CN107761241B - Grey cloth pulling device of circular knitting machine - Google Patents
Grey cloth pulling device of circular knitting machine Download PDFInfo
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- CN107761241B CN107761241B CN201711229694.6A CN201711229694A CN107761241B CN 107761241 B CN107761241 B CN 107761241B CN 201711229694 A CN201711229694 A CN 201711229694A CN 107761241 B CN107761241 B CN 107761241B
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- support
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- mounting
- unidirectional rotating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention relates to a round machine grey cloth pulling device which comprises a bracket for installing a compression roller set and a rocker arm installed on the compression roller set, wherein a pressing wheel is arranged on one side of the rocker arm, a pressing block for driving the pressing wheel to move up and down is arranged on a frame of a round machine, an elastic part is arranged on the other side of the rocker arm, the upper end of the elastic part is connected to the rocker arm, and the lower end of the elastic part is connected to the bracket. According to the invention, by utilizing the structural characteristics of the circular knitting machine, the pressing block periodically presses the pressing wheel in the rotating process of the support, so that the rocker arm is driven to swing, and the traction action is realized.
Description
Technical Field
The invention relates to a gray fabric pulling device of a circular knitting machine.
Background
After the knitting is completed, the circular knitting machine needs a proper pulling force to act on the grey cloth so as to facilitate the follow-up knitting. The traditional circle machine traction device comprises a rocker arm arranged on a driving roller of a compression roller set and a cylinder for driving the rocker arm to rotate, wherein two contacts on the rocker arm are used for respectively controlling a control valve to control gas in and out of the cylinder, and a piston rod of the cylinder is used for pushing the rocker arm to swing and draw grey cloth. With this structure, there are also the following problems: 1. the air inlet and outlet contacts at the two ends of the control valve are easy to shift, so that air outlet cannot be completed, and the pulling can stop working; 2; when the pressure of the gas in the pipe is insufficient, the cylinder piston pushing the rocker arm cannot reach the working position in time, and the traction can stop working; 3, a step of; when a vamp with a certain thickness is woven, the traction force is required to be increased, the existing cylinder piston cannot drive the traction device after the traction force is increased to work, and the traction is also stopped; 4, a step of; the existing traction maintenance device is high in maintenance cost.
In view of this, the present inventors have conducted intensive studies on the above problems, and have made the present invention.
Disclosure of Invention
The invention aims to provide the round machine grey cloth pulling device which is more stable in operation, simple in structure, low in cost and capable of reducing energy consumption.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a circle machine grey cloth draw gear, is including the support that is used for installing compression roller group and install the rocking arm on compression roller group, one side of rocking arm is equipped with the pinch roller, is equipped with the briquetting that is used for driving the pinch roller and reciprocates in the frame of circle machine, and the opposite side of rocking arm is equipped with elastomeric element, and elastomeric element's upper end is connected on the rocking arm, elastomeric element's lower extreme is connected on the support.
As a preferred mode of the present invention, the swing arm includes an annular mounting portion for mounting to the platen roller set, a first mounting arm connected to the annular mounting portion, and a second mounting arm provided separately on both sides in a radial direction of the annular mounting portion.
As a preferred mode of the present invention, the pinch roller is mounted on the first mounting arm by an L-shaped link.
In a preferred mode of the invention, the elastic component is a spring, an upper mounting column for hanging the spring is arranged on the second mounting arm, a lower mounting column for hanging the spring is arranged on the bracket corresponding to the upper mounting column, the upper end of the spring is hung on the upper mounting column, and the lower end of the spring is hung on the lower mounting column.
In a preferred embodiment of the present invention, the plurality of upper mounting posts are provided on the second mounting arm in a radial direction of the annular mounting portion, and the plurality of lower mounting posts are provided.
As a preferable mode of the invention, the bracket is provided with the mounting block and also comprises a tension adjusting block which is connected to the mounting block in a threaded manner through an adjusting screw in an up-down adjustable manner, and the adjusting screw is matched with a positioning nut.
As a preferable mode of the invention, the tension adjusting block is provided with a plurality of mounting holes, the plurality of mounting holes are distributed along the vertical direction, and the lower mounting column is arranged in the mounting holes.
As a preferable mode of the invention, the invention further comprises a limit arm arranged on the annular mounting part, a support block is arranged on the support, a first limit screw corresponding to the limit arm is arranged on the support block, a first limit nut and a second limit nut are matched on the first limit screw, the first limit nut and the second limit nut are respectively arranged on two sides of the support block, the first limit screw is arranged along the horizontal direction, a screw hole arranged along the vertical direction is formed on the first limit screw, the invention further comprises a second limit screw for limiting the swing amplitude of the second mounting arm, the second limit screw is in threaded connection with the screw hole, a third limit nut and a fourth limit nut are arranged on the second limit screw, and the third limit nut and the fourth limit nut are respectively arranged on two sides of the first limit screw.
As an optimal mode of the invention, a plurality of pressing blocks are arranged, the pressing blocks are uniformly distributed on a frame of the circular machine along the circumferential direction, and the pressing blocks are provided with guide inclined planes for propping the pressing wheels.
As a preferable mode of the invention, the bracket comprises a first bracket and a second bracket, the first bracket and the second bracket are arranged on a turntable of the circular knitting machine, the press roller group comprises a driving roller, a first driven roller and a second driven roller which are in transmission connection, the driving roller, the first driven roller and the second driven roller are all arranged between the first bracket and the second bracket, the press roller group further comprises a first unidirectional rotating piece and a second unidirectional rotating piece, an inner ring of the first unidirectional rotating piece is fixedly connected with the driving roller, an outer ring of the first unidirectional rotating piece is arranged on the rocker arm, an inner ring of the second unidirectional rotating piece is fixedly connected with the driving roller, an outer ring of the second unidirectional rotating piece is arranged on the first bracket, and limiting directions of the first unidirectional rotating piece and the second unidirectional rotating piece are opposite, and the first unidirectional rotating piece and the second unidirectional rotating piece are unidirectional bearings or ratchet components.
After the technical scheme of the invention is adopted, the pressing block periodically presses the pressing wheel in the rotating process of the bracket by utilizing the self structural characteristics of the circular knitting machine, so that the rocker arm is driven to swing, and the traction action is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the ratchet-to-ratchet engagement of the present invention;
in the figure:
10-turntable 11-first support
12-second bracket 20-Rocker arm
21-first mounting arm 22-second mounting arm
23-annular mounting 24-spacing arm
30-Press roll set 31-drive roll
32-first driven roller 33-second driven roller
34-ratchet 35-ratchet
40-L connecting rod 41-pinch roller
Panel 51-briquetting of 50-circle machine
52-guiding inclined plane 60-first limit screw
61-support block 62-first stop nut
63-second stop nut 64-second stop screw
65-third limit nut 66-fourth limit nut
70-tensioning block 71-mounting block
72-positioning nut 73-adjusting screw
74-mounting hole 80-spring
81-upper mounting post 82-lower mounting post
Detailed Description
For further explanation of the technical scheme of the present invention, the following is described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a gray fabric pulling device for a circular knitting machine comprises a bracket for installing a press roller set 30 and a rocker arm 20 installed on the press roller set 30, wherein one side of the rocker arm 20 is provided with a press wheel 41, a press block 51 for driving the press wheel 41 to move up and down is arranged on a frame of the circular knitting machine, specifically, the press block is arranged on the lower end face of a panel 50 of the circular knitting machine, the panel 50 of the circular knitting machine is used for installing a knitting mechanism (not shown in the figure), the other side of the rocker arm 20 is provided with an elastic component, the upper end of the elastic component is connected to the rocker arm 20, and the lower end of the elastic component is connected to the bracket. The invention contributes to the prior art in that the traction device and other structures of the circular knitting machine can directly adopt the structures in the prior art, the support comprises a first support 11 and a second support 12, the first support 11 and the second support 12 are arranged on a rotary table 10 of the circular knitting machine, the rotary table 10 can be a gear rotary table for driving a needle cylinder of the circular knitting machine to rotate, the rotary table 10 is generally driven by a motor, and the rotary table 10 drives the first support 11 and the second support 12 to rotate in cooperation with a knitting mechanism, so that a panel 50 of the circular knitting machine is stationary in the knitting process. The press roll set 30 includes a driving roll 31, a first driven roll 32 and a second driven roll 33 which are connected in a transmission manner, the grey cloth is wound around the driving roll 31, the first driven roll 32 and the second driven roll 33, and the driving roll 31, the first driven roll 32 and the second driven roll 33 receive the grey cloth woven by the weaving mechanism. The driving roller 31, the first driven roller 32 and the second driven roller 33 are all arranged between the first bracket 11 and the second bracket 12, and the driving roller 31, the first driven roller 32 and the second driven roller 33 are connected through gear transmission.
The invention also comprises a first unidirectional rotating member and a second unidirectional rotating member, wherein the inner ring of the first unidirectional rotating member is fixedly connected with the driving roller 31, the outer ring of the first unidirectional rotating member is arranged on the rocker arm 20, the inner ring of the second unidirectional rotating member is fixedly connected with the driving roller 31, the outer ring of the second unidirectional rotating member is arranged on the first bracket 11, the limiting directions of the first unidirectional rotating member and the second unidirectional rotating member are opposite, in the embodiment, the first unidirectional rotating member can drive the driving roller 31 to rotate clockwise and can not drive the driving roller 31 to rotate anticlockwise, the second unidirectional rotating member is used for limiting the driving roller 31 to rotate anticlockwise, the first unidirectional rotating member and the second unidirectional rotating member are unidirectional bearings or ratchet assemblies, and fig. 3 shows the structure of the ratchet assembly, and the ratchet assembly comprises a ratchet 34 and a ratchet 35 which are matched with each other. According to the invention, when the spring 80 returns downwards, the rocker arm 20 is driven to rotate clockwise through the first unidirectional rotating piece, so that the driving roller 31 is driven to rotate clockwise, and the driving roller 31 is matched with the first driven roller 32 and the second driven roller 33 to realize downwards pulling of grey cloth; when the spring 80 stretches upwards, the first unidirectional rotating member does not apply an acting force to the driving roller 31, at this time, under the elastic action of the grey cloth, the driving roller 31 has a tendency to rotate anticlockwise, and the second unidirectional rotating member limits the anticlockwise rotation of the driving roller 31, so that the retraction of the grey cloth is avoided, and the stable traction of the grey cloth is ensured.
The rocker arm 20 is arranged on the driving roller 31 through a ratchet wheel 34 and a ratchet wheel 35, the rocker arm 20 is arranged corresponding to the first bracket 11, the ratchet wheel 35 is fixedly connected with the driving roller 31, the ratchet wheel 34 is matched outside the ratchet wheel 35, and unidirectional rotation of the driving roller 31, the first driven roller 32 and the second driven roller 33 can be realized through the ratchet wheel 35 and the driving roller 31, so that unidirectional traction of grey cloth is realized.
In the embodiment of the present invention, the swing arm 20 is provided at the upper end of the first bracket, the swing arm 20 includes an annular mounting portion 23 for mounting to the press roller group 30, a first mounting arm 21 and a second mounting arm 22 connected to the annular mounting portion 23, the annular mounting portion 23 is mounted on the driving roller 31, the first mounting arm 21 and the second mounting arm 22 are provided separately on both sides in the radial direction of the annular mounting portion 23, and the first mounting arm 21 and the second mounting arm 22 on the annular mounting portion 23 are integrally formed.
As a preferred mode of the present invention, the pressing wheel 41 is mounted on the first mounting arm 21 through the L-shaped link 40, and the L-shaped link 40 may be fixed to the first mounting arm 21 directly by a screw, and the pressing wheel 41 may be rotatably mounted on the other end portion of the L-shaped link 40.
As a preferable mode of the present invention, the elastic member is a spring 80, an upper mounting post 81 for hanging the spring 80 is provided on the second mounting arm 22, a lower mounting post 82 for hanging the spring 80 is provided on the bracket corresponding to the upper mounting post 81, an upper end of the spring 80 is hung on the upper mounting post 81, a lower end of the spring 80 is hung on the lower mounting post 82, and the spring 80 is arranged along a vertical direction.
As a preferred embodiment of the present invention, the plurality of upper mounting posts 81 are provided on the second mounting arm 22 in the radial direction of the annular mounting portion 23, and the plurality of lower mounting posts 82 are provided. With this structure, a plurality of springs 80 can be provided between the plurality of upper mounting posts 81 and the plurality of lower mounting posts 82, and the pulling force can be adjusted by adjusting the number of the springs 80 to accommodate different woven materials.
As a preferable mode of the invention, the bracket is provided with a mounting block 71, the mounting block 71 is arranged along the horizontal direction, the bracket further comprises a tension adjusting block 70, the tension adjusting block 70 is connected on the mounting block 71 in a threaded manner through an adjusting screw 73 in a vertically adjustable manner, the adjusting screw 73 is matched with a positioning nut 72, the position of the adjusting screw 73 is adjusted in the vertical direction, and the positioning nut 72 is used for further positioning, so that the expansion and contraction amount of the spring 80 is adjusted, and the pulling and pulling force of the grey cloth is adjusted. As a preferred mode of the present invention, the tension adjusting block 70 is provided with a plurality of mounting holes 74, the mounting holes 74 are opened in a horizontal direction, the plurality of mounting holes 74 are arranged in a vertical direction, the lower mounting posts 82 are arranged in the mounting holes 74, and with this structure, the lower mounting posts 82 are arranged in different mounting holes 74, the stretching amount of the springs 80 can be adjusted, thereby achieving the purpose of adjusting the pulling tension of the grey cloth.
As a preferred mode of the present invention, the present invention further includes a limiting arm 24 disposed on the annular mounting portion 23, the limiting arm 24 is disposed between the first mounting arm 21 and the second mounting arm 22, in an embodiment, the limiting arm 24 is disposed above the first mounting arm 21 and the second mounting arm 22, a support block 61 is disposed on the bracket, a first limiting screw 60 corresponding to the limiting arm 24 is disposed on the support block 61, a first limiting nut 62 and a second limiting nut 63 are fitted on the first limiting screw 60, the first limiting screw 62 and the second limiting nut 63 are disposed on both sides of the support block 61, the first limiting screw 60 is disposed along a horizontal direction, a screw hole disposed along a vertical direction is disposed on the first limiting screw 60, a second limiting screw 64 is screwed into the screw hole, a third limiting screw 65 and a fourth limiting screw 66 are disposed on the second limiting screw 64 along a vertical direction, and the third limiting screw 65 and the fourth limiting screw 66 are disposed on both sides of the first limiting screw 60. With this structure, if the cloth is broken, the swing arm 20 and the L-shaped link 41 are moved forward and upward by the tension of the spring 80, and the first limit screw 60 prevents the pinch roller 41 from excessively moving upward, thereby avoiding a safety accident caused by collision of the pinch roller 41 and the gear belt protection cover of the circular machine. If the whole needle dial and the loop of the needle cylinder are completely loosed and the loop of the needle cylinder is loosed, the knitting wool tissue is required to be re-knitted by using the elastic yarn, the pulling spring 80 is required to be disassembled to stop the pulling temporarily before the newly knitted cloth surface reaches the pulling, the L-shaped connecting rod 40 and the pinch roller 41 after the spring 80 is disassembled slide downwards due to natural inertia, and the second limit screw 64 plays a limiting role, so that the L-shaped connecting rod 41 and the pinch roller 40 are prevented from colliding with the frame of the circular knitting machine due to excessive sliding of the rocker arm 20, and the pulling device works within a given safe range to ensure smooth production.
As a preferable mode of the invention, the number of the pressing blocks 51 is four, in the figure, the pressing blocks 51 are uniformly distributed on the frame of the circular machine along the circumferential direction, the pressing blocks 51 are provided with the guide inclined planes 52 for pressing the pressing wheels 4151, the guide inclined planes 52 are obliquely arranged downwards, and the pressing wheels 40 roll on the guide inclined planes 52 and are pressed downwards.
According to the technical scheme, when the machine starts to prepare for knitting, the pinch roller 41 is at an initial pulling position, after the machine starts to knit, the gray fabric is pulled downwards under the action of the spring 80, meanwhile, the pinch roller 41 and the rocker arm 20 move downwards together with the spring 80, after 3 systems of the circular machine work, the turntable 10 drives the L-shaped connecting rod 41 to drive the rocker arm 20 to rotate, the pinch roller 41 returns to the initial position under the action of the pressing block 51, the pressing block 51 presses the pinch roller 41 once after the machine passes through 3 systems, swing of the rocker arm 20 is achieved, a foundation is provided for stable pulling, and the pulling is always kept in a set working range.
The form of the present invention is not limited to the illustrations and examples, and any person who performs a similar idea of the present invention should be regarded as not departing from the scope of the patent of the invention.
Claims (6)
1. The utility model provides a circle machine grey cloth draw gear, includes the support that is used for installing compression roller group and installs the rocking arm on compression roller group, its characterized in that: one side of rocking arm is equipped with the pinch roller, is equipped with the briquetting that is used for driving the pinch roller and reciprocates in the frame of circular knitting machine, and the opposite side of rocking arm is equipped with elastomeric element, and elastomeric element's upper end is connected on the rocking arm, elastomeric element's lower extreme is connected on the support, the rocking arm including being used for install to annular mounting portion, the first installation arm and the second installation arm of connection on annular mounting portion of compression roller group divide and establish in the radial both sides of annular mounting portion, the pinch roller passes through L type connecting rod to be installed on the first installation arm, elastomeric element is the spring be equipped with on the second installation arm and be used for hanging the last erection column of putting the spring correspond on the support and be equipped with the lower erection column that is used for hanging the spring, the upper end of spring is hung and is put on the erection column down, still including setting up limit arm on the annular mounting portion be equipped with the supporting shoe on the support piece, be equipped with the first stop screw that corresponds with the stop arm on the supporting shoe, first stop screw has first stop screw to cooperate first stop screw and second stop screw to set up at the first side of limit screw and second limit screw, the second nut is equipped with the second stop screw along setting up the second screw in the first side of limit screw, the second nut sets up the second nut along the first direction, the first limit screw that the second limit screw is equipped with the second limit screw, the second nut is perpendicular limit screw of setting up.
2. A circular knitting machine blank pulling apparatus as defined in claim 1, wherein: the upper mounting columns are multiple, the multiple upper mounting columns are arranged on the second mounting arm along the radial direction of the annular mounting part, and the multiple lower mounting columns are multiple.
3. A circular knitting machine blank pulling apparatus as defined in claim 1, wherein: the support is provided with a mounting block and further comprises a tension adjusting block, the tension adjusting block is connected to the mounting block in a threaded mode through an adjusting screw in an up-down adjusting mode, and the adjusting screw is matched with a positioning nut.
4. A circular knitting machine blank pulling apparatus as defined in claim 3, wherein: the tension adjusting block is provided with a plurality of mounting holes, the mounting holes are distributed along the vertical direction, and the lower mounting column is arranged in the mounting holes.
5. A circular knitting machine blank pulling device as claimed in any one of claims 1 to 4, characterized in that: the pressing blocks are multiple, the pressing blocks are uniformly distributed on the frame of the circular machine along the circumferential direction, and guide inclined planes for propping the pressing wheels are arranged on the pressing blocks.
6. A circular knitting machine blank pulling device as claimed in any one of claims 1 to 4, characterized in that: the support includes first support and second support, and first support and second support are installed on the carousel of circular knitting machine, compression roller group is including the drive roll, first driven voller and the second driven voller of transmission connection, and drive roll, first driven voller and second driven voller all erect between first support and second support, still include first unidirectional rotating piece and second unidirectional rotating piece, the inner circle and the drive roll fixed connection of first unidirectional rotating piece, the outer lane of first unidirectional rotating piece is installed on the rocking arm, the inner circle and the drive roll fixed connection of second unidirectional rotating piece, the outer lane of second unidirectional rotating piece is installed on first support, and the spacing direction of first unidirectional rotating piece and second unidirectional rotating piece is opposite, and first unidirectional rotating piece and second unidirectional rotating piece are one-way bearing or ratchet subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229694.6A CN107761241B (en) | 2017-11-29 | 2017-11-29 | Grey cloth pulling device of circular knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229694.6A CN107761241B (en) | 2017-11-29 | 2017-11-29 | Grey cloth pulling device of circular knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107761241A CN107761241A (en) | 2018-03-06 |
| CN107761241B true CN107761241B (en) | 2023-05-26 |
Family
ID=61277074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229694.6A Active CN107761241B (en) | 2017-11-29 | 2017-11-29 | Grey cloth pulling device of circular knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107761241B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222889A (en) * | 1963-05-06 | 1965-12-14 | Singer Co | Dial drive for knitting machines |
| JPS61174456A (en) * | 1985-01-25 | 1986-08-06 | 株式会社 福原精機製作所 | Drive apparatus in wind-up part of circular knitting machine |
| EP1731649B1 (en) * | 2005-06-03 | 2012-03-07 | Pai Lung Machinery Mill Co., Ltd. | High-speed high-stand fabric take-up device with uniform fabric tautness arrangement |
| CN201151793Y (en) * | 2008-01-14 | 2008-11-19 | 楼根友 | Inner wear machine with cloth-turning rack device |
| IT1394554B1 (en) * | 2009-06-08 | 2012-07-05 | Santoni & C Spa | DEVICE FOR DRAWING THE FORM IN TRAINING FOR CIRCULAR KNITTING MACHINES. |
| CN103132226B (en) * | 2013-03-15 | 2014-06-04 | 厦门纬天机械有限公司 | Improved device for knitting machine batching mechanism |
| CN207904471U (en) * | 2017-11-29 | 2018-09-25 | 晋江百润织造有限公司 | A kind of circular knitting machine fabric pulling device |
-
2017
- 2017-11-29 CN CN201711229694.6A patent/CN107761241B/en active Active
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| CN107761241A (en) | 2018-03-06 |
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Address after: 362000 No. 177, Zhizao Avenue, Jinjiang Economic Development Zone (Food Park), Quanzhou City, Fujian Province Applicant after: Bairun (Jinjiang) Technology Co.,Ltd. Address before: No. 177, Shenghui Road, West District, Shanqian village, Yonghe Town, Jinjiang City, Quanzhou City, Fujian Province, 362200 Applicant before: JINJIANG BAIRUN WEAVING Co.,Ltd. |
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