CN1795299A - Bobbin-changing apparatus for sewing machine - Google Patents
Bobbin-changing apparatus for sewing machine Download PDFInfo
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- CN1795299A CN1795299A CNA2003801103077A CN200380110307A CN1795299A CN 1795299 A CN1795299 A CN 1795299A CN A2003801103077 A CNA2003801103077 A CN A2003801103077A CN 200380110307 A CN200380110307 A CN 200380110307A CN 1795299 A CN1795299 A CN 1795299A
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- shuttle
- sewing machine
- clamping
- clamping device
- clamping part
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
- D05B59/04—Devices for changing the bobbin
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A bobbin-changing apparatus includes a moving mechanism for reciprocally moving a bobbin-holding device between a sewing machine hook and a bobbin stock portion, the bobbin holding device holding a bobbin case at the tip of a chuck portion. A first cam plate is provided near one end of the moving mechanism, and a second cam plate is provided near the other end. In the process of the movement of the bobbin-holding device, the first cam plate causes the chuck portion to face the hook, and the second cam plate causes the chuck portion to face the bobbin stock portion. The cam plates are individually detachable from the moving mechanism. During the transportation of the sewing machine, one of the cam plates belongs to a main body sewing base, and the other, to extension sewing base. The bobbin-holding device includes a moving body portion, the chuck portion, and a spring member for urging the chuck portion so as to direct it to a predetermined neutral position in a normal state.
Description
Technical field
The present invention relates to the shuttle switch that the bobbin case of will accommodate the bottom line shuttle in the shuttle that is installed in Sewing machines automatically exchanges usefulness.
Background technology
In the past, have as the shuttle switch is known: if be installed on after the bottom line of the shuttle in the bobbin case in the shuttle of shuttle pedestal uses up, the bottom line switch that the bobbin case that this is empty and the new bobbin case of accommodating the shuttle of enough bottom lines of having reeled exchange automatically.Again, open in the 2000-157774 communique the Japan Patent spy, disclosed in the Sewing machines of bull formula, on each sewing machine head (each shuttle pedestal), be provided with the shuttle switch, and can drive with the driving mechanism of shared drive source with each shuttle switch with a plurality of sewing machine heads.
In the shuttle switch, shuttle storage part (or shuttle interchange box) is configured near the front (being leading edge) of making platform, making between the shuttle and this shuttle storage part by the shuttle pedestal below the inboard sewing machine head of platform the transfer mechanism that configuration moves back and forth shuttle clamping device (or shuttle clamping device).Shuttle storage part (or shuttle interchange box) has a plurality of bobbin cases, and the shuttle switch between carry out the handing-over of bobbin case.Promptly, the occasion of the line deficiency of the bottom line shuttle in shuttle, interrupt detection signal etc. according to bottom line and the shuttle clamping device is moved to the shuttle place by transfer mechanism, and the bobbin case that will accommodate the shuttle of sky from shuttle takes out, then, state by the bobbin case of transfer mechanism after with this taking-up of clamping makes this shuttle clamping device move to the shuttle storage part, this bobbin case is transferred to the shuttle deposit position of the sky of shuttle storage part.Then, make this shuttle storage part rotation predetermined angular, the new bobbin case of the shuttle of accommodating enough bottom lines of having reeled that will be positioned at other shuttle deposit position is taken out to this shuttle clamping device.This shuttle clamping device is transferred to the shuttle place with the state of the new bobbin case of this taking-up of clamping by transfer mechanism, and new bobbin case is placed in the empty shuttle.Basically, can automatically carry out the exchange of shuttle with such order.
Adopt such shuttle switch, since the operator if contraposition make platform by the shuttle storage part of front carry out empty bobbin case the recovery operation, accommodating the adjunctive program of new bobbin case of the shuttle of enough bottom lines of having reeled, so carry out operation easily.On the other hand,,, directly the bobbin case in the shuttle of shuttle pedestal is exchanged, so bother very much with hand because the operator must pierce the below of making platform if in the occasion of not using such shuttle switch.Therefore, in order to improve sewing work efficiency, for the large-scale industrial sewing machine of multi-handpiece sewing machine etc. (comprise common sewing machine for sewing certainly, also comprise embroidery machine), such shuttle switch becomes indispensable member.And, in addition should room for improvement in shuttle switch in the past, wish and can improve.
For example, open in the shuttle switch shown in the 2000-157774 communique above-mentioned spy, on the mobile guide plate that leads, be provided with the 1st gathering sill of linearity to the shuttle clamping device, and the 2nd gathering sill of the rake with direction conversion usefulness is set respectively near two ends, by by the rake of the 2nd gathering sill guiding, change the direction of the clamping part of shuttle clamping device in each terminal of shift motion.In a word, the interior structure of travel mechanism's (guide plate) of packing into inseparably of the direction switching mechanism on each end of shift motion with becoming one.
As everyone knows, for the size of Sewing machines, have multiplely according to embroidery scope etc., the distance from the shuttle pedestal to the leading edge of making platform, promptly the distance from Sewing machine shuttle to the shuttle storage part is also according to the Sewing machines size and difference.Therefore, the guide plate that just needs the various kinds (size) corresponding respectively with distance from Sewing machine shuttle to the shuttle storage part.This occasion, for prior art as described above, structure because the direction switching mechanism on each end of shift motion is packed into with becoming one inseparably in the guide plate, so must individually make the guide plate integral body of the direction switching mechanism on each end that comprises shift motion, take time and energy and make cost up for forming part of the dimensional structure of the pattern that is adapted to each Sewing machines.
Yet in the big Sewing machines of size, the state that platform is cut apart, will make the front part dismounting of platform when carrying will be made by the portion forwardly of making.This is can easily move into the cause of taking out of to building in order to reduce to pack form.At this moment, since will be installed in the guide plate of making the shuttle switch below the platform from the front part (by the part of removal) of making platform to the inside (the not part of removal) extend, so, at first shuttle switch (guide plate at least) must be dismantled for the platform of making in the place ahead is dismantled from body.And, after moving into, the front part of making platform is installed on the body, to once more the shuttle switch be installed in then make platform below.This operation bothers very much, guide plate especially, owing to need to decide the position of relative Sewing machine shuttle of shuttle clamping device and shuttle storage part according to the position of the direction switching mechanism at its both ends, so its position adjustment is very time-consuming.
Summary of the invention
The present invention makes in view of above-mentioned point, and its purpose is, the shuttle switch that carries out various improved new structures is provided.Again, its purpose is, even mobile distance travelled different occasion at the shuttle clamping device, also reply easily, shuttle switch easy to use are provided.Again, its purpose is, is provided at the occasion of making platform that is applied to Splittable, for dismounting and the also unpainful shuttle switch of installation exercise again.
According to the 1st technical scheme of the present invention, a kind of shuttle switch is provided, it is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having: the shuttle clamping device that bobbin case is carried out clamping at the front end of clamping part; The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part; Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the direction of described clamping part of this shuttle clamping device towards the 1st direction switching mechanism of described Sewing machine shuttle; Utilize described travel mechanism make described shuttle clamping device in the process that described shuttle storage part moves, the direction of described clamping part that makes this shuttle clamping device is towards the 2nd direction switching mechanism of described shuttle storage part, the described the 1st can separate with described travel mechanism respectively with the 2nd direction switching mechanism.
Like this, relative this travel mechanism is separable respectively with the 2nd direction switching mechanism owing to the 1st on the mobile route that is located at travel mechanism, even so travel mechanism is set for in any case move back and forth occasion arbitrarily apart from corresponding structure, also can use the 1st and the 2nd direction switching mechanism of same structure.Therefore, by making the depth size difference of making platform, even in the such occasion of the mobile distance travelled difference of shuttle clamping device, also can produce the effect of such excellence: can provide part to form and not spend time, easily with lower cost and its reply, have versatility, shuttle switch easy to use.Again, by making the 1st and the 2nd direction switching mechanism and being positioned at its middle separable structure of travel mechanism, in the occasion of making platform that is applied to the pattern that front part and body can separate, owing to when separating, only travel mechanism is dismantled, just the 1st and the 2nd direction switching mechanism can be retained in body and the front part of making platform respectively, so do not spend time, and can also play the effect that when assembling again, does not need the position that trouble is carried out in direction switching mechanism is adjusted operation (because can with direction switching mechanism from making the platform dismounting) or the like fully for separating.
According to another technical scheme of the present invention, a kind of shuttle switch is provided, it is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having: the shuttle clamping device that bobbin case is carried out clamping at the front end of clamping part; The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part; Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the direction of described clamping part of this shuttle clamping device towards the 1st direction switching mechanism of described Sewing machine shuttle; Utilizing described travel mechanism to make described shuttle clamping device in the process that described shuttle storage part moves, the direction of described clamping part that makes this shuttle clamping device is towards the 2nd direction switching mechanism of described shuttle storage part, described shuttle clamping device comprises: the mobile body that utilizes described travel mechanism to move point-blank, axle is bearing in this and moves described clamping part on the body, the ground, neutral position that the direction of this clamping part is pointed to regulation usually the time carries out the spring member of the application of force, described the 1st direction switching mechanism overcome the application of force of described spring member and the direction of front end that makes described clamping part towards the direction of described Sewing machine shuttle, described the 2nd direction switching mechanism overcome the application of force of described spring member and the direction of front end that makes described clamping part towards described shuttle storage part.By formation shuttle clamping device like this, just can play with simple structure and realize that the direction control of clamping part is the effect of the such excellence of ability of posture control.
As an example, described travel mechanism also can comprise: between Sewing machine shuttle and shuttle storage part to the lead guide part of usefulness of described shuttle clamping device; Make this shuttle clamping device move back and forth the drive division of usefulness along this guide part.Thus, can make simplifying the structure of travel mechanism.Again, it also can be the cam surface that the described the 1st and the 2nd direction switching mechanism has inclination respectively, described shuttle clamping device has the cam follower related with described clamping part, when this shuttle clamping device mobile,, this cam follower moves the direction that makes described clamping part rotate and change its front end thereby imitating described cam surface.Thus, can make simplifying the structure of direction switching mechanism.
According to another technical scheme of the present invention, a kind of shuttle switch is provided, it is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having: the shuttle clamping device that bobbin case is carried out clamping at the front end of clamping part; The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part, the described clamping part of described shuttle clamping device has: the bobbin case support arm is pulled out the support arm claw of usefulness, the support arm engaging protrusion that this support arm claw is rotated and this bobbin case support arm is pulled out the drive unit of operation, engaged and keep with the bobbin case support arm of being pulled out by this support arm claw.Thus, the clamp structure of the bobbin case on the shuttle clamping device is oversimplified, and can be kept clamp position reliably.
According to a technical scheme more of the present invention, a kind of shuttle switch is provided, it is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and has: the shuttle clamping device that bobbin case is carried out clamping at clamping part; Utilize selectively empty described clamping part with the bobbin case clamping catch action and make bobbin case from the described retained part of clamping shuttle from the actuator that unclamps action; The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part with described actuator; Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the direction of described clamping part of this shuttle grip device towards the 1st cam mechanism of the direction of described Sewing machine shuttle; Utilize described travel mechanism make described shuttle clamping device in the process that described shuttle storage part moves, make the direction of described clamping part of this shuttle grip device towards the 2nd cam mechanism of described shuttle storage part; Be positioned the device of neutral posture in the middle shift motion between described the 1st cam mechanism and the 2nd cam mechanism, with the direction of the described clamping part of described shuttle grip device, in described clamping part and described Sewing machine shuttle or described shuttle storage part position contacting, by utilizing described actuator that bobbin case is packed into or bobbin case is unclamped from this clamping part to this clamping part, can accommodate the exchange of the bobbin case of bottom line shuttle.
Description of drawings
Below, with reference to accompanying drawing embodiments of the invention are at length described.Among the figure,
Fig. 1 is the overall appearance sketch of an example that the bull formula embroidery machine of shuttle switch of the present invention has been used in expression;
Fig. 2 is the side view of an embodiment of expression shuttle switch of the present invention;
Fig. 3 is the side view with the same shuttle switch of device shown in Figure 2, is for the convenience of watching, will leads contraction in length and other each key element is amplified the figure of expression;
Fig. 4 is the vertical view of another posture of the shuttle grip unit of Fig. 2 and Fig. 3;
Fig. 5 be the A of Fig. 4 to view, be the figure of key element that represents a part with section;
Fig. 6 is expression from the figure of the another posture of the shuttle grip unit of seeing with the same direction of Fig. 5;
Fig. 7 (a)～(c) is a side view of the state of the torsionspring in the shuttle grip unit being extracted out expression;
Fig. 8 (a)～(c) is a side view of the state of the clamping part in the shuttle grip unit being extracted out expression;
Fig. 9 is a key diagram of representing the motion track of the roller in a series of direction switching motion with the concrete structure example of the 1st and the 2nd direction switching mechanism among side view presentation graphs 2 and Fig. 3 and summary;
Figure 10 is the key diagram that the motion track of the clamping part in a series of direction switching motion represented in summary;
Figure 11 is a vertical view of seeing the clamping part of shuttle grip unit from the top;
Figure 12 is the vertical view of state after expression utilizes clamping part with the bobbin case clamping;
Figure 13 is the side view of modification of the mounting structure of expression the 1st direction switching mechanism that is arranged on the Sewing machine shuttle side.
Preferred forms
[overall appearance of bull formula embroidery machine]
Fig. 1 is the overall appearance sketch of an example that the bull formula embroidery machine 1 of shuttle switch of the present invention has been used in expression.
Bull formula embroidery machine 1 as well-known, has at least: a plurality of sewing machine heads 2, body make platform 3 below with each sewing machine head 2 corresponding shuttle pedestal 5 (Fig. 2) that are provided with respectively, the Sewing machine shuttle 6 (Fig. 2) that on each shuttle pedestal, has.Make the detachable prolongation of exterior region configuration of platform 3 at body and make platform 4.Also be provided with the embroidery frame driving mechanism on the platform making, but, omitted diagram in order to illustrate the convenience of simplification again.For each Sewing machine shuttle 6 corresponding, be respectively equipped with the shuttle switch 7 of one embodiment of the invention with each sewing machine head 2.Owing to shuttle switch 7 is configured in the downside of making platform 3,4,, has only represented symbol so in Fig. 1, do not reveal.Make the bottom of the close front of platform 4 in prolongation, dispose shuttle storage part 8 accordingly respectively with each shuttle switch 7.In addition, by appended whole figure, suitably the part to mandatory declaration illustrates, and unwanted part is omitted diagram.Therefore, even in fact not shown part etc. are present in the product, again,, situation not shown in other figure is arranged also though in the figure that has, be illustrated.
[overall structure of shuttle switch 7]
Fig. 2 is the side view of an embodiment of expression shuttle switch 7 of the present invention, and expression is installed in the state of the downside of making platform 3,4.Though what only expression and one group of sewing machine head 2 and Sewing machine shuttle 6 were corresponding one overlaps shuttle switch 7, other shuttle switch also is identical structure.Fig. 3 is the side view with the same shuttle switch 7 of device shown in Figure 2, in order to improve identification, only shuttle switch 7 is extracted out, and each key element is represented enlargedly, but the length of guide post 21,22 and ring-shaped synchronous belt 25 is shortened for illustrated convenience.In Fig. 2, be difficult to the part seen clearly, can be together with reference to Fig. 3.
Shuttle switch 7 has: at front end shuttle grip unit 10 (shuttle clamping device) with the clamping part 11 of bobbin case B clamping is arranged; The travel mechanism 20 that this shuttle grip unit 10 is moved back and forth between Sewing machine shuttle 6 and shuttle storage part 8; Utilize this travel mechanism 20 with this shuttle grip unit 10 to Sewing machine shuttle 6 move/process of conveyance in, with the 1st direction switching mechanism 30 of the direction of the clamping part 11 of this shuttle grip unit 10 towards this Sewing machine shuttle 6; Utilize this travel mechanism 20 with this shuttle grip unit 10 in the process that shuttle storage part 8 moves, with the 2nd direction switching mechanism 40 of the direction of the clamping part 11 of this shuttle grip unit 10 towards this shuttle storage part 8.As described later, the 1st can separate with travel mechanism 20 respectively with the 2nd direction switching mechanism 30,40.
[explanation of travel mechanism 20]
Travel mechanism 20 comprises: 2 guide posts 21,22 (guide part) that extend abreast so that shuttle grip unit 10 straight line between Sewing machine shuttle 6 and shuttle storage part 8 moves in order to lead; Make this shuttle grip unit 10 move back and forth the driving mechanism of usefulness along this guide post 21,22.Guide post 21,22 forms suitable length dimension with spacing distance between the shuttle storage part 8 and makes guide part that two ends are constituted with 23,24 connections of maintenance accessory and parallel 2 guide posts 21,22 respectively and by blocking according to the Sewing machine shuttle 6 in the Sewing machines of using.The driving mechanism of travel mechanism 20 in illustrated embodiment, is with 25 to constitute with set annular in the length range of wheel guide 21,22 synchronously.This ring-shaped synchronous belt 25, hung over by frame between the driving wheel band gear 26 and driven pulley band gear 27 of the both end sides of being located at guide post 21,22 respectively, take turns with 25 regulation position at this and to fix shuttle grip unit 10, along with this mobile shuttle grip unit 10 that makes of taking turns with 25 moves.Shuttle grip unit 10 is made to the state that can utilize screw 12 dismountings with respect to wheel fixing with 25 regulation position.
Driving wheel band gear 26 is supported by axle at the regulation position of the 1st lobe plate 31 that constitutes the 1st direction switching mechanism 30, and is being connected coaxially with driven wheel 28.Again, driven pulley band gear 27 is supported by axle at the regulation position of the 2nd lobe plate 41 that constitutes the 2nd direction switching mechanism 40, and can freely driven rotation. Driven wheel 28 and 29 engagements of couple axle gear.Couple axle gear 29 is installed on the shared couple axle 50, and this shared couple axle 50 is driven by common drive motor (not shown) rotation of shuttle exchange usefulness.Again, shared couple axle 50, the downside of making platform 3 at the body of bull formula embroidery machine 1 be to horizontal extension, and fixing the described couple axle gear 29 of each the shuttle switch 7 corresponding with each sewing machine head 2 respectively.Therefore, exchange the rotation of the common drive motor of usefulness along with shuttle, shared couple axle 50 is rotated, described couple axle gear with this each shuttle switch 7 29 is rotated, with this, in each shuttle switch 7, driven wheel 28 also rotates, make 26 rotations of driving wheel band gear, drive ring-shaped synchronous belt 25.Thus, make and be fixed on this and take turns and carry out straight line with the shuttle grip unit 10 at 25 regulation position and move.
[explanation of shuttle grip unit 10]
Fig. 4 is the vertical view of shuttle grip unit 10.In addition, the inclination for the clamping part 11 of shuttle grip unit 10 is depicted as level direction to the right for downward direction in Fig. 4 in Fig. 3.Fig. 5 be the A of Fig. 4 to view, be the figure that represents a part of key element with section, but suitably omit for fear of miscellaneous hatching of section of will representing, describe as required.Fig. 6 is expression from the figure of the shuttle grip unit of seeing with the same direction of Fig. 5 10, but the inclination of clamping part 11 be a horizontal direction in Fig. 5, and is depicted as downward in Fig. 6.In other figure, equally also for fear of miscellaneous, suitably omit the hatching of expression section, describe as required.
At moving body 13 and fascinate between the operating bar 16, axle 14 disposes the axle collar 18 around fascinating.According to the width of the axle collar 18, form permission lobe plate 31,41 described later by required gap.Again, fascinate between the body 11a at moving body 13 and clamping, axle 14 setting-ins torsionspring (or helical spring) 19 around fascinating.Imbed spring steady pin 191 at the assigned position of moving body 13.To fascinate with axle 14 states that clip among the body 11a that clamping is fascinated and return pin 192 and imbed end with the clamping device opposition side again.Fig. 3 and Fig. 6 represent that torsionspring 19 is in neutral condition.One end 19a of torsionspring 19, the counter clockwise direction application of force in Fig. 3, the other end 19b of torsionspring 19, the clockwise direction application of force in Fig. 3.Each sells 191,192, be configured to can with the state of respectively holding 19a, 19b butt of torsionspring 19.Therefore, in Fig. 3 or neutral condition shown in Figure 6, each is sold 191,192 and is and respectively holds the state that is held between 19a, the 19b at torsionspring 19, the end of returning pin 192 of fascinating that has that clamping is fascinated on the body 11a is in uppermost position in fig-ure, the clamping device that is positioned at its end opposite is in upper/lower positions, that is, the front end of clamping part 11 is down set.Again, roller 17 is in upper.Fig. 7 (a) is that the form that expression will be in the torsionspring 19 of this neutral condition is extracted the figure of expression out.Fig. 8 (a) is that the form that expression will be in the clamping part 11 of this neutral condition is extracted the figure of expression out.
As described later, when the front end that makes clamping part 11 is changed with the direction of aiming in opposite directions of shuttle storage part 8, and when the clockwise direction of roller 17 in Fig. 3 fascinates, with this, fascinate body 11a and fascinate and return pin 192 and also fascinate to clockwise direction of clamping makes an end 19a of spring 19 rotate deflection to clockwise direction.Thus, the front end of clamping part 11 points to horizontal left in Fig. 2 or Fig. 3, promptly towards the direction of shuttle storage part 8.The form of the torsionspring 19 of this state is extracted in Fig. 7 (b) expression out, and Fig. 8 (b) extracts the form of the clamping part 11 of this state out expression.When the power on being applied to roller 17 is disengaged,, utilize the restoring force of spring to be back to neutral condition with respect to also being disengaged of an end 19a of spring 19 to clockwise rotation angular force.That is, an end 19a of spring 19 returns pin 192 and is back to neutral condition to counterclockwise moving to counterclockwise moving and return, fascinating.
On the other hand, as described later, when aiming at the travel direction conversion in opposite directions with shuttle 6 for the front end that makes clamping part 11, when roller 17 counterclockwise fascinates in Fig. 3, with this, fascinate body 11a and fascinate and return pin 192 and also fascinate to counter clockwise direction of clamping makes the other end 19b of spring 19 rotate to counterclockwise and is partial to.Thus, the front end of clamping part 11 sensing level in Fig. 2 or Fig. 3 is right-hand, that is, and and towards the direction of shuttle 6.The form of the torsionspring 19 of this state is extracted in Fig. 7 (c) expression out, and Fig. 8 (c) extracts the form of the clamping part 11 of this state out expression.When the power on being applied to roller 17 is disengaged,, utilize the restoring force of spring to be back to neutral condition with respect to also being disengaged of the other end 19b of spring 19 to anticlockwise rotation angular force.That is, the other end 19b of spring 19 moves and returns to clockwise direction, fascinates to return pin 192 and move to clockwise direction and be back to neutral condition.
[explanation of direction switching mechanism 30,40]
Return Fig. 2 or Fig. 3, and with reference to Fig. 9, the concrete structure example of direction switching mechanism 30,40 is described.Fig. 9 is a concrete structure example of representing direction switching mechanism 30,40 with side view, and the figure of the motion track of the roller 17 in a series of direction switching motion represented in summary for reference.
The 1st direction switching mechanism 30 is the mechanisms that are configured in the end of the close shuttle 6 in the conveyance stroke that utilizes the shuttle grip unit 10 that travel mechanism 20 (guide post 21,22) carries out, and specifically, is made of the 1st lobe plate 31 of regulation shape shown in Figure 9.The 1st lobe plate 31, have in the interval of fascinating of the regulation in the conveyance stroke along with towards rearward end (direction of shuttle 6) and the cam surface 31a that down tilts, and have and the linearity sector of the length of the regulation of cam surface 31a after finishing between suitable level trough 31b, also have the 31c of bearing portion that the rotating shaft of aforesaid driving wheel band gear 26 is carried out the axle supporting.Level trough 31b is made of roller 17 sizes chimeric and that guide to horizontal direction that are suitable for shuttle grip unit 10.Again, level trough 31b is axle 14 the groove that moves horizontally line that fascinates along shuttle grip unit 10, also allows this 14 enters.The 1st lobe plate 31 (the 1st direction switching mechanism 30) is positioned at body exactly and is made the lower surface of platform 3 with the configuration of regulation, installs with screw etc.And, easily the maintenance accessory 24 of an end of guide post 21,22 is installed in like this by on the 1st lobe plate 31 behind the location exactly by screw etc.
The 2nd direction switching mechanism 40, it is the mechanism that is configured in the end of the close shuttle storage part 8 in the conveyance stroke that utilizes the shuttle grip unit 10 that travel mechanism 20 (guide post 21,22) carries out, specifically, the 2nd lobe plate 41 by regulation shape shown in Figure 9 constitutes.The 2nd lobe plate 41 is by with above-mentioned the 1st lobe plate 31 essence same structures, constitute for symmetrical structure in more detail.Promptly, the 2nd lobe plate 41 has in the interval of fascinating of the regulation in the conveyance stroke along with towards leading section (direction of shuttle storage part 8) and the cam surface 41a that down tilts, and have and the linearity sector of the length of the regulation of cam surface 41a after finishing between suitable level trough 41b, also have the 41c of bearing portion that the rotating shaft of aforesaid driven pulley band gear 27 is carried out the axle supporting.The 2nd lobe plate 41 (the 2nd direction switching mechanism 40) is positioned at exactly with the configuration of regulation and is prolonged the lower surface make platform 4, installs with screw etc.And, easily the maintenance accessory 23 of the other end of guide post 21,22 is installed in like this by on the 2nd lobe plate 41 behind the location exactly by screw etc.Therefore, in case after each lobe plate 31,41 located and is fixed on the lower surface of respectively making platform 3,4 exactly, even the pilot unit of will be by guide post 21,22 and keeping the long size that accessory 23,24 constitutes is suitably from these lobe plate 31,41 removals, can the installation accuracy of lobe plate 31,41 not impacted yet, in the part of important direction switching mechanism, can keep the good positioning states of precision.In other words, even will and keep the pilot unit of the long size that accessory 23,24 constitutes by guide post 21,22 at random dismantles, repeatability to the positioning accuracy of guaranteeing direction switching mechanism 30,40 is not worried fully yet, can easily this pilot unit be installed in once more on each lobe plate 31,41.
[conveyance of shuttle grip unit 10 is moved and the direction switching motion]
Then, to the direction switching motion of the shuttle grip unit 10 that causes by direction switching mechanism 30,40, describe with reference to Fig. 9, Figure 10 and other.Figure 10 is the figure that the motion track of the clamping part 11 (clamping fascinate body 11a) in a series of direction switching motion represented in summary.
The roller 17 of shuttle grip unit 10, the lobe plate at the two ends of not closing on the conveyance stroke 31,41 o'clock, clamping part 11 utilizes the effect of foregoing torsionspring 19, the neutral condition that the clamping device of front end is kept down shown in Fig. 2, Fig. 3, Fig. 8 (a) etc.In Fig. 9, this interval table is shown " between the neutral zone ".As previously mentioned, in this neutral condition, roller 17 is in upper position (Fig. 7 (a), Fig. 8 (a)).When shuttle grip unit 10 when the direction of shuttle 6 (among Fig. 2, Fig. 3, Fig. 9 etc. right-hand) is mobile, soon, the topmost butt of the cam surface 31a of roller 17 and the 1st lobe plate 31.The position of in Fig. 9, representing roller 17 at this moment with symbol 17a.When being moved further, the cam surface 31a that roller 17 imitations descend to the right counterclockwise down fascinates for middle mind-set with axle 14, with this, bar 16 and axle 14 fascinate/rotate to same direction, the clamping body 11a that fascinates counterclockwise fascinates for middle mind-set with axle 14, and the direction ground that the clamping device of its front end points to shuttle 6 is little by little upwards and to counterclockwise rotating.When the foot of roller 17 arrival cam surface 31a, after, 31b moves horizontally chimericly with level trough.Like this, under roller 17 and the chimeric state of level trough 31b, roller 17 body 13 that relatively moves becomes such relation shown in Fig. 7 (c), and the clamping device of the front end of clamping moving body 11a becomes level to right-hand (towards the direction of shuttle 6) shown in Fig. 8 (c).Roller 17 and the interval that level trough 31b moves horizontally chimericly are expressed as " between the linearity sector " in Fig. 9.In this " between linearity sector ", the fascinate clamping device of front end of body 11a of clamping further moves to level is right-hand towards the direction of shuttle 6, arrive shuttle 6 at last, therefore, from this shuttle 6 bobbin case B (this occasion bottom line shuttle wherein normally empty) is picked up, or carry out bobbin case B (this occasion bottom line shuttle wherein has enough bottom lines usually) is placed on action in this shuttle 6.In addition, last in this " between the linearity sector ", the axle 14 that fascinates arrives among Fig. 9 with the position shown in the symbol 14a.
Then, make described motor counter-rotating, and make shuttle grip unit 10 to moving with 25 with aforementioned opposite direction (left of Fig. 9) by wheel.In this process, when roller 17 when level trough 31b breaks away from, as previously mentioned, under the effect of torsionspring 19, to the clockwise direction application of force, roller 17 moves up in the clockwise direction to pin 192, the cam surface 31a ground rising that imitation is risen left.When roller 17 when the topmost of cam surface 31a breaks away from, as previously mentioned, clamping part 11 (clamping fascinate body 11a) becomes neutral condition (Fig. 7 (a), Fig. 8 (a)).Shuttle grip unit 10, the direction (lefts among Fig. 2, Fig. 3, Fig. 9 etc.) to shuttle storage part 8 continues to move again, soon, the topmost butt of the cam surface 41a of roller 17 and the 2nd lobe plate 41.The position of in Fig. 9, representing roller 17 at this moment with symbol 17b.When being moved further again, the cam surface 41a that roller 17 imitation descends left down fascinates for middle mind-set clockwise direction with axle 14, with this, bar 16 and axle 14 fascinate/rotate to same direction, the clamping body 11a that fascinates fascinates for middle mind-set clockwise direction with axle 14, and the direction ground that the clamping device of its front end points to shuttle storage part 8 little by little upwards and to clockwise direction rotates.When the foot of roller 17 arrival cam surface 41a, after, 41b moves horizontally chimericly with level trough.Like this, under roller 17 and the chimeric state of level trough 41b, roller 17 body 13 that relatively moves becomes such relation shown in Fig. 7 (b), and the clamping device of the front end of clamping moving body 11a becomes level to left (towards the direction of shuttle storage part 8) shown in Fig. 8 (b).Roller 17 and the interval that level trough 41b moves horizontally chimericly are expressed as " between the linearity sector " in Fig. 9.In this " between linearity sector ", the fascinate clamping device of front end of body 11a of clamping further moves to horizontal left towards the direction of shuttle storage part 8, arrive shuttle storage part 8 at last, therefore, from this shuttle storage part 8 bobbin case B (this occasion bottom line shuttle wherein has enough bottom lines usually) is picked up, or carry out bobbin case B (this occasion bottom line shuttle wherein normally empty) is placed on action in this shuttle storage part 8.In addition, last in this " between the linearity sector ", the axle 14 that fascinates arrives among Fig. 9 with the position shown in the symbol 14b.
Then, described motor is just changeed, and with 25 shuttle grip unit 10 is moved to the right-hand of Fig. 9 by wheel.In this process, when roller 17 when level trough 41b breaks away from, as previously mentioned, under the effect of torsionspring 19, to the counter clockwise direction application of force, roller 17 is upwards action in the counterclockwise direction to pin 192, the cam surface 41a ground rising that imitation is risen to the right.When roller 17 when the topmost of cam surface 41a breaks away from, as previously mentioned, clamping part 11 (clamping fascinate body 11a) becomes neutral condition (Fig. 7 (a), Fig. 8 (a)).
Like this, can be according to its shift motion, with the travel direction conversion automatically in the scopes of 180 degree of the clamping part 11 of shuttle grip unit 10.
[explanation of clamping device]
Then, the embodiment to the clamping device in the clamping part 11 describes.Figure 11 is a vertical view of seeing the clamping part 11 of shuttle grip unit 10 from the top, and expression is in order to pick up bobbin case B from shuttle 6, or after just bobbin case B being placed in this shuttle 6, the front end of clamping part 11 and shuttle 6 state of contact.Figure 12 is the vertical view of state after expression utilizes clamping part 11 with bobbin case B clamping.In addition, among Figure 11, Figure 12, represent bobbin case B and inner shuttle thereof, but especially will note not additional hatching with the summary section.
The front end of clamping part 11 forms the posture with edge that the sag vertical curve by the convex curve on imitation bobbin case B surface constitutes and keeps accessory 11b, at the regulation position shuttle support arm claw 11c is carried out axle and supports.Will be with claw 11c coaxial and carry out the axle supporting with the claw opening 11d of its formation certain angle, the application point of claw opening 11d be connected with the bar of pawl switching cylinder 11e.Pawl opens and closes cylinder 11e and for example is made of cylinder, but also can be other actuator.As shown in figure 11, under the state after the bar with cylinder 11e shrinks, claw 11c is the state of opening, not with bobbin case B clamping.
In Figure 11, bobbin case B is described from the situation that shuttle 6 picks up utilizing clamping part 11.As shown in figure 11, clamping part 11 and shuttle 6, be in order to join the occasion of position relation of regulation of bobbin case B, the front end of the claw 11c of open mode, near the pawl that just is accommodated in dexterously the front end of the bobbin case support arm B1 after bobbin case B closed inserts with in the gap.Under this state, when the bar that makes cylinder 11e stretches out, utilize the bar linkage structure of claw opening 11d and claw 11c, claw 11c is that the center is in the drawings to counterclockwise rotating, with this claw 11c apolipsis with the axle supporting-point.At this moment, the front end that pawl inserts with the claw 11c in the gap hooks bobbin case support arm B1 from its inboard, and this bobbin case support arm B1 is opened laterally.Keep the regulation position of accessory 11b to be provided with support arm support 11g and support arm window projection 11f in posture, and the bobbin case support arm B1 that will utilize claw 11c to be opened with support arm support 11g blocks, and, support arm window projection 11f is engaged with the peritreme that bobbin case support arm B1 goes up formed openning B2 powerfully.Like this, as shown in figure 12, between claw 11c and support arm support 11g, bobbin case support arm B1 is caught, and support arm window projection 11f is engaged powerfully with the peritreme of the openning B2 of bobbin case support arm B1, and, keep accessory 11b the surface of bobbin case B to be supported reliably its result with posture, as a whole, can be with clamping part 11 reliably with bobbin case B clamping.In addition, though not shown, claw 11c the axle supporting-point be provided with helical spring, under the state that this claw 11c is opened as shown in figure 11, all the time it is carried out the application of force.Therefore, when the elongation driving force of cylinder 11e is removed, make claw 11c be back to the such open mode of Figure 11, the bobbin case B of clamping is left.Like this, can utilize clamping part 11 to carry out by control to the clamping of bobbin case B and the control of unclamping to cylinder 11e.
[explanation of shuttle storage part 8]
Shuttle storage part 8 can use known in the past structure.1 shuttle storage part 8, as Fig. 2 or shown in Figure 10, have 4 bobbin case storage of extending radially, utilize the rotation of calibration driving shaft 81, go out the storage of implantation site 8a by shuttle grip unit 10 definite regulations that should be positioned at access with the interval of 90 degree.Calibration driving shaft 81 as shown in Figure 1, to the horizontal expansion of Sewing machines, and each shuttle storage part 8 corresponding with each shuttle switch 7 jointly carried out calibration control.For example, the occasion receive empty bobbin case B from shuttle grip unit 10 is positioned at empty storage and stipulates out implantation site 8a.And, put in advance and accommodate the bobbin case B that is wound with enough bottom lines at least 1 storage of regulation.And, accept the bobbin case B of the sky that takes out from shuttle 6 by shuttle grip unit 10 in the storage of the sky of stipulating out implantation site 8a.Then, make calibration driving shaft 81 rotation, and make 8 rotations of shuttle storage part, make mounting accommodate the shuttle of enough bottom lines of having reeled the storage of bobbin case B be positioned at and stipulate out implantation site 8a.And, utilize shuttle grip unit 10 will be positioned at this bobbin case B that stipulates out implantation site 8a and pick up, bring to shuttle 6 and be contained in the shuttle 6.Like this, can exchange automatically the bottom line shuttle.In addition, general, for the recovery of the replenishing of the new bobbin case B each storage, that accommodated the shuttle that is wound with enough bottom lines of shuttle storage part 8, empty bobbin case B, carry out with staff.Therefore, shuttle storage part 8 is positioned at the exterior region of making platform 4 and just means and utilize staff to carry out operation easily.But, be not limited thereto, replenish, reclaim also suitably automation for the bobbin case B of each storage of shuttle storage part 8.
[to decomposing the explanation of assembling performance]
As mentioned above, the lower surface that body is made platform 3 is located, is installed on to the 1st lobe plate 31 as the 1st direction switching mechanism 30 exactly, located, be installed on the lower surface that platform 4 is made in prolongation exactly as the 2nd lobe plate 41 of the 2nd direction switching mechanism 40 again.Again, as shown in Figure 2, the lower surface that platform 4 is made in prolongation is also located, is installed in to each shuttle storage part 8 exactly.This occasion, as shown in Figure 2, for example, the shared installation accessory 9 that the bolt hole etc. that lobe plate 41 and shuttle storage part 8 usefulness are installed is vacated is exactly located exactly, is installed in to prolong and makes the lower surface of platform 4, and lobe plate 41 and shuttle storage part 8 can be installed on this shared installation accessory 9.
When making the bull formula embroidery machine of present embodiment, make making to major general's sewing machine body and prolongation under the state that platform 4 separates, and under the state that separates, pack respectively, be carried to the delivery destination.As large scale industry machinery, the delivery destination is to be common abroad.If make body that platform is separated into the sewing machine body side and make platform 3 and prolongation and make platform 4 ground and pack, carry large-scale like this, in final delivery destination, platform 4 is made in prolongation to be made platform 3 with the body of sewing machine body side and is connected, will be as the bull formula embroidery machine assembling of final products, can save landed cost significantly by making shipment packing compact dimensionsization, accommodating efficiently etc. in transporting container.
The advantage itself that such isolating construction/assembling produces, also all knowing in the past, but in device in the past since the shuttle switch that will be located at the downside of making platform as a whole and integrated, so under the state of body being made after platform and prolongation are made platform and separated, the shuttle switch is all dismounting back carryings also, and is last, after prolongation being made platform and the body of sewing machine body side and making platform and be connected, must position exactly, install shuttle switch integral body, bother very much.
In contrast, adopt the embodiment of the invention, in the plant-manufactured stage, with lobe plate 41 with the shuttle storage part 8 relative prolongations make platform 4 and locate exactly also and install, again, lobe plate 31 relative bodies have been made platform 3 and have been located exactly and install.Again, also can belong to the also installation in advance of calibration driving shaft 81 that platform 4 one sides are made in prolongation, also driven pulley band gear 27 can be installed on the lobe plate 41 in advance.Equally, can belong to body and make driving wheel band tooth 26, the driven wheel 28 of platform 3 one sides and be installed in advance on the lobe plate 31, and linked gear 29, shared couple axle 50 etc. can also be installed in body in advance and make on the platform 3.And, making under the state that platform separates two like this, pack respectively, finally moving into the destination, platform 4 is made in prolongation made platform 3 with the body of sewing machine body side and be connected, be assembled into bull formula embroidery machine as final products.At this moment, when carrying out the assembling of shuttle switch 7, only with keeping accessory 23,24 that 2 guide posts 21,22 are connected, and will be installed in 1 unit that constitutes on the guide post 21,22 with the shuttle grip unit 10 of ring-shaped synchronous belt 25 packs in addition, carries (promptly, as a whole 3 packaged units are carried), in the end, by utilizing the fastening grade of screw easily it to be installed on the lobe plate 31,41 of the downside of making platform 3,4, if will take turns be with 25 hang on each gear 26,27 just passable.Therefore, the assembling of shuttle switch 7 just is very easy to, and a series of cost of the separation packing carrying assembling of following Sewing machines integral body is reduced significantly.
The present invention, be not limited to follow the separation packing of such Sewing machines integral body to carry the advantage of assembling, even in the occasion of travel mechanism being set for the structure corresponding, also has the 1st and the 2nd direction switching mechanism (lobe plate 31,41) that to use same structure and the advantage that produces with moving back and forth distance in any case arbitrarily.Promptly, even owing to make the depth size difference of platform, the such occasion of mobile distance travelled difference of shuttle clamping device, because as long as the length of change guide post 21,22 just can be tackled, so formation does not spend time (the shared lobe plate 31,41 of energy) for part, just easily with lower cost and its reply, can also play provide have versatility, the shuttle switch easy to use effect of excellence like this.
[explanation of modification]
In the above-described embodiments, be that the 1st direction switching mechanism 30 that will be positioned at shuttle pedestal 5 sides is installed in body and makes on the platform 3, but be not limited thereto, also can be installed on the suitable position (as shuttle pedestal 5) of sewing machine body side.Figure 13 is that expression is installed in example on the shuttle pedestal 5 with the 1st direction switching mechanism 30.In Figure 13, the carriage 301 of L font roughly is fixed on the shuttle pedestal 5, the bottom of carriage 301 is fixed on the Sewing machines framework F.The 1st direction switching mechanism 30 of shuttle pedestal 5 sides is fixed on this carriage 301.50 of shared couple axles are bearing on the carriage 301.By making the structure that like this 1st direction switching mechanism 30 is installed on the shuttle pedestal 5, just can further improve positioning accuracy in the shuttle grip unit 10 of shuttle pedestal 5 sides.
Again, in the above-described embodiments, the claw 11c to the clamping part 11 of shuttle grip unit 10 drives with cylinder, but is not limited thereto, and also can use other proper device.For example, also can with wire as join rope, by it being pushed away/pulling process, the claw 11c of clamping part 11 is opened and closed.
Drive in the rotation that utilizes shared couple axle 50 and make in the transmission mechanism that shuttle grip unit 10 moves, even also can have the slippage transmission mechanism that under the state that shuttle grip unit 10 is stopped, also shared couple axle 50 is rotated again.Therefore, for example, plectane (not shown) is separately fixed at the end of axle with the axle of driving wheel band gear 26 of driven wheel 28, these 2 plectanes is carried out crimping, just the rotation of driven wheel 28 is transmitted to driving wheel band gear 26 by utilizing spring member.Thus, even shuttle grip unit 10 arrives mobile boundary and driving wheel band gear 26 becomes the state that can not rotate, also can produce slippage and can make driven wheel 28 between described 2 plectanes is that shared couple axle 50 is rotated.Therefore, for example, part at the exterior region of making platform 4 is provided with the enterable breach of operator, employing at the shuttle crosspoint 7 of the part that is configured in this breach be configured in the amount of movement that does not have the shuttle of barbed portion crosspoint 7, shuttle grip unit 10 and become the different occasions of structures like that, can make the long side of shared couple axle 50 and amount of movement be rotated driving accordingly.Promptly, in the short side of amount of movement, even after shuttle grip unit 10 stops, continuing shared couple axle 50 is rotated driving, can not utilize above-mentioned slippage transmission mechanism to transmit rotation, the short side's of this amount of movement shuttle grip unit 10 is no longer further moved as straight line.Again, by being provided with above-mentioned slippage transmission mechanism, in the moving of the shuttle grip unit 10 of each shuttle switch 7, produce the occasion that is offset, also can be rotated driving so that its amount of movement than the shuttle grip unit of reality moves morely, make all shuttle grip unit 10 move to moving limit position shared couple axle 50.
Again, with motor shared couple axle 50 is rotated driving in the above-described embodiments, but is not limited thereto, also can use other drive source arbitrarily.For example, also can use linear drives source (for example cylinder) the linear drives power that is produced is carried out the mechanism of conversion to rotatablely moving of shared couple axle 50.
In addition, shuttle switch of the present invention is not limited to embroidery machine, also can be applied to the Sewing machines of other any pattern.Again, be not limited to multi-handpiece sewing machine, also can be applicable to the Sewing machines of 1 hair style Sewing machines and other any pattern.
Claims (15)
1, a kind of shuttle switch is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having:
Bobbin case is carried out the shuttle clamping device of clamping at the front end of clamping part;
The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part;
Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the direction of described clamping part of described shuttle clamping device towards the 1st direction switching mechanism of described Sewing machine shuttle;
Utilize described travel mechanism make described shuttle clamping device in the process that described shuttle storage part moves, the direction of described clamping part that makes described shuttle clamping device is towards the 2nd direction switching mechanism of described shuttle storage part,
The described the 1st can separate with described travel mechanism respectively with the 2nd direction switching mechanism.
2, shuttle switch as claimed in claim 1 is characterized in that, described travel mechanism comprises: between Sewing machine shuttle and shuttle storage part to the lead guide part of usefulness of described shuttle clamping device; Make described shuttle clamping device move back and forth the drive division of usefulness along described guide part.
3, shuttle switch as claimed in claim 1 is characterized in that,
The the described the 1st and the 2nd direction switching mechanism has the cam surface of inclination respectively,
Described shuttle clamping device has the cam follower related with described clamping part, when described shuttle clamping device mobile, imitate described cam surface by described cam follower and moves the direction that makes described clamping part rotate and change its front end.
4, a kind of shuttle switch is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having:
Bobbin case is carried out the shuttle clamping device of clamping at the front end of clamping part;
The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part;
Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the 1st direction switching mechanism of the described Sewing machine shuttle of directional steering of the described clamping part of described shuttle clamping device;
Utilize described travel mechanism make described shuttle clamping device in the process that described shuttle storage part moves, make the 2nd direction switching mechanism of the described shuttle storage part of directional steering of the described clamping part of described shuttle clamping device,
Described shuttle clamping device comprises: mobile body, the axle that utilizes described travel mechanism to move point-blank be bearing in described clamping part on the described mobile body, point to the direction of described clamping part regulation usually time the ground, neutral position carries out the spring member of the application of force
Described the 1st direction switching mechanism overcome the application of force of described spring member and the direction of front end that makes described clamping part towards the direction of described Sewing machine shuttle, described the 2nd direction switching mechanism overcome the application of force of described spring member and the direction of front end that makes described clamping part towards the direction of described shuttle storage part.
5, shuttle switch as claimed in claim 4, it is characterized in that, described spring member is made of torsionspring, to be located at described clamping part with the pin that the rotation of described clamping part is rotated accordingly and engage with described torsionspring, when described clamping part being rotated by the described the 1st and the 2nd direction switching mechanism, make described torsionspring displacement by described pin, when not being such, described pin is subjected to the application of force of described torsionspring and makes described clamping part be back to the neutral position.
6, shuttle switch as claimed in claim 4 is characterized in that,
The the described the 1st and the 2nd direction switching mechanism has the cam surface of inclination respectively,
Described shuttle clamping device has the cam follower related with described clamping part, when described shuttle clamping device mobile, imitate described cam surface by described cam follower and moves the direction that makes described clamping part rotate and change its front end.
7, a kind of shuttle switch is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having:
Bobbin case is carried out the shuttle clamping device of clamping at the front end of clamping part;
The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part,
The described clamping part of described shuttle clamping device has:
With the bobbin case support arm pull out usefulness the support arm claw,
Described support arm claw is rotated and to described bobbin case support arm pull out operation drive unit,
The support arm engaging protrusion that engages and keep with the bobbin case support arm of being pulled out by described support arm claw.
8, a kind of shuttle switch of multi-head sewing machine is characterized in that, in having the Sewing machines of a plurality of sewing machine heads, for each shuttle corresponding with each sewing machine head, is respectively equipped with the described shuttle switch of claim 1.
9, the shuttle switch of multi-head sewing machine as claimed in claim 8 is characterized in that,
Described travel mechanism comprises the synchronous band that described shuttle clamping device is kept and moves together,
Also has the common power transmission mechanism that the driving force of common motor is transmitted to the described synchronous band of the described travel mechanism of the described shuttle switch corresponding with each sewing machine head.
10, the shuttle switch of multi-head sewing machine as claimed in claim 8 is characterized in that,
Described multi-head sewing machine comprises: body is made platform, described relatively body and is made the prolongation of the detachable any expansion of platform and make platform,
Described shuttle storage part is configured in the leading edge of making platform near described prolongation, therefore, by the expansion that platform is made in the described prolongation that is installed on the described multi-head sewing machine, the interval of described Sewing machine shuttle and described shuttle storage part is changed,
Described travel mechanism has and the corresponding distance that moves back and forth in the interval of described Sewing machine shuttle and described shuttle storage part.
11, the shuttle switch of multi-head sewing machine as claimed in claim 10 is characterized in that,
Described the 1st direction switching mechanism is installed in described body and makes the platform side,
Described the 2nd direction switching mechanism is installed in described prolongation and makes the platform side,
Make from described body under the state that platform separates described prolongation being made platform, described travel mechanism can separate with the 2nd direction switching mechanism with the described the 1st, its result can be separated into each inscape described body at least and make platform side, described prolongation and make platform side, and these 3 parts of described travel mechanism side.
12, a kind of shuttle switch of multi-head sewing machine is characterized in that, in having the Sewing machines of a plurality of sewing machine heads, for each shuttle corresponding with each sewing machine head, is respectively equipped with the described shuttle switch of claim 4.
13, the shuttle switch of multi-head sewing machine as claimed in claim 12 is characterized in that,
Described travel mechanism comprises the synchronous band that described shuttle clamping device is kept and moves together,
Also has the common power transmission mechanism that the driving force of common motor is transmitted to the described synchronous band of the described travel mechanism of the described shuttle switch corresponding with each sewing machine head.
14, the shuttle switch of multi-head sewing machine as claimed in claim 8 is characterized in that,
Described multi-head sewing machine comprises the separable platform of making of relative sewing machine body,
Described shuttle storage part is configured near described separable leading edge of making platform,
Described the 1st direction switching mechanism is installed in described sewing machine body side,
Described the 2nd direction switching mechanism is installed in the described separable platform side of making,
Making under the state that platform separates from described sewing machine body described, described travel mechanism can separate with the 2nd direction switching mechanism with the described the 1st, its result can be separated into each inscape described sewing machine body side, described separable platform side, and these 3 parts of described travel mechanism side made at least.
15, a kind of shuttle switch is used for the bottom line shuttle that is installed in the Sewing machine shuttle is exchanged, and it is characterized in that having:
Bobbin case is carried out the shuttle clamping device of clamping at clamping part;
Utilize selectively empty described clamping part with the bobbin case clamping catch action and make bobbin case from the described retained part of clamping shuttle from the actuator that unclamps action;
The travel mechanism that described shuttle clamping device is moved back and forth between Sewing machine shuttle and shuttle storage part with described actuator;
Utilize described travel mechanism make described shuttle clamping device in the process that described Sewing machine shuttle moves, make the direction of described clamping part of described shuttle clamping device towards the 1st cam mechanism of the direction of described Sewing machine shuttle;
Utilize described travel mechanism make described shuttle clamping device in the process that described shuttle storage part moves, make the direction of described clamping part of described shuttle clamping device towards the 2nd cam mechanism of described shuttle storage part;
In the middle shift motion between described the 1st cam mechanism and the 2nd cam mechanism, the direction of the described clamping part of described shuttle clamping device is positioned the device of neutral posture,
In described clamping part and described Sewing machine shuttle or described shuttle storage part position contacting, by utilizing described actuator bobbin case is packed into or bobbin case is unclamped from described clamping part to described clamping part, can accommodate the exchange of the bobbin case of bottom line shuttle.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/014591 WO2005047586A1 (en) | 2003-11-17 | 2003-11-17 | Bobbin-changing apparatus for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1795299A true CN1795299A (en) | 2006-06-28 |
Family
ID=34587071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003801103077A Pending CN1795299A (en) | 2003-11-17 | 2003-11-17 | Bobbin-changing apparatus for sewing machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070056490A1 (en) |
| EP (1) | EP1722022A1 (en) |
| JP (1) | JPWO2005047586A1 (en) |
| CN (1) | CN1795299A (en) |
| WO (1) | WO2005047586A1 (en) |
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| CN101979747A (en) * | 2010-11-03 | 2011-02-23 | 佛山市启创科技发展有限公司 | Automatic bottom line changing device of computer embroidery machine |
| CN101104988B (en) * | 2006-07-11 | 2011-09-07 | 东海工业缝纫机株式会社 | Bobbin changer apparatus for sewing machine |
| CN103696186A (en) * | 2013-12-11 | 2014-04-02 | 佛山市启创科技发展有限公司 | Shuttle core clamping mechanism used in automatic base line replacing device of embroidery machine |
| CN104088101A (en) * | 2014-07-07 | 2014-10-08 | 温州德珠机械有限公司 | Bobbin mounting casket |
| CN104099733A (en) * | 2014-07-07 | 2014-10-15 | 温州德珠机械有限公司 | Automatic bobbin mounting and dismounting device |
| CN105442207A (en) * | 2015-12-15 | 2016-03-30 | 王桂林 | Automatic bottom-line changing apparatus for computerized embroidery machine |
| CN105671819A (en) * | 2016-01-08 | 2016-06-15 | 惠州神田精密机械有限公司 | Stabilizing structure of automatic grabbing and bottom thread replacement equipment |
| CN105970512A (en) * | 2016-05-25 | 2016-09-28 | 上海德邻自动化设备有限公司 | Obliquely ascending bobbin thread automatic changing device of computerized embroidery machine |
| CN106149237A (en) * | 2016-05-21 | 2016-11-23 | 浙江越隆缝制设备有限公司 | Computerized emboridering machine refoots line control method automatically |
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| DE102006045061A1 (en) * | 2006-09-21 | 2008-03-27 | Zsk Stickmaschinen Gmbh | Embroidery, quilting or sewing machine, has upper and under thread system, and device is provided for changing under thread |
| DE102010003182B4 (en) * | 2010-03-23 | 2011-12-01 | Rsg Rombold System Gmbh & Co. Kg | Device for changing a bobbin thread |
| CN106468002B (en) * | 2015-08-14 | 2018-10-23 | 深圳市恒科通机器人有限公司 | Embroidery machine and its baseline replace robot |
| DE102016005166A1 (en) * | 2016-04-30 | 2017-11-02 | Pfaff Industriesysteme Und Maschinen Gmbh | Sewing machine with a bobbin case changing device |
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2003
- 2003-11-17 EP EP03772827A patent/EP1722022A1/en not_active Withdrawn
- 2003-11-17 WO PCT/JP2003/014591 patent/WO2005047586A1/en not_active Application Discontinuation
- 2003-11-17 US US10/579,301 patent/US20070056490A1/en not_active Abandoned
- 2003-11-17 JP JP2005510578A patent/JPWO2005047586A1/en active Pending
- 2003-11-17 CN CNA2003801103077A patent/CN1795299A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104988B (en) * | 2006-07-11 | 2011-09-07 | 东海工业缝纫机株式会社 | Bobbin changer apparatus for sewing machine |
| CN101979747A (en) * | 2010-11-03 | 2011-02-23 | 佛山市启创科技发展有限公司 | Automatic bottom line changing device of computer embroidery machine |
| WO2012058937A1 (en) * | 2010-11-03 | 2012-05-10 | 佛山市启创科技发展有限公司 | Automatic bottom thread changing device of computer embroidery machine |
| CN103696186A (en) * | 2013-12-11 | 2014-04-02 | 佛山市启创科技发展有限公司 | Shuttle core clamping mechanism used in automatic base line replacing device of embroidery machine |
| CN103696186B (en) * | 2013-12-11 | 2014-07-30 | 佛山市启创科技发展有限公司 | Shuttle core clamping mechanism used in automatic base line replacing device of embroidery machine |
| CN104099733A (en) * | 2014-07-07 | 2014-10-15 | 温州德珠机械有限公司 | Automatic bobbin mounting and dismounting device |
| CN104088101A (en) * | 2014-07-07 | 2014-10-08 | 温州德珠机械有限公司 | Bobbin mounting casket |
| CN104099733B (en) * | 2014-07-07 | 2016-06-29 | 温州德珠机械有限公司 | Automatic peg or spindle handler |
| CN105442207A (en) * | 2015-12-15 | 2016-03-30 | 王桂林 | Automatic bottom-line changing apparatus for computerized embroidery machine |
| CN105671819A (en) * | 2016-01-08 | 2016-06-15 | 惠州神田精密机械有限公司 | Stabilizing structure of automatic grabbing and bottom thread replacement equipment |
| CN106149237A (en) * | 2016-05-21 | 2016-11-23 | 浙江越隆缝制设备有限公司 | Computerized emboridering machine refoots line control method automatically |
| CN105970512A (en) * | 2016-05-25 | 2016-09-28 | 上海德邻自动化设备有限公司 | Obliquely ascending bobbin thread automatic changing device of computerized embroidery machine |
| CN105970512B (en) * | 2016-05-25 | 2019-03-08 | 上海德邻自动化设备有限公司 | A kind of automatic bobbin thread-replacing mechanism that computerized emboridering machine tilting rises |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1722022A1 (en) | 2006-11-15 |
| WO2005047586A1 (en) | 2005-05-26 |
| JPWO2005047586A1 (en) | 2007-06-14 |
| US20070056490A1 (en) | 2007-03-15 |
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Open date: 20060628 |