CN216107425U - Chain wheel griffe mechanism of jacquard - Google Patents
Chain wheel griffe mechanism of jacquard Download PDFInfo
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- CN216107425U CN216107425U CN202121437560.5U CN202121437560U CN216107425U CN 216107425 U CN216107425 U CN 216107425U CN 202121437560 U CN202121437560 U CN 202121437560U CN 216107425 U CN216107425 U CN 216107425U
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- chain wheel
- griffe
- main mounting
- mounting plate
- sprocket
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Abstract
A chain wheel griffe mechanism of a jacquard belongs to the technical field of jacquard; the griffe transmission mechanism of the electronic jacquard machine drives the front griffe mechanism and the rear griffe mechanism to do reciprocating motion through a transmission chain, two eccentric chain wheels on the main mounting plate lift two groups of swing rod groups on the same side in opposite directions through the transmission chain, the turning chain wheel and the input chain wheel to do up-and-down motion in opposite directions, and drive mounting frames on two sides of the main mounting plate to synchronously lift griffe connecting rods to sequentially do up-motion, so that a warp opening is formed. The whole transmission mechanism is simple in structure, ingenious in design and stable in operation.
Description
Technical Field
The utility model belongs to the technical field of jacquard machines, and particularly relates to a chain wheel griffe mechanism of a jacquard machine.
Background
The jacquard needle to be lifted, a connected system silk thread, a steel wire heald with a heald eye and a return spring are lifted by utilizing the suction and swing of an electromagnetic valve in the conventional electronic jacquard machine so as to achieve the purpose of forming a warp opening, the alternate lifting operation of the jacquard needle is completely driven by an independent transmission mechanism, and the up-and-down motion of an inner jacquard arm and an outer jacquard arm one on the other is realized by utilizing the complex combination of a plurality of groups of levers, eccentric cams and connecting rods. The structure of the transmission mechanism is too complex, and the running stability of the system needs to be improved. Other prior arts still do not break through the technical problem that the transmission structure is too complicated.
Disclosure of Invention
The utility model mainly solves the technical problems in the prior art and provides a chain wheel griffe mechanism of a jacquard.
The technical problem of the utility model is mainly solved by the following technical scheme: a chain wheel knife lifting mechanism of a jacquard comprises two support rods arranged side by side, a main mounting plate is erected between the two support rods, an auxiliary mounting plate is erected between the two support rods on the front side of the main mounting plate, a bearing seat is arranged in the middle of the auxiliary mounting plate, a driving shaft is rotatably connected in the bearing seat, a driving chain wheel is sleeved at the front end of the driving shaft and fixedly connected with the driving shaft, a driven shaft is penetrated at the lower left end of the main mounting plate and rotatably connected with the main mounting plate through a rolling bearing, a driven chain wheel is sleeved at the front end of the driven shaft and fixedly connected with the driven shaft, the driven chain wheel and the driving chain wheel are positioned on the same plane, an input chain is connected between the driving chain wheel and the driven chain wheel, and an input chain wheel is sleeved on the driven shaft on the front side of the main mounting plate, the input chain wheel is fixedly connected with the driven shaft, two eccentric chain wheels are symmetrically arranged in the middle of the upper end of the main mounting plate and are rotatably connected with the main mounting plate through rolling bearings, and a turning chain wheel is rotatably connected onto the main mounting plate between the eccentric chain wheels.
As preferred, the front side of main mounting panel is equipped with a set of preceding tool carrier group, the rear side of main mounting panel is equipped with a set of back tool carrier group, preceding tool carrier group is the same with back tool carrier group structure, preceding tool carrier group is including mounting bracket and two sets of swing rods group, swing rods group includes two swinging booms, and two swinging booms set up and mutual threaded connection relatively, two upsides the swinging boom difference swivelling joint of downside is two on the eccentric wheel that corresponds the swinging boom difference swivelling joint of downside is on the mounting bracket.
Preferably, a plurality of lifting knife connecting rods are arranged at the lower end of the mounting frame at equal intervals, and the plurality of lifting knife connecting rods in the front lifting knife rest group and the plurality of lifting knife connecting rods in the rear lifting knife rest group are arranged in a staggered mode.
Preferably, a transmission chain is connected between the two eccentric chain wheels, the direction changing chain wheel and the input chain wheel.
The utility model has the following beneficial effects: the griffe transmission mechanism of the electronic jacquard machine drives the front griffe mechanism and the rear griffe mechanism to do reciprocating motion through a transmission chain, two eccentric chain wheels on the main mounting plate lift two groups of swing rod groups on the same side in opposite directions through the transmission chain, the turning chain wheel and the input chain wheel to do up-and-down motion in opposite directions, and drive mounting frames on two sides of the main mounting plate to synchronously lift griffe connecting rods to sequentially do up-motion, so that a warp opening is formed. The whole transmission mechanism is simple in structure, ingenious in design and stable in operation.
Drawings
FIG. 1 is a front perspective view of the present invention;
fig. 2 is a schematic rear perspective view of the present invention.
In the figure: 1. a support bar; 2. a main mounting plate; 3. an auxiliary mounting plate; 4. a bearing seat; 5. a drive shaft; 6. a drive sprocket; 7. a driven shaft; 8. a driven sprocket; 9. inputting a chain; 10. an input sprocket; 11. an eccentric sprocket; 12. a direction-changing chain wheel; 13. a mounting frame; 14. a rotating arm; 15. a knife lifting connecting rod; 16. a drive chain.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): a chain wheel knife lifting mechanism of a jacquard comprises two support rods 1 arranged side by side, a main mounting plate 2 is erected between the two support rods 1, an auxiliary mounting plate 3 is erected between the two support rods 1 on the front side of the main mounting plate 2, a bearing seat 4 is arranged at the middle position of the auxiliary mounting plate 3, a driving shaft 5 is rotatably connected in the bearing seat 4, a driving chain wheel 6 is sleeved at the front end of the driving shaft 5, the driving chain wheel 6 is fixedly connected with the driving shaft 5, a driven shaft 7 is arranged at the left lower end of the main mounting plate 2 in a penetrating manner, the driven shaft 7 is rotatably connected with the main mounting plate 2 through a rolling bearing, a driven chain wheel 8 is sleeved at the front end of the driven shaft 7, the driven chain wheel 8 is fixedly connected with the driven shaft 7, and the driven chain wheel 8 and the driving chain wheel 6 are positioned on the same plane, be connected with input chain 9 between drive sprocket 6 and the driven sprocket 8, the cover is equipped with an input sprocket 10 on the driven shaft 7 of 2 front sides of main mounting panel, input sprocket 10 and 7 fixed connection of driven shaft, the intermediate position symmetry of 2 upper ends of main mounting panel is equipped with two eccentric sprocket 11, two eccentric sprocket 11 passes through antifriction bearing and 2 swivelling joints of main mounting panel, two swivelling joint has a diversion sprocket 12 on the main mounting panel 2 between the eccentric sprocket 11.
The front side of the main mounting plate 2 is provided with a group of front tool-carrying rack sets, the rear side of the main mounting plate 2 is provided with a group of rear tool-carrying rack sets, the front tool-carrying rack sets and the rear tool-carrying rack sets are identical in structure, each front tool-carrying rack set comprises a mounting frame 13 and two groups of swing rods, each swing rod set comprises two rotating arms 14, the two rotating arms 14 are oppositely arranged and are in threaded connection with each other, the two upper rotating arms 14 are respectively and rotatably connected to corresponding eccentric wheels, and the two lower rotating arms 14 are respectively and rotatably connected to the mounting frame 13; a plurality of knife lifting connecting rods 15 are equidistantly arranged at the lower end of the mounting frame 13, and the knife lifting connecting rods 15 in the front knife lifting frame group and the knife lifting connecting rods 15 in the rear knife lifting frame group are staggered with each other; a transmission chain 16 is connected between the two eccentric chain wheels 11, the direction changing chain wheel 12 and the input chain wheel 10.
The principle of the utility model is as follows: firstly, the driving shaft 5 is driven to rotate through an external driving mechanism, the driving shaft 5 drives the driving chain wheel 6 to rotate, the input chain 9 drives the driven chain wheel 8 to rotate, so that the driven shaft 7 is driven to rotate, the driven shaft 7 rotates to drive the two eccentric chain wheels 11 to rotate through the transmission chain 16, the two eccentric chain wheels 11 lift the front lifting knife rest group and the rear lifting knife rest group in opposite directions, the two groups of swing rods on the same side move up and down in opposite directions, the mounting frames 13 on the two sides of the main mounting plate 2 are driven to lift the lifting knife connecting rods 15 synchronously and move upwards in sequence, and up-and-down movement of the lifting knife in the jacquard machine is realized.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the utility model is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (4)
1. The utility model provides a chain wheel griffe mechanism of jacquard machine, includes two bracing pieces (1) that set up side by side, its characterized in that: two a main mounting plate (2) is erected between the support rods (1), an auxiliary mounting plate (3) is erected between two support rods (1) on the front side of the main mounting plate (2), a bearing seat (4) is arranged at the middle position of the auxiliary mounting plate (3), a driving shaft (5) is rotatably connected in the bearing seat (4), a driving chain wheel (6) is sleeved at the front end of the driving shaft (5), the driving chain wheel (6) is fixedly connected with the driving shaft (5), a driven shaft (7) is arranged at the left lower end of the main mounting plate (2) in a penetrating manner, the driven shaft (7) is rotatably connected with the main mounting plate (2) through a rolling bearing, a driven chain wheel (8) is sleeved at the front end of the driven shaft (7), the driven chain wheel (8) is fixedly connected with the driven shaft (7), and the driven chain wheel (8) and the driving chain wheel (6) are positioned on the same plane, be connected with input chain (9) between drive sprocket (6) and driven sprocket (8), the cover is equipped with one input sprocket (10) on driven shaft (7) of main mounting panel (2) front side, input sprocket (10) and driven shaft (7) fixed connection, the intermediate position symmetry of main mounting panel (2) upper end is equipped with two eccentric sprocket (11), two eccentric sprocket (11) are through antifriction bearing and main mounting panel (2) swivelling joint, two swivelling joint has a turning sprocket (12) on main mounting panel (2) between eccentric sprocket (11).
2. The chain wheel griffe mechanism of jacquard machine according to claim 1, characterized in that: the front side of main mounting panel (2) is equipped with a set of preceding tool rest group, the rear side of main mounting panel (2) is equipped with a set of back tool rest group, preceding tool rest group is the same with back tool rest group structure, prerequisite tool rest group is including mounting bracket (13) and two sets of swing rods group, swing rods group is including two swinging arms (14), and two swinging arms (14) set up and mutual threaded connection relatively, two upsides swinging arm (14) difference swivelling joint is on the eccentric wheel that corresponds, two downside swinging arms (14) difference swivelling joint is on mounting bracket (13).
3. The chain wheel griffe mechanism of jacquard machine according to claim 2, characterized in that: the lower extreme equidistance of mounting bracket (13) is equipped with many griffe connecting rods (15), many griffe connecting rods (15) in preceding griffe group and many griffe connecting rods (15) in the back griffe group stagger the setting each other.
4. The chain wheel griffe mechanism of jacquard machine according to claim 2, characterized in that: and a transmission chain (16) is connected between the two eccentric chain wheels (11), the direction changing chain wheel (12) and the input chain wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437560.5U CN216107425U (en) | 2021-06-26 | 2021-06-26 | Chain wheel griffe mechanism of jacquard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437560.5U CN216107425U (en) | 2021-06-26 | 2021-06-26 | Chain wheel griffe mechanism of jacquard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216107425U true CN216107425U (en) | 2022-03-22 |
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ID=80721031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121437560.5U Active CN216107425U (en) | 2021-06-26 | 2021-06-26 | Chain wheel griffe mechanism of jacquard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216107425U (en) |
-
2021
- 2021-06-26 CN CN202121437560.5U patent/CN216107425U/en active Active
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