CN217455128U

CN217455128U - Chopping block device for punching plastic bags

Info

Publication number: CN217455128U
Application number: CN202221608596.XU
Authority: CN
Inventors: 王海里
Original assignee: Juxian Fulai Ace Plastic Machinery Factory
Current assignee: Juxian Fulai Ace Plastic Machinery Factory
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-20
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a plastic bag is die-cut with chopping block device, which comprises a frame, install the sliding seat in the frame, rotate on the sliding seat and install the carousel, be equipped with on the carousel and receive towards the chopping block, install the rotatory drive wheel in the pivot of carousel, the rotatory drive wheel with be equipped with one way clutch between the pivot, install rotatory cylinder that pulls on the sliding seat, rotatory transmission chain belt is installed to the expansion end of rotatory cylinder that pulls, rotatory transmission chain belt walks around the one end of rotatory drive wheel with be equipped with return power application ware between the sliding seat. The utility model discloses can realize the chopping block small amplitude activity, and simple structure, control is convenient, does benefit to reduction in production cost.

Description

Chopping board device for punching plastic bags

Technical Field

The utility model relates to a plastic bag processing technology field especially relates to a die-cut chopping block device of using of plastic bag.

Background

In the plastic bag processing process, the cut bag blanks with two heat-sealed ends are piled into a pile, and then are uniformly sent to a chopping board, and the W-shaped notches are punched to finish the plastic bag forming. Because the stamping knife is sharper and drives the stamping through a driving cylinder and the like, the stamping knife repeatedly stamps the same position on the chopping board, so that deeper knife marks are easily formed on the chopping board, the knife marks can influence the normal stamping operation, and the service life of the chopping board is reduced.

In order to avoid the occurrence of the deep cutting mark, a method is generally adopted to move the chopping block after each punching, and then the punching cutter can punch different positions of the chopping block each time, so that the chopping block is uniformly punched. And the chopping block removes, mostly arranges the chopping block in a carousel at present, and on a sliding seat was arranged in to the carousel, through die-cut back at every turn, the carousel rotated an angle and overlapped with a distance of sliding seat lateral displacement for die-cut position of die-cutting sword on the chopping block is more random, and the chopping block is from this punched more evenly. Such as the utility model patent with the publication number of "CN 202399567U" and the name of "plastic bag notching machine", and the utility model patent with the publication number of "CN 204020058U" and the name of "plastic bag notching device", etc., are all the above-mentioned structural principles adopted.

The driving of the rotation of the turntable and the transverse displacement of the movable seat belongs to the control of small-amplitude movement, so that the driving is realized by adopting a servo motor or a servo motor matched transmission structure at present. However, the servo motor is a relatively expensive component, and the circuit and control thereof are also somewhat complicated, so that the use of the servo motor will increase the production cost of the chopping board device. Therefore, the chopping board device needs to be further improved to improve the current situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a chopping block device for punching plastic bags is provided, which can realize small-amplitude movement of the chopping block, has simple structure and convenient control and is beneficial to reducing the production cost.

In order to solve the technical problem, the technical scheme of the utility model is that: chopping block device for punching plastic bags, which comprises a frame, install the sliding seat in the frame, it installs the carousel to rotate on the sliding seat, be equipped with on the carousel and receive towards the chopping block, install the rotatory drive wheel in the pivot of carousel, the rotatory drive wheel with be equipped with one-way clutch between the pivot, install rotatory pulling cylinder on the sliding seat, rotatory transmission chain belt is installed to the expansion end of rotatory pulling cylinder, rotatory transmission chain belt walks around the one end of rotatory drive wheel with be equipped with return power of exerting oneself between the sliding seat.

Preferably, the movable seat is mounted on the frame in a sliding manner, and a traverse actuator is arranged between the movable seat and the frame.

As a preferable technical scheme, the transverse moving driver comprises a transverse moving driving motor arranged on the rack, a transverse moving transmission crank is fixedly arranged at the power end of the transverse moving driving motor, and a transverse moving transmission connecting rod is hinged between the free end of the transverse moving transmission crank and the movable seat.

As an optimized technical scheme, two rotary tables are installed on the movable seat, the rotary driving wheels are respectively installed on each rotary table, and the rotary driving chain belt is connected with the return force applicator after bypassing the two rotary driving wheels.

As a preferable technical scheme, the rotary pulling cylinder is an air cylinder, an electric cylinder or a hydraulic cylinder.

Preferably, the return force applicator comprises a return extension spring.

Owing to adopted above-mentioned technical scheme, the chopping block device for the plastic bag is die-cut, which comprises a frame, install the sliding seat in the frame, rotate on the sliding seat and install the carousel, be equipped with on the carousel and receive towards the chopping block, install the rotatory drive wheel in the pivot of carousel, the rotatory drive wheel with be equipped with one way clutch between the pivot, install the rotatory cylinder that pulls on the sliding seat, the rotatory transmission chain belt is installed to the expansion end of rotatory cylinder that pulls, the rotatory transmission chain belt walks around the one end of rotatory drive wheel with be equipped with return power application device between the sliding seat. The utility model discloses a rotatory cylinder that pulls is as rotation drive power, its accessible rotatory drive chain belt pulling the rotary drive wheel rotates, and rotatory cylinder release that pulls is when pulling the action and use, return strength of force application ware can drive the rotary drive wheel is turned back, promptly the action is once stretched and received to rotatory cylinder, a corotation and a reversal can be accomplished to the rotary drive wheel. A one-way clutch is arranged between the rotary driving wheel and the rotating shaft, so that the rotary driving wheel can drive the turntable to rotate when rotating in one direction, and the turntable is not moved when rotating in the opposite direction. Therefore, the rotary pulling cylinder can drive the rotary table and the punched anvil plate on the rotary table to complete rotation in a small-amplitude angle through one-time stretching and retracting action, and the rotary pulling cylinder is simple in structure and convenient to control. And the rotary pulling cylinder, the rotary driving wheel, the rotary driving chain belt, the clutch and the like are all parts with lower price, and compared with a servo motor, the rotary driving chain belt is more beneficial to reducing the production cost.

Drawings

The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention. Wherein:

fig. 1 is a schematic top view of an embodiment of the present invention;

fig. 2 is a schematic view of the structure a-a of fig. 1.

In the figure: 1-a frame; 2-a movable seat; 3, rotating the disc; 31-a rotating shaft; 4-chopping board to be punched; 5-rotating and pulling the cylinder; 51-rotating the drive chain belt; 52-rotating the transmission wheel; 53-return force applicator; 6-one-way clutch; 7-a traverse actuator; 71-traverse driving motor; 72-a traverse transmission crank; 73-a traversing transmission link; 9-punching cutter.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the chopping block device for punching plastic bags comprises a frame 1, wherein a movable seat 2 is installed on the frame 1, a rotary table 3 is installed on the movable seat 2 in a rotating manner, and a punched chopping block 4 is arranged on the rotary table 3. The above structures are well known to those skilled in the art and will not be described herein.

A rotary driving wheel 52 is arranged on the rotating shaft 31 of the turntable 3, and a one-way clutch 6 is arranged between the rotary driving wheel 52 and the rotating shaft 31. Through the arrangement of the one-way clutch 6, when the rotary driving wheel 52 rotates in one direction, the rotary disc 3 can be driven to rotate, and when the rotary driving wheel rotates in the opposite direction, the rotary disc 3 is not moved. The one-way clutch 6 can be realized by a structure capable of realizing one-way combination transmission, such as a one-way clutch 6 bearing, or a ratchet wheel bearing, which are known technologies, and the structural principle of the one-way clutch is not described herein again.

The movable seat 2 is provided with a rotary pulling cylinder 5, the movable end of the rotary pulling cylinder 5 is provided with a rotary transmission chain belt 51, and a return force applicator 53 is arranged between one end of the rotary transmission wheel 52, which is bypassed by the rotary transmission chain belt 51, and the movable seat 2. The rotary pulling cylinder 5 can pull the rotary driving wheel 52 to rotate through the rotary driving chain belt 51, and when the rotary pulling cylinder 5 releases the pulling action, the return force applicator 53 can drive the rotary driving wheel 52 to rotate back, namely, the rotary pulling cylinder 5 stretches and retracts once, and the rotary driving wheel 52 can complete once forward rotation and once reverse rotation. In cooperation with the arrangement of the one-way clutch 6, the rotary pulling cylinder 5 can drive the rotary disc 3 and the punched anvil plate 4 thereon to complete rotation at a small angle by one-time stretching and retracting action.

In this embodiment, when the rotary pulling cylinder 5 is contracted, the rotary driving wheel 52 can rotate the rotary plate 3 and the chopping block through the one-way clutch 6, and when the rotary pulling cylinder 5 is extended, the rotary plate 3 and the punched chopping block 4 do not rotate due to the separation effect of the one-way clutch 6. Of course, conversely, the rotary pulling cylinder 5 extends to drive the rotary table 3 and the punched anvil plate 4 to rotate, and the rotary table and the punched anvil plate do not rotate when being withdrawn, which belongs to the technical means conversion, and the scheme also belongs to the protection scope of the utility model.

In this embodiment, the rotary driving wheel 52 is a sprocket, and the rotary driving chain belt 51 is a chain. Of course, the rotary transmission wheel 52 may be a toothed belt wheel or a belt wheel, and the rotary transmission chain belt 51 may be a toothed belt or a transmission belt. The cylinder is preferably selected by the rotary pulling cylinder 5, so that the matching of an air compressor is facilitated, the cost is reduced, and an electric cylinder or a hydraulic cylinder can be replaced and used on other occasions. The return force applicator 53 comprises a return extension spring, although other elastically retractable structures, such as a spring plate, a pneumatic rod, etc., are also possible.

This embodiment install two on the sliding seat 2 carousel 3, each install respectively on the carousel 3 rotatory drive wheel 52, rotatory drive chain belt 51 walks around two behind the rotatory drive wheel 52 with return power application ware 53 is connected and is set up, one promptly rotatory cylinder 5 and one of pulling rotatory drive chain belt 51 can drive a plurality ofly carousel 3 takes place the rotation of small-amplitude, compares the setting of a chopping block motor, and manufacturing cost can further reduce.

In this embodiment, the movable seat 2 is installed on the rack 1 in a transverse sliding manner, and a transverse moving driver 7 is arranged between the movable seat 2 and the rack 1. The movable seat 2 is driven by the transverse movement driver 7 to transversely move, and can be matched with the rotation of the rotary disc 3 to form the superposition motion of the punched anvil plate 4, so that the punched anvil plate 4 is uniformly punched, and the service life is prolonged.

Preferably, the traverse actuator 7 comprises a traverse driving motor 71 installed on the rack 1, a traverse transmission crank 72 is fixedly arranged at a power end of the traverse driving motor 71, and a traverse transmission link 73 is hinged between a free end of the traverse transmission crank 72 and the movable seat 2. That is, the traverse driving motor 71 of the present embodiment drives the movable base 2 to traverse through the crank-slider mechanism, and can reciprocate the traverse path. The transverse moving direction can be flexibly arranged according to actual needs. On the basis of the above structure, the traverse actuator 7 may be configured to realize the lateral displacement of the anvil plate 4 by using a traverse driving motor 71 in cooperation with rack-and-pinion transmission, or a traverse driving motor 71 in cooperation with screw transmission, or the like. Of course, the traverse driving motor 71 is preferably a servomotor.

In the embodiment, after each punching, in the traverse actuator 7, the traverse driving motor 71 drives the traverse transmission crank 72 to rotate for an angle, the traverse transmission crank 72 pulls the movable seat 2 to complete a small-amplitude transverse displacement, and the punched anvil plate 4 is subjected to a small-amplitude transverse displacement. The rotary pulling cylinder 5 pulls the rotary driving wheel 52 at the same time, so that the rotary table 3 and the punched anvil plate 4 rotate in a small range, the rotation range is easy to realize by directly setting the stroke of the rotary pulling cylinder 5, and complex induction and control are not needed; the rotary cylinder 5 is then returned. The punched anvil plate 4 finally undergoes the superimposed movement of small-amplitude transverse displacement and small-amplitude rotation. After each punching is finished, the moving action is carried out, so that the punched position on the punched anvil plate 4 is more random, the punched position is more uniform, and the service life is prolonged. In the rotation driving of the embodiment, the rotation driving is realized by adopting the rotation pulling cylinder 5 and matching with the rotation driving chain belt 51, the rotation driving wheel 52, the one-way clutch 6 and the like, which belong to parts with lower price, and the connection and the control are very simple, thus being beneficial to reducing the production cost.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Cutting board device for plastic bag punching, which comprises a frame, install the sliding seat in the frame, the last rotation of sliding seat installs the carousel, be equipped with on the carousel and receive towards chopping board, its characterized in that: the rotary driving device is characterized in that a rotary driving wheel is mounted on a rotating shaft of the rotary table, a one-way clutch is arranged between the rotary driving wheel and the rotating shaft, a rotary pulling cylinder is mounted on the movable seat, a rotary driving chain belt is mounted at the movable end of the rotary pulling cylinder, and the rotary driving chain belt bypasses one end of the rotary driving wheel and a return force applicator is arranged between the movable seats.

2. A chopping block apparatus for cutting plastic bags according to claim 1, wherein: the movable seat is transversely installed on the rack in a sliding mode, and a transverse moving driver is arranged between the movable seat and the rack.

3. A chopping block apparatus for cutting plastic bags according to claim 2, wherein: the transverse moving driver comprises a transverse moving driving motor arranged on the rack, a transverse moving transmission crank is fixedly arranged at the power end of the transverse moving driving motor, and a transverse moving transmission connecting rod is hinged between the free end of the transverse moving transmission crank and the movable seat.

4. A chopping block apparatus for cutting plastic bags according to claim 1, wherein: the movable seat is provided with two rotary tables, each rotary table is provided with a rotary driving wheel, and the rotary driving chain belt is connected with the return force applicator after bypassing the two rotary driving wheels.

5. A chopping block apparatus for cutting plastic bags according to claim 1, wherein: the rotary pulling cylinder is an air cylinder, an electric cylinder or a hydraulic cylinder.

6. A chopping block apparatus for cutting plastic bags according to claim 1, wherein: the return force applicator comprises a return extension spring.