CN105463660A - Direct-drive type active cam shedding mechanism - Google Patents
Direct-drive type active cam shedding mechanism Download PDFInfo
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- CN105463660A CN105463660A CN201510886420.9A CN201510886420A CN105463660A CN 105463660 A CN105463660 A CN 105463660A CN 201510886420 A CN201510886420 A CN 201510886420A CN 105463660 A CN105463660 A CN 105463660A
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- cam
- swing arm
- direct
- connecting rod
- shedding mechanism
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Abstract
The invention discloses a direct-drive type active cam shedding mechanism. The mechanism comprises direct-drive cam devices connected on a harness frame through connection rods, wherein each connection rod comprises a first connection rod and a second connection rod, one end of the first connection rod of each connection rod is connected with the corresponding direct-drive cam device, the other end of the first connection rod of each connection rod is connected with the front end of the corresponding second connection rod, and the tail end of the corresponding second connection rod is connected with the harness frame. According to the direct-drive type active cam shedding mechanism, transmission is simple and reliable, a few of moving members are required, light-weight transmission is realized, motion friction pairs are reduced, friction loss is reduced, the rotation speed of a loom is much increased and cannot be reached by a single-cam shedding device, the stress condition of cams is improved, the service life of the cam shedding mechanism is prolonged, and a width-breadth loom can realize high-speed shedding.
Description
Technical field
The present invention relates to a kind of shedding mechanism of weaving machine, particularly relate to the positive cam shedding mechanism of a kind of direct-drive type.
Background technology
Shedding mechanism is the indispensable part of fabric manufacture equipment, and forming opening mode has multiple.Common shedding motion has cam shedding, dobby shedding and jacquard weave opening.Cam shedding can be divided into active type and passive type according to returning the difference of comprehensive form, current common mostly on the market is active cam shedding mechanism.Wherein comprise the guiding mechanism of active type cam opening device, link transmission enlarger, heald frame and heald frame.Main operational principle is that the rotation of loom main shaft is transferred to cam opening device, the hunting period of conjugate cam swing arm is controlled by the cam disc installing differently contoured curve in cam opening device, again through link transmission enlarger, utilize parallelogram and lever principle that the swing of cam swing arm is converted to the elevating movement of heald frame, realize different openings.
Traditional shedding mechanism of weaving machine must adopt linkage magnification system just can complete loom open-work, and driving member is more, have impact on the accurate operation of transmission mechanism, and meanwhile, single cam opening device speed of a motor vehicle is low, affects the quality of the production efficiency of product.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the positive cam shedding mechanism of a kind of direct-drive type, linkage magnification system is eliminated than conventional positive cam shedding mechanism, run up lay a good foundation for directly driving cam gear, transmission is simple and reliable, moving link is few, transmission lightweight, reduce friction of motion secondary, reduce frictional dissipation, loom rotating speed is brought up to single cam opening device to be beyond one's reach the speed of a motor vehicle simultaneously, improve the stressing conditions of cam bit, extend the service life of cam opening device, Looms high speed opening can be realized.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of direct-drive type positive cam shedding mechanism, comprise being connected to and heald frame directly drives cam gear, it is characterized in that, the described cam gear that directly drives is connected with heald frame by connecting rod, and described connecting rod comprises first connecting rod and second connecting rod, described first connecting rod one end with directly drive cam gear and be connected, one end is connected with second connecting rod front end in addition, and second connecting rod end is connected with heald frame.
In the present invention's preferred embodiments, the described cam gear that directly drives comprises casing, swing arm unit, swing arm rotating shaft, right-hand member gland, conjugate cam sheet, left end gland and cam shaft, described swing arm rotating shaft is arranged on casing internal, described swing arm unit is arranged in swing arm rotating shaft, described cam shaft is arranged on the swing arm rotating shaft back lower place, and be parallel to swing arm rotating shaft, described conjugate cam sheet is arranged on cam shaft, and described right-hand member gland and left end gland are separately positioned on right-hand member and the left end of cam shaft.
In the present invention's preferred embodiments, described swing arm unit comprises 8 swing arms.
In the present invention's preferred embodiments, the output of swing arm and the connection of first connecting rod be bearing hinge connection revolute pair or be fixed on by other means in swing arm with the revolute pair of rod hinge connection.
In the present invention's preferred embodiments, described 8 swing arms are Length discrepancy swing arm, form step and are interspersed.
In the present invention's preferred embodiments, described connecting rod is established and is provided with at most the quantity identical with swing arm.
In the present invention's preferred embodiments, the described cam gear that directly drives at least is provided with two covers, and adjacent directly driving between cam gear is connected by power transmission shaft.
The invention has the beneficial effects as follows: the positive cam shedding mechanism of a kind of direct-drive type of the present invention, linkage magnification system is eliminated than conventional positive cam shedding mechanism, run up lay a good foundation for directly driving cam gear, transmission is simple and reliable, moving link is few, transmission lightweight, reduce friction of motion secondary, reduce frictional dissipation, loom rotating speed is brought up to single cam opening device to be beyond one's reach the speed of a motor vehicle simultaneously, improve the stressing conditions of cam bit, extend the service life of cam opening device, Looms high speed opening can be realized.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of direct-drive type of the present invention positive cam shedding mechanism one preferred embodiment;
Fig. 2 heald frame and directly drive the connection layout of cam gear;
Fig. 3 is the connection corresponding relation of heald frame and swing arm;
Fig. 4 directly drives cam unit formation schematic diagram.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 4, the embodiment of the present invention provides following technical scheme.
The positive cam shedding mechanism of a kind of direct-drive type, comprise being connected to and heald frame 1 directly drives cam gear 2, the described cam gear 2 that directly drives is connected with heald frame 1 by connecting rod 3, described connecting rod 3 comprises first connecting rod 31 and second connecting rod 32, described first connecting rod 31 one end with directly drive cam gear 1 and be connected, one end is connected with second connecting rod 32 front end in addition, and second connecting rod 32 end is connected with heald frame 1.
In above-mentioned, the described cam gear 2 that directly drives is moved up and down by connecting rod 3 Direct driver heald frame 1, and directly drive cam gear 2 and multi-disc 1 heald frame can be used to carry out harness motion, the motion of every a slice heald frame 1 all will follow the contour curve of used cam bit.
The described cam gear 2 that directly drives comprises casing 21, swing arm unit 22, swing arm rotating shaft 23, right-hand member gland 24, conjugate cam sheet 25, left end gland 26 and cam shaft 27, it is inner that described swing arm rotating shaft 23 is arranged on casing 21, described swing arm unit 22 is arranged in swing arm rotating shaft 23, described cam shaft 27 is arranged on swing arm rotating shaft 23 back lower place, and be parallel to swing arm rotating shaft 23, described conjugate cam sheet 25 is arranged on cam shaft 27, and described right-hand member gland 24 and left end gland 26 are separately positioned on right-hand member and the left end of cam shaft 27.
Described swing arm unit 22 comprises 8 swing arms, and the output of swing arm and the connection of first connecting rod 31 are the revolute pair 6 of bearing hinge connection or the revolute pair 6 hinged with first connecting rod 31 that be fixed on by other means in swing arm.
Described swing arm is provided with bearing 5, the bearing 5 of 8 swing arms is not identical to the position of swing arm rotating shaft 23.Described connecting rod 3 is provided with at most the quantity identical with swing arm, according to requirements chooses corresponding quantity during use.
Described 8 swing arms are Length discrepancy swing arm, formation step is interspersed, the bearing 5 of 8 swing arms is not identical to the position of swing arm rotating shaft 23, swing arm is carried out step and is interspersed, reduce the friction of adjacent heald frame, Length discrepancy swing arm simultaneously, the connection of the corresponding a slice heald frame of every sheet swing arm, rationally avoids the space interference of connecting rod and heald frame.
The described cam gear 2 that directly drives at least is provided with two covers, and adjacent directly driving between cam gear 1 is connected by power transmission shaft 4.
The invention has the beneficial effects as follows: the positive cam shedding mechanism of a kind of direct-drive type of the present invention, linkage magnification system is eliminated than conventional positive cam shedding mechanism, run up lay a good foundation for directly driving cam gear, transmission is simple and reliable, moving link is few, transmission lightweight, reduce friction of motion secondary, reduce frictional dissipation, loom rotating speed is brought up to single cam opening device to be beyond one's reach the speed of a motor vehicle simultaneously, improve the stressing conditions of cam bit, extend the service life of cam opening device, Looms high speed opening can be realized.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the positive cam shedding mechanism of direct-drive type, comprise being connected to and heald frame directly drives cam gear, it is characterized in that, the described cam gear that directly drives is connected with heald frame by connecting rod, described connecting rod comprises first connecting rod and second connecting rod, described first connecting rod one end with directly drive cam gear and be connected, one end is connected with second connecting rod front end in addition, and second connecting rod end is connected with heald frame.
2. the positive cam shedding mechanism of direct-drive type according to claim 1, it is characterized in that, the described cam gear that directly drives comprises casing, swing arm unit, swing arm rotating shaft, right-hand member gland, conjugate cam sheet, left end gland and cam shaft, described swing arm rotating shaft is arranged on casing internal, described swing arm unit is arranged in swing arm rotating shaft, described cam shaft is arranged on the swing arm rotating shaft back lower place, and be parallel to swing arm rotating shaft, described conjugate cam sheet is arranged on cam shaft, and described right-hand member gland and left end gland are separately positioned on right-hand member and the left end of cam shaft.
3. the positive cam shedding mechanism of direct-drive type according to claim 2, is characterized in that, described swing arm unit comprises 8 swing arms.
4. the positive cam shedding mechanism of direct-drive type according to claim 3, is characterized in that, the output of swing arm and the connection of first connecting rod be bearing hinge connection revolute pair or be fixed on by other means in swing arm with the revolute pair of rod hinge connection.
5. the positive cam shedding mechanism of direct-drive type according to claim 3, is characterized in that, described 8 swing arms are Length discrepancy swing arm, forms step and is interspersed.
6. the positive cam shedding mechanism of direct-drive type according to claim 3, is characterized in that, described connecting rod is provided with at most the quantity identical with swing arm.
7. the positive cam shedding mechanism of direct-drive type according to claim 1, is characterized in that, the described cam gear that directly drives at least is provided with two covers, and adjacent directly driving between cam gear is connected by power transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886420.9A CN105463660A (en) | 2015-12-07 | 2015-12-07 | Direct-drive type active cam shedding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886420.9A CN105463660A (en) | 2015-12-07 | 2015-12-07 | Direct-drive type active cam shedding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN105463660A true CN105463660A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886420.9A Pending CN105463660A (en) | 2015-12-07 | 2015-12-07 | Direct-drive type active cam shedding mechanism |
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| CN (1) | CN105463660A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264309A (en) * | 2018-09-06 | 2019-01-25 | 赵永忠 | A kind of Multi-station synchronous linkage mechanism |
| CN111334913A (en) * | 2020-04-21 | 2020-06-26 | 丁明明 | Shedding mechanism for textile machinery |
| CN111519306A (en) * | 2020-05-07 | 2020-08-11 | 西安工程大学 | Cam shedding mechanism for weaving carbon fibers |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752194A (en) * | 1972-02-29 | 1973-08-14 | Bonas Machine Co | Loom shedding mechanism |
| CN2592670Y (en) * | 2002-12-17 | 2003-12-17 | 承巍 | Heddle frame lifting mechanism for high-speed shuttleless webbing loom |
| CN2635685Y (en) * | 2003-07-25 | 2004-08-25 | 无锡市宏星纺织器材厂 | Positive cam shedding device |
| CN1676704A (en) * | 2004-02-10 | 2005-10-05 | 格罗兹-贝克特公司 | Shedding mechanism for a loom |
| CN203360711U (en) * | 2013-03-27 | 2013-12-25 | 必佳乐（苏州工业园区）纺织机械有限公司 | Cam replacement device for cam shedding mechanism |
| CN205382259U (en) * | 2015-12-07 | 2016-07-13 | 江苏宋和宋智能科技有限公司 | Positive cam opening mechanism of formula of driving directly |
-
2015
- 2015-12-07 CN CN201510886420.9A patent/CN105463660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752194A (en) * | 1972-02-29 | 1973-08-14 | Bonas Machine Co | Loom shedding mechanism |
| CN2592670Y (en) * | 2002-12-17 | 2003-12-17 | 承巍 | Heddle frame lifting mechanism for high-speed shuttleless webbing loom |
| CN2635685Y (en) * | 2003-07-25 | 2004-08-25 | 无锡市宏星纺织器材厂 | Positive cam shedding device |
| CN1676704A (en) * | 2004-02-10 | 2005-10-05 | 格罗兹-贝克特公司 | Shedding mechanism for a loom |
| CN203360711U (en) * | 2013-03-27 | 2013-12-25 | 必佳乐（苏州工业园区）纺织机械有限公司 | Cam replacement device for cam shedding mechanism |
| CN205382259U (en) * | 2015-12-07 | 2016-07-13 | 江苏宋和宋智能科技有限公司 | Positive cam opening mechanism of formula of driving directly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264309A (en) * | 2018-09-06 | 2019-01-25 | 赵永忠 | A kind of Multi-station synchronous linkage mechanism |
| CN111334913A (en) * | 2020-04-21 | 2020-06-26 | 丁明明 | Shedding mechanism for textile machinery |
| CN111334913B (en) * | 2020-04-21 | 2021-08-31 | 丁明明 | Shedding mechanism for textile machinery |
| CN111519306A (en) * | 2020-05-07 | 2020-08-11 | 西安工程大学 | Cam shedding mechanism for weaving carbon fibers |
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Application publication date: 20160406 |
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