall of the calendering roller away from the left shaft body, and a driving gear is provided on one side end of the right shaft body, so that the calendering roller is driven to rotate by the driving gear.
[0011] Preferably, the calendering roller includes a roller body arranged inside the calendering roller along the axial circumference, a chamber layer formed by covering the outside of the roller body, a plurality of heating elements arranged inside the chamber layer and distributed at equal intervals, and a heat-conducting layer covering the outer wall of the chamber layer.
[0012] Preferably, an oil filling hole is provided at the axial end of the chamber layer.
[0013] The calendering roller for film production of the utility model has the following advantages:
[0014] 1. The calender roller for film production is further heated by the heating rod through the uniform heat sleeve, holes, air guide strips and heating rods. When heating, it is necessary to cooperate with a patch temperature sensor, and the temperature sensor can be installed on the outer wall of the uniform heat sleeve, which can facilitate the detection of temperature. When heating, when the roller body rotates, the gas inside the roller body circulates under the action of the wind plate, and can achieve rapid heating, high stability, simple operation, and reduce the equipment investment cost.
[0015] 2. The chamber layer evenly arranged around the outside of the roller body can achieve rapid heating, uniform heating, high stability, and high efficiency during calendering. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a schematic diagram of the overall structure analysis of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the circulation heating component of the utility model;
[0019] Figure 3 This is a schematic diagram of the heating rod structure of the utility model;
[0020] Figure 4 This is a structural analysis diagram of the calendering roller of the utility model.
[0021] Markings in the figure: 1. Calendering roller; 2. Left shaft; 3. Right shaft; 4. Driving gear; 5. Rolling sealing sleeve; 6. Heat uniforming sleeve; 7. Heating rod; 8. Hollow chamber; 9. Hole groove; 10. Air guide strip; 11. Oil filling hole; 12. Chamber layer; 13. Heating element; 14. Heat conductive layer; 15. Roller body. DETAILED DESCRIPTION
[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.
[0023] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.
[0024] 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 embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0025] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0026] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.
[0027] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a calender roller for film production of the utility model in conjunction with the accompanying drawings.
[0028] like Figure 1-4 As shown, the utility model is a calendering roller for film production, including a calendering roller 1, a circulating heating component is provided in the middle of the calendering roller 1, and the circulating heating component includes a left shaft body 2 rotatably connected to one side of the calendering roller 1, a rolling sealing sleeve 5 rotatably connected to the top of the outer periphery of the left shaft body 2, a heat uniforming sleeve 6 arranged in the middle of the adjacent rolling sealing sleeve 5, holes and grooves 9 opened on the outer surface of the heat uniforming sleeve 6 and a plurality of air guide strips 10 distributed at equal intervals around the outer surface of the heat uniforming sleeve 6.
[0029] The inner cavity of the heat-uniform sleeve 6 is covered with a heating rod 7, and a hollow chamber 8 is formed in the inner cavity of the heating rod 7. Heating is achieved by using a patch-type temperature sensor, which can be installed on the outer wall of the heat-uniform sleeve, which can facilitate temperature detection.
[0030] The air guide strip 10 is installed at an angle of 45 degrees.
[0031] A right shaft body 3 is provided on the other side wall of the calendering roller 1 away from the left shaft body 2, and a driving gear 4 is provided on one side end of the right shaft body 3. The calendering roller 1 is driven by the driving gear 4 to rotate, and the driving gear 4 at the outer end drives the right shaft body 3 at one end to realize the rotation process, which will facilitate the rotation process of the calendering roller 1 as a whole.
[0032] The calendering roller 1 includes a roller body 15 arranged inside the calendering roller 1 along the axial circumference, a chamber layer 12 formed by covering the outer side of the roller body 15, a plurality of heating elements 13 arranged inside the chamber layer 12 and distributed at equal intervals, and a heat-conducting layer 14 covering the outer wall of the chamber layer 12. Heat-conducting oil is injected into the chamber layer 12, and then the internal heat-conducting oil is evenly heated by the heating elements 13. The heat is efficiently conducted by the heat-conducting layer 14, so that the surface of the calendering roller 1 always maintains a suitable temperature to ensure that the temperature difference between the inside and outside of the calendered raw material is extremely small, thereby effectively ensuring the calendering forming effect.
[0033] An oil injection hole 11 is arranged at the axial end of the chamber layer 12 , and the oil injection hole 11 can ensure that the inner end of the chamber layer 12 can be injected with material.
[0034] The working principle of the calendering roller 1 for film production is as follows: when in use, the driving gear 4 is connected to the driving motor to realize operation, the inner cavity is set through the right shaft body 3 and the left shaft body 2 to realize the installation of the calendering roller 1, and when the calendering roller 1 rotates relatively, the heat-equalizing sleeve can be kept stationary by the rolling sealing sleeve 5, and the heating rod 7 can be kept in position unchanged. When in use, heating is achieved by the heating rod 7, and the heating needs to be achieved with a patch-type temperature sensor, and the temperature sensor can be installed on the outer wall of the heat-equalizing sleeve, which can facilitate temperature detection. When heating, when the calendering roller 1 rotates, the gas inside the calendering roller 1 circulates under the action of the air guide strip 10, and can achieve rapid heating, high stability, and easy operation.
[0035] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A calendering roller for film production, comprising a calendering roller (1), characterized in that: A circulating heating assembly is provided in the middle of the calendering roller (1), and the circulating heating assembly comprises a left shaft (2) rotatably connected to one side of the calendering roller (1), a rolling sealing sleeve (5) rotatably connected to the top of the outer periphery of the left shaft (2), a heat-distributing sleeve (6) disposed in the middle of an adjacent rolling sealing sleeve (5), holes (9) arranged around the outer surface of the heat-distributing sleeve (6), and a plurality of air guide strips (10) arranged around the outer surface of the heat-distributing sleeve (6) at equal intervals.
2. The calendering roller for film production according to claim 1, characterized in that: The inner cavity of the heat-uniform sleeve (6) is covered with a heating rod (7), and the inner cavity of the heating rod (7) forms a hollow chamber (8).
3. The calendering roller for film production according to claim 1, characterized in that: The air guide strip (10) is installed at an angle of forty-five degrees.
4. The calendering roller for film production according to claim 1, characterized in that: A right shaft body (3) is provided on the other side wall of the calendering roller (1) away from the left shaft body (2), and a driving gear (4) is provided on one side end of the right shaft body (3), and the calendering roller (1) is driven to rotate by the driving gear (4).
5. The calendering roller for film production according to claim 1, characterized in that: The calendering roller (1) comprises a roller body (15) arranged inside the calendering roller (1) along an axial circumference, a chamber layer (12) formed by covering the outside of the roller body (15), a plurality of heating elements (13) arranged inside the chamber layer (12) and distributed at equal intervals, and a heat-conducting layer (14) covering the outer wall of the chamber layer (12).
6. The calendering roller for film production according to claim 5, characterized in that: An oil injection hole (11) is provided at the axial end of the chamber layer (12).