Automatic cutting device for packaging machine

Abstract

The utility model discloses an automatic slitting device for a packaging machine, comprising: a movable seat, which is driven and arranged in the packaging machine through a lifting mechanism, with driving mechanisms extending outwardly on both sides of the central axis, and the packaging film drawn out from one side of the product covers the product; two laminating mechanisms, which are respectively and correspondingly slidably arranged on the two driving mechanisms through sliding seats, and pressure rollers are rolled or fixedly arranged on the two laminating mechanisms through connecting shafts; a cutter, which is driven and arranged on the laminating mechanism through a third driving mechanism, and the cutter is located on the side of the pressure roller. The utility model realizes the close lamination of segmented packaging films through the lifting mechanism, the pressure roller, the laminating plate, and the driving mechanism, and cuts the packaging film within the laminating plate and the pressure roller by the cutter, so as to ensure the product packaging quality.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to an automatic cutting device for a packaging machine. Background Art

[0002] In order to isolate the product from the outside world and facilitate storage and transportation, the product generally needs to be packaged with packaging film after it is partially or completely formed. In order to further ensure product quality, the packaging film will be vacuumed to ensure that the packaging film fits tightly on the product. The packaging film laminating and slitting device in common packaging machines is relatively simple in laminating the packaging film on the product or product frame, so that there will be air residue between the two, and the packaging film slitting point cannot fit tightly with the product or product frame, resulting in loose packaging structure of the packaging film and product and low shaping efficiency. Utility Model Content

[0003] The utility model aims to provide an automatic slitting device for a packaging machine in order to solve the problem that the packaging film laminating and slitting device in a common packaging machine is relatively simple in laminating the packaging film on the product or the product frame, so that air will remain between the two, and the cutting part of the packaging film cannot be tightly fitted with the product or the product frame, so that the packaging structure of the packaging film and the product is loose and the shaping efficiency is low.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic cutting device for a packaging machine, comprising:

[0005] The movable seat is facing the product and is driven by the lifting mechanism to be arranged in the packaging machine. A first driving mechanism and a second driving mechanism are extended outwardly on both sides of the central axis. The packaging film drawn out from one side of the product covers the product.

[0006] The first laminating mechanism and the second laminating mechanism are respectively slidably arranged on the first driving mechanism and the second driving mechanism through a sliding seat, and a pressing roller is rollably or fixedly arranged on the first laminating mechanism and the second laminating mechanism through a connecting shaft;

[0007] A cutter is driven by a third driving mechanism and is arranged on the second laminating mechanism and / or the first laminating mechanism, and the cutter is located on the side of the pressing roller.

[0008] As a further description of the above technical solution:

[0009] The first driving mechanism and the second driving mechanism are linear motors.

[0010] As a further description of the above technical solution:

[0011] The product is placed on a frame bottom plate, and a frame enclosure arranged on the frame bottom plate positions the product.

[0012] As a further description of the above technical solution:

[0013] The first laminating mechanism and the second laminating mechanism are both provided with laminating plates at the bottom, and the bottom surface of the laminating plates is flush with the cut surface of the bottom of the pressing roller.

[0014] As a further description of the above technical solution:

[0015] The cutter is mounted on a knife seat, and the knife seat is mounted on the telescopic end of the third driving mechanism. The third driving mechanism is a cylinder, a hydraulic cylinder or a motor.

[0016] As a further description of the above technical solution:

[0017] A guide rail is arranged on the bonding plate of the second bonding mechanism and / or the first bonding mechanism, and the knife holder is slidably arranged on the guide rail.

[0018] In summary, due to the adoption of the above technical solution, the utility model has the following advantages compared with the prior art:

[0019] Beneficial effects:

[0020] The utility model is driven by a lifting mechanism so that the pressing roller and the laminating plate are in contact with the packaging film, so that the film is partially and tightly fitted on the frame enclosure; the driving mechanism drives the sliding seat to drive the laminating mechanism to move outward, and the small range of packaging film between the two laminating mechanisms is pulled outward by the friction of the pressing roller and is fitted on the product frame, and the laminating plate cooperates with the pressing roller to perform secondary pressing on the outer packaging film, so that the product frame is tightly fitted with the packaging film within a set range, thereby achieving tight fitting of the segmented packaging film; the third driving mechanism drives the knife seat to move toward the packaging film along the guide rail, and the cutter cuts the packaging film within the pressing range of the laminating plate and the pressing roller, thereby achieving efficient laminating and cutting operations and ensuring product packaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a general state diagram of an automatic slitting device for a packaging machine.

[0023] Figure 2 The present invention is a usage diagram of an automatic cutting device for a packaging machine.

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0025] Legend:

[0026] 1. Lifting mechanism; 2. Movable seat; 3. First driving mechanism; 4. Second driving mechanism; 5. Sliding seat; 6. First laminating mechanism; 7. Second laminating mechanism; 8. Connecting shaft; 9. Pressing roller; 10. Laminating plate; 11. Third driving mechanism; 12. Knife holder; 13. Cutter; 14. Guide rail; 100. Packaging film; 200. Product; 300. Frame bottom plate; 310. Frame enclosure. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] See also Figure 1-3 The utility model provides a technical solution: an automatic cutting device for a packaging machine, comprising:

[0030] The movable seat 2 is facing the product 200 and is driven by the lifting mechanism 1 to be arranged in the packaging machine. A first driving mechanism 3 and a second driving mechanism 4 are extended outwardly on both sides of the central axis. The packaging film 100 drawn out from one side of the product 200 covers the product 200.

[0031] A first laminating mechanism 6 and a second laminating mechanism 7 are respectively slidably arranged on the first driving mechanism 3 and the second driving mechanism 4 via a slide seat 5, and a pressing roller 9 is rollably or fixedly arranged on the first laminating mechanism 6 and the second laminating mechanism 7 via a connecting shaft 8;

[0032] The cutter 13 is driven by the third driving mechanism 11 and is disposed on the second laminating mechanism 7 and / or the first laminating mechanism 6 . The cutter 13 is located on the side of the pressing roller 9 .

[0033] The first driving mechanism 3 and the second driving mechanism 4 are linear motors.

[0034] The product 200 is placed on the frame bottom plate 300 , and the frame enclosure 310 provided on the frame bottom plate 300 positions the product 200 .

[0035] A laminating plate 10 is disposed at the bottom of each of the first laminating mechanism 6 and the second laminating mechanism 7 , and the bottom surface of the laminating plate 10 is flush with the cut surface of the bottom of the pressing roller 9 .

[0036] The cutter 13 is mounted on a cutter holder 12 , and the cutter holder 12 is mounted on a telescopic end of the third driving mechanism 11 . The third driving mechanism 11 is a cylinder, a hydraulic cylinder or a motor.

[0037] A guide rail 14 is provided on the laminating plate 10 of the second laminating mechanism 7 and / or the first laminating mechanism 6 , and the knife holder 12 is slidably provided on the guide rail 14 .

[0038] The working principle of the automatic slitting device for a packaging machine of the present embodiment includes: when in use, the product 200 is placed on the frame bottom plate 300, the frame enclosure 310 is positioned on the frame bottom plate 300, the product 200 is positioned, and the packaging film 100 is drawn out from one side of the frame bottom plate 300 and covered on the frame enclosure 310; the lifting mechanism 1 moves toward the packaging film 100, so that the pressing roller 9 and the laminating plate 10 abut against the packaging film 100, so that it is partially tightly attached to the frame enclosure 310; the first driving mechanism 3 and the second driving mechanism 4 are started , so that the slide drives the laminating mechanism to move outward, and the small range of packaging film 100 between the two laminating mechanisms is pulled outward by the friction of the pressure roller 9 and is attached to the product frame. The laminating plate 10 cooperates with the pressure roller 9 to perform secondary pressure attachment on the outer packaging film 100, so that the product frame is tightly attached to the packaging film 100 within the set range; the third driving mechanism 11 drives the knife seat 12 to move along the guide rail 14 toward the packaging film 100, and the cutter 13 contacts the packaging film 100 to cut the packaging film 100, and the packaging film 100 is positioned with the product frame through the equipment in the packaging machine. The cutting of the cutter 13 adopts single or multiple direct punching or continuous cutting driven by the driving mechanism on the knife seat 12 in the width direction of the packaging film 100.

[0039] In summary, due to the adoption of the above technical solution, the automatic slitting device for a packaging machine of this embodiment has the following beneficial effects compared with the prior art:

[0040] The utility model is driven by a lifting mechanism so that the pressing roller and the laminating plate are in contact with the packaging film, so that the film is partially and tightly fitted on the frame enclosure; the driving mechanism drives the sliding seat to drive the laminating mechanism to move outward, and the small range of packaging film between the two laminating mechanisms is pulled outward by the friction of the pressing roller and is fitted on the product frame, and the laminating plate cooperates with the pressing roller to perform secondary pressing on the outer packaging film, so that the product frame is tightly fitted with the packaging film within a set range, thereby achieving tight fitting of the segmented packaging film; the third driving mechanism drives the knife seat to move toward the packaging film along the guide rail, and the cutter cuts the packaging film within the pressing range of the laminating plate and the pressing roller, thereby achieving efficient laminating and cutting operations and ensuring product packaging quality.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic cutting device for a packaging machine, characterized in that: include: The movable seat is facing the product and is driven by the lifting mechanism to be arranged in the packaging machine. A first driving mechanism and a second driving mechanism are extended outwardly from both sides of the central axis. The packaging film drawn out from one side of the product covers the product. The first laminating mechanism and the second laminating mechanism are respectively slidably arranged on the first driving mechanism and the second driving mechanism through a sliding seat, and a pressing roller is rollably or fixedly arranged on the first laminating mechanism and the second laminating mechanism through a connecting shaft; A cutter is driven by a third driving mechanism and is arranged on the second laminating mechanism and / or the first laminating mechanism, and the cutter is located on the side of the pressing roller.

2. The automatic cutting device for a packaging machine according to claim 1, characterized in that: The first driving mechanism and the second driving mechanism are linear motors.

3. The automatic cutting device for a packaging machine according to claim 1, characterized in that: The product is placed on a frame bottom plate, and a frame enclosure arranged on the frame bottom plate positions the product.

4. The automatic cutting device for a packaging machine according to claim 1, characterized in that: The first laminating mechanism and the second laminating mechanism are both provided with laminating plates at the bottom, and the bottom surface of the laminating plates is flush with the cut surface of the bottom of the pressing roller.

5. The automatic cutting device for a packaging machine according to claim 4, characterized in that: The cutter is mounted on a knife seat, and the knife seat is mounted on the telescopic end of the third driving mechanism. The third driving mechanism is a cylinder, a hydraulic cylinder or a motor.

6. The automatic cutting device for a packaging machine according to claim 5, characterized in that: A guide rail is arranged on the bonding plate of the second bonding mechanism and / or the first bonding mechanism, and the knife holder is slidably arranged on the guide rail.

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