CN111847071A

CN111847071A - Plastic film tear line processingequipment

Info

Publication number: CN111847071A
Application number: CN201910338946.1A
Authority: CN
Inventors: 旷奇章
Original assignee: Guangzhou Jinzhang Plastic Products Co ltd
Current assignee: Guangzhou Jinzhang Plastic Products Co ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-10-30

Abstract

The invention provides a plastic film tear line processing device, which comprises a rack, a tear line processing module and a traction module, wherein the rack is provided with a plurality of guide rails; the tear line processing module comprises a pair of mounting seats, a preset number of guide rollers and a preset number of groups of cutting assemblies, wherein a track rod is arranged on the pair of mounting seats in a sliding mode, at least one group of cutting assemblies are arranged on the track rod and can be adjusted along the track rod, the plastic film penetrates through the tear line under the traction of the traction module to realize continuous cutting of the tear line in the linear direction, and a plurality of tear lines can be processed on the plastic film simultaneously through the selection of the number of the cutting assemblies. The invention has simple structure, good adjustability, convenient maintenance and low cost, realizes the continuous cutting in the linear direction and greatly improves the processing efficiency of the tear line.

Description

Plastic film tear line processingequipment

Technical Field

The invention relates to the technical field of plastic film processing devices, in particular to a plastic film tearing line processing device.

Background

The tear line is the dotted line that incompletely cuts off, on plastic film goods commonly used, makes things convenient for people to tear easily when using, guarantees not to damage product itself simultaneously, improves the reuse rate of product, and the tear line can be for the bag body increase an intention tear mouth, brings very big convenience for the life. The general tear line processing relies on the cross cutting machine, utilizes the die-cut processing of membrane cutting machine, because the cross cutting is vertical motion, can't reach continuous processing, and equipment structure itself is complicated, with high costs, maintain inconvenient, and can't realize at linear continuous cutting, machining efficiency is low, consequently needs a section of tear line processingequipment that continuation cutting, with low costs, maintain convenient in the linear direction.

Disclosure of Invention

In view of the above circumstances, the present invention provides a plastic film tear line processing apparatus that has a simple structure, good adjustability, convenient maintenance, and low cost, and realizes continuous cutting of tear lines in a linear direction.

To achieve the above object, the present invention provides a plastic film tear line processing device, which is disposed between a plastic film unwinding device and a plastic film winding device, wherein the plastic film passes through the plastic film tear line processing device to process a tear line, the plastic film winding device completes winding of the plastic film with the tear line, and the plastic film tear line processing device comprises: a frame; the tear line processing module comprises a pair of mounting seats, a preset number of guide rollers and a preset number of groups of cutting assemblies, the mounting seats are symmetrically mounted on two sides of the rack, a track rod is further arranged on the mounting seats along the width direction of the plastic film, the track rods are respectively slidably mounted on the mounting seats, at least one group of cutting assemblies are arranged on the track rod, the cutting assemblies can be adjusted along the track rod and are used for adapting to the plastic films with different widths, and the guide rollers are arranged below the cutting assemblies; and the traction module is arranged on the rack, is arranged at one side close to the plastic film winding device and is used for realizing the traction of the plastic film in the tear line processing module.

Preferably, the track rod is respectively slidably mounted on the pair of mounting seats through a pair of adjusting assemblies, and each of the pair of adjusting assemblies includes: a first rectangular board, a first rectangular hole has been seted up along its length direction on the first rectangular board, first rectangular board is followed plastic film's direction of feed sets up the track pole with between the mount pad, the one end of first rectangular board with the track pole is connected to run through a pair of first bolt subassembly first rectangular hole is adjustable install on the mount pad, be used for realizing the track pole is in the regulation on the plastic film direction of feed, the adjusting part has increased the controllability of cutting assembly, in order to adapt to different products.

Further, still be equipped with a track auxiliary rod on the mount pad, be provided with at least a set of on the track auxiliary rod with adjustable, it is provided with corresponding this cutting assembly below it the guide roll, the track auxiliary rod is parallel the track pole sets up the one end that first rectangular board kept away from the track pole, still be equipped with a second rectangular board between track auxiliary rod and the first rectangular board, a second rectangular board has been seted up relative to first rectangular hole to the second rectangular board, the second rectangular board is installed through the adjustable installation of a closest bolt in this pair of bolt on the first rectangular board for realize the track auxiliary rod is relative the interval adjustment between the first rectangular board, realize many tear lines 'simultaneous processing, improve device's expansibility simultaneously.

Preferably, the pair of mounting seats are respectively provided with a convex sliding groove, the track rod is matched with the convex sliding groove in an adjustable mode through a second bolt assembly and is used for sliding on the mounting seats, and the structure of the convex sliding groove is increased, so that the adjustability of the cutting assembly is improved to adapt to different products.

Furthermore, the mounting seat is further provided with a track auxiliary rod, at least one group of cutting assemblies is adjustably arranged on the track auxiliary rod, the guide rollers are arranged below the cutting assemblies correspondingly, the track auxiliary rod is adjustably matched with the convex sliding grooves through a third bolt, the track auxiliary rod slides on the mounting seat, and the expansibility of the device is improved.

Preferably, the cutting assembly comprises: a knife rest seat, a knife rest and a dotted line wheel cutter, offer the logical chamber of an assembly that is used for the assembly on the knife rest seat, the assembly leads to being provided with a retaining member on the chamber, the knife rest articulates the knife rest seat deviates from one side that the chamber was led to in the assembly, and with the different face of opening direction that the chamber was led to in the assembly is perpendicular, the knife rest is parallel plastics film feed direction extends to both ends, dotted line wheel cutter rotates to be installed in the one end of knife rest, the knife rest seat is in the one side of seting up the chamber is led to in the assembly towards dotted line wheel cutter extends has a boss, be provided with a buffering adjusting part on the boss, the one end that dotted line wheel cutter was kept away from to the knife rest still is equipped with a cam pack, cam pack drive the knife rest makes the cutter select with the plastics film contacts, also can realize the quantity of the participation cutting of selecting cutting part simultaneously, the control of the number of the processing pieces of the tearing line is achieved.

Further, the buffering adjustment assembly comprises an adjusting screw rod and a buffer spring, the adjusting screw rod penetrates through the boss and is in threaded fit with the boss, the buffer spring is arranged between the boss and the cutter frame, one end of the buffer spring is connected with the adjusting screw rod, and the end, far away from the adjusting screw rod, of the buffer spring is connected with the cutter frame so as to improve the adjustability of the cutting assembly, namely, the depth of the cut-in of the virtual wire wheel cutter is adjusted according to different products and different product requirements, and further the processing depth of the tear line is controlled.

Further, the cam subassembly includes a cam and a cam mounting bracket, the cam mounting bracket is installed on the tool rest seat, the cam rotates to be installed on the cam mounting bracket, circumference during its rotation with the cutter frame is tangent, the still outside extension of cam has a rocking handle, utilizes the structural feature drive of cam the cutter frame winds the tool rest seat swing, the rocking handle improves the flexibility of operation.

Still further, be equipped with the tool setting groove of predetermined number of turns on the guide roll, it is convenient virtual line wheel cutter aims at the position of processing the tear line fast.

The invention has the beneficial effects that:

according to the plastic film tear line processing device provided by the invention, the plastic film is actively pulled through the pulling module, the plastic film penetrates through the tear line processing module, the tear lines are continuously processed in the linear direction of the plastic film feeding by the cutting assemblies, a plurality of cutting assemblies can be selected to be arranged on the track rod according to the production requirements of products, so that a plurality of tear lines are processed at one time, meanwhile, the cutting assemblies are arranged on the track rod in an adjustable manner, the plastic film tear line processing device is suitable for processing plastic films with different widths, and the practicability is good; the rail rod is slidably mounted on the mounting seat, so that the rail rod is adjusted on the mounting seat, the cutting positions of the cutting assembly and the plastic film are further adjusted, and the processing of the tear line is more smooth; the invention has simple structure, good adjustability, convenient maintenance and low cost, realizes the continuous cutting in the linear direction and greatly improves the processing efficiency of the tear line.

Meanwhile, the cutting assembly adjusts the depth of the virtual wire wheel cutter cutting into the plastic film through a buffer adjusting assembly, and a buffer spring is arranged to play a buffer role so as to ensure that the plastic film is not damaged during processing; the cam assembly drives the cutter frame to enable the cutter to selectively contact with the plastic film, so that the number of the cutting assemblies participating in cutting is selected, and the control of the number of the processed tear lines is achieved.

Drawings

FIG. 1 is a schematic three-dimensional structure diagram of a plastic film tear line processing apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a cutting assembly according to the present invention;

FIG. 4 is a schematic view of the rail bar mounted to the mounting block via a "male" runner;

in the figure: 1-a rack, 2-a guide roller, 2 a-a pair of knife grooves, 3-a track rod, 4-a track auxiliary rod, 5-a cutting component, 6-a first strip plate, 6 a-a first strip hole, 7-a mounting seat, 7 a-a convex chute, 7 b-a second bolt component, 8-a first bolt component, 9-a second strip plate, 9 a-a second strip hole, 500-a knife rest seat, 500 a-an assembly through cavity, 501-a cam, 502-a rocking handle, 503-a cam mounting rack, 504-a locking screw rod, 505-a locking hand wheel, 506-a limiting plate, 507-an adjusting hand wheel, 508-an adjusting screw rod, 509-a buffer spring, 510-a dotted line wheel cutter, 511-a cutter mounting part and 512-a rotating shaft, 513-hinge shaft, 514-cutter frame.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Example 1:

referring to fig. 1, the plastic film tearing line processing device provided in this embodiment is disposed between a plastic film unwinding device (not shown) and a plastic film winding device (not shown), the plastic film passes through the plastic film tearing line processing device to process a tearing line, and the plastic film winding device (not shown) completes winding of the plastic film with the tearing line; the plastic film tear line processing device comprises: a frame 1, a tear line processing module and a traction module.

Referring to fig. 1 and 2, the tear line processing module includes a pair of mounting seats 7, a predetermined number of guide rollers 2, and a predetermined number of sets of cutting assemblies 5, in this embodiment, the number of the guide rollers 2 is two, and the guide rollers 2 are provided with a predetermined number of tool setting grooves 2a, and the number of the cutting assemblies 5 is four, but the protection scope of the present invention is not limited to the above-defined number, it should be understood that this embodiment is only an example, and thus manufacturers can freely add or add the tear line processing module according to production needs; should install the mount pad 7 symmetry frame 1 both sides, should go up to the mount pad 7 edge plastic film width direction still is provided with a track pole 3, track pole 3 respectively slidable mounting is on this pair of mount pad 7, be provided with at least a set of on the track pole 3 cutting assembly 5 is provided with two on the track pole 3 in this embodiment cutting assembly 5 is provided with two on the track pole 3, cutting assembly 5 can follow track pole 3 is adjusted, realizes two the cutting assembly 5 is in interval control on the track pole 3, and then realizes the distance control of tear line, still realizes the different width of adaptation plastic film, should cutting assembly 5 be provided with one below it guide roll 2.

Wherein, as in fig. 2, the track rod 3 is respectively slidably mounted on the pair of mounting seats 7 through a pair of adjusting components, and the pair of adjusting components each include: a first rectangular plate 6, a first rectangular hole 6a has been seted up along its length direction on the first rectangular plate 6, first rectangular plate 6 along the direction of feed of plastic film sets up track pole 3 with between mount pad 7, the one end of first rectangular plate 6 with track pole 3 is connected to run through a pair of first bolt assembly 8 first rectangular hole 6a is adjustable install on mount pad 7, is used for realizing track pole 3 is in the regulation in the direction of feed of plastic film, the adjusting part has increased the adjustability of cutting component 5 to adapt to different products.

Further, the mounting seat 7 is further provided with a rail auxiliary rod 4, at least one set of the cutting assemblies 5 is adjustably provided on the rail auxiliary rod 4, in this embodiment, two sets of the cutting assemblies 5 are provided, another guide roller 2 is provided below the corresponding cutting assembly 5, the rail auxiliary rod 4 is parallel to the rail rod 3 and is arranged at one end of the first strip plate 6 far away from the rail rod 3, a second strip plate 9 is further provided between the rail auxiliary rod 4 and the first strip plate 6, the second strip plate is provided with a second strip hole 9a corresponding to the first strip hole 6a, the second strip plate 9 is adjustably mounted on the first strip plate 6 through the closest one of the pair of bolts so as to realize the adjustment of the distance between the rail auxiliary rod 4 and the first strip plate 6, realize the simultaneous processing of a plurality of tear lines.

Referring to fig. 1 and 3, the cutting assembly 5 includes: a knife rest seat 500, a knife rest 514 and a dotted line wheel cutter 510, offer on the knife rest seat 500 and be used for the assembly to be in track pole 3 with the logical chamber 500a of an assembly on the track auxiliary rod 4, and with track pole 3 with the adaptation of track auxiliary rod 4, be provided with a retaining member on the logical chamber 500a of assembly, knife rest 514 articulates through a articulated shaft 513 one side that knife rest seat 500 deviates from logical chamber 500a of assembly, and with the different face of opening direction that the logical chamber 500a of assembly is perpendicular, knife rest 514 is parallel plastics film feed direction extends to both ends, dotted line cutter 510 rotates to be installed the one end of knife rest wheel cutter 514, knife rest 514 installation the end arch of dotted line wheel cutter 510 has a cutter installation department 511, dotted line wheel cutter 510 installs through a pivot 512 on cutter installation department 511, the knife rest seat 500 is provided with one side of the assembly through cavity 500a faces the virtual line wheel cutter 510, a boss extends, a buffer adjusting assembly is arranged on the boss, one end of the knife rest 514, which is far away from the virtual line wheel cutter 510, is also provided with a cam assembly, the cam assembly drives the knife rest 514, so that the cutters are selected to be in contact with the plastic film, and meanwhile, the number of cutting components 5 participating in cutting can be selected, and the control of the number of the processing strips of the tearing lines is achieved.

Specifically, the retaining member includes a locking screw 504 and a locking hand wheel 505, the locking hand wheel 505 is disposed on the locking screw 504, so as to manually rotate the locking screw 504 to realize locking or releasing action, the buffering adjustment assembly includes an adjusting hand wheel 507, an adjusting screw 508 and a buffer spring 509, the adjusting screw 508 penetrates through the boss and is in threaded fit with the boss, the adjusting hand wheel 507 is disposed on the adjusting screw 508 so as to facilitate manual adjustment, the buffer spring 509 is disposed between the boss and the cutter frame 514, one end of the buffer spring 509 is connected with the adjusting screw 508, one end far away from the adjusting screw 508 is connected with the cutter frame 514, so as to improve the adjustability of the cutting assembly 5, that is, aiming at different products and different product requirements, by adjusting the depth of cut-in of the virtual wire wheel cutter 510, further controlling the processing depth of the tearing line; the cam subassembly includes a cam 501 and a cam mounting bracket 503, cam mounting bracket 503 is installed on cutter frame seat 500, cam 501 rotates to be installed on cam mounting bracket 503, circumference when it rotates with cutter frame 514 is tangent, cam 501 still outwards extends has a rocking handle 502, utilizes cam 501's structural feature drive cutter frame 514 around cutter frame seat 500 swings, rocking handle 502 improves the flexibility of operation.

Further, the cam 501 is a cylindrical wheel, one side of the cylindrical wheel is removed along the axial direction of the cylindrical wheel, and a plane is formed on the side of the cylindrical wheel, namely, when the plane is contacted with the cutter holder 514, the dotted-line wheel cutter 510 is separated from the contact with the plastic film, otherwise, the dotted-line wheel cutter is kept in contact.

Wherein, the assembly leads to chamber 500a can be directly set up cutter saddle 500, the boss with cutter saddle 500 structure as an organic whole, certainly still in order to be as shown in fig. 3 scheme, wherein the cooperation of leading frame seat and a limiting plate 506 forms the assembly leads to chamber 500a, it extends the section and replaces to go up limiting plate 506 the boss, and this structure can be convenient cutting component 5 is in track pole 3 with installation and dismantlement on the track auxiliary rod 4.

The drawing module comprises a pair of drawing rollers (not shown) which are arranged close to each other, and the plastic film passes through the space between the pair of drawing rollers (not shown) to be in rolling friction with the pair of drawing rollers (not shown) so as to realize drawing.

The embodiment is realized by combining the following drawings:

firstly, manufacturers further have the requirements of the plastic film products of the tear lines to be processed, namely the number of the tear lines, select the number of the cutting assemblies 5, and may not be completed by the cutting assemblies 5 on the rail rod 3 alone due to the influence of the inherent size of the cutting assemblies 5, so that the auxiliary rail rod 4 can be selected to expand to achieve the purpose of processing, and meanwhile, the virtual line wheel cutter 510 is ensured to face the plastic film entering direction when the cutting assemblies 5 are installed, and the processed tear lines are ensured to be more complete.

After selecting the number of the cutting assemblies 5, the plastic film is guided over the guide roller 2, then the positions of the track rod 3 or the track auxiliary rod 4 and the guide roller 2 are adjusted to ensure that the virtual wire wheel cutter 510 is positioned above the guide roller 2, the cutting assemblies 5 are adjusted to ensure that the virtual wire wheel cutter 510 is aligned with the processing position, namely, the alignment groove 2a on the guide roller 2 is preferably aligned, and then the locking hand wheel 505 is rotated to position the cutting assemblies 5.

The rocking handle 502 is rotated to drive the cam 501 to rotate for a preset angle, so that the virtual wire wheel cutter 510 is in contact with the plastic film, and fine adjustment is carried out through the adjusting hand wheel 507 to control the cutting depth.

And performing trial cutting after the adjustment is finished, formally starting the processing when the trial cutting reaches the qualified sample, and otherwise, performing the adjustment.

Example 2:

in this embodiment 2, on the basis of embodiment 1, a scheme that the track rod 3 and the track auxiliary rod 4 are slidably mounted on the pair of mounting seats 7 is changed, other operations are not changed, and the operation principle is the same as that of embodiment 1, which is not repeated and described below, specifically as follows:

referring to fig. 1 and 4, the pair of mounting seats 7 are respectively provided with a "convex" shaped sliding groove 7a, the track rod 3 is adjustably matched with the "convex" shaped sliding groove 7a through a second bolt assembly 7b to realize that the track rod 3 slides on the mounting seat 7, and the structural arrangement of the "convex" shaped sliding groove 7a increases the adjustability of the cutting assembly 5 to adapt to different products.

Further, a rail auxiliary rod 4 is further arranged on the mounting seat 7, at least one group of cutting assemblies 5 is adjustably arranged on the rail auxiliary rod 4, the guide roller 2 is arranged below the corresponding cutting assembly 5, and the rail auxiliary rod 4 is adjustably matched with the convex sliding groove 7a through a third bolt so as to realize that the rail auxiliary rod 4 slides on the mounting seat 7.

The foregoing description is only of particular embodiments of the present invention, but it will be understood by those skilled in the art that the present invention is by way of illustration only, the scope of the present invention being defined by the appended claims. Accordingly, all equivalent changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a plastic film tear line processingequipment, its setting is between a plastic film unwinding device and a plastic film coiling mechanism, plastic film passes plastic film tear line processingequipment processes out the tear line, plastic film coiling mechanism accomplishes and has the tear line plastic film's rolling, its characterized in that, plastic film tear line processingequipment includes:

a frame;

A tear line processing module, including a pair of mount pads, guide rollers of the predetermined quantity and cutting assemblies of the predetermined group number, the mount pads of this pair are installed symmetrically in the both sides of said framework, there is a rail pole on this mount pad of this pair along the width direction of said plastic film, the said rail pole is installed on this mount pad slidably respectively, there are at least one stated cutting assemblies on the said rail pole, the said cutting assembly can be adjusted along the said rail pole, in order to adapt to the said plastic film of different width, there are said guide rollers below it corresponding to the said cutting assembly; and

and the traction module is arranged on the rack and is arranged at one side close to the plastic film winding device and used for realizing the traction of the plastic film in the tear line processing module.

2. The apparatus as claimed in claim 1, wherein the rail bar is slidably mounted on the pair of mounting seats by a pair of adjusting members, respectively, each of the pair of adjusting members comprising: a first rectangular board, a first rectangular hole has been seted up along its length direction on the first rectangular board, first rectangular board is followed plastic film's direction of feed sets up the track pole with between the mount pad, the one end of first rectangular board with the track pole is connected, and runs through a pair of first bolt subassembly first rectangular hole is adjustable to be installed on the mount pad, is used for realizing the track pole is in the ascending regulation of plastic film direction of feed.

3. The apparatus as claimed in claim 2, wherein a rail auxiliary bar is further provided on the mounting base, at least one set of the cutting assemblies is adjustably provided on the rail auxiliary bar, the guide roller is provided under the cutting assembly, the rail auxiliary bar is provided parallel to the rail bar at an end of the first strip away from the rail bar, a second strip is further provided between the rail auxiliary bar and the first strip, the second strip has a second strip hole opened opposite to the first strip hole, and the second strip is adjustably mounted on the first strip by a closest bolt of the pair of bolts to adjust a distance between the rail auxiliary bar and the first strip.

4. The apparatus as claimed in claim 1, wherein the pair of mounting seats are respectively provided with a "convex" shaped sliding slot, and the track rod is adjustably engaged with the "convex" shaped sliding slot through a second bolt assembly, so as to slide on the mounting seats.

5. The plastic film tear line processing apparatus of claim 4, wherein said mounting base further comprises a rail auxiliary rod, said rail auxiliary rod is adjustably provided with at least one set of said cutting assemblies, said guide roller is provided under said cutting assemblies, said rail auxiliary rod is adjustably engaged with said "convex" shaped sliding groove through a third bolt, so as to slide said rail auxiliary rod on said mounting base.

6. The plastic film tear line processing apparatus of any one of claims 1-5, wherein the cutting assembly comprises: a knife rest seat, a knife rest and an imaginary line wheel cutter, offer the assembly that is used for the assembly on the knife rest seat and lead to the chamber, the assembly leads to and is provided with a retaining member on the chamber, the knife rest articulates the knife rest seat deviates from the assembly leads to one side in chamber, and with the assembly leads to the different face in opening direction in chamber perpendicular, the knife rest is parallel plastics film feed direction extends to both ends, imaginary line wheel cutter rotates to be installed the one end of knife rest, the knife rest seat is seted up one side orientation that the chamber was led to in the assembly the imaginary line wheel cutter extends there is a boss, be provided with a buffering adjusting part on the boss, the knife rest is kept away from the one end of imaginary line wheel cutter still is equipped with a cam pack, cam pack drive the knife rest makes the cutter select with the plastics film contact.

7. The apparatus as claimed in claim 6, wherein the buffer adjustment assembly comprises an adjustment screw and a buffer spring, the adjustment screw passes through the boss and is in threaded engagement with the boss, the buffer spring is disposed between the boss and the cutter holder, one end of the buffer spring is connected to the adjustment screw, and the other end of the buffer spring, which is away from the adjustment screw, is connected to the cutter holder.

8. The apparatus as claimed in claim 6, wherein the cam assembly includes a cam and a cam mounting bracket, the cam mounting bracket is mounted on the tool holder base, the cam is rotatably mounted on the cam mounting bracket and is circumferentially tangent to the tool holder when rotated, and a crank extends outwardly from the cam.

9. The apparatus as claimed in any one of claims 1 to 5, wherein the guide roll is provided with a predetermined number of centering grooves.