CN110407027A - A kind of Weaving device weaving roller frame - Google Patents
A kind of Weaving device weaving roller frame Download PDFInfo
- Publication number
- CN110407027A CN110407027A CN201910713951.6A CN201910713951A CN110407027A CN 110407027 A CN110407027 A CN 110407027A CN 201910713951 A CN201910713951 A CN 201910713951A CN 110407027 A CN110407027 A CN 110407027A
- Authority
- CN
- China
- Prior art keywords
- steering arm
- weaving
- weaving roller
- secondary steering
- roller frame
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/26—Supports for guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Looms (AREA)
Abstract
The invention discloses a kind of Weaving device weaving roller frame, including installation pedestal, first section steering arm, secondary steering arm, micro-adjusting mechanism and weaving roller placing mechanism, the right end of the just section steering arm is movably arranged on the top of installation pedestal inner cavity, the secondary steering arm is movably arranged on the left end of first section steering arm, the micro-adjusting mechanism is arranged on secondary steering arm, the weaving roller placing mechanism is arranged in the positive left side of secondary steering arm, Weaving device weaving roller frame, broken the whole up into parts the installation and substitute mode of formula using the unilateral insertion of modularization, increase the operability and convenience when one-man job, number of yarns in each work unit is reduced, the investigation of yarn breakage and failure can be rapidly performed by, it is more visual and clear, so that can carry out moving towards progress multi-angle to textile yarn in actual production Change and adjustment, better adaptability can satisfy the use demand of different time sections or environment.
Description
Technical field
The present invention relates to technical field of textile equipment, specially a kind of Weaving device weaving roller frame.
Background technique
Currently, present weaving has been not only traditional hand spinning with the continuous improvement of social overall productivity
And woven fabric, gradually there are nonwoven fabric technology, Modern three-dimensional knitting skill, the clothes of the productions such as modern electrostatic nano-netting technology
It is used with, industry, decorative textile product, wherein modern textile refers to the Multi-scale model processing skill of a kind of fiber or fiber assembly
Art, but in caused by spinning industrial production removes large-scale process equipment, wherein most commonly seen and be most intuitively weaving roller
, especially in caused by spinning industrial production instantly, weaving roller can be described as a kind of essential device.
Weaving roller play the role of in Weaving device it is indispensable, either carry out in the production line using when
Or replacement after limit restriction state, be need shelf to be placed, that is, weaving roller frame, wherein under restriction state
The weaving roller frame for placing weaving roller be primarily used to placement weaving roller, conveniently taking use and avoids accumulating extruding
There is a damage and relatively conventional, but being used to place the weave shelf of roller in production line is to be directly related to entire production
The production of line, therefore the good weaving roller frame of a performance will directly affect to the work of textile manufacturing, as in
State's patent discloses " a kind of roll change bracket of multiaxis weaving wrap-up " (patent No.: CN103964242B), and patent institute is public
The technical solution opened be mainly pass through manually its can fast implement full volume winding up roller lift work, so that the replacement for winding up roller is brought
It is convenient;As Chinese patent discloses " a kind of thread supplying device for simulating warp beam " (patent No.: CN103132218B), the technical solution
In it is very close between preceding Wirewinding roller and false warp beam, and compressed by tension spring, it is further to control yarn opening herein
Power, above-mentioned technical solution have accomplished to carry out quick-replaceable to weaving roller in production respectively and to the controls of yarn tension,
But the production cost for influencing whether to weave in volume and complexity is either integrally occupied in equipment.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of Weaving device weaving roller frame, textile manufacturing is solved
In the process weaving roller using control precision is not high and adaptive ability poor easy influence textile manufacturing economic benefit the problem of.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of Weaving device weaving roller frame,
Including installation pedestal, first section steering arm, secondary steering arm, micro-adjusting mechanism and weaving roller placing mechanism, the bottom of the installation pedestal
Portion is fixedly mounted by bolt and textile machinery, and the right end of the just section steering arm is movably arranged on the top of installation pedestal inner cavity
Portion, the secondary steering arm are movably arranged on the left end of first section steering arm, and the micro-adjusting mechanism is arranged on secondary steering arm, institute
Weaving roller placing mechanism is stated to be arranged in the positive left side of secondary steering arm.
Preferably, the installation pedestal is spill seat, and the positive top of installation pedestal, which is run through, is connected with fixing bolt, described first
It being socketed on the outer ring of fixing bolt on the right side of secondary steering arm, whole device uses hollow design, as far as possible reduction overall weight,
Give textile machine reduce burden, first steering arm be it is rough be adjusted, specific tensioning dynamics just can be good at control,
It is substantially carried out quick position correction.
Preferably, the micro-adjusting mechanism include dial, installation axle, fine tuning pointer, barrier rib, positioning strip, star gear piece and
Agree with mouth, the opposite side of the dial is fixedly welded with the front of secondary steering arm with the back side respectively, and the installation axle is passed through
The formula of wearing is mounted on the inner cavity of secondary steering arm, and the opposite one side of the fine tuning pointer is fixed with the front of installation axle with the back side respectively
Welding, the barrier rib are fixedly welded on fine tuning pointer on the side of dial, and the positioning strip is fixedly welded on secondary
On steering arm, the star gear piece is socketed on the outer ring of installation axle, front and the back for agreeing with mouth and being provided with secondary steering arm
On face, what the scale of dial indicated is to rotate an angle, and yarn can be furthered at a distance from device by changing angle, and control is tightened
Dynamics, and will not influence when being finely adjusted the progress of spinstry, secondary steering arm is heeling condition, therefore
It is entirely to be rotated automatically by self gravity when fine tuning, reduces the workload of adjusting, it is more simple and convenient.
Preferably, the weaving roller placing mechanism includes arc port, card adapter plate, shim, hollow sleeve fitted tube, compensation bullet
Spring, weaving roller, impact piece and balance protrusion, the arc port are provided with the positive left side of secondary steering arm, and the card adapter plate is living
The dynamic inner cavity for being connected to secondary steering arm, the shim are overlapped on the front of secondary steering arm, and the hollow sleeve fitted tube passes through
The formula of wearing is mounted on the inner cavity of arc port, is fixedly welded at the top of the top of the spinning counterbalance spring and arc port inner wall, the spinning
It knits roller to be socketed on the outer ring of hollow sleeve fitted tube, the top of the impact piece and the bottom of counterbalance spring are fixedly welded, described flat
Weighing apparatus protrusion is arranged on the outer wall of shim.
Preferably, it is in contact at the top of the bottom of the barrier rib and positioning strip, the width of the barrier rib is positioning strip
The thickness of twice of width, the star gear piece is equal with the width for agreeing with mouthful inner wall, the thickness of the star gear piece and positioning strip
Width is equal.
(3) beneficial effect
The present invention provides a kind of Weaving device weaving roller frame.Have it is following the utility model has the advantages that
(1), the Weaving device with weaving roller frame, using the unilateral insertion of modularization break the whole up into parts formula installation and replacement side
Formula increases operability and convenience when one-man job, and the number of yarns in each work unit is reduced, can be with
It is rapidly performed by the investigation of yarn breakage and failure, it is more visual and clear.
(2), Weaving device weaving roller frame, the design and installation mode of multisection type, so that can be into actual production
The change and adjustment of moving towards carry out multi-angle of the row to textile yarn, better adaptability can satisfy different time sections or ring
The use demand in border.
(3), Weaving device weaving roller frame, the main purpose for designing micro-adjusting mechanism are accurate control to yarn tension
System, scientific carry out spinstry, movement range is relatively small, and avoiding may be since the fault of worker generates the tension cliff of displacement
The problem of formula variation causes the soft tangled up and knotted of yarn to influence production appearance.
(4), Weaving device weaving roller frame, weaving roller placing mechanism are equipped with modularization Wire guide roller, in process of production
The variation that adaptive pressure i.e. yarn tightens dynamics, tension adaptive strain in real time can be carried out with the variation of velocity of rotation
Change the quality that textile product can be greatly improved.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is micro-adjusting mechanism structural schematic diagram of the present invention;
Fig. 3 is the secondary steering arm positive structure schematic of the present invention;
Fig. 4 is the secondary steering arm side structure schematic diagram of the present invention.
In figure: 1 installation pedestal, 101 fixing bolts, 2 just section steering arms, 3 two steering arms, 4 micro-adjusting mechanisms, 401 dials,
Mouth, 5 weaving rollers placement machines are agreed in 402 installation axles, 403 fine tuning pointers, 404 barrier ribs, 405 positioning strips, 406 star gear pieces, 407
Structure, 501 arc ports, 502 card adapter plates, 503 shims, 504 hollow sleeve fitted tubes, 505 counterbalance springs, 506 weaving rollers, 507 impacts
Piece, 508 balance protrusions.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of Weaving device weaving roller frame, including installation base
Seat 1, first section steering arm 2, secondary steering arm 3, micro-adjusting mechanism 4 and weaving roller placing mechanism 5, the bottom of installation pedestal 1 passes through spiral shell
Bolt and textile machinery are fixedly mounted, and the right end of first section steering arm 2 is movably arranged on the top of 1 inner cavity of installation pedestal, secondary steering
Arm 3 is movably arranged on the left end of first section steering arm 2, and micro-adjusting mechanism 4 is arranged on secondary steering arm 3, and weaving roller placing mechanism 5 is set
It sets in the positive left side of secondary steering arm 3, installation pedestal 1 is spill seat, and the positive top of installation pedestal 1, which is run through, is connected with fixation
The right side of bolt 101, first steering arm 2 is socketed on the outer ring of fixing bolt 101, and whole device uses hollow design, as far as possible
Reduce overall weight, textile machine given to reduce burden, first steering arm 2 be it is rough be adjusted, it is specific to be tensioned dynamics just
It can be good at control, be substantially carried out quick position correction, micro-adjusting mechanism 4 refers to including dial 401, installation axle 402, fine tuning
Needle 403, barrier rib 404, positioning strip 405, star gear piece 406 and agree with mouth 407, the opposite side of dial 401 respectively with it is secondary
The front of steering arm 3 is fixedly welded with the back side, and 402 penetration type of installation axle is mounted on the inner cavity of secondary steering arm 3, finely tunes pointer
403 opposite one sides are fixedly welded with the front of installation axle 402 with the back side respectively, and barrier rib 404 is fixedly welded on fine tuning pointer
403 on the side of dial 401, and positioning strip 405 is fixedly welded on secondary steering arm 3, and star gear piece 406 is socketed in installation
On the outer ring of axis 402, agrees with mouth 407 and be provided on the front and the back side of secondary steering arm 3, what the scale of dial 401 indicated
To rotate angle, yarn can be furthered at a distance from device by changing angle, and dynamics is tightened in control, and be finely adjusted when
The progress that will not influence spinstry is waited, secondary steering arm 3 is heeling condition, therefore is entirely dependence when fine tuning
Self gravity rotates automatically, reduces the workload of adjusting, more simple and convenient, bottom and the positioning strip 405 of barrier rib 404
Top is in contact, and the width of barrier rib 404 is twice of 405 width of positioning strip, the thickness of star gear piece 406 and agrees in mouth 407
The width of wall is equal, and the thickness of star gear piece 406 is equal with the width of positioning strip 405, and weaving roller placing mechanism 5 includes arc port
501, card adapter plate 502, shim 503, hollow sleeve fitted tube 504, counterbalance spring 505, weaving roller 506, impact piece 507 and stabilizer tab
508 are played, arc port 501 is provided with the positive left side of secondary steering arm 3, and 502 activity of card adapter plate is connected to the interior of secondary steering arm 3
Chamber, shim 503 are overlapped on the front of secondary steering arm 3, and 504 penetration type of hollow sleeve fitted tube is mounted on the interior of arc port 501
Chamber spins and is fixedly welded at the top of the top and 501 inner wall of arc port of counterbalance spring 505, and weaving roller 506 is socketed in hollow sleeve fitted tube
On 504 outer ring, the bottom at the top and counterbalance spring 505 of impacting piece 507 is fixedly welded, and the setting of balance protrusion 508 is separating
On the outer wall of piece 503.
When Weaving device weaving roller frame work, it is necessary first to which whole device is mounted on yarn movement on place apparatus
On path, and to guarantee that weaving roller 504 is the top in yarn, fixing bolt 101 then be rotated first, by first section steering arm
It is loosened between 2 and installation pedestal 1, moves just section steering arm 2 and be allowed to tilt down until weaving roller 506 and yarn is allowed mutually to squeeze
Pressure, although the progress of textile manufacturing work can be carried out in this way, in order to which more scientific reasonable progress yarn is taut
Tightly, micro-adjusting mechanism 4 is adjusted, that is, stirs fine tuning pointer 403, pulls before stirring and finely tune pointer, allow two star teeth
Piece 406 with agree with mouth 407 and be separated from each other, then rotation fine tuning pointer 403, carries out angle according to instruction of the pointer on dial
Degree rotation, at this point, secondary steering arm 3 is also due to center of gravity reason rotates up to positioning strip 405 thereon again around installation axle 402
It is mutually overlapped with barrier rib, then push fine tuning pointer 403 again, star gear piece 406 is clamped again by installation axle 402 and is entered
Agree with the inner cavity of mouth 407, it is finally adaptive that the pressure weaved between roller 506 and yarn at this time, which is best exceptionally straight dynamics,
The adjusting of tension, under normal circumstances, there are certain tension between yarn and weaving roller 506, by frictional force, roller of entirely weaving
Placing mechanism 5 can normal rotation, in the rotation balance protrusion high-speed rotation it is continual by impact piece 507 squeeze
Counterbalance spring 505, the opposition for not producing spring also provides tension for yarn, when yarn loosens,
506 revolving speed of roller of weaving declines, and the frequency that balance protrusion 508 hits pinch shock piece 507 will decrease, not long spring 505
Become smaller roller 506 of weaving of the opposition of offer will decline, and gradually increase mutual extrusion power with yarn, not with extruding force
Disconnected to increase, the velocity of rotation of weaving roller 506 is gradually increased, so that the frequency of 508 impact piece 507 of balance protrusion also increases,
It is restored to an equalization point, guarantees tightening for yarn.
In conclusion the Weaving device with weaving roller frame, using the unilateral insertion of modularization break the whole up into parts formula installation and
Substitute mode, increases operability and convenience when one-man job, and the number of yarns in each work unit is subtracted
It is few, it can be rapidly performed by the investigation of yarn breakage and failure, more visual and clear, the design and installation mode of multisection type,
So that can carry out the change and adjustment for moving towards to carry out multi-angle to textile yarn in actual production, better adaptability can be with
The use demand for meeting different time sections or environment, the main purpose for designing micro-adjusting mechanism are accurate control to yarn tension
System, scientific carry out spinstry, movement range is relatively small, and avoiding may be since the fault of worker generates the tension cliff of displacement
The problem of formula variation causes the soft tangled up and knotted of yarn to influence production appearance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of Weaving device weaving roller frame, it is characterised in that: including installation pedestal (1), first section steering arm (2), secondary turn
To arm (3), micro-adjusting mechanism (4) and weaving roller placing mechanism (5), the bottom of the installation pedestal (1) passes through bolt and weaving loom
Device is fixedly mounted, and the right end of the just section steering arm (2) is movably arranged on the top of installation pedestal (1) inner cavity, and described secondary turn
The left end of just section steering arm (2) is movably arranged on to arm (3), the micro-adjusting mechanism (4) is arranged on secondary steering arm (3), institute
Weaving roller placing mechanism (5) is stated to be arranged in secondary steering arm (3) positive left side.
2. a kind of Weaving device according to claim 1 weaving roller frame, it is characterised in that: the installation pedestal (1) is
Spill seat, through being connected with fixing bolt (101), the right side of the first steering arm (2) is socketed at installation pedestal (1) positive top
On the outer ring of fixing bolt (101).
3. a kind of Weaving device according to claim 1 weaving roller frame, it is characterised in that: micro-adjusting mechanism (4) packet
Include dial (401), installation axle (402), fine tuning pointer (403), barrier rib (404), positioning strip (405), star gear piece (406) and
To agree with mouth (407), the opposite side of the dial (401) is fixedly welded with the front of secondary steering arm (3) with the back side respectively,
Installation axle (402) penetration type is mounted on the inner cavity of secondary steering arm (3), the opposite one side point of fine tuning pointer (403)
It is not fixedly welded with the front of installation axle (402) with the back side, the barrier rib (404) is fixedly welded on fine tuning pointer (403) and leans on
On the side of nearly dial (401), the positioning strip (405) is fixedly welded on secondary steering arm (3), the star gear piece
(406) it is socketed on the outer ring of installation axle (402), the front and the back side agreed with mouth (407) and be provided with secondary steering arm (3)
On.
4. a kind of Weaving device according to claim 1 weaving roller frame, it is characterised in that: the weaving roller placing mechanism
It (5) include arc port (501), card adapter plate (502), shim (503), hollow sleeve fitted tube (504), counterbalance spring (505), weaving
Roller (506), impact piece (507) and balance protrusion (508), the arc port (501) are provided with secondary steering arm (3) positive left side
Side, card adapter plate (502) activity are connected to the inner cavity of secondary steering arm (3), and the shim (503) is overlapped on secondary steering
On the front of arm (3), hollow sleeve fitted tube (504) penetration type is mounted on the inner cavity of arc port (501), the spinning counterbalance spring
(505) it is fixedly welded at the top of top and arc port (501) inner wall, the weaving roller (506) is socketed in hollow sleeve fitted tube
(504) on outer ring, the top of impact piece (507) and the bottom of counterbalance spring (505) are fixedly welded, the balance protrusion
(508) it is arranged on the outer wall of shim (503).
5. a kind of Weaving device according to claim 3 weaving roller frame, it is characterised in that: the barrier rib (404)
It is in contact at the top of bottom and positioning strip (405), the width of the barrier rib (404) is twice of positioning strip (405) width, institute
The thickness for stating star gear piece (406) is equal with the width for agreeing with mouth (407) inner wall, the thickness and positioning strip of the star gear piece (406)
(405) width is equal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910713951.6A CN110407027A (en) | 2019-08-02 | 2019-08-02 | A kind of Weaving device weaving roller frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910713951.6A CN110407027A (en) | 2019-08-02 | 2019-08-02 | A kind of Weaving device weaving roller frame |
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Publication Number | Publication Date |
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CN110407027A true CN110407027A (en) | 2019-11-05 |
Family
ID=68365656
Family Applications (1)
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CN201910713951.6A Withdrawn CN110407027A (en) | 2019-08-02 | 2019-08-02 | A kind of Weaving device weaving roller frame |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992936A (en) * | 1975-06-23 | 1976-11-23 | Wesco Industries Corporation | Yarn measuring instrument |
CN201598065U (en) * | 2010-01-15 | 2010-10-06 | 无锡金通化纤有限公司 | Driving untwisted unwinding device |
CN202508684U (en) * | 2011-12-28 | 2012-10-31 | 昆明理工大学 | Small-scale metal narrow-band wire coiling machine |
CN202880580U (en) * | 2012-11-07 | 2013-04-17 | 山东鑫汇铜材有限公司 | Wire tension on-line adjusting device |
CN206615872U (en) * | 2017-03-01 | 2017-11-07 | 宁波安联电线电缆有限公司 | Tenslator and paying out machine |
CN207435663U (en) * | 2017-09-13 | 2018-06-01 | 浙江越剑智能装备股份有限公司 | A kind of La Sheer jacquard warps |
CN207658857U (en) * | 2017-11-01 | 2018-07-27 | 杭州千和精密机械有限公司 | Novel servo tensioner |
CN208361577U (en) * | 2018-04-16 | 2019-01-11 | 江苏优轧机械有限公司 | Tin-coated welding strip tension-adjusting gear |
CN209038760U (en) * | 2018-09-24 | 2019-06-28 | 海宁市晶森经编有限公司 | A kind of tensioning apparatus |
-
2019
- 2019-08-02 CN CN201910713951.6A patent/CN110407027A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992936A (en) * | 1975-06-23 | 1976-11-23 | Wesco Industries Corporation | Yarn measuring instrument |
CN201598065U (en) * | 2010-01-15 | 2010-10-06 | 无锡金通化纤有限公司 | Driving untwisted unwinding device |
CN202508684U (en) * | 2011-12-28 | 2012-10-31 | 昆明理工大学 | Small-scale metal narrow-band wire coiling machine |
CN202880580U (en) * | 2012-11-07 | 2013-04-17 | 山东鑫汇铜材有限公司 | Wire tension on-line adjusting device |
CN206615872U (en) * | 2017-03-01 | 2017-11-07 | 宁波安联电线电缆有限公司 | Tenslator and paying out machine |
CN207435663U (en) * | 2017-09-13 | 2018-06-01 | 浙江越剑智能装备股份有限公司 | A kind of La Sheer jacquard warps |
CN207658857U (en) * | 2017-11-01 | 2018-07-27 | 杭州千和精密机械有限公司 | Novel servo tensioner |
CN208361577U (en) * | 2018-04-16 | 2019-01-11 | 江苏优轧机械有限公司 | Tin-coated welding strip tension-adjusting gear |
CN209038760U (en) * | 2018-09-24 | 2019-06-28 | 海宁市晶森经编有限公司 | A kind of tensioning apparatus |
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SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191105 |
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