CN221874596U - Lateral opening device for plastic packaging bag - Google Patents

Abstract

The utility model discloses a lateral opening device for a plastic packaging bag, comprising a base, an upper surface of the base is fixedly connected with a side plate, an upper surface of the side plate is fixedly connected with a top plate, an inner surface of the top plate is rotatably connected with a threaded column, a side surface of the threaded column is threadedly connected with a threaded sleeve, an output end of the motor is fixedly connected with a rotating shaft, a left end of the rotating shaft is fixedly connected with a cutter head, an upper surface of the lifting plate is fixedly connected with a limiting rod and a clamping mechanism, the clamping mechanism comprises a slide block, a connecting block, a lower clamping plate, a positioning slide column, an upper clamping plate, a spring, a positioning bolt and a handle, through the clamping mechanism, the plastic packaging bag can be protected from being cut when it is opened laterally, the cutter head is protected from being damaged, the service life of the equipment is extended, and the device can be adjusted according to the size of the plastic bag to perform lateral opening on plastic packaging bags of different sizes, with a higher degree of adaptability, thereby improving the functionality of the device.

Description

A side opening device for plastic packaging bags

Technical Field

The utility model relates to the technical field of opening devices, in particular to a lateral opening device for a plastic packaging bag.

Background Art

The side opening of a plastic packaging bag refers to an opening set on the side of the plastic packaging bag to facilitate users to open and take out items from the bag. This design is usually used for packaging of convenience foods, snacks, daily necessities, etc., allowing users to easily take out items while maintaining the integrity of the packaging bag.

In order to prevent the plastic packaging bag from shifting during the reopening process, the existing side opening device for plastic packaging bags generally lays the plastic packaging bag flat on a suction cup or a flat plate, and then uses a cutting knife to cut it. However, this method can easily cause the knife head to pierce the plastic packaging bag and damage the fixing parts below. After searching, it was found that the technical solution provided by the utility model with application number CN202322174290.9 also has the above-mentioned problems.

Utility Model Content

The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a lateral opening device for a plastic packaging bag. Through a clamping mechanism, the plastic packaging bag can be protected from being cut when it is opened laterally, and the cutter head can be protected from being damaged, thereby extending the service life of the equipment. The utility model can also be adjusted according to the size of the plastic bag and can perform lateral opening on plastic packaging bags of different sizes, thereby making them more adaptable and improving the functionality of the device.

The utility model also provides a side opening device for a plastic packaging bag, a base, the upper surface of the base is fixedly connected with a side plate, the upper surface of the side plate is fixedly connected with a top plate, the inner surface of the top plate is rotatably connected with a threaded column, the side surface of the threaded column is threadedly connected with a threaded sleeve, the lower surface of the threaded sleeve is fixedly connected with a lifting plate, the lower surface of the lifting plate is fixedly connected with a fixed block, the inner surface of the fixed block is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the left end of the rotating shaft is fixedly connected with a cutter head, and the upper surface of the lifting plate is fixedly connected with a limiting rod;

The clamping mechanism includes a slider, a connecting block, a lower clamping plate, a positioning slide column, an upper clamping plate, a spring, a positioning bolt and a handle, the upper surface of the slider is fixedly connected to the connecting block, the upper surface of the connecting block is fixedly connected to the lower clamping plate, the inner surface of the lower clamping plate is slidably connected to the positioning slide column, the upper surface of the positioning slide column is fixedly connected to the upper clamping plate, the lower surface of the upper clamping plate is fixedly connected to the spring, the side surface of the positioning bolt is threadedly connected to the slider, and the lower surface of the handle is fixedly connected to the upper clamping plate.

According to the side opening device for a plastic packaging bag, a slide groove is provided inside the side plate, and the inner surface of the slide groove is slidably connected to the limit rod to control the trajectory of the limit rod sliding up and down.

According to the side opening device for a plastic packaging bag, the upper end of the threaded column is fixedly connected to a turning handle, and the side surface of the turning handle is rotatably connected to a bearing for facilitating the rotation of the threaded column.

According to the side opening device for a plastic packaging bag, the lower surface of the upper clamping plate and the upper surface of the lower clamping plate are both fixedly connected with anti-slip strips for preventing the clamped plastic packaging bag from sliding.

According to the lateral opening device for a plastic packaging bag, the lower end of the spring is fixedly connected to the lower clamping plate, and the positioning slide column passes through the interior of the spring.

According to the side opening device for a plastic packaging bag, the motor is electrically connected to an external power source.

According to the side opening device for a plastic packaging bag, a limiting groove is provided inside the base, and the inner surface of the limiting groove is slidably connected to the slider.

According to the side opening device for a plastic packaging bag, the lower surface of the base is fixedly connected with support legs, and the number of the support legs is four and they are distributed in a rectangular array.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments;

FIG1 is an overall structural diagram of a side opening device for a plastic packaging bag according to the present invention;

FIG2 is a schematic diagram of a clamping mechanism of a side opening device for a plastic packaging bag according to the present invention;

FIG3 is a partial structural schematic diagram of a side opening device for a plastic packaging bag according to the utility model;

FIG. 4 is an enlarged schematic diagram of the structure at point A in FIG. 2 .

Legend:

1. Base; 2. Side panel; 3. Top panel; 4. Threaded column; 5. Threaded sleeve; 6. Lifting plate; 7. Fixed block; 8. Motor; 9. Rotating shaft; 10. Cutter head; 11. Limit rod; 12. Slide groove; 13. Turn handle; 14. Bearing; 15. Slider; 16. Connecting block; 17. Lower clamping plate; 18. Positioning slide column; 19. Upper clamping plate; 20. Spring; 21. Positioning bolt; 22. Handle; 23. Anti-slip strip; 24. Support leg.

DETAILED DESCRIPTION

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

1-4, the utility model embodiment of a side opening device for a plastic packaging bag includes a base 1, the upper surface of the base 1 is fixedly connected to a side plate 2, the upper surface of the side plate 2 is fixedly connected to a top plate 3, the inner surface of the top plate 3 is rotatably connected to a threaded column 4, the side surface of the threaded column 4 is threadedly connected to a threaded sleeve 5, the lower surface of the threaded sleeve 5 is fixedly connected to a lifting plate 6, the lower surface of the lifting plate 6 is fixedly connected to a fixed block 7, the inner surface of the fixed block 7 is fixedly connected to a motor 8, the motor 8 is electrically connected to an external power supply, the output end of the motor 8 is fixedly connected to a rotating shaft 9, the left end of the rotating shaft 9 is fixedly connected to a cutter head 10, the upper surface of the lifting plate 6 is fixedly connected to a limiting rod 11, a slide groove 12 is provided inside the side plate 2, the inner surface of the slide groove 12 is slidably connected to the limiting rod 11, the upper end of the threaded column 4 is fixedly connected to a turning handle 13, the side surface of the turning handle 13 is rotatably connected to a bearing 14, and the lower surface of the base 1 is fixedly connected to a supporting leg 24, and the number of the supporting legs 24 is four and they are distributed in a rectangular array.

The clamping mechanism includes a slider 15, a connecting block 16, a lower clamping plate 17, a positioning slide post 18, an upper clamping plate 19, a spring 20, a positioning bolt 21 and a handle 22. The upper surface of the slider 15 is fixedly connected to the connecting block 16, the upper surface of the connecting block 16 is fixedly connected to the lower clamping plate 17, the inner surface of the lower clamping plate 17 is slidably connected to the positioning slide post 18, the upper surface of the positioning slide post 18 is fixedly connected to the upper clamping plate 19, the lower surface of the upper clamping plate 19 is fixedly connected to the spring 20, the side surface of the positioning bolt 21 is threadedly connected to the slider 15, the lower surface of the handle 22 is fixedly connected to the upper clamping plate 19, the lower surface of the upper clamping plate 19 and the upper surface of the lower clamping plate 17 are both fixedly connected with an anti-slip strip 23, the lower end of the spring 20 is fixedly connected to the lower clamping plate 17, the positioning slide post 18 passes through the interior of the spring 20, a limiting groove is provided inside the base 1, and the inner surface of the limiting groove is slidably connected to the slider 15.

Working principle: pull up the two handles 22 to lift the upper clamping plate 19 upwards, then place the plastic packaging bag between the two anti-slip strips 23, pull the lower clamping plate 17 and the upper clamping plate 19 through the spring 20 to clamp the plastic packaging bag, then slide the slider 15 to keep the plastic flat, tighten the positioning bolt 21, so that the lower end of the positioning bolt 21 is in close contact with the base 1, and rely on friction to limit the left and right sliders 15 to keep the position of the plastic packaging bag fixed, then hold the bearing 14 and rotate it, so that the threaded column 4 rotates inside the threaded sleeve 5 and pushes the threaded sleeve 5 downward, start the fixing block 7 to make the cutter head 10 start to rotate and descend, to achieve cutting, and open the plastic packaging bag laterally. Since there is a certain distance between the lower clamping plate 17 and the base 1, the cutter head 10 can only pass through the plastic packaging bag without touching the upper surface of the base 1 when cutting downwards, thereby protecting the equipment, and by moving the distance between the two connecting blocks 16, it can also adapt to plastic packaging bags of different sizes to improve functionality.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (8)

1. A plastic package lateral opening device, comprising: the lifting device comprises a base (1), wherein a side plate (2) is fixedly connected to the upper surface of the base (1), a top plate (3) is fixedly connected to the upper surface of the side plate (2), a threaded column (4) is rotatably connected to the inner surface of the top plate (3), a threaded sleeve (5) is connected to the side surface of the threaded column (4) in a threaded manner, a lifting plate (6) is fixedly connected to the lower surface of the threaded sleeve (5), a fixed block (7) is fixedly connected to the lower surface of the lifting plate (6), a motor (8) is fixedly connected to the inner surface of the fixed block (7), a rotating shaft (9) is fixedly connected to the output end of the motor (8), a cutter head (10) is fixedly connected to the left end of the rotating shaft (9), and a limiting rod (11) is fixedly connected to the upper surface of the lifting plate (6).

The clamping mechanism comprises a sliding block (15), a connecting block (16), a lower clamping plate (17), a positioning sliding column (18), an upper clamping plate (19), a spring (20), a positioning bolt (21) and a handle (22), wherein the upper surface of the sliding block (15) is fixedly connected with the connecting block (16), the upper surface of the connecting block (16) is fixedly connected with the lower clamping plate (17), the inner surface of the lower clamping plate (17) is slidably connected with the positioning sliding column (18), the upper surface of the positioning sliding column (18) is fixedly connected with the upper clamping plate (19), the lower surface of the upper clamping plate (19) is fixedly connected with the spring (20), the side surface of the positioning bolt (21) is in threaded connection with the sliding block (15), and the lower surface of the handle (22) is fixedly connected with the upper clamping plate (19).

2. A plastic packaging bag lateral opening device according to claim 1, characterized in that a chute (12) is arranged in the side plate (2), and the inner surface of the chute (12) is in sliding connection with a limit rod (11).

3. A plastic packaging bag lateral opening device according to claim 1, wherein the upper end of the threaded column (4) is fixedly connected with a rotating handle (13), and the side surface of the rotating handle (13) is rotatably connected with a bearing (14).

4. A lateral opening device for plastic packaging bags according to claim 1, wherein the lower surface of the upper clamping plate (19) and the upper surface of the lower clamping plate (17) are fixedly connected with anti-slip strips (23).

5. A plastic package lateral opening device according to claim 1, wherein the lower end of the spring (20) is fixedly connected with the lower clamping plate (17), and the positioning slide column (18) penetrates through the inside of the spring (20).

6. A plastic package lateral opening device according to claim 1, characterized in that the motor (8) is electrically connected to an external power source.

7. A lateral opening device for plastic packaging bags according to claim 1, wherein a limit groove is arranged in the base (1), and the inner surface of the limit groove is in sliding connection with the sliding block (15).

8. A plastic packaging bag lateral opening device according to claim 1, wherein the lower surface of the base (1) is fixedly connected with supporting legs (24), and the number of the supporting legs (24) is four and distributed in a rectangular array.