CN109457375A - A kind of 2.5D precast body weft yarn cutting mechanism - Google Patents
A kind of 2.5D precast body weft yarn cutting mechanism Download PDFInfo
- Publication number
- CN109457375A CN109457375A CN201811373568.2A CN201811373568A CN109457375A CN 109457375 A CN109457375 A CN 109457375A CN 201811373568 A CN201811373568 A CN 201811373568A CN 109457375 A CN109457375 A CN 109457375A
- Authority
- CN
- China
- Prior art keywords
- weft yarn
- bracket
- circular knife
- precast body
- cutting mechanism
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/70—Devices for cutting weft threads
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a kind of 2.5D precast body weft yarn cutting mechanisms, it is used to cut off the weft yarn of precast body, the 2.5D precast body weft yarn cutting mechanism includes rack, bracket is installed on the rack, the bracket has installation end and free end, the installation end of bracket passes through shaft hingedly on the rack, and circular knife is rotatably mounted on the free end of bracket and drives the first motor of circular knife rotation；Piston cylinder is installed on the rack, the piston rod of the piston cylinder is actively resisted against on the downside of bracket, bracket can with piston rod it is flexible, swung up and down by center axis of shaft, so that circular knife be driven to swing up and down；When piston rod stretches out upwards, circular knife is located at the top of weft yarn, and when piston rod retracts downwards, bracket moves down circular knife and cut off weft yarn to lower swing.Using the present invention, automatic operation is realized by control first motor and piston cylinder, it is artificial to reduce to reach the realization of 2.5D braider automatic weaving, improve weaving efficiency.
Description
Technical field
The present invention relates to a kind of 2.5D precast body weft yarn cutting mechanisms, shear specifically for the weft yarn of precast body, especially suitable
For the weft yarn shearing of 2.5D automatic knitting machine at work, belong to knitting skill field.
Background technique
To be manufactured be a kind of novel weaved technology for 2.5D braiding, it be yarn beam in three dimensions along through to and broadwise
Orthogonal both direction is distributed and the overall structure formed together that is interweaved, and has special as compound made of reinforcement
Material members have many advantages, such as light weight, high intensity, excellent in mechanical performance, at present aerospace, defence and military,
The various fields such as communications and transportation, the energy are widely used, and constantly extend to civil field.2.5D braiding apparatus such as Fig. 1
It is shown, for the basic manufacturing theory figure of 2.5D braiding.During manufacture, warp-wise yarn beam 1 on creel 2 by drawing, by one
Set pattern rule after being then passed through reed 5, is clamped across the heddle eyelet 4 for the heald that is connected with harness cord 3 by fixture 6；Shedding motion 8 controls comprehensive
Silk eye 4 is gone up and down, and warp-wise yarn beam 1 is made to form multiple shed opens；Weft yarn is introduced through shed open by weft insertion device 7；After wefting insertion, reed 5 is by latitude
Yarn pushes fell to；It deflects from mechanism to draw the precast body of formation, forms a manufacture circulation.
Picking motion is that 2.5D weaves one of five big kinematic systems in prefabricated body formed manufacture, and molding manufactures high thickness 2.5D
Precast body is woven, in knitting forming manufacturing process, the fell height of precast body constantly changes, and the broad-wise yarn beam of introducing will be with knitting
Open height changes and changes, and the wefting insertion that 2.5D weaves in prefabricated body formed manufacture at present generallys use artificial wefting insertion then artificial hand
It is dynamic to cut weft yarn, the weft yarn automatic shearing of 2.5D automatic knitting machine at work can not be applicable in.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, a kind of precast body weft yarn cutting mechanism is provided, to utilize the weft yarn
Cutting mechanism realizes that 2.5D automatic knitting machine at work automatically shears weft yarn.The present invention adopts the following technical scheme:
A kind of 2.5D precast body weft yarn cutting mechanism, is used to cut off the weft yarn of precast body, the 2.5D precast body
Weft yarn cutting mechanism includes rack, is equipped with bracket on the rack, which has an installation end and a free end, the peace of bracket
It fills end and passes through shaft hingedly on the rack, circular knife and driving circular knife rotation are rotatably mounted on the free end of bracket
First motor；
It is fixedly installed with piston cylinder on the rack, bracket has a downside downward, the piston rod of the piston cylinder
Actively be resisted against on the downside of bracket, bracket can with piston rod it is flexible, swung up and down by center axis of shaft, thus
Circular knife is driven to swing up and down；
When piston rod stretches out upwards, circular knife is located at the top of weft yarn, and when piston rod retracts downwards, bracket is to the bottom
It is dynamic, it moves down circular knife and cuts off weft yarn.
In the application, above-mentioned bracket can be mounted directly on the rack, or be installed indirectly by other components
On the rack, i.e., bracket can be mounted directly on the rack, can also be mounted on the rack by the way of bridge joint.
Preferably, the piston cylinder is pneumatic cylinder or hydraulic cylinder.
Using the Telescopic of the piston rod of piston cylinder, swing bracket around the shaft, to drive circular knife or more
It swings, when braider is when being woven, piston rod is in stretching state, and circular knife is made to be maintained at the top of weft yarn, completes
After braiding, when needing to cut off weft yarn, starts piston cylinder, retract piston rod, bracket to lower swing, opens simultaneously around the shaft
Dynamic first motor, rotates circular knife, and under the drive of bracket, circular knife, which moves down, cuts off weft yarn, completes weft yarn cutting
Afterwards, it stretches out piston rod upwards again, moves up circular knife, braider can carry out wefting insertion action next time.
After applying the present invention, automatic operation can be realized by control first motor and piston cylinder, to reach 2.5D
The realization of braider automatic weaving, it is artificial so as to reduce, improve weaving efficiency.
Merely circular knife is moved up and down using piston cylinder, the weft yarn of 20mm precast body can be less than with cutting thickness.
Further, cut for the weft yarn to the thicker precast body of thickness, be equipped on the rack guide part, cam and
The second motor for driving cam rotation, is provided with the guide rod being movably connected on guide part along the vertical direction, and the lower end of guide rod is living
It is resisted against on cam dynamicly, the installation end of bracket is hinged on guide rod by above-mentioned shaft；When cam rotation, which can
Drive leader moves up and down, and circular knife is driven to move up and down.
Guide rod can be made to move up and down by cam, to increase the fluctuation range of circular knife, make circular knife can be with
The weft yarn of precast body of the cutting thickness greater than 20mm.
Specifically, the guide part is guide sleeve, and the guide sleeve is actively set on guide rod.Using guide sleeve conduct
Guide part can simplify device structure, and guide rod enable neatly to move along guide sleeve, avoids generating Caton phenomenon, guarantee
The reliability of equipment.
Further, it is sheared for the weft yarn to different height, at work, starts the second motor first, drive cam
Rotation, adjusts the height of guide rod, so that circular knife is located at the top for needing the weft yarn sheared, then starts first motor, make dise knife
Piece rotation, then starts piston cylinder, moves down the piston rod of piston cylinder, and circular knife is driven to move down corresponding weft yarn
Cutting.
To increase the flexibility between cam and guide rod, the idler wheel being resisted against on cam is installed in the lower end of guide rod.
Detailed description of the invention:
Fig. 1 is the basic manufacturing theory figure of 2.5D precast body braiding apparatus.
Fig. 2 is the structure diagram of an embodiment of 2.5D precast body weft yarn cutting mechanism.
Fig. 3 is that 2.5D precast body weft yarn cutting mechanism completes the state diagram after weft yarn cutting.
Fig. 4 is the structure diagram of another embodiment of 2.5D precast body weft yarn cutting mechanism.
Specific embodiment:
Embodiment 1:
As shown in Fig. 2, a kind of 2.5D precast body weft yarn cutting mechanism, is used to cut off weft yarn, the 2.5D is prefabricated
Body weft yarn cutting mechanism includes rack 50, is equipped with what guide sleeve 15, cam 13 and driving cam 13 rotated in rack 50
Second motor, the second motor are not shown in the accompanying drawings, are provided with the guide rod 14 being movably connected on guide sleeve along the vertical direction, are led
The lower end of bar 14 is actively resisted against on cam 13, and the installation end 102 of bracket 10 is hinged on the top of guide rod 14 by shaft 16,
One end of the separate installation end 102 of bracket 10 is formed as free end 103, is rotatably mounted circular knife on the free end 103
11 and driving circular knife rotation first motor 9.In the present embodiment, circular knife 11 is mounted on solid by rolling bearing 104
On dead axle 105, which is fixedly mounted on the output shaft of first motor 9.The lower end of guide rod be equipped be resisted against it is convex
Idler wheel 18 on wheel.
One pneumatic cylinder 12 is installed on the side wall of guide rod 14, which is located at the lower section of bracket 10, pneumatic cylinder 12
Piston rod 121 extend along the vertical direction, bracket 10 have a downside 101 downward, piston rod 121 actively against
On the downside of bracket 101, when piston rod 121 stretches along the vertical direction, bracket 10 being capable of stretching, to turn with piston rod
Axis 16 is that center axis is swung up and down, so that circular knife 11 be driven to swing up and down.
When piston rod stretches out upwards, circular knife is located at the top of weft yarn, and when piston rod retracts downwards, bracket is to the bottom
It is dynamic, it moves down circular knife and cuts off weft yarn.
When cam rotation, the cam can drive leader move up and down, and circular knife is driven to move up and down.
The power that pneumatic cylinder is swung as bracket is used in the present embodiment, it will be understood that in other embodiments, also
The power that can be swung using hydraulic cylinder as bracket.
The course of work of the present embodiment is illustrated below, the thickness of the precast body corresponding to the weft yarn to be cut off
When less than 20mm, start the second motor first, then rotation cam 13 is closed referring to Fig. 3, guide rod is made to move down into extreme lower position
The second motor is closed, keeps guide rod in the position, while the piston rod 121 of pneumatic cylinder 12 being made to keep stretching state, so that dise knife
Piece 11 is located at the top of corresponding weft yarn, after completing the traction of the weft yarn, starts pneumatic cylinder 12, piston rod 121 is made to contract downwards
It returns, bracket drives circular knife to move down under gravity to lower swing, at this point, first motor has driven circular knife
Rotation completes the cutting to weft yarn while circular knife moves down, and after the cutting for completing weft yarn, closes first motor, and
It stretches out piston rod upwards, so that bracket is swung up return in situ, and drive circular knife to move back up original position simultaneously.
When the thickness of the precast body corresponding to the weft yarn to be cut off is greater than 20mm, cam is needed to participate in movement, with complete
The cutting of pairs of weft yarn, is specifically described below.Then start first motor, rotate circular knife, then start piston
Cylinder moves down the piston rod of piston cylinder, drives circular knife to move down and cuts off corresponding weft yarn.
Please refer to Fig. 2 and Fig. 3, when needing to shear weft yarn, start the second motor first, driving cam turns
It is dynamic, the height of guide rod and holding are adjusted, and the piston rod of pneumatic cylinder is made to keep stretching state, circular knife is made to be located at what needs were sheared
The top of weft yarn, as shown in Figure 2.Then the traction for carrying out corresponding weft yarn after the traction for completing the weft yarn, starts first motor,
Circular knife starts turning, and then starts pneumatic cylinder, retracts piston rod downwards, and circular knife completes downwards the cutting to weft yarn.By
In the movement of guide rod, the range that circular knife moves up and down is increased, makes that cut coverage is descended to increase thereon.
It is appreciated that when the present invention is only used for the weft yarn of precast body of the cutting thickness less than 20mm, referring to Fig. 4, can
To cancel cam, the second motor and guide rod, it is connected directly between bracket 810 in rack 850 by shaft 816, utilizes air pressure
The flexible completion circular knife of the piston rod of cylinder 812 moves up and down.
Claims (6)
1. a kind of 2.5D precast body weft yarn cutting mechanism, is used to cut off the weft yarn of precast body, be characterized in that, the 2.5D
Precast body weft yarn cutting mechanism includes rack, is equipped with bracket on the rack, which has an installation end and a free end, branch
The installation end of frame passes through shaft hingedly on the rack, and circular knife and driving dise knife are rotatably mounted on the free end of bracket
The first motor of piece rotation；
It is fixedly installed with piston cylinder on the rack, bracket has a downside downward, the piston rod activity of the piston cylinder
Ground is resisted against on the downside of bracket, bracket can with piston rod it is flexible, swung up and down by center axis of shaft, to drive
Circular knife is swung up and down；
When piston rod stretches out upwards, circular knife is located at the top of weft yarn, when piston rod retracts downwards, bracket to lower swing,
It moves down circular knife and cuts off weft yarn.
2. 2.5D precast body weft yarn cutting mechanism according to claim 1, which is characterized in that be equipped with guiding on the rack
Second motor in portion, cam and driving cam rotation, is provided with the guide rod being movably connected on guide part along the vertical direction, leads
The lower end of bar is actively resisted against on cam, and the installation end of bracket is hinged on guide rod by above-mentioned shaft；
When cam rotation, the cam can drive leader move up and down, and circular knife is driven to move up and down.
3. 2.5D precast body weft yarn cutting mechanism according to claim 2, which is characterized in that the guide part is guiding
Set, the guide sleeve are actively set on guide rod.
4. 2.5D precast body weft yarn cutting mechanism according to claim 2, which is characterized in that at work, start first
Second motor, driving cam rotation, adjusts the height of guide rod, so that circular knife is located at the top for needing the weft yarn sheared, then open
Dynamic first motor, rotates circular knife, then starts piston cylinder, move down the piston rod of piston cylinder, drive circular knife to
Corresponding weft yarn is cut off in lower movement.
5. 2.5D precast body weft yarn cutting mechanism according to claim 1, which is characterized in that be equipped in the lower end of guide rod
The idler wheel being resisted against on cam.
6. 2.5D precast body weft yarn cutting mechanism according to claim 1, which is characterized in that the piston cylinder is pneumatic cylinder
Or hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373568.2A CN109457375B (en) | 2018-11-19 | 2018-11-19 | 2.5D prefabricated part weft shearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373568.2A CN109457375B (en) | 2018-11-19 | 2018-11-19 | 2.5D prefabricated part weft shearing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109457375A true CN109457375A (en) | 2019-03-12 |
| CN109457375B CN109457375B (en) | 2020-06-16 |
Family
ID=65610796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811373568.2A Active CN109457375B (en) | 2018-11-19 | 2018-11-19 | 2.5D prefabricated part weft shearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109457375B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE893404A (en) * | 1981-08-27 | 1982-10-01 | Dornier Gmbh Lindauer | WIRE SHEAR |
| US20090065089A1 (en) * | 2007-09-10 | 2009-03-12 | Sultex Ag | Cutting Apparatus For A Weaving Machine And Method For The Operation Of The Same |
| CN202466091U (en) * | 2012-03-12 | 2012-10-03 | 天津海天长丰科技开发有限公司 | Cutting device for carbon fiber unidirectional belt |
| CN204982245U (en) * | 2015-09-21 | 2016-01-20 | 浙江泰坦股份有限公司 | Rapier weaving machine electron filling cutter mechanism |
| CN105765122A (en) * | 2013-10-24 | 2016-07-13 | 米歇尔.范德威尔公司 | Device for cutting off length of weft yarn during weaving on weaving machine and the weaving machine provided with the device |
| CN205398871U (en) * | 2016-02-22 | 2016-07-27 | 石家庄常山纺织股份有限公司 | Carbon fiber braider weft insertion device |
| CN106245208A (en) * | 2016-08-30 | 2016-12-21 | 江苏友诚数控科技有限公司 | A kind of air-jet loom reed moves latitude shearing machine structure |
-
2018
- 2018-11-19 CN CN201811373568.2A patent/CN109457375B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE893404A (en) * | 1981-08-27 | 1982-10-01 | Dornier Gmbh Lindauer | WIRE SHEAR |
| US20090065089A1 (en) * | 2007-09-10 | 2009-03-12 | Sultex Ag | Cutting Apparatus For A Weaving Machine And Method For The Operation Of The Same |
| CN202466091U (en) * | 2012-03-12 | 2012-10-03 | 天津海天长丰科技开发有限公司 | Cutting device for carbon fiber unidirectional belt |
| CN105765122A (en) * | 2013-10-24 | 2016-07-13 | 米歇尔.范德威尔公司 | Device for cutting off length of weft yarn during weaving on weaving machine and the weaving machine provided with the device |
| CN204982245U (en) * | 2015-09-21 | 2016-01-20 | 浙江泰坦股份有限公司 | Rapier weaving machine electron filling cutter mechanism |
| CN205398871U (en) * | 2016-02-22 | 2016-07-27 | 石家庄常山纺织股份有限公司 | Carbon fiber braider weft insertion device |
| CN106245208A (en) * | 2016-08-30 | 2016-12-21 | 江苏友诚数控科技有限公司 | A kind of air-jet loom reed moves latitude shearing machine structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109457375B (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1022497C (en) | Terry method and loom having pile-forming elements | |
| CN106367877B (en) | Method for knitting a fabric, net-shaped fabric knitted by the method and knitting machine | |
| CN104294464B (en) | Three-dimensional tubular loom | |
| CN104005156A (en) | Rapier loom special for wide fabric | |
| CN106042109A (en) | Palm curtain knitting machine | |
| CN104141200B (en) | A kind of non-woven fabrics acupuncture equipment | |
| CN109457375A (en) | A kind of 2.5D precast body weft yarn cutting mechanism | |
| CN109457369A (en) | A kind of weft yarn clamping device | |
| CN210856488U (en) | Become and hand over mechanism and silk screen weaving equipment thereof | |
| US3016068A (en) | Loom for weaving non-cylindrical fabrics | |
| US7028718B2 (en) | Method for manufacturing a fabric and an apparatus for manufacturing a fabric | |
| CN109554808B (en) | Weft insertion mechanism and knitting machine | |
| CN2284655Y (en) | Prebending wire network loom | |
| CN205035557U (en) | Velvet apparatus for producing | |
| CN202157160U (en) | Electronic opening device capable of opening freely at multiple positions | |
| CN104499145A (en) | Suspender opening mechanism and plastic woven fabric water-jet loom | |
| CN117779292B (en) | Camouflage shielding base cloth structure and production device thereof | |
| CN208261755U (en) | Plane galvanized hexagonal wire mesh automatic knitting machine | |
| CN110409054B (en) | Full-line anchor knitting device | |
| DE102013003439A1 (en) | Method for producing round woven hose with variable diameter, involves varying diameter of tubular fabric by continuously raising or lowering webrings on circular loom while simultaneously changing diameter of webrings | |
| CN102286822B (en) | Electronic opening device capable of casually opening at multiple positions | |
| CN204325664U (en) | A kind of two-layer fabric cutter sweep | |
| CN210657380U (en) | Yarn feeding device applied to three-dimensional annular four-step method weaving | |
| CN117779292A (en) | Camouflage shielding base cloth structure and production device thereof | |
| CN110760979A (en) | Rapier loom for weft yarn bundle weaving and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200214 Address after: 210012, No. 30, Xi An Road, Yuhua West Road, Jiangsu, Nanjing Applicant after: Nanjing Glass Fibre Research and Design Institute company limited Address before: Jiangning District of Nanjing City, Jiangsu province 210000 Jiangning Science Park Tong Road No. 99 Applicant before: Sinoma Science & Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |