CN2216756Y

CN2216756Y - Device for simultanously and automatically positioning of both sides of glide fastener for machine setting fastener-elements on garments

Info

Publication number: CN2216756Y
Application number: CN 94224870
Authority: CN
Inventors: 彭沐勋
Original assignee: Xuantang Industrial & Commercial Co Ltd
Current assignee: Xuantang Industrial & Commercial Co Ltd
Priority date: 1994-08-04
Filing date: 1994-08-04
Publication date: 1996-01-10
Anticipated expiration: 2004-08-04

Abstract

The utility model provides a bilateral synchronous and automatic size-fixing device for a zipper sewing machine which is used for sewing an L-shaped zipper. A zipper-tooth driving device point is provided with two driving tooth disks which are in the same angle and the opposite direction and are corresponding in a proper spacing, the end surfaces of the rotating axes of the two driving tooth disks are respectively prearranged with inclined teeth which are engaged mutually and are rotated mutually and synchronously in a coaxial shape, and two zipper tooth racks are displaced. The upper side of a platform is provided with two material guiding plates, a cutting device is arranged between the two material guiding plates and is driven by a connecting rod driven by an air pressure cylinder, and meanwhile, the two zipper tooth racks are cut.

Description

The bilateral synchronous microsize device of slide fastener chain-sewing machine

The utility model relates to a kind of bilateral synchronous microsize device of slide fastener chain-sewing machine, especially refer to a kind of simple in structure, operation, easy to use, can make the bilateral chain tooth bar sewing of L type slide fastener when strap, finish microsize work simultaneously, this device is suitable for a large amount of productions, is a kind of bilateral synchronous positioning device of practical L type slide fastener microsize chain-sewing machine.

After known L type slide fastener is implemented automatic sewing processing with chain-sewing machine, on the whole its state of finishing can distinguish two kinds of long code and short codes, wherein, long code is that the chain tooth bar is fixed on the strap with the complete sewing of not segmentation shape, and the mode of its making, be to utilize chain-sewing machine to cooperate the driving running of upper and lower pinch roller can direct and easy finishing, according to the need of actual uses in the future, can implement again all lengths cut and install additional pull head and upper and lower stops is a finished product to finish; This short code then is the chain tooth bar to be segmentation shape sewing with the number of teeth of setting be fixed on the strap, and its production method is to be equipped with certain cun mechanism on chain-sewing machine in addition, before chain-sewing machine is implemented the sewing action, this chain tooth bar can be set the number of teeth by the length fixing machine structure in advance and cut and intermittently carried, and then on strap, can be formed directly in chain tooth bar and the dead band that several tools are set the numbers of teeth, then, the chain of this tool being set the number of teeth by the fixed length machine carries out isometric severing again, installs additional to finish behind pull head and the upper and lower stops to be finished product again.By being located at the length fixing machine structure on the chain-sewing machine and the mode of running thereof at present, then as shown in Figure 1, it mainly is to be provided with a stock guide 20 on a platform 10, this stock guide 20 is provided with one and supplies strap A to lead the conduction band groove 201 that moves, and avris is provided with one and wears for chain tooth bar B and to lead the guide rail 202 that moves, this guide rail 202 and with suitable oblique angle convergent back to front, just be connected outlet a place in conduction band groove 201, platform 10 places below guide rail 202, preset a suitable groove 101 of wearing, and in the bottom surface of this platform 10 by being equipped with chain tooth driver 30, chain tooth driver 30 with rotating shaft 301 with the guide rail 202 of vertical configuration corresponding to stock guide 20, and be provided with drive fluted disc 302 and just be positioned at expose to platform 10 wear groove 101, altogether can be directly to chain tooth bar B engagement driving, front end appropriate location at stock guide 20 avris guide rails 202 is provided with a grooving 203, and on the platform 10 of these grooving 203 correspondences, be provided with a cutting means 40, and positioning seat 401 places of this cutting means 40, but and be slidingly equipped with mat spring body R action and the tool rest 402 that backward suppresses at any time, utilize its rear end to be subjected to electromagnet 403 action and after implementing reciprocating connecting rod 404 and driving by one, the cutting knife 405 that its front end sets firmly can cooperate grooving 203 chain tooth bar B to be carried out severing in good time; Promptly, when strap A by chain-sewing machine on, lower pressure wheel (figure does not show) escort is continuously led when moving, utilize the CD-ROM drive motor 304 of this chain tooth bar drive unit 30 can accept the control of a control circuit, and with the interrupted rotation of a setting-up time, then should drive fluted disc 302 certainly can be related to interrupted rotation shape drive chain tooth bar B displacement, simultaneously, the electromagnet 403 that utilizes cutting means 40 is when the CD-ROM drive motor 304 of drive unit 30 suspends rotation, promptly move immediately and make connecting rod 404 promote cutting knife 405 and implement to cut action, then the chain tooth bar B of this tool setting number of teeth just can directly be formulated, certainly, because when 40 pairs of chain tooth bars of this cutting means B implements to cut action, this strap A is still by on the chain-sewing machine, the lasting force feed of lower pressure wheel is led and is moved, so when CD-ROM drive motor 304 is gone through a setting-up time and rotated when driving band chain tooth bar B again, this strap A just can have the dead band of the suitable length of one section no sprocket naturally, that is, because this positioning device of being located on the chain-sewing machine is positioned at the sewing device leading edge of (the figure end shows), and the guide rail 202 that this stock guide 20 is provided with is connected at once at the outlet a place of conduction band groove 201, and chain tooth bar B can be nested with on A one by one, and it is solid by sewing device seam immediately, so when cutting means 40 chain tooth bar B give after row sets the number of teeth and cut, this chain tooth bar B that is positioned at back segment can be unshift because of driving not rotating of fluted disc 302, the chain tooth bar B of this displacement leading portion then because of leading portion sewing on strap A, and can continuing to lead and move and fixed by sewing one by one with strap A.Undeniable is being set as and function mode of this chain-sewing machine positioning device, implement fixed cun making of short code for L type slide fastener, really the usefulness that has seasonable use, and be the most general mode of using at present, but it is after going through long-term use, there is the very big shortcoming on using in it, and can wait to improve, promptly, since positioning device can only implement the monolateral chain tooth bar B of L type slide fastener to drive lead move and fixed cun cut running (because of the tool rest 402 of this cutting means 40, cutting knife 405 directly with horizontal process by putting on platform 10, and when implementing to cut action, must not injure strap A again, so this cutting means can only be used the chain tooth bar B of monolateral strap A and implement to cut running), and can't implement cun running surely simultaneously to bilateral chain tooth bar B, so this chain tooth bar B must be with the monolateral fixed cun complete sewing of shape behind the strap A of tool certain-length, can be again with the head of strap A, tail end mutually and close, and a pull head is installed in utilization additional again, the side one by one each chain tooth bar B after fixed very little is made up that to make be under the situation of a slide fastener state, not only the speed of Sheng Chaning is slower, especially, fixed cun of this warp, sewing each chain tooth bar B behind strap A, must be again with the head of strap A, the tail end phase is also closed, and, more bother again manually to install the running that a pull head can be combined into the slide fastener state one by one additional, inconvenience and lose time.

As from the foregoing, this known L type slide fastener chain-sewing machine positioning device obviously still has the disappearance of actual use, and can wait to be improved.

Main purpose of the present utility model is to provide a kind of bilateral synchronous positioning device of L type slide fastener microsize chain-sewing machine, wherein, the corresponding appropriate position of driving fluted disc at the chain tooth driver, other be provided with one be in the other direction, with the driving fluted disc of angle, and intermeshing helical teeth is preset in this two rotating shaft end face planning that drives fluted disc, when then CD-ROM drive motor (can be stepper motor) drives wherein rotating shaft row is interrupted, but another rotating shaft synchronization action, this two drivings fluted disc also can be used two chain tooth bars are carried out the driven in synchronism displacement.

Another purpose of the present utility model, be to provide a kind of bilateral synchronous positioning device of L type slide fastener microsize chain-sewing machine, wherein, in the stock guide corresponding position, by be equipped with another be in the other direction, with the stock guide of angle, and the driving fluted disc that the guide rail that this stock guide is provided with is just established with the below again in addition is corresponding, then two straps of this L type slide fastener not only can be installed with the conduction band groove at two stock guides simultaneously, simultaneously, this two chains tooth bar also can be located in the guide rail of two stock guides respectively, and rotated synchronously two drive fluted discs and give and make driven in synchronism and carry.

The purpose again that this reality is novel, be to provide a kind of bilateral synchronous positioning device of L type slide fastener microsize chain-sewing machine, wherein, this cutting means is provided with two moving cutting tools, and this two moving cutting tool is located between two stock guides with vertical, and can be subjected to the reciprocal driving of a connecting rod and implement synchronous swing, then the CD-ROM drive motor of drive unit suspends rotation, and when the chain tooth bar suspends conveying, this connecting rod just can be moved by pneumatic cylinder simultaneously, and makes two cutting knifes wait accurately cutting of number with synchronous swing shape to two chain tooth bars.

Another purpose of the present utility model, be to provide a kind of simple in structure, operation, easy to use can make the bilateral chain tooth bar sewing of L type slide fastener finish the microsize running simultaneously when strap, has the bilateral synchronous positioning device of the L type slide fastener chain-sewing machine that is suitable for a large amount of production characteristics.

The bilateral synchronous microsize device of slide fastener chain-sewing machine of the present utility model mainly is made up of a platform, two stock guides, a drive unit and a cutting means; Wherein, a stock guide bottom surface is provided with a conduction band groove, and a side is high up in the air to convex with a convergent and the tilting shape guide rail that is connected with the conduction band groove in front end back to front, offers a grooving at the guide rail appropriate location, provides a strap, a chain tooth bar to wear to lead and move behind platform respectively; Drive unit is provided with a CD-ROM drive motor, a rotating shaft reaches at the rotating shaft other end and drives fluted disc by being equipped with one, it is corresponding that this rotating shaft and the guide rail of stock guide are vertical configuration, the side face that drives fluted disc exposes to platform and corresponding stock guide guide rail, when the control that CD-ROM drive motor is accepted the computer initialization circuit was interrupted, the direct drive chain tooth bar of this driving fluted disc was intermittently carried; Cutting means is provided with a pneumatic cylinder, can make cutting knife cut the chain tooth bar by connecting rod when drive unit suspends action;

It is characterized in that:

Another stock guide is arranged on suitable spacing on the platform of former stock guide corresponding position, and its guide rail and former stock guide guide rail are same angle, reciprocal tilting shape correspondence position;

Drive unit is provided with one in addition and is driven the synchronously driven rotating shaft of motor, is provided with one at an end of this rotating shaft and drives fluted disc, and the stock guide guide rail that this rotating shaft and other are provided with is vertical configuration, and the side face that drives fluted disc expose to platform just correspondence the guide rail of described stock guide;

Described cutting means is provided with a holder, and by putting between two stock guides, two sides are with the guide rail of corresponding two stock guides of suitable spacing, at the grooving place that is provided with corresponding to two guide rails, offers a suitably dark profile groove that runs through respectively; One tool rest is installed in the holder upper surface with vertical, and rear end face is made as "＜" shape.Face is together in two profile grooves of holder, and the adjacent lower end of a side offers a guide groove; Two cutting knifes, cooperate a screw and be positioned tool rest rear end face two sides versatilely with a lining respectively, the lower end is positioned at two side profile groove places of holder respectively with vertical, wherein the position of a cutting knife corresponding tool rest guide groove below positioning adapter is provided with a microscler guide hole, another cutting knife upper end exposes to the tool rest upper end, is provided with a microscler guide hole in the top of positioning adapter; One connecting rod, be slidingly installed in a positioning seat place, the rear end is connected in the driving shaft of pneumatic cylinder to do reciprocating action, rear end one side has protruded out a baffle plate, think that being located at two of positioning seat makes the formulation that the position screws are made reciprocating stroke, front end is provided with two alignment pins, and this two alignment pin passes the microscler guide hole that tool rest places two cutting knifes respectively;

By above-mentioned, conduction band groove, guide rail that two stock guides are provided with, can supply two straps, the chain tooth bar of L type slide fastener to import simultaneously and wear respectively, two of this drive unit drives fluted disc and can drive synchronously and send two chain tooth bars along with the interrupted rotation of CD-ROM drive motor, when cutting means suspends action at drive unit, directly drive link reciprocating action, and make this two cutting knife can be respectively be a point with the lining of location, synchronously row is cut the action of chain tooth bar by interior swing outward mutually.

Reaching embodiment in conjunction with the accompanying drawings is described as follows characteristics of the present utility model:

Drawing is introduced:

Fig. 1 is the floor map of known L type slide fastener chain-sewing machine length fixing machine structure and running.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is the schematic diagram of the utility model drive unit.

Fig. 4 is the exploded view of the utility model stock guide and cutting means.

Fig. 5 implements to cut the floor map of running for the utility model cutting means.

Shown in Fig. 2-4, the bilateral synchronous positioning device of a kind of L type slide fastener chain-sewing machine of the present utility model, mainly be on platform 10, to be provided with two stock guides 20,20 ', be provided with two at drive unit 30 places and drive fluted disc 302,302 ', and be provided with two cutting knifes 405,405 ' at cutting means 40 places, wherein;

This stock guide 20 (is asked for an interview Fig. 2,4), itself and conventional devices duplicate, mainly be provided with a conduction band groove 201, and a side high up in the air convex with one back to front convergent be the guide rail 202 of tilting shape, wear ccontaining by put strap A and chain tooth bar B that slide fastener can be provided respectively behind platform 10, but, other is provided with stock guide 20 ', (this spacing cooperatively interacts according to the needle holder and the bearded needle seat of chain-sewing machine with a suitable spacing, and the width that two straps of tolerable import sewing simultaneously is as the criterion) by on the platform 10 that is located at another stock guide 20 corresponding positions, and its guide rail 201 ' and be the equal angular correspondence position with the tilting direction of opposite stock guide guide rail 202, at guide rail 202,202 ' the grooving that is provided with 203,203 ' the inner is respectively equipped with a suitable round 205 that runs through, 205 '.Promptly, the deflector chute 201,201 ' that utilizes stock guide 20,20 ' to be respectively equipped with is the parallel shape correspondence of suitable spacing, and the guide rail that is provided with 202,202 ' is again with equal angular, rightabout and can be corresponding with deflector chute 201,201 ' the tilting shape that is connected mutually respectively at end, then should lead chain tooth bar B, the B ' that moves conveying respectively via guide rail 202,202 ', from breaking away from stock guide 20,20 ' time, promptly be set in the side of strap A, A ' automatically by guiding respectively.

Shown in Fig. 2,3, described drive unit 30 is provided with two rotating shafts, drives the fluted disc end with suitable long exposing by being located at respectively, and its end face is preset with intermeshing helical teeth respectively, and it can coaxially rotate synchronously.Remove as the known CD-ROM drive motor 304 (this case can be stepper motor) that is provided with, one with stock guide guide rail 202 be vertical corresponding and with locating piece 305 by the rotating shaft 301 of putting in platform 10 bottom surfaces, and outside but rotating shaft 301 other ends are provided with the driving fluted disc 302 of a drive chain tooth bar B, drive the corresponding position of fluted disc 302 at this, and drive fluted disc 302 ' with a rotating shaft 301 ' by being equipped with one in addition, reach this rotating shaft 301 ' and be vertical corresponding with another stock guide guide rail 202 ', be in the other direction and make this driving fluted disc 302 ' provided thereon can be just drive fluted disc 302 with corresponding another, with the angle correspondence, certainly, the side face of this driving fluted disc 302 ' also exposes to that platform 10 presets wears groove 101 ', and corresponding the guide rail 202 ' of stock guide 20 ', can directly mesh the chain tooth bar B ' that is located on the guide rail 202 ', in this two rotating shaft 301,301 ' by putting driving fluted disc 302, an end of 302 ', respectively with suitable long overhanging, and preset intermeshing helical teeth 3011 respectively at end face, 3011 ', when CD-ROM drive motor 304 is subjected to the control of computer initialization circuit and intermittently rotates, this two rotating shaft 301,301 ' can synchronously rotate, and this two drivings fluted disc 302,302 ' also can carry out synchronization action thereupon, and makes two chain tooth bar B, B ' but the synchronous transport displacement.

The composition of this cutting means 40 (asking for an interview Fig. 2,4), mainly be provided with a holder 400, by being located between two stock guides 20,20 ', two sides also two stock guides 20,20 ' guide rail 202,202 ' with suitable spacing correspondence, the conveying displacement of auxiliary chain tooth bar B, B ' has stability preferably, and this two side is located corresponding to stock guide 20,20 ' grooving 203,203 ', and respectively by the outer suitable dark profile groove 4001 that runs through that offers toward in; One tool rest 402 is installed in holder 400 upper surfaces with vertical, rear end face be made as "＜" shape and respectively face offer one suitably big, suitable dark guide groove 4021 together in the adjacent lower end of two profile grooves, 4001, one sides of holder 400; Two cutting knifes 405,405 ', cooperate a screw 4052,4052 ' and be positioned at tool rest 402 rear end faces two sides with a lining 4051,4051 ' respectively with moving type, the lower end also is positioned at two side profile grooves, 4001 places of holder 400 respectively with vertical, a cutting knife 405 and be provided with a microscler guide hole 4053 wherein in guide groove 4021 positions corresponding to tool rest 402, another cutting knife 405 ' then exposes to tool rest 402 with the upper end with suitable length, and is provided with a microscler guide hole 4053 ' in the top of its positioning adapter 4051 '; One connecting rod 404, be slidingly installed in chute 4061 places of a positioning seat 406, the below, rear end is provided with a draw-in groove 4041, can be established by trip 4032 cards of the driving shaft 4031 of pneumatic cylinder 403, the shift reciprocately along with the action of pneumatic cylinder 403, and rear end one side has protruded out a baffle plate 4042, but its block is being located between the front and back system position screw 4062 of positioning seat 406, distance with the control shift reciprocately, be provided with two alignment pins 4043 at front end, this two alignment pin 4043 and can pass tool rest 402 respectively, and be set in two cutting knifes 405,405 ' microscler guide hole 4053,4053 ' locates, it is subjected to pneumatic cylinder 403 action and when back and forth driving, this two cutting knife 405,405 ' can be respectively with its positioning adapter 4051,4051 ' is an axle point, and mutually in the opposite direction synchronous swing running;

The cooperation of the above-mentioned all members of mat, again as shown in Figure 5, because this two stock guide 20,20 ' respectively with suitable spacing correspondence by putting behind platform 10, the deflector chute 201 that its grade is provided with, 201 ' can directly provide two strap A of slide fastener, A ' parallel importing simultaneously, reach the guide rail 202 that avris is provided with, 202 ' also can provide two chain tooth bar B simultaneously, B ' places, and be in the other direction, tilting importing with angle, making is deriving stock guide 20, can be nested with respectively in the time of 20 ' at two strap A, the side of A ', then utilize this drive unit 30 to be provided with two and drive fluted disc 302,302 ' drives band respectively carries two chain tooth bar B, B ', and this two drivings fluted disc 302,302 ' to be coaxial shape again be that CD-ROM drive motor 304 drives, nature, along with CD-ROM drive motor 304 is controlled by the computer initialization circuit and the interrupted rotation of row, this two chains tooth bar B, B ' just can be carried displacement by synchronous driving; Then, being controlled time-out when the CD-ROM drive motor 304 of drive unit 30 by the computer initialization circuit rotates, and make two to drive fluted disc 302,302 ' suspends carrier chain tooth bar B, during B ', the pneumatic cylinder 403 of this cutting means 40 of mat can be handled synchronously, and make driving shaft 4031 connecting rod 404 of pulling back, then this is respectively with lining 4051,4051 ' is moving type is positioned at tool rest 402, and be located at two alignment pins 4043 of connecting rod 404 front ends respectively, two cutting knifes 405 that 4043 ' son row places, 405 ', just can pulling back along with connecting rod 404, and respectively with positioning adapter 4051,4051 ' is that the axle point carries out the action that cuts by interior swing outward, because this two cutting knife 405,405 ' respectively with lining 4051,4051 ' is moving type is positioned at tool rest 402 rear end faces two rear flank, its lower end directly places profile groove 4001 places that are positioned at holder 400 2 sides with vertical, and this two profile groove 4001 again respectively with two stock guides 20,20 ' the grooving that is provided with 203,203 ' is corresponding, and this two cutting knife 405,405 ' by two alignment pins 4043,4043 ' the position that wears is different each other again, and (one is below lining 4051, another is in the top of lining 4051 '), when so connecting rod 404 is pulled back, this is positioned at two cutting knifes 405 at holder two profile grooves 4001 places originally, 405 ', just can go mutually immediately by interior swing outward, and just can be respectively to being set in two stock guide guide rails 202, chain tooth bar B on 202 ', B ' carries out synchronously, severing etc. the number of teeth, continue it, the involution action of this pneumatic cylinder 403 of mat, this two cutting knife 405 then, 405 ' again can be immediately by connecting rod 404 action involutions, and break away from two stock guides 20,20 ' guide rail grooving 203,203 ', certainly, because the distance of these connecting rod 404 reciprocating actions, can directly be located at two system position screws 4062 of positioning seat 406 sets, so this two cutting knife 405,405 ' swing running can be formulated really, be not cut to two strap A and have, A ' can touch the misgivings of bump mutually, simultaneously, with this two stock guide 20,20 ' grooving 203,203 ' inner edge, preset a relief hole that runs through 205 respectively, 205 ', then this cuts chain tooth bar B, the surplus bits that B ' produced will more can directly be discharged, and the unlikely chain tooth bar B that has influence on, leading of B ' moves conveying; Aforementioned this drive unit 30 suspends action and makes 40 pairs two chain tooth bars of cutting means B, B ' carries out synchronously, when cutting etc. the number of teeth, because this two strap A, A ' is in regular turn by on the chain-sewing machine, lower pressure wheel drives to be carried, and this is implemented the chain tooth bar B after cutting, the front end of B ' leading portion, again along with stock guide guide rail 202,202 ' lead to move by sewing is fixed on strap A, A ' goes up (this sewing action and known identical, so do not give unnecessary details in detail), so this is set two chain tooth bar B of length (promptly setting the number of teeth) severing, B ' leading portion, can be along with strap A, the conveying of A ' and one by one and synchronous sewing be installed in two strap A, on the A ', and the assembling of mat one pull head can directly form the basic configuration of a L type slide fastener, and do not have known must earlier the complete sewing of single strap of putting in order volume being finished, reach and will hold end to end more mutually and the shortcoming that can assemble pull head after closing; Continue it, chain tooth bar B after this is set that the number of teeth is isometric and cuts, B ' leading portion are along with strap A, A ' carry displacement, and after with back segment one suitably long distance being arranged, this drive unit 30 of mat can be accepted the control of computer initialization circuit again, and capable more in good time carrier chain tooth bar B, B ', then this strap A, A ' go up between each section chain tooth bar B, the B ', and nature can form an isometric dead band, and fixed length machinery cut after it was beneficial to.

The utlity model has following effect: in sum, the utility model The bilateral synchronous microsize device of L-type slide fastener chain-sewing machine, it is really Known same device have more produce quick, easy and economical, save time, Saving of labor's effect, its device, structure are uncomplicated.

Claims

1, a kind of bilateral synchronous microsize device of slide fastener chain-sewing machine mainly is made up of a platform, two stock guides, a drive unit and a cutting means; Wherein, a stock guide bottom surface is provided with a conduction band groove, and a side is high up in the air to convex with a convergent and the tilting shape guide rail that is connected with the conduction band groove in front end back to front, offers a grooving at the guide rail appropriate location, provides a strap, a chain tooth bar to wear to lead and move behind platform respectively; Drive unit is provided with a CD-ROM drive motor, a rotating shaft reaches at the rotating shaft other end and drives fluted disc by being equipped with one, it is corresponding that this rotating shaft and the guide rail of stock guide are vertical configuration, the side face that drives fluted disc exposes to platform and corresponding stock guide guide rail, when the control that CD-ROM drive motor is accepted the computer initialization circuit was interrupted, the direct drive chain tooth bar of this driving fluted disc was intermittently carried; Cutting means is provided with a pneumatic cylinder, can make cutting knife cut the chain tooth bar by connecting rod when drive unit suspends action;

It is characterized in that:

2, the bilateral synchronous microsize device of slide fastener chain-sewing machine according to claim 1 is characterized in that, the grooving inner edge that the guide rail of described two stock guides is provided with is respectively equipped with a relief hole that runs through.

3, the bilateral synchronous microsize device of slide fastener chain-sewing machine according to claim 1, it is characterized in that described drive unit is provided with two rotating shafts, drive the fluted disc end with suitable long exposing by being located at respectively, its end face is preset with intermeshing helical teeth respectively, and it can coaxially rotate synchronously.