Die cutting machine for producing aluminum foil meal box cover

Abstract

The utility model relates to the technical field of aluminum foil meal box cover processing, in particular to a die-cutting machine for producing aluminum foil meal box covers, which comprises a support underframe for supporting, by arranging the supporting bottom frame, the limiting assembly, the pressing rollers, the cutting frame, the die cutter and the conveying belts, the limiting assembly is provided with a rolling shaft and an arc-shaped limiting plate, an aluminum foil roll can be conveniently and stably supported and can rotate, the two pressing rollers press the aluminum foil, one end of each pressing roller is driven by the synchronous driving assembly, and through the four conveying belts, the aluminum foil roll can be cut off through the four conveying belts. The aluminum foil paper can be in a tensioned state conveniently, precise cutting of the aluminum foil is achieved through the extension action of the pneumatic cylinder, the die-cutting knife is pushed to descend, the pneumatic cylinder is matched with the two die-cutting plates, meanwhile, the four conveying belts continue to operate, the aluminum foil blank is pushed to the position of a stamping die, the overall structure is simple, design is reasonable, the cutting and stamping machining efficiency is greatly improved, and the production cost is reduced. And popularization and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of processing aluminum foil lunch box covers, in particular to a die-cutting machine for producing aluminum foil lunch box covers. Background Art

[0002] Aluminum foil lunch box lids are a food packaging material with numerous excellent properties. They offer strong air barrier properties, effectively preventing oxidation, water, and moisture, keeping food fresh. Furthermore, they possess excellent mechanical properties, resisting bursts, punctures, and tears, ensuring food safety. Aluminum foil lunch box lids are also heat and cold resistant, oil resistant, and offer excellent aroma retention. They are also non-toxic and odorless, fully complying with hygienic standards for food and pharmaceutical packaging.

[0003] When processing aluminum foil lunch box covers, the aluminum foil coil needs to be die-cut. Traditional processing generally requires the operator to manually push the die-cut blank to the stamping area of ​​the die-cutting machine. The operation is cumbersome and inefficient. Based on this, a die-cutting machine for producing aluminum foil lunch box covers is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a die-cutting machine for producing aluminum foil lunch box covers, which effectively solves the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a die-cutting machine for producing aluminum foil lunch box covers, comprising a supporting base frame for support, one end of the supporting base frame is equipped with two limit assemblies for stably supporting the aluminum foil roll, one side of the top surface of the supporting base frame is equipped with two guide rollers for guiding the aluminum foil, the middle of the top surface of the supporting base is equipped with two pressure rollers, a cutting frame and four horizontally placed drive shafts, one end of the two pressure rollers is equipped with a synchronous drive assembly, the middle of the cutting frame is equipped with a die-cutting knife that can move vertically, and the two ends of the four drive shafts are equipped with conveyor belts, which are arranged in groups of two and face the two pressure rollers, and the top surface of the supporting base frame near the cutting frame is equipped with two die-cutting plates that cooperate with the die-cutting knife.

[0006] Preferably, any of the above schemes is that the middle parts of the two limit assemblies are fixedly connected to the two corners of the end of the supporting base by bolts, and the two limit assemblies include a support leg, two rollers and two arc-shaped limit plates, and the rollers and the two arc-shaped limit plates are installed at the top ends of the adjacent sides of the support legs, and a gap is left between the bottom ends of the arc-shaped limit plates and the outer cylindrical surfaces of the rollers. In this scheme, the two support legs are fixedly connected to the two corner positions of the supporting base, so that the two support legs are installed vertically, wherein the rollers are grouped in pairs and are respectively installed at the top positions of the adjacent sides of the support legs, and a certain gap is left between adjacent rollers, which is convenient for stable support of the aluminum foil roll, and the top end of the arc-shaped limit plate presents an eight-shaped structure, which makes it convenient for the operator to take out or put in the aluminum foil roll.

[0007] Preferably, any of the above schemes is that the middle parts of the two guide rollers are recessed inward, and the two are arranged at an angle upward. By using this scheme, it is convenient to limit the position of the aluminum foil on both sides of the two guide rollers to avoid position displacement during the aluminum foil unrolling stage. The two guide rollers are placed at an angle to facilitate the bending and unrolling of the aluminum foil. The gravity of the aluminum foil roll itself and the friction between the aluminum foil roll and the roller are utilized to keep the unfolded aluminum foil in a certain tension state, so that the aluminum foil can enter between the two pressing rollers.

[0008] Preferably, any of the above schemes is that the middle part of the cutting frame bulges upward, and a pneumatic cylinder is installed in the middle part of the cutting frame, and its output end is fixedly connected to the middle part of the die-cutting knife. This scheme facilitates providing power support for the vertical movement of the cutting knife. At the same time, the two ends of the cutting frame are fixedly connected to the two sides of the top surface of the supporting base by bolts, thereby making the cutting frame in a vertical state and providing an installation position for the pneumatic cylinder, and then through its own extension action, it pushes the die-cutting knife to cooperate with the two die-cutting plates to achieve neat cutting of the aluminum foil.

[0009] Preferably, any of the above schemes is provided with limiting square tubes on both sides of the top of the cutting frame, and limiting columns cooperating with the limiting square tubes are installed on both sides of the top surface of the die-cutting knife. By using this scheme, it is convenient to limit the vertical movement of the die-cutting knife, avoiding the horizontal force directly acting on the pneumatic cylinder, and ensuring that the die-cutting knife can move vertically to cut the aluminum foil.

[0010] Preferably, from any of the above schemes, the synchronous drive assembly includes a first drive motor and four gears meshing with each other in pairs, wherein two of the gears are fixedly connected to one end of the two pinching rollers. In this scheme, the four gears mesh with each other in pairs, and the output end of the first drive motor is fixedly connected to a gear, thereby facilitating the synchronous reverse rotation of the two pinching rollers to achieve the compression and feeding of the aluminum foil. At the same time, the first drive motor adopts a servo motor, thereby facilitating the control of the unfolding length of the aluminum foil by the number of rotations and the rotation angle of the servo motor.

[0011] Preferably, any of the above schemes is that two second drive motors are installed in the middle of one side of the supporting base frame, and the output ends of the two second drive motors are fixedly connected to the ends of the two drive shafts. By using this scheme, it is convenient to provide stable power support for two of the drive shafts, thereby making it convenient for the four conveyor belts to rotate in opposite directions in pairs, thereby facilitating the feeding and flattening of the aluminum foil.

[0012] The utility model is provided with a supporting chassis, a limiting assembly, a pressing roller, a cutting frame, a die-cutting knife and a conveyor belt. The limiting assembly is provided with a roller and an arc-shaped limiting plate, which is convenient for stably supporting the aluminum foil roll and can rotate. The two pressing rollers press the aluminum foil, and one end of the pressing roller is driven by a synchronous driving assembly. The aluminum foil is conveniently tensioned by the four conveyor belts. The pneumatic cylinder extends to push the die-cutting knife to a lower height and cooperates with the two die-cutting plates to achieve accurate cutting of the aluminum foil. At the same time, the four conveyor belts continue to run to push the aluminum foil blank to the stamping die position. The overall structure is simple and the design is reasonable. The efficiency of cutting and stamping processing is greatly improved, and it is convenient for popularization and use. In addition, two limiting square tubes and a limiting column are provided, and the two cooperate with each other, thereby facilitating the vertical movement of the die-cutting knife to limit the vertical motion of the die-cutting knife, ensuring that the die-cutting knife is in a vertical state, so that the die-cutting knife and the two die-cutting plates are stably matched to cut the aluminum foil, and at the same time, it is ensured that the cut surface of the aluminum foil is in a straight state, which is convenient for later stamping processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model from the first perspective;

[0014] Figure 2 It is a schematic diagram of the cutaway structure of the entire utility model;

[0015] Figure 3 A second perspective structural diagram of the utility model as a whole;

[0016] Figure 4 This is a schematic diagram of the support chassis structure of the present utility model;

[0017] Figure 5 This is a schematic structural diagram of the cutting frame of the present utility model. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0019] like Figures 1 to 5As shown, the present invention is a die-cutting machine for producing aluminum foil lunch box covers, comprising a support base 1 for supporting, the middle of which is hollowed out, one end of the support base 1 is equipped with two limit assemblies 6 for stably supporting the aluminum foil roll, one side of the top surface of the support base 1 is equipped with two guide rollers 8 for guiding the aluminum foil, the middle of the top surface of the support base 1 is equipped with two pinch rollers 16, a cutting frame 11 and four horizontally placed drive shafts 12, one end of the two pinch rollers 16 is equipped with a synchronous drive assembly 4, A die-cutting knife 2 that can move vertically is installed in the middle of the cutting frame 11, and conveyor belts 13 are installed at both ends of the four drive shafts 12. The four are grouped in twos and face the two pressing rollers 16. Two die-cutting plates 15 that cooperate with the die-cutting knife 2 are installed on the top surface of the supporting base frame 1 near the cutting frame 11. The end faces of the two die-cutting plates 15 are L-shaped, and the two sides of the bottom surface of the two are fixedly connected to the top surface of the supporting base frame 1 by bolts to ensure their installation position, which is convenient for cooperating with the die-cutting knife 2 to achieve cutting of the aluminum foil.

[0020] The middle parts of the two limit assemblies 6 are fixedly connected to the two corners of the end of the support base 1 by bolts. The two limit assemblies 6 include support legs 9, two rollers 5 and two arc-shaped limit plates 7. The rollers 5 and the two arc-shaped limit plates 7 are installed at the top ends of the adjacent sides of the support legs 9. There is a gap between the bottom ends of the arc-shaped limit plates 7 and the outer cylindrical surfaces of the rollers 5. As an optional technical solution of the present invention, the two support legs 9 are fixedly connected to the two corner positions of the support base 1 so that the two support legs 9 are installed vertically, wherein the rollers 5 are grouped in pairs and are respectively installed at the top positions of the adjacent sides of the support legs 9. A certain gap is left between the two adjacent rollers 5, which is convenient for stable support of the aluminum foil roll. The top of the arc-shaped limit plate 7 presents an eight-shaped structure, which makes it convenient for the operator to take out or put in the aluminum foil roll.

[0021] The middle parts of the two guide rollers 8 are recessed inward, and the two are arranged at an angle upward. As an optional technical solution of the present invention, this makes it easier for the two sides of the two guide rollers 8 to limit the position of the aluminum foil, avoiding positional displacement during the unfolding stage of the aluminum foil. The two guide rollers 8 are placed at an angle to facilitate the bending and unfolding of the aluminum foil. The gravity of the aluminum foil roll itself and the friction between the aluminum foil roll and the roller 5 are utilized to keep the unfolded aluminum foil in a certain tensioned state, making it easier for the aluminum foil to enter between the two pressing rollers 16.

[0022] The middle part of the cutting frame 11 bulges upward, and a pneumatic cylinder 10 is installed in the middle part of the cutting frame 11, and its output end is fixedly connected to the middle part of the die-cutting knife 2. As an optional technical solution of the present invention, this facilitates providing power support for the vertical movement of the cutting knife 2. At the same time, the two ends of the cutting frame 11 are fixedly connected to the two sides of the top surface of the supporting base 1 by bolts, thereby making the cutting frame 11 in a vertical state and providing an installation position for the pneumatic cylinder 10, and then through its own elongation action, it pushes the die-cutting knife 2 to cooperate with the two die-cutting plates 15 to achieve neat cutting of the aluminum foil.

[0023] Limiting square tubes 17 are installed on both sides of the top of the cutting frame 11, and limiting columns 18 that cooperate with the limiting square tubes 17 are installed on both sides of the top surface of the die-cutting knife 2. As an optional technical solution of the present invention, this facilitates the limitation of the vertical movement of the die-cutting knife 2, avoids the horizontal force directly acting on the pneumatic cylinder 10, and ensures that the die-cutting knife 2 can move vertically to cut the aluminum foil.

[0024] The synchronous drive assembly 4 includes a first drive motor 401 and four gears 402 meshing with each other in pairs, wherein two gears 402 are fixedly connected to one end of the two pinching rollers 16. As an optional technical solution of the present invention, the four gears 402 are meshed with each other in pairs, and the output end of the first drive motor 401 is fixedly connected to a gear 402, so as to facilitate the two pinching rollers 16 to rotate synchronously in opposite directions to achieve the compression and feeding of the aluminum foil. At the same time, the first drive motor 401 adopts a servo motor, so as to facilitate the number of rotations and the rotation angle of the servo motor to control the unfolding length of the aluminum foil.

[0025] Two second drive motors 3 are installed in the middle of one side of the supporting base 1, and the output ends of the two drive shafts 12 are fixedly connected. As an optional technical solution of the present invention, this facilitates providing stable power support for two of the drive shafts 12, thereby facilitating the four conveyor belts 13 to rotate in opposite directions in pairs, thereby facilitating the feeding and flattening of the aluminum foil.

[0026] The die-cutting machine for producing aluminum foil lunch box covers requires the following steps when used:

[0027] 1) When in use, place the aluminum foil roll between the two arc-shaped limit plates 7 and between the four rollers 5;

[0028] 2) Unfold the aluminum foil and pass it through two guide rollers 8, two pinch rollers 16, and four conveyor belts 13 in sequence;

[0029] 3) The aluminum foil is fed by energizing the first drive motor 401 and the two second drive motors 3;

[0030] 4) The pneumatic cylinder 10 extends, pushing the die-cutting knife 2 down, cooperating with the two die-cutting plates 15 to cut the aluminum foil;

[0031] 5) The two second drive motors 3 continue to run, pushing the aluminum foil blank into the stamping die.

[0032] In summary, when the user uses it, by setting the supporting base 1, the limiting component 6, the pressing roller 16, the cutting frame 11, the die-cutting knife 2 and the conveyor belt 13, the limiting component 6 is equipped with a roller 5 and an arc-shaped limiting plate 7, which is convenient for stably supporting the aluminum foil roll and can be rotated. The two pressing rollers 16 press the aluminum foil, and one end of the pressing rollers is driven by the synchronous driving component 4. Through the four conveyor belts 13, it is convenient to make the aluminum foil paper in a tensioned state. The pneumatic cylinder 10 extends to push the die-cutting knife 2 to descend in height and cooperate with the two die-cutting plates 15 to achieve The aluminum foil is accurately cut while the four conveyor belts 13 continue to run, pushing the aluminum foil blank to the stamping die position. The overall structure is simple and the design is reasonable, which greatly improves the cutting and stamping processing efficiency and is convenient for promotion and use. By setting two limiting square tubes 17 and limiting columns 18, and the two cooperate with each other, it is convenient to limit the vertical movement of the die-cutting knife 2, ensuring that the die-cutting knife 2 is in a vertical state, so that the die-cutting knife 2 and the two die-cutting plates 15 can be stably matched to cut the aluminum foil, and at the same time ensure that the cut surface of the aluminum foil is in a straight state, which is convenient for subsequent stamping processing.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A die-cutting machine for producing aluminum foil lunch box covers, characterized by: The invention comprises a support base frame for supporting, wherein one end of the support base frame is equipped with two limit assemblies for stably supporting the aluminum foil roll, one side of the top surface of the support base frame is equipped with two guide rollers for guiding the aluminum foil, the middle part of the top surface of the support base is equipped with two pressure rollers, a cutting frame and four horizontally placed drive shafts, one end of the two pressure rollers is equipped with a synchronous drive assembly, the middle part of the cutting frame is equipped with a die-cutting knife that can move vertically, and the two ends of the four drive shafts are equipped with conveyor belts, which are grouped in pairs and face the two pressure rollers, and the support base frame is equipped with two die-cutting plates that cooperate with the die-cutting knife near the top surface of the cutting frame.

2. A die-cutting machine for producing aluminum foil lunch box covers according to claim 1, characterized in that: The middle parts of the two limiting assemblies are fixedly connected to the two corners of the end of the supporting base by bolts. The two limiting assemblies include supporting legs, two rollers and two arc-shaped limiting plates. The rollers and two arc-shaped limiting plates are installed at the top ends of the adjacent sides of the supporting legs. A gap is left between the bottom end of the arc-shaped limiting plate and the outer cylindrical surface of the roller.

3. The die-cutting machine for producing aluminum foil lunch box covers according to claim 2, characterized in that: The middle parts of the two guide rollers are recessed inwards, and the two guide rollers are arranged upwardly and inclined.

4. The die-cutting machine for producing aluminum foil lunch box covers according to claim 3, characterized in that: The middle part of the cutting frame bulges upwards, and a pneumatic cylinder is installed in the middle part of the cutting frame, and the output end of the pneumatic cylinder is fixedly connected to the middle part of the die cutting knife.

5. The die-cutting machine for producing aluminum foil lunch box covers according to claim 4, characterized in that: Limiting square tubes are installed on both sides of the top of the cutting frame, and limiting columns that match the limiting square tubes are installed on both sides of the top surface of the die cutting knife.

6. The die-cutting machine for producing aluminum foil lunch box covers according to claim 5, characterized in that: The synchronous drive assembly includes a first drive motor and four gears meshing with each other, wherein two of the gears are fixedly connected to one end of two pressing rollers.

7. The die-cutting machine for producing aluminum foil lunch box covers according to claim 6, characterized in that: Two second driving motors are installed in the middle of one side of the supporting chassis, and the output ends of the two second driving motors are fixedly connected to the ends of the two driving shafts.

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