CN203200445U - Transmission improvement structure of slow-acting and weft-searching device - Google Patents
Transmission improvement structure of slow-acting and weft-searching device Download PDFInfo
- Publication number
- CN203200445U CN203200445U CN 201320175396 CN201320175396U CN203200445U CN 203200445 U CN203200445 U CN 203200445U CN 201320175396 CN201320175396 CN 201320175396 CN 201320175396 U CN201320175396 U CN 201320175396U CN 203200445 U CN203200445 U CN 203200445U
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- Prior art keywords
- bevel gear
- gear
- worm
- transmission
- shaft
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Abstract
The utility model discloses a transmission improvement structure of a slow-acting and weft-searching device in a jacquard rapier loom, belonging to the technical field of the slow-acting and weft-searching device of the jacquard rapier loom. The transmission improvement structure comprises a speed changing motor and a worm shaft, wherein an output shaft of the speed changing motor and the worm shaft are respectively provided with a driving bevel gear and a driven bevel gear which are mutually meshed; the driving bevel gear is a primary small gear; the driven bevel gear is a secondary big gear; the worm shaft is also provided with an upper elastic shaft sleeve and a lower elastic shaft sleeve which are respectively resisted with an upper end face and a lower end face of a worm; and the tooth number ratio of the driving bevel gear and the driven bevel gear is 3:2. With the adoption of the device by adopting the above scheme, speed reducing transmission is realized; and a working torsional force of the motor output shaft is low, so that the motor output shaft is avoided from being broken; the meshing rotating impact of the bevel gears is low, so that the bevel gears are abraded slowly; and a butterfly-shaped spring piece is abandoned, instead, an integrated elastic shaft sleeve is used, so that the problem that transmission gears in a gear box are broken into pieces as the butterfly-shaped spring piece is broken is solved.
Description
[technical field]
The transmission that the utility model relates to slow motion and weft finding device in a kind of jacquard weave rapier loom improves, and belongs to slow motion and the weft finding device technical field of jacquard weave rapier loom.
[background technology]
The slow motion that Rapier looms relates to: be to make loom under the mode of slow rotation, introduce piecemeal weft yarn; Rapier looms relates to seeks latitude: in order to seek staplings, opening (multi-arm or jacquard weave opening) mechanism is separated, with individual operation flat metal heald or heald with the rapier loom main shaft transmission.
Slow motion and weft finding device provide power source by a motor in the Rapier looms, the motor output shaft end is fixed a bevel gear with 20 teeth, the axle head of worm component is the bevel gear of another 20 teeth fixedly, worm screw not only is housed on the axle, the some disc spring films that stack setting also are housed, two bevel gear engagements, both were with constant speed transmission in 1: 1, and worm screw and copper worm gear mesh.
Existing Rapier looms with above-mentioned drive mechanism matches and can normally move with the multi-arm tap, and carry out Frequent Troubles in the jacquard weaving production process with jacquard head is supporting: fault is mainly manifested in the transmission aspect of slow motion and weft finding device, disc spring film normal off in motor shaft normal off, the worm component splits, the wearing and tearing of two bevel gears and copper worm gear comparatively fast are not durable, causing these parts to become consumable accessory is because the jacquard weave opening is different from dobby shedding, the former especially makes the driven loads of slow motion and weft finding device larger when seeking the latitude operation at slow motion.
[utility model content]
The transmission that the purpose of this utility model provides a kind of slow motion and weft finding device improves structure, by the problem that the improvement of this device is ruptured with the disc spring film of avoiding in motor output shaft fracture, the worm component.
For this reason, the utility model provides following technical scheme:
The transmission of slow motion and weft finding device improves structure, be used for the jacquard weave rapier loom, comprise variable speed electric motors, particularly and worm shaft, initiatively bevel gear is housed on the output shaft of variable speed electric motors, particularly, driven bevel gear with the engagement of active bevel gear is housed on the worm shaft, its improvement is: described active bevel gear is the one-level pinion, and described driven bevel gear is the secondary gear wheel, and the upper and lower elastic shaft sleeve of conflicting respectively with the upper and lower end face of worm screw also is housed on the described worm shaft.
The gear ratio of above-mentioned active bevel gear and driven bevel gear is 3: 2.
The utlity model has following advantage and beneficial effect:
After adopting technique scheme, because initiatively the gearratio of bevel gear and driven bevel gear is 3:2, has realized deceleration transmission, active bevel gear of the present utility model is faster than the rotating speed of prior art, corresponding the slowing down of its rotating speed of driven bevel gear, motor output shaft work torsion is little, has avoided the generation of its phenomenon of rupture, and two bevel gear engagement rotations are impacted little, wearing and tearing are slow and durability is high, worm and wheel engagement is rotated and is impacted littlely, and correspondingly, the worm gear wearing and tearing are slow and durability is high; Abandon disc spring film, replaced that what use is the elastic shaft sleeve of integral type, avoided disc spring film cracked and smash travelling gear problem in the gear-box.
[description of drawings]
Fig. 1 is structural representation of the present utility model.
[specific embodiment]
Seeing also shown in Figure 1ly, is preferred embodiment of the present utility model.
The transmission of slow motion and weft finding device improves structure, be used for the jacquard weave rapier loom, comprise variable speed electric motors, particularly 1 and worm shaft 4, initiatively bevel gear 2 is housed on the output shaft 11 of variable speed electric motors, particularly 1, driven bevel gear 3 with 2 engagements of active bevel gear is housed on the worm shaft 4, initiatively bevel gear 2 is the one-level pinion, and driven bevel gear 3 is the secondary gear wheel, and upper elastic shaft sleeve 6, the lower elastic shaft sleeve 7 of conflicting respectively with the upper and lower end face of worm screw 41 also are housed on the worm shaft 4.
Initiatively bevel gear 2 is 3: 2 with the gear ratio of driven bevel gear 3, and the number of teeth of driven bevel gear 3 is 24 teeth, and initiatively the number of teeth of bevel gear 2 is 16 teeth.
Initiatively bevel gear 2 is loaded on the end of axle shaft 11, and both connect by flat key 10, and initiatively bevel gear 2 is fixed by collar (not shown) again.
From the upper end of worm shaft 4 downwards successively worm shaft 4 be equipped with driven bevel gear 3, upper bearing (metal) 5, on elastic shaft sleeve 6, lower elastic shaft sleeve 7, lower bearing 8 and nut 9.
Wherein, driven bevel gear 3 is the upper ends that are connected in worm shaft 4 by flat key 40, and driven bevel gear 3 is fixed by collar (not shown) again; The upper and lower end face of upper elastic shaft sleeve 6 touches mutually with the inner ring lower surface of upper bearing (metal) 5, the upper end of worm screw 41 respectively; And the upper and lower end face of lower elastic shaft sleeve 7 touches mutually with the lower surface of worm screw 41, the inner ring upper end of lower bearing 8 respectively; Nut 9 is rotatably connected in the bottom of worm shaft 4, so that lower bearing 8 is fixing.
Worm screw 41 and copper worm gear (not shown) engagement.Worm screw 41 can be processed into a part with worm shaft 4; Both can also be the split engaging structures, and worm screw 41 is hollow form and the inwall car is made the vertical bar tooth, and the worm shaft 4 corresponding sections that are meshed with worm screw 41 have outer vertical bar tooth.
Upper elastic shaft sleeve 6, lower elastic shaft sleeve 7 are integral type respectively, all adopt plastic sleeve.
During concrete the installation, variable speed electric motors, particularly 1 is installed on the gear-box, and a whole set of worm component is loaded in the gear-box, and the upper and lower bearing block of offering in the gear-box is installed for upper bearing (metal) 5, lower bearing 8 respectively, and driven bevel gear 3 stretches out outside the gear-box.
Claims (2)
1. the transmission of a slow motion and weft finding device improves structure, be used for the jacquard weave rapier loom, comprise variable speed electric motors, particularly and worm shaft, initiatively bevel gear is housed on the output shaft of variable speed electric motors, particularly, driven bevel gear with the engagement of active bevel gear is housed on the worm shaft, it is characterized in that: described active bevel gear is the one-level pinion, and described driven bevel gear is the secondary gear wheel, and the upper and lower elastic shaft sleeve of conflicting respectively with the upper and lower end face of worm screw also is housed on the described worm shaft.
2. the transmission of slow motion according to claim 1 and weft finding device improves structure, and it is characterized in that: the gear ratio of described active bevel gear and driven bevel gear is 3: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175396 CN203200445U (en) | 2013-03-29 | 2013-03-29 | Transmission improvement structure of slow-acting and weft-searching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175396 CN203200445U (en) | 2013-03-29 | 2013-03-29 | Transmission improvement structure of slow-acting and weft-searching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203200445U true CN203200445U (en) | 2013-09-18 |
Family
ID=49144572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320175396 Expired - Fee Related CN203200445U (en) | 2013-03-29 | 2013-03-29 | Transmission improvement structure of slow-acting and weft-searching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203200445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485041A (en) * | 2013-09-30 | 2014-01-01 | 杭州利宝纺织机械有限公司 | Rapier conveying box part of rapier loom |
| CN106283363A (en) * | 2016-11-02 | 2017-01-04 | 重庆群禾纺织有限公司 | Warp let-off worm screw used by a kind of loom |
-
2013
- 2013-03-29 CN CN 201320175396 patent/CN203200445U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485041A (en) * | 2013-09-30 | 2014-01-01 | 杭州利宝纺织机械有限公司 | Rapier conveying box part of rapier loom |
| CN106283363A (en) * | 2016-11-02 | 2017-01-04 | 重庆群禾纺织有限公司 | Warp let-off worm screw used by a kind of loom |
| CN106283363B (en) * | 2016-11-02 | 2018-01-19 | 重庆群禾纺织有限公司 | A kind of loom is with warp let-off worm screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20150329 |
|
| EXPY | Termination of patent right or utility model |