CN209975065U

CN209975065U - Flat knitting machine head and flat knitting machine

Info

Publication number: CN209975065U
Application number: CN201920204960.8U
Authority: CN
Inventors: 傅建新; 朴松林; 陈德伟
Original assignee: ZHEJIANG FENGFAN NC MACHINERY CO Ltd
Current assignee: ZHEJIANG FENGFAN NC MACHINERY CO Ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-01-21
Anticipated expiration: 2029-02-15

Abstract

The utility model discloses a flat knitting machine's aircraft nose and flat knitting machine, belong to the flat knitting machine field, the aircraft nose includes the base plate, bottom plate and at least a set of degree mesh triangle mechanism, the bottom surface of base plate is located to the bottom plate, every group degree mesh triangle mechanism all includes the motor, the structure is adjusted in the transmission, degree mesh triangle and control element, the motor is located on the base plate and is connected with the control element electricity, the transmission is adjusted the structure and is located between base plate and the bottom plate, degree mesh triangle is located on the bottom surface of bottom plate and is connected in the transmission and adjust the structure, degree mesh triangle includes left degree mesh triangle and right degree mesh triangle, the motor during operation is adjusted the structure drive degree mesh triangle through the transmission and is removed on. Can be according to weaving the requirement adjust participate in weave the degree mesh triangle of degree mesh triangle mechanism can, effectively reduce the aircraft nose and adopt the invalid action of weaving when multiunit degree mesh triangle mechanism, be favorable to improving the quality of knitting, drive resistance when can also effectively reducing the motor and adjust is favorable to improving the validity and the accuracy of adjusting.

Description

Flat knitting machine head and flat knitting machine

Technical Field

The utility model relates to a flat knitting machine technical field especially relates to a flat knitting machine's aircraft nose, in addition, the utility model discloses still relate to the flat knitting machine who adopts this kind of aircraft nose.

Background

The working principle of the existing flat knitting machine is that a knitting needle makes regular lifting motion to enable yarn to complete actions of yarn laying, closing, looping, yarn bending, knocking over, looping and the like so as to knit the yarn into a braided fabric, and in the lifting process of the knitting needle, a coil gradually withdraws from a needle hook and opens a needle latch which is hung on a needle rod. During the descending process of the knitting needle, the needle hook hooks the yarn of the new pad and pulls the yarn to form a new coil, meanwhile, the original coil is separated from the needle hook, the new coil is connected with the original coil in series, and a plurality of coils knitted by a plurality of knitting needles are mutually connected to form a braided fabric.

The stitch structure on the machine head is a structure for controlling the stroke length when the knitting needle is lifted back and forth, and influences the density of the knitted fabric, namely the number of loops of the knitted fabric in a unit area. Limited by the adjustment range of the stitch structure, the existing stitch structure can not meet the density requirement of the braided fabric at present, so that the tightly-braided stitch control structure with the auxiliary stitch structure is produced.

The existing known tight knitting stitch control structure generally shares one group of driving mechanisms for a plurality of groups of stitch structures, and when the plurality of groups of stitch structures carry out different knitting actions, the invalid actions of knitting needles are more, which can affect the quality of the knitted fabric to a great extent. In addition, under the influence of factors such as machining precision and assembling precision, when a plurality of groups of stitch structures share one group of driving mechanisms, the resistance of the driving mechanisms during working is large, the driving effect can be seriously influenced, and faults are easier to occur during driving.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and deficiencies existing in the prior art, the utility model provides a flat knitting machine head with good driving and adjusting effects.

In order to realize the technical purpose, the utility model provides a flat knitting machine's aircraft nose, including base plate, bottom plate and at least a set of degree mesh triangle mechanism, the bottom surface of base plate is located to the bottom plate, every group degree mesh triangle mechanism all includes motor, transmission regulation structure, degree mesh triangle and is used for the control element of control motor, the motor is located on the base plate and is connected with the control element electricity, the transmission is adjusted the structure and is located between motor and the degree mesh triangle, the degree mesh triangle is located on the bottom surface of bottom plate and is connected in the transmission and adjust the structure, the degree mesh triangle includes left degree mesh triangle and the right degree mesh triangle that set up along the horizontal interval of bottom plate, the motor during operation is adjusted structure drive degree mesh triangle through the transmission and is removed on the bottom surface.

Preferably, be equipped with the left spout that corresponds with left degree mesh triangle and the right spout that corresponds with right degree mesh triangle on the bottom plate, left spout and right spout symmetry set up and the homogeneous phase sets up for the horizontal slope of bottom plate, and the structure is adjusted including locating the left slider in the left spout and locating the right slider in the right spout to the transmission, and left slider is connected in left degree mesh triangle, and right slider is connected in right degree mesh triangle.

Preferably, the transmission adjusting structure further comprises a slide bar which is driven by the motor to horizontally move back and forth along the bottom plate, the slide bar is provided with a left transmission groove and a right transmission groove which are symmetrically arranged, at least part of the left transmission groove and part of the right transmission groove are arranged in a transverse inclination mode relative to the bottom plate, the left slider is provided with a left transmission part matched with the left transmission groove, and the right slider is provided with a right transmission part matched with the right transmission groove.

Preferably, the left transmission part comprises a left transmission pin connected with the left sliding block and a left rolling sleeve sleeved on the left transmission pin, and the left rolling sleeve is arranged in the left transmission groove; the right driving medium comprises a right driving pin connected with the right sliding block and a right rolling sleeve sleeved on the right driving pin, and the right rolling sleeve is arranged in the right driving groove.

Preferably, the left transmission groove and the right transmission groove respectively comprise a flat groove part and a chute part which are communicated, the length direction of the flat groove part is consistent with the transverse direction of the bottom plate, and the chute part is obliquely arranged relative to the flat groove part.

Preferably, the transmission adjusting structure further comprises a positioning seat arranged on the top surface of the bottom plate, the positioning seat is provided with a positioning groove which is transversely arranged along the bottom plate and is matched with the slide bar, and the slide bar is arranged in the positioning groove.

Preferably, the top surface of the positioning seat is provided with a limiting block, and the slide bar is located between the limiting block and the positioning groove.

Preferably, the motor includes the motor shaft, and transmission adjustment structure still includes intermeshing's gear and rack, and on the gear sleeve located the motor shaft, the rack was connected with the draw runner.

Preferably, the top surface of the bottom plate is provided with a left cover plate and a right cover plate, the widths of the left cover plate and the right cover plate are larger than those of the left sliding groove and the right sliding groove, the left cover plate is connected to the left sliding block, and the right cover plate is connected to the right sliding block.

The utility model also provides a flat knitting machine, include the needle bed base and locate the needle bed on the needle bed base, flat knitting machine still includes the flat knitting machine's of above-mentioned record aircraft nose, and the aircraft nose is located on the needle bed.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a flat knitting machine's aircraft nose has improved current flat knitting machine's aircraft nose, and every group degree mesh triangle mechanism has all set up the motor that is used for adjusting this group degree mesh triangle, can adjust the degree mesh triangle that the structure adjusted to correspond through control element, motor and transmission according to the concrete requirement of weaving, effectively reduces the invalid action of weaving when the aircraft nose adopts multiunit degree mesh triangle mechanism, is favorable to improving the quality of knitting. In addition, when a plurality of groups of stitch cam mechanisms arranged on the same machine head do not participate in knitting, only the stitch cam mechanisms participating in knitting can be adjusted. Moreover, because each set of stitch cam mechanism adopts an independent motor for adjustment, the driving resistance of the motor during adjustment can be effectively reduced, and the effectiveness and the accuracy of adjustment can be improved.

2. The bottom plate is provided with a sliding groove, the transmission adjusting structure comprises a sliding block arranged in the sliding groove, the motor can drive the sliding block to move in the sliding groove when working, the sliding groove is arranged for the transverse inclination of the bottom plate, the sliding block can drive the stitch cam to carry out lifting adjustment on the bottom surface of the bottom plate when the sliding block is inclined and moved relative to the transverse direction of the bottom plate in the sliding groove, the purpose of lifting stroke when knitting needles are knitted in a knitting area is adjusted through adjusting the height of the stitch cam, and therefore the purpose of adjusting the stitch density of the knitted fabric is achieved.

3. The driving medium that connects in the slider is set up in the drive groove of draw runner, and the draw runner can drive the slider and remove in the spout through the driving medium when making a round trip to translate, realizes the transmission between draw runner and the slider through the driving medium, ensures that the regulation purpose can realize smoothly.

4. The driving medium specifically adopts the structure of driving pin and roller combination, simple structure, and the equipment of being convenient for can change the sliding friction between driving pin and the driving groove inner wall into the rolling friction between roller and the driving groove inner wall through the roller, reduces the frictional force between draw runner and the driving pin greatly, is favorable to reducing the draw runner and drives the degree of difficulty that the slider removed in the spout to drive effect when being favorable to further improving degree mesh triangle mechanism and adjusting.

5. All set up the chute part that sets up for the horizontal slope of bottom plate on left side transmission groove and the right transmission groove, the draw runner removes the in-process and can drive the slider through the cooperation of chute part with the driving medium and remove in the spout, and the slider drives degree mesh triangle when removing in the spout and rises or descends for the bottom plate, realizes the purpose of adjusting degree mesh triangle body height.

6. The transmission adjusting structure is further additionally provided with a positioning seat positioned on the top surface of the bottom plate, the slide bar is arranged in the positioning groove in the positioning seat, and the positioning groove has a limiting effect on the slide bar, so that the slide bar can only move back and forth along the length direction of the positioning groove, and the stability and the accuracy of the movement of the slide bar are improved.

7. The top surface of positioning seat sets up the stopper, makes the draw runner receive spacingly in vertical through the stopper, avoids the draw runner to lead to breaking away from the condition of constant head tank because of taking place vertical beating when adjusting, further improves the stability of draw runner.

8. The transmission between the motor and the sliding strip is realized through the matching of the gear and the rack, the reciprocating rotation of the motor shaft is adjusted into the reciprocating movement of the sliding strip along the transverse direction of the bottom plate through the matching of the gear and the rack, and the transmission of the power meets the adjusting requirement of the stitch cam mechanism.

9. The top surface of bottom plate has been added and has been established left cover plate and right cover plate, enables left slider to be located left spout all the time through left cover plate and left degree mesh triangle, enables right slider to be located right spout all the time through right cover plate and right degree mesh triangle, effectively improves the stability of left slider and right slider to stability when being favorable to improving motor drive degree mesh triangle and removing.

Drawings

FIG. 1 is a partial structure diagram of a handpiece according to an embodiment of the present invention;

FIG. 2 is an exploded view of a part of a machine head according to an embodiment of the present invention;

fig. 3 is an exploded view of each set of stitch cam mechanism in a handpiece in accordance with an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a slider of a stitch cam mechanism in a handpiece of the present invention moving to the extreme position leftward;

fig. 5 is a schematic view of a partial structure of a slider of a stitch cam mechanism in a handpiece of the present invention moving to an intermediate position;

fig. 6 is a schematic view of a part of the structure when the slide bar of the stitch cam mechanism moves to the right to the limit position in a handpiece of the embodiment of the present invention.

In the figure, 100-substrate, 200-bottom plate, 210-left sliding chute, 220-right sliding chute, 300-mesh triangle mechanism, 310-motor, 320-mesh triangle, 321-left mesh triangle, 322-right mesh triangle, 330-control element, 340-gear, 350-rack, 360-sliding strip, 361-left transmission groove, 3611-left flat groove portion, 3612-left oblique groove portion, 362-right transmission groove, 3621-right flat groove portion, 3622-right oblique groove portion, 370 a-left transmission piece, 370 b-right transmission piece, 371-left transmission pin, 372-left rolling sleeve, 373-right transmission pin, 374-right rolling sleeve, 381-left sliding block, 382-right sliding block, 390-positioning seat, 391-positioning groove, 392-limiting block, 400-motor cabinet, 510-left cover plate, 520-right cover plate.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example one

As fig. 1, fig. 2, fig. 3 show, the embodiment of the utility model provides a pair of flat knitting machine's aircraft nose, including base plate 100, bottom plate 200 and at least a set of degree mesh triangle mechanism 300, bottom plate 200 locates the bottom surface of base plate 100, every group degree mesh triangle mechanism 300 all includes motor 310, the transmission is adjusted the structure, degree mesh triangle 320 and the control element 330 who is used for controlling motor 310, motor 310 locates on the base plate 100 and is connected with control element 330 electricity, the transmission is adjusted the structure and is located between motor and the degree mesh triangle, degree mesh triangle 320 locates on the bottom surface of bottom plate 200 and connects in the transmission and adjusts the structure, degree mesh triangle 320 includes left degree mesh triangle 321 and the right degree mesh triangle 322 that set up along the horizontal interval of bottom plate 200, motor 310 moves on the bottom surface of bottom plate 200 through transmission adjustment structure drive degree mesh triangle during operation.

Every group degree triangle mechanism has all set up the motor that is used for adjusting this group degree triangle, can adjust the degree triangle that the structure corresponds through control element, motor and transmission according to the concrete requirement of weaving, effectively reduces the invalid action of weaving when the aircraft nose adopts multiunit degree triangle mechanism, is favorable to improving the quality of knitting. In addition, when a plurality of groups of stitch cam mechanisms arranged on the same machine head do not participate in knitting, only the stitch cam mechanisms participating in knitting can be adjusted. Moreover, because each set of stitch cam mechanism adopts an independent motor for adjustment, the driving resistance of the motor during adjustment can be effectively reduced, and the effectiveness and the accuracy of adjustment can be improved.

In fig. 2 to 6, a direction indicated by X is defined as a transverse direction of the base plate 200 in the present embodiment, a direction indicated by Y is defined as a longitudinal direction of the base plate 200 in the present embodiment, and the direction indicated by Y is perpendicular to the direction indicated by X in a plane in which the base plate 200 is located.

In this embodiment, the motor 310 is fixed on the substrate 100 by the motor base 400, and the control unit 330 preferably adopts an encoder. Three sets of stitch cam mechanisms 300 are arranged on the machine head, and the three sets of stitch cam mechanisms 300 are arranged at even intervals along the X direction. When the machine head works, one group of stitch cam mechanisms 300 can participate in knitting, two groups of stitch cam mechanisms 300 can participate in knitting, and three groups of stitch cam mechanisms 300 can participate in knitting simultaneously.

In order to smoothly realize the purpose of moving and adjusting the mesh triangle 320 on the bottom surface of the bottom plate 200 through the transmission adjusting structure, the transmission adjusting structure of the embodiment includes a gear 340, a rack 350, a slide 360, a transmission member and a slider.

The bottom plate 200 is provided with a left chute 210 corresponding to the left stitch triangle 321 and a right chute 220 corresponding to the right stitch triangle 322, specifically, in this embodiment, the left chute 210 and the right chute 220 are symmetrically arranged in an inverted 'eight' -shape with respect to the Y direction, that is, the left chute 210 and the right chute 220 are both inclined with respect to the X direction. The slider is including locating left slider 381 in the left spout 210 and locating right slider 382 in the right spout 220, and left degree mesh triangle 321 passes through the fix with screw in the bottom of left slider 381, and right degree mesh triangle 322 passes through the fix with screw in the bottom of right slider 382.

The slide bar 360 is disposed on the bottom plate 200 and can move back and forth along the X direction, the slide bar 360 is disposed with a left transmission groove 361 corresponding to the left slider 381 and a right transmission groove 362 corresponding to the right slider 382, the left transmission groove 361 and the right transmission groove 362 are symmetrically disposed and at least partially disposed in an inclined manner relative to the X direction. The transmission member includes a left transmission member 370a and a right transmission member 370b, the left transmission member 370a is connected to the left slider 381 and engaged with the left transmission groove 361, and the right transmission member 370b is connected to the right slider 382 and engaged with the right transmission groove 362.

In this embodiment, in order to improve the stability of the slider, a left cover plate 510 and a right cover plate 520 are disposed on the top surface of the bottom plate 200. The width of the left cover plate 510 is greater than the width of the left sliding groove 210, the left cover plate 510 is fixed on the top of the left sliding block 381 through screws, and the left sliding block 381 is always located in the left sliding groove 210 through the positioning fit of the left stitch cam 321 and the left cover plate 510. The width of right cover plate 520 is greater than the width of right spout 220, and right cover plate 520 passes through the top of fix with screw in right slider 382, makes right slider 382 be located right spout 220 all the time through the location fit of right degree mesh triangle 322 and right cover plate 520. The left driving member 370a includes a left driving pin 371 fixed on the top of the left cover 510 and a left roller 372 sleeved on the left driving pin 371, the left roller 372 is in clearance fit with the left driving pin 371, and the left roller 372 is located in the left driving groove 361. The right transmission member 370b includes a right transmission pin 373 fixed on the top of the right cover plate 520 and a right roller 374 sleeved on the right transmission pin 373, the right roller 374 is in clearance fit with the right transmission pin 373 and the right roller 374 is located in the right transmission groove 362. The left driving groove 361 includes a left flat groove portion 3611 and a left inclined groove portion 3612 which are communicated with each other, specifically, one end of the left driving groove 361 far away from the right driving groove 362 is the left flat groove portion 3611 with the length direction being consistent with the X direction, and one end of the left driving groove 361 near the right driving groove 362 is the left inclined groove portion 3612 with the length direction being inclined relative to the X direction. The right driving groove 362 includes a right flat groove portion 3621 and a right inclined groove portion 3622 which are communicated with each other, specifically, one end of the right driving groove 362 far away from the left driving groove 361 is the right flat groove portion 3621 with the length direction being consistent with the X direction, and one end of the right driving groove 362 near the left driving groove 361 is the right inclined groove portion 3622 with the length direction being inclined relative to the X direction. The left chute portion 3612 and the right chute portion 3622 are symmetrically arranged in a "chevron" shape with respect to the Y direction.

In order to improve the stability of the slide 360, the transmission adjusting structure further includes a positioning seat 390 fixed on the top surface of the bottom plate 200, the positioning seat 390 is provided with positioning grooves 391 arranged along the X direction and matched with the slide 360, and the slide 360 is disposed in the positioning grooves 391. In order to further improve the stability of the slide 360, the top surface of the positioning seat 390 is provided with a limiting block 392, and the slide 360 is limited between the limiting block 392 and the positioning groove 391. In this embodiment, two limiting blocks 392 are disposed on the positioning seat 390 and spaced apart from each other in the X direction.

The motor 310 includes a motor shaft facing the base plate 200, the gear 340 is fixedly sleeved on the motor shaft, the rack 350 is engaged with the gear 340, the length direction of the rack 350 is consistent with the X direction, and the rack 350 is fixed on the slide bar 360 through a screw.

The embodiment also provides a flat knitting machine, which comprises a needle bed base, a needle bed arranged on the needle bed base and the machine head of the flat knitting machine, wherein the machine head is arranged on the needle bed.

When the loop density of the knitted fabric needs to be adjusted, the control element 330 receives an adjusting instruction and then commands the motor 310 to work, when the motor 310 works, the motor shaft rotates to drive the gear 340 to synchronously rotate, the gear 340 drives the slide bar 360 to move back and forth along the X direction through meshing with the rack 350 when rotating, the slide bar 360 can drive the slider to move in the sliding groove through the matching between the transmission part and the transmission groove when moving back and forth, the slider can drive the stitch cam 320 to move relative to the bottom plate 200 when moving, because the sliding groove is obliquely arranged relative to the X direction, the stitch cam 320 can move upwards in the Y direction when moving, the height of the stitch cam on the machine head is adjusted, the purpose of adjusting the lifting stroke of the knitting needles in the knitting area during knitting is achieved through adjusting the height of the stitch cam, and the purpose of adjusting the loop density of.

Referring to fig. 4, when the slide 360 is driven by the motor 310 to move to the left to the limit position, the left driving pin 371 is located at the highest position in the left inclined groove 3612, the right driving pin 373 is located at the end part in the right flat groove 3621, and the left slider 381 is higher than the right slider 382, and at this time, the left stitch cam 321 participates in the action of driving the knitting needle to move up and down during knitting.

Referring to fig. 5, when the slider 360 moves to the middle position under the driving of the motor 310, the left driving pin 371 is located at the transition between the left inclined groove portion 3612 and the left flat groove portion 3611, the right driving pin 373 is located at the transition between the right inclined groove portion 3622 and the right flat groove portion 3621, the left slider 381 and the right slider 382 are at the same height, and the left stitch cam 321 or the right stitch cam 322 participates in the movement of driving the knitting needle to move up and down during the knitting.

Referring to fig. 6, when the slide 360 is driven by the motor 310 to move to the right to the limit position, the left driving pin 371 is located at the end inside the left flat groove 3611, the right driving pin 373 is located at the highest position inside the right inclined groove 3622, and the right slider 382 is higher than the left slider 381, and at this time, the right stitch cam 322 participates in the action of driving the knitting needle to move up and down during knitting.

It should be understood that the number of sets of the on-head stitch cam mechanism 300 is not limited to the above description or the drawings, and the number of the on-head stitch cam mechanism 300 may be a reasonable number such as one set, two sets, or four sets.

It will be appreciated that other suitable controls may be used for the control element 330.

It is understood that the structure of the flat knitting machine of the embodiment other than the head can adopt the specific structure of the existing flat knitting machine.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims

1. The utility model provides a flat knitting machine's aircraft nose, includes base plate, bottom plate and at least a set of degree mesh triangle mechanism, the bottom surface of base plate is located to the bottom plate, a serial communication port, every group degree mesh triangle mechanism all includes motor, transmission regulation structure, degree mesh triangle and is used for the control element of control motor, the motor is located on the base plate and is connected with the control element electricity, the transmission is adjusted the structure and is located between motor and the degree mesh triangle, the degree mesh triangle is located on the bottom surface of bottom plate and is connected in the transmission and adjust the structure, degree mesh triangle includes left degree mesh triangle and the right degree mesh triangle that set up along the horizontal interval of bottom plate, the motor during operation is adjusted structure drive degree mesh triangle through the transmission and is removed on the bottom.

2. The head of the flat knitting machine according to claim 1, wherein the bottom plate is provided with a left sliding groove corresponding to the left stitch cam and a right sliding groove corresponding to the right stitch cam, the left sliding groove and the right sliding groove are symmetrically arranged and are both arranged in a laterally inclined manner with respect to the bottom plate, the transmission adjusting structure includes a left slider disposed in the left sliding groove and a right slider disposed in the right sliding groove, the left slider is connected to the left stitch cam, and the right slider is connected to the right stitch cam.

3. The head of a flat knitting machine according to claim 2, characterized in that the transmission adjusting structure further comprises a slide bar which is driven by the motor to move back and forth along the transverse direction of the bottom plate, the slide bar is provided with a left transmission groove and a right transmission groove which are symmetrically arranged, at least a part of the left transmission groove and the right transmission groove is obliquely arranged relative to the transverse direction of the bottom plate, the left slider is provided with a left transmission member which is matched with the left transmission groove, and the right slider is provided with a right transmission member which is matched with the right transmission groove.

4. The head of the flat knitting machine according to claim 3, wherein the left transmission member includes a left transmission pin connected to the left slider and a left roller fitted over the left transmission pin, the left roller being disposed in the left transmission groove; the right driving medium comprises a right driving pin connected with the right sliding block and a right rolling sleeve sleeved on the right driving pin, and the right rolling sleeve is arranged in the right driving groove.

5. The head of the flat knitting machine according to claim 3, wherein each of the left and right driving grooves includes a flat groove portion and a diagonal groove portion communicating with each other, a length direction of the flat groove portion coincides with a lateral direction of the base plate, and the diagonal groove portion is disposed obliquely with respect to the flat groove portion.

6. The head of a flat knitting machine according to claim 3, wherein said drive adjusting structure further comprises a positioning seat provided on the top surface of the base plate, the positioning seat being provided with positioning grooves arranged in the lateral direction of the base plate and engaged with the slide, the slide being provided in the positioning grooves.

7. The head of the flat knitting machine as claimed in claim 6, wherein the positioning seat has a stopper on a top surface thereof, and the slider is located between the stopper and the positioning groove.

8. The head of the flat knitting machine according to claim 3, wherein the motor includes a motor shaft, the transmission adjusting structure further includes a gear and a rack engaged with each other, the gear is sleeved on the motor shaft, and the rack is connected with the slider.

9. The head of the flat knitting machine according to any one of claims 2 to 8, wherein a left cover plate and a right cover plate having a width larger than that of the left and right sliding grooves are provided on the top surface of the bottom plate, the left cover plate is connected to the left slider, and the right cover plate is connected to the right slider.

10. A flat knitting machine comprising a needle bed base and a needle bed provided on the needle bed base, characterized in that the flat knitting machine further comprises a head of the flat knitting machine according to any one of claims 1 to 9, the head being provided on the needle bed.