CN212948001U

CN212948001U - Cutting mechanism for PE film

Info

Publication number: CN212948001U
Application number: CN202021814819.9U
Authority: CN
Inventors: 袁锋
Original assignee: Suzhou Shengpuya Intelligent Technology Co ltd
Current assignee: Suzhou Shengpuya Intelligent Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-13
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a PE membrane is with cutting mechanism, which comprises a frame, install roller, lower roller of going up that can rotate relatively in the frame, go up the epaxial a plurality of last cutter seats that are used for installing the cutter that are equipped with of roller, be equipped with a plurality of lower cutter seats that are used for installing the lower cutter of cutter down on the lower roller, just go up the cutter seat with lower cutter seat one-to-one sets up. The lower roll shaft is provided with a driving gear, the upper roll shaft is provided with a driven gear meshed with the driving gear, and the rack is provided with an electric drive assembly used for driving the lower roll shaft to rotate. The upper cutter seat and the upper roll shaft are jointly provided with a first adjusting component for adjusting the position of the upper cutter seat, and the lower cutter seat and the lower roll shaft are jointly provided with a second adjusting component for adjusting the position of the lower cutter seat. The utility model discloses a cut the mechanism and can not only improve notched roughness, cutter interval adjustment convenient and fast moreover.

Description

Cutting mechanism for PE film

Technical Field

The utility model relates to a PE membrane cutting equipment technical field especially relates to a PE membrane is with cutting mechanism.

Background

The PE film is a composite material made of a special Polyethylene (PE) plastic film serving as a base material, has the advantages of good moisture resistance and small moisture permeability, and is widely applied to the flexible packaging industry. In the in-process of PE membrane production, need cut the PE membrane according to operation requirement, but the pneumatic cutter of the device adoption that cuts now more, cutter wearing and tearing back cause the problem of side cut deckle edge, incision unevenness easily, when cutting width changes moreover, the interval between the current cutter is adjusted comparatively complicatedly, and the adjust time cost is longer.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a PE film slitting mechanism which can not only improve the flatness of the notch, but also can adjust the distance between the cutters conveniently and quickly.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a cutting mechanism for a PE film comprises a rack, wherein an upper roller shaft and a lower roller shaft which can rotate relatively are mounted on the rack, a plurality of upper cutter seats used for mounting an upper cutter are arranged on the upper roller shaft, a plurality of lower cutter seats used for mounting a lower cutter are arranged on the lower roller shaft, and the upper cutter seats and the lower cutter seats are arranged in a one-to-one correspondence manner. The lower roll shaft is provided with a driving gear, the upper roll shaft is provided with a driven gear meshed with the driving gear, and the rack is provided with an electric drive assembly used for driving the lower roll shaft to rotate. The upper cutter seat and the upper roll shaft are jointly provided with a first adjusting component for adjusting the position of the upper cutter seat, and the lower cutter seat and the lower roll shaft are jointly provided with a second adjusting component for adjusting the position of the lower cutter seat.

The beneficial effects of the utility model reside in that: the lower roll shaft is driven to rotate through the electric drive assembly, relative rotation (reverse rotation) of the upper roll shaft and the lower roll shaft is realized through the matching of the driving gear and the driven gear, and then the upper cutter and the lower cutter are driven to rotate relatively to cut the PE film; the problem of trimming burrs in the cutting process can be effectively reduced through the matching of the electric drive assembly, the driving gear and the driven gear, and the flatness of the cut is improved; the quick adjustment of the position of the upper cutter seat is realized through the first adjusting assembly, the distance adjustment between two adjacent upper cutter seats and the upper cutter is further realized, the quick adjustment of the position of the lower cutter seat is realized through the second adjusting assembly, and the distance adjustment between two adjacent lower cutter seats and the lower cutter is further realized.

Further, the first adjusting assembly comprises an adjusting groove formed in the radial direction of the upper cutter holder and a plurality of limiting grooves formed in the axial direction of the upper roller shaft, and the adjusting groove can move to be aligned with any one of the limiting grooves; an adjusting rod is movably arranged in the adjusting groove in a penetrating manner, and a clamping block which can be clamped in the adjusting groove is arranged on the adjusting rod; when the clamping block is clamped in the adjusting groove, the bottom end of the adjusting rod is embedded into the limiting groove. When the lower cutter holder moves along the upper roll shaft through the arrangement of the limiting grooves, the adjusting grooves can be aligned to any limiting groove, and the limiting rod is embedded into the limiting groove to limit the position of the lower cutter holder.

Further, the adjusting groove comprises an upper groove and a lower groove which are communicated, the upper groove and the lower groove are cylindrical grooves, and the radial dimension of the upper groove is larger than that of the lower groove. The top of the upper groove is provided with a strip-shaped opening arranged on the side wall of the upper cutter seat, the length of the strip-shaped opening is the same as the radial dimension of the upper groove, and the width of the strip-shaped opening is the same as the radial dimension of the lower groove.

Furthermore, the side wall of the upper end part of the adjusting rod is provided with the clamping block which can rotate along the upper groove; when the clamping block rotates to be aligned with the strip-shaped opening, the clamping block can move out of the upper groove along the strip-shaped opening.

Further, the top of the adjusting rod is also integrally provided with a handheld end cover, and the radial size of the handheld end cover is larger than the width of the strip-shaped opening.

Further, the electric drive assembly comprises a servo motor fixedly connected to the rack, a first synchronizing wheel is mounted on an output shaft of the servo motor, a second synchronizing wheel is mounted on the lower roll shaft, and a synchronous belt is wound on the first synchronizing wheel and the second synchronizing wheel. The arrangement of the synchronous belt, the first synchronous wheel and the second synchronous wheel improves the rotating stability of the lower roll shaft.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a sectional schematic view of an adjusting assembly according to an embodiment of the present invention;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a schematic sectional view illustrating the fixture block of the embodiment of the present invention moving to the strip-shaped opening;

fig. 5 is a plan view of an upper blade holder according to an embodiment of the present invention.

In the figure:

1-a frame; 2, an upper roll shaft; 21-a driven gear; 22-a limiting groove and 3-a lower roll shaft; 31-a drive gear; 4, feeding a cutter; 5-an upper cutter holder; 51-an adjustment groove; 511-upper groove; 512-lower groove; 513-strip openings; 52-adjusting rod; 521-a fixture block; 522-handheld end cap; 6-lower cutter; 7-lower cutter seat; 81-servo motor; 82-synchronous belt number one; 83-second synchronous belt; 84-synchronous belt.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawing 1, the utility model discloses a PE membrane is with cutting mechanism, including frame 1, install relatively pivoted last roller 2, lower roller 3 in the frame 1, be equipped with a plurality of last cutter seats 5 that are used for installing cutter 4 on going up roller 2, be equipped with a plurality of lower cutter seats 7 that are used for installing cutter 6 down on the roller 3 down, just go up cutter seat 5 with lower cutter seat 7 one-to-one sets up. The lower roll shaft 3 is provided with a driving gear 31, the upper roll shaft 2 is provided with a driven gear 21 meshed with the driving gear 31, and the rack 1 is provided with an electric drive assembly for driving the lower roll shaft 3 to rotate. The upper cutter holder 5 and the upper roller shaft 2 are jointly provided with a first adjusting component for adjusting the position of the upper cutter holder 5, and the lower cutter holder 7 and the lower roller shaft 3 are jointly provided with a second adjusting component for adjusting the position of the lower cutter holder 7.

The lower roll shaft 3 is driven to rotate by the electric drive assembly, relative rotation (reverse rotation) of the upper roll shaft 2 and the lower roll shaft 3 is realized by the matching of the driving gear 31 and the driven gear 21, and then the upper cutter 4 and the lower cutter 6 are driven to rotate relatively to cut the PE film; the problem of trimming burrs in the cutting process can be effectively reduced through the matching of the electric drive assembly, the driving gear 31 and the driven gear 21, and the flatness of the cut is improved; the quick adjustment of the position of the upper cutter seat 5 is realized through the first adjusting component, the distance adjustment between the two adjacent upper cutter seats 5 and the upper cutter 4 is further realized, the quick adjustment of the position of the lower cutter seat 7 is realized through the second adjusting component, and the distance adjustment between the two adjacent lower cutter seats 7 and the lower cutter 6 is further realized.

In this embodiment, the first adjustment assembly and the second adjustment assembly have the same structure, and referring to fig. 2-4, taking the second adjustment assembly as an example, the first adjustment assembly includes an adjustment groove 51 formed along the radial direction of the upper cutter holder 5, and a plurality of limit grooves 22 formed along the axial direction of the upper roller shaft 2, and the adjustment groove 51 can move to align with any one of the limit grooves 22.

Specifically, referring to fig. 2 to 5, the adjusting groove 51 includes an upper groove 511 and a lower groove 512 which are communicated with each other, the upper groove 511 and the lower groove 512 are cylindrical grooves, and the radial dimension of the upper groove 711 is greater than that of the lower groove 512. The radial dimension of the retaining groove 22 is the same as the radial dimension of the lower groove 512. The top of the upper groove 511 is provided with a strip-shaped opening 513 arranged on the side wall of the upper cutter holder 5, the length of the strip-shaped opening 513 is the same as the radial dimension of the upper groove 511, and the width of the strip-shaped opening 513 is the same as the radial dimension of the lower groove 512.

An adjusting rod 52 which can freely rotate and can move up and down along the lower groove 512 is movably arranged in the lower groove 512 in a penetrating way, and a clamping block 521 which can be clamped in the upper groove 511 is arranged on the side wall of the upper end part of the adjusting rod 52. When the latch 521 is clamped in the upper groove 511, the lower end of the adjusting rod 52 is embedded in the limiting groove 22, and when the adjusting rod 52 rotates and drives the latch 521 to rotate to align with the strip-shaped opening 513, the latch 521 can move out of the upper groove 511 along the strip-shaped opening 513.

The top of the adjusting rod 52 is also integrally provided with a handheld end cap 522, and the radial dimension of the handheld end cap 522 is greater than the width of the strip-shaped opening 513.

Referring to fig. 3-4, in an initial state, the latch 521 is clamped in the upper groove 511, and the lower end of the adjusting rod 52 is embedded in the limiting groove 22, when the position of the upper blade holder 5 needs to be adjusted, the handheld end cap 522 is rotated, the adjusting rod 52 rotates and drives the latch 521 to align with the strip-shaped opening 513, the handheld end cap 522 is lifted upwards, the latch 521 moves upwards along the strip-shaped opening 513, and the lower end of the adjusting rod 52 is driven to leave the limiting groove 22; the upper cutter holder 5 is pushed to move along the upper roller shaft 2, when the upper cutter holder 5 moves to a specified position (the adjusting groove 71 is aligned with the other limiting groove 22), the handheld end cover 522 is pushed downwards, the fixture block 521 moves into the upper groove 511 along the strip-shaped opening 513, and the lower end of the adjusting rod 52 moves into the limiting groove 22; by rotating the hand-held cap 522, the latch 521 rotates and latches into the upper recess 511, and at this time, the position of the upper blade holder 5 is defined again.

In this embodiment, the electric drive assembly includes the rigid coupling servo motor 81 in the frame 1, install a synchronizing wheel 82 on servo motor 81's the output shaft, install No. two synchronizing wheels 83 on the roller 3 down, No. one synchronizing wheel 82, No. two synchronizing wheels 83 go up around being equipped with hold-in range 84 jointly. The arrangement of the synchronous belt 84, the first synchronous wheel 82 and the second synchronous wheel 83 improves the rotating stability of the lower roller shaft 3.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A slitting mechanism for PE films comprises a rack, wherein an upper roll shaft and a lower roll shaft which can rotate relatively are mounted on the rack, a plurality of upper slitter holders used for mounting upper cutters are sleeved on the upper roll shaft, a plurality of lower slitter holders used for mounting lower cutters are sleeved on the lower roll shaft, and the upper slitter holders and the lower slitter holders are arranged in a one-to-one correspondence manner; the method is characterized in that: a driving gear is arranged on the lower roll shaft, a driven gear meshed with the driving gear is arranged on the upper roll shaft, and an electric drive assembly for driving the lower roll shaft to rotate is arranged on the rack; the upper cutter seat and the upper roll shaft are jointly provided with a first adjusting component for adjusting the position of the upper cutter seat, and the lower cutter seat and the lower roll shaft are jointly provided with a second adjusting component for adjusting the position of the lower cutter seat.

2. The slitting mechanism for PE film according to claim 1, wherein: the first adjusting assembly comprises an adjusting groove formed in the radial direction of the upper cutter holder and a plurality of limiting grooves formed in the axial direction of the upper roller shaft, and the adjusting groove can move to be aligned with any limiting groove; an adjusting rod is movably arranged in the adjusting groove in a penetrating manner, and a clamping block which can be clamped in the adjusting groove is arranged on the adjusting rod; when the clamping block is clamped in the adjusting groove, the bottom end of the adjusting rod is embedded into the limiting groove.

3. The slitting mechanism for PE film according to claim 2, wherein: the adjusting groove comprises an upper groove and a lower groove which are communicated, the upper groove and the lower groove are cylindrical grooves, and the radial size of the upper groove is larger than that of the lower groove; the top of the upper groove is provided with a strip-shaped opening arranged on the side wall of the upper cutter seat, the length of the strip-shaped opening is the same as the radial dimension of the upper groove, and the width of the strip-shaped opening is the same as the radial dimension of the lower groove.

4. The slitting mechanism for PE film according to claim 3, wherein: the side wall of the upper end part of the adjusting rod is provided with the clamping block which can rotate along the upper groove; when the clamping block rotates to be aligned with the strip-shaped opening, the clamping block can move out of the upper groove along the strip-shaped opening.

5. The slitting mechanism for PE film according to claim 4, wherein: the top of the adjusting rod is further integrally provided with a handheld end cover, and the radial size of the handheld end cover is larger than the width of the strip-shaped opening.

6. The slitting mechanism for PE film according to claim 1, wherein: the electric drive assembly comprises a servo motor fixedly connected to the rack, a synchronizing wheel is installed on an output shaft of the servo motor, a second synchronizing wheel is installed on the lower roller shaft, and a synchronous belt is wound on the first synchronizing wheel and the second synchronizing wheel.