CN202595457U - Cloth feeding device of sewing machine - Google Patents
Cloth feeding device of sewing machine Download PDFInfo
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- CN202595457U CN202595457U CN 201220172272 CN201220172272U CN202595457U CN 202595457 U CN202595457 U CN 202595457U CN 201220172272 CN201220172272 CN 201220172272 CN 201220172272 U CN201220172272 U CN 201220172272U CN 202595457 U CN202595457 U CN 202595457U
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Abstract
The utility model discloses a cloth feeding device of a sewing machine. According to the cloth feeding device of the sewing machine, an X-directional driven bracket (50) is in a shape with a 'U'-shaped section. The upper part (50a) of the X-directional driven bracket (50) is arranged on X-axis fixed tracks (21 and 22), and the lower part (50c) of the X-directional driven bracket (50) is arranged on a Y-axis auxiliary track (44). Therefore, rotating shift of the X-directional driven bracket (50) can be inhibited, and downward bending of the ends of the X-axis fixed tracks (55 and 56) can be inhibited, or a situation that a torque is applied to the auxiliary track (44) is inhibited.
Description
Technical field
The utility model relates to a kind of cloth-feeding device of Sewing machines.The structure that relates in particular to a kind of cloth holding member edge that is used to make the cloth that keeps making object Y direction parallel and move with the directions X of this Y direction quadrature with lower shaft.
Background technology
In can carrying out the Sewing machines that decorative pattern is sewed up or pattern is sewed up, in the support portion of Sewing machines, cloth-feeding device is being set.Cloth-feeding device keeps the lower plate and the compress frame of cloth to move along directions X and Y direction through making, thereby the cloth of making object is moved along directions X and Y direction.Here, the Y direction is the direction parallel with the lower shaft of Sewing machines, and directions X is the direction with Y direction quadrature.
In patent documentation 1 or the patent documentation 2 etc. this cloth-feeding device is disclosed for example.
In this cloth-feeding device, in the support portion of Sewing machines, be provided with: 1 pair of Y axle trapped orbit that the edge Y direction parallel with lower shaft extended; And 1 pair of X axle trapped orbit extending of the directions X of edge and Y direction quadrature.At the upper surface of Y axle trapped orbit, configuration can be along the moving member of the y-axis shift that the Y direction moves by the supporting of Y axle trapped orbit.X axle trapped orbit fixed configurations is on the moving member of y-axis shift, and X axle trapped orbit can move along the Y direction with the moving member of y-axis shift thus.At the upper surface of X axle trapped orbit, configuration is by X axle trapped orbit supporting and the X axle mobile member that can move along directions X.On X axle mobile member, linking has lower plate and the compress frame that keeps cloth.
When beginning to make, the moving member of y-axis shift moves along the Y direction through the driving of Y CD-ROM drive motor, and X axle mobile member moves along directions X through the driving of X CD-ROM drive motor.Its result, linking has the X axle mobile member of lower plate and compress frame to move along directions X and Y direction.Thus, the cloth by lower plate and the clamping of compress frame moves at directions X and Y direction.Thereby on cloth, form needle tracking with the mobile corresponding pattern of cloth.
The structure of the rail portion of expression cloth-feeding device in the past among Fig. 1.
In the support portion of Sewing machines, be provided with: 1 pair of Y axle trapped orbit 11,12 that the edge Y direction parallel with lower shaft extended; And 1 pair of X axle trapped orbit 21,22 extending of the directions X of edge and Y direction quadrature.Upper surface configuration at Y axle trapped orbit 11,12 can be along the moving member 13,14 of the y-axis shift that the Y direction moves by 11,12 supportings of Y axle trapped orbit.X axle trapped orbit 21,22 is fixed on the moving member 13,14 of y-axis shift.The X axle mobile member 23 that can move along directions X by 21,22 supportings of X axle trapped orbit in the configuration of the upper surface of X axle trapped orbit 21,22.On X axle mobile member 23, linking has lower plate (not shown) and the compress frame (not shown) that keeps cloth.
And then, at the two ends of X axle trapped orbit 21,22 directions X driven bracket 30 and the driven carriage 40 of directions X are installed.The driven carriage 40 of directions X driven bracket 30 and directions X becomes one with X axle trapped orbit 21,22 and moves along the Y direction.On the sprocket wheel 31,41 in being arranged on the driven carriage 40 of directions X driven bracket 30 and directions X, suspension has directions X rotating band (not shown).Directions X driven bracket 30 moves freely in the Y direction through splined shaft (spline shaft) 32 and is supported.In addition, linking at an end of splined shaft 32 has directions X CD-ROM drive motor (not shown), and thus, the revolving force of directions X CD-ROM drive motor is delivered to directions X rotating band (not shown) via splined shaft 32 and sprocket wheel 31, the directions X rotating band with along directions X around mode move.Its result, the X axle mobile member that links with the directions X rotating band 23 moves along directions X.
In addition, though not expression among Fig. 1 is provided with Y direction rotating band abreast with Y axle trapped orbit 11,12, on this Y direction rotating band, linking has y-axis shift to move member 13,14.Thus, drive the moving member 13,14 of y-axis shift through the Y direction rotating band along the Y direction.
The driven carriage 40 of directions X is fixed on the X axle trapped orbit 21,22 across distance piece 43.In addition, the driven carriage 40 of directions X is installed in Y axle Auxiliary Track 44 via auxiliary bracket 45 with the mode that moves along the Y direction freely.Here, Y axle Auxiliary Track 44 is fixed on sewing machine frame abreast with Y axle trapped orbit 11,12.Auxiliary bracket 45 is that the cross section is the member of " L " font, is installed in Y axle Auxiliary Track 44 with the mode that moves along the Y direction freely.
Here, the driven carriage 40 of directions X constitutes the position that can adjust on the directions X, can adjust the tension force of directions X rotating band (not shown).Below, this structure is described.
Shown in the sectional view of Fig. 2 A, directions X driven bracket 40 comprises the carriage matrix 40a of " L " font and rotates the sprocket bearing parts 40b of supporting wheel 41 freely.Carriage matrix 40a is fixed on the X axle trapped orbit 21,22 through screw 42 (Fig. 1) across distance piece 43.In addition, on carriage matrix 40a, be formed with confession adjustment screw 46 and insert logical inserting holes 48.Be formed with the screw hole 49 that supplies adjustment screw 46 to screw at sprocket bearing parts 40b.Thus, according to the screw-in amount of adjustment screw 46 with screw hole 49, with sprocket bearing parts 40b pull to Fig. 2 A right-hand to and can adjust the tension force of directions X rotating band (not shown).
Here, installation and the adjustment to the driven carriage 40 of directions X describes.
At first, the driven carriage 40 of directions X is fixed on the lower face side of X axle trapped orbit 21,22 across distance piece 43.Next, adjustment screw 46 is passed the inserting hole 48 of carriage matrix 40a,, adjust the position on the directions X of sprocket bearing parts 40b through adjusting the screw-in amount of this adjustment screw 46 and the screw hole 49 of sprocket bearing parts 40b.That is to say the tension force of adjustment directions X rotating band (not shown).After the tension force of adjustment directions X rotating band (not shown), sprocket bearing parts 40b is fixed to carriage matrix 40a through hold-down screw.Next, through hold-down screw 47 (Fig. 1) the driven carriage 40 of directions X is installed on the auxiliary bracket 45.
Patent documentation 1: (Japan Patent) spy opens flat 8 (1996)-No. 89677 communiques
Patent documentation 2: (Japan Patent) spy opens the 2006-263270 communique
The utility model content
Utility model problem to be solved
Yet; In the cloth-feeding device of above-mentioned Sewing machines; Narrow space configuration X axle trapped orbit 21,22, X axle mobile member 23, Y axle trapped orbit 11,12 and y-axis shift in the Sewing machines support move members such as member 13,14, therefore need make the thinner thickness of each member.Its result, the rigidity of members such as the moving member 13,14 of X axle trapped orbit 21,22, X axle mobile member 23, Y axle trapped orbit 11,12 and y-axis shift becomes less.
Like this, because the rigidity of X axle trapped orbit 21,22 is lower, so when adjusting the tension force of directions X rotating bands through adjustment screw 46, shown in Fig. 2 B, the leading section of possible X axle trapped orbit 21,22 is crooked downwards, driven carriage 40 integral inclinations of directions X.Fig. 2 A is a sectional view of having represented normally to install the state of the driven carriage 40 of directions X, and Fig. 2 B is illustrated under the state of driven carriage 40 inclinations of directions X, and the sectional view of the state of auxiliary brackets 45 is installed with hold-down screw 47.
Under the state shown in Fig. 2 B, owing to be in the state that Auxiliary Track 44 has been applied lateral load and torque, so Auxiliary Track 44 might damage.In addition, auxiliary bracket 45 also might move on Auxiliary Track 44 reposefully.For example; Auxiliary Track 44 and auxiliary bracket 45 are being constituted linear slide guide rail (the Linear Motion Guide) structure (linear drive unit that constitutes by track, block and advance ball; Structure at block installation bracket 45) under the situation; Owing to the advance ball that is arranged on Auxiliary Track 44 applied results from the bigger load of said lateral load and torque, so might promote the wearing and tearing of advance ball, perhaps cause advance ball to come off from Auxiliary Track 44.Especially therefore the Y direction width dimensions (width) of the standing portion of auxiliary bracket 45 becomes the state that produces big internal stress at auxiliary bracket 45 less than the Y direction size (width) of the downward standing portion of carriage matrix 40a.Its result, auxiliary bracket 45 slides on Auxiliary Track 44 with the state of plastic deformation, therefore become and damage Auxiliary Track 44 more easily, or auxiliary bracket 45 is more difficult mobile reposefully on Auxiliary Track 44.
The utility model is considered above content and is accomplished; It is a kind of under the situation of the structure that adopts the tension force of adjusting the directions X rotating band through the position of the driven carriage of adjustment directions X that purpose is to provide, and can prevent to damage the cloth-feeding device of the Sewing machines of the track that the driven carriage of directions X slides.
The technological means of dealing with problems
A form of the cloth-feeding device of the Sewing machines of the utility model is,
Make the cloth holding member edge that the keeps cloth Y direction parallel with lower shaft and move with the directions X of this Y direction quadrature, the cloth-feeding device of said Sewing machines comprises:
A pair of Y axle trapped orbit, it is along said Y direction configuration;
Y-axis shift moves member, and it can be moved along said Y direction by said Y axle trapped orbit supporting;
A pair of X axle trapped orbit, it is fixed on the moving member of said y-axis shift, and along said directions X configuration;
X axle mobile member, it can be moved along said directions X by said X axle trapped orbit supporting;
The driving side sprocket wheel, it is by splined shaft (32) supporting along said Y direction configuration;
The directions X driven bracket, it is installed in an end of said X axle trapped orbit, and supports said driving side sprocket wheel;
The driven carriage of directions X, it is installed in the other end of said X axle trapped orbit, and is supported and on said Y direction, moved freely by the Y axle Auxiliary Track along said Y direction configuration;
The sprocket bearing parts, it is fixed on the driven carriage of said directions X by adjustment in the position on the directions X;
The slave end sprocket wheel, it rotates supporting freely by said sprocket bearing parts; And
The directions X rotating band is hung on said slave end sprocket wheel and the said driving side sprocket wheel,
The driven carriage of said directions X is that the cross section is the member of " U " font, and the top of being somebody's turn to do " U " character form component is fixed on said a pair of X axle trapped orbit, and the bottom of being somebody's turn to do " U " character form component is supported by said Y axle Auxiliary Track.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
The driven carriage of said directions X has the sidepiece that links to each other with said top from the bottom setting of the member of said " U " font.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
The moving-member that can move along the Y direction is installed on said Y axle Auxiliary Track via advance ball, and the driven carriage of said directions X is fixed on said moving-member.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
Width on the said Y direction of said top, bottom and sidepiece forms same width.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
Sidepiece at said " U " character form component is formed with the slotting logical inserting hole of confession adjustment screw,
Be formed with the screw hole that supplies said adjustment screw to screw in the side of the said sprocket bearing parts relative with said inserting hole.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
Be formed with slotted hole in said sprocket bearing upper parts of components, this slotted hole is used for after adjusting the position of said sprocket bearing parts on directions X through said adjustment screw, said sprocket bearing parts being fixed on the driven carriage of said directions X.
In addition, a form of the cloth-feeding device of the Sewing machines of the utility model does,
The driven carriage of said directions X is fixed on said X axle trapped orbit across the different a plurality of distance pieces of thickness.
The effect of utility model
According to the utility model; Because the cross section of the driven carriage of directions X is made as " U " font; So with use independently the situation of carriage matrix and auxiliary bracket and compare; Can suppress the driven carriage turns skew of directions X, therefore can suppress the end bending downwards of X axle trapped orbit or Auxiliary Track is applied lateral load and torque.Thus, the driven carriage of directions X can slide on Auxiliary Track reposefully, suppresses the damage of Auxiliary Track.Its result if use the cloth-feeding device of the utility model, then can realize stable sewing quality, and prevent the appearance of abnormal sound.
Description of drawings
Fig. 1 is the exploded perspective view of structure of representing the rail portion of cloth-feeding device in the past.
Fig. 2 is the figure that is used to explain the problem of cloth-feeding device in the past, and Fig. 2 A is a sectional view of representing normally to install the state of the driven carriage of directions X, and Fig. 2 B is a sectional view of representing to install obliquely the state of the driven carriage of directions X.
Fig. 3 is the figure of the schematic configuration of expression Sewing machines, and it is used to explain how the cloth-feeding device of the utility model is configured in Sewing machines inside.
Fig. 4 is the stereogram of structure of major part of the cloth-feeding device of expression the utility model.
Fig. 5 is the stereogram of major part that decomposes the cloth-feeding device of ground expression the utility model.
Fig. 6 is the sectional view of structure of the driven carriage of directions X of expression the utility model.
The embodiment of utility model
Below, with reference to the embodiment of accompanying drawing detailed description the utility model.
Fig. 3 is the figure of the schematic configuration of the Sewing machines of expression for the cloth-feeding device that the utility model is described how to be configured in Sewing machines inside, and the operator is positioned at the diagram left side usually.Fig. 4 is the stereogram of structure of major part of the cloth-feeding device of expression the utility model.Fig. 5 is the stereogram of major part that decomposes the cloth-feeding device of ground expression the utility model.In addition, also shown in figure,, the direction parallel with lower shaft is made as Y direction (fore-and-aft direction), will be made as directions X (left and right directions) with the direction of Y direction quadrature for making on the mobile horizontal plane of thing (cloth).
At first, the schematic configuration to the Sewing machines of Fig. 3 describes.In addition, the directions X of Fig. 4 and Fig. 5 is the direction with the drawing quadrature of Fig. 3.
As shown in Figure 3, sewing machine main body 100 comprises: Sewing machines support 101, the vertical main part 113 that extends to the top from an end of Sewing machines support, and from the Sewing machines arm 102 of vertical main part 113 to extend with Sewing machines support 101 relative modes.Dispose the motor of sewing machine (not shown) of axle (not shown) in the driving at Sewing machines arm 102.Flywheel 103 is attached to the driving shaft of this motor of sewing machine.In addition, below the front of Sewing machines arm 102, disposing shank 104.Shank 104 is driven through being configured in the needle bar drive device (not shown) in the Sewing machines arm 102 up and down.Be equiped with pin 105 in the bottom of shank 104.And then, in Sewing machines support 101 configuration with on the lower shaft 106 that synchronously is driven in rotation of axle.Upper surface configuration needle plate 107 at Sewing machines support 101.
Configuration cloth-feeding device 200 shown in Figure 4 in Sewing machines support 101.Lower plate 108 is installed and is curved at the upper surface of the X axle mobile member 23 (Fig. 4) that is arranged at cloth-feeding device 200 and outstanding present a theatrical performance as the last item on a programme 109, thus lower plate 108 and present a theatrical performance as the last item on a programme and 109 move along directions X and Y direction together with X axle mobile member 23 (Fig. 4).
109 leading section goes up and down to be equipped with freely compress frame 110 presenting a theatrical performance as the last item on a programme.In addition, presenting a theatrical performance as the last item on a programme 109 inside, rotating and dispose this compress bar 111 freely as fulcrum with the central portion of the compress bar 111 that roughly is " ㄑ " font.One end of compress bar 111 is linking compress frame 110, is linking at the other end to make this compress bar 111 carry out the cylinder 112 of rotation action.
If carry at the upper surface of lower plate 108 and to put the cloth of making object, then through the driving force of cylinder 112, compress frame 110 descends.Its result keeps cloth between lower plate 108 and compress frame 110.That is to say that lower plate 108 constitutes the cloth holding member with compress frame 110.And if motor of sewing machine (not shown) rotation drives, then shank 104 moves up and down.In addition, the rotation of last axle passes to lower shaft 106 via sprocket wheel and band (not shown), makes rotary shuttle mechanism be driven in rotation.Like this, the action of sewing.
In addition, synchronous with this sewing action, cloth-feeding device 200 makes lower plate 108 and compress frame 110 move along directions X and Y direction.And, move with lower shaft 106 parallel Y direction and directions Xs by the cloth edge that lower plate 108 and compress frame 110 (cloth holding member) keep.Like this, can carry out decorative pattern stitching or pattern sews up.
Next, use Fig. 4 and Fig. 5 that the structure of the cloth-feeding device 200 of the utility model is described.Here, among Fig. 4 and Fig. 5, to part mark with Fig. 1 identical label corresponding with Fig. 1.
Cloth-feeding device 200 comprises 1 pair of Y axle trapped orbit 11,12, and 1 pair of X axle trapped orbit 21,22 of edge and the directions X configuration of Y direction quadrature of the parallel Y directions configuration of edge and lower shaft 106.
Upper surface at 1 pair of Y axle trapped orbit 11,12 is provided with the linear drive unit that is made up of block (not shown) and advance ball (not shown) respectively.On each block that each Y axle trapped orbit upper edge Y direction is slided, be fixed with the moving member 13,14 of y-axis shift.Therefore, the moving member 13,14 of y-axis shift can be moved along the Y direction by 11,12 supportings of Y axle trapped orbit.
1 pair of X axle trapped orbit 21,22 is fixed on the moving member 13,14 of y-axis shift.Thus, the moving member 13,14 of X axle trapped orbit 21,22 and y-axis shift can move in Y axle trapped orbit 11,12 upper edge Y directions together slidably.
Upper surface at X axle trapped orbit 21,22 is provided with the linear drive unit that is made up of block (not shown) and advance ball (not shown) respectively.On each block that each X axle trapped orbit upper edge Y direction is slided, be fixed with X axle mobile member 23.X axle mobile member 23 can be moved along directions X by 21,22 supportings of X axle trapped orbit via linear drive unit.The lower plate 108 (Fig. 3) and the compress frame 110 (Fig. 3) and this X axle mobile member 23 that keep cloth.
Directions X driven bracket 30 and the driven carriage 50 of directions X are installed at the two ends of X axle trapped orbit 21,22.Directions X driven bracket 30 becomes one with X axle trapped orbit 21,22 with the driven carriage 50 of directions X and moves along the Y direction.In addition, specify after a while, in the cloth-feeding device 200 of the utility model, the structure of the driven carriage 50 of directions X is different with the structure of the driven carriage 40 of directions X in the past (Fig. 1, Fig. 2).
Directions X driven bracket 30 rotatably support driving side sprocket wheels 31.In addition, the driven carriage 50 of directions X via sprocket bearing parts 56 rotatably support slave end sprocket wheel 51.
And, on driving side sprocket wheel 31 and slave end sprocket wheel 51, hang directions X rotating band 61.Directions X rotating band 61 links with X axle mobile member 23, and X axle mobile member 23 is moved along directions X.
Left side at Y axle trapped orbit 11 disposes splined shaft 32 along the Y direction.Driving side sprocket wheel 31 is arranged on splined shaft 32, is supported movably along the Y direction.Directions X driven bracket 30 is installed in an end (left end) of X axle trapped orbit.The periphery of directions X driven bracket 30 rotatably support driving side sprocket wheels 31.
End at splined shaft 32 links with directions X CD-ROM drive motor 34 via gear 33.Thus, the revolving force of directions X CD-ROM drive motor 34 is via splined shaft 32 and sprocket wheel 31 and pass to directions X rotating band 61, directions X rotating band 61 with along directions X around mode move.Its result, the X axle mobile member that links with directions X rotating band 61 23 moves along directions X.
In addition, with Y axle trapped orbit 11,12 Y direction rotating band 15,16 is set abreast.Moving member 13,14 of y-axis shift and Y direction rotating band 15,16 link.Thus, through Y direction rotating band 15,16 the moving member of y- axis shift 13,14 is driven along the Y direction.Here, the revolving force of Y direction CD-ROM drive motor 17 passes to driving shaft 19 via bevel gear 18, through this driving shaft 19, Y direction rotating band 15,16 with along the Y directional ring around mode move.Its result, the moving member of the y-axis shift that links with Y direction rotating band 15,16 13,14 moves along the Y direction.
According to this formation, the lower plate 108 (Fig. 3) and the compress frame 110 (Fig. 3) that are installed in X axle mobile member 23 move along directions X and Y direction.Thus, the cloth that is kept by lower plate 108 (Fig. 3) and compress frame 110 (Fig. 3) moves along X, Y direction.
Next, detailed description is as structure technical characterictic, the driven carriage 50 of directions X of the utility model.The driven carriage 50 of directions X constitutes the structure of the position that can adjust directions X, can adjust the tension force of directions X rotating band 61.
The driven carriage 50 of directions X is that cross section (side-looking of perhaps observing from the Y direction) is the member of " U " font, and board member is curved approximate right angle and forms at Liang Chu.
The driven carriage 50 of directions X comprises top 50a, sidepiece 50b and bottom 50c.Top 50a cuts central portion with forked, and sidepiece 50b and bottom 50c are rectangle.Sidepiece 50b from an end of the bottom (50c) of " U " character form component hold up and with distolateral linking to each other of top 50a.Top 50a across after the different distance piece 43a of the thickness stated, 43b and be installed in the other end of a pair of X axle trapped orbit 21,22.
Bottom 50c is supported along the Y direction through Y axle Auxiliary Track 44 movably.
Y axle Auxiliary Track 44 is fixed on the Sewing machines framework through not shown screw along the configuration of Y direction.The linear drive unit that is made up of block (not shown) and advance ball (not shown) as moving-member is set on the top of Auxiliary Track 44.And the bottom 50c of the driven carriage 50 of directions X is fixed on the block (not shown) as moving-member.
That is to say, the moving-member that can move along the Y direction is installed via advance ball, the fixing driven carriage 50 of directions X on this moving-member at Y axle Auxiliary Track 44.Therefore, the driven carriage 50 of directions X can be moved along the Y direction by 44 supportings of Y axle Auxiliary Track.
The top 50a with X axle trapped orbit 21,22 butts of the driven carriage 50 of directions X forms and extends to extremely near near the Y axle trapped orbit 11.Thus, can suppress X axle trapped orbit 21,22 bending downwards.
In addition, the width dimensions on the Y direction of the driven carriage 50 of directions X is set at 80～110mm, thus wider width.In addition, the width on the Y direction of the top 50a of the driven carriage 50 of directions X, bottom 50c and sidepiece 50b is identical, and forms point-blank.Thus, even having, the driven carriage 50 of directions X applied the intensity that plastic deformation can not take place load yet from the outside.In addition, the width dimensions on its Y direction is set at the length of guaranteeing the moving range on its Y direction and can being accommodated in Sewing machines support 101 inside.
At the inboard of the driven carriage 50 of directions X configuration sprocket bearing parts 56.
Here, form confession adjustment screw 53 at the driven carriage 50 sidepiece 50b of directions X and insert logical inserting holes 52.Inserting hole 52 forms bigger and littler than the screw division of adjustment screw 53 than the head of adjusting screw 53, and inserting hole 52 only supplies the screw division of adjustment screw 53 slotting logical thus.In addition, as shown in Figure 6, be formed with the screw hole 54 that supplies adjustment screw 53 to screw in the side of the sprocket bearing parts 56 relative with inserting hole 52.
In addition, be formed on slotted hole long on the directions X (long limit is directions X, and is not shown) on the installation portion 56b top of sprocket bearing parts 56.In not shown slotted hole, insert logical hold-down screw 57, this hold-down screw 57 is used for being fixed in the top 50a of the driven carriage 50 of directions X adjusting sprocket bearing parts 56 behind the position on the directions X through adjustment screw 53.In this embodiment; Form four slotted holes (not shown); Make the screw hole (not shown) of the top 50a of the driven carriage 50 of four hold-down screws, 57 screw-in directions Xs that passes these four slotted holes (not shown), thus sprocket bearing parts 56 are fixed on the top 50a of the driven carriage 50 of directions X.Here, through being formed on the directions X long slotted hole (not shown), and can be under the state of unscrewing hold-down screw 57, adjustment sprocket bearing parts 56 with respect to directions X position driven carriage 50, on directions X.Next, after the adjustment position, as long as tighten hold-down screw 57, just can fixed chain wheels support unit 56 with respect to directions X position driven carriage 50, on directions X.In addition, the quantity of slotted hole (not shown) and hold-down screw 57 is not limited to four certainly.
Next, the installation and the adjustment of the driven carriage 50 of directions X are described.
The driven carriage 50 of directions X at first is installed on the Y axle Auxiliary Track 44 with the mode that moves along the Y direction freely.Next, the driven carriage 50 of directions X is fixed on the lower face side of X axle trapped orbit 21,22 across distance piece 43a, 43b.Under the situation of this embodiment, as distance piece, a plurality of distance piece 43a, 43b that used thickness is different.Particularly, distance piece 43a (for example being 2.9mm) is thicker than distance piece 43b (for example being 0.1mm).Like this, through used thickness different a plurality of distance piece 43a, 43b, distance piece 43a capable of using, 43b be the gap (just height is poor) between the top 50a of lower surface and the driven carriage 50 of directions X of landfill X axle trapped orbit 21,22 accurately.In fact can the gap be made as below the 0.1mm.Thus, through screw 42 fixedly the time, the end that can suppress X axle trapped orbit 21,22 is pulled to directions X driven carriage 50 residing belows and bending downwards.
Next, in the inserting hole 52 of the sidepiece 50b of the driven carriage 50 of directions X, insert logical adjustment screw 53, adjust the screw-in amount of the screw hole 54 of these adjustment screw 53 screw-in sprocket bearing parts 56, adjust the position on the directions X of sprocket bearing parts 56 thus.That is to say the tension force of adjustment directions X rotating band 61.After the tension force of adjustment directions X rotating band 61, band tension force is fixed through tightening hold-down screw 57.
Next, take off adjustment screw 53.Thus, can remove lateral load and the torque that produces by adjustment screw 53.
As described above; According to the utility model; By the cross section is 1 driven carriage 50 of parts formation directions X of " U " font, and attaches it to X axle trapped orbit 21,22 and Y axle Auxiliary Track 44, and using independently with that kind shown in Fig. 2 B thus, carriage matrix 40a compares with auxiliary bracket 45 situation; Can suppress driven carriage 50 pivot offset of directions X, therefore can suppress the end downward direction bending of X axle trapped orbit 21,22 or Auxiliary Track 44 is applied lateral load and torque.Its result, the driven carriage 50 of directions X can slide on Auxiliary Track 44 reposefully, suppresses the damage of Auxiliary Track 44.Therefore,, just stable sewing quality can be realized, the appearance of abnormal sound can be prevented as long as use the cloth-feeding device 200 of the utility model.
In addition; The top 50a of the driven carriage 50 of directions X is fixed on X axle trapped orbit 21,22 across the different a plurality of distance piece 43a of thickness, 43b, and the end that can suppress X axle trapped orbit 21,22 thus is pulled to directions X driven carriage 50 existing belows and crooked downwards.Its result, the end bending downwards or the inhibition that can suppress X axle trapped orbit 21,22 more apply lateral load and torque to Auxiliary Track 44.
The industrial utilization possibility
The utility model is specially adapted to for example can carry out the Sewing machines that decorative pattern is sewed up and pattern is sewed up.
Claims (7)
1. the cloth-feeding device of a Sewing machines makes the cloth holding member edge that the keeps cloth Y direction parallel with lower shaft and moves with the directions X of this Y direction quadrature, and the cloth-feeding device of this Sewing machines comprises:
A pair of Y axle trapped orbit, it is along said Y direction configuration;
Y-axis shift moves member, and it can be moved along said Y direction by said Y axle trapped orbit supporting;
A pair of X axle trapped orbit, it is fixed on the moving member of said y-axis shift, and along said directions X configuration;
X axle mobile member, it can be moved along said directions X by said X axle trapped orbit supporting;
The driving side sprocket wheel, it is by the splined shaft supporting along said Y direction configuration;
The directions X driven bracket, it is installed in an end of said X axle trapped orbit, and supports said driving side sprocket wheel;
The driven carriage of directions X, it is installed in the other end of said X axle trapped orbit, and is supported and on said Y direction, moved freely by the Y axle Auxiliary Track along said Y direction configuration;
The sprocket bearing parts, it is fixed on the driven carriage of said directions X by adjustment in the position on the directions X;
The slave end sprocket wheel, it rotates supporting freely by said sprocket bearing parts; And
The directions X rotating band is hung on said slave end sprocket wheel and the said driving side sprocket wheel,
The driven carriage of said directions X is the member that the cross section is " U " font, and the top of being somebody's turn to do " U " character form component is fixed on said a pair of X axle trapped orbit, and the bottom of being somebody's turn to do " U " character form component is supported by said Y axle Auxiliary Track.
2. the cloth-feeding device of Sewing machines according to claim 1, wherein
The driven carriage of said directions X has the sidepiece that links to each other with said top from the bottom setting of said " U " character form component.
3. the cloth-feeding device of Sewing machines according to claim 2, wherein
The moving-member that can move along the Y direction is installed on said Y axle Auxiliary Track via advance ball, and the driven carriage of said directions X is fixed on said moving-member.
4. the cloth-feeding device of Sewing machines according to claim 3, wherein
Width on the said Y direction of said top, bottom and sidepiece forms same width.
5. the cloth-feeding device of Sewing machines according to claim 2, wherein
Sidepiece at said " U " character form component is formed with the slotting logical inserting hole of confession adjustment screw,
Be formed with the screw hole that supplies said adjustment screw to screw in the side of the said sprocket bearing parts relative with said inserting hole.
6. the cloth-feeding device of Sewing machines according to claim 5, wherein
Be formed with slotted hole in said sprocket bearing upper parts of components, this slotted hole is used for after adjusting the position of said sprocket bearing parts on directions X through said adjustment screw, said sprocket bearing parts being fixed on the driven carriage of said directions X.
7. according to the cloth-feeding device of the described Sewing machines of arbitrary claim in the claim 1 to 6, wherein
The driven carriage of said directions X is fixed on said X axle trapped orbit across the different a plurality of distance pieces of thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220172272 CN202595457U (en) | 2012-04-20 | 2012-04-20 | Cloth feeding device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220172272 CN202595457U (en) | 2012-04-20 | 2012-04-20 | Cloth feeding device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202595457U true CN202595457U (en) | 2012-12-12 |
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ID=47313011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220172272 Expired - Lifetime CN202595457U (en) | 2012-04-20 | 2012-04-20 | Cloth feeding device of sewing machine |
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| Country | Link |
|---|---|
| CN (1) | CN202595457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981640A (en) * | 2014-06-06 | 2014-08-13 | 深圳市大地利实业有限公司 | Pattern sewing machine and two-dimensional movement mechanism thereof |
| CN115262101A (en) * | 2022-08-02 | 2022-11-01 | 南京苏美达服装技术研发有限公司 | Computer flush joint machine convenient to operation |
-
2012
- 2012-04-20 CN CN 201220172272 patent/CN202595457U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981640A (en) * | 2014-06-06 | 2014-08-13 | 深圳市大地利实业有限公司 | Pattern sewing machine and two-dimensional movement mechanism thereof |
| CN115262101A (en) * | 2022-08-02 | 2022-11-01 | 南京苏美达服装技术研发有限公司 | Computer flush joint machine convenient to operation |
| CN115262101B (en) * | 2022-08-02 | 2023-05-30 | 南京苏美达服装技术研发有限公司 | Computer flush joint machine convenient to operation |
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| CX01 | Expiry of patent term |