CN107574558B - Yarn pressing device of computer flat knitting machine - Google Patents
Yarn pressing device of computer flat knitting machine Download PDFInfo
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- CN107574558B CN107574558B CN201710976024.4A CN201710976024A CN107574558B CN 107574558 B CN107574558 B CN 107574558B CN 201710976024 A CN201710976024 A CN 201710976024A CN 107574558 B CN107574558 B CN 107574558B
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Abstract
A yarn pressing device of a computer flat knitting machine comprises a machine head, wherein the machine head is provided with a machine head inner side plate; the sinker guide rail fixing seat is fixed with the right side of the inner side plate of the machine head, and the yarn pressing device comprises a yarn pressing plate driving motor which is fixed on the machine head; the yarn pressing plate fixing seat traction mechanism is hinged with the motor fixing seat and is connected with a motor shaft of a yarn pressing plate driving motor; the yarn pressing plate fixing seat supporting mechanism is fixed with the right side of the inner side plate of the machine head; the upper end of the yarn pressing plate fixing seat is hinged with the yarn pressing plate fixing seat traction mechanism, and the lower end of the yarn pressing plate fixing seat is hinged with the yarn pressing plate fixing seat supporting mechanism; the upper end of the yarn pressing plate and one side of the yarn pressing plate fixing seat back to the yarn pressing plate fixing seat supporting mechanism are fixed, and the lower end of the yarn pressing plate is provided with a yarn pressing claw; and the yarn pressing plate position state response mechanism is arranged on the machine head at a position corresponding to the left front part of the yarn pressing plate driving motor. The filling yarns are prevented from floating upwards, the weaving mechanism is guaranteed to weave smoothly, and the quality of woven products is improved.
Description
Technical Field
The invention belongs to the technical field of knitting machinery, and particularly relates to a yarn pressing device of a computer flat knitting machine.
Background
The aforementioned yarn pressing device may also be referred to as a "filling yarn pressing device" (hereinafter the same). As is known in the art, for knitting certain bulky high basis weight specialty fabrics with padding, such as for use in knee wraps, wristbands, leg pads, cushions, and the like, there is both a yarn fill portion and a knit portion and the fill portion is enclosed or enveloped by the knit portion. The filling part feeds the filling yarn to the filling sleeve (also called bag sleeve) which is being knitted and formed by the knitting mechanism at the back position of the knitting needle by the filling yarn feeding nozzle, after the filling of the filling sleeve is completed, the filling yarn feeding nozzle is temporarily withdrawn, the knitting mechanism continues to work, the filling sleeve is sealed and a transitional knitting section which is required by the knitting process and aims at connecting the upper and the lower adjacent filling sleeves is continued, and the process is repeated to knit a plurality of products such as the knee pad, the wrist pad, the leg pad and the cushion with the cross section in a plurality of mutually-connected 8-shaped structures.
When the filling yarn is fed into the filling sleeve by the filling yarn feeding nozzle, the floating situation of the filling yarn often occurs, even the floating yarn can cross over the back of the knitting needle and enter the front of the knitting needle, so that the interference influence is generated on the normal knitting of the knitting mechanism, the influence is generated on the quality of a knitted product, and the scrapping and resource waste are caused in serious cases. The problem of avoiding floating of the filling yarn to ensure the quality of the woven product has long been troubled and desired to be solved, but there is no reference in the prior art and the non-patent literature.
In view of the above prior art, the applicant has made a durable and beneficial design, which will eventually form the solution described below and prove feasible by computer simulation tests with security measures.
Disclosure of Invention
The invention aims to provide a yarn pressing device of a computer flat knitting machine, which is beneficial to pressing down filling yarns fed into a filling sleeve woven by a knitting mechanism by a filling yarn feeding nozzle so as to prevent the filling yarns from floating upwards, ensure that the knitting mechanism can smoothly knit and improve the quality of a knitted product.
The task of the invention is completed by the yarn pressing device of the computer flat knitting machine, the computer flat knitting machine comprises a head, a yarn guide plate and a yarn guide plate, wherein the head is provided with a head inner side plate; the sinker guide rail fixing seat is fixed with the right side of the inner side plate of the machine head, the yarn pressing device comprises a yarn pressing plate driving motor, and the yarn pressing plate driving motor is fixed on the machine head through the motor fixing seat; the yarn pressing plate fixing seat traction mechanism is hinged with the motor fixing seat and is connected with a motor shaft of a yarn pressing plate driving motor; the yarn pressing plate fixing seat supporting mechanism is fixed with the right side of the machine head inner side plate at a position corresponding to the upper part of the sinker guide rail fixing seat; the upper end of the yarn pressing plate fixing seat is hinged with the yarn pressing plate fixing seat traction mechanism, and the lower end of the yarn pressing plate fixing seat and the side, facing the yarn pressing plate fixing seat supporting mechanism, of the yarn pressing plate fixing seat are hinged with the yarn pressing plate fixing seat supporting mechanism; the upper end of the yarn pressing plate and one side of the yarn pressing plate fixing seat back to the yarn pressing plate fixing seat supporting mechanism are fixed, and the lower end of the yarn pressing plate is provided with a yarn pressing claw; and the yarn pressing plate position state response mechanism is arranged on the machine head at a position corresponding to the left front part of the yarn pressing plate driving motor.
In a specific embodiment of the invention, the motor fixing seat is in an L-shape, the yarn pressing plate driving motor is fixed to the upper part of the motor fixing seat in a horizontal state by a motor fixing screw, the lower part of the motor fixing seat is fixed to the machine head by a motor fixing seat screw, an upper connecting rod hinge seat is formed on the motor fixing seat, the yarn pressing plate fixing seat traction mechanism is hinged to the upper connecting rod hinge seat, a tension spring is connected between the yarn pressing plate fixing seat traction mechanism and the yarn pressing plate fixing seat supporting mechanism, a pair of lower connecting rod hinge seats corresponding to each other in position extend from the lower end of the yarn pressing plate fixing seat and towards one side of the yarn pressing plate fixing seat supporting mechanism, the lower connecting rod hinge seat is hinged to the yarn pressing plate fixing seat supporting mechanism, a response mechanism fixing screw hole is formed in the machine head, and the yarn pressing plate position response mechanism is fixed to the machine head at a position corresponding to the response mechanism fixing screw hole.
In another specific embodiment of the present invention, the yarn pressing plate fixing seat traction mechanism includes a swing arm, a traction link, a traction transition connecting seat and an upper link, the middle of the swing arm is sleeved on a motor shaft of the yarn pressing plate driving motor and is locked by a swing arm locking screw, a signal responder trigger head is arranged on the front side of the left end of the swing arm, one end of the traction link facing the swing arm is hinged with the front side of the right end of the swing arm through a traction link hinge pin, one end of the upper link facing the upper link hinge seat is hinged with the upper link hinge seat through an upper link hinge pin, the traction link and one end of the upper link facing the traction transition connecting seat are coaxially hinged with the traction transition connecting seat through a traction transition connecting seat pin arranged on the traction transition connecting seat, the upper end of the yarn pressing plate fixing seat is hinged with the traction transition connecting seat through a yarn pressing plate hinge pin, the yarn pressing plate position state response mechanism corresponds to the signal responder trigger head, the upper end of the tension spring is hung on the traction transition connecting seat pin, and the lower end of the tension spring is hung on the yarn pressing plate fixing seat supporting mechanism.
In another specific embodiment of the present invention, the yarn pressing plate fixing seat supporting mechanism includes a lower link connecting seat and a lower link, the lower link connecting seat is fixed to the machine head inner side plate of the machine head by a lower link connecting seat fixing screw, and a lower link support is formed on a side of the lower link connecting seat opposite to the machine head inner side plate, one end of the lower link facing the lower link connecting seat is hinged to the lower link support by a lower link first hinge shaft, one end of the lower link facing the yarn pressing plate fixing seat is hinged to the lower link hinge seat by a lower link second hinge shaft, and a lower end of the tension spring is hung on the lower link support.
In another specific embodiment of the present invention, a tension spring hanging screw hole is formed on the lower link support at a position corresponding to a lower end of the tension spring, a tension spring hanging screw is provided on the tension spring hanging screw hole, and a lower end of the tension spring is hung on the tension spring hanging screw.
In a further specific embodiment of the invention, a pair of yarn pressing plate adjusting grooves are arranged at the upper end of the yarn pressing plate at intervals, and a yarn pressing plate adjusting and fixing screw is respectively arranged on the pair of yarn pressing plate adjusting grooves and is fixed with the yarn pressing plate fixing seat.
In a more specific embodiment of the present invention, the yarn presser position state responding mechanism includes a signal responder bracket fixed to the head at a position corresponding to the responding mechanism fixing screw hole by a signal responder bracket fixing screw, a first position signal responder and a second position signal responder bracket fixed to a side of the yarn presser driving motor toward which the yarn presser bracket rotates counterclockwise by the motor shaft and rotates to an extent that the signal responder trigger head corresponds to the first position signal responder, the yarn presser tilts upward to exit the yarn pressing state and simultaneously the first position signal responder feeds back a signal to the electrical controller of the computerized flat knitting machine, and when the swing arm rotates clockwise by the motor shaft and rotates to an extent that the signal responder trigger head corresponds to the second position signal responder, the yarn presser returns downward to enter the yarn pressing working state and simultaneously the second position signal responder feeds back a signal to the electrical controller.
In a further specific embodiment of the invention, a limiting rod is fixed on the side of the signal responder bracket facing the yarn pressing plate driving motor and at a position corresponding to the swing arm in a state of being perpendicular to the signal responder bracket.
In yet another specific embodiment of the present invention, the first position signal responder and the second position signal responder are position proximity switches.
In yet another specific embodiment of the present invention, the yarn pressing plate driving motor is a motor with a forward and reverse rotation function.
The technical scheme provided by the invention is that a yarn pressing plate driving motor arranged on a machine head drives a yarn pressing plate fixing seat traction mechanism, the yarn pressing plate fixing seat which is hinged with a yarn pressing plate fixing seat supporting mechanism is driven by the yarn pressing plate fixing seat traction mechanism, the yarn pressing plate is driven by the yarn pressing plate fixing seat, when the yarn pressing plate driving motor works anticlockwise, the yarn pressing plate exits a yarn pressing state, and when the yarn pressing plate works clockwise, the yarn pressing plate enters a yarn pressing working state, filling yarns fed into a filling sleeve woven by a weaving mechanism by a filling yarn feeding nozzle are pressed downwards, the filling yarns are prevented from floating upwards, the smooth weaving of the weaving mechanism can be ensured, and the quality of woven products can be improved.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Fig. 2 is a schematic view illustrating an application of the present invention.
FIG. 3 is a schematic illustration of a product with a fill yarn.
Detailed Description
In order to make the technical spirit and advantages of the present invention more clearly understood, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the inventive concept, which are merely in form and are not essential, should be considered as the technical scope of the present invention.
In the following description, any concept relating to the directionality or orientation of up, down, left, right, front and rear is described in terms of the position of the drawing being described, and thus should not be construed as particularly limiting the technical solution provided by the present invention.
Referring to fig. 1, a head 1 of a computer flat knitting machine is shown, the head 1 has a head inner side plate 11; a sinker rail holder 2 is shown, which sinker rail holder 2 is fixed to the right side of the aforesaid head inner side plate 11 by means of sinker rail holder screws 21. According to the conventional knowledge, the inner handpiece plate is substantially the front handpiece plate of the handpiece 1, and the outer handpiece plate which is not mentioned is substantially the rear handpiece plate.
The yarn pressing device as the technical key point of the technical scheme provided by the invention comprises: a yarn pressing plate driving motor 3, the yarn pressing plate driving motor 3 is fixed on the machine head 1 through a motor fixing seat 32, namely the yarn pressing plate driving motor 3 is fixed with the motor fixing seat 32, and the motor fixing seat 32 is fixed with the machine head 1; the yarn pressing plate fixing seat traction mechanism 4 is hinged with the motor fixing seat 32 and is connected with a motor shaft 31 of a yarn pressing plate driving motor 3; a yarn pressing plate fixing seat supporting mechanism 5, wherein the yarn pressing plate fixing seat supporting mechanism 5 is fixed with the right side of the machine head inner side plate 11 at a position corresponding to the upper part of the sinker guide rail fixing seat 2; the upper end of the yarn pressing plate fixing seat 6 is hinged with the yarn pressing plate fixing seat traction mechanism 4, and the lower end of the yarn pressing plate fixing seat 6 and the side facing the yarn pressing plate fixing seat supporting mechanism 5 are hinged with the yarn pressing plate fixing seat supporting mechanism 5; a yarn pressing plate 7, the upper end of the yarn pressing plate 7 and one side of the yarn pressing plate fixing seat 6 back to the yarn pressing plate fixing seat supporting mechanism 5 are fixed, and a yarn pressing claw 71 is formed at the lower end of the yarn pressing plate 7; a presser position state responding mechanism 8, the presser position state responding mechanism 8 being provided on the head 1 at a position corresponding to the left front of the presser drive motor 3.
Referring to fig. 1, the motor fixing seat 32 is L-shaped, the yarn pressing plate driving motor 3 is fixed to the upper portion of the motor fixing seat 32 in a horizontal position by a motor fixing screw 33, the lower portion of the motor fixing seat 32 is fixed to the machine head 1 by a motor fixing seat screw 321, an upper link hinge seat 322 is formed on the motor fixing seat 32, the yarn pressing plate fixing seat traction mechanism 4 is hinged to the upper link hinge seat 322, a tension spring 9 is connected between the yarn pressing plate fixing seat traction mechanism 4 and the yarn pressing plate fixing seat supporting mechanism 5, a pair of lower link hinge seats 61 corresponding to each other in position is extended from the lower end of the yarn pressing plate fixing seat 6 and toward one side of the yarn pressing plate fixing seat supporting mechanism 5, the lower link hinge seats 61 are hinged to the yarn pressing plate fixing seat supporting mechanism 5, a response mechanism fixing screw hole 12 is formed in the machine head 1, and the yarn pressing plate position response mechanism 8 is fixed to the machine head 1 at a position corresponding to the response mechanism fixing screw hole 12.
The yarn pressing plate fixing seat traction mechanism 4 comprises a swing arm 41, a traction connecting rod 42, a traction transition connecting seat 43 and an upper connecting rod 44, wherein the middle part of the swing arm 41 is sleeved on a motor shaft 31 of the yarn pressing plate driving motor 3 and is locked by a swing arm locking screw 411, a signal responder trigger head 412 is arranged on the front side of the left end of the swing arm 41, one end of the traction connecting rod 42, facing the swing arm 41, is hinged with the front side of the right end of the swing arm 41 through a traction connecting rod hinge pin 421, one end of the upper connecting rod 44, facing the upper connecting rod hinge seat 322, is hinged with the upper connecting rod hinge seat 322 through an upper connecting rod hinge pin 441, one ends of the traction connecting rod 42 and the upper connecting rod 44, facing the traction transition connecting seat 43, are coaxially hinged with the traction transition connecting seat 43 through a traction transition connecting seat pin 431 arranged on the traction transition connecting seat 43, the upper end of the yarn pressing plate fixing seat 6 is hinged with the traction transition connecting seat 43 through a yarn pressing plate hinge pin 62, the yarn pressing plate position state response mechanism 8 corresponds to the signal responder trigger head 412, the upper end of the tension spring 9 is hung on the traction connecting seat 431, and the lower end of the tension spring 9 is hung on the yarn pressing plate fixing seat 5.
Referring to fig. 1, the yarn pressing plate fixing seat supporting mechanism 5 includes a lower link connecting seat 51 and a lower link 52, the lower link connecting seat 51 is fixed to the right side surface of the head inner side plate 11 of the head 1 by a lower link connecting seat fixing screw 511 (a pair), and a lower link support 5111 is formed on a side of the lower link connecting seat 51 opposite to the head inner side plate 11, one end of the lower link 52 facing the lower link connecting seat 51 is hinged to the lower link support 5111 by a lower link first hinge shaft 521, and one end of the lower link 52 facing the yarn pressing plate fixing seat 6 is hinged to the lower link hinge seat 61 by a lower link second hinge shaft 522, so that the lower end of the yarn pressing plate fixing seat 6 is hinged to the yarn pressing plate fixing seat supporting mechanism 5, and the lower end of the tension spring 9 is hung on the lower link support 5111.
As shown in fig. 1, a tension spring hanging screw hole 51111 is formed in the lower link support 5111 at a position corresponding to the lower end of the tension spring 9, a tension spring hanging screw 51112 is disposed in the tension spring hanging screw hole 51111, and the lower end of the tension spring 9 is hung on the tension spring hanging screw 51112.
A pair of yarn pressing plate adjusting grooves 72 are formed at an interval at the upper end of the yarn pressing plate 7, a yarn pressing plate adjusting and fixing screw 721 is respectively arranged on the pair of yarn pressing plate adjusting grooves 72, and the yarn pressing plate adjusting and fixing screw 721 is fixed to the yarn pressing plate fixing base 6. When the yarn pressing plate 7 is adjusted upwards or downwards, the yarn pressing plate adjusting fixing screw 721 is loosened, and the yarn pressing plate adjusting fixing screw 721 is screwed after the adjustment is finished.
With reference to fig. 1, the yarn pressing plate position responding mechanism 8 includes a signal responder bracket 81, a first position signal responder 82 and a second position signal responder 83, the signal responder bracket 81 is fixed with the head 1 at a position corresponding to the responding mechanism fixing screw hole 12 by a signal responder bracket fixing screw 811, the first position signal responder 82 is fixed with the signal responder bracket 81 towards one side of the yarn pressing plate driving motor 3 by a first screw 821, and the second position signal responder 83 is fixed with the signal responder bracket 81 towards one side of the yarn pressing plate driving motor 3 by a second screw 831.
When the swing arm 41 is driven by the motor shaft 31 to rotate counterclockwise and rotate to the extent that the trigger head 412 of the signal responder corresponds to the first position signal responder 82, the yarn pressing plate 7 tilts upwards to exit the yarn pressing state, and simultaneously the first position signal responder 82 feeds back a signal to an electric controller of the computerized flat knitting machine. The method comprises the following steps: because the yarn pressing plate driving motor 3 works anticlockwise, the motor shaft 31 drives the swing arm 41 to rotate anticlockwise for an angle, the swing arm 41 drives the traction connecting rod 42 to move upwards (the limit position of the traction connecting rod 42 is limited by the limiting rod 812), the traction connecting rod 42 drives the traction transition connecting seat 43 to move upwards, the traction transition connecting seat 43 drives the yarn pressing plate fixing seat 6 to move upwards, and finally the yarn pressing plate fixing seat 6 drives the yarn pressing plate 7 to move upwards, so that the yarn pressing claw 71 of the yarn pressing plate 7 is withdrawn from a yarn pressing working state. Conversely, when the swing arm 41 is driven by the motor shaft 31 to rotate clockwise and rotate to the extent that the signal responder trigger head 412 corresponds to the aforementioned second position signal responder 83, the aforementioned yarn pressing plate returns downwards to enter a yarn pressing working state, and simultaneously, the second position signal responder 83 feeds back a signal to the aforementioned electric controller. The method comprises the following steps: because the yarn pressing plate driving motor 3 works clockwise, the motor shaft 31 drives the swing arm 1 to rotate clockwise by an angle, the swing arm 41 drives the traction connecting rod 42 to move downwards, the traction connecting rod 42 drives the traction transition connecting seat 43 to move downwards, the traction transition connecting seat 43 drives the yarn pressing plate fixing seat 6 to move downwards, and finally the yarn pressing plate fixing seat 6 drives the yarn pressing plate 7 to move downwards, so that the yarn pressing claw 71 of the yarn pressing plate 7 enters a yarn pressing working state.
With continuing reference to fig. 1, a limiting rod 812 is preferably fixed to the signal responder bracket 81 on the side facing the yarn platen drive motor 3 and at a position corresponding to the swing arm 41 in a state perpendicular to the signal responder bracket 81.
In the present embodiment, the first position signal responder 82 and the second position signal responder 83 are position proximity switches; the yarn pressing plate driving motor 3 is a motor with forward and reverse rotation functions.
Referring to fig. 2 and 3, fig. 2 shows the structure of fig. 1 disposed on the head 1 and in a use state, according to the prior art, the head 1 is slidably disposed on a head rail disposed on a frame 10 of a computer flat knitting machine. Since the components shown in fig. 2 except the yarn pressing device of the present invention are well known in the prior art and can be found in a large number in the published chinese patent documents, they are not described in detail.
Turning attention to fig. 3, fig. 3 shows a special knit fabric which can be used both as a knee pad, wrist pad, leg pad, etc. for processing a human body and as a cushion. The structure is as follows: the knitted fabric comprises a knitted fabric body 20, wherein the knitted fabric body 20 is composed of a plurality of filling knitted jackets 201 and a plurality of filling knitted jacket knitting connecting strips 202, the filling knitted jackets 201 and the filling knitted jacket knitting connecting strips 202 form a spaced position relationship, knitting sealing edges 203 are formed on the periphery of the knitted fabric body 20, and filling yarns 2011 which are filled in the filling knitted jackets 201 and do not participate in knitting are also shown in fig. 3.
The applicant briefly describes the working principle of the yarn pressing device of the present invention with reference to fig. 1 to 3, and when the filling knitted jacket 201 is knitted during the process of knitting the knitted object 20 having the structure shown in fig. 3 by the knitting mechanism of the computer flat knitting machine, the filling yarn 2011 is fed into the filling knitted jacket 201 from the back side of the knitting needle of the knitting mechanism by the filling yarn feeding nozzle, so as to realize that the filling yarn 2011 is fed while the filling knitted jacket 201 is knitted (the yarns for knitting the filling knitted jacket 201, the filling knitted jacket knitting joint strip 202, and the edge sealing edge 203 are fed by separate yarn feeding nozzles); in order to avoid the filling yarn 2011 floating upward, the yarn pressing plate 7 is lowered by the clockwise operation of the yarn pressing plate driving motor 3, and the yarn pressing claw 71 of the yarn pressing plate 7 presses the filling yarn 2011 downward, and vice versa, as described above by the applicant. In the foregoing process, since the entire yarn pressing device is mounted to the head 1, it reciprocates with the head 1. If a plurality of filler yarns are fed at a time from the filler yarn feeding nozzle, the efficiency of feeding the filler yarn 2011 can be certainly improved.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (10)
1. A yarn pressing device of a computer flat knitting machine comprises a machine head (1), wherein the machine head (1) is provided with a machine head inner side plate (11); the sinker guide rail fixing seat (2) is fixed with the right side of the machine head inner side plate (11), and is characterized in that the yarn pressing device comprises a yarn pressing plate driving motor (3), and the yarn pressing plate driving motor (3) is fixed on the machine head (1) through a motor fixing seat (32); the yarn pressing plate fixing seat traction mechanism (4) is hinged with the motor fixing seat (32) and is connected with a motor shaft (31) of a yarn pressing plate driving motor (3); the yarn pressing plate fixing seat supporting mechanism (5) is fixed with the right side of the machine head inner side plate (11) at a position corresponding to the upper part of the sinker guide rail fixing seat (2) by the yarn pressing plate fixing seat supporting mechanism (5); the upper end of the yarn pressing plate fixing seat (6) is hinged with the yarn pressing plate fixing seat traction mechanism (4), and the lower end of the yarn pressing plate fixing seat (6) and the side, facing the yarn pressing plate fixing seat supporting mechanism (5), of the yarn pressing plate fixing seat (6) are hinged with the yarn pressing plate fixing seat supporting mechanism (5); the upper end of the yarn pressing plate (7) is fixed with one side of the yarn pressing plate fixing seat (6) back to the yarn pressing plate fixing seat supporting mechanism (5), and a yarn pressing claw (71) is formed at the lower end of the yarn pressing plate (7); a yarn pressing plate position state response mechanism (8), wherein the yarn pressing plate position state response mechanism (8) is arranged on the machine head (1) at a position corresponding to the left front part of the yarn pressing plate driving motor (3).
2. The yarn presser of a computer-controlled flat knitting machine according to claim 1, characterized in that said motor holder (32) is L-shaped, said presser drive motor (3) is fixed in a horizontal position to the upper portion of the motor holder (32) by means of motor fixing screws (33), and the lower portion of the motor holder (32) is fixed to said head (1) by means of motor holder screws (321), and an upper link hinge seat (322) is formed on the motor holder (32), said presser holder traction mechanism (4) is hinged to the upper link hinge seat (322), a tension spring (9) is connected between the presser holder traction mechanism (4) and said presser holder support mechanism (5), a pair of lower link seats (61) extends at the lower end of said presser holder (6) and toward the side of said presser holder support mechanism (5) in positions corresponding to each other, the lower link seats (61) are hinged to the presser holder support mechanism (5), said presser holder (1) is provided with a screw hole (12) responsive to the thread position of the head (1), and the thread presser responsive mechanism (8) is provided on the head.
3. The yarn pressing device of the computerized flat knitting machine according to claim 2, wherein the yarn pressing plate fixing seat traction mechanism (4) comprises a swing arm (41), a traction link (42), a traction transition connecting seat (43) and an upper link (44), the middle of the swing arm (41) is sleeved on a motor shaft (31) of the yarn pressing plate driving motor (3) and locked by a swing arm locking screw (411), a signal responder trigger head (412) is arranged at the front side of the left end of the swing arm (41), one end of the traction link (42) facing the swing arm (41) is hinged with the front side of the right end of the swing arm (41) through a traction link hinge pin (421), one end of the upper link (44) facing the upper link hinge seat (322) is hinged with the upper link hinge seat (322) through an upper link hinge pin (441), one ends of the traction link (42) and the upper link (44) facing the traction transition connecting seat (43) are hinged by a traction transition connecting seat (431) arranged on the traction transition connecting seat (43) and the traction link pin (43), the other ends of the traction link (42) and the upper link (44) are coaxial with the traction transition connecting seat (43), the yarn pressing plate fixing seat (6) responds to the signal responder of the yarn pressing plate connecting seat (8) through the connection mechanism, the upper end of the tension spring (9) is hung on the pin shaft (431) of the traction transition connecting seat, and the lower end of the tension spring (9) is hung on the yarn pressing plate fixing seat supporting mechanism (5).
4. The yarn pressing device of the computer flat knitting machine according to claim 2, characterized in that the yarn pressing plate fixing seat supporting mechanism (5) comprises a lower link connecting seat (51) and a lower link (52), the lower link connecting seat (51) is fixed with the head inner side plate (11) of the head (1) by a lower link connecting seat fixing screw (511), and a lower link support (5111) is formed on one side of the lower link connecting seat (51) opposite to the head inner side plate (11), one end of the lower link (52) facing the lower link connecting seat (51) is hinged with the lower link support (5111) by a lower link first hinge shaft (521), one end of the lower link (52) facing the yarn pressing plate fixing seat (6) is hinged with the lower link hinge seat (61) by a lower link second hinge shaft (522), and the lower end of the tension spring (9) is hung on the lower link support (5111).
5. The yarn presser of a computer-controlled flat knitting machine according to claim 4, characterized in that a tension spring attaching screw hole (51111) is provided in the lower link support (5111) at a position corresponding to the lower end of the tension spring (9), a tension spring attaching screw (51112) is provided in the tension spring attaching screw hole (51111), and the lower end of the tension spring (9) is attached to the tension spring attaching screw (51112).
6. The yarn pressing device of the computer flat knitting machine according to claim 1, characterized in that a pair of yarn pressing plate adjusting grooves (72) are formed at intervals at the upper end of the yarn pressing plate (7), a yarn pressing plate adjusting and fixing screw (721) is respectively arranged on the pair of yarn pressing plate adjusting grooves (72), and the yarn pressing plate adjusting and fixing screw (721) is fixed with the yarn pressing plate fixing seat (6).
7. Yarn clamping device for a computer knitting machine according to claim 3 characterized in that the clamping plate position state responding means (8) comprises a signal responder bracket (81), a first position signal responder (82) and a second position signal responder (83), the signal responder bracket (81) is fixed with the head (1) by a signal responder bracket fixing screw (811) at a position corresponding to the responding mechanism fixing screw hole (12), the first position signal responder (82) and the second position signal responder (83) are fixed with the signal responder bracket (81) towards the side of the clamping plate driving motor (3), when the swing arm (41) is driven by the motor shaft (31) to rotate anticlockwise and rotate to the extent that the signal responder trigger head (412) corresponds to the first position signal responder (82), the yarn pressing plate (7) tilts upwards to exit a yarn pressing state, and simultaneously the first position signal responder (82) feeds back the signal to the electric controller of the computer flat knitting machine, when the swing arm (41) is driven by the motor shaft (31) clockwise to rotate and rotate to the extent that the signal responder trigger head (412) corresponds to the second position signal responder (83), the yarn pressing plate returns downwards to enter a yarn pressing working state, and simultaneously feeding back a signal to said electrical controller by a second position signal responder (83).
8. The yarn presser of a computer-controlled flat knitting machine according to claim 7, characterized in that a stopper rod (812) is fixed to a side of said signal responder bracket (81) facing said presser drive motor (3) and in a state perpendicular to said signal responder bracket (81) at a position corresponding to said swing arm (41).
9. The yarn pressing device of a computer flat knitting machine according to claim 7, characterized in that the first position signal responder (82) and the second position signal responder (83) are position proximity switches.
10. The yarn presser of a computerized flat knitting machine according to any one of claims 1 to 3 or 7 to 8, characterized in that the presser drive motor (3) is a motor having a forward and reverse rotation function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710976024.4A CN107574558B (en) | 2017-10-19 | 2017-10-19 | Yarn pressing device of computer flat knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976024.4A CN107574558B (en) | 2017-10-19 | 2017-10-19 | Yarn pressing device of computer flat knitting machine |
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| CN107574558A CN107574558A (en) | 2018-01-12 |
| CN107574558B true CN107574558B (en) | 2022-11-25 |
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| CN201710976024.4A Active CN107574558B (en) | 2017-10-19 | 2017-10-19 | Yarn pressing device of computer flat knitting machine |
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| CN110552109A (en) * | 2019-09-20 | 2019-12-10 | 桐乡市巨星针织机械制造有限公司 | Take self-locking structure's cord grip |
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| CN103556383A (en) * | 2013-11-14 | 2014-02-05 | 江苏中捷机电科技有限公司 | Presser foot device for fully-computerized flat knitting machine |
| CN203639664U (en) * | 2013-11-14 | 2014-06-11 | 江苏中捷机电科技有限公司 | Pressure foot device for full computer horizontal knitting machine |
| CN203890618U (en) * | 2014-04-30 | 2014-10-22 | 绍兴市越发机械制造有限公司 | Computerized flat knitting machine presser foot transmission group |
| CN207376196U (en) * | 2017-10-19 | 2018-05-18 | 江苏金龙科技股份有限公司 | The yarn pressing device of computer plain flat knitter |
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| CN101310057A (en) * | 2005-11-16 | 2008-11-19 | 株式会社岛精机制作所 | Carriage-mounted unit of weft knitting machine |
| CN202227058U (en) * | 2011-08-17 | 2012-05-23 | 常熟市国光机械有限公司 | Press foot and hair brush linkage system |
| CN202766758U (en) * | 2012-07-31 | 2013-03-06 | 宁波慈星股份有限公司 | Presser foot device |
| CN103556383A (en) * | 2013-11-14 | 2014-02-05 | 江苏中捷机电科技有限公司 | Presser foot device for fully-computerized flat knitting machine |
| CN203639664U (en) * | 2013-11-14 | 2014-06-11 | 江苏中捷机电科技有限公司 | Pressure foot device for full computer horizontal knitting machine |
| CN203890618U (en) * | 2014-04-30 | 2014-10-22 | 绍兴市越发机械制造有限公司 | Computerized flat knitting machine presser foot transmission group |
| CN207376196U (en) * | 2017-10-19 | 2018-05-18 | 江苏金龙科技股份有限公司 | The yarn pressing device of computer plain flat knitter |
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| CN107574558A (en) | 2018-01-12 |
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