CN215790345U

CN215790345U - Novel accurate high-speed plastic film of cam-type cuts hole on line device

Info

Publication number: CN215790345U
Application number: CN202122154629.XU
Authority: CN
Inventors: 燕峻杰; 燕林建
Original assignee: Laiwu Brave Bull Plastic Machinery Co ltd
Current assignee: Laiwu Brave Bull Plastic Machinery Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-11
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to a novel cam type precise high-speed plastic film online hole cutting device which comprises a cam type eccentric roller and a cutter, wherein the cam type eccentric roller is positioned on one side of a film, the cutter is positioned on the other side of the film, the cam type eccentric roller is tightly attached to the film and can rotate along with the transmission of the film, and the rotation of the cam type eccentric roller can enable the film to contact with or leave the cutter. The film cutting device is simple in structure, a power mechanism is not required to be additionally installed, and the cam type eccentric roller is matched with the cutter by means of transmission power of the film, so that the film cutting operation can be realized.

Description

Novel accurate high-speed plastic film of cam-type cuts hole on line device

Technical Field

The utility model relates to the technical field of film processing equipment, in particular to a novel cam type precise high-speed plastic film online hole cutting device.

Background

In order to keep the ground temperature and the soil humidity, a layer of mulching film is usually covered after crops are sowed so as to improve the seedling emergence speed, the seedlings of the crops cannot naturally penetrate through a plastic film to naturally grow along with the strengthening of national environmental protection policies and the increase of the thickness requirements of the agricultural mulching film products, and in order to facilitate ventilation and prevent the seedlings from being stuffy, the film is required to be perforated at the corresponding positions of the seedlings.

According to the traditional punching method, the film on the production line needs to be wound firstly, then the wound film is wound and then punched, and online punching of the film cannot be realized, so that the overall production efficiency of the product is low. Some online puncher have also appeared on the market at present, generally in film production process, the cutter that utilizes doing the up-and-down motion on the knife rest strikes with fixed chopping block and realizes punching, and long-time impact has caused cutter and chopping block life cycle short, the problem that needs frequent change, and the noise that strikes the production is big moreover, causes operating personnel hearing impaired scheduling problem easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel cam type precise high-speed plastic film online hole cutting device.

The utility model provides a novel cam type precise high-speed plastic film online hole cutting device, which is realized by the following technical scheme and comprises a cam type eccentric roller positioned on one side of a film and a cutter positioned on the other side of the film, wherein the cam type eccentric roller is tightly attached to the film and can rotate along with the transmission of the film, and the rotation of the cam type eccentric roller can enable the film to contact with or leave the cutter.

Preferably, the film is transmitted along the tangential direction of first deflector roll and second deflector roll, and first deflector roll, second deflector roll and cutter are located the homonymy of film, the cutter is located between first deflector roll and the second deflector roll.

Preferably, the number of the cutters is one to more, the cutters are detachably mounted on a cutter shaft, and the cutter shaft is parallel to the cam type eccentric roller. The cutter is detachably mounted on the cutter shaft, the position of the cutter can be adjusted as required, and the number of the cutters and the distance between the cutters are adjusted according to different types of planted crops so as to meet the requirements of different crop row spacing.

Preferably, two ends of the cutter shaft are fixed on the frame.

Preferably, the cutter is fixed on the cutter holder, the cutter holder is of an annular structure, and the cutter holder is sleeved on the cutter shaft and is tightly pressed and fixed through a pressing screw rod.

Preferably, the jacking screw rod penetrates through the cutter holder along the diameter direction of the cutter holder and is in threaded connection with the cutter holder. The position of the cutter holder and the cutter can be adjusted by loosening and tightening the jacking screw rod.

Preferably, a plurality of circles of slit grooves are formed in the cam type eccentric roller, and the cutter is installed corresponding to the slit grooves. When the cam type eccentric roller rotates to enable the film to contact the cutter, the cutter performs cutting on the film at the gap groove of the cam type eccentric roller, and cutter damage caused by rigid contact between the cutter and the cam type eccentric roller is avoided.

Preferably, both ends of the cam type eccentric roller are rotatably arranged on the frame.

Preferably, two ends of the cam type eccentric roller are respectively installed on bearing blocks, and the bearing blocks are fixedly installed on the machine frame.

The utility model has the beneficial effects that:

1. the film cutting device is simple in structure, a power mechanism is not required to be additionally installed, the cam type eccentric roller is matched with the cutter by means of transmission power of the film, the film cutting operation can be achieved, and production cost is reduced.

2. In the transmission process of film production, realize online joint-cutting through the cutter, solved present non-online punching and lead to the problem that production efficiency is low, increased substantially production efficiency.

3. The grooving mode solves the problem that the conventional impact punching tool is short in service life, and reduces production and maintenance cost.

4. The utility model has the advantages that a cutting seam is left on the film at the moment when the cutter is contacted with the film, the production and operation processes are more accurate, more stable and faster, the problem of high noise is solved, the cutting seam has uniform size, the cutting seam has smooth appearance and small deformation, and the practical value is high.

Drawings

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

FIG. 2 is a schematic front view of the cam-type eccentric roller of the present invention;

FIG. 3 is a schematic diagram of the principle structure of the film of the present invention passing through the high point of the cam eccentric roller;

FIG. 4 is a schematic diagram of the principle structure of the film of the present invention passing through the cam eccentric roller at a non-high point;

shown in the figure:

1. the film, 2, cam type eccentric roller, 3, cutter, 4, arbor, 5, blade holder, 6, first deflector roll, 7, second deflector roll, 8, gap recess, 9, frame.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1, 3 and 4, the utility model comprises a cam type eccentric roller 2 positioned on one side of a film 1 and a cutting knife 3 positioned on the other side of the film 1, wherein the cam type eccentric roller 2 is tightly attached to the film 1 and can rotate along with the transmission of the film 1, and the cam type eccentric roller 2 rotates to enable the film 1 to contact or leave the cutting knife 3. The number of the cutters 3 is one to multiple, the cutters 3 are detachably mounted on the cutter shaft 4, and the cutter shaft 4 is parallel to the cam type eccentric roller 2. Cutter 3 demountable installation can adjust the position of cutter 3 as required on arbor 4, according to the difference of planting crops kind, adjusts the quantity of cutter 3 and the distance between the cutter 3 to satisfy the needs of different crops row spacing.

The cutter 3 is fixed on the cutter holder 5, the cutter holder 5 is of an annular structure, and the cutter holder 5 is sleeved on the cutter shaft 4 and is tightly fixed through a jacking screw rod. The tight screw rod in top runs through blade holder 5 and with blade holder 5 threaded connection along 5 diameter direction of blade holder, through the tight screw rod in the top of the pine soon, can realize the position control of blade holder 5 and cutter 3.

Film 1 transmits along the tangential direction of first deflector roll 6 and second deflector roll 7, and first deflector roll 6, second deflector roll 7 and cutter 3 are located the homonymy of film 1, cutter 3 is located between first deflector roll 6 and the second deflector roll 7.

As shown in fig. 2, a plurality of circles of slit grooves 8 are formed in the cam-type eccentric roller 2, the cutter 3 is installed corresponding to the slit grooves 8, and when the cam-type eccentric roller 2 rotates to enable the film 1 to contact the cutter 3, the cutter 3 performs slitting on the film 1 at the slit grooves 8 of the cam-type eccentric roller 2, so that the cutter damage caused by hard contact between the cutter 3 and the cam-type eccentric roller 2 is avoided.

Two ends of the cam type eccentric roller 2 are rotatably arranged on the frame 9, two ends of the cam type eccentric roller 2 are respectively arranged on bearing blocks, and the bearing blocks are fixedly arranged on the frame 9. And two ends of the cutter shaft 4 are fixed on the frame 9.

During the specific work, the film 1 moves along the tangent direction of the first guide roller 6 and the second guide roller 7 in the production process, the film 1 is tightly attached to the cam type eccentric roller 2, the film 1 drives the cam type eccentric roller 2 to rotate along with the transmission of the film 1 through the tension effect, when the high point of the cam type eccentric roller 2 is in contact with the film 1, the film 1 is in contact with the cutter 3 at the moment, the cutting seams are formed on the film 1, when the cam type eccentric roller 2 rotates to a non-high point, the film 1 is separated from the cutter 3 to keep the film 1 in an original state (without forming the cutting seams), and the repeated movement is carried out, so that the cutting seams are formed on the film 1 one by one, the cutting seams are accurate in position, and the length of the cutting seams and the distance between the cutting seams are stable.

The utility model has simple structure, does not need to be additionally provided with a power mechanism, and can realize the cutting operation of the film 1 by matching the cam type eccentric roller 2 with the cutter 3 by means of the transmission power of the film 1; in the transmission process of the production of the film 1, the cutter 3 realizes on-line joint cutting, thus solving the problem of low production efficiency caused by the existing off-line punching and greatly improving the production efficiency; the grooving mode solves the problem that the conventional impact punching tool is short in service life, and reduces the production and maintenance cost; in the utility model, a cutting seam is left on the film 1 at the moment when the cutter 3 is contacted with the film 1, the production and operation process is more accurate, more stable and faster, the problem of high noise is solved, the cutting seam has uniform size, the cutting seam has smooth appearance and small deformation, and the practical value is high.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel accurate high-speed plastic film of cam-type cuts hole on line device which characterized in that: the film cutting machine comprises a cam type eccentric roller and a cutter, wherein the cam type eccentric roller is positioned on one side of a film, the cutter is positioned on the other side of the film, the cam type eccentric roller is tightly attached to the film and can rotate along with the transmission of the film, and the rotation of the cam type eccentric roller can enable the film to contact with or leave the cutter.

2. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: the film is transmitted along the tangential direction of first deflector roll and second deflector roll, and first deflector roll, second deflector roll and cutter are located the homonymy of film, the cutter is located between first deflector roll and the second deflector roll.

3. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: the number of the cutters is one to more, the cutters are detachably mounted on the cutter shaft, and the cutter shaft is parallel to the cam type eccentric roller.

4. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: two ends of the cutter shaft are fixed on the frame.

5. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: the cutter is fixed on the cutter holder, the cutter holder is of an annular structure, and the cutter holder is sleeved on the cutter shaft and is tightly fixed through a jacking screw rod.

6. The novel cam type precise high-speed plastic film online hole cutting device according to claim 5, is characterized in that: the jacking screw rod penetrates through the cutter holder along the diameter direction of the cutter holder and is in threaded connection with the cutter holder.

7. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: a plurality of circles of gap grooves are formed in the cam type eccentric roller, and the cutters are installed corresponding to the gap grooves.

8. The novel cam type precise high-speed plastic film online hole cutting device is characterized in that: and two ends of the cam type eccentric roller are rotatably arranged on the frame.

9. The novel cam type precise high-speed plastic film online hole cutting device according to claim 8, characterized in that: two ends of the cam type eccentric roller are respectively arranged on bearing blocks, and the bearing blocks are fixedly arranged on the rack.