Cutting device for film winding machine

Abstract

The cutting device comprises a conveying belt, a bottom plate, a motor, a threaded rotating rod, a lifting block and a telescopic block, a first air cylinder is welded to one end of the inner wall of the telescopic block, a telescopic rod is welded to one end of the first air cylinder, a U-shaped block is welded to one end of the telescopic rod, and a clamp block is rotationally connected to one end of the U-shaped block; a supporting column is welded to the end, away from the threaded rotating rod, of the bottom plate, a bearing block is welded to the top end of the supporting column, a small cylinder is connected to the bottom of the bearing block, a cutter handle is welded to the bottom end of the small cylinder, and a cutter block is clamped to the bottom end of the cutter handle. By improving the cutting device for the film winding machine, the cutting device for the film winding machine has the advantages of being reasonable in structural design, adaptive to the sizes of various film winding machines, capable of being automatically connected after winding is completed, capable of cutting packages in a full-automatic mode, even in stress and not prone to wrinkling and damage. Therefore, the problems and defects of the existing device are effectively solved.

Description

Technical Field

[0001] The utility model relates to the field of cutting tools, in particular to a cutting device for a stretch film machine. Background Art

[0002] With the help of the film's super strong winding force and retraction, the stretch film can bundle the products compactly and fixedly into a unit. Even in an unfavorable environment, the products will not be loose or separated, and there are no sharp edges or stickiness to avoid damage. It has good buffer strength, puncture resistance and tear resistance, thin thickness, good performance-price ratio, high tensile strength, tear strength, transparency and good retraction force, pre-stretching ratio of 400%, can be containerized, waterproof, dustproof, anti-scattering and anti-theft, etc., used for pallet wrapping and other wrapping packaging, and is widely used in foreign trade export, bottle and can making, papermaking, hardware and electrical appliances, plastics, chemicals, building materials, agricultural products, food and other industries.

[0003] However, the currently used stretch film machine is an integral structure. After the wrapping is completed, the package will be wrinkled or even damaged due to uneven force, which is extremely inconvenient to use.

[0004] In view of this, research and improvements are conducted on the existing problems, and a cutting device for a stretch film machine is provided. The device has a reasonable structural design and is suitable for the sizes of various stretch film machines. After the wrapping is completed, the device can be automatically connected to cut the package fully automatically. The device has the advantages of uniform force and is not prone to wrinkles and breakage. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a cutting device for a stretch film machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises a conveyor belt 1, two ends of the conveyor belt 1 are welded with a bottom plate 2, the bottom end of the inner wall of the bottom plate 2 is welded with a motor 3, the top of the motor 3 is welded with a threaded rotating rod 4, the outer surface of the threaded rotating rod 4 is sleeved with a lifting block 5, one end of the lifting block 5 is welded with a telescopic block 6, one end of the inner wall of the telescopic block 6 is welded with a cylinder 7, one end of the cylinder 7 is welded with a telescopic rod 8, one end of the telescopic rod 8 is welded with a U-shaped block 9, one end of the U-shaped block 9 is rotatably connected with a clamp block 10, one end of the bottom plate 2 away from the threaded rotating rod 4 is welded with a support column 11, the top of the support column 11 is welded with a load-bearing block 12, the bottom of the load-bearing block 12 is connected with a small cylinder 13, the bottom end of the small cylinder 13 is welded with a tool handle 14, and the bottom end of the tool handle 14 is clamped with a knife block 15.

[0007] As a further description of the above technical solution:

[0008] A bolt fixing ring 16 is sleeved on the outer surface of the support column 11 , and a cutting plate 17 is welded on the outer surface of the bolt fixing ring 16 .

[0009] As a further description of the above technical solution:

[0010] Motor 2 is welded to one end of the inner wall of the U-shaped block 9 , and a fixture block 10 is welded to one end of the motor 2.

[0011] As a further description of the above technical solution:

[0012] The inner wall of the load-bearing block 12 is welded with a second cylinder, and the bottom end of the second cylinder is welded with a small cylinder 13 .

[0013] As a further description of the above technical solution:

[0014] The inner wall of the lifting block 5 is welded with threads, and the lifting block 5 can move vertically on the outer surface of the top end of the threaded rotating rod 4.

[0015] As a further description of the above technical solution:

[0016] The bolt fixing ring 16 is movably connected to the support column 11 , and the cutting plate 17 can move vertically on the outer surface of the support column 11 .

[0017] The utility model has the following beneficial effects:

[0018] In the utility model, by using a conveyor belt, the overall device can be directly equipped with a stretch film machine, which increases the convenience and adaptability of the device; the clamp block clamps the package and can rotate, so that the overall force of the stretch film is evenly applied, and then cutting is performed, which increases the stability and flexibility of the device; the cutting plate can be adjusted so that the cutting of the knife block will not damage the device, which increases the safety and stability of the overall device; the telescopic rod can make the device adapt to various package sizes, which increases the adaptability and stability of the device; the use of the lifting rod can also make the device adapt to various package sizes, which increases the adaptability and stability of the device; the overall device is centrally symmetrical, which increases the stability and safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of a cutting device for a stretch film machine proposed by the utility model;

[0020] Figure 2 This is a front view of a cutting device for a stretch film machine proposed by the utility model;

[0021] Figure 3The utility model discloses a schematic diagram of the clamping connection between a knife handle and a knife block in a cutting device for a stretch film machine.

[0022] Legend:

[0023] 1. Conveyor belt; 2. Bottom plate; 3. Motor 1; 4. Threaded rotating rod; 5. Lifting block; 6. Telescopic block; 7. Cylinder 1; 8. Telescopic rod; 9. U-shaped block; 10. Clamp block; 11. Support column; 12. Load-bearing block; 13. Small cylinder; 14. Knife handle; 15. Knife block; 16. Bolt fixing ring; 17. Cutting board. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Reference Figure 1-3The utility model provides an embodiment: it includes a conveyor belt 1, and the two ends of the conveyor belt 1 are welded with a bottom plate 2, which increases the stability and flexibility of the device; the bottom end of the inner wall of the bottom plate 2 is welded with a motor 3, and the top of the motor 3 is welded with a threaded rotating rod 4, which increases the stability and safety of the device; the outer surface of the threaded rotating rod 4 is sleeved with a lifting block 5, and one end of the lifting block 5 is welded with a telescopic block 6, which increases the convenience and adaptability of the device; one end of the inner wall of the telescopic block 6 is welded with a cylinder 7, and one end of the cylinder 7 is welded with a telescopic rod 8, so A U-shaped block 9 is welded to one end of the telescopic rod 8, which increases the stability and flexibility of the device; a clamp block 10 is rotatably connected to one end of the U-shaped block 9, and a support column 11 is welded to the end of the base plate 2 away from the threaded rotating rod 4, which increases the convenience and adaptability of the device; a load-bearing block 12 is welded to the top of the support column 11, and a small cylinder 13 is connected to the bottom of the load-bearing block 12, and a tool handle 14 is welded to the bottom end of the small cylinder 13, which increases the stability and safety of the device; a knife block 15 is clamped at the bottom end of the tool handle 14, which increases the adaptability and stability of the device.

[0027] Specifically, a bolt fixing ring 16 is sleeved on the outer surface of the support column 11, and a cutting plate 17 is welded on the outer surface of the bolt fixing ring 16, which increases the convenience and adaptability of the device.

[0028] Specifically, one end of the inner wall of the U-shaped block 9 is welded with the motor 2, and one end of the motor 2 is welded with a fixture block 10, which increases the stability and safety of the device.

[0029] Specifically, a second cylinder is welded to the inner wall of the load-bearing block 12, and a small cylinder 13 is welded to the bottom end of the second cylinder, which increases the stability and flexibility of the device.

[0030] Specifically, the inner wall of the lifting block 5 is welded with threads, and the lifting block 5 can move vertically on the outer surface of the top end of the threaded rotating rod 4, which increases the convenience and adaptability of the device.

[0031] Specifically, the bolt fixing ring 16 is movably connected to the support column 11, and the cutting plate 17 can move vertically on the outer surface of the support column 11, thereby increasing the stability and flexibility of the device.

[0032] Working principle: Connect the conveyor belt 1 directly to the stretch film machine, adjust the bolt fixing ring 16 to make the cutting plate 17 reach the ideal height, when the package reaches the upper surface of the conveyor belt 1, the motor 3 starts to work, the threaded rotating rod 4 rotates, and the lifting block 5 reaches the appropriate height. The cylinder 7 on the inner wall of the telescopic block 6 starts to work, and the telescopic rod 8 moves horizontally, so that the clamp block 10 can clamp the package, the motor 2 on the inner wall of the U-shaped block 9 starts to work, the clamp block 10 starts to rotate, and the cylinder 2 on the inner wall of the load-bearing block 12 drives the small cylinder 13 and the knife handle 14 to move vertically, and the knife block 15 can cut the stretch film.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutting device for a stretch film machine, comprising a conveyor belt (1), characterized in that: The conveyor belt (1) is welded with a bottom plate (2) at both ends, a motor (3) is welded at the bottom end of the inner wall of the bottom plate (2), a threaded rotating rod (4) is welded at the top end of the motor (3), a lifting block (5) is sleeved on the outer surface of the threaded rotating rod (4), a telescopic block (6) is welded at one end of the lifting block (5), a cylinder (7) is welded at one end of the inner wall of the telescopic block (6), a telescopic rod (8) is welded at one end of the cylinder (7), a U-shaped block (9) is welded at one end of the telescopic rod (8), and the U-shaped One end of the block (9) is rotatably connected to a fixture block (10); one end of the bottom plate (2) away from the threaded rotating rod (4) is welded to a support column (11); the top of the support column (11) is welded to a load-bearing block (12); the bottom of the load-bearing block (12) is connected to a small cylinder (13); the bottom end of the small cylinder (13) is welded to a tool holder (14); the bottom end of the tool holder (14) is clamped with a knife block (15); the inner wall of the load-bearing block (12) is welded to a second cylinder; the bottom end of the second cylinder is welded to a small cylinder (13).

2. The cutting device for a stretch film machine according to claim 1, characterized in that: A bolt fixing ring (16) is sleeved on the outer surface of the support column (11), and a cutting plate (17) is welded to the outer surface of the bolt fixing ring (16).

3. The cutting device for a stretch film machine according to claim 1, characterized in that: Motor 2 is welded to one end of the inner wall of the U-shaped block (9), and a fixture block (10) is welded to one end of motor 2.

4. The cutting device for a stretch film machine according to claim 1, characterized in that: The inner wall of the lifting block (5) is welded with a thread, and the lifting block (5) is capable of vertically moving on the outer surface of the top end of the threaded rotating rod (4).

5. The cutting device for a stretch film machine according to claim 2, characterized in that: The bolt fixing ring (16) is movably connected to the support column (11), and the cutting plate (17) is capable of vertically moving on the outer surface of the support column (11).

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