阅读说明：本技术 一种针织横机牵拉装置 (Flat knitting machine draw-off gear ) 是由 胡彦刚 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种针织横机牵拉装置,旨在解决现有的针织机械上的罗拉装置只能同时牵拉,无法实现对织物分段、分层牵拉,导致牵拉效果不佳的不足。该发明包括机架、安装架、驱动组件、安装在安装架上的牵拉机构,机架上设有导料槽,安装架安装在导料槽中,牵拉机构包括安装箱、若干安装在安装箱上的牵拉单元,牵拉单元包括可升降安装在安装箱内的升降座、铰接在升降座上的开合杆,开合杆上安装牵拉耙,牵拉耙可向外伸出安装箱,驱动组件上安装用于驱动升降座移动的升降驱动块以及用于驱动开合杆转动的偏转拨块。这种横机牵拉装置能实现对织物的分段、分层牵拉,牵拉效果好。(The invention discloses a drawing device of a flat knitting machine, and aims to solve the problem that the drawing effect is poor due to the fact that a roller device on the existing knitting machine can only draw simultaneously and cannot draw a fabric in a segmented and layered mode. The automatic drawing device comprises a rack, a mounting frame, a driving assembly and a drawing mechanism arranged on the mounting frame, wherein a guide chute is arranged on the rack, the mounting frame is arranged in the guide chute, the drawing mechanism comprises a mounting box and a plurality of drawing units arranged on the mounting box, each drawing unit comprises a lifting seat arranged in the mounting box in a lifting mode and an opening-closing rod hinged on the lifting seat, a drawing rake is arranged on the opening-closing rod and can extend out of the mounting box, and a lifting driving block used for driving the lifting seat to move and a deflection shifting block used for driving the opening-closing rod to rotate are arranged on the driving assembly. The flat knitting machine traction device can realize segmented and layered traction on the fabric, and has a good traction effect.)

1. The utility model provides a flat knitting machine tractive device, which comprises a frame, a mounting bracket, drive assembly, install the tractive mechanism on the mounting bracket, be equipped with the baffle box in the frame, the mounting bracket is installed in the baffle box, tractive mechanism includes the install bin, a plurality of tractive units of installing on the install bin, the tractive unit includes that the liftable installs the lift seat in the install bin, articulate the pole that opens and shuts on the lift seat, install the tractive harrow on the pole that opens and shuts, the tractive harrow can outwards stretch out the install bin, the last installation of drive assembly is used for driving the lift drive block that the lift seat removed and is used for driving pole pivoted deflection shifting block that opens and shuts.

2. The pulling device of the flat knitting machine as claimed in claim 1, wherein the pulling rake is provided with a plurality of rows of rake claws, the rake claws are distributed in a rectangular array, and at least one of the rake claws is absent from the corner positions of the left end and the right end of the upper side of the rectangular array to form a vacancy.

3. The pulling device of the flat knitting machine as claimed in claim 1, wherein the driving assembly comprises a transmission shaft and a plurality of driving shafts, the driving shafts are mounted on the transmission shaft, a driving shaft is mounted in each mounting box, and the lifting driving block and the deflection shifting block are arranged on the driving shafts; the lifting seat is provided with a top plate, the driving shaft rotates to enable the lifting driving block to be jacked up the lifting seat upwards, the driving shaft rotates to enable the deflection shifting block to be abutted to the opening and closing rod, and the drawing rake at the upper end of the opening and closing rod retracts from the outside to the inside of the installation box.

4. The pulling device of the flat knitting machine as claimed in claim 1, wherein the driving assembly comprises a transmission shaft and a plurality of driving shafts, the driving shafts are mounted on the transmission shaft, a driving shaft is mounted in each mounting box, and the lifting driving block and the deflection shifting block are arranged on the driving shafts; the lifting seat is provided with a rack, the lifting driving block is provided with a section of arc-shaped meshing gear, the meshing gear is matched with the rack, the driving shaft rotates to enable the meshing gear to drive the rack to move upwards, the driving shaft rotates to enable the deflection shifting block to abut against the opening and closing rod, and the drawing rake at the upper end of the opening and closing rod retracts from the outside to the inside of the installation box.

5. The pulling device of the flat knitting machine as claimed in claim 3 or 4, wherein the driving shafts are all tightly connected with the transmission shaft, and a driving motor for driving the transmission shaft to rotate is installed on the mounting frame; or the driving shafts can be rotatably arranged on the transmission shaft, and the mounting rack is correspondingly provided with a driving motor for driving the driving shafts to rotate.

6. The pulling device of the flat knitting machine according to claim 3 or 4, wherein an arc-shaped sliding groove is formed in the driving shaft at a position corresponding to the deflecting pusher, and one end of the deflecting pusher is slidably mounted in the arc-shaped sliding groove.

7. The pulling device of the flat knitting machine as claimed in claim 1, wherein the driving assembly comprises a first rotating shaft and a second rotating shaft, a plurality of transmission belts are connected between the first rotating shaft and the second rotating shaft, the transmission belts are arranged in a one-to-one correspondence with the pulling units, the lifting driving block and the deflection shifting block are both arranged on the outer surface of the transmission belts, the lifting driving block can be abutted to the lifting seat to jack the lifting seat upwards, the deflection shifting block can be abutted to the opening and closing rod to rotate, and the pulling rake at the upper end of the opening and closing rod retracts inwards from the outside of the installation box.

8. The pulling device of the flat knitting machine as claimed in claim 1, wherein the driving assembly comprises a first rotating shaft and a second rotating shaft, the lifting driving block is mounted on the first rotating shaft, and the deflecting shifting block is mounted on the second rotating shaft.

9. The pulling device of the flat knitting machine according to the claim 1, 2, 3, 4, 7 or 8, characterized in that a rotatable adjusting rod is installed in the installation box, an elastic member is connected to the lifting seat, a pulling rope is connected between the elastic member and the adjusting rod, and the pulling rope is wound on the adjusting rod.

10. The pulling device of the flat knitting machine as claimed in claim 1, 2, 3, 4, 7 or 8, wherein the lifting base is connected with a counterweight rope, and the counterweight rope is connected with a counterweight block.

11. The pulling device of the flat knitting machine as claimed in claim 1, 2, 3, 4, 7 or 8, wherein a rotatable stopping member is installed in the installation box, and the stopping member can abut against the opening and closing rod to enable the pulling rake at the upper end of the opening and closing rod to retract from the outside of the installation box to the inside.

12. The pulling device of the flat knitting machine as claimed in claim 11, wherein a main shaft is mounted on the mounting frame, the resting pieces are all fixedly connected with the main shaft, and the main shaft deflects to drive all the resting pieces to deflect synchronously; or the mounting frame and the resting pieces are correspondingly provided with resting motors for driving the resting pieces to rotate one by one.

Technical Field

The invention relates to the technical field of flat knitting machines, in particular to a traction device of a flat knitting machine.

Background

At present, most of drawing devices of knitting machines adopt roller devices, so that drawing action is easy to realize, cost is low, but the roller devices aim at simultaneously drawing the whole fabric, so that subsection and layered drawing of the fabric cannot be realized, and the roller devices have great limitation particularly on a full-forming machine.

Disclosure of Invention

The invention overcomes the defect that the prior roller device on knitting machinery can only draw at the same time and can not draw the fabric sectionally and hierarchically, so that the drawing effect is poor, and provides the drawing device of the flat knitting machine, which can draw the fabric sectionally and hierarchically and has good drawing effect.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a flat knitting machine tractive device, which comprises a frame, a mounting bracket, drive assembly, install the tractive mechanism on the mounting bracket, be equipped with the baffle box in the frame, the mounting bracket is installed in the baffle box, tractive mechanism includes the install bin, a plurality of tractive units of installing on the install bin, the tractive unit includes that the liftable installs the lift seat in the install bin, articulate the pole that opens and shuts on the lift seat, install the tractive harrow on the pole that opens and shuts, the tractive harrow can outwards stretch out the install bin, the last installation of drive assembly is used for driving the lift drive block that the lift seat removed and is used for driving pole pivoted deflection shifting block that opens and shuts.

When the drawing device of the flat knitting machine works, the lifting driving block on the driving assembly drives the lifting seat to move, and the deflection shifting block on the driving assembly drives the opening and closing rod to rotate. The lifting seat is lifted to drive the traction harrow to lift, the deflection shifting block drives the opening and closing rod to rotate, so that the traction harrow moves downwards when extending out of the installation box, and the traction harrow is contacted with the fabric to draw the fabric. Because a plurality of traction mechanisms are arranged on the mounting frame at intervals, a plurality of traction units are installed in each traction mechanism, and each traction unit is independent, the pace of each traction unit can be independently set, different traction units can synchronously traction and asynchronously traction, one part of traction units can synchronously traction firstly, and the other part of traction units can synchronously traction later, so that the segmented and layered traction of the fabric can be realized. The fabric can be drawn in a double-sided way, a single-sided way or a certain part of the single-sided way, even a single way, so that the local independent drawing of the fabric is realized, and the fabric drawing machine is particularly suitable for full-forming knitting machinery. The drawing device of the flat knitting machine can draw the fabric in a segmented and layered manner, and has a good drawing effect.

Preferably, the drawing harrow is provided with a plurality of rows of harrow claws which are distributed in a rectangular array, wherein at least one harrow claw is arranged at the corner positions of the left end and the right end of the upper side of the rectangular array to form a vacancy.

When the fabric is woven on a machine, the fabric has a shrinkage property, the part of the fabric with the most marginal part farther away from the knitting needle shrinks towards the inner part, so that the edge of the fabric is in an inclined state, the edge of the rake claw is kept parallel to the fabric as far as possible due to the arrangement of the gap, the probability that a single rake claw is contacted with the edge of the fabric can be reduced, and the phenomenon that the fabric is partially drawn tightly due to the fact that the rake claw hooks the fabric is avoided, and the fabric is damaged.

Preferably, the driving assembly comprises a transmission shaft and a plurality of driving shafts, the driving shafts are arranged on the transmission shaft, the driving shafts are arranged in the installation box, and the lifting driving block and the deflection shifting block are arranged on the driving shafts; the lifting seat is provided with a top plate, the driving shaft rotates to enable the lifting driving block to be jacked up the lifting seat upwards, the driving shaft rotates to enable the deflection shifting block to be abutted to the opening and closing rod, and the drawing rake at the upper end of the opening and closing rod retracts from the outside to the inside of the installation box.

The driving shaft drives the lifting driving block to rotate to jack up the lifting seat, and the lifting seat can freely fall back under the action of gravity after the lifting driving block is separated from the lifting seat. The driving shaft drives the deflection shifting block to rotate to shift the opening and closing rod outwards, and the traction rake retracts inwards from the outside of the installation box. The continuous lifting of the lifting seat and the back-and-forth deflection of the opening and closing rod are realized by the continuous rotation of the driving shaft, so that the fabric is pulled. Each lifting seat corresponds to at least one lifting driving block, each opening and closing rod corresponds to at least one deflection shifting block in the same way, and selection can be performed according to requirements, if the lifting seat needs to be lifted for N times when the driving shaft rotates for one circle, each lifting seat corresponds to N lifting driving blocks, and the N corresponding lifting driving blocks are only required to be abutted to the lifting seat; if the deflection shifting block needs to be shifted for N times when the driving shaft rotates for one circle, each opening and closing rod corresponds to N deflection shifting blocks, and the opening and closing rod only needs to be shifted by the N corresponding deflection shifting blocks.

In another scheme, the driving assembly comprises a transmission shaft and a plurality of driving shafts, the driving shafts are arranged on the transmission shaft, the driving shafts are arranged in the installation box, and the lifting driving block and the deflection shifting block are arranged on the driving shafts; the lifting seat is provided with a rack, the lifting driving block is provided with a section of arc-shaped meshing gear, the meshing gear is matched with the rack, the driving shaft rotates to enable the meshing gear to drive the rack to move upwards, the driving shaft rotates to enable the deflection shifting block to abut against the opening and closing rod, and the drawing rake at the upper end of the opening and closing rod retracts from the outside to the inside of the installation box.

The lifting driving block is connected with the lifting seat through the transmission of the meshing teeth and the racks, so that the lifting seat is lifted upwards, and the transmission is stable and reliable.

Preferably, the driving shafts are fixedly connected with the transmission shaft, and a driving motor for driving the transmission shaft to rotate is arranged on the mounting frame; or the driving shafts can be rotatably arranged on the transmission shaft, and the mounting rack is correspondingly provided with a driving motor for driving the driving shafts to rotate.

The drive shaft is tightly installed on the transmission shaft, and all drive shafts can synchronously rotate through one drive motor, so that the motors are reduced, and the cost is reduced. Or the driving shafts are rotatably arranged on the transmission shaft, and each driving shaft is controlled to rotate by a driving motor which is independently arranged, so that the independent control of different driving shafts is realized.

Preferably, an arc-shaped sliding groove is formed in the position, corresponding to the deflection shifting block, of the driving shaft, and one end of the deflection shifting block is slidably mounted in the arc-shaped sliding groove. The structure arrangement enables the deflection shifting block to have a certain angle of free movement relative to the driving shaft, and after the deflection shifting block is separated from the opening and closing rod, the deflection shifting block accelerates the separation speed of the deflection shifting block from the opening and closing rod by means of the gravity of the deflection shifting block, so that space is vacated for the up-and-down movement of the opening and closing rod, and the mutual interference between the deflection shifting block and the opening and closing rod is avoided. The position of the deflection shifting block close to one side edge is provided with the lightening hole, the gravity center of the deflection shifting block is adjusted by the arrangement of the lightening hole, the deflection shifting block can be far away from the opening and closing rod as far as possible, and the deflection shifting block can be prevented from continuously swinging after being separated from the opening and closing rod.

The third scheme, drive assembly include first pivot, second pivot, connect a plurality of drive belts between first pivot and the second pivot, and the drive belt sets up with tractive unit one-to-one, and the lift drive piece all sets up on the drive belt surface with the shifting block that deflects, but the lift drive piece butt will lift the seat jack-up that makes progress on the lift seat, but the shifting block butt that deflects to the pole rotation that opens and shuts, the tractive harrow of the pole upper end that opens and shuts is followed the install bin outside and inwards retracted.

First pivot and second pivot are passed through the drive belt transmission and are connected, and the lift drive piece all sets up on the drive belt surface with the shifting block that deflects, and at the drive belt transmission in-process, but lift drive piece butt will go up and down the seat jack-up that makes progress on going up and down the seat, but the shifting block that deflects can butt to open and shut the pole rotation, and the tractive harrow of the pole upper end that opens and shuts inwards retracts from the install bin outward, and the drive is convenient and reliable.

In the fourth scheme, the driving assembly comprises a first rotating shaft and a second rotating shaft, the lifting driving block is installed on the first rotating shaft, and the deflection shifting block is installed on the second rotating shaft.

The lifting driving block and the deflection shifting block are arranged on the two shafts, and the processing and the arrangement are convenient.

Preferably, a rotatable adjusting rod is installed in the installation box, the lifting seat is connected with an elastic piece, a pulling rope is connected between the elastic piece and the adjusting rod, and the pulling rope is wound on the adjusting rod. The elastic piece is arranged to facilitate the lifting seat to move downwards for returning. The pull rope is wound on the adjusting rod, the length of the pull rope is adjusted by rotating the adjusting rod, so that the elasticity of the elastic piece is adjusted, the downward pulling force of the lifting seat is adjusted, the adjustment of the pulling force of the pulling rake for pulling the fabric downward is realized, and the adjustment is convenient and reliable.

In the other scheme, a counterweight rope is connected to the lifting seat and is connected with a counterweight block. The arrangement of the balancing weight facilitates the downward movement and the return of the lifting seat, so that the action of pulling the harrow to pull the fabric downward is realized.

Preferably, a rotatable stopper is mounted in the mounting box, and the stopper can abut against the opening and closing rod to retract the drawing harrow at the upper end of the opening and closing rod from the outside of the mounting box to the inside.

Under the condition of no stopping, the stopping piece is rotated to enable the stopping piece to be abutted to the opening and closing rod, so that the drawing harrow at the upper end of the opening and closing rod retracts inwards from the outside of the installation box, and at the moment, the fabric cannot be drawn even if the drawing harrow goes up and down.

Preferably, a main shaft is arranged on the mounting frame, the resting pieces are fixedly connected with the main shaft, and the main shaft deflects to drive all the resting pieces to deflect synchronously; or the mounting frame and the resting pieces are correspondingly provided with resting motors for driving the resting pieces to rotate one by one.

The synchronous deflection of all the resting members can be controlled by one spindle. And one stop piece can be independently controlled to rotate by one stop motor, so that the stop traction control of any one traction mechanism is realized conveniently.

Compared with the prior art, the invention has the beneficial effects that: (1) the drawing device of the flat knitting machine can realize the sectional and layered drawing of the fabric, and has good drawing effect; (2) the drawing harrow is efficient in hooking and releasing the fabric, and cannot hook the local fabric, so that the local yarn of the fabric is prevented from being drawn tightly, and the fabric is prevented from being damaged; (3) the drawing force of the drawing harrow on the fabric can be adjusted, so that the fabric is prevented from being damaged due to overlarge force, or the poor drawing effect of the fabric due to the overlarge force is avoided; (4) the stopping piece can realize the stopping of the drawing action of the drawing harrow on the fabric, thereby being convenient for realizing the sectional and layered drawing; (5) the plurality of traction mechanisms are arranged, each traction mechanism is internally provided with a plurality of traction units, and the plurality of traction harrows are used for traction the fabric, so that the fabric has a continuous, independent, uniform and flat traction force, and particularly, the fabric has an ideal effect on local weaving of double-layer air layer fabrics; (6) the traction device can realize double-sided traction, single-sided traction or traction of a certain part in a single side, even single traction, realize local independent traction on the fabric, and is particularly suitable for full-forming knitting machinery.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the pulling mechanism of the present invention;

FIG. 3 is a schematic structural view of the pulling mechanism of the present invention;

fig. 4 is a schematic view of a drawing unit of embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a drive shaft of embodiment 1 of the invention;

fig. 6 is a schematic view of a drawing unit of embodiment 2 of the present invention;

FIG. 7 is a partial structural view of embodiment 3 of the present invention;

FIG. 8 is a partial structural view of embodiment 4 of the present invention;

FIG. 9 is a partial structural view of embodiment 5 of the present invention;

FIG. 10 is a partial structural view of embodiment 6 of the present invention;

FIG. 11 is a partial structural view of embodiment 7 of the present invention;

in the figure: 1. the device comprises a frame, 2, a mounting frame, 3, a drawing mechanism, 4, a guide chute, 5, a mounting box, 6, a lifting seat, 7, an opening and closing rod, 8, a drawing rake, 9, a lifting driving block, 10, a deflection shifting block, 11, a guide surface, 12, a rake claw, 13, an avoidance through hole, 14, a return torsion spring, 15, a guide seat, 16, a guide rod, 17, a transmission shaft, 18, a driving shaft, 19, a top plate, 20, an arc-shaped sliding chute, 21, a lightening hole, 22, an adjusting rod, 23, an elastic piece, 24, a pull rope, 25, a pause piece, 26, a main shaft, 27, a forward rotation gear, 28, a reverse rotation gear, 29, a driving gear, 30, a rack, 31, a meshing gear, 32, a counterweight rope, 33, a counterweight block, 34, a first rotating shaft, 35, a second rotating shaft, 36, a transmission belt, 37, a motor, 38, a turbine, 39 and a worm.

Detailed Description

The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1: the utility model provides a flat knitting machine tractive device (see attached drawing 1 to attached drawing 5), includes that frame 1, mounting bracket 2, drive assembly, interval install a plurality of tractive mechanism 3 on the mounting bracket, is equipped with baffle box 4 in the frame, and the mounting bracket is installed in the baffle box, installs the mounting bracket of two relative settings in the baffle box, all installs one row of tractive mechanism on the mounting bracket, and tractive mechanism sets up relatively, and the fabric carries out the tractive between the double-phase tractive mechanism to setting up. The traction mechanism comprises an installation box 5 and a plurality of traction units arranged on the installation box, each traction unit comprises a lifting seat 6 which is arranged in the installation box in a lifting mode, an opening and closing rod 7 hinged to the lifting seat, a traction rake 8 is arranged on the opening and closing rod and can extend out of the installation box, and a lifting driving block 9 used for driving the lifting seat to move and a deflection shifting block 10 used for driving the opening and closing rod to rotate are arranged on the driving assembly.

The upper surface of the frame is of an inverted V-shaped structure, and the material guide grooves are arranged in the middle of the upper surface of the frame and distributed along the length direction of the frame. The upper surface of the mounting box is provided with an obliquely arranged guide surface 11. The drawing harrow is provided with a plurality of rows of harrow claws 12 which are distributed in a rectangular array, wherein at least one harrow claw is arranged at the corner positions of the left end and the right end of the upper side of the rectangular array to form a vacancy, and the left end and the right end of the uppermost row of harrow claws in the embodiment are respectively provided with one harrow claw to form a vacancy. The installing box is provided with a plurality of vertical avoiding through holes 13 which are arranged and are long-strip-shaped on the surface corresponding to the rake claws, the rake claws can penetrate through the avoiding through holes, the rake claws are of columnar structures, the end parts of the rake claws are passivated, and the edges of the end parts of the rake claws are in fillet transition. A return mechanism is arranged between the opening and closing rod and the lifting seat, the return mechanism adopts a return torsion spring 14, and the return torsion spring is arranged to facilitate the return of the opening and closing rod after the opening and closing rod is separated from the deflection shifting block; the opening and closing rod enables the rake claws on the traction rake to extend out of the avoiding through holes on the installation box under the action of the return torsion spring. A guide seat 15 is arranged in the installation box, a plurality of guide rods 16 are arranged on the guide seat, and a lifting seat is slidably arranged on the guide rods. The lifting seat is lifted on the guide rod, and the lifting is stable and reliable.

The driving assembly comprises a transmission shaft 17 and a plurality of driving shafts 18, the driving shafts are arranged on the transmission shaft, the driving shafts are arranged in the installation box, and the lifting driving block and the deflection shifting block are arranged on the driving shafts; be equipped with roof 19 on the lift seat, the slope of roof lower surface sets up, and the drive shaft rotates and makes the lift drive piece top upwards jack-up with the lift seat on the roof, and the drive shaft rotates and makes the shifting block that deflects butt to the pole that opens and shuts, and the tractive harrow of the pole upper end that opens and shuts contracts from the install bin outside-in. The lifting driving blocks between the adjacent traction units are arranged in a circumferentially staggered manner, and the deflection shifting blocks between the adjacent traction units are arranged in a circumferentially staggered manner.

Four traction units are arranged in each traction mechanism in the embodiment, four lifting driving blocks and four deflection shifting blocks are arranged on a corresponding driving shaft, the four lifting driving blocks are uniformly distributed along the circumferential direction of the driving shaft, and the four deflection shifting blocks are uniformly distributed along the circumferential direction of the driving shaft.

An arc-shaped sliding groove 20 is formed in the position, corresponding to the deflection shifting block, of the driving shaft, and one end of the deflection shifting block is slidably mounted in the arc-shaped sliding groove; a lightening hole 21 is arranged on the deflection shifting block close to one side edge. The deflection shifting block is of a fan-shaped structure, if the central angle corresponding to the arc-shaped sliding groove is 200 degrees, and the 90 degrees occupied by the connecting part of the deflection shifting block and the arc-shaped sliding groove are subtracted, the swingable range of the deflection shifting block is 110 degrees. The driving shaft is fixedly connected with the transmission shaft, and a driving motor for driving the transmission shaft to rotate is arranged on the mounting frame.

A rotatable adjusting rod 22 is arranged in the mounting box, an elastic piece 23 is connected to the lifting seat, a pull rope 24 is connected between the elastic piece and the adjusting rod, and the pull rope is wound on the adjusting rod. The elastic component in this embodiment adopts the spring, adjusts the pole and can manually rotate, also can drive through the motor and rotate. The adjusting rods on all the installation boxes can be connected into a long rod, so that synchronous rotation is facilitated.

A rotatable stopping piece 25 is arranged in the installation box, and the stopping piece can be abutted to the opening and closing rod to enable the drawing harrow at the upper end of the opening and closing rod to retract from the outside to the inside of the installation box. The main shaft 26 is arranged on the mounting frame, the resting parts are all fixedly connected with the main shaft, and the main shaft deflects to drive all the resting parts to synchronously deflect. The stop member is in a strip-shaped plate-shaped structure, the stop member is arranged below the driving shaft, one end of the driving shaft is connected with the forward rotation gear 27, one end of the main shaft is connected with the reverse rotation gear 28, one-way bearings are respectively arranged between the driving shaft and the forward rotation gear and between the main shaft and the reverse rotation gear, the driving gear 29 is in meshing transmission between the forward rotation gear and the reverse rotation gear, and the driving motor is in transmission connection with the driving gear, so that the driving shaft or the main shaft is driven to rotate. When the main shaft is driven to rotate, the main shaft only needs to deflect by an angle, and does not need to rotate through a whole circle. An in-place sensor can be arranged in the installation box, and when the in-place sensor detects that the rest part is deflected in place, the driving motor stops rotating.

When the drawing device of the flat knitting machine works, the lifting driving block on the driving assembly drives the lifting seat to move, and the deflection shifting block on the driving assembly drives the opening and closing rod to rotate. The lifting seat is lifted to drive the traction harrow to lift, the deflection shifting block drives the opening and closing rod to rotate, so that the traction harrow moves downwards when extending out of the installation box, and the traction harrow is contacted with the fabric to draw the fabric. Because a plurality of traction mechanisms are arranged on the mounting frame at intervals, a plurality of traction units are installed in each traction mechanism, and each traction unit is independent, the pace of each traction unit can be independently set, different traction units can synchronously traction and asynchronously traction, one part of traction units can synchronously traction firstly, and the other part of traction units can synchronously traction later, so that the segmented and layered traction of the fabric can be realized. The fabric can be drawn in a double-sided way, a single-sided way or a certain part of the single-sided way, even a single way, so that the local independent drawing of the fabric is realized, and the fabric drawing machine is particularly suitable for full-forming knitting machinery. The drawing device of the flat knitting machine can draw the fabric in a segmented and layered manner, and has a good drawing effect.

Example 2: a flat knitting machine traction device (see attached figure 6) has a structure and a principle similar to any one of embodiments 1, 3, 4, 5 and 7 of the application, and is mainly characterized in that a driving assembly in the embodiment comprises a transmission shaft and a plurality of driving shafts, the driving shafts are arranged on the transmission shaft, a driving shaft is arranged in an installation box, and a lifting driving block and a deflection shifting block are arranged on the driving shafts; be equipped with rack 30 on the lift seat, be equipped with one section curved meshing tooth 31 on the lift drive block, meshing tooth and rack adaptation, the drive shaft rotates and makes the meshing tooth drive rack rebound, and the drive shaft rotates and makes the shifting block butt that deflects to the pole that opens and shuts, and the tractive harrow of pole upper end that opens and shuts contracts from the install bin outside-in.

Example 3: a pulling device of a flat knitting machine (see figure 7) can be similar to any other embodiment of the application in structure and principle, and mainly has the difference that a mounting frame and a resting piece are correspondingly provided with a resting motor 37 used for driving the resting piece to rotate one by one, the resting piece is rotatably arranged in a mounting box and eccentrically rotates, one end of the resting piece is provided with a turbine 38, an output shaft of the resting motor is connected with a worm 39, and the worm is in transmission connection with the turbine.

Example 4: the utility model provides a flat knitting machine tractive device (see attached figure 8), its structure, principle can be similar with any other embodiment of this application, and the main difference lies in that the drive shaft all can rotate to be installed on the transmission shaft in this embodiment, all corresponds with every drive shaft on the mounting bracket and installs one and be used for driving drive shaft pivoted driving motor, is equipped with the worm on the last output shaft of driving motor, and drive shaft one end is equipped with the turbine, and the worm is connected with the turbine transmission.

Example 5: a flat knitting machine traction device (see figure 9) can be similar to any other embodiment of the application in structure and principle, and mainly has the difference that a lifting seat is connected with a counterweight rope 32, and the counterweight rope is connected with a counterweight block 33 in the embodiment.

Example 6: the utility model provides a flat knitting machine tractive device (see figure 10), its structure, principle can be similar with any one in embodiment 1 of this application, 3, 5, and the main difference lies in that drive assembly includes first pivot 34, second pivot 35 in this embodiment, connects a plurality of drive belts 36 between first pivot and the second pivot, and the drive belt sets up with the tractive unit one-to-one, and lift drive piece and deflection shifting block all set up on the drive belt surface, and the setting is staggered to lift drive piece and deflection shifting block on the drive belt. The lifting driving block can be abutted to the lifting seat to jack the lifting seat upwards, the deflection shifting block can be abutted to the opening and closing rod to rotate, and the drawing rake at the upper end of the opening and closing rod retracts from the outside to the inside of the installation box. The first rotating shafts are driven by the driving motor to rotate, all the first rotating shafts can be fixedly connected to the same transmission shaft, and one driving motor drives the transmission shafts to rotate, so that the synchronous rotation of all the first rotating shafts is realized; the first rotating shaft can also be driven to rotate by one driving motor, so that the first rotating shaft can be controlled to rotate independently.

Example 7: a pulling device of a flat knitting machine (see figure 11) has a structure and a principle similar to any one of embodiments 1, 2, 3, 4 and 5 of the application, and is mainly different in that a driving assembly in the embodiment comprises a first rotating shaft and a second rotating shaft, a lifting driving block is installed on the first rotating shaft, and a deflection shifting block is installed on the second rotating shaft. The first rotating shaft is in transmission connection with the second rotating shaft bracket. All the first rotating shafts can be fixedly connected to the same transmission shaft, and the transmission shaft is driven to rotate by one driving motor, so that the synchronous rotation of all the first rotating shafts is realized; the first rotating shaft can also be driven to rotate by one driving motor, so that the first rotating shaft can be controlled to rotate independently.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.