CN216634622U

CN216634622U - Cutting device for producing PE plastic bags

Info

Publication number: CN216634622U
Application number: CN202123410230.XU
Authority: CN
Inventors: 周勇; 贾培龙
Original assignee: Mingda Plastic Technology Suzhou Co ltd
Current assignee: Mingda Plastic Technology Suzhou Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a cutting device for PE plastic bag production, which comprises: a cutting assembly for cutting the plastic bag; a pulling assembly for pulling the plastic bag towards the cutting assembly: an adjustment assembly for adjusting the height of the tow assembly; and the balancing component is used for keeping the balance of the adjusting components on the two sides. When the height of the traction assembly needs to be adjusted, the hand wheel is shaken at the moment, the hand wheel drives the sliding block to lift through the threaded rod, the sliding block drives the side frame on one side to lift, the sliding block drives the balance rack to move up and down through the connecting rod in the lifting process, the balance rack drives the balance gears to rotate, and the two balance gears are synchronized through the balance shaft, so that the side frames on the two sides keep lifting synchronously.

Description

Cutting device for producing PE plastic bags

Technical Field

The utility model relates to the technical field of plastic bag production, in particular to a cutting device for PE plastic bag production.

Background

The plastic bag as a storage article brings convenience to our lives, and becomes an essential product. The annual output of plastic bags in China reaches 3000 ten thousand tons, and plastic bags often need a plurality of devices in the processing and manufacturing process, and a cutting device is one of the devices.

The existing plastic bag cutting device needs to pull the plastic bag, the traction mechanism can be adjusted according to the thickness of the plastic bag, and the balance of two sides of the traction mechanism cannot be kept by the existing adjusting mode, so that the plastic bag inclines when entering the cutting machine, and the cut inclines and the product folds are made.

Therefore, how to provide a cutting device for PE plastic bag production to solve the problems in the prior art is of great significance to the application.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a cutting device for PE plastic bag production, so as to solve the problem that the existing adjustment method cannot keep balance of two sides of the traction device, so that the plastic bag tilts when entering into cutting, so that the cut tilts and the product wrinkles.

In order to achieve the purpose, the utility model provides the following technical scheme:

a cutting device for PE plastic bag production comprises:

cutting off the assembly: used for cutting off the plastic bag;

a traction assembly: the plastic bag conveying device is used for drawing the plastic bag to be conveyed to the cutting assembly;

the adjusting assembly is used for adjusting the height of the traction assembly and comprises a second support, a sliding block, a threaded rod and a hand-operated wheel, the second support is connected with the sliding block in a sliding mode, the threaded rod is connected with the sliding block in a threaded mode, and the top end of the threaded rod is fixedly connected with the hand-operated wheel;

the balance assembly is used for keeping the balance of the two-side adjusting assembly and comprises a supporting block, a balance shaft, a connecting rod, a balance gear and a balance rack, a sliding groove is formed in one side of the second support, the connecting rod is connected with the sliding groove in a sliding mode, the two ends of the connecting rod are fixedly connected with a sliding block and the balance rack respectively, the supporting block is fixedly connected with the second support, the balance gear is installed at the two ends of the balance shaft and is rotatably connected with the balance gear, and the balance gear is meshed with the balance rack.

As a preferred technical scheme of the utility model, the cutting assembly comprises a bottom plate, a first support, a cutter, a cylinder and a lower cutter, wherein the first support is arranged on one side of the top end of the bottom plate, the cylinder is arranged on the top end of the first support, the cutter is arranged at the telescopic end of the cylinder, the lower cutter is fixedly connected with the bottom plate, and the lower cutter is positioned under the cutter.

According to a preferable technical scheme of the utility model, the traction assembly comprises a side frame, a driving roller, a compression roller, a traction belt and a motor, wherein the side frame is fixedly connected with a sliding block, the compression roller and the driving roller are respectively installed at two ends of the side frame, the compression roller and the driving roller are in transmission connection through the traction belt, the motor is installed at one side of the side frame, and the motor is in transmission connection with the driving roller.

In a preferred embodiment of the present invention, the driving roller and the bottom end of the pressing roller are flat, and the top end of the traction belt is parallel to the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model keeps the two sides of the traction assembly balanced by arranging the balance assembly, when the height of the traction assembly needs to be adjusted, the hand wheel is shaken, the hand wheel drives the sliding block to lift through the threaded rod, the sliding block drives the side frame on one side to lift, the sliding block drives the balance rack to move up and down through the connecting rod in the lifting process, the balance rack drives the balance gears to rotate, and the two balance gears are synchronized through the balance shaft, so that the side frames on the two sides keep lifting synchronously.

2. According to the plastic bag cutting machine, the traction assembly utilizes the downward pressing type conveying belt to carry out traction, so that the contact area between the conveying belt and a plastic bag is increased, the feeding is more stable, the cutting quality is good, and the cut plastic bags are uniform in length.

The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention.

In the figure: 1. a base plate; 2. a first bracket; 3. a cutter; 4. a cylinder; 5. a hand-operated wheel; 6. a traction belt; 7. a threaded rod; 8. a slider; 9. a second bracket; 10. a balance shaft; 11. supporting a block; 12. a side frame; 13. a motor; 14. a lower cutter; 15. a balance gear; 16. a balance rack; 17. a connecting rod; 18. a chute; 19. a compression roller; 20. and driving the roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

Referring to fig. 1-2, the present invention provides a technical solution of a cutting device for producing PE plastic bags: the method comprises the following steps:

cutting off the assembly: the utility model is used for cutting off the plastic bag, cut off the subassembly and include bottom plate 1, first support 2, cutter 3, cylinder 4 and lower cutter 14, first support 2 is installed in one side on 1 top of bottom plate, cylinder 4 is installed on the top of first support 2, cutter 3 is installed in the flexible end of cylinder 4, lower cutter 14 and bottom plate 1 fixed connection, lower cutter 14 is located cutter 3 under, when removing the plastic bag to the below of lower cutter 14, cylinder 4 drives cutter 3 downstream this moment, thereby cut off the plastic bag.

A traction assembly: the plastic bag cutting device is used for dragging a plastic bag to be conveyed to the cutting assembly, the dragging assembly comprises a side frame 12, a driving roller 20, a pressing roller 19, a dragging belt 6 and a motor 13, the pressing roller 19 and the driving roller 20 are respectively installed at two ends of the side frame 12, the pressing roller 19 is in transmission connection with the driving roller 20 through the dragging belt 6, the motor 13 is installed on one side of the side frame 12, the motor 13 is in transmission connection with the driving roller 20, the driving roller 20 is flat with the bottom end of the pressing roller 19, the top end of the dragging belt 6 is parallel to the bottom plate 1, the motor 13 is started, the motor 13 drives the driving roller 20 to rotate, the driving roller 20 drives the pressing roller 19 to rotate through the dragging belt 6, at the moment, the dragging belt 6 contacts the plastic bag, and then the plastic bag is driven to be conveyed.

The adjusting part is used for adjusting the height of the traction part and comprises a second support 9, a sliding block 8, a threaded rod 7 and a hand wheel 5, the second support 9 is in sliding connection with the sliding block 8, the threaded rod 7 is in threaded connection with the sliding block 8, the top end of the threaded rod 7 is fixedly connected with the hand wheel 5, a side frame 12 is fixedly connected with the sliding block 8, the hand wheel 5 is shaken, the hand wheel 5 drives the sliding block 8 to lift through the threaded rod 7, the sliding block 8 drives the side frame 12 on one side to lift, and the height of the traction part is adjusted.

Balance assembly for keep both sides regulating assembly balanced, including a piece 11, balanced axle 10, connecting rod 17, balance gear 15 and balanced rack 16, spout 18 has been seted up to one side of compression roller 19, connecting rod 17 and spout 18 sliding connection, the both ends of connecting rod 17 respectively with slider 8 and balanced rack 16 fixed connection, a piece 11 and second support 9 fixed connection, balance gear 15 is installed in the both ends of balanced axle 10, a piece 11 rotates with balance gear 15 to be connected, balance gear 15 is connected with balanced rack 16 meshing.

In the embodiment, the slider 8 drives the balance rack 16 to move up and down through the connecting rod 17 in the lifting process, the balance rack 16 drives the balance gears 15 to rotate, the two balance gears 15 synchronously rotate through the balance shaft 10, so that the side frames 12 on two sides keep synchronous lifting, the two ends of the traction assembly can be kept synchronously lifted, the plastic bags conveyed to the cutting assembly are prevented from inclining or wrinkling, the notches are prevented from inclining, and the cutting quality is greatly improved

When the plastic bag cutting device is used, the hand-operated wheel 5 is shaken, the hand-operated wheel 5 drives the sliding block 8 to lift through the threaded rod 7, the sliding block 8 drives the side frame 12 on one side to lift, so that the height of the traction assembly is adjusted, the sliding block 8 drives the balance rack 16 to move up and down through the connecting rod 17 in the lifting process, the balance rack 16 drives the balance gear 15 to rotate, and the two balance gears 15 synchronously rotate through the balance shaft 10, so that the side frames 12 on the two sides are synchronously lifted.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the utility model, which may be within the spirit and principle of the utility model, by conventional substitution or may realize the same function.

Claims

1. The utility model provides a cutting device for PE plastic bag production which characterized in that: the method comprises the following steps:

cutting off the assembly: used for cutting off the plastic bag;

a traction assembly: the plastic bag is pulled to be conveyed to the cutting assembly;

the adjusting assembly is used for adjusting the height of the traction assembly and comprises a second support (9), a sliding block (8), a threaded rod (7) and a hand-operated wheel (5), the second support (9) is in sliding connection with the sliding block (8), the threaded rod (7) is in threaded connection with the sliding block (8), and the top end of the threaded rod (7) is fixedly connected with the hand-operated wheel (5);

balance assembly for keep both sides regulating assembly balanced, including a piece (11), balanced axle (10), connecting rod (17), balanced gear (15) and balanced rack (16), spout (18) have been seted up to one side of second support (9), connecting rod (17) and spout (18) sliding connection, the both ends of connecting rod (17) respectively with slider (8) and balanced rack (16) fixed connection, a piece (11) and second support (9) fixed connection, install in the both ends of balanced axle (10) balanced gear (15), a piece (11) rotates with balanced gear (15) to be connected, balanced gear (15) are connected with balanced rack (16) meshing.

2. A cutting apparatus for PE plastic bag production as set forth in claim 1, wherein: the cutting-off assembly comprises a bottom plate (1), a first support (2), a cutter (3), a cylinder (4) and a lower cutter (14), the first support (2) is installed on one side of the top end of the bottom plate (1), the cylinder (4) is installed on the top end of the first support (2), the cutter (3) is installed at the telescopic end of the cylinder (4), the lower cutter (14) is fixedly connected with the bottom plate (1), and the lower cutter (14) is located under the cutter (3).

3. A cutting apparatus for PE plastic bag production as set forth in claim 1, wherein: the traction assembly comprises a side frame (12), a driving roller (20), a compression roller (19), a traction belt (6) and a motor (13), the side frame (12) is fixedly connected with a sliding block (8), the compression roller (19) and the driving roller (20) are respectively installed at two ends of the side frame (12), the compression roller (19) and the driving roller (20) are in transmission connection through the traction belt (6), the motor (13) is installed on one side of the side frame (12), and the motor (13) is in transmission connection with the driving roller (20).

4. A cutting apparatus for PE plastic bag production as set forth in claim 3, wherein: the bottom ends of the driving roller (20) and the pressing roller (19) are flat, and the top end of the traction belt (6) is parallel to the bottom plate (1).