CN201087243Y

CN201087243Y - Yarn feeding device of computer flat knitting machine

Info

Publication number: CN201087243Y
Application number: CNU2007200439391U
Authority: CN
Inventors: 冯加林; 巫友群
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-29
Filing date: 2007-09-29
Publication date: 2008-07-16
Anticipated expiration: 2017-09-29

Abstract

The utility model relates to a yarn feeding device of a computerized knitting machine. The utility model adopts the technology proposal that the yarn feeding device comprises a shuttle lever, shuttle boxes and shuttle box controlling mechanisms, wherein, the shuttle box controlling mechanisms are respectively arranged at the both sides at the upper part of the shuttle lever, the shuttle boxes are arranged at the both sides at the lower part of the shuttle lever, and the shuttle box controlling mechanisms are connected with the shuttle boxes through the clipping tongues on the shuttle box controlling mechanisms in a transmission way, to ensure the shuttle boxes to be moved with the shuttle box controlling mechanisms together along the shuttle lever. The utility model has the advantages that the shuttle box controlling mechanisms originally arranged on the machine head connecting frame are arranged on the shuttle lever, on one hand, the knitting threads on the thread holder are directly guided to the shuttle boxes, the knitting threads are not required to be bent, and cannot mutually twisted and tied together, the pulling force is small, and the stress is balanced, thereby being in favor of improving the knitting quality. On the other hand, one shuttle box controlling mechanism controls the shuttle boxes on the shuttle lever through the computer commands, the transmission structure is simple, and the space occupying is small, however, the operation is accurate and efficient, more shuttle boxes can be arranged on the shuttle lever, to meet the requirements of more and more complex knitting patterns, the knitting performance of the computerized knitting machine is preferable, and the performance-price ratio is greatly improved.

Description

A kind of yarn feeding device of Computerized flat knitting machine

Technical field

The utility model relates to Computerized flat knitting machine, relates in particular to a kind of yarn feeding device of Computerized flat knitting machine.

Background technology

Guiding such as Fig. 4 of present Computerized flat knitting machine structure and weaving thread.Be evenly equipped with some take-up framves 100 in the braiding machine upper end, coil holder 101 on one side respectively is set in its both sides, shuttle box 102 is placed in shuttle thick stick 103 1 sides, and shuttle box controlling organization 106 is installed in the link 107 of head 104 upsides, and is driven by head 104.The ball of string 105 of braiding yarn is placed on braiding machine rear side or the top in each that participates in weaving, and the end of a thread on it is drawn by a take-up frame 100 of correspondence and all will be guided pairing each shuttle box 102 on the shuttle thick stick into by the sideline frame 101 of frame one side.

Above-mentioned this lead-in wire method makes the braiding yarn just can be introduced into shuttle box through bending, and the pulling force (resistance) that the braiding yarn is subjected to when being directed is big, is easily broken.And each braiding yarn is because pairing take-up frame is different to the distance of sideline frame 101, and suffered pulling force is also different, causes that respectively to weave the suffered pulling force of yarn unbalanced.More for a long time, then multiple embossing line all will be concentrated by the sideline frame 101 of both sides and introduce as the kind of the required embossing line of braided fabric flower type, easily twines bondingly between the weaving thread mutually, affects the smooth and easy guiding of each weaving thread.The concern that this problem has caused more external braiding machine manufacturing enterprises also improves this.Just a kind of Computerized flat knitting machine that directly weaving thread on the take-up frame is guided to shuttle box is arranged abroad at present.In this kind Computerized flat knitting machine, each shuttle box on the shuttle thick stick is all by the motor of a correspondence and corresponding transmission mechanism transmission.So transmission mechanism is very complicated, cost is very high.Because each motor and corresponding transmission mechanism need certain placement space, this is restricted the shuttle box quantity on the shuttle thick stick, thus the design of influence braiding flower shape.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, design a kind of shuttle box that directly weaving thread on the take-up frame is directed to reduce and the suffered pulling force of balanced weaving thread, it is simple in structure cheap and make the yarn feeding device of a kind of like this Computerized flat knitting machine of the more placements of shuttle box on the shuttle thick stick to drive the transmission mechanism of shuttle box simultaneously, and it obtains implementing by the following technical programs:

Comprise, shuttle thick stick, shuttle box and shuttle box controlling organization, wherein the shuttle box controlling organization places both sides, shuttle thick stick top, shuttle box places both sides, shuttle thick stick bottom, the shuttle box controlling organization makes it therewith to move along the shuttle thick stick by the shuttle box that is in transmission connection of the block tongue on it.

Described shuttle thick stick is provided with conducting strip, and the shuttle box controlling organization is provided with carbon brush, and the control signal of shuttle box controlling organization is imported the shuttle box controlling organization by touching of conducting strip and carbon brush.

Described shuttle box controlling organization comprises carbon brush, electromagnet, block tongue, block tongue shift fork, return spring, carbon brush holder and base plate, electromagnet is fixed on the base plate inboard, block tongue is slidably connected in the chute of base plate inboard, carbon brush is fixed on the base plate by a carbon brush holder, make carbon brush place the outside of base plate, the block tongue shift fork is hinged on the base plate, and the one end is connected with the iron core lower end of electromagnet, the other end is connected the block tongue lower end, and return spring is connected with block tongue.

Described conducting strip is arranged on along shuttle thick stick length direction on the side of both sides, described shuttle thick stick top, and the shuttle box controlling organization moves on the shuttle thick stick or when being still on the shuttle thick stick, carbon brush touches conducting strip, the power supply signal on the conducting strip is imported the signal input part of electromagnet.

The beneficial effects of the utility model are: the shuttle box controlling organization that will originally be arranged on the head link is arranged on the shuttle thick stick, make the weaving thread on each take-up frame can directly be directed on the pairing shuttle box on the one hand, each weaving thread does not need bending, can not twine mutually and get together, its suffered pulling force reduces, and each weaving thread stress equalization helps improving weaving quality.On the other hand, a shuttle box controlling organization that is provided with on each shuttle thick stick can be controlled the some shuttle boxs on this shuttle thick stick by computer instruction, and drive mechanism is very simple, but the operation accurate and effective, it is low that cost performance is improved greatly.Simultaneously, simple because of transmission to shuttle box, the shuttle box on the shuttle thick stick can be placed more; Directly introduce shuttle box because of weaving thread again, be difficult for each other tangling,, satisfy more, more complicated braiding flower type needs, make the knitting property of Computerized flat knitting machine more superior so can introduce more embossing weaving thread.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A cutaway view of the structure of invention shown in Figure 1.

Fig. 3 is Computerized flat knitting machine and the weaving thread guiding schematic diagram that adopts the utility model yarn feeding device.

Fig. 4 is a modal weaving thread guiding schematic diagram in the existing Computerized flat knitting machine.

Among the figure, 20 frames, 100 take-up framves, 101 sideline framves, 102 shuttle boxs, 103,200 shuttle thick sticks, 104 heads, 105 balls of string, 106,300 shuttle box controlling organizations, 201 conducting strips, 202 are with 203 synchronizing wheels synchronously, 204 brush grooves, 301 carbon brush holders, 302 carbon brush, 303 electromagnet, 304 block tongues, 305 block tongue shift forks, 306 electromagnetic cores, 307 base plates, 308 return springs, 400 chutes.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment.

Contrast Fig. 1, Fig. 2, shuttle box controlling organization 300 places both sides, shuttle thick stick 200 top, and shuttle box 102 places shuttle thick stick 200 bottoms one side, and shuttle box controlling organization 300 makes it therewith to move along shuttle thick stick 200 by the block tongue on it 304 shuttle box 102 that is in transmission connection.

Shuttle box controlling organization 300 mainly is made up of carbon brush 301, electromagnet 303, block tongue 304, block tongue fork 305, return spring 308 and base plate 307 etc.Electromagnet 303 is fixed on base plate 307 inboards.Block tongue 304 is slidably connected in the chute 400 of base plate 307 inboards, and return spring 308 1 ends are connected this chute bottom, and an end is conflicted in the upper end of block tongue 304.Carbon brush 303 is fixed on the base plate 307 by a carbon brush holder 301, makes carbon brush 303 place the outside of base plate 307.Block tongue shift fork 305 is hinged on the base plate 307, and the one end is connected with iron core 306 lower ends of electromagnet, and the other end is connected the lower end of block tongue.

The power supply signal of shuttle box controlling organization 300 inserts the power supply signal on the conducting strip signal input part of electromagnet 303 in the shuttle box controlling organization by the dynamic or Static Contact of conducting strip 201 with carbon brush 302.On conducting strip 201 is arranged on side corresponding to the both sides, shuttle thick stick top of carbon brush 301 positions along shuttle thick stick length direction.On this side, be provided with several brush grooves 204 that are parallel to each other along shuttle thick stick length direction, each brush groove is built-in with a conducting strip 201, corresponding several carbon brush 302 are connected on the carbon brush holder 301 that is fixed in the shuttle box controlling organization, and each bar carbon brush 302 interlocking is in the brush groove 204 of correspondence and touch conducting strip 201 in the groove.

Contrast Fig. 3 shuttle box controlling organization 300 is connected one and is with synchronously on 202, is subjected to synchronously the drive with 202, along moving of shuttle thick stick 200.And synchronously with 202 engaged transmission that are subjected to synchronizing wheel 203.

During work, under the engaged transmission of synchronizing wheel 203, be with 202 transmissions synchronously, shuttle box controlling organization 300 moves along shuttle thick stick 200 with it, instruction according to the straight-bar machines computer, when shuttle box controlling organization 300 with it when shuttle thick stick 200 moves to a certain shuttle box position, carbon brush 302 on it is with the signal input part of the power supply signal input electromagnet 303 of conducting strip 201 on the shuttle thick stick, iron core 306 actions, driving block tongue shift fork 305 rotates, the block tongue 304 that is connected with block tongue shift fork 305 other ends is moved down along chute 400, insert in the groove of its downside shuttle box 102 upper ends, drive this shuttle box and move along shuttle thick stick 200 together.

Shuttle box controlling organization 300 is arranged on the shuttle thick stick 200, rather than be arranged on the link of head, make the weaving thread on the take-up frame 100 directly introduce corresponding shuttle box, each weaving thread of drawing on the take-up frame 100 does not need bending, and can not twine mutually and get together, suffered pulling force is reduced, and each weaving thread stress equalization, help improving weaving quality.

All shuttle boxs 102 on the shuttle thick stick 200 are all driven by the shuttle box controlling organization 300 on this shuttle thick stick, and which shuttle box that shuttle box controlling organization 300 drives on the shuttle thick stick 200 is determined by computer instruction.The motion of shuttle box controlling organization 300 is with 202 to drive by connected synchronously, and engagement drives.Place the shuttle box controlling organization on the shuttle thick stick to control all shuttle boxs on this shuttle thick stick accurately and effectively by one, make whole transmission mechanism very simple, shuttle box can be placed more on the shuttle thick stick like this, to satisfy more, more complicated braiding flower type needs, make the knitting property of Computerized flat knitting machine more superior, the cost performance of whole braiding machine is improved greatly.

Claims

1. the yarn feeding device of a Computerized flat knitting machine, comprise, shuttle thick stick, shuttle box and shuttle box controlling organization, it is characterized in that the shuttle box controlling organization places both sides, shuttle thick stick top, shuttle box places both sides, shuttle thick stick bottom, the shuttle box controlling organization makes it therewith to move along the shuttle thick stick by the shuttle box that is in transmission connection of the block tongue on it.

2. the yarn feeding device of a kind of Computerized flat knitting machine according to claim 1, it is characterized in that described shuttle thick stick is provided with conducting strip, the shuttle box controlling organization is provided with carbon brush, and the power control signal of shuttle box controlling organization is imported the shuttle box controlling organization by touching of conducting strip and carbon brush.

3. the yarn feeding device of a kind of Computerized flat knitting machine according to claim 2, it is characterized in that described shuttle box controlling organization comprises carbon brush, electromagnet, block tongue, block tongue shift fork, return spring, carbon brush holder and base plate, electromagnet is fixed on the base plate inboard, block tongue is slidably connected in the chute of base plate inboard, carbon brush is fixed on the base plate by a carbon brush holder, make carbon brush place the outside of base plate, the block tongue shift fork is hinged on the base plate, the one end is connected with the iron core lower end of electromagnet, the other end is connected the block tongue lower end, and return spring is connected with block tongue.

4. the yarn feeding device of a kind of Computerized flat knitting machine according to claim 3, it is characterized in that described conducting strip is arranged on the side of both sides, described shuttle thick stick top along shuttle thick stick length direction, the shuttle box controlling organization moves on the shuttle thick stick or when being still on the shuttle thick stick, carbon brush touches conducting strip, the power supply signal on the conducting strip is imported the signal input part of electromagnet.