CN207467811U - A kind of rewinding machine cuts knife assembly - Google Patents
A kind of rewinding machine cuts knife assembly Download PDFInfo
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- CN207467811U CN207467811U CN201721418735.1U CN201721418735U CN207467811U CN 207467811 U CN207467811 U CN 207467811U CN 201721418735 U CN201721418735 U CN 201721418735U CN 207467811 U CN207467811 U CN 207467811U
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- Prior art keywords
- axle sleeve
- cutter
- hold
- knife assembly
- hole
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Abstract
The utility model is related to a kind of rewinding machines to cut knife assembly, including rack, cutter, axle sleeve, hold-fast ring and linear motion dynamical element.Rack includes two side walls and crossbeam, and side wall is equipped with mounting hole, and axle sleeve is inserted into mounting hole, and axle sleeve can be freely rotated in mounting hole.Axle sleeve through-hole, the axis of axle sleeve through-hole and the axis runout of sleeve outer surface are equipped in axle sleeve, the both ends of cutter are mounted in axle sleeve through-hole；Hold-fast ring is sleeved on the outer surface of axle sleeve, and hold-fast ring is fixedly connected with axle sleeve.One end of linear motion dynamical element is connect with rack, and the power output end for the dynamical element that moves along a straight line is connect with hold-fast ring.Such rewinding machine cuts knife assembly, cuts and is not required to carry out frequent start-stop to motor in work, cuts power foot, reduces the loss of electric machine, ensures equipment long-time steady operation.
Description
Technical field
The utility model is related to a kind of rewinding machine component, particularly a kind of rewinding machine cuts knife assembly.
Background technology
Rewinding machine is continuous with science and technology mainly for the production of wound roll material product, such as gift paper roll, toilet roll
Development and progress, occur in the market some can continuous production have the rewinding machine of core or centreless wound roll material so that wound roll material
Production efficiency greatly improves.
Each working portion of automation rewinding machine requirement rewinding machine realizes automation, therefore cut cutting for rewinding material
Knife assembly must also realize automated job.It carries out cutting work by power source drive when cutting work in general, cutting knife assembly
Industry, other times power source are stopped, cutting knife then remains stationary state.If power source uses motor, this is resulted in must
Power failure machine must frequently be played and cut operation to realize, the loss of electric machine is big, influences the stable operation of equipment；If power source uses gas
Cylinder, then easy presence, which is cut, is short of power, and cuts the problem of ineffective.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of rewinding machines to cut knife assembly, cuts and is not required in work pair
Motor carries out frequent start-stop, cuts power foot, reduces the loss of electric machine, ensures equipment long-time steady operation.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of rewinding machine cuts knife assembly, including rack, cutter, axle sleeve, hold-fast ring and linear motion dynamical element.Machine
Frame includes two side walls and crossbeam, and side wall is equipped with mounting hole, and axle sleeve is inserted into mounting hole, and axle sleeve can be certainly in mounting hole
By rotating.Axle sleeve through-hole, the axis of axle sleeve through-hole and the axis runout of sleeve outer surface are equipped in axle sleeve, the both ends of cutter are installed
In axle sleeve through-hole；Hold-fast ring is sleeved on the outer surface of axle sleeve, and hold-fast ring is fixedly connected with axle sleeve.Move along a straight line dynamical element
One end connect with rack, the power output end for the dynamical element that moves along a straight line is connect with hold-fast ring.
Non- to cut under state using such structure, cutter is rotated by motor, will not switch to rewinding material；And
When needing to cut, linear motion dynamical element driving hold-fast ring rotation, hold-fast ring drives axle sleeve rotation, since inner sleeve is led to
Certain displacement occurs for the axis in hole and the outer surface axis runout of axle sleeve, the axis of cutter, and cutter will switch to rewinding at this time
Material, completes to cut.
Further, rewinding machine cuts knife assembly and further includes axle sleeve bearing, and outer ring and the mounting hole of axle sleeve bearing coordinate, axis
The inner ring and sleeve outer surface for covering bearing coordinate.Since axle sleeve will rotate with respect to the mounting hole of rack, in axle sleeve and installation
Set axle sleeve bearing that can effectively improve the service life of axle sleeve between hole.
Further, rewinding machine cuts knife assembly and further includes cutter bearing, and outer ring and the axle sleeve through-hole of cutter bearing coordinate,
The both ends of cutter coordinate with the inner ring of cutter bearing.Cutter high-speed rotation under the driving of motor, sets between axle sleeve and cutter
Mechanical efficiency and durability can be effectively improved by putting bearing.
Further, linear motion dynamical element is cylinder or oil cylinder.Cylinder or oil cylinder are dynamic as typical linear motion
Power element can realize required function, while simplify drive mechanism.
Further, linear motion dynamical element is cylinder, and tail portion and the crossbeam of cylinder are hinged, the piston rod head of cylinder
It is hinged with hold-fast ring.The use of cylinder advantageously ensures that clean environment.
Further, hold-fast ring is equipped with opening, and the side of opening is equipped with stepped hole, and the other end of opening is equipped with screw thread
Hole.Using such mechanism, the stepped hole of screw from opening side is penetrated and is screwed with the threaded hole for the other end that is open, it is possible to
So that hold-fast ring holds axle sleeve tightly, complete to be fixedly connected.
Further, lug is additionally provided on hold-fast ring, one end of lug is connect with hold-fast ring, the other end and cylinder of lug
Piston rod head be hinged.The setting of lug solves the connectivity problem of cylinder and hold-fast ring, simple and convenient.
Further, cutter bearing is high-speed bearing group.The selection of high-speed bearing group can further improve the steady of component
It is qualitative.
Further, cutter includes roll body, blade and end axis, and for blade on roll body, end axis is separately mounted to roller
The both ends of body, end axis and the inner ring of cutter bearing coordinate.It using such structure, can effectively shorten the length of slitter shaft, drop
Low difficulty of processing improves the machining accuracy of cutter.
In short, such kind of rewinding machine cuts knife assembly, cut and be not required to carry out frequent start-stop to motor in work, cut dynamic
Power foot, reduces the loss of electric machine, ensures equipment long-time steady operation.
Description of the drawings
Fig. 1 is the structure diagram that rewinding machine cuts knife assembly；
Fig. 2 is the exploded perspective view that rewinding machine cuts knife assembly；
Fig. 3 is the structure diagram that rewinding machine cuts knife assembly bottom bracket axle；
Fig. 4 is the structure diagram that rewinding machine cuts hold-fast ring in knife assembly；
Fig. 5 is the structure diagram that rewinding machine cuts cutter in knife assembly；
Fig. 6 is the exploded perspective view that rewinding machine cuts cutter in knife assembly；
Wherein, rack -1, side wall -11, mounting hole -11a, crossbeam -12, cutter -2, roll body -21, blade -22, end axis -
23, axle sleeve -3, axle sleeve through-hole -31, hold-fast ring -4, opening -41, stepped hole -42, threaded hole -43, lug -44 move along a straight line dynamic
Power element -5, axle sleeve bearing -6, cutter bearing -7.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of rewinding machine cuts knife assembly, including rack 1, cutter 2, axle sleeve 3, hold-fast ring 4 and
Move along a straight line dynamical element 5.Rack 1 includes two side walls 11 and crossbeam 12, and side wall 11 is equipped with mounting hole 11a, and axle sleeve 3 inserts
In mounting hole 11a, axle sleeve 3 can be freely rotated in mounting hole 11a.
In the present embodiment, volume machine cuts knife assembly and further includes axle sleeve bearing 6, and outer ring and the mounting hole 11a of axle sleeve bearing 6 match
It closes, inner ring and 3 outer surface of axle sleeve of axle sleeve bearing 6 coordinate.Since axle sleeve 3 will rotate with respect to the mounting hole 11a of rack 1,
Set axle sleeve bearing 6 that can effectively improve the service life of axle sleeve 3 between axle sleeve 3 and mounting hole 11a.
As shown in figure 3, being equipped with axle sleeve through-hole 31 in axle sleeve 3, the axis and the axis of 3 outer surface of axle sleeve of axle sleeve through-hole 31 are inclined
From the both ends of cutter 2 are mounted in axle sleeve through-hole 31.Volume machine cuts knife assembly and further includes cutter bearing 7, cutter bearing 7 it is outer
Circle coordinates with axle sleeve through-hole 31, and the both ends of cutter 2 coordinate with the inner ring of cutter bearing 7.Cutter 2 turns at a high speed under the driving of motor
It is dynamic, set bearing that can effectively improve mechanical efficiency and durability between axle sleeve 3 and cutter 2.
Preferably, cutter bearing 7 is high-speed bearing group.The selection of high-speed bearing group can further improve the stabilization of component
Property.
As shown in figure 4, hold-fast ring 4 is sleeved on the outer surface of axle sleeve 3, hold-fast ring 4 is fixedly connected with axle sleeve 3.This implementation
Example in, hold-fast ring 4 be equipped with opening 41, be open 41 side be equipped with stepped hole 42, be open 41 the other end be equipped with threaded hole 43.
Using such mechanism, the stepped hole 42 of screw from 41 sides of opening is penetrated and is screwed with the threaded hole 43 for 41 other ends that are open,
It can be so that the holding axle sleeve 3 of hold-fast ring 4, completes to be fixedly connected.
Lug 44 is additionally provided on hold-fast ring 4, one end of lug 44 is connect with hold-fast ring 4, the other end and straight line of lug 44
Motion-promotion force element 5 is hinged.The setting of lug 44 solves the connectivity problem of linear motion dynamical element 5 and hold-fast ring 4, simply
It is convenient.
One end of linear motion dynamical element 5 is connect with rack 1, and the power output end for the dynamical element 5 that moves along a straight line is with embracing
Tight ring 4 connects.The dynamical element 5 that moves along a straight line is cylinder or oil cylinder.Cylinder or oil cylinder are as typical linear motion dynamical element 5
It can realize required function, while simplify drive mechanism.
In the present embodiment, linear motion dynamical element 5 is cylinder, and the tail portion of cylinder and crossbeam 12 are hinged, the piston of cylinder
Club head is hinged with hold-fast ring 4.The use of cylinder advantageously ensures that clean environment.
In addition as shown in Figure 5 and Figure 6, cutter 2 includes roll body 21, blade 22 and end axis 23, and blade 22 is mounted on roll body
On 21, end axis 23 is separately mounted to the both ends of roll body 21, and end axis 23 and the inner ring of cutter bearing 7 coordinate.Using such structure,
The length of slitter shaft can effectively be shortened, reduce difficulty of processing, improve the machining accuracy of cutter 2.
Non- to cut under state using such structure, cutter 7 is rotated by motor, will not switch to rewinding material；And
When needing to cut, linear motion dynamical element 5 drives hold-fast ring 4 to rotate, and hold-fast ring 4 drives axle sleeve 3 to rotate, due to inner shaft
The axis of through-hole 31 and the outer surface axis runout of axle sleeve 3 are covered, certain displacement occurs for the axis of cutter 7, and cutter 7 will at this time
Rewinding material is switched to, completes to cut.
Therefore, such kind of rewinding machine cuts knife assembly, cuts and is not required to carry out frequent start-stop to motor in work, cuts dynamic
Power foot, reduces the loss of electric machine, ensures equipment long-time steady operation.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this practicality
Within novel protection domain.
Claims (9)
1. a kind of rewinding machine cuts knife assembly, it is characterised in that：It is dynamic including rack, cutter, axle sleeve, hold-fast ring and linear motion
Power element；
The rack includes two side walls and crossbeam, and the side wall is equipped with mounting hole, and the axle sleeve is inserted into mounting hole, institute
Stating axle sleeve can be freely rotated in mounting hole；
Axle sleeve through-hole, the axis of the axle sleeve through-hole and the axis runout of sleeve outer surface, the cutter are equipped in the axle sleeve
Both ends be mounted on axle sleeve through-hole in；
The hold-fast ring is sleeved on the outer surface of axle sleeve, and the hold-fast ring is fixedly connected with axle sleeve；
One end of the linear motion dynamical element is connect with rack, and the power output end of the linear motion dynamical element is with embracing
Tight ring connection.
2. rewinding machine described in accordance with the claim 1 cuts knife assembly, it is characterised in that：Further include axle sleeve bearing, the axle sleeve
The outer ring of bearing coordinates with mounting hole, and inner ring and the sleeve outer surface of the axle sleeve bearing coordinate.
3. rewinding machine described in accordance with the claim 2 cuts knife assembly, it is characterised in that：Further include cutter bearing, the cutter
The outer ring of bearing coordinates with axle sleeve through-hole, and the both ends of the cutter coordinate with the inner ring of cutter bearing.
4. cut knife assembly according to the rewinding machine described in claim 1-3 any one, it is characterised in that：The linear motion is dynamic
Power element is cylinder or oil cylinder.
5. cut knife assembly according to the rewinding machine described in claim 4, it is characterised in that：The linear motion dynamical element is gas
Cylinder, tail portion and the crossbeam of the cylinder are hinged, and piston rod head and the hold-fast ring of the cylinder are hinged.
6. cut knife assembly according to the rewinding machine described in claim 5, it is characterised in that：The hold-fast ring is equipped with opening, institute
The side for stating opening is equipped with stepped hole, and the other end of the opening is equipped with threaded hole.
7. cut knife assembly according to the rewinding machine described in claim 6, it is characterised in that：Lug is additionally provided on the hold-fast ring,
One end of the lug is connect with hold-fast ring, and the other end of the lug and the piston rod head of cylinder are hinged.
8. cut knife assembly according to the rewinding machine described in claim 7, it is characterised in that：The cutter bearing is high-speed bearing
Group.
9. cut knife assembly according to rewinding machine according to any one of claims 8, it is characterised in that：The cutter include roll body, blade with
And end axis, the blade are mounted on roll body, the end axis is separately mounted to the both ends of roll body, the end axis and cutter bearing
Inner ring coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418735.1U CN207467811U (en) | 2017-10-30 | 2017-10-30 | A kind of rewinding machine cuts knife assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418735.1U CN207467811U (en) | 2017-10-30 | 2017-10-30 | A kind of rewinding machine cuts knife assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207467811U true CN207467811U (en) | 2018-06-08 |
Family
ID=62265567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721418735.1U Active CN207467811U (en) | 2017-10-30 | 2017-10-30 | A kind of rewinding machine cuts knife assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207467811U (en) |
-
2017
- 2017-10-30 CN CN201721418735.1U patent/CN207467811U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321000 Zhejiang Province, Jinhua City Jindong District Town Village early Patentee after: Jinhua Shengchang Technology Co., Ltd Address before: 321000 Zhejiang Province, Jinhua City Jindong District Town Village early Patentee before: JINHUA SHENGCHANG MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |