CN2895457Y - Active connection-lever upper-fitted return mechanism - Google Patents
Active connection-lever upper-fitted return mechanism Download PDFInfo
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- CN2895457Y CN2895457Y CN 200620069220 CN200620069220U CN2895457Y CN 2895457 Y CN2895457 Y CN 2895457Y CN 200620069220 CN200620069220 CN 200620069220 CN 200620069220 U CN200620069220 U CN 200620069220U CN 2895457 Y CN2895457 Y CN 2895457Y
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- connecting rod
- rocker arm
- arm device
- shedding
- utility
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- Expired - Lifetime
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Abstract
The utility model relates to an active mechanism for withdrawing heald with driving connecting rod provided on upper part. Pertaining to a mechanism of shedding device of weaving machine for withdrawing heald, the utility model comprises a shedding connecting rod for connection with a shedding arm of the shedding device of the weaving machine, a right rocker arm device for connection with the shedding connecting rod and a heald frame, a left rocker arm device for connection with the heald frame, and a connecting rod for connection with both the left and right rocker arm devices. The utility model is characterized in that an auxiliary rocker arm device of the connecting rod, for connection with the connecting rod and the heald frame respectively, is arranged additionally in the middle between the left and right rocker arms. The connecting rod includes an inclined connecting rod and a straight connecting rod. Both ends of the inclined connecting rod are connected with the right rocker arm device and the auxiliary rocker arm device of the connecting rod respectively. Both ends of the straight connecting rod are connected with the auxiliary rocker arm device of the connecting rod and the left rocker arm device respectively. The utility model prevents the connecting rod from bending or even breaking in the middle part due to excessive lengths. The mechanism enhances the structure performance of the connecting rod so as to make even the inner component forces inside the rod. The utility model enables good support to the connecting rod and guides the connecting rod to run smoothly at high speed, meeting the operation requirements of high speed weaving machines.
Description
Technical field
The utility model belongs to returning of shedding device of weaving machine and combines mechanism, more particularly is the active type connecting rod overhead type return mechanism of shedding device of weaving machine.
Background technology
On loom, to finish heald frame harness motion clocklike,, outside flat-bed machine, cam, dobbies and jacquard etc., also need the supporting comprehensive mechanism of going back to of various shedding motions that is fit to except being equipped with all kinds of shedding motions.Time comprehensive mechanism of shedding motion can be divided into passive type spring flowing heald mechanism and the active type connecting rod goes back to comprehensive mechanism.Passive type spring flowing heald mechanism utilizes the restoring force of the power of shedding motion and spring to realize the harness motion of heald frame; The active type connecting rod goes back to comprehensive mechanism and then utilizes the power of shedding motion to realize the harness motion of heald frame.The active type connecting rod returns the basic structure of combining mechanism has overhead type return mechanism and underneath type to go back to comprehensive mechanism respectively, with active type connecting rod overhead type return mechanism is example, its structure is by shown in Figure 1, opening arm 1 drives right rocker arrangement 3 by the opening connecting rod 2 with its binding, right rocker arrangement 3 and left rocker arrangement 5 achieve synchronous swing by being rigidly connected of long connecting rod 4, thereby make the upper and lower reposefully motion of heald frame 6 that links with left and right rocker arrangement 5,3, use the harness motion of realizing loom.When the active type connecting rod overhead type return mechanism of said structure directly applies to the loom rotating speed when 550n/min is following, facts have proved that result of use is better.Yet the rotating speed of high-speed weaving machine is generally at 550-900n/min, owing to return the high speed reciprocating motion of combining mechanism at present, add the vibration of loom self, easily make connecting rod 4 produce chatter, the mechanical performance of connecting rod 4 is greatly reduced, and then cause connecting rod 4 in frequent motion back fatigue fracture at a high speed.According to the known opening theory of industry, the size of opening increases from 16 heald frames of first heald frame to the successively, and therefore, the amplitude of oscillation of corresponding last several connecting rods 4 increases, more easy fracture, even damage heald frame 6.And if the anti-fracture strength of connecting rod 4 is improved, then by existing connecting rod material, to make treatment process and assembly technology all are the instructions for uses that can't satisfy high-speed weaving machine.
Summary of the invention
Task of the present utility model is will provide a kind of can guarantee that the active type connecting rod overhead type return mechanism of wearing and tearing and rupturing and using the high-speed weaving machine instructions for use of satisfying various wide cuts can not appear in connecting rod.
Task of the present utility model is finished like this, a kind of active type connecting rod overhead type return mechanism, it comprises left rocker arrangement 5 that right rocker arrangement 3 and is used for and heald frame 6 links that the opening connecting rod 2, that is used for being connected with the opening arm 1 of shedding device of weaving machine is used for and opening connecting rod 2 and heald frame 6 links and the connecting rod that is used to link left and right rocker arrangement 5,3, and characteristics are that the position placed in the middle between described left and right rocker arrangement 5,3 also has additional one and is respectively applied for the connecting rod auxiliary rocker arm device 7 that links with described connecting rod and heald frame 6; Described connecting rod comprises diagonal control arm 4a and straight connecting rod 4b, and the two ends of diagonal control arm 4a link with right rocker arrangement 3 and connecting rod auxiliary rocker arm device 7 respectively, and the two ends of straight connecting rod 4b link with connecting rod auxiliary rocker arm device 7 and left rocker arrangement 5 respectively.
The utility model is owing to set up the connecting rod auxiliary rocker arm device 7 of a dead axle swinging structure between left and right rocker arrangement 3,5, locate oscillation center with connecting rod auxiliary rocker arm device 7, and the single long connecting rod in the prior art is divided into two into diagonal control arm 4a and straight connecting rod 4b, thereby can avoid causing that because of connecting rod is too tediously long the connecting rod middle bent is out of shape and even fracture, improve the structural behaviour of connecting rod, play the component effect of homogenizing connecting rod inside; Connecting rod auxiliary rocker arm device 7 well support link and the guiding link lever high-speed move freely, use and satisfy the high-speed weaving machine instructions for use.
Description of drawings
Figure 1 shows that the schematic diagram of the active type connecting rod overhead type return mechanism of wide cut loom in the prior art.
Figure 2 shows that the schematic diagram of the active type connecting rod overhead type return mechanism of wide cut loom of the present utility model.
The specific embodiment
Please in conjunction with Fig. 2, this embodiment be in the prior art and by the improvement of the active type connecting rod overhead type return mechanism of wide cut loom shown in Figure 1.Essential distinction is that between left and right rocker arrangement 5,3 the positive middle part or the title centre of more specifically saying so between left and right rocker arrangement 5,3 have been set up a connecting rod auxiliary rocker arm device 7.Why being called right rocker arrangement 3, is that promptly because it is positioned at the right-hand member of diagonal control arm 4a, so be called right rocker arrangement 3, the reason of left rocker arrangement 5 is as the same because according in its position shown in the figure.For connecting rod auxiliary rocker arm device 7, because its structure is identical with left rocker arrangement 5 in the prior art, and also also identical with the mode of connection of heald frame 6, so the applicant no longer gives unnecessary details it.
The end of diagonal control arm 4a, promptly rocking arm 31 lower ends of right-hand member among the figure and right rocker arrangement 3 are hinged, swing arm 31 is to be hinged in fixing on the swing arm seat on the loom girder steel by the pivot hole 311 on it, the upper end of swing arm 31 and opening connecting rod 2 are hinged, the middle part is hinged with the upper end of connecting rod 32, and the lower end of connecting rod 32 is connected with heald frame 6; The other end of diagonal control arm 4a, promptly the upper end of the swing arm 71 of left end among the figure and connecting rod auxiliary rocker arm device 7 is hinged, swing arm 71 is to be hinged in fixing on the swing arm seat on the loom girder steel by the pivot hole 711 on it, the upper end of the lower end of swing arm 71 and connecting rod 72 is hinged, and the lower end of connecting rod 72 is connected with heald frame 6.The middle part of the swing arm 51 of left side rocker arrangement 5 is hinged in fixing on the swing arm seat on the loom girder steel by the pivot hole 511 on it, and the upper end of the lower end of swing arm 51 and connecting rod 52 is hinged, the lower end of connecting rod 52 and heald frame 6 sockets.The two ends of straight connecting rod 4b are hinged with swing arm 51,71 respectively.
By the above-mentioned description of applicant as can be known, the utility model is to have increased connecting rod auxiliary rocker arm device 7 on the basis of the structure of original essentially identical overhead type return mechanism, this Design of device thinking is: according to the motion mode and the principle of the swing arm 51,31 of left and right end, swing arm 71 also is designed to the structure of energy dead axle swing, location oscillation center point is made at the position in pivot hole 711, for reducing the diastrophic trend that causes the connecting rod middle part because of connecting rod is long, improve the structural behaviour of connecting rod simultaneously.Whole connecting rod auxiliary rocker arm device 7 is arranged on the middle part of left and right rocker arrangement 5,3, more particularly be arranged on the intersection of diagonal control arm 4a and straight connecting rod 4b, can play the effect of component of the inside of homogenizing diagonal control arm 4a, straight connecting rod 4b effectively, for making connecting rod auxiliary rocker arm device 7 can support diagonal control arm 4a and straight connecting rod 4b well, and guiding diagonal control arm 4a, straight connecting rod 4b motion freely at a high speed, swing arm 71 adopts the form of turning joint and diagonal control arm 4a and straight connecting rod 4b to link.In addition, by foregoing description and in conjunction with Fig. 2 as can be known, left and right rocker arrangement 5,3 and connecting rod auxiliary rocker arm device 7 are synchronous in motion process, more particularly, swing arm 31, swing arm 71, swing arm 51 are swing synchronously in motion process.For make the three embody fully swing steadily, the amplitude of oscillation is consistent, therefore three's brachium should be consistent, thereby can more effectively avoid the violent chatter or the shake that on all directions of space, produce in the link lever high-speed motion, improve the dynamic property in the link motion process.
The applicant tests the utility model active type connecting rod overhead type return mechanism, does not find that at (under the confidential state) on probation on the high-speed air-jet looms connecting rod has wearing and tearing and phenomenon of rupture.
Claims (1)
1, a kind of active type connecting rod overhead type return mechanism, it comprises that the right rocker arrangement (3) and that the opening connecting rod (2), that is used for being connected with the opening arm (1) of shedding device of weaving machine is used for and opening connecting rod (2) and heald frame (6) link is used for left rocker arrangement (5) that links with heald frame (6) and the connecting rod that is used to link left and right rocker arrangement (5), (3), it is characterized in that position placed in the middle between described left and right rocker arrangement (5), (3) also has additional a connecting rod auxiliary rocker arm device (7) that is respectively applied for described connecting rod and heald frame (6) binding; Described connecting rod comprises diagonal control arm (4a) and straight connecting rod (4b), the two ends of diagonal control arm (4a) link with right rocker arrangement (3) and connecting rod auxiliary rocker arm device (7) respectively, and the two ends of straight connecting rod (4b) link with connecting rod auxiliary rocker arm device (7) and left rocker arrangement (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069220 CN2895457Y (en) | 2006-02-10 | 2006-02-10 | Active connection-lever upper-fitted return mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069220 CN2895457Y (en) | 2006-02-10 | 2006-02-10 | Active connection-lever upper-fitted return mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895457Y true CN2895457Y (en) | 2007-05-02 |
Family
ID=38065037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620069220 Expired - Lifetime CN2895457Y (en) | 2006-02-10 | 2006-02-10 | Active connection-lever upper-fitted return mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895457Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328638B (en) * | 2007-06-20 | 2012-10-17 | 施托布利法韦日公司 | Drawing device for controlling heald frame of weaving machine and shed-forming component and weaving machine |
| CN104328565A (en) * | 2014-10-22 | 2015-02-04 | 杭州创兴织造设备科技有限公司 | Shedding device based on servo motor |
-
2006
- 2006-02-10 CN CN 200620069220 patent/CN2895457Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328638B (en) * | 2007-06-20 | 2012-10-17 | 施托布利法韦日公司 | Drawing device for controlling heald frame of weaving machine and shed-forming component and weaving machine |
| CN104328565A (en) * | 2014-10-22 | 2015-02-04 | 杭州创兴织造设备科技有限公司 | Shedding device based on servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070502 |
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| EXPY | Termination of patent right or utility model |