CN214026002U

CN214026002U - PET sheet slitting device for packaging

Info

Publication number: CN214026002U
Application number: CN202022946073.3U
Authority: CN
Inventors: 王磊
Original assignee: Jiangsu Jincai Polymer Material Technology Co ltd
Current assignee: Jiangsu Jincai Polymer Material Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-24
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a PET sheet slitting device for packaging, which comprises a cutter, wherein the cutter comprises a cutter shaft and a plurality of cutter heads; the cutter head is connected to the cutter shaft in a sliding manner through a limiting component; the cutter shaft is provided with a convex strip extending along the axial direction of the cutter shaft; the convex strip is provided with a plurality of first threaded holes which are uniformly distributed along the length direction of the convex strip; the limiting assembly comprises a limiting bolt, a limiting lantern ring sleeved on the outer side of the cutter shaft and a fixing part; the cutter head is fixed on the outer side of the limiting lantern ring through the mounting seat; a through groove is arranged on one side of the fixing part; the limiting lantern ring is provided with a notch, the fixing part is welded at the notch, and the through groove is opposite to the notch to form a channel through which the convex strip can pass; the fixing part is provided with a second threaded hole which transversely penetrates through the through groove; the limiting bolt penetrates through the first threaded hole and the second threaded hole so as to fixedly connect the fixing part with the convex strip; under spacing subassembly's effect, the arbor removes relatively to the tool bit to can change the interval between two adjacent tool bits, satisfy the demand of cutting of different width.

Description

PET sheet slitting device for packaging

Technical Field

The utility model relates to a PET field is used in the packing, especially relates to a device is cut to PET sheet for packing.

Background

The PET film is also named as a high-temperature resistant polyester film, has excellent physical properties, chemical properties, dimensional stability, transparency and recyclability, and is a packaging film with more comprehensive properties.

In the production and processing process of the PET polyester film, the whole produced PET polyester film needs to be cut into strip films with specific sizes, for convenience and efficiency improvement, people mainly adopt a PET polyester film cutting machine to cut the film, a cutting mechanism of the existing PET polyester film cutting machine mainly comprises a cutting shaft and a plurality of blades on the cutting shaft, in the working state, the cutting shaft and all the blades are static, the PET polyester film passes through the blades in the process of being pulled linearly from front to back, the PET polyester film is divided into a plurality of strip films by the blades, the distance between every two adjacent blades is the width of the strip films, but the blades are fixed on the cutting shaft and cannot move left and right, therefore, the size of the cut strip films is fixed, and if a processing person needs to cut strip films with other sizes, a new cutting mechanism needs to be replaced and reinstalled, reducing production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the utility model provides a PET sheet cutting device for packing can be suitable for the cutting of different width.

In order to solve the main technical problems, the following technical scheme is adopted:

a PET sheet slitting device for packaging comprises a cutter, wherein the cutter comprises a cutter shaft and a plurality of cutter heads; the cutter head is connected to the cutter shaft in a sliding manner through a limiting assembly; the cutter shaft is provided with a convex strip extending along the axial direction of the cutter shaft; the convex strip is provided with a plurality of first threaded holes which are uniformly distributed along the length direction of the convex strip; the limiting assembly comprises a limiting bolt, a limiting lantern ring sleeved on the outer side of the cutter shaft and a fixing part; the cutter head is fixed on the outer side of the limiting lantern ring through the mounting seat; a through groove is formed in one side of the fixing part; the limiting lantern ring is provided with a notch, the fixing part is welded at the notch, and the through groove is opposite to the notch to form a channel through which the convex strip can pass; the fixing part is provided with a second threaded hole which transversely penetrates through the through groove; first screw hole and second screw hole are worn to establish by spacing bolt to with fixed part and sand grip fixed connection.

Preferably, the ribs are strip-shaped plates.

Preferably, the surface of the arbor is imprinted with scale lines along its axial direction.

Preferably, the surfaces of the cutter shaft and the convex strips are provided with anti-slip coatings; the anti-slip coating is an epoxy anti-slip coating.

Preferably, the tool bit comprises a tool shank and a tool tip; the tool nose is fixed at the bottom of the tool handle; the mounting seat is provided with a through hole through which the tool shank can pass; the mounting seat is provided with a third threaded hole which transversely penetrates through the through hole; a fourth threaded hole matched with the third threaded hole is formed in the cutter handle; the fastener is arranged in the third threaded hole and the fourth threaded hole in a penetrating mode and fixedly connects the tool shank with the mounting seat.

Preferably, the cross-section of the shank is rectangular.

Preferably, two adjacent mounting seats are fixed with telescopic sleeves.

Preferably, the telescopic sleeve comprises a large-diameter end, a small-diameter end and a compression bolt; the small-diameter end can slide along the large-diameter end; a fifth threaded hole is formed in the surface of the large-diameter end; the end part of the compression bolt can penetrate through the fifth threaded hole and press the small-diameter end to fix the large-diameter end and the small-diameter end.

Compared with the prior art, the utility model discloses be applied to cutting of PET for the packing and possess following advantage:

(1) the limiting assemblies correspond to the tool bits one to one, each limiting assembly comprises a limiting sleeve ring, a fixing part is welded at the notch of each limiting sleeve ring, a channel through which the raised line can pass is formed by the through groove and the notch of each fixing part, and a gap is reserved between each raised line and the channel, so that the limiting sleeve rings can move back and forth along the raised lines; spacing bolt passes first screw hole and second screw hole, is in the same place sand grip and spacing lantern ring are fixed to restrain the slip of spacing lantern ring at the sand grip, under the effect of spacing subassembly, the tool bit can move by the relative arbor, thereby can change the interval between two adjacent tool bits, satisfy the demand of cutting of different width.

(2) The tool bit is divided into a tool handle and a tool tip, the tool handle is fixed on the outer side of the limiting sleeve ring through the mounting seat and can lift up and down relative to the mounting seat, so that after the tool tip is worn, the height of the tool tip can be adjusted up and down, and the service life is prolonged; be fixed with telescopic sleeve between two adjacent mount pads, when the distance that does not need to adjust adjacent blade spare, only need change the position of the relative arbor of tool bit, can send the spacing bolt of a plurality of tool bits, with a plurality of tool bits as a moving as a body, can promote the governing speed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic view of the overall structure of the cutter;

fig. 2 is a left side view of the cutter head.

In the figure: 100 is the cutter, 1 is the arbor, 2 is the tool bit, 21 is the handle of a knife, 22 is the knife tip, 23 is the fourth screw hole, 3 is the sand grip, 31 is first screw hole, 4 is spacing subassembly, 41 is spacing bolt, 42 is the spacing lantern ring, 43 is the fixed part, 431 is logical groove, 432 is the second screw hole, 5 is the mount pad, 51 is the third screw hole, 6 is the telescopic sleeve, 61 is compression bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

Referring to fig. 1-2, a PET sheet slitting device for packaging includes a cutter 100, wherein the cutter 100 includes a cutter shaft 1 and a plurality of cutter heads 2 spaced apart from each other.

The cutter heads 2 are connected to the cutter shaft 1 in a sliding mode through limiting assemblies 4, and each cutter head 2 corresponds to one limiting assembly 4; the cutter shaft 1 is provided with a convex strip 3 extending along the axial direction of the cutter shaft; the convex strips 3 are strip-shaped plates, and the convex strips 3 and the cutter shaft 1 are integrally formed or welded into a whole; the convex strip 3 is provided with a plurality of first threaded holes 31 uniformly distributed along the length direction of the convex strip, and scale marks are marked on the surface of the cutter shaft 1 along the axial direction of the cutter shaft.

The limiting component 4 comprises a limiting bolt 41, a limiting lantern ring 42 sleeved on the outer side of the cutter shaft 1 and a fixing part 43; a through groove 431 is formed in one side of the fixing part 43, and the fixing part 43 is of a block structure; the limiting lantern ring 42 is a circular ring with a gap; the fixing part 43 is welded at the notch of the limiting sleeve ring 42, and the through groove 431 is opposite to the notch to form a channel through which the convex strip 3 can pass; the fixing portion 43 is further provided with a second threaded hole 432 transversely penetrating the through groove 431; the limiting bolt 41 penetrates through the first threaded hole 31 and the second threaded hole 432 so as to fixedly connect the fixing part 43 with the convex strip 3, and therefore, the limiting assembly 4 is prevented from moving relative to the cutter shaft 1; when the limiting bolt 41 penetrates through the first threaded hole 31 and the second threaded hole 432, in order to further ensure the limiting effect of the limiting sleeve ring 42, the surfaces of the cutter shaft 1 and the raised line 3 are provided with anti-skid coatings; the anti-slip coating is powdered epoxy anti-slip coating, and when the limiting bolt 41 is loosened, the coating can generate certain blocking effect on the movement of the limiting lantern ring 42 relative to the cutter shaft 1, but the movement is not influenced.

The tool bit 2 is fixed on the outer side of the limiting sleeve ring 42 through the mounting seat 5, the mounting seat 5 is welded on the outer side of the limiting sleeve ring 42, and the tool bit 2 comprises a tool shank 21 and a tool nose 22; the tool nose 22 is fixed at the bottom of the tool shank 21; the mounting seat 5 is provided with a through hole which is vertically communicated and can allow the knife handle 21 to pass through; the mounting seat 5 is provided with a third threaded hole 51 which transversely penetrates through the through hole; a fourth threaded hole 23 matched with the third threaded hole 51 is formed in the cutter handle 21; the fastener penetrates through the third threaded hole 51 and the fourth threaded hole 23 to fixedly connect the tool shank 21 with the mounting seat 5; in order to ensure the connection tightness of the tool shank 21 and the mounting seat 5; the cross section of the cutter handle 21 is rectangular, the cutter handle 21 can lift relative to the mounting base 5, namely the cutter point 22 can lift relative to the cutter shaft 1, so that the height of the cutter point 22 can be finely adjusted after the cutter point 22 is slightly worn, and the service life of the cutter point 22 is prolonged.

The two adjacent mounting seats 5 are fixed with telescopic sleeves 6; the telescopic sleeve 6 comprises a large-diameter end, a small-diameter end and a compression bolt 61; the large-diameter end is fixed on the mounting seat 5 of one cutter head 2, the small-diameter end is fixed on the mounting seat 5 of the other cutter head 2, and the small-diameter end can slide back and forth along the large-diameter end, so that the telescopic sleeve 6 can be stretched; a fifth threaded hole is formed in the surface of the large-diameter end; the end part of the hold-down bolt 61 can penetrate through the fifth threaded hole and press the small-diameter end so as to fix the large-diameter end and the small-diameter end; when only need adjust the position of a plurality of tool bits 2 relative arbor 1, and need not change the interval before the adjacent tool bit 2, can loosen the spacing bolt 41 of a plurality of spacing subassemblies 4 in proper order, then move a plurality of tool bits 2 as a whole on arbor 1 to promote adjustment efficiency.

The utility model discloses a working process does: adjusting the mounting positions of the tool shank 21 and the mounting seat 5, loosening the limiting bolt 41, and translating the limiting collar 42 and the tool bit 2 along the axial direction of the tool shaft 1; after reaching the designated position, the limiting bolt 41 penetrates through the first threaded hole 31 and the second threaded hole 432, and the limiting lantern ring 42 and the convex strip 3 are fixed into a whole; after the position of one cutter head 2 is adjusted, the next cutter head 2 is adjusted in sequence according to the steps until all the adjustment is finished.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. The utility model provides a device is cut with PET sheet to packing, includes the cutter, its characterized in that: the cutter comprises a cutter shaft and a plurality of cutter heads; the cutter head is connected to the cutter shaft in a sliding manner through a limiting assembly; the cutter shaft is provided with a convex strip extending along the axial direction of the cutter shaft; the convex strip is provided with a plurality of first threaded holes which are uniformly distributed along the length direction of the convex strip; the limiting assembly comprises a limiting bolt, a limiting lantern ring sleeved on the outer side of the cutter shaft and a fixing part; the cutter head is fixed on the outer side of the limiting lantern ring through the mounting seat; a through groove is formed in one side of the fixing part; the limiting lantern ring is provided with a notch, the fixing part is welded at the notch, and the through groove is opposite to the notch to form a channel through which the convex strip can pass; the fixing part is provided with a second threaded hole which transversely penetrates through the through groove; first screw hole and second screw hole are worn to establish by spacing bolt to with fixed part and sand grip fixed connection.

2. The PET sheet slitting device for packaging according to claim 1, wherein: the convex strips are strip-shaped plates.

3. The PET sheet slitting device for packaging according to claim 1, wherein: the surface of the cutter shaft is marked with scale marks along the axial direction.

4. The PET sheet slitting device for packaging according to claim 1, wherein: the surfaces of the cutter shaft and the raised lines are provided with anti-skid coatings; the anti-slip coating is an epoxy anti-slip coating.

5. The PET sheet slitting device for packaging according to claim 1, wherein: the tool bit comprises a tool handle and a tool tip; the tool nose is fixed at the bottom of the tool handle; the mounting seat is provided with a through hole through which the tool shank can pass; the mounting seat is provided with a third threaded hole which transversely penetrates through the through hole; a fourth threaded hole matched with the third threaded hole is formed in the cutter handle; the fastener is arranged in the third threaded hole and the fourth threaded hole in a penetrating mode and fixedly connects the tool shank with the mounting seat.

6. The PET sheet slitting device for packaging according to claim 5, wherein: the cross section of the knife handle is rectangular.

7. The PET sheet slitting device for packaging according to claim 1, wherein: and two adjacent mounting seats are fixed with telescopic sleeves.

8. The PET sheet slitting device for packaging according to claim 7, wherein: the telescopic sleeve comprises a large-diameter end, a small-diameter end and a compression bolt; the small-diameter end can slide along the large-diameter end; a fifth threaded hole is formed in the surface of the large-diameter end; the end part of the compression bolt can penetrate through the fifth threaded hole and press the small-diameter end to fix the large-diameter end and the small-diameter end.