CN1944747A

CN1944747A - Automatically knotting device

Info

Publication number: CN1944747A
Application number: CN 200610141308
Authority: CN
Inventors: 田口制孝
Original assignee: EMPRESS ELECTRONICS SEIKO Co Ltd
Current assignee: EMPRESS ELECTRONICS SEIKO Co Ltd
Priority date: 2005-10-04
Filing date: 2006-09-28
Publication date: 2007-04-11
Anticipated expiration: 2026-09-28
Also published as: JP4686322B2; CN1944747B; JP2007097788A

Abstract

The present invention provides an automatic binding machine, the whole body of an automatic binding machine is compact, and the bound state can be easily released without injuring a fabric by tying a binding thread in a single bow knot. A needle bar (5) with a needle (6) at the tip is disposed in such a way as can be lifted to one end of an arm (3) and can be moved parallel in a lateral direction. A pair of loopers (11) and (12) are disposed on the lower side of a needle plate (10). A loop spreader (13) for moving one thread (T) located between the loopers (11) and (12) to the other thread side is disposed between the loopers (11) and (12) and the lower surface of the needle plate (10). A thread tying mechanism (14) is disposed between the looper spreader (13) and the loopers (11) and (12) in such a way that the end can be inserted. The thread tying mechanism (14) has a rotatable tube body (15) and a thread tying hook (16) retractably mounted inside the tube body (15). A thread binding needle (17) is disposed in a retractable state to a loop formed at the end of the thread tying mechanism (14), and a thread cutting knife (18) is disposed under the needle plate (10) in such a way as retractable along the needle plate (10).

Description

Automatic knot tying machine

Technical field

The present invention relates to for example socks, gloves, clothes or underwear class be ordered into a pair of the automatic knot tying machine of trade mark label, price tag etc. being installed and being tied a knot with line.

Background technology

With the article of the form of a pair of circulation or clothes, underwear class etc., when ordering on these sewn objects with line, the label that will represent material or size, price etc. generally uses chain-type stitch for socks or gloves etc.

Under the situation with chain-type stitch, owing to only single line is twined mutually, in case therefore pulling force is then thrown off sometimes with a swish to the line end effect quickly.

Therefore, the inventor had proposed automatic knot tying machine (Zi Move Suffix じ Knot び Machine in the past) scheme, promptly, as the Sewing machines that can use the single line knotting, making shank is that oscillation center can be swung within the specific limits with the upper end, be positioned at shank under the state of each outer end of its hunting range and make it carry out lifting action,, two lines that pass are concentrated in together, tie up cut-out at the lower part of sewn object.(patent documentation 1)

Patent documentation 1 real opening clear 61-77967 number

But, in above-mentioned conventional device, shank is advanced and retreat with the angle that tilts with respect to seat surface, pin is worn to sewn object with splayed roughly, therefore have following problem, that is, and the interval between the left and right sides looper of the line that the downside maintenance of pedestal is passed, below during the side concentration line, the line that is used to make second pin increases near the moving area of the looper spreader (yarn サバキ) of the line side of first pin, the space of occupying that the machine that constitutes knotting portion is set increases.

And, in above-mentioned conventional device, because two lines are concentrated the び with circle knot (Wan Knot) form tie up (with reference to Figure 12), therefore has the advantage that can stably keep the state of tiing a knot, but when this knotting state of releasing, be difficult to knot with pointing to untie, and need break the knotting line or cut off the knotting line with scissors, under the thin situation about waiting of grey cloth, when carrying out this rupturing operation, might damage grey cloth owing to pulling the knotting line.And, might break into circle knot the knotting line saturating overlapping other sewn objects of accommodating of the end of a thread thorn the cloth part or damage the grey cloth of other sewn object.

The present invention proposes in view of these problems, its objective is the occupying the space, constitute whole automatic knot tying machine compactly of machine of the formation knotting portion that dwindles the pedestal downside, simultaneously, break into single bowknot, can not damage grey cloth ground and easily remove the knotting state by the line of will tiing a knot.

Summary of the invention

To achieve these goals, automatic knot tying machine of the present invention, it is characterized in that, to move at the shank liftable that front end is equipped with pin and can be to a horizontal parallel end that is arranged on arm movably, downside at needle plate is provided with a pair of looper, between below this a pair of looper and needle plate looper spreader is set, this looper spreader makes the line side shifting that lays respectively at alignment the opposing party of a side of the opposite face side of first looper and second looper, the state that can enter between this looper spreader and a pair of looper with the leading section of knotting mechanism is provided with knotting mechanism, this knotting mechanism has cylindrical shell and the knotting hook that constitutes rotationally, this knotting hook is being installed in the cylindrical shell from the state that the leading section of cylindrical shell is advanced and retreat, with the state that can advance and retreat with respect to the wire frame of the leading section that is formed on this knotting mechanism the knotting pin is set, at the downside of needle plate can thread cutter being set along the state of needle plate advance and retreat.

According to the present invention, because the end at arm can be to the horizontal parallel shank that front end is equipped with pin that is provided with movably, therefore pin can penetrate sewn object abreast, it also is certain being in along the interval of the line of the position of the track of pin, can dwindle the actuating range of the machine that constitutes knotting portion, therefore also can set narrow and smallly be provided with machine required occupy the space, can make whole automatic knot tying machine densification.

And, downside at needle plate is provided with a pair of looper, between below this a pair of looper and needle plate looper spreader is set, this looper spreader makes the line side shifting that lays respectively at alignment the opposing party of a side of the opposite face side of first looper and second looper, and this knotting mechanism is set with the state that the leading section of knotting mechanism can enter between this looper spreader and a pair of looper, this knotting mechanism has the cylindrical shell that constitutes rotationally, with be mounted in this cylindrical shell can be from the knotting hook of the state of leading section advance and retreat, in addition, with the state that can advance and retreat with respect to the wire frame (yarn Wheels) of the leading section that is formed on this knotting mechanism the knotting pin is set, at the downside of needle plate can thread cutter being set along the state of needle plate advance and retreat, therefore, draw in the wire frame inside that is formed on portion's leading section by two knotting lines that will hang on the knotting hook, take off wire frame from this front end, this can be knotted forms single bowknot.Therefore, as long as draw the end of a thread portion of the binder that forms single bowknot just can remove the knotting state, the power of hard draw can not act on grey cloth, can not damage grey cloth.

Description of drawings

Fig. 1 is the approximate three-dimensional map of the upper mechanism of expression automatic knot tying machine.

Fig. 2 is the front view of the major part pulled down of expression.

Fig. 3 is the cutaway view of expression knotting mode of the present invention.

Fig. 4 is the first step figure of expression knotting operation.

Fig. 5 is second block diagram of expression knotting operation.

Fig. 6 is the third step figure of expression knotting operation.

Fig. 7 is the 4th block diagram of expression knotting operation.

Fig. 8 is the 5th block diagram of expression knotting operation.

Fig. 9 is the 6th block diagram of expression knotting operation.

Figure 10 is the 7th block diagram of expression knotting operation.

Figure 11 is the 8th block diagram of expression knotting operation.

Figure 12 is the cutaway view of the existing knotting mode of expression.

The specific embodiment

Accompanying drawing is represented an embodiment of the invention, and Fig. 1 represents the approximate three-dimensional map of the upper mechanism of automatic knot tying machine, and Fig. 2 is the front view of the major part pulled down of expression, and Fig. 3 is the figure of the knotting state among expression the present invention.

In this automatic knot tying machine, head (2) is set on workbench (1), can be on the fore-end of the arm (3) of this head (2) to the horizontal parallel needle bar frame (4) that is provided with movably.Shank (5) liftable this needle bar frame (4) of packing into movably, pin (6) is fixed on the bottom of shank (5) replaceably.

The structure of this needle bar frame (4) is, can laterally embed slidably and be supported in the pair of parallel sliding axle (7), this pair of parallel sliding axle (7) is horizontally installed on the front end face of above-mentioned arm (3) with having certain intervals at above-below direction, simultaneously, the lifting moving interlock of this needle bar frame (4) and shank (5), back and forth carry out a reciprocal state, carry out reciprocally swinging with two of relative shank (5) by parallel sliding connecting rod (8).

With the lifting of pin (6) the corresponding workbench in zone (1) on, be provided with and penetrate the needle plate (10) that is provided with cushion through hole (9).And, the downside in this needle plate (10), a pair of looper (11), (12) are with about the state of direction advance and retreat is arranged on forwards, backwards.Looper spreader (13) was arranged between this a pair of looper (11), (12) and needle plate (10) following.The effect of this looper spreader (13) is, make lay respectively at first looper (11) that is positioned at the left side and a side the line (T) of opposite face side of second looper (12) that is positioned at the right side to the opposing party's line side shifting.And knotting mechanism (14) is provided with the state that its leading section can enter between looper spreader (13) and a pair of looper (11), (12).This knotting mechanism (14) is by advancing and retreat and rotating cylindrical shell (15) and can advancing and retreat is installed in the inner knotting hook (16) of this cylindrical shell (15) movably and constitutes.And, with the state that can back off with respect to the wire frame of the barrel front end portion that is formed on knotting mechanism (14) knotting pin (17) is set, at the downside of needle plate (10) can thread cutter (18) being set along the state of needle plate (10) advance and retreat.

Symbol among the figure (19) is a pressing plate, is used for sewn object (C) is prevented that dislocation is movably by being pressed in needle plate (10).(20) be the keeper that temporarily keeps the end of a thread, (21) are the line that residual wires is extracted from sewn object to be chosen (yarn Ha ネ).

This automatic knot tying machine is being tied a knot from the operation of Fig. 4 to Figure 11.

That is, first looper (11) enters and penetrates sewn object (C), is formed on the coil of first pin of needle plate (10) downside, and first looper (11) is caught the coil of this first pin.(with reference to Fig. 4)

When extracting first pin out,,, simultaneously, make first looper (11) the mobile predetermined distance that descends with this retention wire (T) by making the lateral parts butt of hanging yarn spring (yarn is subjected to けバネ) (20) and first looper (11), clamping line (T).On the other hand, near the pin (6) mobile, that extract from sewn object (C) of rising arrives top dead center position after, the position of shank (5) second pin to the right is laterally mobile, that shank (5) descends is mobile, penetrate second pin.Then, the pin (6) that second looper (12) enters this second pin penetrates sewn object (C), is formed on the coil of second pin of needle plate (10) downside, and second looper (12) is caught the coil of this second pin.(with reference to Fig. 5)

When extracting second pin out, looper spreader (13) enters between a pair of line of second pin, and the line that makes second pin left side line and first pin is along close.(with reference to Fig. 6)

Then, knotting mechanism (14) enters between the following of needle plate (10) and two loopers (11), (12), hook be in mutually along the line of first pin of state and the state of the left side line of second pin under rotate, two lines are wrapped in the leading section of the cylindrical shell (15) that constitutes this knotting mechanism (14) with this.(with reference to Fig. 7)

Be contained in the knotting hook (16) in this knotting mechanism (14), stretch out, catch two lines from the inside of the knotting mechanism (14) of the fore-end that two lines is wrapped in cylindrical shell (15), knotting hook (16) is retracted into the state that captures line in the cylindrical shell (15) of knotting mechanism (14) and keeps, simultaneously, line is chosen the length that (21) only carry out the action of phase I, decision residual wires, make looper spreader (13) retreat mobile then, simultaneously, stretching out thread cutter (18) cuts off line.(with reference to Fig. 8)

Then, knotting pin (17) is stretched out, mention at above-mentioned knotting mechanism (14) and go up, make wire frame, simultaneously, make knotting mechanism (14) retreat to stamp and knot to needle plate (10) side shifting by line being wrapped in the wire frame that forms on the fore-end of cylindrical shell (15).(with reference to Fig. 9)

The knotting hook (16) that knotting mechanism (14) retreats, is contained in the knotting mechanism (14) is decontroled line.Like this, available single bowknot plays line tying.(with reference to Figure 10)

At this moment, the upside in needle plate (10), line are chosen the action that (21) carry out second stage, and the line of remnants is extracted from sewn object (C), and this line is remained on the keeper (20), and simultaneously, pressing plate (19) rises, a loop ends.(with reference to Figure 11)

In the above-described embodiment, fore-end at arm (3) can be to the horizontal parallel needle bar frame (4) that is provided with movably, in this needle bar frame (4), liftably be incorporated with shank (5), pin (6) is fixed on the bottom of shank (5) replaceably, therefore, pin (6) vertically penetrates sewn object (C), can set first pin of the downside of needle plate (10) and the interval of second pin very narrow, and the close center of making, the position that needle point is arrived, therefore, can be used in the looper spreader (13) of concentrating two lines being arranged on needle plate (10) downside operating space and, knotting mechanism (14) or knotting pin (17) that the position is set is close, can be formed in the space of occupying on the lower portion of needle plate (10) narrowly.

The present invention can be used for becoming two socks or gloves to tie a knot, to clothes or underwear class trade mark label or price tag are installed.

Claims

1. automatic knot tying machine, it is characterized in that, to move at shank (5) liftable that front end is equipped with pin (6) and can be to a horizontal parallel end that is arranged on arm (3) movably, downside at needle plate (10) is provided with a pair of looper (11), (12), at this a pair of looper (11), (12) and between needle plate (10) following looper spreader (13) is set, this looper spreader (13) makes and lays respectively at and a side's of the opposite face side of first looper (11) and second looper (12) line (T) the line side shifting to the opposing party, leading section with knotting mechanism (14) can enter this looper spreader (13) and a pair of looper (11), (12) state between is provided with knotting mechanism (14), this knotting mechanism (14) has cylindrical shell (15) and the knotting hook (16) that constitutes rotationally, this knotting hook (16) is being installed in the cylindrical shell (15) from the state that the leading section of cylindrical shell (15) is advanced and retreat, with the state that can advance and retreat with respect to the wire frame of the leading section that is formed on this knotting mechanism (14) knotting pin (17) is set, at the downside of needle plate (10) can thread cutter (18) being set along the state of needle plate (10) advance and retreat.