Anti-tearing paperboard film laminating machine
By introducing pressure sensors and regulating cylinders into the cardboard laminating machine, the tearing problem caused by inaccurate lifting of the laminating rollers was solved, enabling precise control of the laminating stretch and convenient equipment maintenance.
Patent Information
- Application Number
- CN202422940913.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-30
AI Technical Summary
Existing cardboard laminating machines lack tensile force measuring components, resulting in inaccurate lifting and lowering of the laminating rollers and increasing the risk of lamination tearing.
A pressure sensor and an adjusting cylinder are used in conjunction with a telescopic component to control the raising and lowering of the laminating roller by detecting the tensile force of the laminating film, thus avoiding excessive tension in the laminating film.
It achieves precise control over the stretching of the coating, effectively preventing coating tearing and facilitating equipment maintenance.
Smart Images

Figure CN223618246U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard processing equipment technology, and in particular to a tear-resistant cardboard laminating machine. Background Technology
[0002] The existing Chinese patent application number 202222815555.4 discloses a tear-resistant cardboard laminating machine, including a base, a laminating box, and a fixing frame. The laminating box is fixedly connected to the upper middle position of the base. A first lifting frame is slidably connected to the upper inside of the laminating box. A sliding block is slidably connected to the inner side wall of the first lifting frame. A laminating roller is rotatably connected to the inner side of the sliding block. Support conveyor rollers are rotatably connected to the left and right sides inside the base. Fixing frames are fixedly connected to the left and right sides of the upper end of the base. A second lifting frame is slidably connected to the inner side of the fixing frame. A lifting pressure roller is rotatably connected to the inner side of the second lifting frame.
[0003] In use, the aforementioned technology, through the cooperation of various components, enables the motor to drive the laminating roller to move up and down via the threaded rod, thereby adapting to changes in tension during lamination and to some extent avoiding tearing caused by excessive stretching of the laminating film. However, in actual use, because the solution does not include a corresponding tensile force measuring component, the stretching changes of the laminating film cannot be easily and accurately transmitted, which in turn affects the accuracy of the up and down movement of the laminating roller, ultimately resulting in a significant risk of tearing during lamination. Therefore, to address the aforementioned technical shortcomings, we propose a tear-resistant cardboard laminating machine. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a tear-resistant cardboard laminating machine.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A tear-resistant cardboard laminating machine includes a main body for laminating cardboard. A mounting frame is located in the middle of the upper surface of the base inside the main body. Piston cylinders are mounted at both ends of the top of the inner surface of the mounting frame. A matching piston rod is located inside each piston cylinder. The lower end of the piston rod extends below the piston cylinder and is connected to a laminating roller. A connecting pipe is connected to the upper end of each piston cylinder. An adjusting cylinder is connected to the end of the connecting pipe away from the piston cylinder. A telescopic component is located at the upper end of the adjusting cylinder. The output end of the telescopic component extends into the interior of the adjusting cylinder and is connected to a sealing plug. A pressure sensor is connected to one side of the lower end of the adjusting cylinder.
[0007] Preferably, a sealing cap is installed at the upper end of the adjusting cylinder by screws, and a telescopic component is installed on the upper surface of the sealing cap.
[0008] Preferably, a vent hole is provided on one side of the sealing cover, and a dust filter plug is provided inside the vent hole.
[0009] Preferably, the upper surface of the base of the main body of the equipment is provided with a mounting protrusion corresponding to the mounting bracket, and the mounting protrusion is connected to the mounting bracket by bolts.
[0010] Preferably, the upper side of the mounting bracket is provided with an insertion hole, the upper end of the piston cylinder is provided with a threaded hole corresponding to the insertion hole, and the outer ring of the piston cylinder is provided with a limiting ring corresponding to the insertion hole.
[0011] Preferably, a linkage plate is mounted on the lower end of the piston rod, and the film coating roller is mounted on the lower surface of the linkage plate.
[0012] Preferably, a reinforcing plate is installed between the piston cylinders, and the interior of the reinforcing plate is hollow.
[0013] The tear-resistant cardboard laminating machine proposed in this utility model has the following advantages:
[0014] 1. When the laminating device proposed in this utility model is used to laminate cardboard, if the laminating film is overstretched, i.e., taut, the taut film pushes the piston rod to move into the piston cylinder, thereby causing the gas inside the regulating cylinder to compress and increase in pressure. Then, under the action of the pressure sensor, the output end of the telescopic component can be easily controlled to move upward according to the pressure value of the pressure sensor, thereby reducing the pressure inside the regulating cylinder, so that the piston rod can retract smoothly into the piston cylinder, thus avoiding the phenomenon of tearing due to excessive tension of the laminating film. Therefore, compared with the traditional solution, this solution can more accurately and conveniently control the degree of stretching during lamination through the setting of pressure sensor, regulating cylinder and telescopic component, effectively avoiding the phenomenon of laminating film tearing. At the same time, since the mounting frame in this solution can be disassembled, it is also convenient for personnel to perform convenient maintenance on each component.
[0015] 2. The vent hole in this invention facilitates the intake and exhaust of air on the upper side of the sealing plug as it moves up and down, preventing air from clogging the regulating cylinder and interfering with its normal operation. The dust filter plug reduces the direct entry of dust from the outside air into the regulating cylinder. The protruding mounting allows for detachable assembly between the mounting bracket and the base of the main body, facilitating convenient maintenance of the mounting bracket and its mounted components. The combination of the limiting ring and the threaded hole allows for detachable assembly between the piston cylinder and the mounting bracket, with the piston cylinder connected to the mounting bracket by screws, facilitating subsequent maintenance of the piston cylinder. Attached Figure Description
[0016] Figure 1 This is an isometric schematic diagram of a tear-resistant cardboard laminating machine proposed in this utility model;
[0017] Figure 2 This is a schematic diagram of the structure of a tear-resistant cardboard laminating machine proposed in this utility model;
[0018] Figure 3 This is a schematic diagram of the inside of the adjusting cylinder of a tear-resistant cardboard laminating machine according to the present invention;
[0019] Figure 4 This is a schematic diagram of the inside of the piston cylinder of a tear-resistant cardboard laminating machine proposed in this utility model.
[0020] In the diagram: 1. Main body of the equipment; 2. Mounting frame; 3. Piston cylinder; 4. Piston rod; 5. Coating roller; 6. Connecting pipe; 7. Adjusting cylinder; 8. Telescopic component; 9. Sealing plug; 10. Pressure sensor; 11. Sealing cover; 12. Dust filter plug; 13. Linkage plate; 14. Reinforcing plate. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Example 1
[0023] Reference Figure 1-4 A tear-resistant cardboard laminating machine includes a main body 1 for laminating cardboard. A mounting frame 2 is provided in the middle of the upper surface of the base inside the main body 1. Piston cylinders 3 are installed at both ends of the top of the inner surface of the mounting frame 2. A piston rod 4 is provided inside the piston cylinder 3. The lower end of the piston rod 4 extends to the bottom of the piston cylinder 3 and is provided with a laminating roller 5. The upper end of the piston cylinder 3 is connected to a connecting pipe 6. The end of the connecting pipe 6 away from the piston cylinder 3 is connected to an adjusting cylinder 7. The upper end of the adjusting cylinder 7 is provided with a telescopic component 8. The output end of the telescopic component 8 extends into the interior of the adjusting cylinder 7 and is connected to a sealing plug 9. A pressure sensor 10 is connected to one side of the lower end of the adjusting cylinder 7.
[0024] Example 2
[0025] Reference Figure 1-4 While all other parts are the same as in Example 1, the difference between this example and Example 1 is that:
[0026] A sealing cover 11 is installed on the upper end of the regulating cylinder 7 by screws. The telescopic component 8 is installed on the upper surface of the sealing cover 11. The sealing cover 11 facilitates the sealing and opening of the inside of the regulating cylinder 7, thereby facilitating the maintenance of the sealing plug 9 inside the regulating cylinder 7. A vent hole is provided on one side of the sealing cover 11, and a dust filter plug 12 is provided inside the vent hole. The vent hole facilitates the air intake and exhaust on the upper side of the sealing plug 9 when it moves up and down, so as to prevent the air on the upper side of the sealing plug 9 from blocking the inside of the regulating cylinder 7 and interfering with the normal operation of the sealing plug 9. The dust filter plug 12 reduces the phenomenon of dust in the outside air directly entering the inside of the regulating cylinder 7 with the air. The upper surface of the base of the equipment body 1 is provided with a mounting protrusion corresponding to the mounting frame 2. The mounting protrusion is connected to the mounting frame 2 by bolts. The mounting protrusion makes the mounting frame 2 and the base of the equipment body 1 detachable, thereby facilitating the subsequent maintenance of the mounting frame 2 and the components installed on it.
[0027] The upper side of the mounting bracket 2 has an insertion hole, and the upper end of the piston cylinder 3 has a corresponding threaded hole. The outer ring of the piston cylinder 3 has a corresponding limiting ring. Through the cooperation of the limiting ring and the threaded hole, the piston cylinder 3 and the mounting bracket 2 are detachably assembled. That is, the piston cylinder 3 is connected to the mounting bracket 2 by screws, which facilitates the subsequent maintenance of the piston cylinder 3. The lower end of the piston rod 4 is jointly equipped with a linkage plate 13, and the film coating roller 5 is installed on the lower surface of the linkage plate 13. The setting of the linkage plate 13 makes it easy for the piston rod 4 to push the film coating roller 5. The piston cylinders 3 are jointly equipped with a reinforcing plate 14. The interior of the reinforcing plate 14 is hollow. The setting of the reinforcing plate 14 makes the two piston cylinders 3 more stable.
[0028] Operating principle and advantages: In the use of this utility model, the main body 1 of the equipment is based on existing technology, and the corresponding components set at both ends of the upper surface of the base of the main body 1 provide a moving effect for the cardboard. In the use of this solution, when the output end of the telescopic component 8 moves up and down, it squeezes or expands the gas at the lower end of the regulating cylinder 7, so that a corresponding positive or negative pressure is formed at the lower end of the regulating cylinder 7. Furthermore, when the positive or negative pressure at the lower end of the regulating cylinder 7 is generated, it drives the piston rod 4 inside the piston cylinder 3 through the connecting pipe 6. That is, when the telescopic component 8 drives the sealing plug 9 to move downward, the piston rod 4 extends outward from the piston cylinder 3 under the action of air pressure. Conversely, when the sealing plug 9 moves upward, the piston rod 4 retracts into the piston cylinder 3. Thus, the extension or retraction of the piston rod 4 can drive the laminating roller 5 to move up and down accordingly.
[0029] Therefore, during the use of this solution, when the piston rod 4 gradually extends out of the piston cylinder 3, its laminating roller 5 pushes the laminating film downward, thereby tightening the laminating film. When the piston rod 4 retracts into the piston cylinder 3, the laminating film loosens. Thus, when the laminating device proposed in this solution is used to laminate cardboard, if the laminating film is overstretched, i.e., tightened, the tightened film pushes the piston rod 4 into the piston cylinder 3, thereby causing the gas inside the regulating cylinder 7 to compress and increase pressure. Then, under the action of the pressure sensor 10, the pressure can be easily controlled according to the pressure sensor readings. The pressure value of the device 10 controls the output end of the telescopic component 8 to move upward, thereby reducing the internal pressure of the regulating cylinder 7. This allows the piston rod 4 to retract smoothly into the piston cylinder 3, thus avoiding the phenomenon of excessive tension and tearing of the film. Therefore, compared with the traditional solution, this solution, through the setting of the pressure sensor 10, the regulating cylinder 7, and the telescopic component 8, can more accurately and conveniently control the degree of stretching during film coating, effectively avoiding the phenomenon of film tearing. At the same time, since the mounting bracket 2 in this solution can be disassembled, it is also convenient for personnel to perform convenient maintenance on each component.
[0030] It should be further explained that the telescopic component 8 in this solution is an existing electric cylinder, electric push rod, etc., and its specific model can be selected according to the accuracy and cost considerations during use. The sealing cover 11 facilitates the sealing and opening of the inside of the regulating cylinder 7, thereby facilitating personnel to perform corresponding maintenance on the sealing plug 9 inside the regulating cylinder 7. The vent hole facilitates the air intake and exhaust on the upper side of the sealing plug 9 when it moves up and down, preventing air from clogging the upper side of the sealing plug 9 inside the regulating cylinder 7 and interfering with the normal operation of the sealing plug 9. The dust filter plug 12 reduces the amount of dust in the outside air to a certain extent. The phenomenon of dust directly entering the regulating cylinder 7 with the air; the installation protrusion allows the mounting frame 2 and the base of the main body 1 to be detachably assembled, thus facilitating convenient maintenance of the mounting frame 2 and the components installed on it; the cooperation of the limiting ring and the threaded hole allows the piston cylinder 3 and the mounting frame 2 to be detachably assembled, that is, the piston cylinder 3 is connected to the mounting frame 2 by screws, so as to facilitate the maintenance of the piston cylinder 3; the setting of the linkage plate 13 facilitates the piston rod 4 to push the coating roller 5; the setting of the reinforcing plate 14 makes the two piston cylinders 3 more stable.
[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A tear-resistant cardboard laminating machine, comprising a main body (1) for laminating cardboard, characterized in that, The main body (1) of the equipment has a mounting frame (2) in the middle of the upper surface of the base. Both ends of the top of the inner surface of the mounting frame (2) are equipped with piston cylinders (3). The piston cylinder (3) is equipped with a matching piston rod (4). The lower end of the piston rod (4) extends to the bottom of the piston cylinder (3) and is equipped with a film coating roller (5). The upper end of the piston cylinder (3) is connected to a connecting pipe (6). The end of the connecting pipe (6) away from the piston cylinder (3) is connected to an adjusting cylinder (7). The upper end of the adjusting cylinder (7) is equipped with a telescopic component (8). The output end of the telescopic component (8) extends into the interior of the adjusting cylinder (7) and is connected to a sealing plug (9). A pressure sensor (10) is connected to one side of the lower end of the adjusting cylinder (7).
2. The tear-resistant cardboard laminating machine according to claim 1, characterized in that, The upper end of the regulating cylinder (7) is fitted with a sealing cover (11) by screws, and the telescopic component (8) is installed on the upper surface of the sealing cover (11).
3. A tear-resistant cardboard laminating machine according to claim 2, characterized in that, The sealing cover (11) has a vent hole on one side, and a dust filter plug (12) is provided inside the vent hole.
4. The tear-resistant cardboard laminating machine according to claim 1, characterized in that, The upper surface of the base of the main body (1) of the equipment is provided with a mounting protrusion corresponding to the mounting frame (2), and the mounting protrusion and the mounting frame (2) are connected by bolts.
5. A tear-resistant cardboard laminating machine according to claim 1, characterized in that, The mounting bracket (2) has an insertion hole on its upper side, and the piston cylinder (3) has a threaded hole corresponding to the insertion hole on its upper end. The piston cylinder (3) has a limiting ring corresponding to the insertion hole on its outer ring surface.
6. A tear-resistant cardboard laminating machine according to claim 1, characterized in that, The piston rod (4) is connected to a linkage plate (13) at its lower end, and the film coating roller (5) is installed on the lower surface of the linkage plate (13).
7. A tear-resistant cardboard laminating machine according to claim 1, characterized in that, A reinforcing plate (14) is installed between the piston cylinders (3), and the interior of the reinforcing plate (14) is hollow.
Citation Information
Patent Citations
Anti-tearing paperboard film laminating machine
CN218197401U