CN213266909U - Rapier weaving machine's of production cotton cloth let-off mechanism - Google Patents
Rapier weaving machine's of production cotton cloth let-off mechanism Download PDFInfo
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- CN213266909U CN213266909U CN202021818220.2U CN202021818220U CN213266909U CN 213266909 U CN213266909 U CN 213266909U CN 202021818220 U CN202021818220 U CN 202021818220U CN 213266909 U CN213266909 U CN 213266909U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 229920000742 Cotton Polymers 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 title claims abstract description 23
- 238000009941 weaving Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 230000009467 reduction Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application relates to a rapier weaving machine's of production full cotton cloth let-off mechanism, it includes the frame, can dismantle the initiative let-off device of connection in the frame, can dismantle the tension feedback device of connection in the frame and can dismantle the warp positioner of connection in the frame, tension feedback device includes two and shelters from formula sensor and straining device, straining device triggers and shelters from formula sensor and sends out the signal of telecommunication, the let-off speed of control initiative let-off device, initiative let-off device includes actuating mechanism and warp beam, warp beam one end fixedly connected with driven gear, actuating mechanism passes through drive driven gear, drives the warp beam and rotates in the frame. This application has and to reach the initiative and carry the warp, improves the impaired and let-off mechanism of cotton thread and leads to the poor effect of the quality of weaving that warp tension is not enough to arouse because of inertial motion.
Description
Technical Field
The application relates to the field of textile machinery, in particular to a let-off mechanism of a rapier loom for producing all-cotton cloth.
Background
The existing looms are divided into two categories, namely shuttle looms and shuttleless looms, wherein the rapier loom is the most widely applied one of the shuttleless looms, and besides the advantages of high speed, high automation and high production efficiency of the shuttleless looms, the rapier loom has strong variety adaptability in a positive weft insertion mode and can adapt to weft insertion of different yarns.
In the prior art, the let-off mechanism of the rapier loom mostly adopts a passive let-off mode, namely, the let-off mechanism sends warp yarns into a looping system, the looping system weaves the warp yarns and weft yarns into cloth, then the cloth is coiled into a roll by a cloth roller, and the let-off mechanism rotates to let off the warp yarns under the action of the tension of the warp yarns.
In view of the above-mentioned related art, the inventors believe that there is a defect that the tension of the cotton thread in the all-cotton cloth is small, and the negative let-off causes the damage of the cotton thread.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the passive let-off can cause the damage of cotton threads, the application provides a let-off mechanism of a rapier loom for producing all-cotton cloth.
The application provides a pair of rapier weaving machine's of production cotton cloth let-off mechanism adopts following technical scheme:
the utility model provides a production is full cotton cloth's rapier weaving machine's let-off mechanism, includes the frame, can dismantle the initiative let-off device of connection in the frame, can dismantle the tension feedback device of connection in the frame and can dismantle the warp positioner of connection in the frame, tension feedback device includes two and shelters from formula sensor and straining device, straining device triggers and shelters from formula sensor and sends out the signal of telecommunication, controls the let-off speed of initiative let-off device.
By adopting the technical scheme, the let-off mechanism can trigger the shielding sensor through the tensioning mechanism to detect whether the let-off speed of the let-off mechanism and the weaving speed can be matched, and then the let-off speed is controlled by adjusting the speed of the active let-off device to achieve active let-off, so that the problems of cotton thread damage and poor weaving quality caused by insufficient warp tension due to inertial motion of the let-off mechanism are solved.
Preferably, the initiative let-off mechanism comprises a driving mechanism and a warp beam, wherein one end of the warp beam is fixedly connected with a driven gear, and the driving mechanism drives the warp beam to rotate on the frame by driving the driven gear.
By adopting the technical scheme, the warp beam adopts gear transmission, and the warp beam has the characteristics of constant instantaneous transmission ratio, high working stability, long service life and compact structure.
Preferably, actuating mechanism includes driving motor, driving gear and reduction gear, driving motor can dismantle the connection in the frame, driving gear fixed connection is in driving motor's drive shaft, reduction gear rotates to be connected in the frame, reduction gear is connected with the driving gear meshing, driving motor drives the driving gear, drives the warp beam through reduction gear speed reduction back and rotates.
By adopting the technical scheme, the reduction gear has the characteristics of high transmission ratio, simple and compact structure and strong transmission reliability, and can transmit instantaneous speed change.
Preferably, a gear cover is arranged on the outer side of the driving mechanism.
Through adopting above-mentioned technical scheme, the gear cover has the effect of protection user, prevents that objects such as user's clothing angle or hair are drawn into among the gear mechanism.
Preferably, a plurality of partition plates are arranged on the warp beam at equal intervals along the axial direction.
Through adopting above-mentioned technical scheme, baffle on the warp beam can carry out the subregion to different kind warp, prevents that intertwine from leading to the let-off problem to appear between the different strand warp.
Preferably, the tensioning mechanism comprises a support, a tensioning roller rotationally connected to the support, a spring sleeved on the support and a blocking piece fixedly installed at one end of the support far away from the tensioning roller, the support is arranged on the rack in a penetrating mode, the spring is supported between the support and the rack, and the tensioning roller can tightly support warp threads; two sheltering from formula sensor is fixed connection inboard at the curb plate of frame about respectively, the separation blade is located between two sheltering from formula sensors and when the plate washer produced the displacement from top to bottom, can shelter from two sheltering from formula sensors.
Through adopting above-mentioned technical scheme, the tensioning roller can prop up warp, guarantees that the warp tension of seeing off is unanimous, and the spring that the cover was established on the support simultaneously can give the certain elastic support of support, can contract or stretch when warp tension changes on the support, reaches the purpose that triggers formula sensor that shelters from.
Preferably, a plurality of positioning grooves are formed in the outer surface of the tensioning roller along the circumferential direction.
Through adopting above-mentioned technical scheme, the constant head tank can guide and inject the position of warp on the tensioning roller.
Preferably, the warp positioning device is provided with a plurality of threading holes.
Through adopting above-mentioned technical scheme, the layering about stranded warp can carry out through the through wires hole, with the warp in advance the layering and inject in the through wires hole, thereby prevent that the warp is driven by the heald frame and the position relation is in disorder, leads to warp winding, let-off to receive the problem such as hindrance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the active let-off device can solve the problems that the passive let-off device is damaged when cotton threads are damaged and the quality of woven cloth is poor due to insufficient warp tension caused by inertial motion of the let-off mechanism;
2. the active let-off device is provided with a gear cover which has the function of protecting a user and prevents clothes corners, hair and other objects of the user from being involved in the gear mechanism;
3. the tensioning roller among the tension feedback device can stretch warp tightly, guarantees that the warp tension of seeing off is unanimous, and the spring of establishing on the support can give the certain elastic support of support simultaneously, can contract or stretch when warp tension changes on the support, reaches the purpose that triggers the formula sensor that shelters from.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural view of an active let-off device according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a tension detecting device according to an embodiment of the present application.
Description of reference numerals: 1. a frame; 2. an active let-off device; 21. a drive mechanism; 211. a drive motor; 212. a driving gear; 213. a reduction gear; 22. a warp beam; 221. a driven gear; 23. a gear cover; 3. a tension feedback device; 31. a blind sensor; 32. a tensioning mechanism; 321. a support; 322. a tension roller; 323. a spring; 324. a baffle plate; 325. positioning a groove; 4. a warp positioning device; 41. and (6) threading holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a let-off mechanism of a rapier loom for producing all-cotton cloth. Referring to fig. 1 and 2, the let-off mechanism comprises a rack 1, an active let-off device 2, a tension feedback device 3 and a warp positioning device 4, wherein the rack 1 comprises three parts, the active let-off device 2, the tension feedback device 3 and the warp positioning device 4 are sequentially installed on the three parts, the active let-off device 2 comprises a driving mechanism 21, a warp shaft 22 and a gear cover 23, the driving mechanism 21 comprises a driving motor 211, a driving gear 212 and a reduction gear 213, the reduction gear 213 comprises two gears with the same modulus and different tooth numbers, the two gears are fixedly connected with two side faces of the same axis, and the driving gear 212 is meshed with a gear with more teeth in the reduction gear 213; warp beam 22 one end is equipped with driven gear 221, the less gear of number of teeth in reduction gear 213 meshes with driven gear 221, driving motor 211 passes through reduction gear 213 drive warp beam 22, it is reliable to have the connection, the characteristics that transmission efficiency is high and instantaneous transmission effect is good, driving gear 212, reduction gear 213 and driven gear 221 outside installation gear cover 23, prevent that gear group from leading to the fact the harm to personnel's article, gear cover 23 is the once only hard plastic part of moulding plastics preparation, have the ageing resistance, the hardness is high and the advantage of low price.
Referring to fig. 2, the warp beam 22 is a cylindrical roller, a plurality of detachable baffles 222 are uniformly distributed on the side surface of the warp beam 22, the baffles 222 are provided with circular rings with certain thickness, the inner diameter of the baffles 222 is the same as the outer diameter of the warp beam 22, a plurality of bolts are uniformly penetrated on the arc-shaped side surface of the baffles 222, a plurality of threaded holes are correspondingly distributed on the arc-shaped side surface of the warp beam 22, the baffles 222 are fixedly connected on the warp beam 22 through bolts, and the quantity of the baffles 222 can be adjusted according to requirements, so that the purpose of separating multi-strand warp yarns is achieved.
Referring to fig. 1 and 3, the tension feedback device 3 includes two shielding sensors 31 and a tensioning mechanism 32, the two shielding sensors 31 are installed on vertical rods of the rack 1 in an up-down opposite manner, the tensioning mechanism 32 is installed on a cross rod of the rack 1, the tensioning mechanism 32 includes a support 321, a tensioning roller 322, a spring 323 and a blocking piece 324, the support 321 includes fixed rods on two sides and a rotating shaft connected between the fixed rods, the tensioning roller 322 is rotatably connected to the rotating shaft in the support 321, the tensioning roller 322 is in a cylindrical structure, a plurality of positioning grooves 325 are engraved on a side surface of the tensioning roller, the number of the positioning grooves 325 corresponds to the number of yarn types, and a strand of warp yarn is connected in each; the fixed rods on two sides of the bracket 321 penetrate through the cross rod of the rack 1, the fixed rods are provided with round tables, the springs 323 are sleeved on the fixed rods, one ends of the springs are abutted against the upper surface and the lower surface of each round table, and the other ends of the springs are abutted against the upper surface of the cross rod of the rack 1; one end of the fixing rod far away from the rotating shaft is fixedly connected with a blocking piece 324, and the blocking piece 324 is positioned between the two shielding sensors 31; warp passes through behind the tension detection device 3 and wears to establish in warp positioner 4, and warp positioner 4 is the cuboid plastic slab that the surface was equipped with two rows of crisscross through wires holes 41, and the quantity of through wires hole 41 is the same with warp quantity.
When the let-off speed is reduced, the tension of the warp yarn is increased due to the constant weaving speed, the tension roller 322 is pressed to press the baffle 324, the shielding sensor 31 positioned below the baffle 324 transmits a signal to the controller after being shielded, and the controller controls the let-off speed of the driving mechanism 21 to be increased and the tension of the warp yarn to be reduced; when the let-off speed is too fast, the tension of the warp yarn is reduced, the tension roller 322 bounces after being not pressed, the blocking piece 324 blocks the shielding type sensor 31 on the upper part, then the sensor transmits a signal to the controller, and the controller controls the driving mechanism 21 to reduce the let-off speed, so that the tension of the warp yarn is restored to the initial state.
The implementation principle of the let-off mechanism of the rapier loom for producing the all-cotton cloth is as follows: the active let-off device 2 in the let-off mechanism comprises a drive mechanism 21 and a warp beam 22, the drive mechanism 21 can drive the warp beam 22 to rotate, so as to achieve the purpose of active let-off, and meanwhile, a gear cover 23 detachably arranged on the drive mechanism 21 can protect articles such as clothes, corners, hair and the like of a user from being rolled in by a gear transmission mechanism; can dismantle in the frame 1 and be connected with tension feedback device 3, tension feedback device 3 is including sheltering from formula sensor 31 and straining device 32, straining device 32 can reach the purpose that triggers sheltering from formula sensor 31 according to the tensioning degree transform of warp, can pass through signal converter transmission to actuating mechanism 21 with the signal of telecommunication after sheltering from formula sensor 31 triggers, reach the purpose of control actuating mechanism 21 let-off speed, this embodiment is through control let-off speed, the speed of weaving of cooperation loom, can make the warp at the uniform velocity supply, avoid the warp impaired and because of the poor problem of the fabric quality that let-off speed inequality caused.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a production full cotton cloth's rapier weaving machine's let-off mechanism which characterized in that: including frame (1), can dismantle initiative let-off warp device (2) of connection in frame (1), can dismantle tension feedback device (3) of connection in frame (1) and can dismantle warp positioner (4) of connection in frame (1), tension feedback device (3) include two and shelter from formula sensor (31) and straining device (32), straining device (32) trigger and shelter from formula sensor (31) signals of sending out, the speed of letting off warp of control initiative let-off warp device (2).
2. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 1, characterized in that: the active let-off device (2) comprises a driving mechanism (21) and a warp beam (22), wherein one end of the warp beam (22) is fixedly connected with a driven gear (221), and the driving mechanism (21) drives the warp beam (22) to rotate on the rack (1) through driving the driven gear (221).
3. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 2, characterized in that: actuating mechanism (21) include driving motor (211), driving gear (212) and reduction gear (213), connection can be dismantled on frame (1) in driving motor (211), driving gear (212) fixed connection is in the drive shaft of driving motor (211), reduction gear (213) rotate to be connected on frame (1), reduction gear (213) are connected with driving gear (212) meshing, driving motor (211) drive driving gear (212), through reduction gear (213) speed reduction back drive warp beam (22) rotate.
4. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 2, characterized in that: and a gear cover (23) is arranged on the outer side of the driving mechanism (21).
5. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 2, characterized in that: the warp beam (22) is provided with a plurality of partition plates (222) at equal intervals along the axial direction.
6. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 1, characterized in that: the tensioning mechanism (32) comprises a support (321), a tensioning roller (322) rotatably connected to the support (321), a spring (323) sleeved on the support (321) and a blocking piece (324) fixedly installed on the support (321) and far away from one end of the tensioning roller (322), the support (321) penetrates through the rack (1), the spring (323) is supported between the support (321) and the rack (1), and the tensioning roller (322) can tightly support warp threads; two sheltering from formula sensor (31) fixed connection is inboard at the curb plate of frame (1) about respectively, separation blade (324) are located between two sheltering from formula sensor (31) and when separation blade (324) produced the displacement from top to bottom, can shelter from two sheltering from formula sensor (31).
7. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 6, wherein: and a plurality of positioning grooves (325) are arranged on the outer surface of the tensioning roller (322).
8. The let-off mechanism of rapier loom for producing all-cotton cloth according to claim 1, characterized in that: the warp positioning device (4) is provided with a plurality of threading holes (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818220.2U CN213266909U (en) | 2020-08-26 | 2020-08-26 | Rapier weaving machine's of production cotton cloth let-off mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818220.2U CN213266909U (en) | 2020-08-26 | 2020-08-26 | Rapier weaving machine's of production cotton cloth let-off mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213266909U true CN213266909U (en) | 2021-05-25 |
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ID=75979407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021818220.2U Expired - Fee Related CN213266909U (en) | 2020-08-26 | 2020-08-26 | Rapier weaving machine's of production cotton cloth let-off mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213266909U (en) |
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2020
- 2020-08-26 CN CN202021818220.2U patent/CN213266909U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |