CN111519332A - Non-interval yarn bottom raising device of computerized flat knitting machine - Google Patents
Non-interval yarn bottom raising device of computerized flat knitting machine Download PDFInfo
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- CN111519332A CN111519332A CN202010511183.9A CN202010511183A CN111519332A CN 111519332 A CN111519332 A CN 111519332A CN 202010511183 A CN202010511183 A CN 202010511183A CN 111519332 A CN111519332 A CN 111519332A
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- 238000009940 knitting Methods 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 262
- 239000010959 steel Substances 0.000 claims abstract description 262
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000009941 weaving Methods 0.000 claims description 11
- 210000003456 pulmonary alveoli Anatomy 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 13
- 230000000630 rising effect Effects 0.000 description 7
- 239000011295 pitch Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- D04B15/88—Take-up or draw-off devices for knitting products
- D04B15/90—Take-up or draw-off devices for knitting products for flat-bed knitting machines
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Abstract
A non-interval yarn end-starting device of a computerized flat knitting machine is characterized in that a wire feeding mechanism for feeding and collecting a threading steel wire is connected to an end-starting plate, and one end of the threading steel wire is fed and collected in a threading steel wire pipeline of the end-starting plate by the wire feeding mechanism and penetrates through a round hole of an end-starting trocar. The advantages are that: the structure is simple, the space and the parts are saved, and the use cost is reduced; the steel wire coiling and uncoiling efficiency and the reaction are high.
Description
Technical Field
The invention relates to the technical field of computerized flat knitting machines, in particular to a gapless yarn starting device.
Background
A manual flat knitting machine without an automatic drawing mechanism realizes drawing of a knitted piece by using a steel sheet welded with a looped trocar and a steel wire threading plate made of steel wires in a form of hanging a heavy hammer, only can weave a garment piece with plain weave or simple pattern tissue, and gradually replaces the manual flat knitting machine with an automatic computer flat knitting machine with high performance along with the improvement of science and technology, but the automatic drawing mechanism is subject to the factors of the width of the flat knitting machine, the bending resistance of a drawing roller, the loop looping position of front and rear knitting needles, the rigidity of a needle bed and the like, the clamping position of the drawing roller is often 30-35 mm away from the looping position, an auxiliary knitted piece for knitting intervals is required to enter the clamping position of the drawing roller to be knitted into a formal garment piece, and the auxiliary knitted piece for the intervals is removed to be treated as waste after the formal garment piece is knitted, so that a compound needle bottom lifting device with a main needle hook coil and an auxiliary needle withdrawal coil which are lifted is produced, in order to realize the stable quality of the lower cloth and the original row of the front piece during weaving, the expensive covered elastic yarn is adopted to carry out a few auxiliary weaving back and forth in view of the working principle of the compound needle, the formal front piece is still removed after weaving to be treated as waste, and although the time for weaving and removing the auxiliary weaving piece at intervals is saved compared with the time without a bottoming device, the waste is not small for a huge number of computer sweater weaving pieces.
For the traditional computerized flat knitting machine bottom lifting mode, a steel wire threading plate of a manual flat-knitting machine is modified to realize bottom lifting knitting without intermediate yarn, a group of rollers linked by synchronous gears are adopted for automatically sending and withdrawing the superfine steel wire passing through the coil, the steel wire is conveyed in a roller form but is difficult to withdraw the steel wire wrapped tightly by the coil, the fatal problems of a bottom lifting device without intermediate yarn or with few intermediate yarn of the computerized flat knitting machine are solved, the gap between two rollers is often adjusted to increase the friction force and an additional tension device, a set of winding rollers driven by a special motor are also added to recover the threading steel wire, but deformation such as unequal-diameter circular arcs, distortion and the like generated by metal fatigue of the steel wire with the diameter of 0.6 mm is ignored to realize normal sending and receiving of the steel wire, and normal bottom lifting knitting cannot be realized after one stage of continuous work.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a non-interyarn bottom lifting device.
In order to achieve the purpose, the invention adopts the following technical scheme that the non-interval yarn bottom lifting device of the computerized flat knitting machine comprises a bottom lifting plate, a bottom lifting trocar and a wire feeding mechanism, wherein the bottom lifting trocar is arranged on the bottom lifting plate, the wire feeding mechanism for feeding and collecting the threading steel wire is connected to the bottom lifting plate, and the wire feeding mechanism sends and collects the other end of the threading steel wire in a threading steel wire pipeline of the bottom lifting plate and penetrates through a round hole of the bottom lifting trocar.
Further, thread feeding mechanism establishes at the bottom plate downside, thread feeding mechanism includes the framework, driving motor, linear guide and slip table, gear and rack, the upper end is equipped with the slip table in the framework, the lower extreme is equipped with the gear in the framework, the side is equipped with the rotatory driving motor of drive gear, the plane is equipped with the rack under the linear guide, the plane is equipped with threading steel wire spout on the linear guide, the framework cover is outside linear guide, the slip table forms the shifting pair with linear guide sliding fit, gear and rack toothing form the transmission pair, threading steel wire one end is connected with threading steel wire fixed block, and fixed with the slip table, threading steel wire fixed block takes the threading steel wire to get into threading steel wire spout, the threading steel wire other end passes.
Furthermore, both ends of a threading steel wire chute of the linear guide rail are provided with threading steel wire fixed-length sensors which are used for controlling the length of the threading steel wire pushed forwards, transmitting a signal to the driving motor and controlling the driving motor to work; threading steel wire spout both sides are equipped with the technology groove respectively, and the threading steel wire in the threading steel wire spout in the middle of the plane on linear guide is fixed with the threading steel wire fixed block of establishing terminal surface under the slip table, and the threading steel wire fixed block is located the slip table terminal surface under and linear guide sliding fit's concave surface, and threading steel wire fixed block upper end is connected in the slip table concave surface for connecting portion, and the lower extreme is the cylinder that the fixed chamber of centre was equipped with the threading steel wire, and the cylinder inlays in threading steel wire spout one end.
Further, the wire feeding mechanism is arranged on the lower side of the lifting base plate and comprises a linear guide rail, a driving motor, a sliding table and a synchronous belt, two driving wheels are arranged on the linear guide rail, one driving wheel is connected with the driving motor and driven by the driving motor, the synchronous belt is arranged between the two driving wheels, the sliding table is fixed on the synchronous belt, a threading steel wire fixing block is arranged at the lower end of the sliding table, the upper end of the threading steel wire fixing block is connected onto the sliding table through a connecting part, the lower end of the threading steel wire fixing block is a cylinder provided with a threading steel wire fixing cavity in the middle, a threading steel wire sliding groove is arranged on the linear guide rail, the; threading steel wire fixed length sensors are arranged at two ends of a threading steel wire sliding groove of the linear guide rail and used for controlling the length of a forward pushed threading steel wire and transmitting a signal to the driving motor to control the driving motor to work, and the other end of the threading steel wire penetrates through the wire feeding mechanism.
Further, a shell is arranged outside the linear guide rail, the sliding table, the synchronous belt and the driving wheel are wrapped, and an opening through which the threading steel wire enters and exits is formed in the shell.
Further, wire drive feed mechanism establishes at the bottom plate downside, wire drive feed mechanism includes the box, the driving gear, drive gear, the steel wire sheave, driving motor, take tooth to rub the gyro wheel, take the alveolus to wipe wheel and steel wire business turn over hole, box one side is equipped with the cavity, the opposite side is equipped with driving motor, driving motor connects the driving gear that is located the cavity, it rotates to drive the driving gear, driving gear one side meshing drive gear, opposite side meshing alveolus gyro wheel, the alveolus gyro wheel of taking the tooth meshes simultaneously and takes tooth friction pulley, form four gears can co-rotate and not equidirectional rotatory threading steel wire send and receive aggregate unit again, the steel wire sheave passes through guide key sliding connection with drive gear's disjunctor concentric shaft, the steel wire sheave surface is equipped with the helicla flute. The surface of the roller with the tooth socket is provided with an arc groove, and one side of the cavity is provided with a steel wire inlet and outlet hole.
Furthermore, the steel wire sheave guide groove plate is positioned in the cavity and on the left side of the steel wire sheave, an inner ring is arranged on the right side of the steel wire sheave guide groove plate, and grooves with the same pitch as the spiral groove of the steel wire sheave are arranged on the wall of the inner ring and are embedded into the spiral groove of the steel wire sheave.
Furthermore, a threading steel wire pipeline is arranged on the right side of the lifting plate, the threading steel wire pipeline is an anti-blocking double-arc pipeline, and is provided with an induction groove for the sensor to sense, wherein the induction groove is provided with a section of opening which is ejected out when the threading steel wire is artificially blocked; the two ends of the lifting plate are connected with a lifting device.
Further, the horizontal one side of the bottom plate is equipped with the angle of weaving the plaiting opening that the needle bed formed around the cooperation computer machine, and be equipped with the needle groove, the bottom plate needle is inlayed in the needle groove, and penetrate the steel wire by the horizontal steel wire groove that the bottom plate was equipped with and fix it, threading steel wire pipeline comprises installation bedplate and guide pipeline, the guide pipeline is established and is formed threading steel wire pipeline in installation bedplate top, threading steel wire pipeline installs in the horizontal one side of bottom plate, threading steel wire pipeline exit end is equipped with one section and is the straight tube passageway, the round hole that the tube hole of straight tube passageway aimed at the threading steel wire that the bottom plate needle top was equipped with used.
Furthermore, a herringbone angle is arranged at the top of the bottom-rising trocar, a round hole for threading steel wires is arranged under the herringbone angle, the middle section is provided with a shape matched with the cross section of the bottom-rising plate, the tail part is provided with a long foot and a short foot, the long foot is also provided with a bayonet for fixing the steel wires, and the inner side of the tail end of the short foot is provided with an elastic anti-loosening bayonet.
Compared with the prior art, the invention has the beneficial effects that: the threading steel wire works under the condition of no or minimal friction force, the original mechanical property of the threading steel wire is always kept, the correctness and the flexibility of the feeding and the receiving of the threading steel wire are ensured, and the needle replacement is as simple as the needle replacement due to the fact that the bottom-up trocar needs to be replaced by people and other accidental reasons. Simple structure, thereby saving spare part and having reduced use cost. Because the top of the bottom-rising trocar is provided with the herringbone angle with the angle of the needle bed opening, a weaving piece of any tissue can be inserted, a needle of the starting coil can be completely pulled without leakage, the fabric is completely pulled down, the purpose of directly starting without interyarn is achieved, and the weaving cost is greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a diagram illustrating a state of use of embodiment 1 of the present invention.
Fig. 2 is a structural view of a lifting device and a lifting device in embodiment 1 of the present invention.
FIG. 3 is a structural view of a bottoming device in embodiment 1 of the present invention.
Fig. 4 is a structural view of a wire threading pipe in example 1 of the present invention.
Fig. 5 is a structural view of a wire feeder according to embodiment 1 of the present invention.
Fig. 6 is a structural view of a slide table in embodiment 1 of the present invention.
Figure 7 is a schematic view of the bottom-up trocar configuration of example 1 of the present invention.
FIG. 8 is a structural view of a bottoming device in embodiment 2 of the present invention.
Fig. 9 is a first structural view of a wire feeder according to embodiment 2 of the present invention.
Fig. 10 is a second structural view of a wire feeder according to embodiment 2 of the present invention.
Fig. 11 is a structure diagram of a slide table in embodiment 2 of the present invention.
FIG. 12 is a diagram showing the use state of embodiment 3 of the present invention
FIG. 13 is a structural view of a bottoming device in embodiment 3 of the present invention.
Fig. 14 is a structural view of a wire feeder according to embodiment 3 of the present invention.
Part names and corresponding numbers in the schematic diagram:
1 is a bottom lifting plate, 2 is a wire feeding mechanism, 3 is a bottom lifting sleeve needle, 4 is a threading steel wire pipeline, 5 is an installation seat plate, 6 is a straight pipe channel, 7 is a guide pipeline, 8 is a threading steel wire, 9 is a lifting device, 10 is a blocking sensor, 11 is a frame body, 12 is a driving motor, 13 is a linear guide rail, 14 is a threading steel wire chute, 15 is a rack, 16 is a gear, 17 is a sliding table, 18 is a threading steel wire fixed length sensor, 19 is a process groove, 20 is a threading steel wire fixed block, 21 is a sliding table concave surface, 22 is a connecting part, 23 is a cylinder, 24 is a shell, 25 is a transmission wheel, 26 is a synchronous belt, 27 is a box body, 28 is a cover plate, 29 is a driving gear, 30 is a steel wire inlet and outlet, 31 is a round hole, 32 is a bayonet for fixing the steel wire, 33 is an elastic anti-loosening bayonet, 34 is a needle groove, 35 is a driving gear, 38 is a steel wire grooved wheel, 39 is a spiral groove, 40 is a grooved roller, 41 is a toothed friction wheel, 42 is an arc groove, 43 is a guide key, 44 is a tension wheel, 45 is a tension wheel tension spring, and 46 is a tension wheel base slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1 referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a computerized flat knitting machine does not have yarn end device that rises between, includes bottom plate 1, the trocar 3 and the thread feeding mechanism 2 that rise, is equipped with the trocar 3 that rises on the bottom plate 1, connects the thread feeding mechanism 2 that is used for sending and receiving the threading steel wire on the bottom plate 1, and thread feeding mechanism 2 sends and receives the 8 other ends of threading steel wire in the threading steel wire pipeline 4 of bottom plate to pass the round hole 31 of the trocar that rises.
The utility model provides a computerized flat knitting machine does not have yarn between and plays end device, thread feeding mechanism 2 establishes at play 1 downside of bottom plate, thread feeding mechanism includes framework 11, driving motor 12, linear guide 13, slip table 17, gear 16 and rack 15, the upper end is equipped with slip table 17 in the framework 11, the lower extreme is equipped with gear 16 in the framework 11, the side is equipped with the rotatory driving motor 12 of drive gear, linear guide 13 lower plane is equipped with the rack 15 parallel with linear guide 13, the plane is equipped with threading steel wire spout 14 on the linear guide 13, framework 11 covers outside linear guide 13, slip table 17 forms the sliding pair with linear guide sliding fit, the gear forms the transmission pair with the rack meshing, threading steel wire one end is connected with threading steel wire fixed block, and fixed with the slip table, threading steel wire fixed block takes the threading steel wire to get into threading steel wire spout, the threading steel wire.
A computerized flat knitting machine non-interval yarn bottom lifting device is characterized in that two ends of a threading steel wire chute of a linear guide rail are provided with threading steel wire fixed-length sensors 18 which are used for controlling the length of a threading steel wire pushed forwards and transmitting a signal to a driving motor to control the driving motor to work; the two sides of the threading steel wire sliding groove 14 are respectively provided with a process groove 19, the threading steel wire sliding groove 14 is formed into a trapezoidal shape by extruding the process grooves 19, the upper opening groove can narrow and pass through a thin section in the middle of the threading steel wire fixing block, and meanwhile, the threading steel wire sliding groove is not exposed out of the upper arch when the steel wire is manually blocked. The threading steel wire in the threading steel wire spout in the middle of the plane on the linear guide is fixed with the threading steel wire fixed block of establishing terminal surface under the slip table, and the threading steel wire fixed block is located terminal surface and linear guide sliding fit's concave surface under the slip table, and 20 upper ends of threading steel wire fixed block are connected in slip table concave surface 17 for connecting portion 22, and the lower extreme is the cylinder that the centre was equipped with the fixed chamber of threading steel wire, and the cylinder inlays in threading steel wire spout one end.
A computerized flat knitting machine non-interval yarn bottom lifting device is characterized in that a threading steel wire pipeline 4 is arranged on the right side of a bottom lifting plate 1, the threading steel wire pipeline 4 is a resistance-reducing double-arc pipeline, and is provided with an opening which is exposed when a threading steel wire is artificially blocked and is used for a sensor to sense; the two ends of the lifting plate are connected with a lifting device 9.
The utility model provides a computerized flat knitting machine does not have yarn between end device that rises, it is equipped with the angle of the plaiting mouth that weaves that cooperation computer machine front and back needle bed formed to rise horizontal one side of bottom plate, and be equipped with needle groove 34, the trocar that rises is inlayed in the needle groove, and it is fixed with it by the horizontal steel wire groove that the bottom plate was equipped with penetrates the steel wire, threading steel wire pipeline 4 comprises installation bedplate 5 and guide pipe 7, guide pipe 7 is established and is formed threading steel wire pipeline 4 in installation bedplate 5 top, threading steel wire pipeline 4 is installed in 1 horizontal one side of bottom plate, threading steel wire pipeline exit end is equipped with one section and is straight tube passageway 6, the pipe hole of straight tube passageway aims at the round hole 31 that the threading steel wire that.
A computerized flat knitting machine non-interval yarn bottom-raising device is characterized in that a herringbone angle is arranged at the top of a bottom-raising trocar (3), a round hole (31) for threading steel wires is arranged under the herringbone angle, the middle section of the bottom-raising trocar is provided with a shape matched with the cross section of a bottom-raising plate, the tail part of the bottom-raising trocar is provided with a long foot and a short foot, the long foot is further provided with a bayonet (32) for fixing the steel wires, and the inner side of the tail.
The bottom-lifting sleeve needle 3 is embedded in the needle groove of the bottom-lifting plate 1, the side surface of the elastic hook of the short foot of the bottom-lifting sleeve needle 3 supports against the back surface of the needle groove, a transverse steel wire groove arranged on the bottom-lifting plate 1 penetrates a steel wire, and the steel wire fixing bayonet 32 arranged on the long foot is pressed and fixed.
The device is used in that when a computer begins to weave a piece, after a first row is woven, the lifting plate 1 is driven by the lifting device 9 to lift the lifting plate 1, a linkage signal enables a cloth roller to be in an open state, the lifting plate 1 continues to lift until a round hole 31 at the top of a lifting trocar 3 at the top of the lifting plate is higher than all coils of the first row of the piece and stops lifting, a driving motor 12 of a wire feeding mechanism starts to work through the linkage signal, a sliding table 17 which is connected with and fixes threading steel wires is driven to start to push the threading steel wires 8 forward through the action of a gear rack pair arranged under a linear guide rail 13, meanwhile, threading steel wire fixed length sensors 18 arranged at two ends of the linear guide rail 13 control the length of the forward pushed threading steel wires, the forward pushed threading steel wires 8 pass through a double-arc pipeline arranged at the right side of the lifting plate 1 and are sequentially fed into the round hole 31 at the top, until the threading steel wire 31 penetrates into the round hole 31 of the last rising bottom sleeve needle 3, the sliding table 17 for fixing the threading steel wire 8 and the pushing side sensors of the threading steel wire fixed length sensors 18 arranged at the two ends of the linear guide rail 13 realize induction and stop the pushing of the threading steel wire, at the moment, the exposed threading steel wire 8 between the rising bottom sleeve needles 3 is hung on the coils of the first transverse row, the rising bottom plate 1 starts to descend according to the setting of a program, when the herringbone parts of the rising bottom sleeve needles 3 reach the knitting cloth dropping ports formed by the front needle bed and the rear needle bed, the herringbone parts cannot be rubbed with the moving needles on the front needle bed and the rear needle bed, the computerized flat knitting machine starts to continue knitting according to the setting of the program, the rising bottom plate 1 sets the pulling piece of the pulling speed of the rising bottom plate 1 according to the knitting program written by different styles and different patterns of the fabric, so as to reach the tension required by the fabric knitting, and the lifting device 9 is asymmetrically pulled and is provided with the protection The automatic fine adjustment device. When the fabric drawn by the lifting bottom plate 1 reaches the cloth rolling position of the cloth rolling, the cloth rolling roller is automatically closed and enters an active cloth rolling working state, the lifting bottom plate is in a passive descending state, when the fabric reaches the weaving length set by the weaving program, the threading steel wire recovery program is started, namely, the driving motor 12 of the device starts working, the sliding table 17 which is connected with and fixes the threading steel wire is driven to start to recover the threading steel wire 8 backwards through the action of a gear-rack pair arranged below the linear guide rail, and when the fabric reaches the sensing point of a zero position (initial point) sensor of a threading steel wire fixed length sensor 18 arranged at two ends of the linear guide rail 13, an interval-free yarn bottom lifting weaving program is completed, so that the next step of circular work is expected. During threading, bending of the bottom-up trocar caused by human factors and blockage of a round hole for threading a steel wire due to the fact that a yarn knot is hung at the head of the bottom-up trocar caused by human negligence probably occur, the threading steel wire cannot advance and then can be arched out of an induction groove sensed by a blocked sensor of a steel wire channel pipe, and a blocked sensor 10 arranged outside a blocked open groove generates induction and starts a stop instruction.
The starting plate is required to be arranged on a lifting device for use, the lifting device is composed of equipment parts such as a rolling straight line guide sleeve pair (generally adopting an LB162636 OP type), an M5 circular arc tooth type synchronous transmission belt and a speed reduction or torque motor according to the existing national standard (GB/T16940-1997 and ISO 10285-2007), and belongs to the equipment parts conventionally used by computer flat knitting machine enterprises, and the computer flat knitting machine control system development enterprises in the knitting machinery industry also reserve a channel string interface for the system. The left end and the right end of the rising bottom plate are also provided with mounting positions required by the lifting device and mounting screw holes of a preset lifting angle plate.
4 preset lifting angle plate mounting screw holes are respectively formed in the left side and the right side of the lifting bottom plate.
Example 2 referring to fig. 8-11, the present invention provides the following technical solutions:
a computerized flat knitting machine non-interval yarn bottom lifting device is characterized in that a wire feeding mechanism is arranged on the lower side of a bottom lifting plate and comprises a linear guide rail 13, a driving motor 12, a sliding table 17 and a synchronous belt 26, two driving wheels 25 are arranged on the linear guide rail, one driving wheel is connected with the driving motor and driven by the driving motor, the synchronous belt is arranged between the two driving wheels, the sliding table is fixed on the synchronous belt, a threading steel wire fixing block is arranged at the lower end of the sliding table, the upper end of the threading steel wire fixing block is connected onto the sliding table through a connecting part, the lower end of the threading steel wire fixing block is a cylinder with a threading steel wire fixing cavity in the middle, a threading steel wire sliding groove is arranged on; threading steel wire fixed length sensors are arranged at two ends of a threading steel wire sliding groove of the linear guide rail and used for controlling the length of a forward pushed threading steel wire and transmitting a signal to the driving motor to control the driving motor to work, and the other end of the threading steel wire penetrates through the wire feeding mechanism.
A shell 24 is arranged outside a linear guide rail and wraps a sliding table, a synchronous belt and a driving wheel, and an opening for passing a threading steel wire in and out is formed in the shell.
The invention utilizes the fixed length pitch characteristic of a synchronous tooth-shaped belt and the characteristics of controllable flexibility and high tensile resistance to instruct different torques generated in the rotation of a driving motor to withdraw the threading steel wire in a non-constant speed mode until the threading steel wire is separated from a small round hole of a first base lifting trocar, and a return fixed length sensor generates induction to finish the withdrawal work of the threading steel wire.
Example 3 referring to fig. 12-14, the present invention provides the following technical solutions:
a non-interval yarn bottom lifting device of a computerized flat knitting machine is characterized in that a wire feeding mechanism is arranged on the lower side of a bottom lifting plate and comprises a box body 27, a driving gear 29, a driving gear 35, a steel wire grooved wheel 38, a driving motor 12, a grooved roller 40, a grooved friction wheel 41, a steel wire inlet and outlet hole 30, and a threading steel wire feeding and drawing tension device consisting of a tension wheel 44, a tension wheel tension spring 45 and a tension wheel base sliding block 46. A cavity is arranged on one side of the box body 27, a driving motor 12 is arranged on the other side of the box body, the driving motor 12 is connected with a driving gear 29 located in the cavity and drives the driving gear to rotate, one side of the driving gear 29 is meshed with a driving gear 35, the other side of the driving gear is meshed with a grooved roller 4, and the grooved roller is simultaneously meshed with a toothed friction wheel 41 to form a threading steel wire feeding and receiving linkage device with four gears capable of rotating in the same direction and rotating in different directions. The steel wire grooved wheel 38 is connected with the connected concentric shaft of the driving gear 35 in a sliding mode through a guide key 43, a spiral groove 39 for winding the threading steel wire 8 is formed in the outer surface of the steel wire grooved wheel 38, and a tension wheel device is further arranged on the right side of the steel wire grooved wheel. The surface of the roller with the tooth socket is provided with an arc groove 42, and one side of the cavity is provided with a steel wire inlet and outlet hole 30.
A non-interval yarn bottom lifting device of a computerized flat knitting machine is characterized in that a steel wire grooved wheel guide groove plate 36 is positioned in a cavity and is arranged on the left side of a steel wire grooved wheel 38, an inner ring is arranged on the right side of the steel wire grooved wheel guide groove plate 36, grooves 37 with the same pitch as that of a steel wire grooved wheel spiral groove 39 are arranged on the wall of the inner ring and are embedded into the spiral groove 39, and a channel for enabling a threading steel wire 8 to smoothly move back and forth is reserved in the spiral.
A computerized flat knitting machine without interval yarn bottom lifting device is characterized in that a driving motor rotates to drive a driving gear to rotate, and a program for controlling the driving motor to rotate forward and backward is arranged.
A non-interyarn bottom raising device of a computerized flat knitting machine is characterized in that a driving gear, a roller with a tooth groove and a friction wheel with teeth are rotatably connected in a cavity.
A computerized flat knitting machine non-interval yarn bottom lifting device is characterized in that a driving gear drives a driving gear to rotate, a driving gear 35 drives a steel wire grooved wheel 38 to rotate, and the steel wire grooved wheel rotates to take up and pay off threading steel wires through a spiral groove.
The driving gear rotates to drive the grooved roller and the toothed friction wheel to rotate simultaneously, the grooved roller and the toothed friction wheel are a pair of power-assisted combined wheels for feeding and retracting the steel wires, and the outer surface of the grooved roller is provided with an arc groove 42 which plays roles in feeding, retracting, positioning and guiding the steel wires.
A non-interval yarn bottom lifting device of a computerized flat knitting machine is characterized in that a steel wire sheave is sleeved on a guide key 43 of a shaft sleeve of a driving gear 35 in a sliding connection mode and acts on a steel wire sheave guide groove plate 36 fixed on a box body and groove grooves 37 with the same pitch as a steel wire sheave spiral groove 39, so that the rotating steel wire sheave moves back and forth along the guide key according to the steering of a driving motor, the entry-exit position of a threading steel wire 8 on the steel wire sheave, an arc groove 42 of the grooved roller and a steel wire inlet-outlet 30 on the box body are kept on the same plane, and deformation and accelerated metal fatigue caused by the threading steel wire in the process of sending and receiving the threading steel wire are reduced to the maximum extent.
A non-interval yarn bottom raising device of a computerized flat knitting machine is characterized in that an arc groove is formed in the excircle of a grooved roller, the width of the arc groove is 10-15 percent of the outer diameter of a threading steel wire, the depth of the arc groove is 10-15 percent of the outer diameter of the threading steel wire, the arc groove is smaller than the outer diameter of the threading steel wire, useless resistance is not generated in the arc groove of the grooved roller of the threading steel wire, meanwhile, the rotating grooved roller can be in contact with the threading steel wire, and certain friction force is generated to realize feeding and receiving of the threading steel.
A non-interval yarn bottom lifting device of a computerized flat knitting machine is characterized in that a friction wheel with teeth is provided with an adjustable tension device to facilitate reasonable friction force and to send out a threading steel wire without deformation of the threading steel wire, because the reverse rotation of a steel wire grooved wheel generates sending-out force on the threading steel wire, a roller with the teeth grooves and the friction wheel with teeth are a pair of power-assisted combined wheels for sending out the threading steel wire, namely, the gap between wheel pitches cannot generate deformation of the threading steel wire, and errors generated by factors such as mechanical structure, processing and assembly can influence the gap of the power-assisted combined wheels so as to influence the magnitude of the friction force, so the adjustable tension device for sending and pulling out the threading steel wire, which is composed of a tension wheel 44, a tension wheel tension spring 45 and a tension wheel base sliding block 46, is. The outer surface of the tension wheel 44 is also provided with an arc-shaped annular groove which plays a role in keeping the positioning steel wire and the arc-shaped groove 42 with the tooth groove roller and the steel wire inlet and outlet 30 on the box body on the same flatness, and simultaneously plays an effect of complementing with the steel wire sheave guide groove plate 36, the steel wire sheave guide groove plate 36 can restrain the outward arching phenomenon of the threading steel wire, and the outward arching phenomenon of the threading steel wire generated by the adjustable tension device in an accident situation tightens the outward arching threading steel wire 8 under the action of the tension wheel tension spring 45 so that the tooth groove roller 40 and the tooth friction wheel 41 smoothly work on the power-assisted combined wheel for sending and receiving the steel wire, thereby ensuring that the threading steel wire 8 smoothly enters the small round hole of the bottom plate trocar.
A computerized flat knitting machine does not have yarn device of starting at the bottom between, steel wire sheave guide way board 36 side is fixed with the box, and steel wire sheave guide way board 36 plays steel wire sheave 38 round trip movement, still plays the suppression simultaneously and send the steel wire sheave reversal when threading the steel wire, the outer hunch phenomenon that the threading steel wire probably produced when sending out the steel wire promptly.
A non-interyarn bottom lifting device of a computerized flat knitting machine is characterized in that an opening is formed in one side of a cavity of a box body, and a cover plate 28 is arranged on the right side of a driving gear to cover a driving gear, a roller with a tooth groove and a friction wheel with a tooth.
The invention aims to solve the defects in the prior art, and provides a non-interyarn bottom lifting device which consists of a non-friction steel wire for conveying threading, a driving device for recovering the threading steel wire tightly wrapped by a coil and an assembled bottom lifting plate.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a computerized flat knitting machine does not have yarn device of starting end between which characterized in that: the wire feeding mechanism sends and receives the other end of the threading steel wire in a threading steel wire pipeline of the lifting plate and penetrates through a round hole of the lifting trocar.
2. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: wire drive feed mechanism establishes at the bottom plate downside, wire drive feed mechanism includes the framework, driving motor, linear guide and slip table, gear and rack, the upper end is equipped with the slip table in the framework, the lower extreme is equipped with the gear in the framework, the side is equipped with the rotatory driving motor of drive gear, the plane is equipped with the rack under the linear guide, the last plane of linear guide is equipped with threading steel wire spout, the framework cover is outside linear guide, the slip table forms the shifting pair with linear guide sliding fit, gear and rack toothing form the transmission pair, threading steel wire one end is connected with threading steel wire fixed block, and fixed with the slip table, threading steel wire fixed block takes the threading steel wire to get into the threading steel wire spout, the threading.
3. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 2, characterized in that: two ends of a threading steel wire chute of the linear guide rail are provided with threading steel wire fixed-length sensors which are used for controlling the length of the threading steel wire pushed forwards, transmitting a signal to a driving motor and controlling the driving motor to work; threading steel wire spout both sides are equipped with the technology groove respectively, and the threading steel wire in the threading steel wire spout in the middle of the plane on linear guide is fixed with the threading steel wire fixed block of establishing terminal surface under the slip table, and the threading steel wire fixed block is located the slip table terminal surface under and linear guide sliding fit's concave surface, and threading steel wire fixed block upper end is connected in the slip table concave surface for connecting portion, and the lower extreme is the cylinder that the fixed chamber of centre was equipped with the threading steel wire, and the cylinder inlays in threading steel wire spout one end.
4. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: the wire feeding mechanism is arranged on the lower side of the lifting base plate and comprises a linear guide rail, a driving motor, a sliding table and a synchronous belt, wherein two driving wheels are arranged on the linear guide rail, one driving wheel is connected with the driving motor and driven by the driving motor, the synchronous belt is arranged between the two driving wheels, the sliding table is fixed on the synchronous belt, a threading steel wire fixing block is arranged at the lower end of the sliding table, the upper end of the threading steel wire fixing block is connected onto the sliding table through a connecting part, the lower end of the threading steel wire fixing block is a cylinder with a threading steel wire fixing cavity in the middle, the cylinder is embedded at one end of the threading steel wire; threading steel wire fixed length sensors are arranged at two ends of a threading steel wire sliding groove of the linear guide rail and used for controlling the length of a forward pushed threading steel wire and transmitting a signal to the driving motor to control the driving motor to work, and the other end of the threading steel wire penetrates through the wire feeding mechanism.
5. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 4, wherein: the linear guide is externally provided with a shell, the sliding table, the synchronous belt and the driving wheel are wrapped, and the shell is provided with an opening through which the threading steel wire enters and exits.
6. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: wire drive feed mechanism establishes at the bottom plate downside, wire drive feed mechanism includes the box, the driving gear, drive gear, the steel wire sheave, driving motor, take the alveolus gyro wheel, take the alveolus friction pulley and steel wire business turn over hole, box one side is equipped with the cavity, the opposite side is equipped with driving motor, driving motor connects the driving gear that is located the cavity, it rotates to drive the driving gear, driving gear one side meshing drive gear, the alveolus gyro wheel is taken in the opposite side meshing, take the alveolus gyro wheel to mesh simultaneously and take the alveolus friction pulley, form four gears can co-rotate and the rotatory threading steel wire of equidire. The steel wire grooved wheel is connected with the connected concentric shaft of the driving gear in a sliding mode through the guide key, a spiral groove for winding the threading steel wire is formed in the outer surface of the steel wire grooved wheel, and a tensioning wheel device is further arranged on the right side of the steel wire grooved wheel. The surface of the roller with the tooth socket is provided with an arc groove, and one side of the cavity is provided with a steel wire inlet and outlet hole.
7. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 6, wherein: the steel wire grooved wheel guide groove plate is positioned in the cavity and is arranged on the left side of the steel wire grooved wheel, an inner ring is arranged on the right side of the steel wire grooved wheel guide groove plate, and grooves with the same pitch as that of the steel wire grooved wheel spiral groove are formed in the wall of the inner ring and are embedded into the spiral groove of the steel wire grooved wheel.
8. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: a threading steel wire pipeline is arranged on the right side of the lifting plate, the threading steel wire pipeline is an anti-blocking double-arc pipeline, and is provided with an opening which is popped out when the threading steel wire is artificially blocked and is used as an induction groove for a sensor to sense; the two ends of the lifting plate are connected with a lifting device.
9. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: the horizontal one side of play bottom plate is equipped with the angle of weaving the cropping mouth that the needle bed formed around the cooperation computer machine, and be equipped with the needle groove, play end trocar inlay in the needle groove, and penetrate the steel wire by the horizontal steel wire groove that play bottom plate was equipped with and fix it, the threading steel wire pipeline comprises installation bedplate and guide pipeline, the guide pipeline is established and is formed the threading steel wire pipeline in installation bedplate top, the threading steel wire pipeline is installed in the horizontal one side of play bottom plate, threading steel wire pipeline exit end is equipped with one section and is the straight tube passageway, the round hole that the tube hole of straight tube passageway aimed at the threading steel wire that play end trocar top was equipped with was.
10. The non-intermediate yarn bottom-starting device of the computerized flat knitting machine according to claim 1, characterized in that: the top of the bottom-rising trocar is provided with a herringbone angle, a round hole for threading a steel wire is arranged under the herringbone angle, the middle section is provided with a shape matched with the cross section of the bottom-rising plate, the tail part is provided with a long foot and a short foot, the long foot is also provided with a bayonet for fixing the steel wire, and the inner side of the tail end of the short foot is provided with an elastic anti-loosening bayonet.
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