CN106795659B - Clamp device for doffer clamper - Google Patents
Clamp device for doffer clamper Download PDFInfo
- Publication number
- CN106795659B CN106795659B CN201580055684.8A CN201580055684A CN106795659B CN 106795659 B CN106795659 B CN 106795659B CN 201580055684 A CN201580055684 A CN 201580055684A CN 106795659 B CN106795659 B CN 106795659B
- Authority
- CN
- China
- Prior art keywords
- doffer
- clamper
- elastic retaining
- retaining strap
- spring element
- 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.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/001—Bobbin-taking arrangements
- D01H9/003—Graspers operating under the action of a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
- B65H67/068—Supplying or transporting empty cores
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Clamps And Clips (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Buckles (AREA)
Abstract
The present invention relates to the doffer clampers (1) for being fastened to doffer bar (4), the doffer clamper (1) has tightening member (5), the tightening member (5) includes being arranged as being separated by two of a spacing to elastically keep lug (6a, 6b) and it is arranged in and described elastically keeps lug (6a, a rigid support element (7) between 6b), wherein, it is described two to elastically keep lug (6a, 6b) utilize first end (27a, 27b) it is connected to the tightening member (5), and utilize the second free end (13a, 13b) always via at least one spring element (18a, 18b) it is located in resting position.In order to simplify the structure of the doffer clamper (1), at least one described spring element (18a, 18b) is integrated with the free end (13a, 13b) and the rigid support element (7) design for accordingly elastically keeping lug (6a, 6b).
Description
Technical field
The present invention relates to the doffer clampers for being fastened on doffer bar (Dofferbalken)
(Doffergreifer), which has tightening member, which includes being arranged as being separated by a distance
Two elastic retaining straps and the rigid support element that is arranged between elastic retaining strap, wherein two elastic retaining straps exist
It is connected to tightening member at first end, and is located at least one spring element in resting position at the second end
On.
Background technique
For various spinning machines, especially ring spinner, a large amount of sleeves and/or spool that have been wound completely will be
It removes in spool replacement operation from the spinning head of spinning machine, and is replaced with empty spool sleeve.Therefore, spinning machine has band
There is the doffer device of doffer bar, for example, the doffer bar is movably disposed on spinning machine in order to by cutter
Structure moves it.Multiple doffer clampers are arranged on doffer bar again so as to jointly gripper sleeve and related
Ground removes it and/or attachment sleeve.Individual doffer clamper preferably can pneumatically operate and each includes
Diaphragm, the diaphragm can be acted on by compressed air and be placed on sleeve, then be pressed from both sides by introducing compressed air
Holding sleeve.In order to be acted on individual doffer clamper using compressed air, the channel for carrying compressed air is arranged in
In doffer bar, by these feed lines by compressed air far from these channels be directed to doffer clamper it is individual every
Film.
0 303 877 A1 of EP describes the doffer device of this doffer clamper with suitable design.This falls
Yarn machine clamper includes the tightening member for being fastened on doffer bar, the tightening member have be arranged as being separated by one away from
From two elastic retaining straps.Tightening member also has the rigid support element between elastic retaining strap.Doffer clamper
Doffer bar is fastened in such a way that it can be unlocked and discharge by elastic retaining strap.Therefore, doffer bar is in its table
The upper latch recess extended on the longitudinal direction of doffer bar and lower latch recess are provided on face.Latch recess has by that
The profile that this lug extended in parallel is constituted, the holding band of elastically deformable are bonded in the profile at its free end.Two
A latch recess makes it possible to be attached multiple individual doffer clampers along doffer bar.Be fastened on keep with lower section can
Replacement steel spring makes the holding for keeping band and/or clamping effect increase and/or be supported.Steel spring rests on just at one end
Property support component on, and at its other end to keep band free end apply load.Therefore it can be incited somebody to action by steel spring
The rate of tension of band is kept to be adjusted to aspiration level.The significant drawback of doffer clamper described herein is: since it is designed,
The manufacturing cost of the doffer clamper is higher.
Summary of the invention
Now, the purpose of the present invention is eliminate the disadvantage of known doffer clamper.
According to the present invention, which is to be achieved in that protect at least one spring element and corresponding elasticity
The free end and rigid support element design for holding band are integrated.Term " integral piece (einst ü ckig) " indicates spring element
Part is securely connected to the free end and rigid support element of corresponding elastic retaining strap.It is clamped with the doffer of the prior art
Device is compared, this is a significant difference, and in the prior art, spring element is releasably connected to corresponding elastic retaining strap's
Free end and rigid support element.Due to free end and the rigid support member of spring element and corresponding elastic retaining strap
The one-piece of part connects, and the design of doffer clamper is greatly simplified, because compared with prior art, eliminating use
Additional steel spring on doffer bar generates gripping force.Therefore, doffer clamper can be manufactured inexpensively.
Also, it has proven that advantageously, at least one spring element is made by elastoplastic.This has following excellent
Point: it is integrally molded in elastic spring element in corresponding elastic retaining strap and rigid support element.Therefore, tightening member,
Elastic retaining strap, rigid support element and spring element can be manufactured in once-through operation by single injection molding component.Therefore,
The cost of manufacture doffer clamper can further decrease.
In order to realize sufficient spring, it is advantageous that make at least one spring element in the free end of elastic retaining strap
With the width of 2-10 mm on the direction in portion.The width of spring element realizes following result: corresponding elastic retaining strap is at it
There is enough rates of tension in resting position and be kept in this position.In addition, which ensure that spring element is in corresponding elasticity
Keep band deviate its resting position when will this accordingly elastically keep take application taller springs power.This ensures elastically keep
Abundant clamping effect of the band on doffer bar.
Furthermore it is advantageous that making at least one spring element that there is protrusion in their longitudinal direction in resting position
And/or forward curvature.Longitudinal direction is that spring element is elastically keeping the direction for taking its spring force of application.Spring element because
And to front curve, that is, spring element is located on the outside of perpendicular, which is parallel to elastically keeping in resting position
Two front sides of band extend.The forward curvature realizes following result: spring element also elastically keep take apply it is higher
Spring force, wherein elastic retaining strap less deviates its resting position.Therefore, even if the system of the latch recess in doffer bar
It makes in the higher situation of tolerance, also ensures sufficient clamping effect of the elastic retaining strap in latch recess.
Furthermore it is advantageous that two spring elements is made to be connected to the free end of corresponding elastic retaining strap as integral piece
And rigid support element a, wherein spring element is arranged in each of two front ends of corresponding elastic retaining strap.This
Realize following result: when corresponding elastic retaining strap deviates, taller springs power acts on corresponding elastically keep and takes.This
Outside, two spring elements realize following result: when corresponding elastic retaining strap deviates its resting position, from its width,
It is uniform for acting on this and accordingly elastically keeping the spring force taken.Therefore, even if the manufacture of the latch recess of doffer bar is public
Difference is higher, also ensures sufficient clamping effect of the elastic retaining strap in latch recess.
It is also advantageous that each of two spring elements is made to be connected to tightening member by connector as integral piece
Side surface.Connector is upwardly extended in the side of the free end of elastic retaining strap, and is connected to rigidity point as integral piece
Side surface from element and tightening member.Connector ensures the high stability of doffer clamper.
Finally it is advantageous that make the side surface of tightening member has protrusion in their longitudinal direction.The protrusion is advantageous
Ground is corresponding with the protrusion of spring element in resting position.Protrusion in the side surface of tightening member is to doffer
The manufacture of clamper has good effect.
Detailed description of the invention
Supplementary features of the invention will be obtained from the description hereafter to particular embodiment illustrated in attached drawing, in the accompanying drawings:
Fig. 1 shows the perspective view for belonging to the doffer clamper of the prior art；
Fig. 2 shows the side view X1 of the doffer clamper from Fig. 1；
Fig. 3 shows the rearview Y1 of the doffer clamper from Fig. 1；
Fig. 4 shows the partial cross-section of the doffer clamper for being attached to doffer bar from Fig. 1；
Fig. 5 shows the perspective view of doffer clamper according to the present invention；
Fig. 6 shows the side view X5 of the doffer clamper from Fig. 5；
Fig. 7 shows the rearview Y5 of the doffer clamper from Fig. 5.
Specific embodiment
Fig. 1 shows the doffer clamper 1 for belonging to the prior art.Doffer clamper 1 is made of plastics and has
Cylindrical recess 2 for spool or spool sleeve (not shown).The Gripping members 3 that can pneumatically adjust are arranged in cylinder
In socket 2.
It, can be from spool perhaps the outside clamping end region of the spool sleeve spool or spool using Gripping members 3
Sleeve is inserted into the inside of doffer clamper 1.Extend on the longitudinal direction of machine to be fastened to doffer clamper 1
Doffer bar 4 on (Fig. 4), doffer clamper 1 include tightening member 5, the tightening member 5 have is arranged as being separated by one
Two elastic retaining straps 6a, 6b of distance.Elastic retaining strap 6a, 6b are connected to tightening member 5 at first end 27a, 27b.
In addition, tightening member 5 includes: the rigid support element 7 between elastic retaining strap 6a, 6b, the folder for can pneumatically adjust
Gu the air duct 8 of the air supply of element 3 and the cylindrical empty for receiving the elastic sealing elements 10 being arranged therein
Chamber 9(Fig. 3 and Fig. 4).It shows as in Fig. 4, doffer clamper 1 can be by elastic retaining strap 6a, 6b according to can solve
The mode for locking and discharging it is taken at doffer bar 4.Therefore, doffer bar 4 has upper latch recess on the surface thereof under
Latch recess 11a, 11b, latch recess and the lower latch recess extend on the longitudinal direction of doffer bar 4 on this.Two locks
Determining groove 11a, 11b, each all has the profile constituted by being parallel to lug 12a, 12b for extending each other, so that making can elasticity
Holding band 6a, 6b of deformation can use its free end 13a, 13b and be bonded in these lugs.Multiple doffer clampers 1
Abreast it can be released and lock on doffer bar 4 by two latch recess 11a, 11b.
Replaceable steel spring 14a, 14b make the holding of elastic retaining strap 6a, 6b in its corresponding latch recess 11a, 11b
And/or clamping effect increases and/or is supported, replaceable steel spring 14a, 14b are fastened to below elastic retaining strap 6a, 6b
Position.Therefore, steel spring 14a, 14b is designed as the form of U-shaped.Steel spring 14a, 14b are placed in rigidity by its first leg 15a, 15b
On support component 7.Steel spring 14a, 14b by its second supporting leg 16a, 16b by the free end 13a of elastic retaining strap 6a, 6b,
13b is located in resting position (Fig. 2 and Fig. 3).In order to which doffer clamper 1 is clipped on doffer bar, elastic retaining strap 6a,
6b is compressed on the direction of rigid support element 7, that is, elastic retaining strap 6a, 6b deviate its resting position.Then make steel spring
14a, 14b are under tension.Elastic retaining strap 6a, 6b are released in corresponding latch recess 11a, 11b again, that is, from outside
The power for being applied to elastic retaining strap 6a, 6b is removed.Here, making elastic retaining strap 6a, 6b by the restoring force of steel spring 14a, 14b
Free end 13a, 13b be pressed against latch recess 11a, 11b lug 12a, 12b(Fig. 4).
Therefore, the rate of tension of elastic retaining strap 6a, 6b and/or clamping effect can be adjusted to by steel spring 14a, 14b
Aspiration level.The significant drawbacks of doffer clamper described herein are: due to additional steel spring 14a, 14b, doffer folder
Holder 1 has complicated design, so that the manufacturing cost of doffer clamper 1 is relatively high.
Fig. 5 shows the perspective view of doffer clamper 1 of the invention.As known doffer clamper (Fig. 1),
The doffer clamper 1 is made of plastics and has the cylindrical spigot 2 for spool (not shown) or spool sleeve.It can
The Gripping members 3 pneumatically adjusted are arranged in cylindrical spigot 2.It, can be from spool or spool sleeve using Gripping members 3
Outside clamping end region, the spool or spool sleeve are inserted into the inside of doffer clamper 1.In order to which doffer is pressed from both sides
Holder 1 is fastened on doffer bar 4, and doffer clamper 1 has tightening member 5 as known doffer clamper, should
Tightening member 5 has two elastic retaining straps 6a, 6b for being arranged as being separated by a distance.Elastic retaining strap 6a, 6b are first
Tightening member 5 is connected at end 27a, 27b.Between elastic retaining strap 6a, 6b, rigid support element 7 is arranged in fastening member
On part 5, the air supply and cylindrical cavity 9 for the Gripping members 3 that air duct 8 is used to pneumatically to adjust are for receiving
Elastic sealing elements 10(Fig. 7 being arranged in the rigid support element).As known doffer clamper (Fig. 4),
Doffer clamper 1 can with unlocking and be releasedly installed on doffer bar 4 by elastic retaining strap 6a, 6b.
It is contrasted with known doffer clamper, doffer clamper 1 does not have any additional steel spring.At this
In the exemplary embodiment of the doffer clamper 1 of invention, in order to increase and/or support the holding of elastic retaining strap 6a, 6b to imitate
Fruit and/or clamping effect are made of plastics in the upper arrangement of each of two front ends 17a, 17b of elastic retaining strap 6a, 6b
Spring element 18a, 18b.Therefore, there are four spring element (Fig. 7) for the tool of doffer clamper 1.Spring element 18a, 18b and bullet
Property keep free end 13a, 13b with 6a, 6b and connector 19 to design being integrated.
Connector 19 is a part of rigid support element 7, and the free end 13a of elastic retaining strap 6a, 6b,
The side of 13b upwardly extends.Connector 19 is connected to the side 20 of tightening member 5 as integral piece.Spring element 18a, 18b are therefore
It is integrated into tightening member 5 securely and free end 13a, 13b of elastic retaining strap 6a, 6b is located in rest position by it
In setting.Which constitute the significant differences compared with the doffer clamper (Fig. 1) of the prior art, in the prior art, steel spring
14a, 14b are releasably connected to free end 13a, 13b and rigid support element 7 of corresponding elastic retaining strap 6a, 6b.
As pointed by Fig. 6, spring element 18a, 18b are in the direction of free end 13a, 13b of elastic retaining strap 6a, 6b
The upper width 21 with 5 mm.Therefore, it remains between spring element 18a, 18b and the side 20 of tightening member 5 between freedom
Gap 22.Spring element 18a, 18b have protrusion 23 and/or forward curvature in their longitudinal direction in its resting position
(Fig. 7).The side 20 of tightening member 5 also has protrusion 24, which is designed as the protrusion with spring element 18a, 18b
Portion 23 cooperates.
In order to clip to doffer clamper 1 of the invention on doffer bar 4, elastic retaining strap 6a, 6b are in rigid support
It is compressed on the direction of element 7, that is, elastic retaining strap deviates its resting position (dotted line 25a, 25b in Fig. 7).Spring element
18a, 18b are further bent and/or are tensioned according to dotted line 26a, 26b in Fig. 7.The corresponding latch recess of doffer bar 4
Elastic retaining strap 6a, 6b in 11a, 11b are released again, that is, from outside be applied to the power of elastic retaining strap 6a, 6b again by
It removes.In this way, being just pressed against free end 13a, 13b of elastic retaining strap 6a, 6b by the restoring force of spring element 18a, 18b
Lug 12a, 12b of latch recess 11a, 11b.Therefore, the spring that can be made of plastics by means of corresponding geometry designs
The rate of tension of elastic retaining strap 6a, 6b and/or clamping effect are adjusted to aspiration level by element 18a, 18b.
Claims (9)
1. doffer clamper (1) of the one kind for being fastened on doffer bar (4), the doffer clamper (1) have tight
Gu element (5), the tightening member (5) include be arranged as being separated by a distance two elastic retaining straps (6a, 6b) and
A rigid support element (7) being arranged between the elastic retaining strap (6a, 6b), wherein described two elastic retaining straps
(6a, 6b) each is connected to the tightening member (5) at first end (27a, 27b), and each utilizes it
Second free end (13a, 13b) is located at least one spring element (18a, 18b) in resting position, and feature exists
In, at least one described spring element (18a, 18b) and corresponding elastic retaining strap (6a, 6b) the free end (13a,
13b) and the rigid support element (7) design is integrated.
2. doffer clamper according to claim 1, which is characterized in that at least one spring element (18a,
18b) it is made of elastoplastic.
3. doffer clamper according to claim 1 or 2, which is characterized in that at least one spring element (18a,
18b) with the width of 2-10 mm on the direction of the free end (13a, 13b) of the elastic retaining strap (6a, 6b)
(21).
4. doffer clamper according to claim 1 or 2, which is characterized in that at least one spring element (18a,
18b) there are protrusion (23) in their longitudinal direction in the resting position.
5. doffer clamper according to claim 1 or 2, which is characterized in that at least one spring element (18a,
18b) be two spring elements (18a, 18b), the two spring elements as integral piece be connected to corresponding elastic retaining strap (6a,
The free end (13a, 13b) and the rigid support element (7) 6b), wherein a spring element (18a, 18b)
It is arranged on one in corresponding two forward faces (17a, 17b) for keeping band (6a, 6b).
6. doffer clamper according to claim 5, which is characterized in that described two spring elements (18a, 18b) are every
One is connected to the side (20) of the tightening member (5) as integral piece by connector (19).
7. doffer clamper according to claim 6, which is characterized in that the side of the tightening member (5)
(20) there are protrusion (24) in their longitudinal direction.
8. one kind includes the doffer device of doffer bar (4), the doffer device has at least one according to claim 1
To doffer clamper (1) described in any one of 7.
9. a kind of spinning machine, with doffer device according to claim 8.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH01585/14 | 2014-10-16 | ||
| CH01585/14A CH710261A1 (en) | 2014-10-16 | 2014-10-16 | Mounting for a Doffergreifer. |
| PCT/IB2015/057440 WO2016059496A1 (en) | 2014-10-16 | 2015-09-29 | Fastening for a doffer gripper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106795659A CN106795659A (en) | 2017-05-31 |
| CN106795659B true CN106795659B (en) | 2019-05-17 |
Family
ID=54256800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580055684.8A Active CN106795659B (en) | 2014-10-16 | 2015-09-29 | Clamp device for doffer clamper |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3206981B1 (en) |
| CN (1) | CN106795659B (en) |
| CH (1) | CH710261A1 (en) |
| WO (1) | WO2016059496A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH715389A1 (en) * | 2018-09-27 | 2020-03-31 | Rieter Ag Maschf | Gripper for gripping a coil or bobbin tube. |
| CN110438605A (en) * | 2019-09-10 | 2019-11-12 | 江阴市华方智能纺机装备有限公司 | A kind of new ring spinning frame pipe grabbing device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5172540A (en) * | 1987-08-18 | 1992-12-22 | Rieter Machine Works, Ltd. | Apparatus for changing bobbin tubes and tube gripper therefor |
| JPS6452827A (en) * | 1987-08-18 | 1989-02-28 | Rieter Ag Maschf | Bobbin replacing apparatus in fiber machine such as ring fine spinning frame |
| DE4037312C2 (en) * | 1990-11-23 | 1994-03-10 | Zinser Textilmaschinen Gmbh | Device for gripping an empty tube or a full spool |
| DE4122780A1 (en) * | 1991-07-10 | 1993-01-14 | Zinser Textilmaschinen Gmbh | EXTERNAL GRIPPERS FOR GRIPPING FIBER YARN CARRIERS ON SPIDER OR TWIN MACHINES |
| CN2873813Y (en) * | 2006-01-04 | 2007-02-28 | 东台纺织机械有限责任公司 | Yarn holder of spinning frame integral doffer |
| CN200992611Y (en) * | 2007-01-05 | 2007-12-19 | 铜陵市松宝机械有限公司 | Bobbin gripper for spinning frame |
| CN201010733Y (en) * | 2007-03-22 | 2008-01-23 | 铜陵市精特机械有限责任公司 | Air cylinder type pipe grasping device |
| DE102010027904A1 (en) * | 2010-04-19 | 2011-10-20 | Hilti Aktiengesellschaft | Fastening device for attachments to mounting rails |
| CN102477599A (en) * | 2010-11-30 | 2012-05-30 | 青岛云龙纺织机械有限公司 | Automatic doffing mechanical arm device of spinning machine |
| WO2012125360A2 (en) * | 2011-03-17 | 2012-09-20 | A. Raymond Et Cie | Smart material actuated fasteners |
| DE102011111905A1 (en) * | 2011-08-30 | 2013-02-28 | Daimler Ag | Component i.e. bodywork part, for vehicle, has profiled elements fastenable together by detent connection, and comprising two connections that are formed as snap connections, where one snap connection is provided with pivot joint |
| DE102012104667A1 (en) * | 2012-05-30 | 2013-12-05 | Maschinenfabrik Rieter Ag | Device for common changing of sleeves at spinning locations of textile machine i.e. ring spinning machine, has gripper joist comprising carrier profile arranged inside outer, open hollow section, and grippers arranged at carrier profile |
| CN103741287A (en) * | 2013-11-29 | 2014-04-23 | 吴江市大业丝绸整理有限公司 | Yarn stirring device of doffer |
-
2014
- 2014-10-16 CH CH01585/14A patent/CH710261A1/en not_active Application Discontinuation
-
2015
- 2015-09-29 EP EP15775511.7A patent/EP3206981B1/en active Active
- 2015-09-29 WO PCT/IB2015/057440 patent/WO2016059496A1/en active Application Filing
- 2015-09-29 CN CN201580055684.8A patent/CN106795659B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016059496A1 (en) | 2016-04-21 |
| EP3206981A1 (en) | 2017-08-23 |
| EP3206981B1 (en) | 2018-09-05 |
| CN106795659A (en) | 2017-05-31 |
| CH710261A1 (en) | 2016-04-29 |
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