CN2511694Y - Plain weave opening device for water jet loom - Google Patents

Abstract

A plain weave shedding device for a water jet loom comprises a power transmission mechanism, an upper heald lifting shaft and a lower heald lifting shaft, wherein the power transmission mechanism is provided with a motive power input crank and a retransmission rod piece, and is characterized in that the motive power input crank directly drives one of the two heald lifting shafts, the heald lifting shaft drives the other heald lifting shaft through the retransmission rod piece, the retransmission rod piece is provided with a rocker connected with the heald lifting shaft directly driven by the crank, the other rocker is connected with the other heald lifting shaft, two transition connecting rods and a fixed rocker are arranged between the two rockers, the two rockers are equal in length, the fixed forked rocker arms are equal in length, and an included angle between the fixed forked rocker arms is 90 degrees. The device has the characteristics of clear opening, convenient adjustment and maintenance and the like.

Description

A kind of plain weave shedding motion that is used for water jet looms

(1), technical field

The utility model relates to water jet looms, particularly the plain weave mouth device of water jet looms.

(2), background technology

In water jet looms, weave a plain weave of organizing circulation to comprise two warp thread and two weft yarns, when inweaving a weft yarn, rise to above the weft yarn every one in the warp thread, and other warp thread sinks to below this root weft yarn, then opposite when knitting next root weft yarn, float over when knitting last weft yarn above the weft yarn those warp thread sink to below the weft yarn, those warp thread that sink to below the weft yarn then float to above the weft yarn, promptly, when inweaving first when wanting weft yarn, 1 in the warp thread, 3,5 warp thread such as odd number such as grade are mentioned, and 2,4,6 warp thread such as even number such as grade sink to below the weft yarn, when inweaving the 2nd weft yarn, 2,4,6 warp thread such as even number such as grade are mentioned, and 1,3,5 warp thread such as odd number such as grade sink under the weft yarn, and what realize above-mentioned functions is exactly the plain weave shedding motion.This device comprises power transmission mechanism in the prior art, two shedding axles up and down, a shedding axle drives and is in 1,3, the heald frame of 5 odd positions, another root shedding axle drives and is in 2,4, the heald frame of 6 even number positions pumps respectively simultaneously round about, when promptly shedding runs to the summit on axially, run to end point under another root shedding is axial, vice versa, this power transmission mechanism is that two cover crank connecting rods divide connection and driving shedding axle separately in the body left and right sides, because every cover crank is by separately set of gears transmission, the gap of two sleeve gears is difficult to accomplish in full accord, this problem of after date is more outstanding when using one section, sometimes can bring opening unintelligible thus, moreover when adjusting, need both sides to adjust simultaneously, it is big to adjust difficulty.

(3), summary of the invention

Task of the present utility model is to solve the above-mentioned defective that prior art plain weave shedding motion exists, and provides a kind of opening clear, plain weave shedding motion easy to adjust.

Its technical solution is:

The utility model is used for the plain weave shedding motion of water jet looms, comprise power transmission mechanism, two shedding axles up and down, power transmission mechanism has motive power input crank and transmits rod member again, the clutch end of motive power input crank connects one of two shedding axles, transmits rod member again and is arranged between the two shedding axles; Transmit rod member again rocking bar (1-1) and rocking bar (1-2) are arranged, the shedding axle that joins with the clutch end of motive power input crank connects rocking bar (1-1) or rocking bar (1-2), is not connected with another root shedding axle by the rocking bar of above-mentioned connection among described rocking bar (1-1), (1-2); Transition connecting rod (1-3), (1-4) and fixing rocking bar (1-5) are arranged between rocking bar (1-1) and the rocking bar (1-2), rocking bar (1-1) diaxon length (L1) in the heart equates with rocking bar (1-2) diaxon length (L2) in the heart, fixedly rocking bar (1-5) two hinged axle center and its fixed axis in the heart separately length (L3), (L4) equate that two hinged the axle center respectively and fixedly angle between the line in axle center are arbitrary value between 45 °-135 °.

The clutch end of above-mentioned motive power input crank connects shedding axle down.

Above-mentioned motive power input crank is furnished with connecting rod and rocking bar, and the rocking bar part in connecting rod and rocking bar connection place can have the removable and fixing slit opening of front end of a connecting rod within it, and the pin that the connecting rod front end can be moved forward and backward and fixes is arranged at the slit opening place.

Above-mentioned power transmission mechanism can be positioned at the left side or the right side of water jet looms body.

Said fixing rocking bar (1-5) two hinged axle center and its fixed axis two line angles in the heart are 90 °.

The utility model is to the transmission employing one cover crank connecting rod and the transmission pole realization again of two shedding axles up and down, just wherein the driving of a shedding axle is directly realized by this cover crank, the driving of another root shedding axle provides power source to pass through to transmit rod member by last shedding axle again and realizes, each overlaps the crank direct drive mode by one than two shedding axles of prior art, reduced the gear tricks, moreover the driving of another root shedding axle of the utility model realizes by the very few several rigid bars that transmit rod member again, have than the long life, therefore, the utility model can keep opening clear, adjust also more convenient (only need to adjust the associated components of a cover crank, transmit rod member again and generally need not adjust).Motive power input crank drives down, and the shedding axle can make topology layout simple and clear, the connecting rod of being furnished with at crank and the rocking bar part of rocking bar connection place, removable and the fixing within it slit opening and the pin that the connecting rod front end can be moved forward and backward and fixes of front end of connecting rod arranged, be convenient to as required crank gearing arm of force length be done suitable the adjustment.Power transmission mechanism is positioned at the left side or the right side of body, makes first simple in structurely to understand, second makes to adjust and safeguard more convenient.

(4), description of drawings

Fig. 1 is the utility model relative section structural representation.

Fig. 2 be the A of Fig. 1 to view, show and transmit member structure again.

(5), the specific embodiment

The utility model plain weave shedding motion, comprise power transmission mechanism, two shedding axles 2,3 up and down, two shedding axles of power drive 2,3 pump respectively simultaneously round about, power transmission mechanism has motive power input crank 4 and transmits rod member 1 again, the utility model plain weave shedding motion except that transmit again rod member and with transmit the rod member relative section again, other parts all can be same as the prior art or similar, and the clutch end of motive power input crank 4 connects goes up shedding axle 2 or following shedding axle 3; Be that example describes transmitting rod member 1 structure and function mode again with shedding axle 3 situations under the clutch end connection of crank 4 below, following shedding axle 3 drives upward shedding axle 2 by transmitting rod member 1 again, an end (left end or right-hand member) that promptly descends shedding axle 3 to be positioned on the loom side connects the rocking bar 1-1 that transmits rod member 1 again, also can connect rocking bar 1-2, rocking bar 1-2 or the rocking bar 1-1 that is connected by above-mentioned shedding axle down 3 do not connect with last shedding axle 2, transition connecting rod 1-3 is arranged between rocking bar 1-1 and the rocking bar 1-2,1-4 and fixing rocking bar 1-5, fixedly rocking bar 1-5 can be fork-shaped shown in the figure or alternate manner, rocking bar 1-1 diaxon be C in the heart with D between length (L1) and rocking bar (1-2) diaxon be A in the heart with B between length L 2 equate, fixing rocking bar 1-5 two hinged axle center E, F and its be separately length L 3 between the G of axle center fixedly, L4 equates, fixing rocking bar 1-5 two axle center E, F and its fixedly between the G of axle center two line angles can be any value between 45 °-135 °, be good wherein with nearly 90 °, 90 ° is best, when shedding axle 3 upwards moves under crank 4 drives, following shedding axle 3 drive rocker 1-1 swing left, driving fixedly by transition connecting rod 1-4, rocking bar 1-5 swings left, move downwards by shedding axle 2 in the transition connecting rod 1-3 drive rocking bar 1-2 driving again, when shedding axle 3 runs to the summit instantly, last shedding axle 2 runs to end point, instantly shedding axle 3 moves downwards and reaches when point end, rocking bar 1-1 swings to the right, by each rod member and above-mentioned opposite action, last shedding axle 2 upwards moves and reaches the summit, finish a course of work, the swaying direction of each rocking bar is not necessary with aforementioned, when for example descending shedding axle 3 upwards to move, can set drive rocker 1-1 and swing to the right etc.; The situation of following shedding axle drive rocker 1-2, roughly similar to aforementioned drive rocker 1-1 manner of execution, the back is done and following shedding axle 3 rightabout operations simultaneously by shedding axle 2 in the rocking bar 1-1 driving; Certainly motive power input crank 4 also can directly drive shedding axle 2, is done simultaneously and the opposite action of last shedding axle 2 traffic directions by transmitting the following shedding axle 3 of rod member 1 driving again by last shedding axle 2.Several groups of correlation lengths of aforementioned setting equate and relevant angle is 90 °, are in order to realize that rocking bar 1-1 has the identical amplitude of oscillation with rocking bar 1-2.Above-mentioned crank 4 is furnished with connecting rod 5 and rocking bar 6, rocking bar part in connecting rod 5 and rocking bar 6 connection places, slit opening 6-1 is arranged, and the front end of connecting rod 5 can move in slit opening 6-1 and be fixing, and this moves and fixedly is to realize by the pin 7 of release and fixing (fastening) connecting rod 5 front ends.The motive power of above-mentioned power transmission mechanism is imported crank and is transmitted left side or the right side that rod member can be positioned at the water jet looms body again; Also can lay respectively at left side and right side.

Claims (9)

1, a kind of plain weave shedding motion that is used for water jet looms, comprise power transmission mechanism, two shedding axles up and down, power transmission mechanism has motive power input crank, it is characterized in that: power transmission machine transmits rod member in addition again, the clutch end of motive power input crank connects one of two shedding axles, transmits rod member again and is arranged between the two shedding axles; The described rod member that transmits again has rocking bar (1-1) and rocking bar (1-2), the shedding axle that power intake described and motive power input crank joins connects rocking bar (1-1) or rocking bar (1-2), is not connected with another root shedding axle by the rocking bar of above-mentioned connection among described rocking bar (1-1), (1-2); Transition connecting rod (1-3), (1-4) and fixing rocking bar (1-5) are arranged between rocking bar (1-1) and the rocking bar (1-2), and rocking bar (1-1) diaxon length (L1) in the heart equates with rocking bar (1-2) diaxon length (L2) in the heart; Fixedly rocking bar (1-5) two hinged axle center with its fixedly between the axle center separately length (L3), (L4) equate that two hinged the axle center respectively and fixedly angle between the line in axle center are arbitrary value between 45 °-135 °.

2, plain weave shedding motion according to claim 1 is characterized in that: the clutch end of described motive power input crank connects shedding axle down.

3, plain weave shedding motion according to claim 1 and 2, it is characterized in that: described motive power input crank is furnished with connecting rod and rocking bar, rocking bar part in connecting rod and rocking bar connection place, removable and the fixing within it slit opening of one connecting rod front end is arranged, the pin that the connecting rod front end is moved forward and backward and fixes is arranged at the slit opening place.

4, claim 1 or 2 described plain weave shedding motions, it is characterized in that: described power transmission mechanism is positioned at the left side or the right side of water jet looms body.

5, according to the described plain weave shedding motion of claim 3, it is characterized in that: described power transmission mechanism is positioned at the left side or the right side of water jet looms body.

6, according to claim 1 or 2 described plain weave shedding motions, it is characterized in that: described fixedly rocking bar (1-5) two hinged axle center and its fixed axis two line angles in the heart are 90 °.

7, plain weave shedding motion according to claim 3 is characterized in that: described fixedly rocking bar (1-5) two hinged axle center and its fixed axis two line angles in the heart are 90 °.

8, plain weave shedding motion according to claim 4 is characterized in that: described fixedly rocking bar (1-5) two hinged axle center and its fixed axis two line angles in the heart are 90 °.

9, according to the described plain weave shedding motion of claim 5, it is characterized in that: described fixedly rocking bar (1-5) two hinged axle center and its fixed axis two line angles in the heart are 90 °.