Coating mechanism of composite coating machine
By adding a second guide roller, a second movable press roller and a second synchronous oil cylinder to the coating machine and improving the first movable press roller, the coating machine can handle both a single plastic film and two plastic films, solving the wrinkle problem when applying the two films, improving production efficiency and product quality.
Patent Information
- Application Number
- CN202420586432.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-25
AI Technical Summary
When existing coating machines process two plastic films, they can easily cause large-area folds on the surface of the upper plastic film, affecting the beauty and product quality.
A coating mechanism of a composite coating machine is designed. By adding a second guide roller, a second movable press roller and a second synchronous oil cylinder, and improving the first movable press roller so that it can be adjusted up and down, while allowing the fixed press roller to rotate forward and reverse, thereby realizing the function of not only applying a single plastic film, but also rolling the two plastic films.
It effectively avoids the wrinkle problem when applying two plastic films, improves production efficiency and product quality, saves materials, and reduces production costs.
Smart Images
Figure CN222568196U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of coating machines, and in particular relates to a coating mechanism of a composite coating machine. Background Art
[0002] Coating machines are mainly used for surface coating production of plastic films, paper, etc. They can apply a layer of glue, paint or ink with specific functions on the surface of the rolled substrate and then rewind it after drying.
[0003] The existing coating machine can only roll-coat a single plastic film or two plastic films. If the coating machine that can coat a single plastic film is directly used to process two plastic films, large wrinkles will be generated on the surface of the upper plastic film, which not only affects the appearance, but also reduces the product quality, wastes materials, and increases production costs. Therefore, the inventor considers whether the existing coating machine can be modified so that it can coat a single plastic film or two plastic films and avoid the generation of wrinkles.
[0004] Therefore, there is an urgent need for a coating mechanism of a composite coating machine to solve the above problems. Utility Model Content
[0005] In view of the above-mentioned defects in the prior art, the utility model provides a coating mechanism of a composite coating machine, comprising a frame, a first movable pressure roller, a second movable pressure roller, and a fixed pressure roller, a winding roller, a first guide roller and a second guide roller rotatably connected to the frame, the fixed pressure roller is located in the middle of the frame, the first movable pressure roller is located above the fixed pressure roller, the left and right ends of the first movable pressure roller are provided with a first driving device, and the two first driving devices are used to drive the first movable pressure roller to move up and down, the second movable pressure roller is arranged at the front side of the fixed pressure roller, and the height of the second movable pressure roller is lower than the height of the fixed pressure roller, the left and right ends of the second movable pressure roller are provided with a second driving device, and the two second driving devices are used to drive the second movable pressure roller to move forward and backward, the winding roller is arranged at the rear side of the fixed pressure roller, the first guide roller is arranged above the first movable pressure roller and located at the front side of the first movable pressure roller, and the second guide roller is arranged above the second movable pressure roller and located at the front side of the second movable pressure roller.
[0006] Optionally, the two first driving devices both use a first synchronous oil cylinder, the two first synchronous oil cylinders are both fixedly arranged above the first movable pressure roller, and the piston rods of the first synchronous oil cylinders are rotatably connected to the roller shaft of the first movable pressure roller.
[0007] Optionally, the two second driving devices both use a second synchronous oil cylinder, the two second synchronous oil cylinders are both fixedly arranged on the front side of the second movable pressure roller, and the piston rods of the second synchronous oil cylinders are rotationally connected to the roller shaft of the second movable pressure roller.
[0008] Optionally, the roller shaft of the fixed pressure roller is transmission-connected with a forward and reverse rotating motor.
[0009] Optionally, the roller shaft of the winding roller is transmission-connected with a winding motor.
[0010] Optionally, the height of the first guide roller is higher than that of the second guide roller, and the second guide roller is located at the front side of the first guide roller.
[0011] The utility model also includes other components that enable the coating mechanism of a composite coating machine to be used normally, which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the field, such as the first synchronous oil cylinder, the second synchronous oil cylinder, the forward and reverse motors and the winding motor.
[0012] The working principle of the utility model is that when it is necessary to coat a single plastic film, the two second synchronous oil cylinders can be controlled to simultaneously retract the piston rods to drive the second movable pressure roller to move forward and away from the fixed pressure roller, and then the two first synchronous oil cylinders can be controlled to simultaneously stretch the piston rods to drive the first movable pressure roller to move downward and close to the fixed pressure roller, and then the plastic film A is passed around the first guide roller in turn and through the gap between the first movable pressure roller and the fixed pressure roller, and the forward and reverse motors and the winding motor are started, and the forward and reverse motors drive the fixed pressure roller to rotate clockwise and drive the plastic film A to move backward, and the plastic film A coated by roller pressing is wound on the winding roller; when it is necessary to coat two plastic films When the plastic film B is moved around the first guide roller, the plastic film C is moved around the second guide roller, and the plastic film B and the plastic film C are passed through the gap between the second movable roller and the fixed roller at the same time. The forward and reverse motors and the winding motor are started. The forward and reverse motors drive the fixed roller to rotate counterclockwise and drive the plastic films B and C to move backward. The plastic films B and C are rolled together and rolled up on the winding roller after coating.
[0013] The beneficial effect of the utility model is that, by improving the coating mechanism of the existing coating machine, a second guide roller, a second movable pressure roller, and a second synchronous cylinder are additionally provided on the basis of the original coating machine which can only process a single plastic film, and the first movable pressure roller is improved so that it can be adjusted up and down, and the fixed pressure roller can be rotated forward and reversely, so that the whole equipment becomes a composite coating machine which can coat a single plastic film, can roll-coat two plastic films, and can avoid the generation of wrinkles, thereby improving production efficiency, improving product quality, saving materials, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 It is a schematic diagram of the coating mechanism of the composite coating machine in the embodiment when coating a single plastic film.
[0017] Figure 3 It is a schematic diagram of the coating mechanism of the composite coating machine in the embodiment when coating two plastic films.
[0018] In the figure: 1. frame, 2. first movable pressure roller, 3. second movable pressure roller, 4. fixed pressure roller, 5. winding roller, 6. first guide roller, 7. second guide roller, 8. forward and reverse motor, 9. first synchronous cylinder, 10. second synchronous cylinder, 11. winding motor, 12. plastic film A, 13. plastic film B, 14. plastic film C. DETAILED DESCRIPTION
[0019] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.
[0020] Example
[0021] like Figure 1-3As shown, the embodiment of the utility model provides a coating mechanism of a composite coating machine, including a frame 1, a first movable pressure roller 2, a second movable pressure roller 3, and a fixed pressure roller 4, a winding roller 5, a first guide roller 6 and a second guide roller 7 rotatably connected to the frame 1, the fixed pressure roller 4 is located in the middle of the frame 1, and the roller shaft of the fixed pressure roller 4 is connected to a forward and reverse motor 8, the first movable pressure roller 2 is located above the fixed pressure roller 4, and the left and right ends of the first movable pressure roller 2 are both provided with first synchronous cylinders 9, the two first synchronous cylinders 9 are both fixedly arranged above the first movable pressure roller 2, and the piston rod of the first synchronous cylinder 9 is rotatably connected to the roller shaft of the first movable pressure roller 2, the two first synchronous cylinders 9 are used to drive the first movable pressure roller 2 to move up and down, and the second movable pressure roller The roller 3 is arranged on the front side of the fixed pressure roller 4, and the height of the second movable pressure roller 3 is lower than that of the fixed pressure roller 4. Second synchronous cylinders 10 are arranged on the left and right ends of the second movable pressure roller 3. The two second synchronous cylinders 10 are fixedly arranged on the front side of the second movable pressure roller 3, and the piston rods of the second synchronous cylinders 10 are rotatably connected to the roller shaft of the second movable pressure roller 3. The two second synchronous cylinders 10 are used to drive the second movable pressure roller 3 to move forward and backward. The winding roller 5 is arranged on the rear side of the fixed pressure roller 4, and the roller shaft of the winding roller 5 is transmission-connected to the winding motor 11. The first guide roller 6 is arranged above the first movable pressure roller 2 and is located at the front side of the first movable pressure roller 2. The second guide roller 7 is arranged above the second movable pressure roller 3 and is located at the front side of the second movable pressure roller 3.
[0022] In addition, the height of the first guide roller 6 is higher than that of the second guide roller 7 , and the second guide roller 7 is located at the front side of the first guide roller 6 .
[0023] The working principle of the utility model is that when it is necessary to coat a single plastic film, the two second synchronous oil cylinders 10 can be controlled to retract the piston rod at the same time, drive the second movable pressure roller 3 to move forward, and make it away from the fixed pressure roller 4, and then control the two first synchronous oil cylinders 9 to stretch the piston rod at the same time, drive the first movable pressure roller 2 to move down, and make it close to the fixed pressure roller 4, and then the plastic film A12 is passed around the first guide roller 6 in turn, and passes through the gap between the first movable pressure roller 2 and the fixed pressure roller 4, and the forward and reverse motor 8 and the winding motor 11 are started. The forward and reverse motor 8 drives the fixed pressure roller 4 to rotate clockwise and drives the plastic film A12 to move backward, and the plastic film A12 that has been rolled and coated is wound on the winding roller 5; when two plastic films need to be coated, the two first synchronous oil cylinders 9 can be controlled to retract the piston rod at the same time, and the first movable pressure roller 2 is driven to move downward, and the plastic film A12 that has been rolled and coated is wound on the winding roller 5. The two first synchronous cylinders 9 are controlled to retract the piston rods at the same time, driving the first movable pressure roller 2 to move upward and away from the fixed pressure roller 4, and then the two second synchronous cylinders 10 are controlled to stretch the piston rods at the same time, driving the second movable pressure roller 3 to approach the fixed pressure roller 4, and then the plastic film B13 is bypassed by the first guide roller 6, and the plastic film C14 is bypassed by the second guide roller 7, and the plastic films B13 and C14 are passed through the gap between the second movable pressure roller 3 and the fixed pressure roller 4 at the same time, and the forward and reverse motors 8 and the winding motor 11 are started. The forward and reverse motors 8 drive the fixed pressure roller 4 to rotate counterclockwise and drive the plastic films B13 and C14 to move backward, and the plastic films B13 and C14 are rolled together and rolled up on the winding roller 5 after coating.
[0024] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A coating mechanism of a composite coating machine, comprising a frame, a first movable pressure roller, a second movable pressure roller, a fixed pressure roller rotatably connected to the frame, a winding roller, a first guide roller and a second guide roller, characterized in that: The fixed pressure roller is located in the middle of the frame, the first movable pressure roller is located above the fixed pressure roller, the left and right ends of the first movable pressure roller are provided with first driving devices, and the two first driving devices are used to drive the first movable pressure roller to move up and down, the second movable pressure roller is arranged at the front side of the fixed pressure roller, and the height of the second movable pressure roller is lower than that of the fixed pressure roller, the left and right ends of the second movable pressure roller are provided with second driving devices, and the two second driving devices are used to drive the second movable pressure roller to move forward and backward, the winding roller is arranged at the rear side of the fixed pressure roller, the first guide roller is arranged above the first movable pressure roller and located at the front side of the first movable pressure roller, and the second guide roller is arranged above the second movable pressure roller and located at the front side of the second movable pressure roller.
2. The coating mechanism of the composite coating machine according to claim 1, characterized in that: The two first driving devices both adopt the first synchronous oil cylinder, the two first synchronous oil cylinders are both fixedly arranged above the first movable pressure roller, and the piston rods of the first synchronous oil cylinders are rotatably connected to the roller shaft of the first movable pressure roller.
3. The coating mechanism of the composite coating machine according to claim 2, characterized in that: The two second driving devices both adopt second synchronous oil cylinders, which are both fixedly arranged on the front side of the second movable pressure roller, and the piston rods of the second synchronous oil cylinders are rotationally connected to the roller shaft of the second movable pressure roller.
4. The coating mechanism of the composite coating machine according to claim 1, characterized in that: The roller shaft transmission of the fixed pressure roller is connected with a forward and reverse motor.
5. The coating mechanism of the composite coating machine according to claim 1, characterized in that: The roller shaft of the winding roller is connected with a winding motor.
6. The coating mechanism of the composite coating machine according to claim 1, characterized in that: The height of the first guide roller is higher than that of the second guide roller, and the second guide roller is located at the front side of the first guide roller.