A kind of plastic grid cloth braiding machine
Technical field
The present invention relates to a kind of water jet looms, plastic grid cloth braiding machine especially wherein.
Background technology
In the prior art, plastic grid cloth mainly is to select plastic flat fiber to weave to form.Because the particularity of plastic flat fiber mostly selects fly-shuttle loom as the gauze fabric manufacture equipment.Such grid cloth fabric manufacture equipment, its shedding mechanism is provided with heald at heald frame, warp thread passes the pinhole of heald, under the drive of heald frame, heald moves up and down and is formed shed open, shuttle spare carries weft yarn and enters shed open, is then beaten up by beating-up mechanism, namely takes the weaving method of fabrics in general to weave grid cloth.This weaving mode can not make warp thread twine in warp thread forms the process of shed open, can not realize that therefore twisted weaves, and then make low, the intensity difference of grid cloth fabric quality.In addition, above-mentioned have a shuttle filling insertion way, makes grid cloth weave that production efficiency is low, cost is high.
Also has a kind of newer grid cloth fabric manufacture equipment, comprise shedding mechanism, water jet weft insertion device, warp-feeding mechanism, spooler and transmission mechanism, described shedding mechanism comprises front-seat brown frame and rear row palm fibre frame, front-seat brown frame is provided with fixing brown reed, but rear row palm fibre frame is provided with the brown reed of movement of move left and right; Be fixed with brown reed on the front-seat brown frame, be fixed with slide block on the upper ledge of rear row palm fibre frame and the lower frame, be provided with in the slide block and can along the frame of slide block move left and right, be provided with brown reed on the frame; Two warp thread are through in the pinhole of upper and lower half dent, and two corresponding brown reeds lead in the middle of the tooth before and after being through, when the brown frame of forward and backward row moves up and down, brown reed on the brown frame of rear row is made move left and right, facilitates each corresponding two consecutive warp (corresponding two warp thread) that are through on upper and lower half dent to carry out twisted (knitting).Above-mentioned shedding mechanism is furnished with power set, power set comprise the Timing Belt that is connected with loom main shaft, Timing Belt and slider-crank mechanism link, slider-crank mechanism drives linear cam and moves up and down, linear cam contacts with the arcuate structure of frame, and linear cam moves up and down the promotion frame and moves.Be connected with back-moving spring at the brown frame of rear row and frame, after slider-crank mechanism was released frame, back-moving spring relied on the pulling force of himself with the frame return, in order to repeat next move left and right.
Although above-mentioned grid cloth fabric manufacture equipment can be weaved grid cloth in the mode of twisted, production efficiency also has by a relatively large margin raising than traditional approach, but it has been taked when the brown frame of forward and backward row moves up and down, and the brown reed on the rear row palm fibre frame is made the method for operation of move left and right.The problem that this method of operation is brought is mainly manifested in: because what weave that grid cloth uses is plastic flat fiber, and silk is wide also larger, be different from circle silk, filament, in the process of carrying out the high speed twisted, very easily produce between the adjacent flat filament and twine, pull, even cause flat filament warp thread broken yarn, weaving of grid cloth brought harmful effect.
This shows that above-mentioned grid cloth fabric manufacture equipment awaits further to improve.
Summary of the invention
Task of the present invention is to solve the technological deficiency that plastic grid cloth fabric manufacture equipment exists in the prior art, and a kind of plastic grid cloth braiding machine is provided.
Its technical solution is:
A kind of plastic grid cloth braiding machine comprises shedding mechanism, water jet weft insertion device, warp-feeding mechanism, spooler and transmission mechanism, and above-mentioned shedding mechanism comprises the front-seat brown frame that can only pump and rear row's monofilament seat that can only traverse motion; Be provided with some healds one at front-seat heald frame, heald one is cylindrical cantilevered heald, and its free end is flat-shaped head, is provided with harness eye at flat-shaped head, and the harness eye end of heald one down; Be provided with some healds two at rear row's heald seat, heald two is cylindrical cantilevered heald, and its free end is flat-shaped head, is provided with harness eye at flat-shaped head, and the harness eye end of heald two up; Above-mentioned front-seat heald frame disposes the heald frame driving mechanism, and rear row's heald seat disposes heald seat driving mechanism.
Above-mentioned heald seat driving mechanism comprises: sliding seat, slide rail, connecting rod one, connecting rod two, oscillating bearing one, oscillating bearing two, oscillating bearing three, oscillating bearing four, swing arm one, swing arm two, transition axis, conjugate cam and loom main shaft; Rear row's heald seat is fixed on the sliding seat, sliding seat is installed on the slide rail, the two ends of connecting rod one connect respectively oscillating bearing one and oscillating bearing two, oscillating bearing one is connected with sliding seat, oscillating bearing two is connected with swing arm one, the two ends of connecting rod two connect respectively oscillating bearing three and oscillating bearing four, oscillating bearing three is connected with swing arm one, oscillating bearing four is connected with transition axis, transition axis is connected in the swing arm two, be provided with roller one and roller two in the swing arm two, roller one and roller two are pressed on the outline of conjugate cam, and conjugate cam is fixed on the loom main shaft.
The harness eye end that above-mentioned front-seat heald frame drives heald one begins when upwards running to the harness eye end that leaves heald two, run to the top station, run down to the harness eye end of heald one and the harness eye of heald two supports flat from the top station again to heald one, during this period of time, rear row's heald seat drives heald two transverse shiftings and reaches No. two station and stopping actions from a station and wait for; Then heald one continue operation downwards until below station, the harness eye of harness eye end and heald two that upwards runs to heald one from below station again support flatly, row's heald seat drives the horizontal travelling backwards of heald two beginnings and gets back to a station and stopping from No. two stations and move and wait for after this moment; So far finish the warp thread twisted one time.
The present invention has following useful technique effect:
The present invention is in the process of carrying out the high speed twisted, because front-seat heald frame only pumps, then the comprehensive seat of row only moves as transverse reciprocating, by Collaborative Control such as the intermittences of moving, make and can not produce winding between the adjacent flat filament warp thread, pull, be conducive to each flat filament warp thread and keep normality to enter fell, weave preferably plastic grid cloth of quality.
Description of drawings
Below in conjunction with accompanying drawing and the specific embodiment the present invention is illustrated further:
Figure is the structural principle schematic diagram of one embodiment of the present invention, only shows the part of its shedding mechanism.
The specific embodiment
Plastic grid cloth braiding machine of the present invention, the parts such as its shedding mechanism, water jet weft insertion device, warp-feeding mechanism, spooler and other auxiliary bodies, except following technology contents, all can adopt or use for reference in the prior art that water spray is weaved and the water jet looms technology in relevant portion.Below in conjunction with the most relevant prior art feature, and stress the technical characterictic that the present invention contributes to prior art:
By reference to the accompanying drawings, above-mentioned shedding mechanism comprises the front-seat brown frame 1 that can only pump and rear row's monofilament seat 4 that can only traverse motion.Be provided with some healds 1 at front-seat heald frame, heald one is cylindrical cantilevered heald, and its free end is flat-shaped head, is provided with harness eye at flat-shaped head, and the harness eye end of heald one down.Be provided with some healds 23 at rear row's heald seat, heald two is cylindrical cantilevered heald, and its free end is flat-shaped head, is provided with harness eye at flat-shaped head, and the harness eye end of heald two up.Above-mentioned front-seat heald frame disposes the heald frame driving mechanism, and this driving mechanism adopts prior art to implement to get final product; Rear row's heald seat disposes heald seat driving mechanism.
Above-mentioned heald seat driving mechanism comprises: sliding seat 5, slide rail 6, connecting rod 1, connecting rod 2 12, oscillating bearing 1, oscillating bearing 29, oscillating bearing 3 11, oscillating bearing 4 13, swing arm 1, swing arm 2 15, transition axis 14, conjugate cam 17 and loom main shaft 19.Rear row's heald seat is fixed on the sliding seat, sliding seat is installed on the slide rail, the two ends of connecting rod one connect respectively oscillating bearing one and oscillating bearing two, oscillating bearing one is connected with sliding seat, oscillating bearing two is connected with swing arm one, the two ends of connecting rod two connect respectively oscillating bearing three and oscillating bearing four, oscillating bearing three is connected with swing arm one, oscillating bearing four is connected with transition axis, transition axis is connected in the swing arm two, be provided with roller 1 and roller 2 18 in the swing arm two, roller one and roller two are pressed on the outline of conjugate cam, and conjugate cam is fixed on the loom main shaft.
During the loom running, conjugate cam rotates with loom main shaft, drive swing arm two upper and lower swings by rotor one, two, swing arm two drives swing arm one by transition axis, oscillating bearing four, connecting rod two and oscillating bearing three and swings, swing arm one drives sliding seat by oscillating bearing two, connecting rod one and oscillating bearing one and moves as transverse reciprocating at slide rail, thereby drives heald two corresponding traverse motions by rear row's heald seat.
Among the present invention, the flat filament warp thread passes respectively heald one, two harness eye, and heald one is done upper and lower reciprocating motion with front-seat heald frame, and heald two is arranged subsequently the heald seat and made traverse motion.When the harness eye end that drives heald one from front-seat heald frame upwards runs to the harness eye end that leaves heald two, run to the top station, run down to the harness eye end of heald one and the harness eye of heald two supports flat from the top station again to heald one, during this period of time, rear row's heald seat drives heald two transverse shiftings and reaches No. two station and stopping actions from a station and wait for; Then heald one continue operation downwards until below station, the harness eye of harness eye end and heald two that upwards runs to heald one from below station again support flatly, row's heald seat drives the horizontal travelling backwards of heald two beginnings and gets back to a station and stopping from No. two stations and move and wait for after this moment; So far finish the warp thread twisted one time.
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this specification, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within protection scope of the present invention.