CN201334576Y - Transverse movement transmission device of warp loom weft thread cart - Google Patents
Transverse movement transmission device of warp loom weft thread cart Download PDFInfo
- Publication number
- CN201334576Y CN201334576Y CNU2008202381065U CN200820238106U CN201334576Y CN 201334576 Y CN201334576 Y CN 201334576Y CN U2008202381065 U CNU2008202381065 U CN U2008202381065U CN 200820238106 U CN200820238106 U CN 200820238106U CN 201334576 Y CN201334576 Y CN 201334576Y
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- China
- Prior art keywords
- synchronous belt
- synchronous
- supporting base
- guide rail
- transmission device
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Abstract
The utility model discloses a transverse movement transmission device of a weft thread cart, which comprises a transverse movement support seat which is matched with a cross beam guide rail of a warp loom in a rolling or a sliding way, and a synchronous belt pulley which is arranged in the transverse movement support seat; a driving device is fixedly connected with the transverse movement support seat; the driving device drives the synchronous belt pulley to rotate; the upper part of the guide rail is provided with a synchronous transmission belt along the length direction; the gear-shaped surface of the synchronous transmission belt is opposite to the upper surface of the guide rail, and both ends respectively go through both transverse sides of the transverse movement support seat and are fixedly connected with the guide rail; and the synchronous transmission belt in the transverse movement support seat is meshed with the synchronous belt pulley. A synchronous belt guide wheel is symmetrically arranged on both transverse sides of the synchronous belt pulley, and a synchronous transmission belt wrap angle at the joint between the synchronous belt guide wheel and the synchronous transmission belt is smaller than or equal to 90 degrees. The transverse movement transmission device of a warp loom weft thread cart not only has high transmission precision, is not easy to damage, has long service life and low noise, but also has very good commercial prospect.
Description
Technical field
The utility model relates to the transmission device of Weft laying trolley in a kind of Weft laying mechanism of warp knitting machine, specifically, relates to a kind of transverse transmission device that is mainly used in Weft laying trolley in the multiple-axial warp knitting machine.
Background technology
The existing multiple-axial warp knitting machine that is used to weave weft inserted warp knit fabric, the Weft laying trolley transverse transmission device that is adopted roughly has two kinds, a kind of mainly by the traversing supporting base that cooperates with the rolling of warp knitting machine beam guideway, be arranged on the gear in this traversing supporting base, and constitute with the tooth bar of this gears engaged and the motor that is fixedly connected on the traversing supporting base, Weft laying trolley is fixedly connected on the longeron slide block of vertically arranging between the warp knitting machine crossbeam, longeron is fixedlyed connected with traversing supporting base, by metal material for example the tooth bar made of aluminium alloy be laid on its upper surface along the rail length direction, the toothed surface of tooth bar is provided with up, and the output shaft of motor is connected with the gear key; When making transverse motion, rotated by motor-driven gear, gear rolls along the toothed surface of tooth bar, thereby makes traversing supporting base and Weft laying trolley make transverse motion along the rail length direction.The transverse transmission device of this structure, behind the operation certain hour, because gear and tooth bar serious wear and the degree of wear are inequality, and owing to reasons such as motor output shaft rigidity deficiencies, when gear when tooth bar rolls, about gear takes place on tooth bar and/or the play of front and back, thereby influenced transmission accuracy greatly, cause the traversing speed instability of Weft laying trolley, the action of rake pin is not in place, thereby can not satisfy the required required precision of transverse motion; Thereby especially reducing the shop in order to increase output when the latitude time improving traversing speed, this play is even more serious, makes traversing speed be subjected to bigger restriction like this, greatly reduce production efficiency, in addition, the noise during spur roller gear is also bigger, influences health of operators.The Weft laying trolley transverse transmission device of another kind of structure designs for the deficiency that overcomes said structure, the difference of itself and said structure is, rack-and-pinion engaged transmission mode conversion is become the kind of drive that is made of timing belt pulley, closed ring synchronous belt and tooth bar; The annular synchronous belt between timing belt pulley and tooth bar and its toothed surface be provided with outwardly, in annular synchronous belt and be positioned at the both lateral sides of timing belt pulley, one regulating wheel is set respectively, and it makes the top and the timing belt pulley engagement of synchronous belt, bottom and tooth bar engagement; When making transverse motion, rotate by the motor-driven timing belt pulley, drive annular synchronous belt simultaneously and rotate, and make synchronous belt make gear motion, thereby make traversing supporting base and Weft laying trolley make transverse motion along the rail length direction along the toothed surface of tooth bar; The transverse transmission device of this structure, transmission accuracy is higher, transmission speed is fast, production efficiency has obtained improving significantly, can satisfy production requirement, but since synchronous belt and tooth bar when making gear motion stressed greatly and serious wear, thereby fracture accident often takes place, fracture one was to secondary even more in one month, and each maintenance all need spend a few hours and just can finish, and has therefore had a strong impact on the continuous production of fabric, has increased maintenance cost simultaneously, again because the price of synchronous belt is higher, thereby increased production cost.
The utility model content
It is higher that the technical problems to be solved in the utility model provides a kind of not only transmission accuracy, and not fragile, long service life, Weft laying trolley transverse transmission device that noise is low.
For solving the problems of the technologies described above, the utility model adopts such Weft laying trolley transverse transmission device, it comprises the traversing supporting base that rolls or be slidingly matched with the warp knitting machine beam guideway and places timing belt pulley in this traversing supporting base, drive unit is fixedly connected on this traversing supporting base, described timing belt pulley is driven by described drive unit and rotates, be provided with synchronous belt on described guide rail top along its length direction, the toothed surface of this synchronous belt and described guide rail upper surface are oppositely arranged, and the both lateral sides that described traversing supporting base is passed at its two ends is respectively fixedlyed connected with described guide rail, in synchronous belt that is positioned at described traversing supporting base and described timing belt pulley engagement fit.
After adopting such structure, because the Weft laying trolley transverse motion is to realize by the gear motion of timing belt pulley and synchronous belt, promptly driving timing belt pulley by drive unit rotates, timing belt pulley rolls along the toothed surface of synchronous belt, thereby realizes that traversing supporting base and Weft laying trolley make transverse motion along the rail length direction; It is compared with second kind of transmission device in the prior art, omitted the meshing transmission structure of the tooth bar of synchronous belt and metal material, thereby suffered pulling force of synchronous belt and shearing force and wear extent are significantly reduced, through test, the synchronous belt of this structure just can rupture after using three to four years, has therefore greatly prolonged the service life of synchronous belt; Because synchronous belt is a tension element with steel wire rope or glass cord usually, neoprene or polyurethane are matrix, its fatigue strength is big, ABRASION RESISTANCE is strong, timing belt pulley does not have relative slip during with the synchronous belt gear motion, the transmission accuracy height, can guarantee gearratio and transmission accuracy accurately, and noise is also lower during transmission.
As a kind of improvement of the present utility model, in described traversing supporting base and the both lateral sides that is positioned at described timing belt pulley be respectively arranged with synchronous tape guide wheel, this synchronous tape guide wheel cooperates with described synchronous belt rolling.Adopt such structure, on the one hand, directive wheel can prevent that synchronous belt from departing from the guide rail direction, engaged transmission is accurately put in place, in addition, when described synchronous tape guide wheel plays tension to synchronous belt, can also make the position of timing belt pulley and synchronous belt engagement more, thereby more difficult relative slip during motion, transmission accuracy is higher, on the other hand, and the structure that this rolling cooperates, make the friction between directive wheel and the synchronous belt littler, thereby make the longer service life of driving belt.
As further improvement of the utility model, described synchronous tape guide wheel is arranged on the both lateral sides of described timing belt pulley symmetrically, and the synchronous belt cornerite a of synchronous tape guide wheel and synchronous belt joint is less than or equal to 90 °.Adopt such structure, on the one hand, because being symmetrical arranged of directive wheel, make the timing belt pulley both sides stressed evenly, thereby make engaged transmission more steady, reliable, on the other hand, because driving belt cornerite a is less than or equal to 90 °, thereby make the position of timing belt pulley and synchronous belt engagement more, and being difficult for during gear motion sliding relatively, transmission accuracy is higher.
As another kind of improvement the of the present utility model, in described traversing supporting base and the both lateral sides that is positioned at described timing belt pulley be respectively arranged with turning cylinder, this turning cylinder be rotationally connected with vertical both sides of described traversing supporting base and with the crimping mutually of described synchronous belt.Adopt such structure, its processing and installation, maintenance are comparatively easy, and transmission accuracy is also higher; When the synchronous belt cornerite β of described turning cylinder and synchronous belt crimping place was less than or equal to 90 °, the position of timing belt pulley and synchronous belt engagement was more, and its transmission accuracy is higher.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of structural representation of embodiment of the transverse transmission device of the utility model Weft laying trolley.
Fig. 2 is the structural representation of another kind of embodiment of the transverse transmission device of the utility model Weft laying trolley.
Fig. 3 is the structural representation of another embodiment of the transverse transmission device of the utility model Weft laying trolley.
Fig. 4 is the partial enlarged drawing at I place among Fig. 1.
Fig. 5 is that the transverse transmission device of the utility model Weft laying trolley is installed in the structural representation on the warp knitting machine beam guideway.
The specific embodiment
Referring to Fig. 1,2,3 and the transverse transmission device of a kind of Weft laying trolley of warp knitting machine shown in Figure 5, comprise the traversing supporting base 2 that rolls or be slidingly matched with warp knitting machine beam guideway 1 and place timing belt pulley 3 in this traversing supporting base 2, drive unit 4 is fixedly connected on this traversing supporting base 2, described timing belt pulley 3 is driven by described drive unit 4 and rotates, as shown in Figure 5, the drive unit 4 of the utility model employing is a servomotor; Be provided with synchronous belt 5 on described guide rail 1 top along its length direction, the toothed surface 5-1 of this synchronous belt 5 and described guide rail 1 upper surface are oppositely arranged, and the both lateral sides that described traversing supporting base 2 is passed at its two ends is respectively fixedlyed connected with described guide rail 1, the synchronous belt 5 and described timing belt pulley 3 engagement fit that are being positioned at described traversing supporting base 2.
As shown in Figure 5, longeron 12 two ends of warp knitting machine respectively be arranged on beam guideway 1,10 on traversing supporting base 2,11 fixedly connected, described traversing supporting base 2,11 rolls with beam guideway 1,10 respectively and is connected, the structure that the preferred this rolling of the utility model connects helps reducing the frictional force between the traversing supporting base 2,11 and beam guideway 1,10 when traversing; The Weft laying trolley of warp knitting machine (not shown) is fixedly connected on the longeron slide block 13, and vertically moving of Weft laying trolley is that vertical shift is driven and realized moving back and forth by motor 14.
As shown in Figure 1, in described traversing supporting base 2 and the both lateral sides that is positioned at described timing belt pulley 3 be respectively arranged with synchronous tape guide wheel 6, this synchronous tape guide wheel 6 cooperates with described synchronous belt 5 rollings; This structure only needs by two bolsters 15 are set, and these two bolsters 15 are fixedlyed connected with vertical biside plate of traversing supporting base 2 respectively, and being set with a synchronous tape guide wheel 6 then on these two bolsters 15 can realize; Certainly also can take other conventional means, for example weld a bearing support respectively in the both lateral sides portion of traversing supporting base 2, two synchronous tape guide wheels 6 are rotationally connected with described bearing support respectively gets final product then, not shown in the figures; The utility model preferably is arranged on directive wheel 6 bottom of traversing supporting base 2, and make 6 pairs of synchronous belts of directive wheel, the 5 downward application of forces, synchronous belt 5 is played tension, when making the synchronous belt 5 that is positioned at directive wheel 6 bottoms be in guide rail 1 upper surface parallel position, the transmission effect is preferable.
As shown in Figure 2, described synchronous tape guide wheel 6 is arranged on the both lateral sides of described timing belt pulley 3 symmetrically, and synchronously tape guide wheel 6 is less than or equal to 90 ° with the synchronous belt cornerite a of synchronous belt 5 joints, there is shown synchronous belt cornerite a and be 90 ° position.Make like this timing belt pulley 3 both sides stressed evenly, make that engaged transmission is more steady, reliable, transmission accuracy is higher.When synchronous tape guide wheel 6 was in the synchronous belt 5 that is positioned at its underpart to parallel the position with guide rail 1 upper surface, engaged transmission was the most steady, and transmission accuracy is the highest, the transmission best results.
Above-mentioned bolster, the structure of directive wheel also can take other structure to replace, for example adopt the structure of turning cylinder, as shown in Figure 3, promptly in described traversing supporting base 2 and the both lateral sides that is positioned at timing belt pulley 3 turning cylinder 7 is set respectively, this turning cylinder 7 be rotationally connected with vertical both sides of described traversing supporting base 2 and with the crimping mutually of described synchronous belt 5.When the synchronous belt cornerite β of described turning cylinder 7 and synchronous belt 5 crimping place is less than or equal to 90 °, the transmission effect is preferable, when the synchronous belt 5 that is positioned at turning cylinder 7 bottoms being in parallel the position with guide rail 1 upper surface, the transmission best results.
For synchronous belt 5 is installed on the guide rail 1 reliably, can pressing plate 8 be set respectively at the two ends of described synchronous belt 5, reach the screw that on guide rail 1, is provided with by pressing plate 8, bolt synchronous belt 5 is fixedly connected on described guide rail 1.
For synchronous belt 5 is installed on the guide rail 1 more reliably, shown in Fig. 1 to 5, can between the two ends of described synchronous belt 5 and described guide rail 1 upper surface, cushion block 9 be set, this cushion block 9 has and the suitable toothed surface of described synchronous belt 5 shapes, the teeth groove of the tooth of described synchronous belt 5 and cushion block 9 is chimeric mutually, fixedlys connected with described guide rail 1 by described pressing plate 8 and cushion block 9 in the two ends of described synchronous belt 5.
For implementing the utility model better, above-mentioned transmission mechanism of the present utility model can also be installed in the traversing supporting base 11 on the opposite side guide rail 10 of warp knitting machine, on guide rail 10, lay synchronous belt 5 simultaneously, and the timing belt pulley 3 in the traversing supporting base 2,11 is linked together by connecting power transmission shaft 16; When existing Weft laying trolley transverse transmission device is transformed, only need the transmission mechanism in the existing traversing supporting base 2,11 is replaced as above-mentioned transmission mechanism of the present utility model, and laying synchronous belt 5 gets final product on guide rail 1,10, repeats no more here.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some distortion and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (7)
1, a kind of transverse transmission device of Weft laying trolley of warp knitting machine, comprise the traversing supporting base (2) that rolls or be slidingly matched with warp knitting machine beam guideway (1) and place the interior timing belt pulley (3) of this traversing supporting base (2), drive unit (4) is fixedly connected on this traversing supporting base (2), described timing belt pulley (3) is driven by described drive unit (4) and rotates, it is characterized in that: be provided with synchronous belt (5) along its length direction on described guide rail (1) top, the toothed surface (5-1) of this synchronous belt (5) is oppositely arranged with described guide rail (1) upper surface, and the both lateral sides that described traversing supporting base (2) is passed at its two ends is respectively fixedlyed connected with described guide rail (1), in synchronous belt (5) that is positioned at described traversing supporting base (2) and described timing belt pulley (3) engagement fit.
2, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 1, it is characterized in that: in described traversing supporting base (2) and the both lateral sides that is positioned at described timing belt pulley (3) be respectively arranged with synchronous tape guide wheel (6), this synchronous tape guide wheel (6) cooperates with described synchronous belt (5) rolling.
3, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 2, it is characterized in that: described synchronous tape guide wheel (6) is arranged on the both lateral sides of described timing belt pulley (3) symmetrically, and the synchronous belt cornerite a of synchronous tape guide wheel (6) and synchronous belt (5) joint is less than or equal to 90 °.
4, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 1, it is characterized in that: in described traversing supporting base (2) and the both lateral sides that is positioned at described timing belt pulley (3) be respectively arranged with turning cylinder (7), this turning cylinder (7) be rotationally connected with vertical both sides of described traversing supporting base (2) and with described synchronous belt (5) crimping mutually.
5, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 4 is characterized in that: described turning cylinder (7) is less than or equal to 90 ° with the synchronous belt cornerite β of synchronous belt (5) crimping place.
6, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 1 is characterized in that: fixedly connected with described guide rail (1) by pressing plate (8) disposed thereon in the two ends of described synchronous belt (5).
7, the transverse transmission device of Weft laying trolley of warp knitting machine according to claim 6, it is characterized in that: also be provided with cushion block (9) between the two ends of described synchronous belt (5) and described guide rail (1) upper surface, this cushion block (9) has and the suitable toothed surface of described synchronous belt (5) shape, the teeth groove of the tooth of described synchronous belt (5) and cushion block (9) is chimeric mutually, fixedlys connected with described guide rail (1) by described pressing plate (8) and cushion block (9) in the two ends of described synchronous belt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202381065U CN201334576Y (en) | 2008-12-26 | 2008-12-26 | Transverse movement transmission device of warp loom weft thread cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202381065U CN201334576Y (en) | 2008-12-26 | 2008-12-26 | Transverse movement transmission device of warp loom weft thread cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201334576Y true CN201334576Y (en) | 2009-10-28 |
Family
ID=41286227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202381065U Expired - Lifetime CN201334576Y (en) | 2008-12-26 | 2008-12-26 | Transverse movement transmission device of warp loom weft thread cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201334576Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061029A (en) * | 2013-01-28 | 2013-04-24 | 常州市第八纺织机械有限公司 | Warp knitting weft laying crossbeam adjusting device |
-
2008
- 2008-12-26 CN CNU2008202381065U patent/CN201334576Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061029A (en) * | 2013-01-28 | 2013-04-24 | 常州市第八纺织机械有限公司 | Warp knitting weft laying crossbeam adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091028 Effective date of abandoning: 20081226 |