CN109112711B - Water chestnut and lower disc jacquard knitting mechanism capable of sectionally pressing needles and with adjustable pressing needle relative positions and circular knitting machine - Google Patents
Water chestnut and lower disc jacquard knitting mechanism capable of sectionally pressing needles and with adjustable pressing needle relative positions and circular knitting machine Download PDFInfo
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- CN109112711B CN109112711B CN201811183261.6A CN201811183261A CN109112711B CN 109112711 B CN109112711 B CN 109112711B CN 201811183261 A CN201811183261 A CN 201811183261A CN 109112711 B CN109112711 B CN 109112711B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 86
- 235000009165 saligot Nutrition 0.000 title claims abstract description 64
- 238000009940 knitting Methods 0.000 title claims abstract description 56
- 235000003283 Pachira macrocarpa Nutrition 0.000 title claims abstract description 54
- 235000014364 Trapa natans Nutrition 0.000 title claims abstract description 54
- 240000001085 Trapa natans Species 0.000 title abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000011218 segmentation Effects 0.000 claims description 4
- 241001083492 Trapa Species 0.000 claims 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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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
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Abstract
The invention relates to the field of textile equipment, in particular to a water chestnut and bottom plate jacquard mechanism capable of sectionally pressing needles and adjustable in pressing needle relative positions and a circular knitting machine. The water caltrop comprises a fixed block, a movable block, a floating line, a tuck needle pressing track, a looping needle pressing track, a movable component and a linkage component; the movable block is provided with a first adjusting device, a first strip hole and a second strip hole; the first adjusting device comprises a first chute, a first pressing block, a first spring and a first lever; the first lever comprises a first resistance arm, a first power arm and a press roller; the movable block is also provided with a second adjusting device which comprises a second chute, a second pressing block, a second spring, a clearance groove and a communication hole; the movable component comprises a connecting rod and a second lever; the linkage assembly comprises a linkage rod, and the linkage rod is provided with a mounting hole and a mounting groove. The invention provides a water chestnut capable of sectionally pressing needles and adjusting the relative positions of the pressing needles, which can change the height and the front and back positions of the needle pressing positions in the running process of a machine.
Description
Technical Field
The invention relates to the field of textile equipment, in particular to a water chestnut and bottom plate jacquard mechanism capable of sectionally pressing needles and adjustable in pressing needle relative positions and a circular knitting machine.
Background
A circular knitting machine is generally referred to as a double-sided circular knitting machine, which is a knitting machine capable of simultaneously knitting the inner and outer surfaces of a knitted fabric. The core mechanism of the circular knitting machine is a knitting mechanism arranged at the central part of a frame, and the core of the knitting mechanism consists of a needle bed which is driven by a motor to continuously rotate around the axis of the center of the needle bed and a group of water caltrops fixed on the frame, and the knitting principle and the process of the circular knitting machine of the prior type are as follows: the upper surface and the side surface of the needle bed are provided with a plurality of strip-shaped ' crack ' structures, which are commonly called needle grooves by the technicians in the field, a group of jacquard mechanisms are arranged in each needle groove, the existing jacquard mechanisms are generally composed of knitting needles and jacquard sheets for controlling the knitting needles to perform various knitting actions, the jacquard mechanisms are always placed in the needle grooves, in addition, the water caltrops are generally correspondingly fixed at the positions above the surfaces of the needle grooves, the surfaces of the water caltrops are characterized by a plurality of zigzag ' groove ' structures, which are commonly called needle-running tracks by the technicians in the field, and the knitting needles or the jacquard sheets are correspondingly provided with outwards-protruding ' bump ' structures, which are commonly called ' heels ' by the technicians in the field, the ' heels ' on the knitting needles are commonly called ' butts ', '. The ' heels ' on the jacquard sheet are usually called as ' heels ', the heels are exposed outside the needle grooves, the heels are forced to move along the extending direction of the needle-moving tracks under the drive of the rotation of the needle bed after entering the needle-moving tracks, however, the jacquard mechanism is limited by the walls of the needle grooves, so that under the combined action of the tracks and the needle grooves, the knitting needles continuously ' go out ' or ' retract ' along the length direction of the needle grooves to complete the knitting action in a circulating way, the needle-moving tracks are similar to the ' engines ' of the jacquard mechanism, the ' heels ' are similar to the ' transmission mechanisms ', the jacquard mechanism is driven by the ' engines ', the jacquard mechanism is continuously rotated by the back needle bed, the yarns are continuously knitted into fabrics, and the fabrics are synchronously wound by the cooperative cloth winder.
The applicant submitted a jacquard sheet component, a needle bed jacquard mechanism of a weft knitting machine and a weft knitting machine which are named as 'sectional needle-moving jacquard sheet component, weft knitting machine and needle bed jacquard mechanism of the weft knitting machine' on day 22 of 2017, and patent number 201710867520.6 discloses a jacquard mechanism and weft knitting machine with sectional needle-moving function, which can weave more abundant patterns compared with the traditional circular knitting machine because of more abundant needle-moving methods, however, with the continuous development of the market, the requirements of people on the patterns are higher, for example, the patterns on the inner surfaces of fabrics are expected to be changed, the patterns can be layered, and the like.
In fact, in the prior art, for example, similar to the method in the application, the needle-moving track is milled and chiseled on the surface of the water chestnut at one time, and the needle-pressing position is actually a special point on the needle-moving track, and the height and front and back positions of the needle-pressing position cannot be changed during the running process of the machine, so that the pattern and the three-dimensional sense of the knitted pattern are still limited greatly.
In view of this, the applicant has conducted a great deal of research and experiments, and has made improvements on the water chestnut (the former referred to as "triangle block") and saddle on the basis of this prior application, resulting in this patent.
Disclosure of Invention
The first object of the present invention is: the water chestnut capable of sectionally pressing the needle and adjusting the relative position of the pressing needle is provided, wherein the defects in the background are overcome, and the height and the front and back positions of the needle pressing position can be changed in the running process of a machine.
The second object of the present invention is: the lower disc jacquard knitting mechanism with sectional needle pressing and adjustable needle pressing relative positions can be provided for overcoming the defects in the background, and the height and the front and back positions of the needle pressing positions can be changed in the running process of the machine.
The third object of the present invention is: the knitting circular weft machine with adjustable needle pressing relative positions can change the height and front and back positions of the needle pressing positions in the running process of the machine and can be used for sectionally pressing the needles.
The first invention is realized by the following technical scheme: but segmentation pressure needle and pressure needle relative position adjustable water chestnut, its characterized in that: the water chestnut comprises a fixed block with a hollowed-out middle part and a movable block which is arranged in a cavity of the fixed block and can move left and right relative to the fixed block in the cavity; the upper part of the inner side surface of the water chestnut is provided with a floating line and a coil-collecting needle-pressing track which are formed by track sections positioned on the upper part of the inner side surface of the movable block and the upper part of the inner side surface of the fixed block, and the lower part of the inner side surface of the water chestnut is provided with a coil-forming needle-pressing track which is formed by track sections positioned on the lower part of the inner side surface of the movable block and the lower part of the inner side surface of the fixed block;
The upper part of the movable block is provided with a first adjusting device which is positioned above the floating line and coil collecting needle pressing rail and used for adjusting the needle pressing height of the floating line and coil collecting needle pressing rail, the first adjusting device comprises a first chute which is arranged at the upper part of the movable block and positioned above the floating line and coil collecting needle pressing rail, a first pressing block which is arranged in the first chute, a first spring which is arranged between the first chute and the first pressing block and a first lever which is hinged at the upper part of the outer side surface of the fixed block;
The first sliding chute is a chute with one end open and one end closed, the upper part of the movable block extends to the top of the movable block, the upper part of the first pressing block is exposed outside the first sliding chute, one side of the first pressing block, which is close to the dial, protrudes out of the upper part of the inner side surface of the movable block from the inside of the first sliding chute, the first spring is arranged along the extending direction of the chute of the first sliding chute, one end of the first spring is propped against the chute wall at the lower end of the first sliding chute, the first lever comprises a first resistance arm for pressing the first pressing block into the chute of the first sliding chute and a first power arm which can be matched with an external control mechanism for controlling the pressing depth of the first pressing block, and the free end of the first resistance arm is provided with a pressing roller for pressing the first pressing block, and the pressing roller stretches into the gap between the fixed block and the movable block and is positioned above the first pressing block;
The lower part of the movable block is provided with a second adjusting device positioned above the looping needle pressing track, the second adjusting device is used for adjusting the needle pressing height of the looping needle pressing track, and the second adjusting device comprises a second sliding groove, a second pressing block, a second spring and an empty avoiding groove, the second sliding groove is arranged at the lower part of the movable block and positioned above the looping needle pressing track, the second pressing block is arranged in the second sliding groove, the second spring is arranged between the second sliding groove and the second pressing block, and the empty avoiding groove is arranged at the middle part of the outer side surface of the movable block;
A communication hole which is convenient for the upper part of the second pressing block to extend into the clearance groove is arranged between the lower part of the clearance groove and the upper part of the second sliding groove, the clearance groove is used for accommodating an external control mechanism so as to control the position of the second pressing block in the second sliding groove, a spring mounting groove used for placing a second spring is arranged on the side wall of the groove wall of one side of the second sliding groove, which is close to the second sliding groove, the spring mounting groove is a groove extending downwards the movable block, a spring mounting groove which corresponds to the spring mounting groove and is used for placing the second spring is also arranged on the groove wall of the corresponding side of the second sliding groove, one end of the second spring is propped against the groove wall of one side of the blind end of the spring mounting groove, and the other end of the second spring is propped against the groove wall of the spring mounting groove;
The water chestnut also comprises a movable component arranged on the outer side surface of the water chestnut, the movable component is used for controlling the movable block to move left and right in the fixed block, and the movable component comprises a connecting rod and a second lever; the lower end of the connecting rod is hinged to the lower part of the fixed block, and the upper end of the connecting rod is hinged to the lower part of the movable block; the pivot of the second lever is hinged to the lower part of the fixed block, and the second lever comprises a second resistance arm with a free end hinged to the lower part of the movable block and a second power arm which can be matched with an external control mechanism and used for controlling the movable block to move left and right;
The water chestnut is characterized by further comprising a linkage assembly arranged on the outer side face of the water chestnut, wherein the linkage assembly is used for enabling the first pressing block and the second pressing block to generate linkage and limiting the minimum distance between the first pressing block and the second pressing block, the linkage assembly comprises a linkage rod, the upper end of the linkage rod is provided with a mounting hole, the lower end of the linkage rod is provided with a mounting groove, the upper portion of the outer side face of the movable block is provided with a first strip hole, the lower portion of the linkage rod is provided with a second strip hole, and the mounting hole on the upper portion of the linkage rod is respectively connected with the first strip hole on the upper portion of the movable block and the mounting groove and the second strip hole through bolt hinges.
The working principle is as follows:
first, the front and rear positions of the needle pressing needle position are adjusted as follows:
Unlike available water caltrop, the present water caltrop has one integral movable block with needle pressing position set on the movable block, and the second power arm on the second lever controlled by the external control mechanism to drive the double rocker mechanism to shake right and left to drive the movable block to move back and forth relatively to the fixed block, so that the needle pressing position may be controlled by program to change the needle pressing position in real time;
Secondly, the height position of the needle pressing position is adjusted in such a way that:
The device is different from the existing adjusting device for adjusting the height of the needle pressing on the water chestnut, and the height position of the pressing block is fixed by utilizing a locking device, so that the height of the needle pressing position of the water chestnut on the water chestnut needs to be adjusted according to the related parameters of the batch of fabrics before the machine operates, but the height of the needle pressing position cannot be adjusted after the machine starts to operate, and the height of the needle pressing position is related to the thickness of the fabrics, namely the existing circular knitting machine can only realize the thickness difference of the fabrics among different batches of fabrics and cannot realize the thickness difference of the fabrics on the same piece of cloth;
In the application, an external control mechanism arranged in the clearance groove is utilized to replace a fixing device in the prior art to push the second pressing block, so that the second pressing block is kept in a movable state all the time in the running process of the machine, and after the machine runs, the push degree of the second pressing block can be controlled through the control of an external program, thereby controlling the height of the needle pressing position in real time in the running process of the machine.
The linkage assembly is used for controlling the relative distance between the first pressing block and the second pressing block, so that the second pressing block is linked to press down when the first pressing block presses down, and the heights of the pressing needles of different tracks are kept consistent.
The second invention aims at realizing the following technical scheme: the utility model provides a but segmentation pressure needle and pressure needle relative position adjustable lower wall jacquard weave mechanism which characterized in that: the lower disc jacquard knitting mechanism comprises a frame, a needle disc rotating around a central shaft of the frame, a plurality of saddles fixed on the frame and distributed around the central shaft on the periphery of the outer side of the needle disc in different radial directions, a group of water chestnut components are fixed on the inner side surface of each saddle, each group of water chestnut components comprises at least one water chestnut which can be used for pressing needles in a sectionally mode 1 and is adjustable in relative position of the needles, and the lower disc jacquard knitting mechanism further comprises a first control mechanism, a second control mechanism, a third control mechanism and a control device;
the first control mechanism is a cam mechanism arranged between the clearance groove and the saddle, and the second pressing block is pressed into the second sliding groove when the cam mechanism rotates;
The second control mechanism comprises a reset spring arranged on the saddle and positioned above the second power arm and a first pushing device arranged on the saddle and positioned below the second power arm, and the first pushing device is used for pushing the free end of the second power arm upwards;
The third control mechanism is a second pushing device which is arranged on the saddle and is positioned beside the first power arm, and the second pushing device is used for pushing the free end of the first power arm to the right side;
The control device is arranged on the frame and is electrically connected with the first control mechanism, the second control mechanism and the third control mechanism, and the control device controls the start and stop operation of the first control mechanism and the second control mechanism.
The third invention aims at realizing the following technical scheme: a circular knitting machine, characterized in that: comprises water caltrop which can be used for pressing needles in a segmented way and has adjustable relative position of the pressing needles in the second technical scheme.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the height of the needle position of the needle can be changed through the mechanism in the clearance groove in the running process of the machine, and the front and rear positions of the needle position can be changed through the second lever, so that more knitting motion changes can be realized, and more complex fabric pattern effects can be compiled.
Drawings
FIG. 1 is a schematic diagram of explosion of water chestnut in example 1;
FIG. 2 is a second schematic explosion diagram of water chestnut in example 1;
fig. 3 is a front view of water chestnut in example 1;
FIG. 4 is an enlarged view of a portion of the portion K of FIG. 3;
FIG. 5 is a rear view of the water chestnut of example 1;
FIG. 6 is a schematic diagram showing the structure of a bottom wall jacquard weave mechanism according to embodiment 2;
FIG. 7 is a schematic view showing the internal structure of a bottom wall jacquard weave mechanism according to embodiment 2;
fig. 8 is a schematic diagram of the three-dimensional structure of the water chestnut and the saddle in the embodiment 2.
Description of the reference numerals: the device comprises an A-floating thread and a coil pressing needle track, a B-looping pressing needle track, a 1-fixed block, a 11-cavity and a 2-movable block;
211-first sliding grooves, 212-first pressing blocks, 213-first springs, 214-first levers, 2141-first resistance arms, 2142-first power arms, 2143-press rolls, 221-second sliding grooves, 222-second pressing blocks, 223-second springs, 224-empty avoidance grooves, 2241-communication holes, 225-spring mounting grooves and 226-spring mounting grooves;
231-connecting rod, 232-second lever, 2321-second resistance arm, 2322-second power arm; 241-linkage rod, 2411-mounting hole, 2412-mounting groove, 251-first elongated hole, 252-second elongated hole;
3-frame, 31-center shaft, 4-dial, 5-saddle, 6-pressing mechanism, 71-reset spring, 72-first pushing device, 73-second pushing device.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
Example 1:
The embodiment is a water chestnut with sectional needle pressing and adjustable needle pressing relative position, wherein the water chestnut comprises a fixed block 1 with a hollowed middle part and a movable block 2 which is arranged in a cavity 11 of the fixed block 1 and can move left and right relative to the fixed block 1 in the cavity 11; the upper part of the inner side surface of the water chestnut is provided with a floating line and a coil-collecting needle-pressing track A which are formed by track sections positioned on the upper part of the inner side surface of the movable block and the upper part of the inner side surface of the fixed block, and the lower part of the inner side surface of the water chestnut is provided with a coil-forming needle-pressing track B which is formed by track sections positioned on the lower part of the inner side surface of the movable block and the lower part of the inner side surface of the fixed block;
The upper part of the movable block 2 is provided with a first adjusting device which is positioned above the floating line and coil collecting needle pressing track A and used for adjusting the needle pressing height of the floating line and coil collecting needle pressing track A, the first adjusting device comprises a first sliding groove 211 which is arranged at the upper part of the movable block 2 and positioned above the floating line and coil collecting needle pressing track A, a first pressing block 212 which is arranged in the first sliding groove 211, a first spring 213 which is arranged between the first sliding groove 211 and the first pressing block 212, and a first lever 214 which is hinged at the upper part of the outer side surface of the fixed block 1;
The first sliding groove 211 is a groove channel with one open end and one closed end, which extends from the upper part of the movable block 2 to the top of the movable block 2, the upper part of the first pressing block 212 is exposed outside the first sliding groove 211, one side of the first pressing block 212 close to the dial protrudes from the upper part of the inner side surface of the movable block 2 from the inside of the first sliding groove 211, the first spring 213 is arranged along the extending direction of the groove channel of the first sliding groove 211, one end of the first spring 213 is propped against the groove wall at the lower end of the first sliding groove 211, the first lever 214 comprises a first resistance arm 2141 for pressing the first pressing block 212 into the groove channel of the first sliding groove 211 and a first power arm 2142 which can be matched with an external control mechanism for controlling the pressing depth of the first pressing block 212, a pressing roller 2143 for pressing the first pressing block 212 is arranged on the free end of the first resistance arm 2141, and the pressing roller 2143 extends into the gap between the fixed block 1 and the movable block 2 and is positioned above the first pressing block 212;
the lower part of the movable block 2 is provided with a second adjusting device positioned above the looping needle pressing track B, the second adjusting device is used for adjusting the needle pressing height of the looping needle pressing track B, and comprises a second sliding groove 221 arranged at the lower part of the movable block 2 and positioned above the looping needle pressing track B, a second pressing block 222 arranged in the second sliding groove 221, a second spring 223 arranged between the second sliding groove 221 and the second pressing block 222 and a clearance groove 224 arranged in the middle of the outer side surface of the movable block 2;
a communication hole 2241 is arranged between the lower part of the clearance groove 224 and the upper part of the second sliding groove 221, the upper part of the second pressing block 222 is convenient to extend into the clearance groove 224, the clearance groove 224 is used for accommodating an external control mechanism so as to control the position of the second pressing block 222 in the second sliding groove 221 and control the needle pressing position of the second pressing block 222, a spring mounting groove 225 for placing the second spring 223 is arranged on the side wall of the second pressing block 222, which is close to the groove wall of one side of the second sliding groove 221, the spring mounting groove 225 is a groove extending downwards of the movable block 2, a spring mounting groove 226 which corresponds to the spring mounting groove 225 and is used for placing the second spring 223 is also arranged on the groove wall of the corresponding side of the second sliding groove 221, one end of the second spring 223 is propped against the groove wall of the blind end side of the spring mounting groove 225, and the other end is propped against the groove wall of the spring mounting groove 226;
The water chestnut also comprises a movable component arranged on the outer side surface of the water chestnut, wherein the movable component is used for controlling the movable block 2 to move left and right in the fixed block 1, and the movable component comprises a connecting rod 231 and a second lever 232; the lower end of the connecting rod 231 is hinged to the lower part of the fixed block 1, and the upper end of the connecting rod is hinged to the lower part of the movable block 2; the pivot of the second lever 232 is hinged at the lower part of the fixed block 1, and the second lever 232 comprises a second resistance arm 2321 with a free end hinged at the lower part of the movable block 2 and a second power arm 2322 which can be matched with an external control mechanism to control the movable block 2 to move left and right;
The water chestnut is further provided with a linkage assembly arranged on the outer side face of the water chestnut, the linkage assembly is used for enabling the first pressing block 212 and the second pressing block 222 to generate linkage and limiting the minimum distance between the first pressing block 212 and the second pressing block 222, the linkage assembly comprises a linkage rod 241, the upper end of the linkage rod 241 is provided with a mounting hole 2411, the lower end of the linkage rod 241 is provided with a mounting groove 2412, the upper portion of the outer side face of the movable block is provided with a first strip hole 251, the lower portion of the linkage rod 241 is provided with a second strip hole 252, and the mounting hole 2411 on the upper portion of the linkage rod 241 is respectively connected with the first strip hole 251 on the upper portion of the movable block through bolt hinges.
Example 2:
The embodiment is a lower disc jacquard mechanism capable of pressing needles in a sectionalized manner and adjusting the relative positions of the pressing needles, the lower disc jacquard mechanism comprises a frame 3, a needle disc 4 rotating around a central shaft 31 of the frame 3, a plurality of saddles 5 fixed on the frame 3 and distributed around the central shaft 31 on the outer sides of the needle disc 4 in different radial directions, a group of water chestnut components are fixed on the inner side surface of each saddle 5, each group of water chestnut components comprises at least one water chestnut which can be pressed in a sectionalized manner and is adjustable in the relative positions of the pressing needles, and the lower disc jacquard mechanism further comprises a first control mechanism, a second control mechanism, a third control mechanism and a control device;
The first control mechanism is a cam mechanism 6 arranged between the clearance groove 224 and the saddle 5, and the second pressing block 222 is pressed into the second sliding groove 221 when the cam mechanism 6 rotates; the cam mechanism 6 drives the rotating shaft to rotate through the rotating shaft, and the rotating shaft can be driven in various modes, for example, the rotating shaft is controlled by adopting a manual rotation mode of an adjusting nut, or the rotating shaft is driven by an air cylinder or an oil cylinder to realize automatic control.
The second control mechanism comprises a return spring 71 mounted on saddle 5 and located above second power arm 2322, and a first pushing device 72 mounted on saddle 5 and located below second power arm 2322, first pushing device 72 being for pushing the free end of second power arm 2322 upwards;
The third control mechanism is a second pushing device 73 arranged on the saddle 5 and located beside the first power arm 2142, and the second pushing device 73 is used for pushing the free end of the first power arm 2142 to the right;
Here, the first pushing device 72 and the second pushing device 73 are each air cylinders in the present embodiment, but of course, in other embodiments, cam link mechanisms such as an oil cylinder, motor drive, and the like can be employed instead.
The control device is arranged on the frame 3 and is electrically connected with the first control mechanism, the second control mechanism and the third control mechanism, and the control device controls the start and stop work of the first control mechanism and the second control mechanism. The jacquard sheet assembly comprises jacquard sheets, control sheets and knitting needles which are sequentially connected end to end, wherein the jacquard sheets and the knitting needles are strip-shaped sheets, and the control sheets are sheet-shaped;
the main body of the knitting needle is a knitting needle body, the head of the knitting needle body is provided with a knitting part, the middle part of one side of the knitting needle body is provided with a convex butt, and the tail of the opposite side of the knitting needle body and the butt is provided with a concave hook groove;
The main body of the control piece is a control piece body, the head of the control piece body is provided with a convex drag hook capable of being hooked with a hook groove of a knitting needle, a convex piece heel is arranged on the same side of an opening of the drag hook below the drag hook, the middle part of the control piece body is provided with a convex fulcrum block for providing a fulcrum for the control piece, and the tail of the control piece body is provided with a convex lever block for driving the control piece to swing around the fulcrum block; the fulcrum block and the lever block are arranged on different sides;
The main body of the jacquard sheet is a jacquard sheet body, a needle raising butt, a needle selecting butt and a limiting butt are sequentially arranged at intervals from the tail to the head on one side of the jacquard sheet body, the needle raising butt, the needle selecting butt and the limiting butt are outwards protruded from the jacquard sheet body, and a concave reset groove for initial reset of the jacquard sheet assembly and a convex fulcrum arm for providing a fulcrum for radial swing of the jacquard sheet are sequentially arranged at intervals from the tail to the head on the other side of the jacquard sheet body.
The outer peripheral surface of the needle dial is provided with a plurality of needle grooves which extend in parallel with the central shaft 31 of the frame 3 and are uniformly distributed at each radial position of the outer periphery of the needle dial;
The jacquard sheet component is arranged in each needle groove and can move along the extending direction of the needle groove or radially and narrowly swing along the direction perpendicular to the extending direction;
Each saddle 5 is fixed on the frame 3 and is positioned outside the periphery of the dial; the water caltrops are positioned between the saddle 5 and the dial and fixedly arranged on the saddle 5; the side wall surface of the water chestnut, which is close to one side of the needle disc, is provided with a barrier block corresponding to the height position of the lever block, and the barrier block can be matched with the lever block to push the control piece into the needle groove;
the side wall surface of the water caltrop facing to one side of the dial is also respectively carved with:
The upper track is used for being matched with the needle lifting butt to enable the knitting needle to complete the needle lifting and resetting actions, the control sheet track is used for being matched with the butt to enable the knitting needle to complete the needle pressing actions, and the knitting needle track is used for being matched with the butt to enable the knitting needle to complete the needle pressing actions; the limiting butt is clamped below the upper edge of the ascending track and is matched with the butt to play a role in limiting the jacquard piece;
The jacquard knitting machine also comprises a plurality of reset cams which are respectively fixed on the frame 3 and positioned below the water chestnut, wherein reset convex blocks which are protruded to one side of the saddle 5 and correspond to the height positions of the reset grooves of the jacquard sheet body are arranged on the side walls of the reset cams, and the reset convex blocks are used for being matched with the reset grooves to push all the jacquard sheets in the needle grooves of the upper needle bed or the needle grooves of the lower needle bed into the uplink track for initial reset;
the jacquard knitting machine also comprises a plurality of needle lifting needle selectors used for selecting a specific knitting needle to complete needle lifting or semi-needle lifting knitting actions, wherein the needle lifting needle selectors penetrate through corresponding water caltrops and are fixedly arranged on the saddle 5, and the needle selectors are matched with the needle selector butts to select all jacquard pieces passing through the positions of the needle selectors so that the unused jacquard pieces are immersed into the needle grooves;
The reset lug and the needle lifting selector are sequentially arranged at intervals along the rotating direction of the needle dial, the needle lifting selector penetrates through the water chestnut and is fixedly arranged on the saddle 5, the needle lifting selector is matched with the needle selecting butt to select jacquard pieces pushed into the same yarn inlet path of the ascending track through the reset lug, and the unused jacquard pieces are pushed back into the needle grooves of the upper needle bed or the needle grooves of the lower needle bed.
In the embodiment of the lower disc jacquard mechanism, except for the water chestnut structure in the embodiment 1, the other structures are consistent with a jacquard sheet assembly capable of being used for sectional needle pressing and a knitting machine with the jacquard sheet assembly, and the patent number of the jacquard sheet assembly is 201710867520.6, wherein the application date of the jacquard sheet assembly is 2017, 9 and 22.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be appreciated that various changes and modifications can be made therein without departing from the spirit of the invention. It is, therefore, to be understood that the invention is not to be in any way limited except by the appended claims and their equivalents.
Claims (3)
1. But segmentation pressure needle and pressure needle relative position adjustable water chestnut, its characterized in that: the water chestnut comprises a fixed block (1) with a hollowed-out middle part and a movable block (2) which is arranged in a cavity (11) of the fixed block (1) and can move left and right relative to the fixed block (1) in the cavity (11); the upper part of the inner side surface of the water chestnut is provided with a floating line and a coil-collecting needle-pressing track (A) which are formed by track sections positioned on the upper part of the inner side surface of the movable block and the upper part of the inner side surface of the fixed block, and the lower part of the inner side surface of the water chestnut is provided with a coil-forming needle-pressing track (B) which is formed by track sections positioned on the lower part of the inner side surface of the movable block and the lower part of the inner side surface of the fixed block;
The upper part of the movable block (2) is provided with a first adjusting device which is positioned above the floating line and coil collecting needle pressing track (A) and used for adjusting the needle pressing height of the floating line and coil collecting needle pressing track (A), the first adjusting device comprises a first sliding groove (211) which is arranged on the upper part of the movable block (2) and positioned above the floating line and coil collecting needle pressing track (A), a first pressing block (212) which is arranged in the first sliding groove (211), a first spring (213) which is arranged between the first sliding groove (211) and the first pressing block (212) and a first lever (214) which is hinged on the upper part of the outer side surface of the fixed block (1);
The first sliding chute (211) is a chute with one end open and one end closed, which extends from the upper part of the movable block (2) to the top of the movable block (2), the upper part of the first pressing block (212) is exposed outside the first sliding chute (211), one side of the first pressing block (212) close to the dial protrudes from the upper part of the inner side surface of the movable block (2) in the first sliding chute (211), the first spring (213) is arranged along the extending direction of the chute of the first sliding chute (211), one end of the first spring is propped against the chute wall at the lower end of the first sliding chute (211), the first lever (214) comprises a first resistance arm (2141) for pressing the first pressing block (212) into the chute of the first sliding chute (211) and a first arm (2142) which can be matched with an external control mechanism for controlling the pressing depth of the first pressing block (212), the free end of the first resistance arm (2141) is provided with a pressing roller (2143) for pressing the first pressing block (212), and the pressing roller (2143) stretches into a gap between the fixed block (1) and the movable block (2) and is positioned above the first pressing block (212);
The lower part of the movable block (2) is provided with a second adjusting device positioned above the looping needle pressing track (B), the second adjusting device is used for adjusting the needle pressing height of the looping needle pressing track (B), and comprises a second sliding groove (221) arranged at the lower part of the movable block (2) and positioned above the looping needle pressing track (B), a second pressing block (222) arranged in the second sliding groove (221), a second spring (223) arranged between the second sliding groove (221) and the second pressing block (222) and a clearance groove (224) arranged at the middle part of the outer side surface of the movable block (2);
A communication hole (2241) which is convenient for the upper part of the second pressing block (222) to extend into the clearance groove (224) is arranged between the lower part of the clearance groove (224) and the upper part of the second sliding groove (221), the clearance groove (224) is used for accommodating an external control mechanism so as to control the position of the second pressing block (222) in the second sliding groove (221), a spring mounting groove (225) for placing a second spring (223) is arranged on the side wall, close to one side groove wall of the second sliding groove (221), of the second pressing block (222), the spring mounting groove (225) is a groove extending downwards to the movable block (2), a spring mounting groove (226) which corresponds to the spring mounting groove (225) and is used for placing the second spring (223) is also arranged on the corresponding side groove wall of the second sliding groove (221), one end of the second spring (223) is propped against the groove wall on the blind end side of the spring mounting groove (225), and the other end of the second spring mounting groove (223) is propped against the groove wall of the spring mounting groove (226);
The water chestnut also comprises a movable component arranged on the outer side surface of the water chestnut, the movable component is used for controlling the movable block (2) to move left and right in the fixed block (1), and the movable component comprises a connecting rod (231) and a second lever (232); the lower end of the connecting rod (231) is hinged to the lower part of the fixed block (1), and the upper end of the connecting rod is hinged to the lower part of the movable block (2); the pivot of the second lever (232) is hinged to the lower part of the fixed block (1), and the second lever (232) comprises a second resistance arm (2321) with a free end hinged to the lower part of the movable block (2) and a second power arm (2322) which can be matched with an external control mechanism to control the movable block (2) to move left and right;
The water chestnut is characterized by further comprising a linkage assembly arranged on the outer side face of the water chestnut, wherein the linkage assembly is used for enabling the first pressing block (212) and the second pressing block (222) to generate linkage and limiting the minimum distance between the first pressing block and the second pressing block, the linkage assembly comprises a linkage rod (241), the upper end of the linkage rod (241) is provided with a mounting hole (2411), the lower end of the linkage rod is provided with a mounting groove (2412), the upper portion of the outer side face of the movable block is provided with a first strip hole (251), the lower portion of the linkage rod is provided with a second strip hole (252), and the mounting hole (2411) on the upper portion of the linkage rod (241) is hinged with the first strip hole (251) on the upper portion of the movable block and the mounting groove (2412) and the second strip hole (252) are hinged with bolts respectively.
2. The utility model provides a but segmentation pressure needle and pressure needle relative position adjustable lower wall jacquard weave mechanism which characterized in that: the lower disc jacquard knitting mechanism comprises a frame (3), a needle disc (4) rotating around a central shaft (31) of the frame (3), a plurality of saddles (5) which are fixed on the frame (3) and distributed around the central shaft (31) on the outer periphery of the needle disc (4) in different radial directions, a group of water chestnut components are fixed on the inner side surface of each saddle (5), each group of water chestnut components comprises at least one water chestnut which can be used for pressing needles in a sectioning mode and is adjustable in the relative position of the pressing needles, and the lower disc jacquard knitting mechanism further comprises a first control mechanism, a second control mechanism, a third control mechanism and a control device;
the first control mechanism is a cam mechanism (6) arranged between the clearance groove (224) and the saddle (5), and the cam mechanism (6) presses the second pressing block (222) into the second sliding groove (221) when rotating;
The second control mechanism comprises a reset spring (71) which is arranged on the saddle (5) and is positioned above the second power arm (2322) and a first pushing device (72) which is arranged on the saddle (5) and is positioned below the second power arm (2322), wherein the first pushing device (72) is used for pushing the free end of the second power arm (2322) upwards;
The third control mechanism is a second pushing device (73) which is arranged on the saddle (5) and is positioned beside the first power arm (2142), and the second pushing device (73) is used for pushing the free end of the first power arm (2142) to the right side;
the control device is arranged on the frame (3) and is electrically connected with the first control mechanism, the second control mechanism and the third control mechanism, and the control device controls the start and stop work of the first control mechanism and the second control mechanism.
3. A circular knitting machine, characterized in that: a water chestnut comprising the sectionally adjustable needle pressing and needle pressing relative position of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183261.6A CN109112711B (en) | 2018-10-11 | 2018-10-11 | Water chestnut and lower disc jacquard knitting mechanism capable of sectionally pressing needles and with adjustable pressing needle relative positions and circular knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811183261.6A CN109112711B (en) | 2018-10-11 | 2018-10-11 | Water chestnut and lower disc jacquard knitting mechanism capable of sectionally pressing needles and with adjustable pressing needle relative positions and circular knitting machine |
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| CN109112711A CN109112711A (en) | 2019-01-01 |
| CN109112711B true CN109112711B (en) | 2024-04-19 |
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| CN201811183261.6A Active CN109112711B (en) | 2018-10-11 | 2018-10-11 | Water chestnut and lower disc jacquard knitting mechanism capable of sectionally pressing needles and with adjustable pressing needle relative positions and circular knitting machine |
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| CN (1) | CN109112711B (en) |
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| CN208949491U (en) * | 2018-10-11 | 2019-06-07 | 泉州全能智控机械研究所有限公司 | The adjustable water chestnut of sectional pressing and pressing relative position, lower plate loop selection mechanism and knitting circular knitting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3950965A (en) * | 1973-04-27 | 1976-04-20 | Billi S.P.A. | Auxiliary linkage for amplifying needle movement in circular knitting machines |
| JPH11158760A (en) * | 1997-11-27 | 1999-06-15 | Precision Fukuhara Works Ltd | Apparatus for adding tacking to fabric end in circular knitting machine and its controlling |
| CN1537987A (en) * | 2003-04-17 | 2004-10-20 | ��ʽ���縣ԭ���������� | Circuilar needleloom with knitting timing switching equipment |
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