CN85104490A - Disk loom drive unit - Google Patents
Disk loom drive unit Download PDFInfo
- Publication number
- CN85104490A CN85104490A CN85104490.5A CN85104490A CN85104490A CN 85104490 A CN85104490 A CN 85104490A CN 85104490 A CN85104490 A CN 85104490A CN 85104490 A CN85104490 A CN 85104490A
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- fabric
- drive unit
- loom
- clutch
- circular
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Abstract
In the drive unit of circular loom, lay an electromagnetic clutch at least between the transmission device of its drive motors and fabric derivation mechanism, and this electromagnetic clutch is by being started with the synchronous stop pulse of Weft thread monitoring device stop signal.Like this, when sending a stop signal from Weft thread monitoring device, the drive unit of fabric derivation mechanism is just thrown off with the drive motors of circular loom.Therefore the fabric derivation mechanism can not stop when having feed at once, and is not connected in the influence of other parts that remain in operation on the drive motors.
Description
The present invention relates to a kind of drive unit on a kind of circular loom.This loom has various single heald frames, and these heald frames become arranged radially around the main reed of loom.The part guiding of netting for the warp of giving circular arrangement is two, each heald frame have many interior harness cords and outer harness cord.For forming the braiding shed open that moves one by one, make their reverse up-down alternative motions of doing by the main shaft that rotates, main axis rotation ground drives weaving shuttle, with tabular cam it is moved in circular reed, and the tubular fabric that is made into is drawn by derivation mechanism.Its driving is to be driven by the motor on the main shaft, and this motor can be turned off by the signal of telecommunication that Weft thread monitoring device sent.
Known circular loom becomes the single heald frame of arranged radially to be made up of many around circular reed, and each heald frame has many interior harness cords and outer harness cord leads in order to the two parts of netting of the warp of giving circular arrangement, for forming the braiding shed open that moves one by one, make their reverse up-down alternative motions of doing by main shaft.Therefore weaving shuttle is done shuttling movement by main shaft drives in circular reed, the parallel that unwinding is got off from the corresponding bobbin is along with shuttle enters mobile shed open continuously, then the tubular fabric that is made into be removed and put and put together, as smooth tubular fabric.
Serious defective of this circular loom is because faulty weft thread and the thin slice district that forms on fabric, for example this or that move shuttle and used up parallel, perhaps parallel broken string.Usually the Weft thread monitoring device on the Loom reed on the one hand to the main shaft of loom, and on the other hand to the motor of fabric derivation mechanism, sends stop sign immediately when finding parallel defect.However, owing to the inertia of main shaft produces very big strength it is remained in operation a period of time, and can not stop at once.Therefore, fabric continues to draw, and then because shuttle circulates once more, is made into parallel still less on the warp unit length, because lose a parallel at least, shuttle at least also will change 2-3 and encloses and just can stop fully when loom is shut down usually.
The objective of the invention is to develop the drive unit on a kind of like this circular loom, the sheets of fabric phenomenon that produces inevitably because the loom of shutting down remains in operation was avoided in the past.
At first at least one electromagnetic clutch is arranged between loom motor and the fabric derivation mechanism transmission device and achieves the above object, and this clutch can be by being started with the synchronous stop pulse of Weft thread monitoring device stop signal.
Because these measures, when Weft thread monitoring device sends a stop signal, it is possible that the transmission device of fabric derivation mechanism is thrown off from the circular loom drive motors, thereby the fabric derivation mechanism do not stop when having feed at once, and is not connected in the influence of other parts that remain in operation on the drive motors.
Stop at once owing to the fabric derivation mechanism on the one hand, because the continuous reforwarding of weaving shuttle is changeed, therefore more parallel is woven into fabric under the situation of stopping, and then yarn is concentrated on the other hand, yet this compared with former thin slice and does not also include shortcoming, because thin slice reduces fabric intensity greatly.
In order to ensure the parking immediately of fabric derivation mechanism, also can install electromagnetic brake according to drive unit of the present invention.This electromagnetic brake can be by being started with the synchronous stop pulse of Weft thread monitoring device stopping signal.This electromagnetic brake is added on clutch.
In addition, drive unit according to the present invention can allow any regional parallel to concentrate as a new development, forming horizontal band, and this simply the cycle repeat, and, distinguish fabric width by the way that given spacing is concentrated with parallel.For example, when producing socks, strengthen socks tip and bottom.This available very simple way is finished, and electromagnetic clutch and electromagnetic brake (if required) can be started by an on-off switch, and the stop pulse of this switch and Weft thread monitoring device is irrelevant.
Brief description of drawings
The actual example of making can be described as follows in more detail with reference to accompanying drawing according to the present invention.
Fig. 1 is the side sketch of circular loom, and loom is equipped with the drive unit that the present invention narrates.
Fig. 2 is a circular loom plane shown in Figure 1.
Be contained on the support (1) by usual method according to Fig. 1 and Fig. 2 circular loom, and form: the circular frame bracket (2) that supports annular reed (3) by following part; Play guard's valve (4); Framing component (5); Rings bracing frame and single heald frame (6 and 7).These single heald frames (6) become arranged radially with (7) round loom main shaft (8), form outer heald frame (6) and interior heald frame (7).
In addition, the support (9) of fabric derivation mechanism (70) is installed on the support (1).Support (1) is also supporting the belt drive (10) of expander roller (11) and (12) and the belt drive (10 ') of finished product fabric bag (13).Fabric expander (14) also is installed in the draw-out area.
In the figure of given circular loom, can see feed cylinder (15).This cylinder is to establish for the warp of the corresponding narrow warp layer of figure left side (not shown), and the warp feed cylinder (16) of figure right side (not shown), the overflow cylinder (17) of corresponding narrow warp layer.These warps or narrow warp layer are dispensed in the warp sheet of two layers of radial, with usual method warp bobbin are in groups drawn.For forming the braiding shed open with single heald frame, in the warp thigh one at another when the woven flat horizontally-guided moves downward and move upward.This realizes by being called shed open formation running, so just produces a warp and a warp that is lower than shed open that is higher than shed open.In being called the shed open that moves one by one, have at least a shuttle in the horizontal annular passage, to pass through, the corresponding parallel bobbin of several shuttles (30) is arranged usually.Because the weft yarn that the circus movement of shuttle gets off from the unwinding of parallel bobbin is passed to the leading edge of tubular fabric, the yarn of bobbin can be compiled to fabric like this.This tubular fabric can be drawn and put and put together as a smooth fabric.
Tabular cam driven shuttle (30), and the former is contained on the main shaft (8), and can rotate.And cam meshes shuttle with the thrust unit that inserts in the shuttle.Therefore main shaft (8) links to each other with drive motors (51) by transmission device (50).Usually the drive unit (10) of fabric derivation mechanism (70) also is connected with drive motors (51).
Main shaft (8) also supports two tabular cams (26) and (27) in the bottom, and these cams some swing arms by becoming radial arrangement with it connect (46) and (47) that are called axostylus axostyle as (36) and (37).Above-mentioned axostylus axostyle (46) transmits the action that forms shed open to single heald frame (6) and (7) in a known way with (47).
In the scope of above narration, it is matched with at present known technology making circular loom, explains further that therefore this loom there is no need.
As mentioned above, for this circular loom, there is such problem will consider to solve, promptly develops a kind of transfer device, can avoid owing to loom when faulty weft thread stops is rotated further the sheets of fabric phenomenon that produces.For this reason, electromagnetic clutch (52) and better electromagnetic brake (53) also is placed between the transmission device (10) of drive motors (51) and fabric derivation mechanism (70).Motor (51) is associated in Weft thread monitoring device (55) (not being shown specifically) circuit with known method, and by signal it is disconnected with circuit when faulty weft thread.This electromagnetic clutch (52) and electromagnetic brake (53) can be by being started with the synchronous stop pulse of Weft thread monitoring device (55) stopping signal.According to shown in Figure 1, clutch (52) is linked to each other by control line (57) straight line suspension wire-controlled apparatus (55) with lock (53).
When owing to faulty weft thread; when Weft thread monitoring device (55) sends a stopping signal; be not only motor (51) outage; and the transmission device (10) of fabric derivation mechanism (70) also disconnects with the drive motors (51) of circular loom simultaneously; therefore the fabric derivation mechanism does not stop when having feed at once, and is not subjected to the influence of other parts that remain in operation that motor therewith links to each other.
Because fabric derivation mechanism (70) stops immediately, weave shuttle (30) on the other hand and continue to turn round on race on the one hand, more yarns are made into fabric, have so just produced the phenomenon that yarn is concentrated.
This effect now is used to make parallel to concentrate forming horizontal band, and can repeat simply periodically, and by the way that given spacing is concentrated with parallel, distinguishes fabric width.For example, when producing socks, strengthen socks tip and bottom.In order to reach this purpose, can be started by on-off switch (56) according to Fig. 1 electromagnetic clutch (52) and lock (53) (if necessary), the stop pulse of (55) influences and be not subjected to Weft thread monitoring device.
This on-off switch ex hoc genus anne switch normally gives first sequencing, so that produce the cycle or aperiodic electric pulse, yet here is not described in detail.Usually known devices can be used as electromagnetic clutch and lock.
Should clearly realize that in expression with when narrating preferential embodiment of the present invention this invention is not limited in here, other various concrete devices can be arranged in following claim.
Claims (3)
1, the drive unit on a kind of circular loom, this circular knitting machine have and manyly become the single heald frame of arranged radially around loom master reed, and each heald frame have many in harness cords and outer harness cord, lead in order to the parts of the two nets of warp of giving circular arrangement.For forming the braiding shed open that moves one by one, by the reverse up-down alternative motion of doing of main shaft drives of rotation.Main shaft moves in circular reed by tabular cam driven weaving shuttle; the simple shape fabric that is made into is drawn by the fabric derivation mechanism; and derivation mechanism is driven by spindle motor; it can be broken from electric network by the signal that Weft thread monitoring device sent; being characterized as of this drive unit comprises: at least one electromagnetic clutch, and this clutch can be started by the synchronous stop pulse of the stopping signal of being sent with Weft thread monitoring device.This clutch is placed between loom drive motors and the fabric derivation mechanism transmission device.
2, drive unit as claimed in claim 1 has been characterized as an electromagnetic brake and correspondingly has been added on the clutch.This electromagnetic brake can be started by the synchronous stop pulse of the stopping signal of sending with weft monitor.
3, drive unit as claimed in claim 1, being characterized as above-mentioned electromagnetic clutch and electromagnetic brake can both be started by the on-off switch that is independent of outside the parallel monitoring stop pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104490.5A CN1003461B (en) | 1985-06-12 | 1985-06-12 | Driving arrangement on a circular loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104490.5A CN1003461B (en) | 1985-06-12 | 1985-06-12 | Driving arrangement on a circular loom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104490A true CN85104490A (en) | 1986-12-10 |
| CN1003461B CN1003461B (en) | 1989-03-01 |
Family
ID=4793875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85104490.5A Expired CN1003461B (en) | 1985-06-12 | 1985-06-12 | Driving arrangement on a circular loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1003461B (en) |
-
1985
- 1985-06-12 CN CN85104490.5A patent/CN1003461B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1003461B (en) | 1989-03-01 |
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