WO1993007314A1 - Setting device for a carding engine - Google Patents
Setting device for a carding engine Download PDFInfo
- Publication number
- WO1993007314A1 WO1993007314A1 PCT/GB1992/001752 GB9201752W WO9307314A1 WO 1993007314 A1 WO1993007314 A1 WO 1993007314A1 GB 9201752 W GB9201752 W GB 9201752W WO 9307314 A1 WO9307314 A1 WO 9307314A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- setting
- flats
- cylinder
- guide
- datum
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
Definitions
- This invention relates to a setting device for a carding engine having a main toothed cylinder and a revolving flats assembly comprising flats which are moveable along a working path adjacent to the outer periphery of the main cylinder to carry out a carding operation in cooperation with the teeth of the cylinder.
- the invention is particularly applicable to a "cotton card", though of course other fibrous feed stock than cotton can be carded on such carding engines, including synthetics.
- the working path of the revolving flat assembly is defined by a so-called "flexible bend" on which run support rollers which support the movement of the flats.
- the flexible bend is curved to correspond with the curvature of the cylinder, but small adjustments along the length of the flexible bend in radial spacing from the axis of the cylinder are usually required to obtain desired clearances.
- the setting of the clearances is usually carried out by use of "feeler gauges" inserted between the flats and the cylinder periphery at different positions along the working path, and necessary small radial adjustments of the flexible bend are then made along its length to obtain the required flats / cylinder clearances.
- the quality of the setting operation can vary from one operator to another, by reason of the nature of the task, in that the feeder gauge is being inserted into the gap between the tips of wire teeth and the way in which the operation is carried out can give different results of measured clearance between one operator and another, i.e. one operator may tend to force the gauge into the clearance gap whereas another may be satisfied with a looser fit.
- the wires on the "flats” are usually more flexible than the wires on the cylinder, and therefore the setting operation is very much dependent upon operator skill and attention or individual "feel", and this makes the setting operations unpredictable, varying from one operator to another.
- the adjustment usually takes place at setting points (usually five) acting between a fixed part of the carding engine, usually a so-called "fixed bend", and the flexible bend. Once the adjustments have been completed, the carding engine can then be operated for substantial periods. However, over a period of time, wear takes place (especially of the flats wires), and re-grinding then becomes necessary, and it then becomes essential to re—set the clearances to take into account the re-grinding which has taken place.
- the invention therefore seeks to provide an improved setting method and device for a carding engine which provides a more reliable initial setting of the flats / cylinder clearance and which permits easy adjustment of the initial setting when required.
- a carding machine having a main toothed cylinder, a revolving flat assembly comprising a series of flats which are movable along a working path alongside the outer periphery of the cylinder to carry out a carding operation in cooperation with the teeth of the cylinder means supporting the flats and movable along a guide mounted on the frame of the machine to determine the working path of the flats, an adjuster means engageable with the guide and operable to adjust the position taken-up by the guide for the purposes of adjusting the flats / cylinder clearance along the working path, and setting means for use in conjunction with the adjuster means to set any required clearances: characterised in that the setting means comprises a plurality of setting devices arranged at respective setting locations along the length of the guide and each extending between the guide and a respective fixed datum, each setting device being connected at one end to one of said guide and said datum and having a setting mode in which its other end is movable relative to the other of said guide and said datum upon
- the initial setting-up of the required flats / cylinder clearance is obtained by using a standard or "dummy" spacer having a tracking head set to a required position using a standard jig to give a particular clearance, and this spacer is then caused to track along the working path with the tracking head sliding along the surface of the cylinder.
- the adjuster means and the setting devices will then be used to set-up the required clearance, and this operation de-skills the setting operation as it avoids the need for feeler gauges to be used as in existing practice.
- each setting device includes a rod having a threaded portion(s) and the lower end of which extends through the datum and is fixed there by a first nut or other threaded fastener and at the other side of the datum a second nut or other threaded fastener is provided which is tightened onto the datum via the standard spacer, whereas the upper end of the rod is connected to the guide.
- the datum preferably comprises a usual "fixed bend” of a carding engine, and the guide may comprise the usual "flexible bend” on which roller supports of the flats run, or on a fixture secured to the flexible bend.
- the flexible bend is usually built-up from a number of adjacent guide sections, each of which is independently adjustable.
- the first nut therefore can be loosened to allow each setting device to adopt the setting mode, and then is operated to complete the tightening operation after setting has been completed by the second nut.
- the second nut clamps the device via the standard spacer, and may be provided with a locking element, e.g. a grub screw or a clamping head and if desired any suitable form of "tamper evident seal" may be provided which can only be removed by authorised personnel.
- a torque wrench may be provided which will be set to maximum torque values which cannot be exceeded, in order to tighten-up the first and second nuts.
- a method of setting the flats / cylinder clearance in a carding engine having a main toothed cylinder, a revolving flat assembly comprising a series of flats which are moveable along a working path alongside the outer periphery of the cylinder to carry out a carding operation in cooperation with the teeth of the cylinder, means supporting the flats and moveable along a guide adjustably mounted on the frame of the carding engine to determine the working path of the flats, an adjustment means engageable with the guide and operable to adjust the position taken-up by the guide for the purpose of adjusting the flats / cylinder clearance, and a setting means comprising a plurality of setting devices arranged at setting locations along the length of the guide and each extending between the latter and a datum, with each setting device being connected at one end to one of said guide and said datum, in which each setting device is adjustable between a setting mode and a locking mode: comprising the steps of setting-up the flats / cylinder clearance
- Figure 1 is a schematic illustration of a revolving flat—type carding engine to which the invention may be applied;
- Figure 2 is a schematic illustration showing the interaction which takes place between the teeth of the moveable flats and the cylinder wire teeth in the carding engine shown in Figure 1 ;
- Figure 3 is a schematic side view illustrating a detail of part of a carding engine according to the invention, incorporating an improved flats / cylinder clearance setting device; and.
- Figure 4 is a schematic illustration of a jig and standard or dummy flat which can be used in the setting-up of required flats / cylinder clearance using the setting arrangement shown in Figure 3.
- FIG. 1 and 2 of the drawings there will be described an existing design of carding engine to which the invention may be applied, and which is designated generally by reference 10, having a main toothed cylinder 11, a taker—in 12, a doffer 13, and a revolving flat assembly 14 positioned above the outer periphery of the cylinder 11 in the region between the taker—in 12 and the doffer 13.
- the revolving flats assembly 1 comprises a series of flats 15 which are moveable along a working path 16 adjacent to the outer periphery 17 of the cylinder 11 to carry out a carding operation in cooperation with the teeth of the cylinder 11.
- Figure 2 shows the way in which the movement of the flats 15 along the working path 16 is guided by use of a so-called "flexible bend" 18 on which run rollers 19 which support the flats 15 via cradles 20.
- the flexible bend 18 usually comprises a number of adjacent segments and is curved to correspond with the curvature of the cylinder 11 , but small adjustments will be made along the length of the flexible bend 18, in radial spacing from the axis 21 of the cylinder 11, to adjust the flats / cylinder clearance to any required value.
- jacks 23 are provided to enable adjustment of the position take-up by the flexible bend 18, and these jacks 23 effectively comprise one form of an adjuster means connected to the flexible bend 18, which itself constitutes "an adjustably mounted guide" on the frame of the carding engine to determine the working path 16 of the f lats .
- a carding engine according to the invention will be provided with a setting means which comprises a plurality of setting devices arranged along the length of the guide (flexible bend) 18 with each setting device extending between the guide and datum.
- the datum in the arrangement shown in Figure 3 will comprise the usual "fixed bend 24".
- Only one setting device designated generally by reference 25, is shown in Figure 3, but it should be understood that a number of these will be provided, at required spacing along the length of the flexible bend 18, according to requirements.
- the device 25 comprises a threaded rod 26 which is connected at one end 27 to the flexible bend 18 and at its other end 28 to the fixed bend or datum 24. When the setting device 25 is in a setting mode, the lower end 28 can move relative to the fixed bend 24 upon adjustment of the flexible bend 18 under the action of one of the jacks 23.
- the setting device 25 also has a locking mode in which an adjustable locking element on the device is operable to clamp the end 28 through the intermediary of a standard spacer after the predetermined flats / cylinder clearance has been set.
- the setting mode is permitted when a lower nut or threaded fastener 29 is loosened sufficiently or even removed entirely, thereby allowing free upward and downward movement of the threaded rod 26 in response to adjustment movement of the flexible bend 18.
- a further nut or threaded fastener 30 is operated to press a standard spacer 31 into firm contact with the upper surface of the fixed bend 24.
- the nut 30 can then be locked in this position, e.g. by use of a grub screw or any other suitable ens, such as a clamping head taken around the nut 30.
- the lower nut 29 can then be tightened up onto the underside of the fixed bend 24, and the setting device 25 is then in its locking mode, in which the required clearance is set.
- Figure 3 shows an arrangement in which it is the upper end 27 of the rod 26 which is secured to the flexible bend 18, whereas the lower end 28 is free to move linearly within fixed bend 24 when in the setting mode.
- the arrangement could be readily reversed, and still permit the setting device to operate in both its setting mode and its locking mode to define a pre-set clearance.
- any suitable standard spacer 31 may be fitted, and this then establishes a datum appropriate to a particular clearance. Then, if it should be required to alter the flat / cylinder clearance e.g. after re-grinding, or to convert the carding engine to operate with a different feed stock with a different clearance, it is only necessary to loosen nut 29 and allow the standard spacer 31 to be removed and replaced by another standard spacer appropriate to the newly required clearance, followed by re-tightening of the nut 29. During this adjustment, the upper nut 30 remains in its previously adjusted position.
- a standard or dummy flat 32 is shown, having a tracking head 33 carried at the lower end of linearly reciprocable rod 34 mounted within the flat 32.
- the flat 32 is positioned on a separately formed jig 35 having a model track 36 to suit any required clearance, and the tracking head 33 will engage model track 36.
- the linear movement undergone by rod 34 will then be monitored by a gauge 37, and this reading on gauge 37 will be used as the datum level during subsequent movement of flat 32 along the working path 16.
- flat 32 can be caused to move along the working path 16, with its support rollers in engagement with the flexible bend 18, and the tracking head 33 making direct contact with the toothed peripheral surface of the cylinder 11.
- the flexible bend 18 will then be upwardly or downwardly adjusted accordingly, by operation of the jacks 23 successively, to provide the same reading on the gauge 37 as was provided when using the standard jig 35.
- a torque wrench is provided for tightening the nuts 29 and 30.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5506702A JPH07502571A (en) | 1991-09-23 | 1992-09-23 | Carding machine and its setting method |
EP92919902A EP0605528A1 (en) | 1991-09-23 | 1992-09-23 | Setting device for a carding engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9120249.9 | 1991-09-23 | ||
GB919120249A GB9120249D0 (en) | 1991-09-23 | 1991-09-23 | Setting device for a carding engine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993007314A1 true WO1993007314A1 (en) | 1993-04-15 |
Family
ID=10701843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1992/001752 WO1993007314A1 (en) | 1991-09-23 | 1992-09-23 | Setting device for a carding engine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0605528A1 (en) |
JP (1) | JPH07502571A (en) |
GB (1) | GB9120249D0 (en) |
WO (1) | WO1993007314A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620296A1 (en) * | 1993-04-16 | 1994-10-19 | Maschinenfabrik Rieter Ag | Sliding guide for a carding machine with moving flats |
EP0620295A1 (en) * | 1993-04-16 | 1994-10-19 | Maschinenfabrik Rieter Ag | Bend as a sliding guide for a travelling, flat carding machine |
EP0627508A1 (en) * | 1993-06-04 | 1994-12-07 | Maschinenfabrik Rieter Ag | Diagnosis apparatus |
WO1995033875A1 (en) * | 1994-06-02 | 1995-12-14 | Carding Specialists (Canada) Limited | Setting device for a carding engine |
US5476666A (en) * | 1988-11-21 | 1995-12-19 | Collagen Corporation | Glycosaminoglycan-synthetic polymer conjugates |
WO2020074149A1 (en) * | 2018-10-09 | 2020-04-16 | TRüTZSCHLER GMBH & CO. KG | Carder having a device for setting the carding gap between stationary elements and a drum |
CN113474498A (en) * | 2019-04-25 | 2021-10-01 | 特吕茨施勒有限及两合公司 | Carding machine with device for adjusting carding gap |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191321780A (en) * | 1913-09-26 | 1914-03-12 | Thomas William Edwards | Improvements in Toy Animals & Figures. |
DE1510256B1 (en) * | 1962-09-22 | 1969-12-11 | Giddings & Lewis Fraser Ltd | Device for adjusting rollers on a card |
EP0233370A1 (en) * | 1986-01-23 | 1987-08-26 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Apparatus for adjusting the position of working elements adjoined to rolls of cotton or wool-carding machines |
-
1991
- 1991-09-23 GB GB919120249A patent/GB9120249D0/en active Pending
-
1992
- 1992-09-23 EP EP92919902A patent/EP0605528A1/en not_active Withdrawn
- 1992-09-23 WO PCT/GB1992/001752 patent/WO1993007314A1/en not_active Application Discontinuation
- 1992-09-23 JP JP5506702A patent/JPH07502571A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191321780A (en) * | 1913-09-26 | 1914-03-12 | Thomas William Edwards | Improvements in Toy Animals & Figures. |
DE1510256B1 (en) * | 1962-09-22 | 1969-12-11 | Giddings & Lewis Fraser Ltd | Device for adjusting rollers on a card |
EP0233370A1 (en) * | 1986-01-23 | 1987-08-26 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Apparatus for adjusting the position of working elements adjoined to rolls of cotton or wool-carding machines |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5476666A (en) * | 1988-11-21 | 1995-12-19 | Collagen Corporation | Glycosaminoglycan-synthetic polymer conjugates |
EP0620296A1 (en) * | 1993-04-16 | 1994-10-19 | Maschinenfabrik Rieter Ag | Sliding guide for a carding machine with moving flats |
EP0620295A1 (en) * | 1993-04-16 | 1994-10-19 | Maschinenfabrik Rieter Ag | Bend as a sliding guide for a travelling, flat carding machine |
EP0627508A1 (en) * | 1993-06-04 | 1994-12-07 | Maschinenfabrik Rieter Ag | Diagnosis apparatus |
WO1995033875A1 (en) * | 1994-06-02 | 1995-12-14 | Carding Specialists (Canada) Limited | Setting device for a carding engine |
US5845368A (en) * | 1994-06-02 | 1998-12-08 | Varga; John | Setting device for a carding engine |
WO2020074149A1 (en) * | 2018-10-09 | 2020-04-16 | TRüTZSCHLER GMBH & CO. KG | Carder having a device for setting the carding gap between stationary elements and a drum |
CN113474498A (en) * | 2019-04-25 | 2021-10-01 | 特吕茨施勒有限及两合公司 | Carding machine with device for adjusting carding gap |
CN113474498B (en) * | 2019-04-25 | 2023-02-28 | 特吕茨施勒集团欧洲公司 | Carding machine with device for adjusting carding gap |
Also Published As
Publication number | Publication date |
---|---|
GB9120249D0 (en) | 1991-11-06 |
JPH07502571A (en) | 1995-03-16 |
EP0605528A1 (en) | 1994-07-13 |
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