Multi-degree-of-freedom dynamic adjustment film covering feeding mechanism

By using a multi-degree-of-freedom dynamically adjustable film feeding mechanism, the film position is adjusted by a combination of hydraulic cylinders and air cylinders, and combined with a motor-driven clamping assembly, the problems of film orientation adjustment and cumbersome clamp operation are solved, realizing automated and efficient film coating of multiple sides of packaging boxes.

CN224393116UActive Publication Date: 2026-06-23Shuangzhi Packaging (Foshan) Co., Ltd.

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Shuangzhi Packaging (Foshan) Co., Ltd.
Filing Date
2025-08-08
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing film feeding mechanism of the laminating machine cannot adjust the direction of the film, which means that the packaging box needs to be manually flipped and adjusted for multi-sided lamination. In addition, the clamp operation is complicated and increases the workload.

Method used

The multi-degree-of-freedom dynamically adjustable film feeding mechanism is designed. By combining hydraulic cylinders and air cylinders, the film can be adjusted in multiple dimensions. The motor-driven clamping assembly simplifies the steps of clamping and releasing the film.

Benefits of technology

It enables automated adjustment of multi-sided lamination of packaging boxes, reducing manual operation, improving lamination efficiency, and reducing workload.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224393116U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of multi-degree-of-freedom dynamic adjustment film coating feeding mechanism, it is related to film coating technical field, including setting rack, the inner top of setting rack is equipped with adjusting assembly, adjusting assembly includes the hydraulic cylinder of installation in the inner top of setting rack, the piston rod of hydraulic cylinder output end is equipped with cylinder;The side of setting rack is equipped with clamping assembly, clamping assembly includes the fixed clamping plate of installation in the piston rod end of cylinder telescopic end, motor is installed on the outer side wall of fixed clamping plate, motor output end is connected with internal thread cylinder, the inner thread connection of internal thread cylinder Screw rod end is fixedly connected with connecting rod, the side of fixed clamping plate is equipped with movable clamping plate, connecting frame is installed on the outer side wall of movable clamping plate.The utility model sets adjusting assembly, realize the multi-degree-of-freedom dynamic adjustment of film, it is convenient to carry out multi-surface film coating processing to packaging box, and setting clamping assembly, simplify the operation steps of film clamping or loosening.
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Description

Technical Field

[0001] This utility model belongs to the field of coating technology, and in particular relates to a multi-degree-of-freedom dynamically adjustable coating feeding mechanism. Background Technology

[0002] Packaging boxes are used to package and store goods. To protect the printed content on the surface of the packaging boxes and to enhance their aesthetics and durability, workers apply a film coating to the outer surface of the boxes on a laminating machine. The laminating machine mainly consists of a film feeding mechanism, a pressing mechanism, a tensioning mechanism, a temperature control mechanism, and an automated control mechanism. The main function of the film feeding mechanism is to smoothly and efficiently transport the film material to the laminating area, ensuring the smooth progress of subsequent processes.

[0003] A search revealed a feeding mechanism for a laminating machine in patent document CN220182296U. The mechanism includes a first mounting plate and a second mounting plate. Both the first and second mounting plates have U-shaped grooves at their upper ends. Each U-shaped groove has a vertical groove on its sidewall. A circular stop block is slidably connected within each U-shaped groove. A rotating shaft is rotatably connected between the sidewalls of two circular stop blocks, passing through the two vertical grooves. A dust collection device is fixedly connected to the upper sidewall of the middle portion of the first mounting plate. Four connecting rods are rotatably connected to the sidewalls of the first and second mounting plates. A rotating device is located at one end of each of the connecting rods, and the rotating device is located on one side of the first mounting plate. The dust collection device, through the coordinated operation of a suction rod, air pipe, dust collection box, and air pump, quickly and effectively cleans dust and impurities from the surface of the laminating material, thereby improving the laminating quality.

[0004] However, the membrane feeding mechanism still has the following shortcomings in actual use:

[0005] 1. First, a cylinder is installed on the worktable of the laminating machine. A movable plate is installed on the piston rod of the cylinder's telescopic end. Clamps are symmetrically installed on the lower surface of the movable plate. The operator uses the clamps to clamp the free end of the film, starts the cylinder, and the piston rod of the telescopic end extends, driving the movable plate to move, so that the film is unwound and attached to the upper surface of the packaging box. Since the cylinder can only move in a straight line and cannot adjust the direction of the film, it can only laminate the upper surface of the packaging box. The orientation of the packaging box needs to be manually flipped and adjusted in order to achieve multi-sided lamination of the packaging box.

[0006] 2. Secondly, clamps are installed on the lower surface of the movable plate. The clamps clamp the free end of the film, which makes it easier for the cylinder to drive the film to unwind during operation and prevent the free end of the film from detaching. When it is necessary to laminate the next packaging box, the staff needs to repeatedly press the clamps to clamp and release the free end of the film, which increases the number of operation steps and workload.

[0007] To address these issues, we provide a multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism. Utility Model Content

[0008] The purpose of this utility model is to provide a multi-degree-of-freedom dynamically adjustable film feeding mechanism. By setting adjustment components, the position of the film in multiple dimensions can be adjusted, which facilitates filming of multiple sides of the packaging box. Furthermore, by setting clamping components, the film can be quickly clamped or released, reducing workload and thus solving the problems mentioned in the background art.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0010] This utility model relates to a multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism, comprising a mounting frame, an adjustment assembly at the inner top of the mounting frame, the adjustment assembly including a hydraulic cylinder mounted on the inner top of the mounting frame, and a cylinder mounted on the piston rod at the output end of the hydraulic cylinder; a clamping assembly is provided on the side of the mounting frame, the clamping assembly including a fixed clamping plate mounted on the piston rod end at the telescopic end of the cylinder, a motor mounted on the outer wall of the fixed clamping plate, an internally threaded cylinder connected to the output end of the motor, a connecting rod fixedly connected to the end of the screw threaded internally threaded cylinder, a movable clamping plate is provided on the side of the fixed clamping plate, a connecting frame is mounted on the outer wall of the movable clamping plate, and the end of the connecting rod is connected to the side wall of the connecting frame.

[0011] The present invention is further configured such that a through groove is provided on the side wall of the mounting frame, and countersunk screw holes are symmetrically provided on the upper surface of the mounting frame, and countersunk bolts are threaded into the countersunk screw holes.

[0012] The present invention is further configured such that the guide cylinder installed on the inner top of the mounting frame is located on the side away from the hydraulic cylinder, and a guide rod is sleeved inside the guide cylinder.

[0013] The present invention is further configured such that a connecting cylinder is installed on the guide rod, and a movable rod is sleeved inside the connecting cylinder, and the movable rod is installed on the outer wall of the fixed clamping plate.

[0014] The present invention is further configured such that a fixing ring is symmetrically fixed to the upper surface of the fixing clamp, and an ear block is symmetrically fixed to the upper surface of the movable clamp, and a limiting rod fixed to the inner side wall of the ear block passes through the fixing ring.

[0015] The present invention is further provided with an anti-slip pad on the inner wall of the fixed clamping plate and an anti-slip pad on the inner wall of the movable clamping plate.

[0016] The present invention is further configured such that a screw cap is threadedly connected to the outer peripheral side wall of the internally threaded cylinder, and a through hole for the connecting rod to pass through is provided on the side wall of the screw cap, wherein the outer diameter of the screw is larger than the inner diameter of the through hole.

[0017] The present invention is further configured such that a mounting frame is installed on the lower surface of the fixed clamping plate, and a coating roller is rotatably connected inside the mounting frame.

[0018] This utility model has the following beneficial effects:

[0019] This invention, by setting up an adjustment component, activates a hydraulic cylinder, and the piston rod at the telescopic end of the hydraulic cylinder extends or retracts, adjusting the height of the cylinder. Consequently, the heights of the fixed clamping plate and the movable clamping plate are adjusted, thus adjusting the position of the film in the vertical direction. Activating the cylinder again causes the piston rod at the telescopic end of the cylinder to extend or retract, adjusting the position of the fixed clamping plate and the movable clamping plate on the horizontal plane. This allows for multi-degree-of-freedom dynamic adjustment of the film, facilitating multi-sided packaging of the packaging box.

[0020] This invention features a clamping assembly. When the motor is energized, the internally threaded cylinder rotates clockwise, the screw approaches the motor, the connecting rod enters the internally threaded cylinder, and the movable clamping plate moves closer to the fixed clamping plate, clamping the free end of the membrane. When the internally threaded cylinder rotates counterclockwise, the screw moves away from the motor, the connecting rod moves out of the internally threaded cylinder, the movable clamping plate moves away from the fixed clamping plate, and the free end of the membrane is released. This simplifies the membrane clamping and releasing steps, facilitates quick operation, and reduces workload. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0022] Figure 1 A three-dimensional schematic diagram of a multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism Figure 1 ;

[0023] Figure 2 A three-dimensional schematic diagram of a multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism Figure 2 ;

[0024] Figure 3 This is a cross-sectional schematic diagram of a multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism;

[0025] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1- Mounting frame, 101- Through slot, 102- Countersunk screw hole, 103- Countersunk bolt, 2- Adjusting assembly, 201- Hydraulic cylinder, 202- Pneumatic cylinder, 203- Guide cylinder, 203a- Guide rod, 204- Connecting cylinder, 204a- Movable rod, 3- Clamping assembly, 301- Fixed clamping plate, 302- Movable clamping plate, 303- Anti-slip pad, 304- Ear block, 304a- Limiting rod, 304b- Fixing ring, 305- Motor, 305a- Internal threaded cylinder, 305b- Threaded cap, 305c- Connecting rod, 305d- Connecting frame, 306- Mounting frame, 306a- Coating roller, 307- Through hole, 308- Screw. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Example 1

[0029] Please see Figure 1 This utility model is a multi-degree-of-freedom dynamic adjustment film feeding mechanism, including a mounting frame 1, a countersunk screw hole 102 and a countersunk bolt 103. The cooperation between the countersunk bolt 103 and the countersunk screw hole 102 fixes the mounting frame 1 on the working table of the film coating machine.

[0030] Specifically, countersunk screw holes 102 are symmetrically provided on the upper surface of the mounting frame 1, and countersunk bolts 103 are threaded inside the countersunk screw holes 102; through grooves 101 are provided on the side wall of the mounting frame 1.

[0031] The operation process of this embodiment is as follows: place the mounting frame 1 on the working table of the laminating machine, rotate the countersunk bolt 103 clockwise, and fix the mounting frame 1 on the working table of the laminating machine. Example 2

[0032] Please see Figure 1 and Figure 2 Based on the first specific embodiment, an adjustment component 2 is provided. The adjustment component 2 includes a hydraulic cylinder 201 and a pneumatic cylinder 202. When the hydraulic cylinder 201 is activated, the height of the pneumatic cylinder 202 is adjusted up and down to adjust the position of the film in the vertical direction. When the pneumatic cylinder 202 is activated, the position of the film in the horizontal plane is adjusted to achieve multi-degree-of-freedom dynamic adjustment of the film, which facilitates the multi-sided film coating process of the packaging box.

[0033] Specifically, the hydraulic cylinder 201 is installed on the inner top of the mounting frame 1, and the piston rod at the output end of the hydraulic cylinder 201 is equipped with a pneumatic cylinder 202.

[0034] Furthermore, the guide cylinder 203 installed on the inner top of the mounting frame 1 is located on the side away from the hydraulic cylinder 201. The guide cylinder 203 is fitted with a guide rod 203a inside, and a connecting cylinder 204 is installed on the guide rod 203a. The connecting cylinder 204 is fitted with a movable rod 204a inside, and the movable rod 204a is installed on the outer wall of the fixed clamping plate 301.

[0035] The operation process of this embodiment is as follows: Start the hydraulic cylinder 201, extend the piston rod at the telescopic end of the hydraulic cylinder 201, and move the cylinder 202 downwards. At the same time, the guide rod 203a moves downwards. When the piston rod at the telescopic end of the hydraulic cylinder 201 retracts, the cylinder 202 moves upwards, and the guide rod 203a moves upwards. Start the cylinder 202, and when the piston rod at the telescopic end of the cylinder 202 extends, the movable rod 204a moves out of the connecting cylinder 204. When the piston rod at the telescopic end of the cylinder 202 retracts, the movable rod 204a enters the connecting cylinder 204. Example 3

[0036] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 Based on specific embodiments one and two, a clamping assembly 3 is provided. The clamping assembly 3 includes a fixed clamping plate 301, a movable clamping plate 302, a motor 305, an internal threaded cylinder 305a, a connecting rod 305c, a connecting frame 305d, and a screw 308. When the motor 305 is energized, the internal threaded cylinder 305a rotates clockwise, reducing the distance between the fixed clamping plate 301 and the movable clamping plate 302, and clamping the free end of the membrane. When the internal threaded cylinder 305a rotates counterclockwise, it increases the distance between the fixed clamping plate 301 and the movable clamping plate 302, and releases the free end of the membrane, so as to facilitate the clamping and releasing of the free end of the membrane quickly.

[0037] Specifically, a fixed clamping plate 301 is installed at the piston rod end of the telescopic end of the cylinder 202. A motor 305 is installed on the outer wall of the fixed clamping plate 301. An internal threaded cylinder 305a is connected to the output end of the motor 305. A connecting rod 305c is fixedly connected to the end of the screw 308 connected to the internal thread of the internal threaded cylinder 305a. A movable clamping plate 302 is provided on the side of the fixed clamping plate 301. A connecting frame 305d is installed on the outer wall of the movable clamping plate 302. The end of the connecting rod 305c is connected to the side wall of the connecting frame 305d.

[0038] Furthermore, a fixing ring 304b is symmetrically fixed to the upper surface of the fixed clamping plate 301, and an ear block 304 is symmetrically fixed to the upper surface of the movable clamping plate 302. A limiting rod 304a fixed to the inner side wall of the ear block 304 passes through the fixing ring 304b. An anti-slip pad 303 is provided on the inner side wall of the fixed clamping plate 301 and the inner side wall of the movable clamping plate 302. A screw cap 305b is threadedly connected to the outer peripheral side wall of the internal threaded cylinder 305a. A through hole 307 for the connecting rod 305c to pass through is opened on the side wall of the screw cap 305b. The outer diameter of the screw 308 is larger than the inner diameter of the through hole 307. An installation bracket 306 is installed on the lower surface of the fixed clamping plate 301. A film coating roller 306a is rotatably connected inside the installation bracket 306.

[0039] The operation process of this embodiment is as follows: The free end of the film is placed on the inner wall of the fixed clamping plate 301, in contact with the anti-slip pad 303. The motor 305 is energized, and the internal threaded cylinder 305a rotates clockwise. The screw 308 moves closer to the motor 305, driving the connecting rod 305c into the interior of the internal threaded cylinder 305a. The limiting rod 304a moves along the axial direction of the fixed ring 304b, and the connecting frame 305d moves closer to the fixed clamping plate 301, reducing the distance between the fixed clamping plate 301 and the movable clamping plate 302 until the film is clamped. The cylinder 202 is activated, driving the fixed clamping plate 301 to move, so that the film is unwound and attached to the surface of the packaging box. At the same time, the film is laminated. Roller 306a squeezes the film on the packaging box, hydraulic cylinder 201 is activated, driving cylinder 202 to move downward, fixed clamping plate 301 moves downward, and the film is unwound and attached to the side wall of the packaging box. An external robotic arm is used to pick up the packaging box and move it upward. Cylinder 202 is activated again, and the film is unwound and attached to the lower surface of the packaging box. Hydraulic cylinder 201 is activated again, and the film is unwound and attached to the other side wall of the packaging box. When the internal threaded cylinder 305a rotates counterclockwise, screw 308 moves away from the motor, connecting rod 305c moves out of the interior of internal threaded cylinder 305a, increasing the distance between fixed clamping plate 301 and movable clamping plate 302, and releasing the free end of the film.

[0040] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A multi-degree-of-freedom dynamic adjustment film covering feeding mechanism comprising a mounting frame (1), characterized in that: The inner top of the mounting frame (1) is provided with an adjustment assembly (2), the adjustment assembly (2) includes a hydraulic cylinder (201) installed in the inner top of the mounting frame (1), and a cylinder (202) is installed on the piston rod at the output end of the hydraulic cylinder (201). The mounting frame (1) is provided with a clamping assembly (3) on its side. The clamping assembly (3) includes a fixed clamping plate (301) installed at the piston rod end of the telescopic end of the cylinder (202). A motor (305) is installed on the outer wall of the fixed clamping plate (301). The output end of the motor (305) is connected to an internal threaded cylinder (305a). The end of the screw (308) connected to the internal thread of the internal threaded cylinder (305a) is fixed to a connecting rod (305c). A movable clamping plate (302) is provided on the side of the fixed clamping plate (301). A connecting frame (305d) is installed on the outer wall of the movable clamping plate (302). The end of the connecting rod (305c) is connected to the side wall of the connecting frame (305d).

2. The multi-degree of freedom dynamic adjustment film covering pay-off mechanism according to claim 1, characterized in that: The mounting frame (1) has a through groove (101) on its side wall and countersunk screw holes (102) symmetrically opened on its upper surface. The countersunk screw holes (102) are threaded with countersunk bolts (103).

3. The multi-degree of freedom dynamic adjustment film covering pay-off mechanism according to claim 1, characterized in that: The guide cylinder (203) installed on the inner top of the mounting frame (1) is located on the side away from the hydraulic cylinder (201), and the guide cylinder (203) is fitted with a guide rod (203a).

4. The multi-degree of freedom dynamic adjustment film covering pay-off mechanism according to claim 3, characterized in that: A connecting cylinder (204) is installed on the guide rod (203a), and a movable rod (204a) is sleeved inside the connecting cylinder (204). The movable rod (204a) is installed on the outer wall of the fixed clamp (301).

5. The multi-degree of freedom dynamic adjustment film covering pay-off mechanism according to claim 1, characterized in that: A fixing ring (304b) is symmetrically fixed to the upper surface of the fixed clamping plate (301), and an ear block (304) is symmetrically fixed to the upper surface of the movable clamping plate (302). A limiting rod (304a) fixed to the inner side wall of the ear block (304) passes through the fixing ring (304b).

6. The multi-degree of freedom dynamic adjustment film covering pay-off mechanism according to claim 5, characterized in that: The inner wall of the fixed clamp (301) is provided with an anti-slip pad (303), and the inner wall of the movable clamp (302) is provided with an anti-slip pad (303).

7. The multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism according to claim 1, characterized in that: The outer peripheral sidewall of the internally threaded cylinder (305a) is threaded with a screw cap (305b), and the sidewall of the screw cap (305b) is provided with a through hole (307) for the connecting rod (305c) to pass through. The outer diameter of the screw (308) is larger than the inner diameter of the through hole (307).

8. The multi-degree-of-freedom dynamically adjustable film-coating feeding mechanism according to claim 1, characterized in that: The mounting bracket (306) is mounted on the lower surface of the fixed clamp (301), and a coating roller (306a) is rotatably connected inside the mounting bracket (306).