CN105463659A - Transmission device of jacquard loom - Google Patents
Transmission device of jacquard loom Download PDFInfo
- Publication number
- CN105463659A CN105463659A CN201610049542.7A CN201610049542A CN105463659A CN 105463659 A CN105463659 A CN 105463659A CN 201610049542 A CN201610049542 A CN 201610049542A CN 105463659 A CN105463659 A CN 105463659A
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- CN
- China
- Prior art keywords
- transmission device
- drive
- jacquard
- radius
- peripheral face
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Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C3/00—Jacquards
- D03C3/24—Features common to jacquards of different types
- D03C3/32—Jacquard driving mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a transmission device of a jacquard loom. The transmission device is characterized by comprising a transmission shaft and driven shafts, and a transmission wheel is arranged on the transmission shaft and driven by the transmission shaft to rotate; when the transmission wheel is driven by the transmission shaft to rotate, the peripheral face of the transmission wheel is made to move along a curve track, the curve track is one or a combination of a regular curve and an irregular curve, and the peripheral face of the transmission wheel makes direct contact with or is indirectly connected with the driven shafts and is used for driving the driven shafts to move. According to the transmission device of the jacquard loom, the transmission wheel is provided with first arc sections with the same radius and second arc sections with different radiuses, griffes are driven by the second arc sections to move, the griffes drive vertical hooks to be kept at the appointed position for certain time through the first arc sections, and therefore the vertical hooks can be attracted by an electromagnet or break away from adsorption conveniently.
Description
Technical field
The present invention relates to a kind of jacquard transmission device.
Background technology
Jacquard weave is exactly that textiles is with the ridge design of Jing Xian ﹑ parallel staggered.As warp thread must be divided into two-layer up and down according to certain rule by the intertexture that will realize through, weft yarn, to form the passage that weft yarn passes, namely shed open, after shed open introduced by weft yarn, two-layer warp thread is again according to intertexture rule position alternatively up and down, form new shed open, parallel passes shed open again, to knit out ridge design.Machine in order to realize above-mentioned weaving is jacquard.In the jacquard course of work, drive unit relies on actuator drives to griffe motion, and griffing motion rear drive lifting-hook moves back and forth.Griffe lifting-hook to be delivered to electromagnet place, electromagnet adsorbs griffes and keeps the regular hour.After completing, electromagnet removes the absorption to lifting-hook, and lifting-hook is with griffing to return back to original position.Electromagnet is the parts relying on electric current to produce magnetic adsorptive power, relies on the control to electromagnet current, can determine whether it has the size of absorption affinity and absorption affinity.But in actual use, there is the phenomenon postponed in the generation that is logical and disconnected and magnetic force of electric current.Such as, when making it produce electromagnetic force to electromagnet energising, conduction time and magnetic force reach maximum or meet instructions for use and has the time interval.Otherwise it is also the same that power-off makes electromagnet lose magnetic force, and power-off time and magnetic force disappear have the time interval completely.Due to this feature of electromagnet, can cause occurring in the jacquard course of work cannot to hold the phenomenon of lifting-hook by electromagnet.When griffing lifting-hook to be delivered to electromagnet place, griffing to remove support to lifting-hook, if when now electromagnet magnetic force is not enough and cannot hold lifting-hook, but griffing and relieving the support to lifting-hook, lifting-hook will be caused like this cannot to remain on the position of needs.Light then cause self-figure quality to reduce, severe one causes machine to stop production, and could continue to use after reparation.When the suction needing electromagnet to remove lifting-hook, if electromagnet exists suction delay phenomenon, its magnetic force cannot disappear at once, and lifting-hook is still adsorbed, and now lifting-hook just cannot with griffing to decline.This situation can cause the quality of weaving cotton cloth equally.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of jacquard transmission device making up electromagnet magnetic force and postpone the problem brought is provided.
For realizing above object, the present invention is achieved through the following technical solutions:
Jacquard transmission device, is characterized in that, described transmission device comprises power transmission shaft and driven shaft; Described power transmission shaft is provided with drive; Described power transmission shaft drives described drive to rotate; When described power transmission shaft drives described drive to rotate, make the outer peripheral face of described drive along a curved trajectory; Described curvilinear path is the curve of rule and/or irregular curve; The outer circumference surface of described drive directly contacts with described driven shaft or indirectly connects; Described drive outer peripheral face moves for driving described driven shaft.
According to one embodiment of present invention, the rotational trajectory of described drive outer peripheral face comprises the first identical orbit segment of radius second orbit segment not identical with radius.
According to one embodiment of present invention, described first orbit segment is not identical with described second orbit segment radius.
According to one embodiment of present invention, the central angle of described first orbit segment is 1 °-80 °.
According to one embodiment of present invention, described first orbit segment and described second orbit segment are arranged alternately successively.
According to one embodiment of present invention, described first orbit segment and described second orbit segment form the circle that a central angle is 360 °.
According to one embodiment of present invention, described drive outer peripheral face has the first radian section and the second radian section; With the pivot of described drive for the center of circle, described first radian section radius is identical, and described second radian section radius is not identical.
According to one embodiment of present invention, described first segmental arc is not identical with described second segmental arc radius.
According to one embodiment of present invention, described first segmental arc is more than two sections, and two section of first segmental arc radius is not identical.
According to one embodiment of present invention, the central angle of described first radian section is 1 °-80 °.
According to one embodiment of present invention, the central angle of described first radian section is 10 °-30 °
According to one embodiment of present invention, described drive is cam.
According to one embodiment of present invention, described drive is eccentric wheel.
According to one embodiment of present invention, also comprise swing arm, described swing arm one end is provided with roller, and the other end is connected from driven shaft with described; Described roller outer peripheral face contacts with described drive outer peripheral face; In described drive rotary course, compress described roller, make described roller drive described swing arm to swing, when described swing arm swings, drive described driven shaft to rotate.
According to one embodiment of present invention, described runner is installed in rotation in described swing arm.
Jacquard transmission device provided by the invention, drive is provided with the first identical segmental arc of radius second segmental arc different with radius, driven by the second segmental arc and griffe to move, make to griffe to drive lifting-hook to keep the regular hour in the position of specifying by the first segmental arc, facilitate lifting-hook held by electromagnet or depart from absorption.When energising or power-off, even if electromagnet exists magnetic force delay phenomenon, owing to griffe and lifting-hook now drives by the first segmental arc, the first segmental arc radius is identical, therefore griffe to remain unchanged the regular hour with the position of lifting-hook, for electromagnet magnetic force postpones to provide enough time.Such as, reach the 0.1 second time of maximum demand at electromagnet from being energized to magnetic force, the first segmental arc can make to griffe and lifting-hook be appointed as position keep 0.1 second constant, this makes it possible to guarantee that the position that lifting-hook is being specified is held by electromagnet.Electromagnet disappears the 0.1 second time of needs completely from being powered down to magnetic force, the first segmental arc make to griffe assigned address keep 0.1 second constant, this makes it possible to guarantee to griffe to catch lifting-hook after electromagnet magnetic force disappears completely, both move together.
The probability missing hook can be reduced 10%-15% by the present invention, reduces the probability that cloth produces skips problem, improves the quality of cloth.The present invention can utilize the first segmental arc, guarantees the maximum shed open retention time, guarantees that weft yarn passes through smoothly, reduces weft breakage rate, improves product percent of pass, guarantees product quality.The maximum shed open retention time stablizes, and also can guarantee weft yarn weft insertion device more smooth and easy turnover shed open when wefting insertion, avoid weft yarn weft insertion device to contact with warp thread, reduces weft yarn weft insertion device to warp thread damage by friction, avoids broken yarn.Improve product percent of pass, guarantee product quality.The reduction of weft breakage rate simultaneously, the minimizing of warp yarn friction damage, can reduce the replacing number of times of weft yarn and warp thread, thus production efficiency can be improved more than 2%.
Accompanying drawing explanation
Fig. 1 is the jacquard transmission device structural representation in the present invention.
Fig. 2 is the jacquard transmission device structural representation from another angle views.
Fig. 3 is the jacquard transmission device side view in the present invention.
Fig. 4 is the drive side view in the present invention.
Fig. 5 is displacement size and the corresponding time relationship coordinate diagram of roller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figures 1 to 4, jacquard transmission device 100, it comprises power transmission shaft 110 and driven shaft 120; Described power transmission shaft 110 is provided with drive 130.Described power transmission shaft 110 runs through described drive 130, and described power transmission shaft 110 drives described drive 130 to rotate.The outer peripheral face 133 of described drive 130 has the first radian section 131 and the second radian section 132.With the pivot O of described drive 130 for the center of circle, described first radian section 131 radius is identical, and described second radian section 132 radius is not identical.The radius of the first segmental arc is not identical with the radius of the second segmental arc.Outer peripheral face 133 both only can comprise one section of first segmental arc 131 and one section of second segmental arc 132.First segmental arc 131 and the second segmental arc 132 form the outer peripheral face of 360 °.Outer peripheral face 133 can also comprise multistage first segmental arc 131 and multistage second segmental arc 132, first segmental arc 131 and the second segmental arc 132 interval and arrange.In preferred exemplary as shown in the figure, the first segmental arc 131 and the second segmental arc 132 respectively have two sections.Two section of first segmental arc 131 radius is not identical.Wherein one section of first segmental arc 131 central angle is A1, and radius is R1; Another section second segmental arc 131 central angle is A2, and radius is R2.Radius R 2 is not identical with radius R 1.The radius change of two section of second segmental arc 132 is identical or not identical.In example as shown in the figure, the radius change trend of two section of second segmental arc 132 is identical.Adapt with the first segmental arc 131 and the second segmental arc 132, when described power transmission shaft 110 drives described drive 130 to rotate, make the outer peripheral face 133 of described drive 130 along a curved trajectory; The rotational trajectory of described drive 130 outer peripheral face comprises the first identical orbit segment of radius second orbit segment not identical with radius.Central angle A1, A2 of described first radian section 131 determine according to requirements, and it can be 1 °-80 °, are preferably 10 °-30 °.Corresponding, the central angle of described first orbit segment is 1 °-80 °, is preferably 10 °-30 °.In addition, the arc length of the first segmental arc 131 and the second segmental arc 132 can be determined according to actual operation requirements, and it does not necessarily form the outer peripheral face of 360 °.
According to the present invention, described drive 130 can be set to cam or eccentric wheel.Described curvilinear path is the curve of rule and/or irregular curve.The outer circumference surface of described drive 130 directly contacts with described driven shaft 120 or indirectly connects; Described drive 130 outer peripheral face moves for driving described driven shaft 120.
In example as shown in the figure, described transmission device 100 also comprises two swing arms 140.Each described swing arm 140 one end 141 is provided with roller 142, and the other end 143 is connected with one of them driven shaft 120.Described roller 142 outer peripheral face contacts with described drive 130 outer peripheral face.In described drive 130 rotary course, outer peripheral face 133 compresses described roller 142, makes described roller 142 drive described swing arm 140 to swing, drives described driven shaft 120 to rotate when described swing arm 140 swings.Described runner 142 is installed in rotation in described swing arm 140.
Drive unit drives power transmission shaft 110 to rotate.Power transmission shaft 110 drives drive 130 to rotate.In drive 130 rotation process, runner 142 is vertically moved up and down.Thus drive driven shaft 120 to rotate.As shown in Figure 5, when roller 142 contacts with the first segmental arc 131 at radius being R1, its displacement is zero; Then roller 142 contacts with the second segmental arc 132, and its displacement increases to maximum gradually.Then be that first segmental arc 131 of R2 contacts with radius, make roller 142 keep certain hour at displacement maximum, and then contact with the second segmental arc 132, it is that starting point is got back at zero place that its displacement drops to displacement gradually.Corresponding with roller 142 displacement, driven shaft 120 rotates along with the displacement of roller 142.The rotational angle of driven shaft 120 and the displacement size positive correlation of roller 142.When driven shaft 120 rotates, driving the first rocking arm 151 and the second rocking arm 152 to rotate, make to griffe frame 160 one end rises, the other end declines, also making along griffing the rising griffed of frame 160 length direction distribution, some decline.Make the less situation of the driven shaft rotation amplitude in the present invention that shed open can be made to open amplitude larger.
When the present invention uses, and non-required power transmission shaft 110 drives drive 130 according to 360 ° of rotations.It also can only rotate a certain angle.Such as, the roller 142 coordinated with the first driven shaft 121 is made to be only that first segmental arc 131 of R1 contacts with wherein one section of second segmental arc 132 with radius; And the first segmental arc that the roller 142 that coordinates with the second driven shaft 122 and radius are R2 is contacted with another section second segmental arc 132.Power transmission shaft 110 moves in circles mobile back and forth.
Upper and lower, left and right in the present invention are all reference with Fig. 3, for clearly describing the present invention and the relative concept used, do not form the restriction to right.
Embodiment in the present invention, only for the present invention will be described, does not form the restriction to right, other equivalent in fact substituting, all in scope that those skilled in that art can expect.
Claims (15)
1. jacquard transmission device, is characterized in that, described transmission device comprises power transmission shaft and driven shaft; Described power transmission shaft is provided with drive; Described power transmission shaft drives described drive to rotate; When described power transmission shaft drives described drive to rotate, make the outer peripheral face of described drive along a curved trajectory; Described curvilinear path is the curve of rule and/or irregular curve; The outer circumference surface of described drive directly contacts with described driven shaft or indirectly connects; Described drive outer peripheral face moves for driving described driven shaft.
2. jacquard transmission device according to claim 1, is characterized in that, the rotational trajectory of described drive outer peripheral face comprises the first identical orbit segment of radius second orbit segment not identical with radius.
3. jacquard transmission device according to claim 2, is characterized in that, described first orbit segment is not identical with described second orbit segment radius.
4. jacquard transmission device according to claim 2, is characterized in that, the central angle of described first orbit segment is 1 °-80 °.
5. jacquard transmission device according to claim 2, is characterized in that, described first orbit segment and described second orbit segment are arranged alternately successively.
6. jacquard transmission device according to claim 2, is characterized in that, described first orbit segment and described second orbit segment form the circle that a central angle is 360 °.
7. jacquard transmission device according to claim 1, is characterized in that, described drive outer peripheral face has the first radian section and the second radian section; With the pivot of described drive for the center of circle, described first radian section radius is identical, and described second radian section radius is not identical.
8. jacquard transmission device according to claim 7, is characterized in that, described first segmental arc is not identical with described second segmental arc radius.
9. the jacquard transmission device according to claim 7 or 8, is characterized in that, described first segmental arc is more than two sections, and two section of first segmental arc radius is not identical.
10. jacquard transmission device according to claim 7, is characterized in that, the central angle of described first radian section is 1 °-80 °.
11. jacquard transmission devices according to claim 7 or 10, it is characterized in that, the central angle of described first radian section is 10 °-30 °.
12. jacquard transmission devices according to claim 7, is characterized in that, described drive is cam.
13. jacquard transmission devices according to claim 7, is characterized in that, described drive is eccentric wheel.
14. jacquard transmission devices according to claim 1, is characterized in that, also comprise swing arm, and described swing arm one end is provided with roller, and the other end is connected from driven shaft with described; Described roller outer peripheral face contacts with described drive outer peripheral face; In described drive rotary course, compress described roller, make described roller drive described swing arm to swing, when described swing arm swings, drive described driven shaft to rotate.
15. jacquard transmission devices according to claim 14, is characterized in that, described runner is installed in rotation in described swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049542.7A CN105463659A (en) | 2016-01-25 | 2016-01-25 | Transmission device of jacquard loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049542.7A CN105463659A (en) | 2016-01-25 | 2016-01-25 | Transmission device of jacquard loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105463659A true CN105463659A (en) | 2016-04-06 |
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ID=55601796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610049542.7A Pending CN105463659A (en) | 2016-01-25 | 2016-01-25 | Transmission device of jacquard loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105463659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700014A (en) * | 2017-10-30 | 2018-02-16 | 江苏莱纳多智能装备有限公司 | A kind of jacquard lifting knives eccentric drive mechanism |
| CN107747153A (en) * | 2017-10-30 | 2018-03-02 | 江苏莱纳多智能装备有限公司 | A kind of floating type eccentric drive mechanism of jacquard lifting knives |
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|---|---|---|---|---|
| US4170250A (en) * | 1977-01-17 | 1979-10-09 | Cone Mills Corporation | Loom harness mechanism |
| FR2802219B1 (en) * | 1999-12-14 | 2002-10-18 | Staubli Sa Ets | CROWD FORMING DEVICE FOR JACQUARD-TYPE WEAVING |
| CN2591056Y (en) * | 2002-10-11 | 2003-12-10 | 弘生集团有限公司 | Oscillator for electronic jacquard |
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| TW200844283A (en) * | 2007-05-07 | 2008-11-16 | Sheng Ho Tsai S Trading Co Ltd | Linking-up mechanism of selector lever in Jacquard head |
| CN201190211Y (en) * | 2008-05-09 | 2009-02-04 | 杭州恒纺数码技术有限公司 | Shedding mechanism of electronic jacquard |
| CN201915195U (en) * | 2010-12-21 | 2011-08-03 | 常熟纺织机械厂有限公司 | Opening device of jacquard machine |
| CN205387609U (en) * | 2016-01-25 | 2016-07-20 | 上海氟赫滋精工科技有限公司 | Jacquard transmission device |
-
2016
- 2016-01-25 CN CN201610049542.7A patent/CN105463659A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170250A (en) * | 1977-01-17 | 1979-10-09 | Cone Mills Corporation | Loom harness mechanism |
| FR2802219B1 (en) * | 1999-12-14 | 2002-10-18 | Staubli Sa Ets | CROWD FORMING DEVICE FOR JACQUARD-TYPE WEAVING |
| CN2591056Y (en) * | 2002-10-11 | 2003-12-10 | 弘生集团有限公司 | Oscillator for electronic jacquard |
| CN2844161Y (en) * | 2005-11-25 | 2006-12-06 | 浙江大学 | A kind of electronic jacquard machine is griffed mechanism |
| TW200844283A (en) * | 2007-05-07 | 2008-11-16 | Sheng Ho Tsai S Trading Co Ltd | Linking-up mechanism of selector lever in Jacquard head |
| CN201190211Y (en) * | 2008-05-09 | 2009-02-04 | 杭州恒纺数码技术有限公司 | Shedding mechanism of electronic jacquard |
| CN201915195U (en) * | 2010-12-21 | 2011-08-03 | 常熟纺织机械厂有限公司 | Opening device of jacquard machine |
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Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700014A (en) * | 2017-10-30 | 2018-02-16 | 江苏莱纳多智能装备有限公司 | A kind of jacquard lifting knives eccentric drive mechanism |
| CN107747153A (en) * | 2017-10-30 | 2018-03-02 | 江苏莱纳多智能装备有限公司 | A kind of floating type eccentric drive mechanism of jacquard lifting knives |
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Application publication date: 20160406 |
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