CN108625032B - Bottom plate device of four-system computerized flat knitting machine - Google Patents
Bottom plate device of four-system computerized flat knitting machine Download PDFInfo
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- CN108625032B CN108625032B CN201810634076.8A CN201810634076A CN108625032B CN 108625032 B CN108625032 B CN 108625032B CN 201810634076 A CN201810634076 A CN 201810634076A CN 108625032 B CN108625032 B CN 108625032B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/70—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used in flat-bed knitting machines
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/82—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the needle cams used
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to a bottom plate device of a four-system computerized flat knitting machine. An auxiliary mesh sliding groove is formed in the auxiliary mesh sliding bar, and the first motor drives a first gear which is meshed and driven with a rack structure at the lower part of the auxiliary mesh sliding bar; the bottom one end of left side auxiliary degree mesh slider and right side auxiliary degree mesh slider slides and sets up in auxiliary degree mesh spout, and left side auxiliary degree mesh and right side auxiliary degree mesh are connected respectively to its top. The second motor drives the second gear, and the second gear is meshed and driven with a rack structure at the lower part of the stitch slide; the bottoms of the left degree mesh sliding block and the right degree mesh sliding block are respectively provided with a groove structure, and when the degree mesh sliding strip moves left and right, two bearings respectively act in the groove structures, so that the left degree mesh sliding block and the right degree mesh sliding block move up and down in a directional manner. In the invention, a plurality of pairs of auxiliary stitch is controlled by one motor, stitch triangles of each system can be independently controlled, and the control is more accurate.
Description
Technical Field
The invention relates to the field of textile machinery equipment, in particular to a bottom plate device of a four-system computerized flat knitting machine.
Background
The bottom plate structure on the head of the computerized flat knitting machine can make the knitting needle complete five basic actions of knitting, eye lifting, needle turning, needle receiving and non-knitting. In order to improve the knitting efficiency and weave more patterns, technicians sequentially develop a double-system or three-system flat knitting machine bottom plate, and optimize the structure and layout of a cam device arranged on the bottom plate, a pair of auxiliary stitch is often required to be arranged above a pair of stitch cams in order to adjust the size of adjacent stitches in the same row, change the fabric and increase the layering sense.
The driving device for multiple pairs of auxiliary degree on the bottom plate of the existing multi-system flat knitting machine generally adopts a mode of combining a motor with an auxiliary degree connecting rod, for example, chinese patent with application number 2017107048081: a computerized flat knitting machine cam plate adopts a motor to drive an auxiliary stitch connecting rod to do left-right linear movement, a chute structure is arranged on the auxiliary stitch connecting rod, and the auxiliary stitch can be directionally moved along a splayed chute on a triangle motherboard through the chute structure. In the technical scheme, a plurality of pairs of auxiliary measures are controlled by the same motor, and the auxiliary measures of each system can not be independently controlled when the motor is operated.
In addition, in the driving device of stitch cams, a motor is usually used to drive a stitch cam, and at least a pair of stitch cams are arranged in a system, so that at least two motors are needed to drive, when aiming at the bottom plate of the multi-system flat knitting machine, a plurality of motors are needed to be installed on the back surface of the bottom plate to drive the stitch cams, which can cause the tight installation of each part, increase the weight of the flat knitting machine head and affect the running speed and precision of the flat knitting machine, although the prior art has a design of driving a pair of stitch cams by one motor, the prior art has disadvantages and shortcomings, such as the chinese patent with application number 201220351479X: according to the technical scheme, a motor is adopted to drive a gear box, a driving rod and a driven rod are arranged on the gear box, two coaxial first gears and two coaxial second gears are arranged on the driving rod, a coaxial third gear and a coaxial fourth gear are arranged on the driven rod, the second gear is meshed with the third gear on the driven rod, the fourth gear is meshed with a fifth gear and a sixth gear at the same time, the fifth gear and the sixth gear are meshed with a seventh gear and an eighth gear respectively, and the seventh gear and the eighth gear are meshed with racks fixed together with the stitch cam respectively. The gear box is designed in the technical scheme, if the gear box is applied to a mountain plate of a multi-system flat knitting machine, the defect of increasing the weight of a machine head exists, in addition, a plurality of gears are meshed and driven, if the gears are worn, the gears cannot be completely meshed, vibration can occur, and knitting quality is affected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the bottom plate device of the four-system computerized flat knitting machine, which has reasonable structural design, can independently control the auxiliary degree of each system and only needs one motor for driving a pair of stitch cams.
The invention solves the problems by adopting the following technical scheme:
the bottom plate device of the four-system computerized flat knitting machine comprises a triangle motherboard and a needle selecting motherboard, wherein the triangle motherboard and the needle selecting motherboard are spliced together to form the bottom plate of the flat knitting machine; four sets of triangular systems are arranged on the triangular motherboard, and the four sets of triangular systems are symmetrically and sequentially arranged on the triangular motherboard from left to right about the central line of the triangular motherboard; four needle selecting systems are arranged on the needle selecting mother board, and the four needle selecting systems are symmetrically arranged on the needle selecting mother board from left to right and about the central line of the needle selecting mother board; one set of triangle system corresponds to one set of needle selecting system; each set of triangle system comprises a left auxiliary stitch, a right auxiliary stitch, a left stitch triangle and a right stitch triangle; the left auxiliary degree mesh and the right auxiliary degree mesh are arranged on the triangle motherboard in a splayed shape; the left stitch cam and the right stitch cam are arranged on the cam motherboard in a splayed shape and are positioned below the left auxiliary stitch and the right auxiliary stitch; a needle turning inclined cam, a knitting needle pressing cam and a knitting needle starting and connecting needle pressing cam are arranged between the left stitch cam and the right stitch cam, and the needle turning inclined cam, the knitting needle pressing cam and the knitting needle starting and connecting needle pressing cam are sequentially arranged on the cam motherboard from top to bottom; a left needle turning and pressing triangle, a swinging triangle and a right needle turning and pressing triangle are sequentially arranged above the left auxiliary degree mesh and the right auxiliary degree mesh from left to right; the method is characterized in that: the device also comprises an auxiliary stitch driving assembly and a stitch cam driving assembly;
the auxiliary stitch driving assembly comprises a motor I, an auxiliary stitch sliding bar, a left auxiliary stitch sliding block and a right auxiliary stitch sliding block; an auxiliary mesh sliding groove is formed in the auxiliary mesh sliding bar, the auxiliary mesh sliding groove is nonlinear, and the lower part of the auxiliary mesh sliding bar is of a rack structure; the output shaft of the first motor is connected with a first gear, and the first gear is meshed and driven with a rack structure at the lower part of the auxiliary degree sliding bar; the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are respectively embedded in a pair of splayed sliding grooves I formed in the triangular motherboard; one end of the bottoms of the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are arranged in the auxiliary stitch sliding groove in a sliding manner, and the upper parts of the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are respectively connected with the left auxiliary stitch and the right auxiliary stitch;
the stitch cam driving assembly comprises a motor II, a stitch slide bar, a left stitch slide block and a right stitch slide block; two bearings are fixed on the stitch slide bar, and the upper part of the stitch slide bar is of a rack structure; the output shaft of the second motor is connected with a second gear, and the second gear is meshed and driven with a rack structure at the upper part of the stitch slide bar; the upper parts of the left stitch sliding block and the right stitch sliding block are respectively provided with a protruding block, the two protruding blocks are respectively embedded in a pair of splayed sliding grooves II formed in the triangular motherboard, and the two protruding blocks are respectively fixedly connected with the left stitch triangle and the right stitch triangle; the bottoms of the left degree mesh sliding block and the right degree mesh sliding block are respectively provided with a groove structure, and two side surfaces of the groove structure are of non-planar structures; when the output shaft of the motor II rotates to drive the gear II to rotate, the gear II is meshed with the rack structure on the upper part of the stitch slide bar to drive the stitch slide bar to move left and right, and in the process of moving the stitch slide bar left and right, two bearings respectively act in the groove structures at the bottoms of the left stitch slide block and the right stitch slide block, so that the left stitch slide block and the right stitch slide block move up and down in a directional manner.
Preferably, the motor I and the motor II are arranged on the same motor fixing seat.
Preferably, the motor fixing seat is provided with an upper slide bar fixing seat, a middle slide bar fixing seat and a lower slide bar fixing seat from top to bottom on the surface opposite to the motor I and the motor II; the upper slide bar fixing piece and the middle slide bar fixing piece limit the auxiliary degree slide bar on the motor fixing seat; the middle slide bar fixing piece and the lower slide bar fixing piece limit the degree slide bar on the motor fixing seat.
Preferably, the cross section of the upper slide fixing piece is L-shaped.
Preferably, the first motor and the second motor adopt stepping motors, so that the precision is high, and the left-right movement distance of the auxiliary degree sliding bar and the degree sliding bar can be accurately controlled.
Preferably, the triangle motherboard has the width of 550mm and is more compact in structure.
Preferably, the triangle motherboard is also provided with a left needle return triangle, a right needle return triangle, a left adjustable triangle, a right adjustable triangle, a left reserved triangle, a right reserved triangle, three middle needle return triangles and three middle reserved triangles; the left needle return cam and the right needle return cam are arranged left and right and are positioned at two sides of the four-set cam system, the left adjustable cam is positioned below the left needle return cam, the left reserved cam is positioned below the left adjustable cam, the right adjustable cam is positioned below the right needle return cam, and the right reserved cam is positioned below the right adjustable cam; the three middle needle return cams and the three middle retaining cams are arranged in a one-to-one correspondence manner from top to bottom and are sequentially arranged between every two adjacent cam systems from left to right.
Preferably, the back of the needle selecting mother board is provided with four push-pin motors.
Compared with the prior art, the invention has the following advantages and effects: (1) Compared with the prior art that a plurality of pairs of auxiliary orders share one motor for control, the auxiliary orders of the systems can be independently controlled, and the auxiliary orders of the systems are controlled by one motor, so that the control is more accurate; (2) The auxiliary degree sliding strip and the degree sliding strip are limited on the motor fixing seat by the upper sliding strip fixing plate, the middle sliding strip fixing plate and the lower sliding strip fixing plate, so that the auxiliary degree sliding strip and the degree sliding strip can only move left and right, and the movement error of the auxiliary degree sliding strip and the degree sliding strip is reduced; (3) The four-system flat knitting machine base plate designed by the invention has a more compact structure, is suitable for an HP machine type, can realize seven actions of knitting, eye lifting, needle turning, needle connecting, non-knitting, knitting tight hanging and eye lifting, can knit more patterns and has high efficiency.
Drawings
Fig. 1 is a schematic diagram of the front structure of the base plate of the flat knitting machine of the present embodiment.
Fig. 2 is a schematic view of the back structure of the base plate of the flat knitting machine of the present embodiment.
Fig. 3 is a schematic front view of the quarter-triangle master from the right in fig. 1.
Fig. 4 is a schematic perspective view of fig. 3.
Fig. 5 is a left-hand structural schematic diagram of fig. 3.
Fig. 6 is a schematic view of the structure of fig. 3 with the triangle master removed and the triangle device on the triangle master removed (for illustrating the auxiliary stitch drive assembly and stitch cam drive assembly).
Fig. 7 is a schematic rear view of the left and right eye sliders of fig. 6.
Fig. 8 is a schematic diagram of the stitch trace during needle turning in this embodiment.
Fig. 9 is a schematic diagram of the stitch trace during knitting in this embodiment.
Fig. 10 is a schematic diagram of the needle track during needle insertion in this embodiment.
Fig. 11 is a schematic diagram of the needle track of the stitch during the eye hanging in this embodiment.
Fig. 12 is a schematic diagram of the stitch trace when not knitting in this embodiment.
Fig. 13 is a schematic diagram of the stitch trace when knitting and hanging in this embodiment.
Fig. 14 is a schematic diagram of the needle track of the hand foot in the eye-lifting and tightening manner in the present embodiment.
Reference numerals illustrate: triangle motherboard C1; selecting a needle mother board C2; right return needle triangle 1; right adjustable triangle 2; right retention triangle 3; a right auxiliary order 4; a right needle-turning needle-pressing triangle 5; swinging the triangle 6; a left needle-turning needle-pressing triangle 7; left auxiliary degree mesh 8; right stitch triangle 10; knitting a needle lifting needle connecting needle pressing triangle 11; knitting a needle pressing triangle 12; left stitch triangle 13; a needle-turning inclined triangle 14; a middle retention triangle 15; left return needle triangle 16; a middle return needle triangle 17; left adjustable triangle 18; left retention triangle 19; a first motor 20; a second motor 21; a left auxiliary stitch slider 22; an auxiliary degree slide 23; an auxiliary mesh chute 23-1; a right auxiliary stitch slider 24; an upper slide fixing piece 25; a motor mount 26; a middle slide fixing piece 27; a right mesh slider 28; a lower slide fixing piece 29; a stitch slide 30; bearings 30-1, 30-2; a left mesh slider 31; groove structure 31-1; the protruding block 31-2; gear one 32; gear two 33; chute one 34; a second chute 35; a stitch 36A; a stitch 36B; a push needle motor E.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
See fig. 1-14.
The four-system computerized flat knitting machine bottom plate device comprises a triangular motherboard C1 and a needle selecting motherboard C2, wherein the triangular motherboard C1 and the needle selecting motherboard C2 are spliced together to form the flat knitting machine bottom plate, and seven actions of knitting, eye hanging, needle turning, needle connection, non-knitting, knitting tight hanging and eye hanging can be realized.
The triangle motherboard C1 is provided with a left needle return triangle 16, a right needle return triangle 1, a left adjustable triangle 18, a right adjustable triangle 2, a left reserved triangle 19, a right reserved triangle 3, three middle needle return triangles 17, three middle reserved triangles 15 and a four-set triangle system A, B, C, D. The four-set triangle system A, B, C, D is sequentially disposed on the triangle master C1 from left to right and symmetrically with respect to the center line of the triangle master C1. The left needle return cam 16 and the right needle return cam 1 are arranged left and right and are positioned on two sides of a four-set cam system A, B, C, D, the left adjustable cam 18 is positioned below the left needle return cam 16, the left reserved cam 19 is positioned below the left adjustable cam 18, the right adjustable cam 2 is positioned below the right needle return cam 1, and the right reserved cam 3 is positioned below the right adjustable cam 2; the three middle needle return cams 17 and the three middle retaining cams 15 are arranged in a one-to-one correspondence up and down, and are sequentially arranged between every two adjacent cam systems from left to right.
Four needle selecting systems are arranged on the needle selecting mother board C2, and the four needle selecting systems are symmetrically arranged on the needle selecting mother board C2 from left to right and about the central line of the needle selecting mother board C2. One set of triangle system corresponds to one set of needle selecting system. Four push-pin motors E are arranged on the back of the needle selecting mother board C2, and one push-pin motor E corresponds to one needle selecting system.
Each set of triangular system comprises a left auxiliary stitch 8, a right auxiliary stitch 4, a left stitch triangle 13, a right stitch triangle 10, an auxiliary stitch driving component and a stitch triangle driving component.
The left auxiliary degree mesh 8 and the right auxiliary degree mesh 4 are arranged on the triangle motherboard C1 in a splayed shape; the left stitch cam 13 and the right stitch cam 10 are arranged on the cam motherboard C1 in a splayed shape and are positioned below the left auxiliary stitch 8 and the right auxiliary stitch 4. A needle turning inclined cam 14, a knitting needle pressing cam 12 and a knitting needle lifting and connecting needle pressing cam 11 are arranged between the left stitch cam 13 and the right stitch cam 10, and the needle turning inclined cam 14, the knitting needle pressing cam 12 and the knitting needle lifting and connecting needle pressing cam 11 are sequentially arranged on the cam motherboard C1 from top to bottom. The left needle turning and pressing triangle 7, the swinging triangle 6 and the right needle turning and pressing triangle 5 are sequentially arranged above the left auxiliary stitch 8 and the right auxiliary stitch 4 from left to right.
The auxiliary stitch driving assembly comprises a motor one 20, an auxiliary stitch slide bar 23, a left auxiliary stitch slide block 22 and a right auxiliary stitch slide block 24. The auxiliary mesh sliding bar 23 is provided with an auxiliary mesh sliding groove 23-1, the auxiliary mesh sliding groove 23-1 is nonlinear, and the lower part of the auxiliary mesh sliding bar 23 is of a rack structure. The output shaft of the first motor 20 is connected with a first gear 32, and the first gear 32 is meshed with a rack structure at the lower part of the auxiliary degree sliding bar 23. The left auxiliary stitch slider 22 and the right auxiliary stitch slider 24 are respectively embedded in a pair of splayed slide grooves 34 formed on the triangle motherboard C1. The bottom ends of the left auxiliary stitch slider 22 and the right auxiliary stitch slider 24 are slidably arranged in the auxiliary stitch chute 23-1, and the upper parts thereof are respectively connected with the left auxiliary stitch 8 and the right auxiliary stitch 4. The output shaft of the first motor 20 rotates to drive the first gear 32 to rotate, the first gear 32 is meshed with a rack structure at the lower part of the auxiliary mesh sliding bar 23 to drive the auxiliary mesh sliding bar 23 to move left and right, and the left auxiliary mesh sliding block 22 and the right auxiliary mesh sliding block 24 respectively move up and down in a directional manner along the inner walls of a pair of splayed sliding grooves 34 on the triangle motherboard C1 because the auxiliary mesh sliding grooves 23-1 on the auxiliary mesh sliding bar 23 are nonlinear, so that the left auxiliary mesh 8 and the right auxiliary mesh 4 respectively fixedly connected with the left auxiliary mesh sliding block 22 and the right auxiliary mesh sliding block 24 are driven to move in a directional manner.
The stitch cam driving assembly comprises a second motor 21, a stitch slide bar 30, a left stitch slide block 31 and a right stitch slide block 28. Two bearings 30-1 and 30-2 are fixed on the stitch slide 30, and the upper part of the stitch slide 30 is of a rack structure. The output shaft of the second motor 21 is connected with a second gear 33, and the second gear 33 is meshed with a rack structure at the upper part of the stitch slide bar 30. The upper parts of the left stitch slider 31 and the right stitch slider 28 are respectively provided with a protruding block (see fig. 6, the protruding block 31-2 on the left stitch slider 31), the two protruding blocks are respectively embedded in a pair of splayed sliding grooves II 35 formed on the triangle motherboard C1, and the two protruding blocks are respectively fixedly connected with the left stitch triangle 13 and the right stitch triangle 10. The rear parts of the left eye slider 31 and the right eye slider 28 are respectively provided with a groove structure (see fig. 7, groove structure 31-1 of the rear part of the left eye slider 31), both sides of which are non-planar structures. When the output shaft of the second motor 21 rotates to drive the second gear 33 to rotate, the second gear 33 is meshed with the rack structure at the upper part of the stitch slide bar 30 to drive the stitch slide bar 30 to move left and right, and in the process of moving the stitch slide bar 30 left and right, two bearings 30-1 and 30-2 act on the groove structures at the bottoms of the left stitch slide block 31 and the right stitch slide block 28 respectively, so that the left stitch slide block 31 and the right stitch slide block 28 move up and down in a directional manner along the inner walls of a pair of splayed sliding grooves two 35 on the triangle motherboard C1, and further drive the left stitch triangle 13 and the right stitch triangle 10 which are fixedly connected with the left stitch slide block 31 and the right stitch slide block 28 respectively to move up and down in a directional manner.
Preferably, in this embodiment, the first motor 20 and the second motor 21 are stepper motors, which have high precision, and can accurately control the left-right movement distance of the auxiliary degree slide 23 and the degree slide 30, and the two motors are mounted on the same motor fixing seat 26, and the surface of the motor fixing seat 26 facing away from the first motor 20 and the second motor 21 is provided with an upper slide fixing plate 25, a middle slide fixing plate 27 and a lower slide fixing plate 29 in sequence from top to bottom, wherein the cross section of the upper slide fixing plate 25 is designed into an L shape, so that the upper slide fixing plate 25 is conveniently and firmly fixed on the motor fixing seat 26; the upper slide bar fixing piece 25 and the middle slide bar fixing piece 27 limit the auxiliary degree slide bar 23 on the motor fixing seat 26; the middle slide bar fixing piece 27 and the lower slide bar fixing piece 29 limit the stitch slide bar 30 on the motor fixing seat 26, so that the auxiliary stitch slide bar 23 and the stitch slide bar 30 can only move left and right, the movement error is reduced, and the movement precision is improved.
In the embodiment, the width L of the triangle motherboard C1 with four sets of triangle systems is only 550mm, so that the structure is more compact, and the knitting efficiency is higher.
The needle paths of the knitting needles in the seven operations of knitting, lifting, turning, needle joining, non-knitting, knitting and lifting are described in detail below with reference to fig. 8 to 14.
(1) Needle turning over
Referring to fig. 8, describing the first cam system from the left, during needle turning, the knitting needle enters the knitting cam from the left to the right in the drawing, the stitch 36B moves upward along the inclined plane of the left retention cam 19 and then enters the groove track on the left stitch cam 13, at this time, the needle turning cam 14 is not recessed into the cam master C1, the stitch 36B continues to move rightward according to the stitch track in the drawing under the action of the needle turning cam 14, then enters the knitting track on the knitting presser cam 12, and the knitting needle leaves the knitting cam under the action of the middle retention cam 15, and simultaneously the needle turning is completed.
(2) Braiding
With reference to fig. 9, describing the first cam system from the left, during knitting, the knitting needle enters the knitting cam from the left to the right in the drawing, the stitch 36B moves upward along the inclined plane of the left retention cam 19, translates a distance, is caught by the bottom end surface of the left stitch cam 13, enters the knitting needle path on the knitting needle pressing cam 12, passes through the right stitch cam 10, and the knitting needle goes out of the knitting cam under the action of the middle retention cam 15, thereby completing knitting.
(3) Needle for connecting needle
With reference to fig. 10, the first cam system is described from the left, and during needle joining, the knitting needle enters the knitting cam from the left to the right in the drawing, the stitch 36B moves horizontally along the plane on the left retention cam 19 for a certain distance, then enters the needle joining path on the knitting needle joining and pressing cam 11 to complete needle joining, and then continues to move horizontally out of the knitting cam.
(4) Eye hanging
With reference to fig. 11, describing the first set of cam system from left to right, during the lifting, the knitting needle enters the knitting cam from left to right in the drawing, the stitch 36B moves horizontally along the plane on the left retaining cam 19 for a certain distance and then enters the knitting needle track on the knitting needle pressing cam 12, since the knitting needle receiving needle pressing cam 11 is recessed in the cam motherboard C1 at this time, the knitting needle moves horizontally to right according to the stitch track in the drawing after entering the knitting needle track, and moves for a certain distance and then leaves the knitting cam under the action of the right stitch cam 10.
(5) Nonwoven fabric
With reference to fig. 12, which depicts the first set of cam system from the left, the needle enters the knitting cam in a left to right direction in the drawing when not knitting, and the stitch 36B moves horizontally to the right by the plane on the left retention cam 19 until it exits the knitting cam.
(6) Weaving fastening crane
Referring to fig. 13, describing the first set of cam system from the left, when knitting is tightly hung, the knitting needle enters the knitting cam from the left to the right in the drawing, at this time, the left auxiliary stitch 8 moves downward to be in the working position, the stitch 36A contacts the needle track of the left auxiliary stitch 8, that is, the horizontal needle track of the lower part of the left auxiliary stitch 8, after the stitch 36A moves a distance along the horizontal needle track, the stitch 36B is caught by the inclined plane of the knitting needle-lifting needle-pressing cam 11, and then enters the normal knitting track, so that the knitting is tightly hung.
(7) Eye hanging fastening crane
Referring to fig. 14, describing the first set of cam system from the left, when the stitch is hung tightly, the knitting needle enters the knitting cam from the left to the right in the figure, at this time, the left auxiliary stitch 8 moves downward to be at the working position, the stitch 36A contacts the needle track of the left auxiliary stitch 8, that is, the horizontal needle surface at the lower part of the left auxiliary stitch 8, after the stitch 36A moves a certain distance along the horizontal needle surface, the stitch 36B is caught by the side needle surface of the left stitch cam 13, and then enters the normal stitch track, so as to finish the stitch hanging tightly.
Although the present invention has been described with reference to the above embodiments, it should be understood that the invention is not limited to the embodiments described above, but is capable of modification and variation without departing from the spirit and scope of the present invention.
Claims (8)
1. The bottom plate device of the four-system computerized flat knitting machine comprises a triangle motherboard and a needle selecting motherboard, wherein the triangle motherboard and the needle selecting motherboard are spliced together to form the bottom plate of the flat knitting machine; four sets of triangular systems are arranged on the triangular motherboard, and the four sets of triangular systems are symmetrically and sequentially arranged on the triangular motherboard from left to right about the central line of the triangular motherboard; four needle selecting systems are arranged on the needle selecting mother board, and the four needle selecting systems are symmetrically arranged on the needle selecting mother board from left to right and about the central line of the needle selecting mother board; one set of triangle system corresponds to one set of needle selecting system; each set of triangle system comprises a left auxiliary stitch, a right auxiliary stitch, a left stitch triangle and a right stitch triangle; the left auxiliary degree mesh and the right auxiliary degree mesh are arranged on the triangle motherboard in a splayed shape; the left stitch cam and the right stitch cam are arranged on the cam motherboard in a splayed shape and are positioned below the left auxiliary stitch and the right auxiliary stitch; a needle turning inclined cam, a knitting needle pressing cam and a knitting needle starting and connecting needle pressing cam are arranged between the left stitch cam and the right stitch cam, and the needle turning inclined cam, the knitting needle pressing cam and the knitting needle starting and connecting needle pressing cam are sequentially arranged on the cam motherboard from top to bottom; a left needle turning and pressing triangle, a swinging triangle and a right needle turning and pressing triangle are sequentially arranged above the left auxiliary degree mesh and the right auxiliary degree mesh from left to right; the method is characterized in that: the device also comprises an auxiliary stitch driving assembly and a stitch cam driving assembly;
the auxiliary stitch driving assembly comprises a motor I, an auxiliary stitch sliding bar, a left auxiliary stitch sliding block and a right auxiliary stitch sliding block; an auxiliary mesh sliding groove is formed in the auxiliary mesh sliding bar, the auxiliary mesh sliding groove is nonlinear, and the lower part of the auxiliary mesh sliding bar is of a rack structure; the output shaft of the first motor is connected with a first gear, and the first gear is meshed and driven with a rack structure at the lower part of the auxiliary degree sliding bar; the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are respectively embedded in a pair of splayed sliding grooves I formed in the triangular motherboard; one end of the bottoms of the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are arranged in the auxiliary stitch sliding groove in a sliding manner, and the upper parts of the left auxiliary stitch sliding block and the right auxiliary stitch sliding block are respectively connected with the left auxiliary stitch and the right auxiliary stitch;
the stitch cam driving assembly comprises a motor II, a stitch slide bar, a left stitch slide block and a right stitch slide block; two bearings are fixed on the stitch slide bar, and the upper part of the stitch slide bar is of a rack structure; the output shaft of the second motor is connected with a second gear, and the second gear is meshed and driven with a rack structure at the upper part of the stitch slide bar; the upper parts of the left stitch sliding block and the right stitch sliding block are respectively provided with a protruding block, the two protruding blocks are respectively embedded in a pair of splayed sliding grooves II formed in the triangular motherboard, and the two protruding blocks are respectively fixedly connected with the left stitch triangle and the right stitch triangle; the bottoms of the left degree mesh sliding block and the right degree mesh sliding block are respectively provided with a groove structure, and two side surfaces of the groove structure are of non-planar structures; when the output shaft of the motor II rotates to drive the gear II to rotate, the gear II is meshed with the rack structure on the upper part of the stitch slide bar to drive the stitch slide bar to move left and right, and in the process of moving the stitch slide bar left and right, two bearings respectively act in the groove structures at the bottoms of the left stitch slide block and the right stitch slide block, so that the left stitch slide block and the right stitch slide block move up and down in a directional manner.
2. The four-system computerized flat knitting machine bottom plate device of claim 1, wherein: the motor I and the motor II are arranged on the same motor fixing seat.
3. The four-system computerized flat knitting machine bottom plate device of claim 2, wherein: an upper slide bar fixing piece, a middle slide bar fixing piece and a lower slide bar fixing piece are sequentially arranged on the surface, opposite to the first motor and the second motor, of the motor fixing seat from top to bottom; the upper slide bar fixing piece and the middle slide bar fixing piece limit the auxiliary degree slide bar on the motor fixing seat; the middle slide bar fixing piece and the lower slide bar fixing piece limit the degree slide bar on the motor fixing seat.
4. A four-system computerized flat knitting machine base plate device according to claim 3, characterized in that: the cross section of the upper slide bar fixing piece is L-shaped.
5. The four-system computerized flat knitting machine bottom plate device of claim 1, wherein: the first motor and the second motor are both stepping motors.
6. The four-system computerized flat knitting machine bottom plate device of claim 1, wherein: the triangle master plate has a width of 550mm.
7. The four-system computerized flat knitting machine bottom plate device of claim 1, wherein: the triangular motherboard is also provided with a left needle return triangle, a right needle return triangle, a left adjustable triangle, a right adjustable triangle, a left reserved triangle, a right reserved triangle, three middle needle return triangles and three middle reserved triangles; the left needle return cam and the right needle return cam are arranged left and right and are positioned at two sides of the four-set cam system, the left adjustable cam is positioned below the left needle return cam, the left reserved cam is positioned below the left adjustable cam, the right adjustable cam is positioned below the right needle return cam, and the right reserved cam is positioned below the right adjustable cam; the three middle needle return cams and the three middle retaining cams are arranged in a one-to-one correspondence manner from top to bottom and are sequentially arranged between every two adjacent cam systems from left to right.
8. The four-system computerized flat knitting machine bottom plate device of claim 1, wherein: four push-pin motors are arranged on the back of the needle selecting mother board.
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| CN201810634076.8A CN108625032B (en) | 2018-06-20 | 2018-06-20 | Bottom plate device of four-system computerized flat knitting machine |
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| CN108625032B true CN108625032B (en) | 2023-08-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109468738B (en) * | 2019-01-14 | 2023-09-22 | 宁波博日机械有限公司 | Three-system flat knitting machine bottom plate |
| CN110219091A (en) * | 2019-06-17 | 2019-09-10 | 浙江丰帆数控机械有限公司 | A kind of two sections of degree mesh control devices and flat machine of flat machine |
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| CN108625032A (en) | 2018-10-09 |
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