Groove mechanism of calendering device
The dovetail groove design solves the problem of uneven steel roller fixing in coating equipment, achieving higher precision and uniformity, reducing costs and space occupation, and improving production efficiency.
Patent Information
- Application Number
- CN202520097767.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-15
AI Technical Summary
In existing coating equipment, the way steel rollers and other mechanisms are fixed on the crossbeam leads to uneven center of gravity, affecting accuracy and coating thickness uniformity. At the same time, the guide rail and slider fixing method takes up space and increases procurement costs.
The dovetail groove design replaces the guide rail and slider fixing method. The steel roller is connected through the dovetail slot and dovetail protrusion in the fixing frame, which reduces the installation space and allows fine adjustment, ensuring that the roller assembly is subjected to a single force and improving accuracy and uniformity.
It reduces installation time and labor costs, improves the precision of steel rollers and the uniformity of coating thickness, and enhances the stability and flexibility of the device.
Smart Images

Figure CN223931812U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coating equipment technology, and specifically to a groove mechanism of a calendering device. Background Technology
[0002] Currently, in coating equipment, the steel rollers and other mechanisms are mostly fixed on the crossbeam using a combination of guide rails and sliders. It is difficult to ensure that the centers of gravity of different rollers fixed on the same horizontal crossbeam are at the same level, resulting in uneven force between adjacent rollers, affecting the accuracy error range of the steel rollers and the uniformity of the subsequent coating thickness. In addition, the guide rail and slider fixing method occupies some space, which leads to an increase in the diameter of the steel rollers, and the bearings cannot be reduced in size, increasing the cost of parts procurement.
[0003] Therefore, there is a need to provide a groove mechanism for a calendering apparatus to solve the above problems. Utility Model Content
[0004] To overcome the shortcomings of the prior art, this utility model provides a groove mechanism for a calendering device. The dovetail groove design replaces the guide rail and slider fixing method, which reduces the space occupied by the steel roller installation, significantly reduces the installation time of the mechanism, saves labor costs, and at the same time ensures the precision of the steel roller itself, effectively improving the uniformity of the subsequent coating thickness.
[0005] The technical solution adopted by this utility model to solve its technical problem is:
[0006] A groove mechanism for a calendering apparatus includes a fixed frame, a fixed roller assembly and two movable roller assemblies installed within the fixed frame. The two movable roller assemblies are symmetrically connected to both sides of the fixed roller assembly. The fixed frame is configured as a square frame structure, and a plurality of dovetail slots are provided on the inner wall of the fixed frame. Dovetail protrusions are provided at the upper and lower ends of the fixed roller assembly and on the left and right sides of the movable roller assemblies. The dovetail protrusions are slidably inserted into the dovetail slots.
[0007] As a further improvement to the above technical solution, the fixing frame includes a U-shaped component and a fixing beam. The fixing roller assembly and the moving roller assembly are both disposed inside the U-shaped component, and the fixing beam is detachably connected to the upper end of the U-shaped component.
[0008] As a further improvement to the above technical solution, the fixed roller assembly includes a first steel roller and a first mounting block, and the movable roller assembly includes a second steel roller and a second mounting block. A gap is provided between the second steel roller and the first steel roller, and one side of the second mounting block is slidably connected to the side end of the first mounting block.
[0009] As a further improvement to the above technical solution, the length of the second mounting block is smaller than that of the first mounting block.
[0010] As a further improvement to the above technical solution, the inner side of the U-shaped component is configured to be wider at the top and narrower at the bottom, the first mounting block is configured to be larger at the top and smaller at the bottom, and the side end of the first mounting block is configured parallel to the side wall of the U-shaped component.
[0011] As a further improvement to the above technical solution, the dovetail slot includes a horizontal slot and a first vertical slot. The bottom of the U-shaped component and the bottom end of the fixed crossbeam are both provided with the horizontal slot, and the inner wall side of the U-shaped component is provided with the first vertical slot. The dovetail protrusion includes a horizontal protrusion and a vertical protrusion. The horizontal protrusion is provided at the upper and lower ends of the first mounting block, and the vertical protrusion is provided on the left and right sides of the second mounting block. The horizontal protrusion is slidably inserted into the horizontal slot, and the vertical protrusion is slidably inserted into the first vertical slot.
[0012] As a further improvement to the above technical solution, a second vertical slot is provided on both the left and right sides of the first mounting block, and a vertical protrusion on one side of the second mounting block is slidably inserted into the second vertical slot.
[0013] As a further improvement to the above technical solution, the two ends of the fixed crossbeam are provided with inclined sections, which are inclined downward and perpendicular to the inner wall of the U-shaped component.
[0014] As a further improvement to the above technical solution, a motor lead screw is provided on the inclined section. The extended end of the motor lead screw passes through the fixed crossbeam and is connected to the moving roller assembly. The motor lead screw drives the moving roller assembly to slide up and down along the first vertical slot and the second vertical slot.
[0015] The beneficial effects of this utility model are:
[0016] This invention uses a fixed frame to install the steel rollers, and sets dovetail grooves on the inner wall of the fixed frame, replacing the guide rail and slider fixing method. This reduces the space occupied by the steel roller installation, significantly reduces the installation time of the mechanism, and saves labor costs. In addition, the installation of the steel rollers adopts a design in which the middle steel roller is fixed and the two side steel rollers can move up and down for adjustment. This ensures that each part of the roller assembly is subjected to a single force, and the inclined insertion grooves of the two side steel rollers in the three-roller structure are subjected to constant force, which can ensure the accuracy of the rollers themselves and improve the uniformity of the subsequent coating thickness. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0018] Figure 1 This is a three-dimensional structural schematic diagram of the groove mechanism of the calendering device of this utility model;
[0019] Figure 2This is a side view of the groove mechanism of the calendering apparatus of this utility model;
[0020] Figure 3 This is a cross-sectional view of the groove mechanism of the calendering apparatus of this utility model;
[0021] Figure 4 This is a structural schematic diagram of the U-shaped component of this utility model.
[0022] Reference numerals: 1. Fixed frame; 11. U-shaped piece; 12. Fixed crossbeam; 121. Inclined section; 2. Fixed roller assembly; 21. First steel roller; 22. First mounting block; 3. Moving roller assembly; 31. Second steel roller; 32. Second mounting block; 4. Dovetail slot; 41. Horizontal slot; 42. First vertical slot; 43. Second vertical slot; 5. Dovetail protrusion; 51. Horizontal protrusion; 52. Vertical protrusion; 6. Motor lead screw. Detailed Implementation
[0023] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.
[0024] Reference Figure 1 , Figure 2A groove mechanism for a rolling mill includes a fixed frame 1, a fixed roller assembly 2, and two movable roller assemblies 3. The fixed roller assembly 2 and the two movable roller assemblies 3 are installed inside the fixed frame 1, and the two movable roller assemblies 3 are symmetrically connected to both sides of the fixed roller assembly 2. The installed steel roller is subjected to a single force, ensuring that the accuracy of the steel roller itself is not affected by external forces, thus guaranteeing the accuracy of the steel roller. In addition, the fixed frame 1 is provided with a square frame structure, and the square frame structure of the fixed frame and the symmetrically arranged movable roller assemblies together enhance the stability of the device. The inner wall of the fixed frame 1 is provided with multiple dovetail slots 4, and dovetail protrusions 5 are provided at the upper and lower ends of the fixed roller assembly 2 and on the left and right sides of the movable roller assembly 3. The dovetail protrusions 5 are slidably inserted into the dovetail slots 4. This sliding connection method ensures the stable installation of the roller assembly in the fixed frame 1 and also allows the roller assembly to be finely adjusted when needed, improving the flexibility and accuracy of the device. In addition, compared with the guide rail and slider design, the space occupied by the steel roller installation is reduced, and the installation time of the mechanism can be significantly reduced, saving labor costs.
[0025] Reference Figure 3 In an embodiment of this utility model, the fixing frame 1 includes a U-shaped component 11 and a fixing beam 12. The fixing roller assembly 2 and the moving roller assembly 3 are both disposed within the U-shaped component 11. The U-shaped component 11 provides support for the fixing roller assembly 2 and the moving roller assembly 3, while the fixing beam 12 further enhances the rigidity of the entire fixing frame. The fixing beam 12 is detachably connected to the upper end of the U-shaped component 11. When it is necessary to maintain or replace the roller assembly, the fixing beam 12 can be easily removed, making it easier to view and operate the roller assembly.
[0026] Reference Figure 2 , Figure 3 In an embodiment of this utility model, the fixed roller assembly 2 includes a first steel roller 21 and a first mounting block 22, and the movable roller assembly 3 includes a second steel roller 31 and a second mounting block 32. A gap is provided between the second steel roller 31 and the first steel roller 21 to ensure that the material can be smoothly transferred during the calendering process and to ensure the production quality of the product. One side of the second mounting block 32 is slidably connected to the side end of the first mounting block 22, so that the movable roller assembly 3 can be finely adjusted relative to the fixed roller assembly 2 within a certain range, which helps to adapt to the needs of different material thicknesses and calendering processes and improves the flexibility and adaptability of the device.
[0027] Specifically, the upper and lower ends of the first mounting block 22 are fixedly connected to the fixed frame 1, while the length of the second mounting block 32 is smaller than that of the first mounting block 22, so that both the upper and lower ends of the second mounting block 32 have room to move, allowing the moving roller assembly 3 to be finely adjusted relative to the fixed roller assembly 2 within a certain range.
[0028] Specifically, the inner side of the U-shaped component 11 is configured with a structure that is wider at the top and narrower at the bottom, and the first mounting block 22 is configured with a structure that is larger at the top and smaller at the bottom. The side end of the first mounting block 22 is parallel to the side wall of the U-shaped component 11, so that the second mounting block 32 can be connected between the first mounting block 22 and the fixed frame 1. This not only facilitates the installation and disassembly of the second mounting block 32, but also helps to enhance the stability of the structure, so as to ensure the stability and accuracy of the moving roller assembly 3 in the calendering process.
[0029] Reference Figure 2 In an embodiment of this utility model, the dovetail slot 4 includes a horizontal slot 41 and a first vertical slot 42. The bottom of the U-shaped member 11 and the bottom end of the fixed crossbeam 12 are both provided with the horizontal slot 41. The inner wall side of the U-shaped member 11 is provided with the first vertical slot 42. The dovetail protrusion 5 includes a horizontal protrusion 51 and a vertical protrusion 52. The horizontal protrusion 51 is located at the upper and lower ends of the first mounting block 22, and the vertical protrusion 52 is located on the left and right sides of the second mounting block 32. The horizontal protrusion 51 is slidably inserted into the horizontal slot 41, thereby fixing and limiting the upper and lower ends of the fixed roller assembly 2 with the fixed member 1. The vertical protrusion 52 is slidably inserted into the first vertical slot 42, so that one side of the moving roller assembly 3 is slidably connected to the fixed frame 1. The first mounting block 22 is provided with second vertical slots 43 on both the left and right sides. The vertical protrusion 52 on one side of the second mounting block 32 is slidably inserted into the second vertical slot 43, so that the other side of the moving roller assembly 3 is slidably connected to the fixed roller assembly 2. This allows the moving roller assembly 3 to move up and down relative to the fixed roller assembly 2. This design makes each part of the roller mechanism bear a single force, and at the same time, the inclined insertion grooves of the two fixed roller mechanisms in the three-roller structure bear a constant force, which can ensure the accuracy of the roller itself and improve the uniformity of the subsequent coating thickness.
[0030] Reference Figure 3 , Figure 4In this embodiment of the present invention, since the inner mounting groove of the U-shaped part 11 is designed to be wider at the top and narrower at the bottom, and the outer side of the first mounting block 22 is designed to be larger at the top and smaller at the bottom, inclined sections 121 are provided at both ends of the fixed crossbeam 12. The inclined sections 121 are inclined downward and perpendicular to the inner wall of the U-shaped part 11, so that the second mounting block 32 can be inserted between the first mounting block 22 and the U-shaped part 11. At the same time, a motor screw 6 is provided on the inclined section 121, so that the motor screw 6 and the center of the second mounting block 32 are on the same straight line. The extended end of the motor screw 6 passes through the fixed crossbeam 12 and connects to the moving roller assembly 3. The motor screw 6 drives the moving roller assembly 3 to slide up and down along the first vertical slot 42 and the second vertical slot 43, so as to realize the fine adjustment of the position of the moving roller assembly 3 by the motor screw 6, which can ensure the uniform tension of the film during the calendering process, thereby improving the quality of the product and the production efficiency.
[0031] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.
Claims
1. A groove mechanism for a calendering apparatus, characterized in that: The device includes a fixed frame (1), a fixed roller assembly (2) installed in the fixed frame (1), and two movable roller assemblies (3). The two movable roller assemblies (3) are symmetrically connected to both sides of the fixed roller assembly (2). The fixed frame (1) is configured as a square frame structure, and multiple dovetail slots (4) are provided on the inner wall of the fixed frame (1). Dovetail protrusions (5) are provided at the upper and lower ends of the fixed roller assembly (2) and on the left and right sides of the movable roller assembly (3). The dovetail protrusions (5) are slidably inserted into the dovetail slots (4).
2. The groove mechanism of a calendering apparatus according to claim 1, characterized in that: The fixed frame (1) includes a U-shaped part (11) and a fixed crossbeam (12). The fixed roller assembly (2) and the movable roller assembly (3) are both disposed inside the U-shaped part (11). The fixed crossbeam (12) is detachably connected to the upper end of the U-shaped part (11).
3. The groove mechanism of a calendering apparatus according to claim 2, characterized in that: The fixed roller assembly (2) includes a first steel roller (21) and a first mounting block (22), and the movable roller assembly (3) includes a second steel roller (31) and a second mounting block (32). A gap is provided between the second steel roller (31) and the first steel roller (21), and one side of the second mounting block (32) is slidably connected to the side end of the first mounting block (22).
4. The groove mechanism of a calendering apparatus according to claim 3, characterized in that: The length of the second mounting block (32) is smaller than that of the first mounting block (22).
5. The groove mechanism of a calendering apparatus according to claim 4, characterized in that: The inner side of the U-shaped component (11) is configured to be wider at the top and narrower at the bottom, and the first mounting block (22) is configured to be larger at the top and smaller at the bottom, and the side end of the first mounting block (22) is parallel to the side wall of the U-shaped component (11).
6. The groove mechanism of a calendering apparatus according to claim 5, characterized in that: The dovetail slot (4) includes a horizontal slot (41) and a first vertical slot (42). The bottom of the U-shaped part (11) and the bottom end of the fixed crossbeam (12) are provided with the horizontal slot (41). The inner wall side of the U-shaped part (11) is provided with the first vertical slot (42). The dovetail protrusion (5) includes a horizontal protrusion (51) and a vertical protrusion (52). The horizontal protrusion (51) is provided at the upper and lower ends of the first mounting block (22). The vertical protrusion (52) is provided on the left and right sides of the second mounting block (32). The horizontal protrusion (51) is slidably inserted into the horizontal slot (41), and the vertical protrusion (52) is slidably inserted into the first vertical slot (42).
7. The groove mechanism of a calendering apparatus according to claim 6, characterized in that: The first mounting block (22) has a second vertical slot (43) on both the left and right sides, and the vertical protrusion (52) on one side of the second mounting block (32) is slidably inserted into the second vertical slot (43).
8. The groove mechanism of a calendering apparatus according to claim 6, characterized in that: The fixed crossbeam (12) has inclined sections (121) at both ends. The inclined sections (121) are inclined downward and perpendicular to the inner wall of the U-shaped member (11).
9. The groove mechanism of a calendering apparatus according to claim 8, characterized in that: A motor lead screw (6) is provided on the inclined section (121). The extended end of the motor lead screw (6) passes through the fixed crossbeam (12) and is connected to the moving roller assembly (3). The motor lead screw (6) drives the moving roller assembly (3) to slide up and down along the first vertical slot (42) and the second vertical slot (43).