CN200949148Y - Pulling device of flat knitting machine - Google Patents
Pulling device of flat knitting machine Download PDFInfo
- Publication number
- CN200949148Y CN200949148Y CN 200620107173 CN200620107173U CN200949148Y CN 200949148 Y CN200949148 Y CN 200949148Y CN 200620107173 CN200620107173 CN 200620107173 CN 200620107173 U CN200620107173 U CN 200620107173U CN 200949148 Y CN200949148 Y CN 200949148Y
- Authority
- CN
- China
- Prior art keywords
- drive roll
- driven voller
- support
- conveyer belt
- roller
- 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.)
- Ceased
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Abstract
The utility model relates to a draw device of flat knitting machine, which is composed of two sets of transmission mechanism in symmetrical installation and a transmission belt. Each transmission mechanism individually consists of a driver roller and a driven roller. The transmission belt is sleeved on the outside of driver roller and driven roller, which are tensed by the transmission belt. The section area of the driver roller is bigger than that of the driven roller. A bracket is arranged between the driver roller and the driven roller, and the bracket section is ladder-like shaped. The upper and lower ends of the bracket are respectively touched with the circular arc of the river roller and the driven roller. The river roller is positioned rotatablely on the machine bracket, which is driven by a motor through the transmission mechanism, and the driven roller is arranged on the bracket through the bracket. The utility model has a simple design as well as easy operation and installation, moreover, the draw force stressed on the knitting things is stable and consistent.
Description
Technical field
The utility model relates to a kind of flat machine, refers in particular to the pulling device of flat machine.
Background technology
The tractive output procedure of knitted fabric after circle is moved back in lopping is that the knitted fabric that will form pulls out from knitting point, sends to after the fabric certain force of strain.Tractive is very big to the quality influence of knitting cycle and product, should possess following basic demand: because knitting cycle carries out continuously, should require also continuously operation of tractive motion; The tractive tension force that acts on each coil will stablize, evenly, unanimity; Tractive amount and lopping technology in tractive tension force, unit interval are synchronous; Primary characteristic such as smoothness, anti-fracture energy and the fibre space elasticity that can keep textile material.
At present in the Knitting Machinery, the draw-off mechanism of computer flat knitting machine has that Weight type, pecten formula, roller formula, pin are brush, cam-type etc., their common ground is with the part of metal structure fiber to be exerted pressure, thereby fiber is produced the influence of destructive power: the differential between the linear velocity of lopping process speed and the motion of tractive component surface forms mantle friction to fiber, makes fiber surface produce vaporific even fluffing; The point of metal surface, line constitute local damage to the pressure and the frictional force of fiber to fiber surface, make the fibrous inside natural structure change, and therefore fiber radial width attenuation, length direction stretcher strain can occur under its fracture strength permission situation.
Chinese patent specification 200510041554.7 discloses a kind of flat knitting machine fabric stretching apparatus, it is made up of the conveyer belt transmission mechanism of two symmetries, big roller and little roller are by the feed belt transmission, owing to can regulate very for a short time by clearance adjustment mechanism between two final drive gears, therefore driving belt can be realized fabric is carried out tractive, thereby makes the stressed uniformity of fabric face.But the design of the clearance adjustment mechanism in this structure is complicated, and volume is big, is difficult for installing and regulating.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of pulling device of flat machine, and this pulling device not only can make the traction force stable and consistent that fabric is suffered, and simplicity of design, operation and installation easily.
For this reason, the pulling device of flat machine described in the utility model, form by two groups of transmission mechanisms that are symmetrical set and conveyer belt, every group of transmission mechanism comprises a drive roll, one driven voller, drive roll and driven voller are with conveyer belt outward and with its tensioning, it is characterized in that: the sectional area of drive roll is greater than driven voller; Be provided with a support between drive roll and the driven voller, this support cross section is that class is trapezoidal, and two ends contact with the circular arc of drive roll and driven voller respectively up and down; Drive roll is installed in rotation on the frame, and is driven by motor by transmission mechanism, and driven voller is put by described support and is placed on the drive roll.
As a kind of preferred version of the present utility model, the outer surface of this drive roll is provided with some circumferential grooves, and the inboard of conveyer belt also is provided with some circumferential grooves, and both are chimeric mutually.
Further, there is end cap at the drive roll two ends, and the extended line of this end cap and driven voller intersects.
Described conveyer belt can be the conveyer belt of whole wide cut; Also can be some conveyer belts in a narrow margin; Conveyer belt can cover the whole axial length of drive roll and driven voller, also can only cover the part of drive roll and driven voller, can finish tractive and get final product; When conveyer belt was made up of some conveyer belts in a narrow margin, each conveyer belt in a narrow margin can be to be closely aligned together, also can be that arrange the compartment of terrain.
Support described in the utility model can be strip, and its cross section is that class is trapezoidal.Also can be the short support of several bulks, its cross section is that class is trapezoidal, by an axle with their cross-under together.Can also be the short support of several bulks, its cross section is that class is trapezoidal, axially rabbets together mutually at it with dovetail groove between the short support.
At inlet two ends, the gap of two transmission mechanisms that pass for fabric, can be provided with guide to parts, realize effect to channeling conduct of fabric travel direction and control.
Connecting axle two ends below drive roll can respectively be provided with one jiao of aluminium, angle aluminium positioned beneath one microswitch.
After adopting such structure, when the utility model is worked, the driven by motor drive roll relatively rotates to the centre, conveyer belt drives the driven voller rotation, utilize conveyer belt to give the frictional force of driven voller, make driven voller draw close to the centre, the conveyer belt of drive roll and driven voller overcoat is followed rotation and is adjacent to the centre.At this moment drive roll, the driven voller on the same group is consistent with the conveyer belt rotation direction, with other one group direction of rotation.
When fabric enters two spaces between the driven voller, driven voller is drawn close, and will draw close compressing to fabric in the face of the two relative conveyer belts of direction of rotation that are provided with, and fabric is produced traction force, and fabric is pulled out.At this moment, the traction action power on the fabric of being acted on is face contact tractive, acts on the tractive tension stability of each coil, equal even unanimities.In order to prevent that fabric is transmitted the roll coil of strip and rotates together, the connecting axle two ends below drive roll respectively are provided with one jiao of aluminium, angle aluminium positioned beneath one microswitch.If fabric is transmitted the roll coil of strip together, fabric can touch to angle aluminium, and the microswitch below angle aluminium can touch after being subjected to certain pressure automatically is just this moment, whole system can be sent failure alarm signal.
Owing to support the support simplicity of design of driven voller, only matching with drive roll and driven voller just to reach the purpose in adjustment tractive gap, of the present utility modelly uses and installs and safeguard very convenient.
Description of drawings
Fig. 1 is the partial sectional view of the utility model tractive structure.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the partial top view and the drawing in side sectional elevation of the utility model tractive structure stand.
Fig. 4 is the partial top view of the another kind of embodiment of the utility model tractive structure stand.
The specific embodiment
From Fig. 1 to the utility model embodiment shown in Figure 5 as can be known, its tractive structure is made of the support 4 of drive roll 5, driven voller 3 and support driven voller, and drive roll 5 is installed on the support 10, links to each other with motor 11.Support 4 cross sections are that class is trapezoidal, match with the circular arc of drive roll 5 and driven voller 3 respectively in its two ends, and driven voller 3 is put by support 4 and is placed on the drive roll 5, and there are conveyer belt 2 tensionings drive roll 5 and driven voller 3 and support outside.The outer surface of drive roll 5 is provided with some circumferential grooves, and the inboard of conveyer belt 2 also is provided with some grooves longitudinally, and both are chimeric mutually.Be provided with guide to parts 1 between the two tractive structures.
Fig. 1 has provided the cutaway view of tractive structure, wherein is provided with one jiao of aluminium 7 below drive roll 5, on the angle aluminium 7 microswitch is installed, angle aluminium 7 is installed on the support 9, when fabric from guide when parts 1 fall, if fabric is followed conveyer belt 2 rotation around together, angle aluminium 7 can send alarm sound.
Fig. 3 has provided a kind of embodiment that supports driven voller 3 supports 4, and the support 4 that supports driven voller 3 is the trapezoidal short support of class for there are some cross sections of axle 12 centre, by axle 12 with its cross-under together.Wherein with on the one side that driven voller 3 contacts have longitudinal groove,, make to be difficult between driven voller and the support being offset with the circumferential grooves tabling on driven voller 3 outer surfaces.
Fig. 4 has provided another embodiment of support 4, and being some cross sections is the trapezoidal short support 4 of class, is that dovetail groove 13 is in the same place in its axially mutual interlocking with 14 between the short support 4.
When the utility model was started working, motor 11 drove drive roll 5 runnings, owing to be subjected to tightly being enclosed within the tensile force of drive roll 5, driven voller 3 outer conveyer belts 2, driven voller 3 is followed drive roll 5 and rotated.When drive roll 5 when rotate the centre, driven voller 3 and conveyer belt 2 are also followed to the centre and are drawn close.When fabric from guide when parts 1 fall, conveyer belt 2 can clamp fabrics and pull downwards, the active force that at this moment acts on fabric is evenly distributed on driven voller 3 axial lengths, fabric is stressed evenly, can not produce metaboly.
Claims (8)
1. the pulling device of flat machine, be made up of two groups of transmission mechanisms that are symmetrical set and conveyer belt, every group of transmission mechanism comprises a drive roll, a driven voller, drive roll and driven voller are with conveyer belt outward and with its tensioning, it is characterized in that: the sectional area of drive roll is greater than driven voller; Be provided with a support between drive roll and the driven voller, this support cross section is that class is trapezoidal, and two ends contact with the circular arc of drive roll and driven voller respectively up and down; Drive roll is installed in rotation on the frame, and is driven by motor by transmission mechanism, and driven voller is put by described support and is placed on the drive roll.
2. pulling device as claimed in claim 1 is characterized in that: the outer surface of drive roll is provided with some circumferential grooves, and the inboard of conveyer belt also is provided with some circumferential grooves, and both are chimeric mutually.
3. pulling device as claimed in claim 2 is characterized in that: there is end cap at the drive roll two ends, and the extended line of this end cap and driven voller intersects.
4. pulling device as claimed in claim 3 is characterized in that: described conveyer belt is the conveyer belt of whole wide cut.
5. pulling device as claimed in claim 3 is characterized in that: described conveyer belt is some conveyer belts in a narrow margin.
6. as claim 4 or 5 described pulling devices, it is characterized in that: described support is a strip, and its cross section is that class is trapezoidal.
7. as claim 4 or 5 described pulling devices, it is characterized in that: described support is the short support of several bulks, and its cross section is that class is trapezoidal, by an axle with their cross-under together.
8. as claim 4 or 5 described pulling devices, it is characterized in that: described support is the short support of several bulks, and its cross section is that class is trapezoidal, axially rabbets together mutually at it with dovetail groove between the short support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107173 CN200949148Y (en) | 2006-08-29 | 2006-08-29 | Pulling device of flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107173 CN200949148Y (en) | 2006-08-29 | 2006-08-29 | Pulling device of flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200949148Y true CN200949148Y (en) | 2007-09-19 |
Family
ID=38891692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620107173 Ceased CN200949148Y (en) | 2006-08-29 | 2006-08-29 | Pulling device of flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200949148Y (en) |
-
2006
- 2006-08-29 CN CN 200620107173 patent/CN200949148Y/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Yuren Knitting Machine Co., Ltd. Assignor: Sun Pingfan Contract fulfillment period: 2008.9.25 to 2013.9.30 Contract record no.: 2008330000932 Denomination of utility model: Pulling device of flat knitting machine Granted publication date: 20070919 License type: Exclusive license Record date: 20081009 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.25 TO 2013.9.30; CHANGE OF CONTRACT Name of requester: NINGBO CITY YUREN KNITTING MACHINE CO., LTD. Effective date: 20081009 |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20081203 Decision number of declaring invalidation: 12704 |