WO2014047751A1

WO2014047751A1 - Weft laying device of warp knitting machine

Info

Publication number: WO2014047751A1
Application number: PCT/CN2012/001465
Authority: WO
Inventors: 王占洪; 黄欢; 肖叶; 朱晓宏
Original assignee: 常州市润源经编机械有限公司
Priority date: 2012-09-29
Filing date: 2012-10-29
Publication date: 2014-04-03
Also published as: CN102828343A; CN102828343B

Abstract

A weft laying device of a warp knitting machine. The warp knitting machine comprises a chain transmission mechanism (1) used for weft insertion and a first linear guide pair installed on two beam guide rails (2). The chain transmission mechanism (1) comprises a plurality of chain transmission components (3), the chain transmission components (3) being connected to form front row chain transmission mechanisms (1-1) and rear row chain transmission mechanisms (1-2) that are separately arranged on inner sides of the two beam guide rails (2) in parallel. The weft laying device comprises a weft delivery mechanism, a weft picking mechanism and a weft cutting mechanism. The weft delivery mechanism clamps wefts (7) delivered by a weft shelf and transfers the wefts to an upper portion of the chain transmission components (3) of the rear row chain transmission mechanisms (1-2). The weft picking mechanism clamps wefts (7) located on an upper portion of the chain transmission components (3) of the front row chain transmission mechanisms (1-1) and wefts (7) located on the upper portion of the chain transmission components (3) of the rear row chain transmission mechanisms (1-2). The weft cutting mechanism cuts off the wefts (7) located on the upper portion of the chain transmission components (3) of the front row chain transmission mechanisms (1-1). The weft laying device of the warp knitting machine can greatly save raw materials and reduce production cost, and is applicable to warp knitting machines using carbon fiber as a raw material.

Description

Weft insertion device of warp knitting machine

The present invention relates to a weaving mechanism for a warp knitting machine, and more particularly to a weft insertion device in a warp knitting machine weaving mechanism.

Background technique

The existing warp knitting machine weft insertion device, such as the Chinese utility model patent ZL200820185338.9, is a structure disclosed in the publication specification of the warp knitting machine weft insertion mechanism, which comprises a weft picking trolley, a trolley traverse and a vertical shifting mechanism. ; ', the vehicle traverse mechanism is composed of a first linear guide rail and a traverse drive device composed of a first slider and a first linear guide rail, and the first linear guide rail is fixedly mounted on a beam guide of the warp knitting machine The first slider is slidably mounted on the first linear guide rail, and the first slider is driven to reciprocate on the first linear guide by the traverse driving device; the longitudinal movement of the trolley is driven by the longitudinal movement The device and the guide seat are formed by a connecting rod and a needle plate disposed between the longitudinal driving device and the guiding seat. In operation, the weft picking trolley, the trolley traverse and the vertical shifting mechanism circulate the weft yarn along the length direction of the beam guide of the warp knitting machine on the weft needle block in the weft chain drive mechanism to fix and lay the weft yarn. The weft insertion device of the structure has the defects of serious waste of raw materials, especially because the weft knitting cart, the trolley traverse and the vertical shifting mechanism circulate the weft yarn back and forth on the weft needle block to fix and lay the weft yarn, especially When the weft material is expensive carbon fiber, it not only causes a substantial increase in production costs, but iUiit is a waste of raw materials.

Summary of the invention

The technical problem to be solved by the present invention is to provide a weft insertion device for a warp knitting machine which can effectively avoid raw material waste, greatly save raw materials and reduce production cost.

In order to solve the above technical problems, the present invention employs a weft knitting device of a warp knitting machine, the warp knitting machine including a chain transmission mechanism for weft insertion and a second mounting on a two-yellow beam guide rail of a warp knitting machine a linear guide pair; the chain drive comprises a plurality of chain transmission members arranged side by side, the side-by-side arrangement of the chain transmission members being connected to each other to form two rows of front chain transmissions respectively disposed on the inner side of the yellow beam guide Mechanism and rear chain drive mechanism, each chain transmission member is mainly composed of a crepe needle block, a pusher, a spring, a chain having a vertical inner side plate, and a vertical outer side U a horizontal bottom plate U-shaped chain cover plate The weft needle block is fixed to the outer side of the vertical inner side plate, and the pusher is slidably installed between the vertical inner side plate and the vertical outer side plate, and the two ends of the spring are respectively The pusher, the vertical outer plate abuts, the bottom plate of the U-shaped chain cover is connected with the chain; the first linear guide pair is fixed by the first linear guide and sliding on the rail Installed on the first straight line a first slider on the rail, the first slider being first Driving device driving reciprocatingly on the first linear guide rail, the weft insertion device comprising a weft yarn transmitting mechanism, a yarn take-up mechanism and a weft yarn cutting mechanism;

The weft transmission mechanism, which clamps the weft yarn sent from the weft creel of the warp knitting machine, and transmits it to the chain transmission member of the rear chain transmission mechanism via the front chain transmission mechanism, and the weft transmission mechanism is installed in the warp knitting Between the two yellow rails of the machine;

The yarn take-up mechanism for gripping the weft yarn above the chain drive member of the front chain drive mechanism and the weft yarn above the chain drive member of the rear chain drive mechanism, and the yarn take-up mechanism will also position the chain drive member Between the pusher of the medium and the inner side of the vertical inner side of the u-shaped chain cover, and the end of the weft yarn that will be cut over the chain drive member of the front chain drive mechanism and cut by the weft thread cutting mechanism, the front chain is pressed into the front chain Between the pusher in the chain drive member of the transmission mechanism and the inner side of the vertical inner side of the U-shaped chain cover plate, the take-up yarn is respectively hooked to the first slide in the first linear guide pair On the block;

The weft thread cutting mechanism cuts the weft yarn above the chain drive member of the front chain drive mechanism, and the twist yarn cutting mechanism is mounted on the beam guide rail on the side of the front chain drive mechanism.

In a preferred embodiment of the present invention, the weft transmission mechanism includes a second linear guide pair and a weft gripper, and the second linear guide pair is slidably engaged with the second linear guide and the second linear guide. a second slider structure, the second linear guide rail is vertically installed between the cross beam guides of the warp knitting machine, and the second slider is driven by the second driving device to reciprocate on the second linear guide rail; The weft yarn gripper includes an upper weft yarn holding plate, a lower weft yarn clamping plate and a third driving device, the yarn yarn holder is mounted on the second slider, and the upper and lower weft yarn clamping plates are The third driving device drives the weft yarn sent from the weft creel of the warp knitting machine between the upper weft holding plate and the lower weft holding plate.

As a modification of the present invention, the second driving device is composed of a motor and a synchronous wheel and a timing belt transmission mechanism, and the second slider is mounted on the timing belt; the third driving device is composed of a pneumatic claw The air gripper is fixedly connected to the second slider, and the air gripper has two pneumatic input elements arranged in parallel in a vertical direction and input and output air ports of compressed air, and the upper weft yarn clamping plate and the lower air The weft holding plates are respectively mounted on the pneumatic component, and the input and output ports are connected to the air source system of the warp knitting machine through a pipeline.

As a preferred embodiment of the present invention, a linear motion mechanism is further vertically mounted on the first slider, and the linear motion mechanism has a moving load platform movable up and down in a vertical direction; The take-up hook comprises a weft grip «1 for gripping the weft yarn, and a weft yarn ^ for embedding the gripped weft yarn in the weft needle block, and pressing the weft end portion of the weft needle block into the push yarn And the weft yarn between the inner side of the vertical inner side of the U-shaped chain cover; the yarn hook is connected to the mobile load platform and can be driven by the mobile load platform in the vertical direction Make up and down movements.

As a preferred example of the present invention, the weft gripper/U hook includes a first gas rainbow, an anti-and a weft yarn holding plate for holding the weft yarn, and a weft yarn lower holding plate; The lower and lower weft holding plates are fixedly mounted on the mounting plate, and the end of the piston rod of the first cylinder is fixedly connected with the clamping plate on the weft yarn, and the first cylinder passes through the pipeline and the warp knitting machine. The air source is connected, and the anti-reverse is fixedly connected to the mobile load platform.

The weft insertion mechanism includes a second cylinder and a vertical plate having a groove on the bottom surface thereof; the second cylinder is fixedly mounted on the mounting plate, and a piston rod end of the second cylinder is fixed to the vertical plate end Connected, the depth and width of the groove are adapted to the pins on the weft needle block, and the second cylinder is connected to the air source system of the warp knitting machine through a pipe.

The weft press-in/U-hook includes a third cylinder and a vertically disposed plate-shaped member; the third cylinder is fixedly mounted on the mounting plate, and the third gas-red piston rod end is The upper end of the plate member is fixedly connected, and the third cylinder is connected to the air source system of the warp knitting machine through a pipeline.

The upper and lower weft holding plates, the plate-like members and the vertical plates are arranged in order from the outer to the inner side in the longitudinal direction of the warp knitting machine; the linear motion mechanism is a rodless cylinder, and the rodless cylinder passes through the pipeline and the warp knitting machine The source system is connected.

As a preferred embodiment of the present invention, the weft yarn cutting mechanism includes upper and lower blades for cutting the weft yarns arranged up and down, the cutting edge further comprising the vertical direction of the upper blade along the warp knitting machine An upper blade reciprocating mechanism for reciprocating up and down, and a lower blade reciprocating traverse mechanism for reciprocating and traversing the lower blade along a longitudinal direction of the beam guide of the warp knitting machine, and a weft creel on the warp knitting machine The fed weft yarn holds a clamping mechanism between the upper blade and the lower blade.

As a preferred example of the present invention, the upper blade reciprocating motion «J includes a fourth gas rainbow, a fourth cylinder mount, an upper blade mount, a beam, a support column, and a mounting bottom plate; the fourth cylinder, the first The four gas rainbow mounts, the beam, the support column and the mounting bottom plate are fixedly connected from top to bottom in sequence, the upper blade is vertically fixedly mounted on the upper blade mount, and the fourth gas red piston rod end is The fixed bottom plate is fixedly connected to the upper blade mounting seat, and the mounting bottom plate is fixedly connected to the beam guide rail of the warp knitting machine, and the fourth gas rainbow passing pipe is connected with the air source of the warp knitting machine.

The lower blade reciprocating movement mechanism includes a fifth gas rainbow, a fifth gas rainbow mount, a traverse plate, a lower blade mount, a linear guide motion pair, and a mounting bottom plate; the fifth gas rainbow fixedly mounted on the a fifth cylinder mounting seat, the fifth cylinder mounting seat is fixedly connected to the mounting bottom plate, and the traverse plate is composed of a first traverse plate and a second traverse plate which are perpendicularly disposed to each other, the first horizontal The lower end of the shifting plate is fixedly connected to the end of the piston rod of the fifth cylinder, the upper end of the first traverse plate is fixedly connected with one end of the first yellow shifting plate, and the other end of the second traverse plate is The lower end of the lower blade mount is fixedly connected, and the lower blade is rotatably mounted on the upper end of the lower blade mount, the straight The line guide moving pair is composed of a slider and a linear guide parallel to the beam guide of the warp knitting machine, the slider is fixedly connected with a lower end of the lower blade mounting seat, and the linear guide rail is fixedly mounted on the On the fifth cylinder mount, the fifth cylinder is connected to the air source system of the warp knitting machine through a pipeline.

The clamping mechanism for clamping the weft yarn sent from the weft creel of the warp knitting machine between the upper blade and the lower blade comprises a sixth gas rainbow, a sixth gas rainbow mount, a beam, a support column, a mounting bottom plate, and An upper holder and a lower holder for holding the weft yarn; the sixth gas rainbow, the sixth gas rainbow mount, the beam, the support column, and the mounting bottom plate are sequentially fixedly connected together, the sixth gas rainbow The end of the piston rod is fixedly connected to the upper holder, the lower holder is fixedly connected to the mounting base plate, the mounting bottom plate is fixedly connected with the beam guide rail of the warp knitting machine, and the sixth gas red passing pipe The road is connected to the air source system of the warp knitting machine.

As a preferred embodiment of the present invention, the pusher is a u-shaped plate having a groove, and the weft insertion device further comprises a chain opening hook, the chain opening and the α hook include a seventh gas rainbow, opening And a seventh gas cylinder mount, wherein the seventh gas cylinder is mounted on the seventh cylinder mount, and the piston rod end of the seventh cylinder is fixedly connected to one end of the open chain plate, the opening The other end of the link plate is placed in the recess of the pusher, and the seventh cylinder mount is fixedly coupled to the first slider.

After adopting the above structure, the present invention has the following beneficial effects:

Since the weft insertion device of the present invention includes a weft yarn transmitting mechanism, a yarn take-up mechanism, and a weft yarn cutting mechanism; therefore, at the time of wefting, the weft yarn transfer mechanism, preferably the upper weft yarn holding plate, the lower weft yarn holding plate, and the third driving device The weft gripper is configured to perform the transfer of the crepe, and during operation, the end of the weft yarn fed from the warp knitting machine creel can be clamped by the upper and lower weft gripping plates, Then, through the longitudinal linear motion of the second slider on the second linear guide rail, the weft yarn is transmitted over the front chain drive transmission to the chain transmission member of the rear chain transmission; by the yarn taking mechanism, the ^^ is preferably used The weft yarn clamping of the weft yarn is held «1, the weft insertion mechanism in the weft yarn weft needle block is clamped, and the yarn end portion embedded in the weft needle block is pressed between the pusher and the inner side of the vertical inner panel. The weft yarn is pressed into the «j composition, and the yarn take-up ι^ is respectively disposed on the first slider of the first linear guide pair, and during operation, the clamping plate and the crepe under the first cylinder and the weft are clamped The board will be in the front chain The weft yarn above the chain transmission member of the transmission mechanism and the weft yarn above the chain transmission member of the rear chain transmission mechanism are clamped by the weft yarn cutting mechanism, preferably the upper blade reciprocating mechanism and the lower blade reciprocating movement mechanism And clamping the weft yarn sent by the warp knitting machine creel between the upper blade and the lower blade; forming, in operation, the weft creel of the warp knitting machine can be put by the clamping mechanism The weft yarn in the unfolded state is clamped, and the downward movement of the upper blade is opposite to the weft yarn of the clamp, and the lower blade is fed along the length of the beam guide of the warp knitting machine, and is sent from the weft creel of the warp knitting machine. The weft yarn in the unfolded state is cut into a weft yarn segment which is over the chain transmission members of the front and rear chain drive mechanisms, and the ends of the weft yarn segment are divided The lower weft holding plate is clamped, and the weft insertion mechanism in the yarn taking mechanism is preferably inserted into the chain drive of the front and rear chain drive mechanisms through the second cylinder and the vertical plate with the groove on the bottom surface. In the weft needle block in the component, the weft yarn in the hook is pressed into the hook, and the end portion of the weft yarn segment in the weft needle block is preferably pressed into the front by the third cylinder and the vertically arranged plate-shaped member. The rear chain drive transmits between the pusher and the inner side of the vertical inner side of the chain drive member, thereby laying the weft yarn between the two beam guides of the warp knitting machine. Therefore, the present invention avoids the prior art. The weft yarn is wound back and forth around the defects of the weft needle block in the chain transmission members of the front and rear chain drive mechanisms, which greatly saves raw materials, reduces production costs, and avoids waste of raw materials.

Since the present invention is provided with a chain opening mechanism, the product 4 hook is mainly composed of a pneumatic raft and an opening, and the mechanism is respectively mounted on the first slider of the first linear guide pair, and can be passed through the cylinder during operation. Driving the open chain plate to move the open link plate outward along the longitudinal direction of the warp knitting machine, and pushing the pusher compression spring while moving outward when the open link plate moves outward, so that the pusher is disengaged from the vertical inner side plate a tight state, and a cavity is formed between the pusher and the vertical inner side plate, so that the yarn is taken; the end portion of the weft yarn segment in the weft needle block of the plate member is inserted from the cavity, and then the cylinder is driven Open the 纵向吏沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿沿The clamping state is such that the two ends of the weft yarn segment are respectively clamped between the pusher of the chain drive member of the front and rear chain drive mechanisms and the inner side of the vertical inner side plate. Therefore, after adopting the Ol-like structure, Can make the work of taking the yarn more reliable, thus Ensure that the weft insertion device works better.

DRAWINGS

The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

1 is a schematic structural view of a weft knitting device of a warp knitting machine of the present invention.

Fig. 2 is a schematic view showing the structure of the upper and lower weft yarn holding plates of the weft conveying mechanism of the present invention in an open state.

Fig. 3 is a schematic view showing the structure of the upper and lower twisting yarn holding plates of the weft yarn transmitting mechanism of the present invention when the weft yarn is held in a closed state.

Figure 4 is a schematic view showing the structure of the weft yarn gripper of the present invention.

Fig. 5 is a schematic view showing the structure of the first stage of the yarn taking in the present invention.

Figure 6 is a schematic view showing the structure of the weft holding mechanism of the present invention.

Fig. 7 is a schematic view showing a connection structure of a weft holding plate, a weft lower holding plate and a first cylinder in the weft holding mechanism of the present invention.

Figure 8 is a schematic view showing the structure of the weft insertion mechanism of the present invention.

Figure 9 is a schematic view showing the structure of the weft insertion mechanism of the present invention.

Figure 10 is a schematic view showing the structure of the yarn take-up mechanism of the present invention. Figure 11 is a schematic view showing the structure of the weft thread cutting mechanism of the present invention.

Figure 12 is a schematic view showing the structure of the upper and lower reciprocating mechanism of the upper blade in the present invention.

Figure 13 is a side elevational view showing the upper blade reciprocating motion in the present invention.

Figure 14 is a schematic view showing the structure of the lower blade reciprocating traverse movement in the present invention;

Figure 15 is a schematic view showing the structure of the clamping mechanism of the present invention.

Figure 16 is a front elevational view of the clamping mechanism of the present invention.

Figure 17 is a schematic view showing the structure of the upper holder of the present invention.

Figure 18 is a schematic view showing the structure of the lower gripper of the present invention.

Figure 19 is a schematic view showing the structure of the chain opening assembly of the present invention mounted on the first slider. Figure 20 is a schematic view showing the structure of the chain opening mechanism of the present invention.

Figure 21 is a schematic view showing the structure of the chain transmission member in the closed state of the present invention.

Figure 22 is a schematic view showing the structure of the chain transmission member in the open state of the present invention.

Figure 23 is a schematic view showing the structure of the invention in the reverse direction.

detailed description

Referring to the weft insertion device of a warp knitting machine shown in Figs. 1 to 23, the warp knitting machine includes a chain drive for weft insertion and a first straight line on the yellow beam guide 2 of the warp knitting machine. The chain transmission mechanism 1 includes a plurality of chain transmission members 3 arranged side by side, and the chain transmission members 3 arranged in parallel are connected to each other to form two rows of front chain transmission mechanisms respectively disposed in parallel inside the yellow beam guide 2 1 - 1 and rear chain transmission mechanism 1-2, each chain transmission member 3 is mainly composed of weft needle block 3-1, pusher 3-2, spring 3-3, chain 3-4 and has a vertical inner side The plate 3 - 5 - 1, a vertical outer plate 3-5-2 and a horizontal bottom plate 3 - 5 - 3 U-shaped chain cover 3 - 5, the crepe needle block 3 - 1 fixedly mounted in the vertical The outer side of the straight inner side plate 3-5-1, the pusher 3-2 is slidably mounted between the vertical inner side plate 3-5-1 and the vertical outer side plate 3-5-2, the spring The two ends of 3-3 are respectively abutted with the pusher 3-2 and the vertical outer plate 3 - 5 - 2, and the bottom plate 3-5-3 of the U-shaped chain cover 3 - 5 passes through the angle iron plate 43 Connected to the chain 3-4, in the hair 21, 22, the pusher 3-2 of the present invention is preferably a U-shaped steel plate, and a spacer 44 is preferably disposed under the pusher 3-2, the spacer 44 and the bottom plate 3 -5 - 3 fixed connection, the pusher 3-2 can be opened through the upper slot 3^4, and the circular pin is screwed into the round pin to form a sliding connection with the block 44, which is not shown; the first linear guide The first linear guide 4 fixedly mounted on each of the beam guides 2 and the first slider 5 slidably mounted on the first linear guide 4, the first slider 5 being first The driving device 6 drives the reciprocating traverse on the first linear guide 4, in the present invention, the first driving device 6 preferably uses a motor and a synchronous wheel, a timing belt transmission mechanism 47, and during operation, the motor passes The synchronous wheel and the timing belt drive 47 drive the first slider 5 to reciprocate on the first linear guide 4; the weft insertion device includes a weft transmission mechanism, a yarn take-up mechanism and a weft yarn cutting mechanism; and the weft transmission mechanism The warp knitting machine The weft yarn 7 sent from the yarn creel is clamped and transmitted to the chain transmission member 3 of the rear chain drive transmission hook 1 - 2 via the front chain transmission mechanism 1 - 1, which transmits the yellow of the warp knitting machine Between the beam guides 2; the yarn take-up mechanism, which will be located above the chain drive member 3 of the chain drive member 1 of the front chain drive mechanism 1 and above the chain drive member 3 of the rear chain drive mechanism 1 - 2. The weft yarn 7 is clamped, and the yarn take-up mechanism presses the end of the crepe 7 above the chain drive member 3 of the rear chain drive mechanism 1 - 2 into the chain drive member 3 of the rear chain drive mechanism 1 - 2 The pusher 3 _ 2 is between the inside of the vertical inner side plate 3-5-1 of the U-shaped chain cover 3-5, and will be above the chain drive member 3 of the front chain drive mechanism 1-1 and passing through the weft yarn The end of the weft yarn 7 cut by the cutting mechanism is pressed into the pusher 3-2 of the chain drive member 3 of the front chain drive mechanism 1 - 1 and the vertical inner side plate 3-5-1 of the U-shaped chain cover 3 - 5 Between the inner sides, the take-up 枳 4 hooks are respectively mounted on the first slider 5 in the first linear guide pair; the weft cutting mechanism, This mechanism cuts the weft yarn 7 above the chain transmission member 3 of the front chain transmission mechanism 1-1, and the weft thread cutting mechanism is mounted on the beam guide 2 on the side of the front chain transmission mechanism 1-1.

As a preferred embodiment of the present invention, the weft transmission mechanism includes a second linear guide pair 8 and a weft gripper 9, and the second linear guide pair 8 is composed of a second linear guide 8-1 and the same The two linear guides 8 - 1 are formed by slidingly engaging the second sliders 8 - 2 , and the second linear guides 8 - 1 are vertically connected by the angle iron 45 between the M yellow beam guides 2 of the warp knitting machine, The second slider 8-2 is driven to reciprocate on the second linear guide 8-1 by the second driving device 10; the weft gripper 9 includes an upper weft holding plate 9-1 and a lower weft holding plate 9-2 and a third driving device 11, the weft yarn holder 9 is mounted on the second slider 8-2, the upper and lower weft yarn clamping plates 9-1,

9-2 is driven by the third driving device 11, and the weft yarn 7 fed from the weft creel of the warp knitting machine is clamped between the upper crepe holding plate 9-1 and the lower weft holding plate 9-2. .

As shown in FIG. 2 and FIG. 3, the second driving device 10 is composed of a motor 10-1 and a synchronous wheel and a timing belt transmission mechanism 10-2. The second slider 8-2 is fixedly mounted on the timing belt. , motor

10 - 1 fixed on the angle iron 45, in operation, the motor 10-1 drives the timing belt along the second linear guide 8 - 1 through the synchronous wheel for circular motion, and the second slider is driven by the synchronous belt 8 - 2 is reciprocatingly traversing on the second linear guide 8 - 1; the third driving means 11 is preferably constituted by a commercially available gripper 11 - 1 which passes through the angled iron connecting member 46 Attached to the second slider 8-2, the air gripper 11-1 has two pneumatic actuators arranged in parallel in the vertical direction

11-1-1 and compressed air input and output ports 11 - 1-2, the upper weft holding plate 9-1 and the lower weft holding plate 9-2 are respectively fixedly mounted on the pneumatic actuator 11 - 1 - 1 , the input and output port 11 - 1 - 2 is connected to the air source system of the warp knitting machine through the pipeline 12, and when the air source system of the warp knitting machine supplies compressed air to the air gripper 11 - 1 during operation , the pneumatic actuator 11 - 1 - 1 is opened in the vertical direction, so that the upper and lower weft yarn clamping plates 9 - 1 , 9 - 2 are in an open state, at this time, the upper and lower weft yarn clamping plates 9-1 , 9-2 does not hold the crepe. When the air source system of the warp knitting machine stops When the air gripper 11-1 supplies compressed air, the return spring in the gripper 11-1 closes the pneumatic jaw element 11-1-1 in the vertical direction, thereby causing the upper and lower weft yarn holding plates 9-1, 9 - 2 is in the closed grip state.

As shown in Fig. 4, the present invention has grooves 9 - 1-1, 9 - 2 - 1, respectively, on the bottom surface of the upper weft holding plate 9-1 and the top surface of the lower weft holding plate 9-2. The rubber strips are respectively embedded in the grooves 9-1-1 and 9-2-1, so that when the upper and lower weft yarn holding plates 9-1, 9-2 are superposed and sandwiched the weft yarn 7, the weft yarn 7 is not damaged on the one hand. On the other hand, the clamping force of the weft yarn 7 is also larger, so that the weft yarn is better protected and the weft yarn is prevented from being seen.

In the weft transfer work of the present invention, the upper and lower weft holding plates 9-1, 9-2 are superposed under the control of the gripper 11-1, so that the weft yarn 7 sent from the weft creel of the warp knitting machine is- The end is clamped between the upper weft holding plate 9-1 and the lower weft holding plate 9-2, and then the second slider 8-2 is in the motor 10-1 and the synchronous wheel, the timing belt transmission mechanism 10-2 Driving, the upper and lower weft yarn clamping plates 9-1, 9-2 are traversed on the second linear guide 8.1, so that the weft yarn 7 is transmitted to the rear chain transmission mechanism via the front chain transmission mechanism 1 - 1 1 - 2 above the chain drive member 3.

As a preferred embodiment of the present invention, a linear motion mechanism is further vertically mounted on the first slider 5, and the linear motion mechanism has a moving load platform 13 movable up and down in a vertical direction; The yarn is included; ^ includes a weft gripping mechanism for gripping the weft yarn 7, and a weft yarn mechanism for embedding the gripped weft yarn 7 in the weft needle block 3-1, and the weft needle block 3 to be embedded. The end of the weft yarn in 1 is pressed into the weft yarn between the pusher 3-2 and the inner side of the vertical inner side plate 3-5-1 of the U-shaped chain cover 3-5; The hook is connected to the mobile load platform 13 and can be moved up and down in the vertical direction by the mobile load platform 13.

In the present invention, as a preferred embodiment, as shown in FIGS. 6 and 7, the weft yarn clamping includes a first gas rainbow 14, a mounting plate 15, and a weft holding plate 16 and weft yarn for holding the weft yarn. a lower clamping plate 17; the first gas rainbow 14, the lower yarn clamping plate 17 is fixed on the hinge 15, the end of the piston rod 14-1 of the first cylinder 14 is clamped on the weft yarn The plate 16 is fixedly connected, and the first cylinder 14 is connected to the air source system of the warp knitting machine through a pipeline, and the security roller 15 is fixedly connected to the mobile load platform 13 through the angle iron 48;

As shown in FIG. 8, the weft insertion mechanism includes a second cylinder 18 and a riser 19 having a groove 19-3-1 on its bottom surface; the second cylinder 18 is fixed to the ampoule 15, the second The end of the piston rod 18-1 of the gas rainbow 18 is fixedly connected to the upper end of the riser 19, and the depth and width of the groove 19-3-1 are adapted to the pins on the weft needle block 3-1. The second gas rainbow 18 is connected to the gas source system of the warp knitting machine through a pipeline.

As shown in FIG. 9, the weft press-in mechanism includes a third cylinder 20 and a vertically disposed plate member 21; the third cylinder 20 is fixedly mounted on the mounting plate 15, and the third gas rainbow 20 The end of the piston rod 20-1 is fixedly connected to the upper end of the inverted member 21, and the third cylinder 20 passes through the pipeline. Connected to the air source system of the warp knitting machine.

As shown in Figs. 5 and 10, the weft upper and lower holding plates 16, 17 and the plate member 21 and the vertical plate 19 are arranged in order from the outside to the inside in the longitudinal direction of the warp knitting machine; the linear motion product is preferably commercially available. The rodless gas cylinder 22 is fixedly mounted on the first slider 5 via a steel pipe 49, and the rodless cylinder 22 is connected to the air source system of the warp knitting machine through a pipeline. After the rodless gas rainbow 22 is respectively introduced into the compressed air provided by the air source, the moving load platform 13 can be moved up and down in the vertical direction. In the present invention, the linear motion mechanism may also adopt other structures, such as a motor-driven screw rod and a nut linear motion mechanism, and the nut may serve as a mobile load platform 13 for driving the yarn take-up mechanism up and down.

In the present invention, as an improvement, as shown in Figs. 6 to 10 and Figs. 21 and 22, a fixed one is attached to the inner side of the pusher 3-2, the vertical inner side plate 3-5-1, respectively. The rectangular rubber block 50 for holding the weft yarn 7 has such a structure that the crepe 7 can be more reliably held between the pusher 3-2 and the inner side of the vertical inner side plate 3 - 5 - 1; Between the clamping plate 16 on the bee yarn and the lower holding plate 17 of the weft yarn, at least one guiding shaft 51 for guiding the clamping plate 16 on the weft yarn is provided at least one vertical direction, so that the weft yarn can be clamped. The holding plate 16 reciprocates up and down in a vertical direction more smoothly and reliably; the vertical plate 19 is preferably a first rectangular plate 19-1, which is threadedly connected from top to bottom in the vertical direction, and has a first T shape. The plate 19-2 and the second rectangular plate 19-3 are formed, and the end of the piston rod 18-1 of the second cylinder 18 is fixedly connected with the first rectangular plate 19-1, and the groove 19-3-1 Provided on the bottom surface of the second rectangular plate 19-3; the plate member 21 is preferably threaded from top to bottom in the vertical direction The third rectangular plate 21 - 1 and the second T - plate 21 - 2 are connected, and the end of the piston rod 20 - 1 of the third cylinder 20 is fixedly connected with the third rectangular plate 21 - 1; The upper and lower sides of the first rectangular plate 19-1 and the third rectangular plate 21-1 are respectively provided with a support 52 fixed on the anti-reverse 15, and at least one between the two records 52 After the guide shafts 53, 54 are respectively guided by the guide shafts 53, 54 which respectively guide the riser 19 and the plate member 21 in the vertical direction, it is ensured that the riser 19 and the plate member 21 are more smoothly and reliably Reciprocating up and down in the vertical direction.

Referring to FIG. 5, the motor 6 drives the first slider 5 to traverse on the first linear guide 4 through the synchronous wheel and the timing belt transmission mechanism 47. When the first slider 5 is traversed, the yarn taking mechanism is simultaneously traversed, and the weft clamp is traversed. Holding the «J when the traverse is driven by the first gas rainbow 14 to drive the weft upper clamping plate 16 and the lower weft holding plate 17 to close, so that the weft yarn 7 located above the chain transmission member 3 of the front chain transmission mechanism 1-1 is located The crepe 7 above the chain drive member 3 of the rear chain drive mechanism 1 - 2 is clamped. The downward movement of the moving load platform 13 is driven by the rodless gas rainbow 22, and the weft upper clamping plate 16, the lower weft clamping plate 17 and the held weft yarn 7 - ^ are descended to the chain transmission member 3, through the weft yarn The second cylinder 18 drives the vertical plate 19 with the groove on the bottom surface to move downward, and the clamped crepe 7 is inserted into the weft needle block 3 - 1, and the vertical setting is driven by the third cylinder 20 in the weft insertion mechanism. Plate member 21 moves downward, pressing the end of the weft inserted in the weft needle block 3 - 1 between the rubber pad 50 on the pusher 3 - 2 and the rubber pad 50 on the inner side of the vertical inner plate 3 - 5 - 1 The weft yarn 7 is clamped between the two rubber blocks 50 by the elastic force of the springs 3 - 3.

As a preferred embodiment of the present invention, the weft yarn cutting mechanism includes an upper blade 23 and a lower blade 24 for cutting the weft yarns arranged one above another, the cutting blade J further comprising a vertical axis of the iiJ blade 23 along the warp knitting machine An upper blade reciprocating mechanism that reciprocates up and down in a straight direction, and a lower blade reciprocating movement mechanism that reciprocates the lower blade 24 along the longitudinal direction of the beam guide 2 of the warp knitting machine, and the warp knitting machine The weft yarn 7 fed out on the weft creel is clamped between the upper blade 23 and the lower blade 24. The upper blade 23 of the present invention is preferably made of a rectangular plate having a cutting edge on its bottom surface, and the lower blade 24 is preferably a disk-shaped blade having a cutting edge at the outer circumferential surface thereof, and when working, when the two cutting edges are 4 The fabric is cut off.

In the present invention, as a preferred embodiment, as shown in FIGS. 11, 12, 13, the upper blade reciprocating motion 枳4 hook includes a fourth gas rainbow 25, a fourth cylinder mount 26, and an upper blade mount. 27. The beam 28, the support column 29 and the mounting bottom plate 30; the fourth cylinder 25, the fourth gas bearing mount 26, the beam 28, the support column 29 and the mounting base plate 30 are fixedly connected by bolts from top to bottom in turn -^ The upper blade 23 is vertically fixed to the upper blade mount 27, and the end of the piston rod 25-1 of the fourth gas rainbow 25 is fixedly connected with the upper blade mount 27, the mounting base plate 30 and the beam guide 2 of the warp knitting machine are fixedly connected by bolts through an angle iron 55, and the fourth gas 25 is connected to the air source system of the warp knitting machine through a pipeline. The upper blade mount 27 of the present invention is preferably in the shape of an angle iron. When mounted, the blade 23 is vertically fixed to the vertical side plate of the upper blade mount 27 by bolts, and the piston of the fourth gas rainbow 25 The end of the rod 25-1 is passed through the horizontal side plate of the it_h blade mount 27 and then tightened by a nut to be fixedly coupled with the upper blade mount 27. In addition, the upper blade reciprocating mechanism may also adopt other structures, for example, a linear motor may be used to drive the upper blade to reciprocate up and down.

In order to ensure that the upper blade 23 can reciprocate up and down along the vertical direction of the warp knitting machine with higher stability and higher precision, the present invention provides at least one vertical direction between the fourth cylinder mounting seat 26 and the upper blade mounting seat 27. Guided shaft 56, as shown in Figs. 11, 12, 13, the present invention provides a guide shaft 56, the upper end of which is fixedly coupled to the fourth cylinder mount 26, the guide shaft The shaft of 56 is slidably coupled to the upper blade mount 27 via a linear bearing 57.

As shown in Figure 14, the lower blade reciprocating movement mechanism includes a fifth cylinder 31, a fifth cylinder mount 32, a traverse plate 33, a lower blade mount 34, a linear guide 11⁄2 mover 35 and a mounting base 30; The fifth cylinder 31 is fixed to the fifth cylinder mounting seat 32 via a connecting member 58. The fifth cylinder mounting seat 32 is fixedly connected to the mounting base plate 30 by bolts, and the traverse plate 33 is perpendicular to each other. The first traverse plate 33-1 and the second traverse plate 33-2 are disposed, and the lower end of the first traverse plate 33-1 is fixed to the end of the piston rod 31-1 of the fifth gas rainbow 31. Connection, said The upper end of the first traverse plate 33-1 is fixedly connected to one end of the first yellow transfer plate 33-2 by welding, and the other end of the first yellow transfer plate 33-2 and the lower blade mount 34 are The lower end is fixed by bolts. The linear guide motion pair 35 is composed of a slider 35-1 and a linear guide 35-2 parallel to the beam guide 2 of the warp knitting machine. The slider 35-1 is bolted to the The lower end of the lower blade mount 34 is fixedly connected, and the linear guide 35-2 is fixedly mounted on the fifth magenta mount 32 by bolts, and the fifth gas rainbow 31 passes through the pipeline and the air source of the warp knitting machine The system is connected.

As a preferred embodiment of the present invention, as shown in Figs. 15 to 18, the weft yarn 7 fed from the weft creel of the warp knitting machine is clamped between the upper blade 23 and the lower blade 24 The mechanism includes a sixth gas rainbow 36, a sixth gas rainbow mount 37, a beam 28, a support column 29, a mounting bottom plate 30, and an upper holder 38 and a lower holder 39 for holding the weft yarn 7; The gas rainbow 36, the sixth gas rainbow mount 37, the beam 28, the support column 29, and the mounting bottom plate 30 are sequentially fixedly connected by bolts, and the end of the piston rod 36-1 of the sixth gas rainbow 36 and the upper clamp The holder 38 is fixedly connected, and the lower holder 39 is fixedly connected to the mounting base 30 by bolts, and the sixth cylinder 36 is connected to the air source of the warp knitting machine through a pipeline. The upper holder 38 of the present invention may be formed by splitting the T-shaped plate 38-1 and the rectangular plate 38-2 and then being bolted together, or a unitary piece processed integrally. The lower holder 39 The cross section is preferably T-shaped. The invention has grooves 38 - 3, 39 - 1 respectively formed on the bottom surface of the upper holder 38 and the top surface of the lower holder 39, and rubber strips are respectively embedded in the grooves 38 - 3, 39 - 1 so that When the upper holder 38 is overlapped with the lower holder 39, the weft yarn is not damaged on the one hand, and the weft holding force is also larger on the other hand, and the weft yarn relaxation is better avoided.

In order to ensure that the upper holder 38 can reciprocate up and down along the vertical direction of the warp knitting machine, the present invention is provided between the sixth cylinder mounting seat 37 and the upper holder 38. A guide shaft 59 for guiding in a vertical direction, as shown in FIGS. 15 and 16, the present invention is provided with two guide shafts 59, and the upper end of the guide shaft 59 is fixedly connected to the sixth cylinder mount 37, The shaft of the guide shaft 59 is slidably coupled to the upper holder 38 via a linear bearing 57.

In the cutting work of the present invention, the upper holder 38 in the clamping mechanism is moved downwardly under the driving of the sixth gas beam 36 to overlap with the lower holder 39, thereby feeding out the weft creel of the warp knitting machine. The weft yarn 7 in the unfolded state is clamped while the upper blade 23 is moved downward by the fourth gas rainbow 25 to abut against the clamped weft yarn 7, and the lower blade 24 is driven by the fifth gas rainbow 31. The beam guide 2 of the machine is moved laterally in the longitudinal direction to cut the weft yarn above the chain transmission member 3 of the front chain transmission mechanism 1-1.

In the present invention, the pusher 3-2 is preferably a U-shaped steel plate having a groove 3 - 2 - 1, and the weft insertion device further includes a chain opening «, as shown in Figs. 19 to 23, The chain opening 1 hook includes a seventh cylinder 40, an open chain plate 41 and a seventh gas rainbow mount 42, wherein the seventh cylinder 40 is fixed to the seventh cylinder mount 42, the seventh cylinder 40 Piston rod end and said One end 41-1 of the open link plate 41 is fixedly connected, and the other end 41-2 of the open end 41 is placed in the groove 3-2-1 of the pusher 3-2, the seventh gas rainbow The mounting seat 42 is fixedly coupled to the first slider 5 by bolts.

In the present invention, as a preferred embodiment, the seventh cylinder mount 42 has two vertical plates 42-1 arranged in parallel and vertically, and the seventh gas rainbow 40 is connected to the plate 60. Fixedly installed between the two vertical plates 42-1, the open chain plate 41 has two parallel and horizontally disposed side plates 41-3, and the two horizontal side plates 41-3 and the second The vertical vertical plates 42-1 are slidably engaged. In the implementation, a rectangular key block 42-1-1 may be disposed on the vertical plate 42-1, and a rectangular sliding groove 41-3-1 may be disposed on the side plate 41-3. The side plates 41-3 slide on the key blocks 42-1-1 through their sliding grooves 41-3-1 to form a sliding fit between the side plates 41-3 and the vertical plates 42-1. In operation, the open chain plate 41 can be driven by the seventh gas rainbow 40 to move the open link plate 41 outward in the longitudinal direction of the warp knitting machine. When the open chain plate 41 moves outward, the pusher is pushed through one end 41-2 thereof. The 3-2 compression springs 3 - 3 move outward at the same time, so that the pusher 3 - 2 is disengaged from the clamping state of the vertical inner side plate 3 - 5 - 1 and the rubber block 50 in the pusher 3 - 2 A cavity 61 is formed between the rubber block 50 of the vertical inner side plate 3-5-1 so that the weft yarn can be inserted from the cavity 61, and then the seventh cylinder 40 drives the opening 41 to cause the opening 41 to pass. The longitudinal movement of the knitting machine is inward, and when the opening is 3⁄441 inward, the spring 2-3 pushes the pusher 2-3 under the restoring force and moves inward at the same time, so that the pusher 2-3 is restored with the vertical inner side plate. The clamping state between 3-5-1, such that the weft yarn is clamped between the rubber pad 50 of the pusher 3-2 and the rubber pad 50 of the vertical inner side plate 3-5-1.

Referring to Figures 1 to 23, in the weft insertion process, the weft yarns in the unfolded state which are fed from the warp knitting machine weft creels by the upper and lower weft yarn holding plates 9-1, 9-2 in the weft yarn transmitting mechanism 7-end clamping, and then through the longitudinal movement of the second slider 8-2 on the second linear guide 8.1, the weft yarn 7 is transmitted over the front chain transmission mechanism 1-1 to the rear chain transmission mechanism 1 - Above the chain transmission member 3; the weft yarn above the chain transmission member 3 of the front chain transmission mechanism 1 - 1 is passed through the first gas rainbow 14 and the weft upper clamping plate 16 and the lower weft clamping plate 17 in the yarn taking mechanism 7 and the weft yarn 上方 above the chain transmission member 3 of the rear chain transmission mechanism 1 - 2 is clamped, and the weft yarn in the unfolded state fed by the weft creel of the warp knitting machine is clamped by the clamping mechanism in the weft yarn cutting mechanism Simultaneously, while the upper blade 23 moves downwardly against the clamped weft yarn, the lower blade 24 moves laterally along the length of the beam guide 2 of the warp knitting machine so as to be positioned above the chain transmission member 3 of the front chain transmission mechanism 1-1. The weft yarn is cut, so that the yarn from the warp knitting machine The weft yarn 7 fed out in the unfolded state is cut into a weft yarn segment which is over the chain transmission members 3 of the front and rear chain drive mechanisms 1-1, 1 - 2, and the ends of the weft yarn segment are respectively The upper yarn holding plate 16 and the lower weft holding plate 17 above the chain transmission member 3 of the front and rear chain drive mechanisms 1-1, 1-2 are clamped by the weft insertion mechanism of the yarn take-up mechanism The second gas rainbow 18 and the riser 19 having the groove 19-3-1 on the bottom surface embed the held weft yarn segments in the chain transmission members 3 of the front and rear chain drive mechanisms 1-1, 1-2 In the weft needle block 3 - 1, the third gas rainbow 20 and the vertically disposed plate member 21 which are pressed into the hook by the weft yarn of the yarn take-up will be the weft yarn end portion of the weft needle block 3 - 1 The rubber pad 50 of the pusher 3-2 and the rubber pad 50 of the vertical inner plate 3-5-1 are respectively pressed into the chain drive member 3 of the front and rear chain drive mechanisms 1-1, 1-2. Between the weft yarns, the weft yarns are laid between the warp beam guide rails 2 of the warp knitting machine.

Claims

A weft insertion device for a warp knitting machine, the warp knitting machine comprising a chain transmission mechanism (1) for weft insertion and a first linear guide rail mounted on a two-beam guide rail (2) of a warp knitting machine The chain transmission mechanism (1) includes a plurality of chain transmission members (3) arranged side by side, and the chain transmission members arranged side by side

(3) interconnecting to form two rows of front chain drive mechanisms (1-1) and rear chain drive mechanisms (1-2) respectively disposed inside the ^^ yellow beam guide (2), each The chain transmission member (3) is mainly composed of a weft needle block (3-1), a pusher (3-2), a spring (3 -3), a chain (3-4) and has a vertical inner side plate (3 - 5 - 1 ), a vertical outside panel (3-5-2) and a horizontal floor

a U-shaped chain cover plate (3-5) of (3-5-3), the weft needle block (3-1) being fixedly mounted on the outer side of the vertical inner side plate (3-5-1), the push A yarn feeder (3-2) is slidably mounted between the vertical inner side plate (3-5-1) and the vertical outer side plate (3-5-2), both ends of the spring (3-3) Corresponding to the pusher (3-2) and the vertical outer plate (3-5-2), respectively, the bottom plate (3-5-3) of the U-shaped chain cover (3-5) and the Chains (3-4) are connected; the first linear guide pair is mounted on the first linear guide (4) on the fixed beam rail (2) and slidably mounted on the first linear guide ( 4) The first slider (5) is formed, and the first slider (5) is driven to reciprocate on the first linear guide (4) by the first driving device (6), wherein : the weft insertion device comprises a weft yarn transmitting mechanism, a yarn take-up mechanism and a weft yarn cutting mechanism;

The weft transmission mechanism, which clamps the weft yarn (7) sent from the warp knitting machine creel and transmits it to the rear chain transmission mechanism (1-2) via the front chain transmission mechanism (1-1) Above the chain drive member (3), the weft yarn is transferred between the yellow beam guides (2) of the hook-and-loop warp knitting machine; the yarn take-up mechanism, which will be located in the chain of the front chain drive mechanism (1-1) The weft thread (7) above the transmission member (3) is clamped with the weft thread (7) above the chain transmission member (3) of the rear chain transmission mechanism (1-2), and the yarn take-up yarn will also be located in the rear chain drive The end of the weft yarn (7) above the chain transmission member (3) of (1-2) is press-fitted into the chain drive member (3) of the rear chain drive mechanism (1-2) (3-2) Between the inside of the vertical inner side plate (3-5-1) of the U-shaped chain cover (3-5), and the chain drive member (3) above the front chain drive « (1-1) The end of the weft yarn (7) cut by the weft thread cutting mechanism is pressed into the pusher (3-2) and the U-shaped chain cover (3-) in the chain transmission member (3) of the front chain drive mechanism (1-1) 5) vertical inner side panel ( 3 - 5 - 1 ) between the inner sides, the yarn is hooked on the first slider (5) of the first linear guide pair;

The weft thread cutting mechanism for cutting the crepe (7) above the chain transmission member (3) of the front chain transmission mechanism (1-1), the weft yarn cutting mechanism being mounted on the front chain transmission mechanism (1 - 1) ) on one side of the beam guide (2).

2. The weft insertion device of a warp knitting machine according to claim 1, wherein: said weft yarn The transmission mechanism includes a second linear guide pair (8) and a weft gripper (9), and the second linear guide pair (8) is composed of a second linear guide (8-1) and the second linear guide (8- 1) a sliding fit second slider (8-2), the second linear guide (8-1) being vertically mounted between the warp beam guide rails (2), the second slider (8-2) is reciprocated by the second driving device (10) on the second linear guide (8-1); the weft yarn holder (9) includes an upper weft holding plate (9-1) a lower weft gripping plate (9-2) and a third driving device (11), the weft gripper (9) is mounted on the second slider (8-2), and the lower weft gripping plate (9-1, 9-2) is driven by the third driving device (11) to clamp the weft yarn (7) fed from the weft creel of the warp knitting machine to the upper weft yarn holding plate (9-1) Between the lower weft holding plate (9-2).

3. The weft insertion device of a warp knitting machine according to claim 2, characterized in that: the second driving device (10) is driven by a motor (10-1) and a synchronous wheel, a synchronous belt (10-2) The second slider (8-2) is mounted on the timing belt; the third driving device (11) is composed of a pneumatic claw (11-1), and the air gripper (11-1) is The second slider (8-2) is fixedly connected, and the air gripper (11-1) has two pneumatic actuators (11-1-1) arranged in parallel in the vertical direction and input and output ports of compressed air. (11 - 1 - 2 ), the upper weft yarn clamping plate (9-1) and the lower weft yarn clamping plate (9-2) are respectively disposed on the pneumatic weir element (11 - 1 - 1), The input and output ports (11-1-2) are connected to the air source system of the warp knitting machine through the pipe (12).

4. The weft insertion device of a warp knitting machine according to claim 1, wherein: a linear motion mechanism is vertically mounted on the first slider (5), and the linear motion product has a a mobile load platform (13) movable up and down in a vertical direction; the yarn take-up «J includes a weft grip for gripping the weft yarn, and a weft yarn to be gripped ^the weft needle block (3-1 Inside the weft yarn ^^ / U hook, and press the end of the weft yarn in the weft needle block (3 - 1) into the pusher (3 - 2) and the U-shaped chain cover (3-5) a weft press-in mechanism between the inner side of the vertical inner side panel (3-5-1); the yarn take-up sentence is connected to the mobile load platform (13) and can be connected by the mobile load platform

(13) Drive up and down in the vertical direction.

A weft insertion device for a warp knitting machine according to claim 4, wherein: said weft yarn clamping product comprises a first air dam (14), a mounting plate (15) and a crepe for holding the weft yarn An upper clamping plate (16) and a lower weft clamping plate (17); the first cylinder (14) and the lower weft clamping plate (17) are fixedly mounted on the mounting plate (15), the first An end of the piston rod (14-1) of the cylinder (14) is fixedly connected to the weft holding plate (16), and the first gas rainbow (14) is connected to the air source system of the warp knitting machine through a pipeline. The anti-reverse (15) is fixedly connected to the mobile load platform (13);

The crepe ^O^J includes a second cylinder (18) and a riser (19) having a groove (19-3-1) on the bottom surface thereof; the second gas red (18) is fixed On the reverse (15), the end of the piston rod (18-1) of the second cylinder (18) is fixedly connected to the upper end of the riser (19), and the depth of the groove (19 - 3 - 1) And the width is adapted to the pin on the weft needle block (3-1), The second cylinder (18) is connected to the air source of the warp knitting machine through a pipeline;

The weft press-in mechanism includes a third gas rainbow (20) and a vertically disposed plate member (21); the third cylinder (20) is fixedly mounted on the mounting plate (15), the third The end of the piston rod (20-1) of the cylinder (20) is fixedly connected to the upper end of the plate member (21), and the third cylinder (20) is connected to the air source system of the warp knitting machine through a pipeline;

The weft upper and lower clamping plates (16, 17), the plate-like members (21) and the vertical plates (19) are arranged in an order from the outside to the inside in the longitudinal direction of the warp knitting machine; the straight motion is a rodless gas rainbow ( 22) The rodless cylinder (22) is connected to the air source system of the warp knitting machine through a pipeline.

The weft insertion device of a warp knitting machine according to claim 1, wherein: the weft thread cutting mechanism comprises an upper blade (23) and a lower blade (24) for cutting the crepe arranged up and down, The cutting product 4 further includes an upper blade reciprocating up and down the upper blade (23) in a vertical direction of the warp knitting machine, and a lower blade (24) along the beam of the warp knitting machine a lower blade reciprocating movement mechanism for reciprocating traverse movement in the longitudinal direction of the guide rail (2), and clamping the weft yarn (7) fed from the warp knitting machine creel on the upper blade (23) and the lower blade ( 24) The clamping mechanism between.

7. The weft insertion device of a warp knitting machine according to claim 6, wherein: said upper blade reciprocating motion comprises a fourth gas rainbow (25), a fourth gas rainbow mount (26), and upper a blade mount (27), a beam (28), a support column (29), and a mounting base plate (30); the fourth cylinder (25), the fourth gas rainbow mount (26), the beam (28), and the support column (29) and the mounting bottom plate (30) are fixedly connected in order from top to bottom, and the upper blade (23) is vertically fixedly mounted on the upper blade mounting seat

(27), the end of the piston rod (25-1) of the fourth gas rainbow (25) is fixedly connected to the upper blade mounting seat (27), and the mounting bottom plate (30) and the beam of the warp knitting machine The guide rail (2) is fixedly connected, and the fourth gas rainbow (25) is connected to the air source system of the warp knitting machine through a pipeline;

The lower blade reciprocating 4 yellowing movement mechanism comprises a fifth cylinder (31), a fifth gas red mounting seat (32), a traverse plate (33), a lower blade mounting seat (34), and a linear guide 41⁄2 moving pair (35) And a mounting base plate (30); the fifth cylinder (31) is fixedly mounted on the fifth cylinder mounting seat (32), and the fifth cylinder mounting seat (32) is fixed to the mounting base plate (30) Connecting, the traverse plate (33) is composed of a first traverse plate (33-1) and a second traverse plate (33-2) disposed perpendicularly to each other, the first traverse plate (33-1) The lower end is fixedly connected to the end of the piston rod (31-1) of the fifth gas rainbow (31), the upper end of the first 4th shifting plate (33-1) and the second traverse plate (33) One end of the -2) is fixedly connected, and the other end of the first moving plate (33 - 2) is fixedly connected to the lower end of the lower blade mounting seat (34), and the lower blade (24) is rotatably mounted. The upper end of the lower blade mount (34), the linear guide motion pair (35) is composed of a slider (35-1) and a linear guide parallel to the beam guide (2) of the warp knitting machine (35- 2) constituting the slider (35-1) with the lower The lower end of the blade mounting seat (34) is fixedly connected to the linear guide (35-2) mounted on said fifth gas On the cylinder mount (32), the fifth cylinder (31) is connected to the air source system of the warp knitting machine through a pipeline; the weft yarn (7) fed on the warp knitting frame of the warp knitting machine is clamped at The clamping between the upper blade (23) and the lower blade (24) includes a sixth cylinder (36), a sixth gas rainbow mount (37), a beam (28), a support column (29), and a mounting base plate. (30) and an upper holder (38) and a lower holder (39) for holding the weft yarn (7); the sixth gas (36), the sixth gas rainbow mount (37), and the beam ( 28), the support column (29), the mounting bottom plate (30) is fixedly connected to the end of the piston rod (36-1) of the sixth cylinder (36) and the upper clamp (38) is fixedly connected. The holder (39) is fixedly connected to the mounting base plate (30), and the sixth gas rainbow (36) is connected to the air source system of the warp knitting machine through a pipeline.

The weft insertion device of a warp knitting machine according to any one of claims 1 to 7, wherein: the pusher (3-2) is a groove (3-2 - 1) a U-shaped plate, the weft insertion device further comprises a chain opening; the hook, the chain opening comprises a seventh cylinder (40), an opening (41) and a seventh gas rainbow mounting seat (42), the seventh gas a rainbow (40) is mounted on the seventh gas rainbow mount (42), and a piston rod end of the seventh cylinder (40) is fixedly connected to one end (41-1) of the open link plate (41), The other end (41-2) of the open link plate (41) is placed in the groove (3-2-1) of the pusher (3-2), and the seventh gas rainbow mount (42) ) is fixedly connected to the first slider (5).