CN111331667A - Rotating knife holder of film guide cutting machine - Google Patents

Rotating knife holder of film guide cutting machine Download PDF

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Publication number
CN111331667A
CN111331667A CN202010087035.9A CN202010087035A CN111331667A CN 111331667 A CN111331667 A CN 111331667A CN 202010087035 A CN202010087035 A CN 202010087035A CN 111331667 A CN111331667 A CN 111331667A
Authority
CN
China
Prior art keywords
knife
holes
rotary
shaped
cutting edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010087035.9A
Other languages
Chinese (zh)
Inventor
王�锋
刘振文
马浩杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Linglong Tire Co ltd
Original Assignee
Guangxi Linglong Tire Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Linglong Tire Co ltd filed Critical Guangxi Linglong Tire Co ltd
Priority to CN202010087035.9A priority Critical patent/CN111331667A/en
Publication of CN111331667A publication Critical patent/CN111331667A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614Means for mounting the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/36Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder
    • B26D1/365Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B26D1/405Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations

Abstract

The invention discloses a rotary knife holder of a film guiding and cutting machine, which comprises a rotary roller, wherein a rotary knife holder is arranged under the rotary roller, an elliptic arc-shaped cutting edge cut-off knife is fixed on the rotary knife holder through a screw, a positioning block is arranged between the rotary knife holder and the elliptic arc-shaped cutting edge cut-off knife, the rotary roller comprises a roller, the left side of the roller is connected with a left rotating shaft A, the right side of the roller is connected with a right rotating shaft A, the rotary knife holder comprises a rotary knife holder main body arranged under the roller, the left side of the rotary knife holder main body is connected with a left rotating shaft B, the right side of the rotary knife holder main body is connected with a right rotating shaft B for outwards adjusting the elliptic arc-shaped cutting edge cut-off knife, countersunk through holes B are arranged at two sides for inwards tensioning the elliptic arc-shaped cutting edge cut-off knife, the countersunk, meanwhile, compared with the mode that the blades are in linear contact, the noise is reduced during working.

Description

Rotating knife holder of film guide cutting machine
Technical Field
The invention relates to the technical field of rotating knife blocks, in particular to a rotating knife block of a film guide cutting machine.
Background
In the existing rubber tire production process, a film guide cutting machine is necessary equipment applied to an auxiliary machine system on an internal mixer, and has the functions of stretching and spreading stacked films, cutting the films in sections according to the weight required by the process, conveying the films to a rubber material scale for feeding and weighing, wherein the weighed films are not allowed to exceed the standard range required by the process.
The film of the present general adoption leads the cutter, is by motor reducer drive rotation blade holder to drive 2 straight sword cut-offs, rotate the roller and rotate, utilize 2 straight sword cut-offs and rotate the roller and form the rotation dislocation and reverse the tensile film that drags simultaneously, until cutting off the film, reset under the reaction of spring force.
The structure of the rotating knife seat commonly adopted on the prior film guiding and cutting machine is that two installing surfaces symmetrically arranged along the rotating shaft of the rotating knife seat are arranged on the periphery of the cylindrical surface of the rotating knife seat, and the symmetrical installing surfaces are superposed with the axis of the rotating shaft of the rotating knife seat. On this basis, the installation of 2 straight sword cut-off knives symmetry rotates the blade holder on, rotates the in-process, and what the cutting edge of 2 straight sword cut-off knives formed is a virtual cylindrical shape, and the cutting edge of cut-off knife is linear contact with the rotation roller, because of film thickness differs, has the error, at the in-process of cutting the film, the cutting edge can not contact with roller part place, has the clearance, just constantly the film.
The drawback that exists to current device improves, provides a film guide cutter now and rotates the blade holder.
Disclosure of Invention
The invention aims to provide a rotary knife holder of a film guide cutting machine, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a film is led and is cut machine and rotates blade holder, is including rotating the roller, it rotates the blade holder to rotate to be provided with under the roller, it has oval arc cutting edge cut-off knife to rotate through the fix with screw on the blade holder, it is provided with the locating piece to rotate between blade holder and the oval arc cutting edge cut-off knife.
In a further embodiment, the rotary roller comprises a roller, the left side of the roller is connected with a left end rotating shaft A, and the right side of the roller is connected with a right end rotating shaft A.
In a further embodiment, the rotary knife holder comprises a rotary knife holder main body arranged right below the roller, the left side of the rotary knife holder main body is connected with a left-end rotating shaft B, the right side of the rotary knife holder main body is connected with a right-end rotating shaft B, a cut-off knife inclined mounting plate A is arranged above the rotary knife holder main body, a positioning block mounting hole A is arranged in the middle of the front end face of the cut-off knife inclined mounting plate A, a plurality of threaded holes A distributed at equal intervals are arranged on the front end face of the cut-off knife inclined mounting plate A, a countersunk through hole A and a countersunk screw hole A are arranged on the face of the rotary knife holder main body perpendicular to the cut-off knife inclined mounting plate A, a cut-off knife inclined mounting plate B is arranged below the rotary knife holder main body, a positioning block mounting hole B is arranged in the middle, a countersunk through hole B and a countersunk screw hole B are formed in the surface, perpendicular to the inclined mounting plate B, of the rotary cutter holder main body.
In a further embodiment, the number of the countersunk head through holes a and the number of the countersunk head screw holes a are two, the central lines of the countersunk head through holes a and the countersunk head screw holes a are parallel to the end surface of the inclined mounting plate a of the cutting knife, the countersunk head through holes a are arranged on two sides, and the countersunk head screw holes a are arranged on the inner side.
In a further embodiment, two countersunk head through holes B and two countersunk head screw holes B are respectively arranged, the central lines of the countersunk head through holes B and the countersunk head screw holes B are parallel to the end surface of the inclined mounting plate B of the cutting knife, the countersunk head through holes B are arranged on both sides, and the countersunk head screw holes B are arranged on the inner side.
In a further embodiment, oval arc cutting edge cut-off knife includes the cut-off knife body of installation with cut-off knife slope mounting panel A respectively, cut-off knife body middle part below is provided with the constant head tank, be provided with the waist type through-hole that the several equidistance distributes on the cut-off knife body, cut-off knife body top is provided with oval arc cutting edge.
In a further embodiment, the positioning groove is connected with the positioning block mounting hole A through a positioning block, and the positioning groove is connected with the positioning block mounting hole B through a positioning block.
In a further embodiment, waist type through-hole sets up with screw hole A one-to-one respectively on the oval arc cutting edge cut-off knife, waist type through-hole passes through screw and screw hole A and passes through threaded connection, oval arc cutting edge cut-off knife goes up waist type through-hole and sets up with screw hole B one-to-one respectively, waist type through-hole passes through screw and screw hole B and passes through threaded connection.
In a further embodiment, an intersection point of a rotating shaft axis a of the rotating tool holder and a central line b of the middle mounting section of the rotating tool holder is used as a central point for mounting the elliptic arc-shaped cutting edge cutting knife, the central point is provided with a mounting surface forming an included angle with the axis a, the included angle ranges from 6 degrees to 9 degrees, the mounting surfaces are symmetrically arranged on the periphery of the cylindrical surface of the rotating tool holder along the rotating shaft axis a, and the included angles are the same.
In a further embodiment, the oval arc-shaped cutting edge cut-off knife is provided with two, and the symmetry is installed on cut-off knife slope mounting panel A and cut-off knife slope mounting panel B, cut-off knife slope mounting panel A and cut-off knife slope mounting panel B are kept away from to one side that oval arc-shaped cutting edge cut-off knife has oval arc-shaped cutting edge, the central point of oval arc-shaped cutting edge is on rotating blade holder pivot axis a in the oval arc-shaped cutting edge cut-off knife.
Compared with the prior art, the invention has the beneficial effects that: in the process of rotating the rotating tool apron, the two elliptic arc-shaped blade cutters are driven to rotate, so that the blades of the elliptic arc-shaped blade cutters and the rotating roller always keep a point contact tangent state; under the reaction of spring force, the front and back of the rotary roller slightly swing, no gap exists between the cutting edge and the rotary roller, the film is successfully cut, meanwhile, the elliptical arc-shaped cutting edge cutter adopts a plurality of screws to be connected with the rotary cutter holder, the installation is ensured to be reliable, the stress is uniform, the positioning groove is connected with the positioning block mounting hole A through the positioning block, the positioning groove is connected with the positioning block mounting hole B through the positioning block, the center of the elliptical arc-shaped cutting edge cutter is accurately positioned after the elliptical arc-shaped cutting edge cutter is installed, the positioning block is used for positioning the elliptical arc-shaped cutting edge cutter, the countersunk head through holes A are arranged on two sides and used for tensioning the elliptical arc-shaped cutting edge cutter inwards, the countersunk head screw holes A are arranged on the inner side and used for adjusting the elliptical arc-shaped cutting edge cutter outwards, the countersunk head through holes B are arranged on two sides and used for tensioning, the elliptic arc-shaped cutting edge is ensured to keep equal distance with the roller, and simultaneously, compared with the mode that the cutting edges are in linear contact, the noise is reduced during the operation.
Drawings
FIG. 1 is a schematic axial side view of a rotary knife holder of the film guiding and cutting machine, which is provided with 2 oval arc-shaped knife edge cutters and a rotary roller.
FIG. 2 is a schematic diagram of a side view of a rotary knife holder of the film guiding and cutting machine of the present invention, which is provided with 2 oval arc-shaped knife edge cutters and a rotary roller.
FIG. 3 is a schematic axial side view of the rotary tool holder of the present invention.
Fig. 4 is a schematic top view of the rotary tool holder of the present invention.
Fig. 5 is a front view of the rotary tool holder of the present invention.
In the figure: the device comprises a rotary roller 1, a rotary tool apron 2, an elliptic arc-shaped cutting edge cutter 3 and a positioning block 4;
a roller 101, a left rotating shaft A102 and a right rotating shaft A103;
the rotary tool apron comprises a rotary tool apron body 201, a left-end rotating shaft B202, a right-end rotating shaft B203, a cutter inclined mounting plate A204, a positioning block mounting hole A205, a threaded hole A206, a countersunk through hole A207, a countersunk screw hole A208, a cutter inclined mounting plate B209, a positioning block mounting hole B210, a threaded hole B211, a countersunk through hole B212 and a countersunk screw hole B213;
a cutter body 301, a positioning groove 302, a waist-shaped through hole 303 and an elliptic arc-shaped cutting edge 304.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, in an embodiment of the present invention, a rotary knife holder of a film guiding and cutting machine includes a rotary roller 1, a rotary knife holder 2 is disposed under the rotary roller 1, an elliptical arc-shaped knife edge cutting knife 3 is fixed on the rotary knife holder 2 through a screw, and a positioning block 4 is disposed between the rotary knife holder 2 and the elliptical arc-shaped knife edge cutting knife 3, so as to ensure accurate center positioning of the elliptical arc-shaped knife edge 3 after installation.
The rotary roller 1 comprises a roller 101, the left side of the roller 101 is connected with a left-end rotating shaft A102, and the right side of the roller 101 is connected with a right-end rotating shaft A103 for driving, supporting and rotating.
The rotary knife holder 2 comprises a rotary knife holder main body 201 arranged under the roller 101, the left side of the rotary knife holder main body 201 is connected with a left end rotating shaft B202, the right side of the rotary knife holder main body 201 is connected with a right end rotating shaft B203 for driving, supporting and rotating, a knife inclined mounting plate A204 is arranged above the rotary knife holder main body 201 and used for installing an elliptic arc-shaped knife edge cutting knife 3, a positioning block mounting hole A205 is arranged in the middle of the front end face of the knife inclined mounting plate A204, a plurality of threaded holes A206 distributed in equal distance are arranged on the front end face of the knife inclined mounting plate A204, a countersunk head through hole A207 and a countersunk screw hole A208 are arranged on the face of the rotary knife holder main body 201 perpendicular to the knife inclined mounting plate A204, a knife inclined mounting plate B209 is arranged below the rotary knife holder main body 201 and used for installing the elliptic arc-shaped knife edge cutting knife 3, a positioning block mounting hole B210 is, the terminal surface is provided with the screw hole B211 that the several equidistance distributes before cut-off knife slope mounting panel B209, it has countersunk head through-hole B212, countersunk head screw hole B213 to rotate to open on the face of blade holder main part 201 perpendicular to cut-off knife slope mounting panel B209.
Countersunk head through hole A207, countersunk head screw hole A208 are provided with two respectively, countersunk head through hole A207, countersunk head screw hole A208's central line and cut-off knife slope mounting panel A204's terminal surface parallel, countersunk head through hole A207 sets up in both sides for it is taut inwards with oval arc cutting edge cut-off knife 3, countersunk head screw hole A208 sets up in the inboard, is used for outwards adjusting oval arc cutting edge cut-off knife 3, guarantees that oval arc cutting edge 304 keeps equal distance with cylinder 101, and at the pivoted in-process, the cutting edge has formed a virtual cylinder shape, makes oval arc cutting edge 304 keep a point tangent with cylinder 101 all the time.
Countersunk head through hole B212, countersunk head screw hole B213 are provided with two respectively, countersunk head through hole B212, countersunk head screw hole B213's central line and cut-off knife slope mounting panel B209's terminal surface parallel, countersunk head through hole B212 sets up in both sides for it is taut inwards with oval arc cutting edge cut-off knife 3, countersunk head screw hole B213 sets up in the inboard, is used for outwards adjusting oval arc cutting edge cut-off knife 3, guarantees that oval arc cutting edge 304 keeps equal distance with cylinder 101, and at the pivoted in-process, the cutting edge has formed a virtual cylinder shape, makes oval arc cutting edge 304 keep a point tangent with cylinder 101 all the time.
Oval arc cutting edge cut-off knife 3 includes the cut-off knife body 301 of installing with cut-off knife slope mounting panel A204 respectively, cut-off knife body 301 middle part below is provided with constant head tank 302, be provided with the waist type through-hole 303 that the several equidistance distributes on the cut-off knife body 301, cut-off knife body 301 top is provided with oval arc cutting edge 304.
The locating slot 302 is connected with the locating block mounting hole A205 through the locating block 4, the locating slot 302 is connected with the locating block mounting hole B210 through the locating block 4, and the central positioning accuracy after the installation of the elliptic arc-shaped cutting edge cut-off knife 3 is guaranteed so as to position the elliptic arc-shaped cutting edge cut-off knife 3 through the installation of the locating block 4.
Waist type through-hole 303 sets up with screw hole A206 one-to-one respectively on oval arc cutting edge cut-off knife 3, waist type through-hole 303 passes through screw and screw hole A206 through threaded connection, adopts a plurality of screw connections, guarantees that the installation is reliable, the atress is even, oval arc cutting edge cut-off knife 3 goes up waist type through-hole 303 sets up with screw hole B211 one-to-one respectively, waist type through-hole 303 passes through screw and screw hole B211 through threaded connection, adopts a plurality of screw connections, guarantees that the installation is reliable, the atress is even, waist type through-hole 303's setting for oval arc cutting edge cut-off knife 3 is outside adjustment inwards.
Example 2
The intersection point of the axis a of the rotating shaft of the rotating tool holder 2 and the central line b of the middle mounting section of the rotating tool holder 2 is used as the central point for mounting the elliptic arc-shaped cutting edge cutter 3, the central point is provided with a mounting surface forming an included angle with the axis a, the included angle ranges from 6 degrees to 9 degrees, the mounting surfaces are symmetrically arranged on the periphery of the cylindrical surface of the rotating tool holder 2 along the axis a of the rotating shaft, and the included angles are the same.
Oval arc cutting edge cut-off knife 3 is provided with two, and the symmetry is installed on cut-off knife slope mounting panel A204 and cut-off knife slope mounting panel B209, cut-off knife slope mounting panel A204 and cut-off knife slope mounting panel B209 are kept away from to one side that oval arc cutting edge cut-off knife 3 has oval arc cutting edge 304, oval arc cutting edge 304's central point is on rotating 2 pivot axis a of blade holder in oval arc cutting edge cut-off knife 3.
The working principle of the invention is as follows: the left side of the rotating tool apron main body 201 is connected with a left end rotating shaft B202, the right side of the rotating tool apron main body 201 is connected with a right end rotating shaft B203 for driving, supporting and rotating, countersunk through holes A207 are arranged on two sides and used for tensioning the elliptical arc-shaped cutting edge cut-off knife 3 inwards, countersunk screw holes A208 are arranged on the inner sides and used for adjusting the elliptical arc-shaped cutting edge cut-off knife 3 outwards, countersunk through holes B212 are arranged on two sides and used for tensioning the elliptical arc-shaped cutting edge cut-off knife 3 inwards, the countersunk screw holes B213 are arranged on the inner sides and used for ensuring that the elliptical arc-shaped cutting edge 304 and the roller 101 keep equal distance, in the rotating process, the cutting edges form a virtual cylindrical shape, so that the elliptical arc-shaped cutting edge 304 always keeps one point tangent with the roller 101, the positioning groove 302 is connected with the positioning block mounting hole A205 through the positioning block 4, the center of the oval arc-shaped cutting edge cutter 3 is accurately positioned after installation, the oval arc-shaped cutting edge cutter 3 is positioned by the installation positioning block 4, the waist-shaped through holes 303 on the oval arc-shaped cutting edge cutter 3 are respectively arranged in a one-to-one correspondence with the threaded holes A206, the waist-shaped through holes 303 are in threaded connection with the threaded holes A206 through screws, and a plurality of screws are adopted for connection, so that the installation is reliable and the stress is uniform; the waist-shaped through holes 303 and the waist-shaped through holes 303 are arranged for inward and outward adjustment of the elliptic arc-shaped cutting edge cut-off knife 3, the intersection point of the central line B of the installation section between the rotating shaft axis a of the rotating knife holder 2 and the rotating knife holder 2 is used as the central point for installing the elliptic arc-shaped cutting edge cut-off knife 3, the central point is provided with an installation surface which forms an included angle with the axis a, the included angle ranges from 6 degrees to 9 degrees, the installation surface is symmetrically arranged at the periphery of the cylindrical surface of the rotating knife holder 2 along the rotating shaft axis a, the included angle is the same, the elliptic arc-shaped cutting edge cut-off knife 3 is provided with two parts which are symmetrically arranged on the inclined installation plate A204 of the cut-off knife and the inclined installation plate B209 of the cut-off knife, one side of the elliptic arc-shaped cutting edge 3 with the elliptic arc-shaped cutting edge 304 is far away from the inclined installation plate A204, the rotating knife holder 2 drives the two elliptic arc-shaped knife edge cutters 3 to rotate in the rotating process, and the elliptic arc-shaped knife edge cutters are matched with the rotating roller 1, so that the film can be successfully cut, and the noise in the working process is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a film is led and is cut machine and rotates blade holder, includes and rotates roller (1), its characterized in that, be provided with under rotation roller (1) and rotate blade holder (2), it has oval arc cutting edge cut-off knife (3) to rotate through the fix with screw on blade holder (2), it is provided with locating piece (4) to rotate between blade holder (2) and oval arc cutting edge cut-off knife (3).
2. The rotary blade holder of the film guiding and cutting machine according to claim 1, wherein the rotary roller (1) comprises a roller (101), a left rotating shaft A (102) is connected to the left side of the roller (101), and a right rotating shaft A (103) is connected to the right side of the roller (101).
3. The rotary knife holder of the film guiding and cutting machine according to claim 2, wherein the rotary knife holder (2) comprises a rotary knife holder main body (201) arranged under the roller (101), the left side of the rotary knife holder main body (201) is connected with a left end rotating shaft B (202), the right side of the rotary knife holder main body (201) is connected with a right end rotating shaft B (203), a cutter inclined mounting plate A (204) is installed above the rotary knife holder main body (201), the middle part of the front end surface of the cutter inclined mounting plate A (204) is provided with a positioning block mounting hole A (205), the front end surface of the cutter inclined mounting plate A (204) is provided with a plurality of threaded holes A (206) distributed at equal intervals, a countersunk through hole A (207) and a countersunk screw hole A (208) are arranged on the surface of the rotary knife holder main body (201) perpendicular to the cutter inclined mounting plate A (204), a cutter inclined mounting plate B (209) is installed under the rotary knife, the terminal surface middle part is provided with locating piece mounting hole B (210) before cut-off knife slope mounting panel B (209), the terminal surface is provided with screw hole B (211) that the several equidistance distributes before cut-off knife slope mounting panel B (209), it has countersunk head through-hole B (212), countersunk head screw hole B (213) to open on the face of rotation blade holder main part (201) perpendicular to cut-off knife slope mounting panel B (209).
4. The rotary blade holder of the film cutting and guiding machine of claim 3, wherein there are two countersunk head through holes A (207) and countersunk head screw holes A (208), the central lines of the countersunk head through holes A (207) and the countersunk head screw holes A (208) are parallel to the end surface of the inclined mounting plate A (204) of the cutting knife, the countersunk head through holes A (207) are disposed on both sides, and the countersunk head screw holes A (208) are disposed inside.
5. The rotary knife holder of the film cutting and guiding machine of claim 3, wherein there are two countersunk head through holes B (212) and two countersunk head screw holes B (213), the central lines of the countersunk head through holes B (212) and the countersunk head screw holes B (213) are parallel to the end surface of the inclined mounting plate B (209) of the cutting knife, the countersunk head through holes B (212) are disposed at both sides, and the countersunk head screw holes B (213) are disposed at the inner side.
6. The rotary knife holder of the film guiding and cutting machine according to claim 3, wherein the oval arc-shaped knife edge cutting knife (3) comprises a cutting knife body (301) respectively installed with a cutting knife inclined installation plate A (204), a positioning groove (302) is arranged below the middle part of the cutting knife body (301), a plurality of waist-shaped through holes (303) distributed at equal intervals are arranged on the cutting knife body (301), and the oval arc-shaped knife edge (304) is arranged above the cutting knife body (301).
7. The rotary blade holder of claim 6, wherein the positioning groove (302) is connected to the positioning block mounting hole A (205) through the positioning block (4), and the positioning groove (302) is connected to the positioning block mounting hole B (210) through the positioning block (4).
8. The rotary knife holder of the film guiding and cutting machine according to claim 6, wherein the waist-shaped through holes (303) on the elliptic arc-shaped cutting edge cutter (3) are respectively arranged corresponding to the threaded holes A (206) one by one, the waist-shaped through holes (303) are in threaded connection with the threaded holes A (206) through screws, the waist-shaped through holes (303) on the elliptic arc-shaped cutting edge cutter (3) are respectively arranged corresponding to the threaded holes B (211) one by one, and the waist-shaped through holes (303) are in threaded connection with the threaded holes B (211) through screws.
9. The rotary knife holder of the film guiding and cutting machine according to claim 1, characterized in that the intersection point of the axis a of the rotary knife holder (2) and the central line b of the middle mounting section of the rotary knife holder (2) is used as the central point for mounting the elliptic arc-shaped knife edge cutting knife (3), the central point is provided with a mounting surface which forms an included angle with the axis a, the included angle ranges from 6 degrees to 9 degrees, and the mounting surfaces are symmetrically arranged on the periphery of the cylindrical surface of the rotary knife holder (2) along the axis a of the rotary knife and have the same included angle.
10. The film guiding and cutting machine rotating knife holder according to claim 6, wherein there are two elliptical arc-shaped cutting edge cutters (3) symmetrically mounted on the cutter inclined mounting plate A (204) and the cutter inclined mounting plate B (209), one side of the elliptical arc-shaped cutting edge cutter (3) having the elliptical arc-shaped cutting edge (304) is away from the cutter inclined mounting plate A (204) and the cutter inclined mounting plate B (209), and the central point of the elliptical arc-shaped cutting edge (304) in the elliptical arc-shaped cutting edge cutter (3) is on the rotating shaft axis a of the rotating knife holder (2).
CN202010087035.9A 2020-02-11 2020-02-11 Rotating knife holder of film guide cutting machine Pending CN111331667A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994194A (en) * 1976-01-12 1976-11-30 Francesco Moceri Cutting apparatus
CN205870707U (en) * 2016-08-09 2017-01-11 海宁市粤海彩印有限公司 Device is cut to packaging film
CN107901259A (en) * 2017-12-21 2018-04-13 广西玲珑轮胎有限公司 A kind of rubber sheet guided cutting machine ellipse arc rotating roller knife
CN208323561U (en) * 2018-04-16 2019-01-04 东莞市华一新材料科技有限公司 A kind of BOPP film cutting device
CN209273589U (en) * 2018-12-25 2019-08-20 昆山意诺福半导体包装材料有限公司 The micromatic setting of packaging bag cutting knife

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994194A (en) * 1976-01-12 1976-11-30 Francesco Moceri Cutting apparatus
CN205870707U (en) * 2016-08-09 2017-01-11 海宁市粤海彩印有限公司 Device is cut to packaging film
CN107901259A (en) * 2017-12-21 2018-04-13 广西玲珑轮胎有限公司 A kind of rubber sheet guided cutting machine ellipse arc rotating roller knife
CN208323561U (en) * 2018-04-16 2019-01-04 东莞市华一新材料科技有限公司 A kind of BOPP film cutting device
CN209273589U (en) * 2018-12-25 2019-08-20 昆山意诺福半导体包装材料有限公司 The micromatic setting of packaging bag cutting knife

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