CN101275339A - Ring sewing machine for sewing button - Google Patents
Ring sewing machine for sewing button Download PDFInfo
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- CN101275339A CN101275339A CNA200810090610XA CN200810090610A CN101275339A CN 101275339 A CN101275339 A CN 101275339A CN A200810090610X A CNA200810090610X A CN A200810090610XA CN 200810090610 A CN200810090610 A CN 200810090610A CN 101275339 A CN101275339 A CN 101275339A
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Abstract
The invention provides a circular seam button sewing machine, which is unlikely to damage cloth for sewing button, preventing damaged button and avoiding bad cutting thread. A driving control unit (91) controls a button rotating mechanism (16b) and a button clamping part switching mechanism (16a) after ending sewing circular seam, enabling the button clamping part (25) to rotate the button (13) from vertical state to horizontal state as well as releasing the button (13), simultaneously controlling an upper and lower moving mechanism (83) of ligula part, to enable the ligula part (66) to move to a lowering position.
Description
Technical field
The present invention relates to a kind of ring sewing machine for sewing button that nail catcher is made and circumferential weld is made that carries out.
Background technology
Current, use a kind of ring sewing machine for sewing button, it is made button on cloth in order to utilize suture, at first utilizing the root line to carry out nail catcher makes, carry out the circumferential weld of coiling suture on above-mentioned line afterwards and make, above-mentioned line runs through the hole portion of button and and button is sewn to (for example with reference to patent documentation 1 or patent documentation 2) on the cloth.
The ring sewing machine for sewing button of patent documentation 2 records, at first utilize the button clamping part that button is remained on the needle plate with level, suture needle is moved up and down, simultaneously button and suture needle are relatively moved in the mode that in the portion of the hole of button, alternatively runs through suture needle, thereby utilize and the co-operating that is configured in the looper device of pedestal part inside, between the return portion of the hole of button portion and cloth is divided, the root line is set by suture, carries out nail catcher and make.
Then, by after the nail catcher sewing finishing, the cloth that cloth holding member (tongue-like part) is risen and will make button is turned back and is kept, utilize the button clamping part simultaneously, make button rotation 90 degree and keep plumbness with respect to needle plate, in its both sides suture needle is moved up and down across above-mentioned line alternately, suture is twined the carrying out circumferential weld and make of root line on every side.
Then, after the circumferential weld sewing finishing, the tangent mechanism that above-mentioned ring sewing machine for sewing button utilization is configured in the needle plate below cuts off suture by utilizing a pair of cutting knife clamping suture.
According to above-mentioned existing ring sewing machine for sewing button, in order to rotate carrying out making the button clamping part become plumbness when circumferential weld is made, for the lower edge that makes button not with the upper surface butt of needle plate, button need be remained on the height and position of regulation of needle plate top.Thereupon and since the position that keeps cloth also with move carrying out comparing when nail catcher is made above more, so be arranged at the movable cutting knife on the tangent mechanism that is configured in needle plate inside and the position separating of cloth.
Under above-mentioned state,, then produce the elongated and inaesthetic problem of suture residue length if utilize tangent mechanism to cut off suture.
Therefore, existing ring sewing machine for sewing button is carrying out circumferential weld when making, and by tongue-like part is risen cloth is moved the position upward, after the circumferential weld sewing finishing, by making after cloth is positioned at down position, utilize tangent mechanism to cut off suture making tongue-like part drop to the origin-location.At this moment, if after circumferential weld is made, before decontroling button by the button clamping part tongue-like part is descended, the root line that then is provided with between the hole portion of button and the cloth can excessively stretch, and might damage cloth.So existing ring sewing machine for sewing button after decontroling button by the button clamping part, descends tongue-like part, utilizes tangent mechanism to cut off suture.
Patent documentation 1: special fair 7-49076
Patent documentation 2: the spy opens the 2007-334 communique
Summary of the invention
Existing issue point among Figure 12 is described.If after the circumferential weld sewing finishing, after decontroling button 101 by not shown button clamping part, the tongue-like part 106 that keeps cloth 108 is descended, then from the button clamping part decontrol and freely button 101 shown in Figure 12 (a), with the stitch points of cloth 108 and root line is that the leading section A of tongue-like part 106 is the center, rotate and decline along arrow F direction, so might be embedded in the horizontal pin hole 105 that forms longways of the pin swaying direction of needle plate 102 upper edge suture needles.
In addition, the tongue-like part retainer 107 of the shift position of restriction tongue-like part 106 fore-and-aft directions also descends integratedly with tongue-like part 106, but this moment, because button 101 is shown in Figure 12 (b), with the leading section A of tongue-like part 106 is center and rotate and descend along arrow F direction, so decontrol and button 101 freely from the button clamping part, might be clamped between needle plate 102 and the tongue-like part retainer 107.
In addition, embed in the pin hole 105 of needle plates 102 at button 101, or be clamped under the situation between tongue-like part retainer 107 and the needle plate 102, button 101 might damaged or damage.
In addition, under needle plate, have in the Sewing machines of tangent mechanism, because suture 109 is positioned at the position that the off-position with not shown tangent mechanism departs from, so it is bad to produce the cut-out of suture 109.
The present invention proposes in view of these problems, and its purpose is to provide a kind of ring sewing machine for sewing button, and it is by when the circumferential weld sewing finishing, makes button keeping parallelism state and decontrols button, prevents the cloth or the button damage of making.
To achieve these goals, ring sewing machine for sewing button involved in the present invention is characterized in that, has: suture needle (2), and it moves up and down; Needle plate (51), it has the suture needle of making and runs through wherein pin hole (52); Button clamping part (25), it can clamping or decontrols button, can be level and plumbness with respect to above-mentioned needle plate displacement with the above-mentioned button that is held simultaneously; Opening/closing unit (36), it makes above-mentioned button clamping part carry out on-off action, with clamping or decontrol aforementioned button; Rotating unit (42), it rotates above-mentioned button clamping part, so that aforementioned button is positioned at level or plumbness; Cloth holding member (66), it is folding and keep cloth, can near the down position of needle plate and and needle plate above move up and down between the lifting position of isolating; Move up and down unit (79), it moves up and down above-mentioned cloth holding member, so that nail catcher is made and when cutting off suture, this cloth holding member is positioned at above-mentioned down position, when circumferential weld is made, is positioned at above-mentioned lifting position carrying out; And control module, it controls above-mentioned unit, above-mentioned rotating unit and the above-mentioned opening/closing unit of moving up and down, so that when nail catcher is made, the above-mentioned button of above-mentioned button clamping part clamping, make above-mentioned button be in above-mentioned level simultaneously, when circumferential weld is made, the above-mentioned button of above-mentioned button clamping part clamping, make above-mentioned button be in above-mentioned plumbness simultaneously, after the circumferential weld sewing finishing, make above-mentioned cloth holding member be positioned at down position, on one side above-mentioned button clamping part makes above-mentioned button towards level simultaneously, Yi Bian decontrol above-mentioned button.
According to ring sewing machine for sewing button involved in the present invention, owing to after the circumferential weld sewing finishing, the button clamping part is decontroled, turn to level simultaneously, so the button of being made utilizes the button clamping part to become level and begin.Thus and since button from the button retained part from the time, button is in the approximate horizontal state, thereby the root line is positioned at the button downside, so, when button falls on needle plate, button is held in mode between button downside and the needle plate with the root wire clamp, becomes the approximate horizontal state.Therefore, can prevent reliably that button from embedding in the pin hole.In addition, owing to the stitch points with cloth and root line is that tongue-like part is that the center is rotated button upward, be clamped between cloth maintaining body and the needle plate so can prevent button.
The effect of invention
As noted above, according to ring sewing machine for sewing button involved in the present invention, before can preventing after the circumferential weld sewing finishing, to carry out tangent line, button embeds pin hole, simultaneously can prevent to be clamped between tongue-like part retainer and the needle plate reliably, so can prevent the button damage, prevent from simultaneously to be clamped between cloth maintaining body and the needle plate to the button that falls on the needle plate.Thus, owing to can not leave with the suture route that the needle plate below links to each other from assigned position from button, so in having the Sewing machines of tangent mechanism, can be after can utilizing tangent mechanism to catch suture reliably, utilize the cut-out sword clamping of two cutting knifes and cut off suture reliably, the cut-out that prevents to produce suture is bad.
Description of drawings
Fig. 1 is the summary construction diagram of an embodiment of expression ring sewing machine for sewing button involved in the present invention.
Fig. 2 is the oblique view of the ring sewing machine for sewing button of presentation graphs 1.
Fig. 3 is the side view of button clamping device of the ring sewing machine for sewing button of presentation graphs 2.
Fig. 4 is the upward view of the button clamping device of presentation graphs 3.
Fig. 5 (a) is the approximate vertical view of button on-off action of the button clamping device of presentation graphs 3, (b) is the summary upward view of button on-off action of the button clamping device of presentation graphs 3.
Fig. 6 is the vertical view of tangent mechanism of the ring sewing machine for sewing button of presentation graphs 2.
Fig. 7 is the vertical view of the state of two cutting knifes engagements in the tangent mechanism of presentation graphs 6.
Fig. 8 is the oblique view of cloth maintaining body of the ring sewing machine for sewing button of presentation graphs 2.
Fig. 9 (a) is the side view of the situation about rising of the tongue-like part in the cloth maintaining body of presentation graphs 8, (b) is the side view of the situation about descending of the tongue-like part in the cloth maintaining body of presentation graphs 8.
Figure 10 is the key diagram of the action of the button in the ring sewing machine for sewing button of presentation graphs 1.
Figure 11 is the flow chart of the action undertaken by ring sewing machine for sewing button involved in the present invention of expression.
Figure 12 (a) is the key diagram of action of the button in the example of the existing ring sewing machine for sewing button of expression, (b) is the key diagram of the action of the button in other examples of the existing ring sewing machine for sewing button of expression.
The specific embodiment
Below, an embodiment of ring sewing machine for sewing button involved in the present invention is described referring to figs. 1 through Figure 11.
As shown in Figure 1, ring sewing machine for sewing button 1 has needle bar mechanism 5, and this needle bar mechanism 5 has the needle bar 3 that keeps suture needle 2.
In addition, ring sewing machine for sewing button 1 has button clamping device 16, and it keeps button 13 on the mobile alignment of suture needle 2, make it become specified states.
Extremely shown in Figure 4 as Fig. 2, this button clamping device 16 has the matrix 17 that is configured in framework 9 inside, matrix 17 forms, and is the center with the 1st turning cylinder 19 along the left and right directions configuration, supports the rear end part that leading section keeps the 1st connecting rod body 18 of button 13 free to rotately.In addition, the 1st connecting rod body 18 be supported on part on the matrix 17, freely move back and forth along fore-and-aft direction with the pin swaying direction quadrature of needle bar 3.In addition, matrix 17 is the center with the 2nd turning cylinder 21 along the left and right directions configuration, support an end of the 2nd connecting rod body 20 free to rotately, the other end of the 2nd connecting rod body 20, at the pars intermedia of the 1st connecting rod body 18, be that the center is supported free to rotately with the 3rd turning cylinder 22 along the left and right directions configuration.
In addition, this button clamping device 16 has button clamping part switching mechanism, it makes relative configuration and a pair of button clamping part 25 of clamping button 13, moves to the ejected position of the clip position and the relieving button 13 of clamping button 13, and button clamping part switching mechanism is installed on the 1st connecting rod body 18.
The 1st connecting rod body 18 has a pair of button clamping limb 26, and it installs the downside of 25, two button clamping limbs 26 of button clamping part at the flat main board 27 of the 1st connecting rod body 18 respectively at leading section, configuration abreast on left and right directions.Two button clamping limbs 26 utilize respectively on fore-and-aft direction and a pair of coil spring 28 of row arrangement, and approaching towards each other all the time direction pretension on the leading section of two button clamping limbs 26, is installed above-mentioned button clamping part 25 respectively.Thus, on button clamping part 25, the direction to clamping button 13 applies power all the time.
Shown in Fig. 5 (a) and (b), on the both side edges part of the fore-end in main board 27, be formed on a pair of front side 29a of slotted hole portion laterally long on the left and right directions, on the both side edges part of the rearward end of main board 27, form a pair of rear side slotted hole 29b of portion laterally long on left and right directions with two front side 29a of slotted hole portion and row arrangement ground.In addition, two button clamping limbs 26 use the pin 31 that inserts along each 29a of slotted hole portion, 29b respectively with can move freely, are installed on the main board 27.
The 1st connecting rod body 18 has moving body 32, and it can free reciprocatingly be supported on the downside of main board 27 along fore-and-aft direction between two button clamping limbs 26.Fore-end in the both sides of moving body 32, respectively via front side connecting rod body 33a and adjacent button clamping limb 26 bindings, the rear end part of moving body 32 both sides is respectively via rear side connecting rod body 33b and adjacent button clamping limb 26 bindings.Two front side connecting rod body 33a and two rear side connecting rod body 33b configurations abreast respectively form equal length respectively, and their each both ends link with both side edges part and two button clamping limbs 26 of moving body 32 free to rotately.In addition, moving body 32 opens and closes cylinder (opening/closing unit) 36 with arm and is connected, and imports the locomotivity of direction forwards, backwards, and it is reciprocating motion type that this arm opens and closes cylinder 36, can switch the elongation of output shaft 36a on one's own initiative and shrink the two.
According to said structure, in this button clamping part switching mechanism, if from the state shown in Fig. 5 (a) and (b), utilizing arm to open and close cylinder 36 shrinks output shaft 36a, make moving body 32 rearward (arrow R direction) move, two button clamping limbs 26 moving of direction forwards, backwards then by each 29a of slotted hole portion, 29b restriction, so two button clamping limbs 26 are via two front side connecting rod body 33a and two rear side connecting rod body 33b, along each 29a of slotted hole portion, 29b to the left and right the direction of leaving mutually of direction move.In addition, make output shaft 36a elongation if utilize arm to open and close cylinder 36, then moving body 32 forwards moves, and two button clamping limbs 26 move to mutual approaching direction along each 29a of slotted hole portion, 29b via two front side connecting rod body 33a and two rear side connecting rod body 33b.Thus, button clamping part switching mechanism stretches point-blank by the output shaft 36a that makes arm open and close cylinder 36, moving body 32 is moved up in front and back, thereby make two button clamping limbs 26 can be free approaching/move with leaving, thus, button clamping part 25 is moved between clip position and ejected position, utilize 25 clampings of button clamping part and decontrol button 13.
In addition, this button clamping device 16 also has the button rotating mechanism, and it makes the button 13 that is held utilize button clamping part 25, with respect to the needle plate 51 that is configured in pedestal part 10 upper surfaces, rotates and is level and plumbness.
This button rotating mechanism is installed on two button clamping limbs 26, on the pars intermedia of two button clamping limbs 26, end with input connecting rod 37 links free to rotately respectively, and in addition, the turning cylinder 38 of button clamping part 25 links with an end of output connecting rod 39.On the pars intermedia of two input connecting rods 37, form the slotted hole 40 of horizontal length respectively along the length direction of input connecting rod 37, in two slotted holes 40, insert turning cylinder 41 respectively.On the other end of two input connecting rods 37, link an end of kinematic link 35 respectively free to rotately, the other end of kinematic link 35 links with two the other end of exporting connecting rods 39 respectively free to rotately.These two input connecting rods 37, two output connecting rods 39 and two kinematic links 35 all make turning cylinder 35a, the 35b at its both ends dispose along left and right directions, thus, constitute linkage.
In addition, the button rotating mechanism has: button rotation pressure cylinder (rotating unit) 42, and it applies rotatory force to two input connecting rods 37; And rotate with retainer 43, its button 13 from level when plumbness is rotated, restriction surpasses the rotations of two output connecting rods 39 of plumbness.
Button rotation pressure cylinder 42, the leading section of its output shaft 42a is respectively via the turning cylinder 41 in the slotted hole 40 that inserts input connecting rod 37, link with input connecting rod 37, output shaft 42a by making button rotation pressure cylinder 42 is flexible point-blank, and the part that two input connecting rods 37 are linked with itself and two button clamping limbs 26 is the center rotation.And, if two input connecting rods 37 rotate, then the part that two output connecting rods 39 is linked via two kinematic links 35 with itself and turning cylinder 38 is the center rotation, rotation by two output connecting rods 39, button clamping part 25 rotates, so that become level or plumbness by the button 13 of button clamping part 25 clampings.Here, button rotation pressure cylinder 42 is a reciprocating motion type, can switch the elongation of output shaft 42a on one's own initiative and shrink the two.Therefore, if the output shaft 42a of button rotation pressure cylinder 42 is shunk, then two output connecting rods 39 to direction rotate and with two rotations with retainer 43 butts and stop, if make the output shaft 42a elongation of two button rotation pressure cylinders 42 under this state, then two output connecting rods 39 stop at the end of travel of two button rotation pressure cylinders 42 to counter-rotation.
In addition, this button clamping device 16 has: move forward and backward mechanism, it utilizes button to move forward and backward motor 45 matrix 17 is moved up in front and back; Left/right movement device, it utilizes button move left and right motor 47 that the 1st connecting rod body 18 is moved up at right and left; And reciprocating mechanism, it utilizes button to move up and down motor 49 leading section of the 1st connecting rod body 18 is moved up at upper and lower.Thus, button clamping device 16 on the mobile alignment of suture needle 2, remains on specified states with button 13.
On the needle plate 51 of the upper surface that is disposed at pedestal part 10, form along the pin hole 52 of the horizontal length of the pin swaying direction of needle bar 3, in addition, have the tangent mechanism 53 that is used to cut off suture 11 in the inside of pedestal part 10 as Figure 6 and Figure 7.
This tangent mechanism 53 has a pair of cutting knife 56,57 that can rotate in linkage, by the cut-out sword 56a that utilizes two cutting knifes 56,57, the suture 11 that the 57a clamping is extended to the below of needle plate 51 via the pin hole 52 of needle plate 51, cuts off suture 11.
The 1st cutting knife 56 in two cutting knifes 56,57 forms roughly T word shape, forms the cut-out sword 56a of linearity on the 1st end in the 1st cutting knife 56.The 2nd end and needle plate 51 in the 1st cutting knife 56 link free to rotately, and the 1st cutting knife 56 becomes fixed pivot with the turning cylinder 59 of needle plate 51.In addition, an end of the 3rd end of the 1st cutting knife 56 and the 1st connecting rod body 60 links free to rotately, and the roughly mid portion of the other end of the 1st connecting rod body 60 and the 2nd connecting rod body 61 links free to rotately.One end parts of the 2nd connecting rod body 61 links with cut-out cylinder 62 via slotted hole 61a, and the 2nd connecting rod body 61 is that freely rotate at the center by cutting off the driving of cylinder 62 with the other end 61b.In addition, an end 61c of the 2nd connecting rod body 61 and an end of the 3rd connecting rod body 63 link free to rotately, and the 1st bight in the 2nd cutting knife 57 of the other end of the 3rd connecting rod body 63 and general triangular shape links free to rotately.The 2nd bight 57c and the needle plate 51 of the 2nd cutting knife 57 link free to rotately, and the turning cylinder 65 between the 2nd cutting knife 57 and the needle plate 51 becomes fixed pivot, and on the 3rd bight of the 2nd cutting knife 57, forniciform cut-out sword 57a forms breach.Thus, in this tangent mechanism 53, as shown in Figure 7, by cutting off the driving of cylinder 62, via each connecting rod body 60,61,63 and needle plate 51, the 1 cutting knifes 56 to a direction, the 2nd cutting knife 57 rotates respectively in linkage to another direction, thus, below the pin hole 52 or near, two of two cutting knifes 56,57 cut off sword 56a, 57a clamping suture 11 and mesh.In addition, fixed head 58 is two cutting knifes of clamping 56,57 between itself and needle plate 51, prevent that two cutting knifes 56,57 are offset on above-below direction.
In addition, shown in Fig. 8 and Fig. 9 (a) and (b), this ring sewing machine for sewing button 1 has cloth maintaining body 67, it has the tongue-like part 66 as the cloth holding member, this tongue-like part 66 is with near cloth 12 folding and maintenance suture needle 2, this cloth maintaining body 67 is supported on and can utilizes feed motor 97 (with reference to Fig. 1) before and after the cloth and on direction moves forwards, backwards the front and back feeding platform 98, be installed on the pedestal part 10.
Be configured in a pair of tongue-like part base station 68 of the both sides of pedestal part 10, base end part at front and back feeding platform 98, the rotatable earth's axis is supported on along on the back shaft 99 of left and right directions configuration, the leading section 68b that has horizontal part 68a simultaneously and extend downwards from the front end of horizontal part 68a.In the gap of the end portion in the leading section 68b of two tongue-like part base stations 68, configuration tongue-like part back shaft 69, tongue-like part back shaft 69 inserts rotationally and is installed on the leading section 68b.On tongue-like part back shaft 69, fix circular-arc tongue-like part support arm 70, tighten tongue-like part 66 at the leading section of tongue-like part support arm 70.Tongue-like part 66 disposes near the mode that its leading section is positioned at suture needle 2, is the center with the fastening part of tongue-like part support arm 70 and tongue-like part back shaft 69, rotates around tongue-like part back shaft 69.
Configuration tongue-like part retainer 71 on tongue-like part retainer 71, forms protuberance 71a upward projectedly above near the needle plate 51, the leading section of its butt tongue-like part 66 and limit the turned position of tongue-like part retainer 71 on fore-and-aft direction.Two end portions on the lower surface of tongue-like part retainer 71 is fastened on respectively on the fixed station 72, and two fixed stations 72 are fastened on the inner surface among the leading section 68b of two tongue-like part base stations 68.
In addition, cloth maintaining body 67 has tongue-like part rotating mechanism 73, its be used to make tongue-like part 66 with suture needle 2 approaching/rotate on the fore-and-aft direction that leaves, the output shaft 75a of the tongue-like part rotation cylinder 75 in the tongue-like part rotating mechanism 73 links with an end of the 1st connecting rod body 77.The other end of the 1st connecting rod body 77 links at connection shaft 76 places with an end of the 2nd connecting rod body 78 free to rotately, and an end of the 2nd connecting rod body 78 is fixed on the connection shaft 76, and the other end of the 2nd connecting rod body 78 is fixed and is attached on the tongue-like part back shaft 69.In addition, tongue-like part rotating mechanism 73, flexible point-blank by the output shaft 75a that makes tongue-like part rotation cylinder 75, is the center via two connecting rod bodies 77,78 with tongue-like part back shaft 69, tongue-like part support arm 70 is rotated around tongue-like part back shaft 69, thereby tongue-like part 66 is rotated on fore-and-aft direction.
In addition, ring sewing machine for sewing button 1 has tongue-like part reciprocating mechanism (cloth maintenance reciprocating mechanism) 83, it moves up and down tongue-like part 66, so that remain on cloth 12 on the leading section of tongue-like part 66 when nail catcher is made and cut off suture 11, be positioned near the down position in needle plate 51 tops, when circumferential weld is made, be positioned at the lifting position of more leaning on the top than down position.
This tongue-like part reciprocating mechanism 83 is as Fig. 9 (a) and (b), have: a pair of base station support arm 81, it has the support portion 81a and from support portion 81a and the arm 81b that extends towards the leading section 68b of tongue-like part base station 68 near the both sides face of feeding platform 98 before and after be fastened on the back shaft 99 respectively downwards; And tongue-like part moves up and down pressure cylinder (moving up and down the unit) 79, and it is configured in the gap of each arm 81b of two base station support arms 81.In addition, below as the back shaft 99 of the center of rotation of tongue-like part base station 68, be supported on the pressure cylinder back shaft 100 on each tongue-like part base station 68 along left and right directions configuration two ends, the earth's axis free to rotate supports the base end part that tongue-like part moves up and down pressure cylinder 79 on this cylinder supports axle 100.In addition, tongue-like part moves up and down the output shaft 79a of pressure cylinder 79, between the arm 81b of each base station support arm 81, is attached at rotationally along on the connection shaft 80 of left and right directions configuration.Main points are that tongue-like part moves up and down pressure cylinder 79, be erected at be configured in respectively between each tongue-like part base station 68 and each base station support arm 81 between cylinder supports axle 100 and the state between the connection shaft 80, support by two axles 100,80.
Thus, this tongue-like part reciprocating mechanism 83 moves up and down the output shaft 79a elongation of pressure cylinder 79 by making tongue-like part shown in Fig. 9 (a), be that the center makes tongue-like part base station 68 rotate along arrow T1 direction with back shaft 99.By the rotation of this tongue-like part base station 68, make via tongue-like part support arm 70 and tongue-like part back shaft 69 and be fixed on tongue-like part 66 on the tongue-like part base station 68 and the tongue-like part retainer 71 that is fixed on the tongue-like part base station 68 via fixed station 72 descends integratedly.In addition, tongue-like part reciprocating mechanism 83 shrinks by the output shaft 79a that makes tongue-like part move up and down pressure cylinder 79 shown in Fig. 9 (b), is that the center makes tongue-like part base station 68 rotate to arrow T2 direction with back shaft 99, accompany with it, tongue-like part 66 and tongue-like part retainer 71 are risen integratedly.
In addition, ring sewing machine for sewing button 1 has cloth and moves forward and backward mechanism, and it utilizes before and after feed motor 97 makes before and after the cloth feeding platform 98 to move up in front and back.This cloth moves forward and backward mechanism, can make the cloth 12 that is kept by above-mentioned tongue-like part 66, and the button 13 that moves forward and backward with utilizing button to move forward and backward mechanism moves forward and backward independently.In addition, because the pin that falls about utilizing above-mentioned needle bar mechanism 5 with respect to cloth 12, so its result, cloth 12 moves forward and backward mechanism by needle bar mechanism 5 and cloth, moves up and down position feeding relatively on front and back and left and right directions with respect to suture needle 2.
In addition, as shown in Figure 1, ring sewing machine for sewing button 1 has the driving control unit 91 of the action of each mechanism that controls this ring sewing machine for sewing button 1, and this driving control unit 91 has arithmetic processing apparatus as basic structure, and this arithmetic processing apparatus has CPU 92 and memory 93.
By making this driving control unit 91 move up and down motor 6 and needle bar wobbling motor 8 is connected with needle bar, drive needle bar and move up and down motor 6 and needle bar wobbling motor 8, thereby control needle bar mechanism 5, so that when nail catcher is made, make needle bar 3 and move up and down with respect to the button 13 that remains level, carrying out circumferential weld when making, make needle bar 3 with respect to be arranged on button 13 and cloth 12 between the root line move up and down and the pin swing.
In addition, driving control unit 91 is connected with electromagnetic valve 42e with button rotation pressure cylinder, drive button rotation pressure cylinder 42 via this button rotation pressure cylinder with electromagnetic valve 42e, thereby the button rotating mechanism of control button clamping device 16, so that when nail catcher is made, make button 13 be in level, when making, circumferential weld make button 13 be in plumbness.In addition, driving control unit 91 opens and closes cylinder with arm and is connected with electromagnetic valve 36e, open and close cylinder via this arm and open and close cylinder 36 with electromagnetic valve 36e actuating arm, thereby the button switching mechanism of control button clamping device 16, so that when nail catcher is made beginning, keep button 13, when the circumferential weld sewing finishing, decontrol button 13 by button clamping part 25 by button clamping part 25.
In addition, driving control unit 91 is connected with electromagnetic valve 62e with the cut-out cylinder, cuts off cylinder via this and drives cut-out cylinder 62 with electromagnetic valve 62e, thereby control tangent mechanism 53, so that when the circumferential weld sewing finishing, utilize 56,57 clampings of two cutting knifes and cut-out to carry out the suture 11 that circumferential weld is made.
In addition, driving control unit 91 moves up and down pressure cylinder with tongue-like part and is connected with electromagnetic valve 79e, move up and down pressure cylinder via this tongue-like part and move up and down pressure cylinder 79 with electromagnetic valve 79e driving tongue-like part, thereby control tongue-like part reciprocating mechanism 83, so that make and during tangent line at nail catcher, make the tongue-like part 66 of cloth maintaining body 67 be positioned at down position, when circumferential weld is made, make tongue-like part 66 be positioned at lifting position.
In addition, driving control unit 91 control button rotating mechanism 16b and button clamping part switching mechanism 16a, so that the button clamping part 25 after the circumferential weld sewing finishing is when ejected position moves, button clamping part 25 applies from the rotatory force of plumbness to level to button 13 on one side, Yi Bian decontrol button 13.When controlling button rotating mechanism 16b and button clamping part switching mechanism 16a as mentioned above, driving control unit 91 control reciprocating mechanism 16e when making cloth 12 be positioned at down position, descend tongue-like part 66 and tongue-like part retainer 71.Thus, as shown in figure 10, button 13 rotates to the direction of level from plumbness on one side, to needle plate 51 on fall on one side, tongue-like part 66 and tongue-like part retainer 71 descend simultaneously.
In addition, driving control unit 91 with make in the various indications of input input unit 95, be used to indicate the operating pedal 96 of making beginning, and other each drive division etc. of ring sewing machine for sewing button 1 be connected.
The following describes the effect of present embodiment.
As shown in figure 11, at first, be in the mode of level with button 13, button 13 is placed on back (ST1) between the button clamping part 25, leading section at tongue-like part 66, place cloth 12 in folding mode, be positioned at the sewing position that carries out nail catcher and make, be positioned at the mode of down position simultaneously, make tongue-like part 66 move (ST2) with the leading section of tongue-like part 66.
Then, driving control unit 91 is after button 13 is placed, connect (being "Yes") if judge the operating pedal 96 of the each several part that is used for driving ring sewing machine for sewing button 1 at ST3, then drive tongue-like part rotating mechanism 73, make the front end maintenance of tongue-like part 66 and the state of tongue-like part retainer 71 butts, drive needle bar mechanism 5 on one side simultaneously and suture needle 2 is moved up and down via needle bar 3, utilize on one side with the co-operating of looper device with regulation pin number and carry out that suture 11 does not run through cloth 12 and the stowing of inside by cloth 12, thus, ring sewing machine for sewing button 1 is provided with the root line of specific length between the hole of button 13 and cloth 12, carry out the nail catcher that button 13 is made on cloth 12 is made (ST4).Here, the ring sewing machine for sewing button 1 that present embodiment is related, by driving button clamping devices 16 by driving control unit 91 so that every regulation pin number with button 13 forwards, backwards left and right directions move, make thereby can carry out the nail catcher identical with sewing position in the cloth 12.
Then, if driving control unit 91 is judged needle bars 3 and has been carried out the moving up and down of regulation pin number (in ST5 for " be); then stop to drive move up and down (ST6) of needle bar 3 in the needle bar mechanism 5; drive button rotating mechanism 16b and utilize button clamping part 25 to make button 13 rotate 90 degree; remain plumbness (ST7); by driving reciprocating mechanism 16e tongue-like part 66 is risen simultaneously, thereby make cloth 12 move to lifting position (ST8).
Under this state, driving control unit 91 drives needle bar mechanisms 5 and suture needle 2 is moved up and down and the pin swing via needle bar 3, thereby utilizes the co-operating with the looper device, makes (ST9) with regulation pin number carry out reeling around the root line circumferential weld of suture 11.
Then, if driving control unit 91 is judged needle bar 3 and has been carried out moving up and down of regulation pin number and pin swing (being "Yes" in ST10), then control the button rotation cylinder and drive button rotating mechanism 16b with electromagnetic valve 42e, make button clamping part 25 from keep the position of button 13 with plumbness, rotate to the position that keeps with level, control arm opens and closes cylinder electromagnetic valve 36e simultaneously, drives button clamping part switching mechanism 16a, makes button clamping part 25 move to ejected position.As mentioned above, the button clamping part 25 of driving control unit 91 after the circumferential weld sewing finishing is when ejected position moves, control button rotating mechanism 16b and button clamping part switching mechanism 16a, so that button clamping part 25 applies from the rotatory force of plumbness to horizontal direction to button 13 on one side, Yi Bian decontrol button 13.Meanwhile, drive reciprocating mechanism 16e, tongue-like part 66 is descended so that cloth 12 is positioned at down position (ST11).Thus, button 13 rotates to the direction of level from plumbness on one side, to needle plate 51 on fall on one side, tongue-like part 66 and tongue-like part retainer 71 descend simultaneously, so that cloth 12 is positioned at down position.
Then, driving control unit 91 is after judging that cloth 12 moves to down position, drive tangent mechanism 53, utilize 56,57 clampings of two cutting knifes, utilize cut-out sword 56a, the 57a of two cutting knifes 56,57 to cut off (ST12) via the suture 11 that pin hole 52 extends to the below of needle plate 51.
As mentioned above, according to present embodiment, after the circumferential weld sewing finishing, cloth 12 is when down position moves, utilize button clamping part 25 that button 13 is rotated to the direction of level that makes root line 15 be positioned at the below of button 13 from plumbness on one side, begin to fall on one side, tongue-like part 66 and tongue-like part retainer 71 descend simultaneously.Therefore, can prevent that button 13 from embedding in the pin hole 52.In addition, because when decontroling button 13 by button clamping part 25, tongue-like part 66 and tongue-like part retainer 71 are descended, so button 13 is when arriving needle plate 51, become the state that the root line 15 that is connected with cloth 12 from button 13 is positioned at the below of button 13, button 13 is not in the state vertical with respect to the upper surface of needle bar 51.Therefore, can prevent that button 13 is clamped between tongue-like part retainer 71 and the needle plate 51.
Thus, owing to before after the circumferential weld sewing finishing, carrying out tangent line, can prevent that button 13 from embedding pin hole 52, can prevent from reliably to be clamped between tongue-like part retainer 71 and the needle plate 51 simultaneously, so can prevent button 13 damages.In addition, owing to can prevent to be used for the off-position skew of suture 11 that circumferential weld makes from tangent mechanism 53, so can utilize cut-out sword 56a, the 57a of two cutting knifes 56,57, clamping and cut off suture 11 reliably, the cut-out that can prevent to produce suture 11 is bad.
In addition, the present invention is not limited to above-mentioned embodiment, can carry out various changes as required.
Claims (1)
1. ring sewing machine for sewing button is characterized in that having:
Suture needle, it moves up and down;
Needle plate, it has the suture needle of making and runs through wherein pin hole;
The button clamping part, it can clamping or decontrols button, can be level and plumbness with respect to above-mentioned needle plate displacement with the above-mentioned button that is held simultaneously;
Opening/closing unit, it makes above-mentioned button clamping part carry out on-off action, with clamping or decontrol aforementioned button;
Rotating unit, it rotates above-mentioned button clamping part, so that aforementioned button is positioned at level or plumbness;
The cloth holding member, it is folding and keep cloth, can near the down position of needle plate and and needle plate above move up and down between the lifting position of isolating;
Move up and down the unit, it moves up and down above-mentioned cloth holding member, so that nail catcher is made and when cutting off suture, this cloth holding member is positioned at above-mentioned down position, when circumferential weld is made, is positioned at above-mentioned lifting position carrying out; And
Control module, it controls above-mentioned unit, above-mentioned rotating unit and the above-mentioned opening/closing unit of moving up and down, so that when nail catcher is made, the above-mentioned button of above-mentioned button clamping part clamping, make above-mentioned button be in above-mentioned level simultaneously, when circumferential weld is made, the above-mentioned button of above-mentioned button clamping part clamping, make above-mentioned button be in above-mentioned plumbness simultaneously, after the circumferential weld sewing finishing, make above-mentioned cloth holding member be positioned at down position, on one side above-mentioned button clamping part makes above-mentioned button towards level simultaneously, Yi Bian decontrol above-mentioned button.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-088106 | 2007-03-29 | ||
| JP2007088106A JP5074071B2 (en) | 2007-03-29 | 2007-03-29 | Sewing machine with button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101275339A true CN101275339A (en) | 2008-10-01 |
| CN101275339B CN101275339B (en) | 2013-03-06 |
Family
ID=39971414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810090610 Active CN101275339B (en) | 2007-03-29 | 2008-03-31 | Ring sewing machine for sewing button |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5074071B2 (en) |
| CN (1) | CN101275339B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877219A (en) * | 2011-07-15 | 2013-01-16 | Juki株式会社 | Sewing machine with circular seam |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3836393B2 (en) * | 2002-05-13 | 2006-10-25 | Ｊｕｋｉ株式会社 | Sewing machine with buttons |
| JP3969574B2 (en) * | 2002-05-14 | 2007-09-05 | Ｊｕｋｉ株式会社 | sewing machine |
| JP4213510B2 (en) * | 2003-05-02 | 2009-01-21 | Ｊｕｋｉ株式会社 | Sewing machine with button |
-
2007
- 2007-03-29 JP JP2007088106A patent/JP5074071B2/en active Active
-
2008
- 2008-03-31 CN CN 200810090610 patent/CN101275339B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877219A (en) * | 2011-07-15 | 2013-01-16 | Juki株式会社 | Sewing machine with circular seam |
| CN102877219B (en) * | 2011-07-15 | 2017-04-12 | Juki株式会社 | Sewing machine with circular seam |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5074071B2 (en) | 2012-11-14 |
| JP2008245736A (en) | 2008-10-16 |
| CN101275339B (en) | 2013-03-06 |
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