CN101191278A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN101191278A CN101191278A CNA2007101948586A CN200710194858A CN101191278A CN 101191278 A CN101191278 A CN 101191278A CN A2007101948586 A CNA2007101948586 A CN A2007101948586A CN 200710194858 A CN200710194858 A CN 200710194858A CN 101191278 A CN101191278 A CN 101191278A
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- needle bar
- needle
- fastening part
- pin fastening
- rotation
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Abstract
The invention relates to a method of adjusting the position of the configuration direction and the configuration height and other factors of a needle easily and reliably through controlling the rotation of a needle maintaining body and simultaneously adjusting the fixing position along the up-down direction, and through controlling the movement of the needle maintaining body along the up-down direction and simultaneously adjusting the fixing position along the rotation direction. Wherein, the needle maintaining unit(3) comprises a needle fixing part(5) used to install a needle(2), a needle stick(6) used to install the needle fixing part(5), an up-down position adjustment mechanism used to adjust the fixing position along the up-down direction, which has a rotation movement control unit used to control the rotation of the needle stick(6) along the left-right direction, and a rotation position adjustment mechanism used to adjust the fixing position along the rotation direction, which has an up-down movement control unit used to control the up-down movement of the needle fixing part(5).
Description
Technical field
The present invention relates to a kind of Sewing machines, it has for the direction of adjusting suture needle and highly waits the position and adjust the position adjusting mechanism of the fixed position of needle bar and pin fastening part.
Background technology
In existing sewing machine, in the bottom of carrying out the reciprocating needle bar of above-below direction by the driving of drive unit, removably support the pin fastening part, on described pin fastening part, suture needle is installed in the mode relative with the needle falling hole of needle plate.Below needle plate, configuration is synchronously rotated with the reciprocating motion of suture needle or the still or the looper device of direction swing to the left and right.
And, when forming stitching, hooked by described still or looper device by making the suture coil that when penetrating the suture needle of reaching the standard grade and move up and down, forms, thereby make operation.
In this Sewing machines, if the skew of the position between still and looper device and the suture needle then may produce and can't hook suture coil, poor stitching qualitys such as wire jumper.Therefore, in the prior art, the mechanism of positions such as the configuration direction of consideration adjustment suture needle and configuration height.
Mechanism as the position of adjusting this suture needle, for example in patent documentation 1, disclose a kind of spline unit, it can be positioned at the pin fastening part assigned position of the point of needle bar, prevent that the suture needle fastening part from along the circumferential direction rotating, and adjusts the fixed position on the needle bar axis direction simultaneously.By this spline unit, can determine the fixed position of pin fastening part on the circumferencial direction of pin fastening part, be located on assigned position simultaneously, so that its fixed position at axis direction can be adjusted.
And, in existing other Sewing machiness, known to the fixed position on the axis direction of adjusting needle bar by the needle bar clamping section, thereby adjust the configuration height of suture needle etc., adjust the fixed position on the circumferencial direction of pin fastening part at needle bar simultaneously in the bottom of needle bar, thereby adjust the configuration direction of suture needle.
Patent documentation 1 spy opens the 2003-038881 communique
Summary of the invention
But according to the structure of patent documentation 1, needle bar is fixed under the state of assigned position because be positioned in the pin fastening part, so adjust at needs under the situation of direction of suture needle, needs to adjust fixed position on the circumferencial direction of needle bar by the needle bar clamping section.At this moment, needle bar also can move on axis direction with respect to the needle bar clamping section, therefore may cause being offset with respect to the fixed position of needle bar axis direction.
And according to the latter's existing structure, by the fixed position on the axis direction of needle bar clamping section adjustment needle bar the time, needle bar is also rotation in a circumferential direction simultaneously, so the fixed position on the circumferencial direction of needle bar can be offset.
Therefore, in above-mentioned existing example, has following problem: must adjust the circumferencial direction of needle bar and the fixed position on the axis direction simultaneously, inching difficulty, and the direction of inching suture needle and highly wait the position difficulty.In addition, for example, existing Sewing machines according to the latter, there is following problem: although adjusted fixed position on the axis direction of needle bar on the needle bar clamping section before, when being adjusted at the fixed position on the circumferencial direction of the needle bar on the pin fastening part, needle bar bottom thereafter, if depart from the fixed position in the axis direction pin fastening part of needle bar, then must readjust, the replacing operating efficiency of suture needle reduces.
The present invention proposes in view of above problem, and its purpose is, providing can be easily and adjust the direction of suture needle reliably and highly wait the Sewing machines of position, improves the efficient that operation is changed in suture needle.
To achieve these goals, Sewing machines of the present invention, it has: needle bar clamping section (7), itself and Sewing machines drive source link; Pin fastening part (5), it installs suture needle (2); And needle bar (6), it is supported on described needle bar clamping section, makes described pin fastening part (5) be removably mounted on its bottom, it is characterized in that,
Described needle bar has: embeded slot (18), and it extends and forms along axis direction at pars intermedia; Hollow bulb (14), it is at lower ends downward side's opening; And slit (12), it has to link to each other in the introduction part (12a) of the following ora terminalis opening of described needle bar and with this introduction part and is provided with and in the upwardly extending restriction in described week side portion (12b),
Described pin fastening part has: insert axle (10), it inserts in the described needle bar hollow bulb; And projection (11), it is formed on the described insertion axle,
Described needle bar clamping section has: restriction body (25), and it is set to can be with described embeded slot chimeric or break away from; And elastomeric element (24), it pushes described restriction body, so that itself and described embeded slot are chimeric, this needle bar clamping section is removably disposed in the pars intermedia of needle bar towards described embeded slot,
By described restriction body is embedded in the described embeded slot, and utilize described elastomeric element to push, thereby limit the rotation of the left and right directions of described needle bar to described embeded slot,
Make described projection be arranged in described restriction portion via the described introduction part of described slit, thereby limit moving up and down of described pin fastening part.
The Sewing machines of being put down in writing according to the present invention, when adjusting suture needle and keep the fixed position of above-below direction of body, the rotation of restriction needle bar, therefore can not depart from needle bar direction of rotation the fixed position and adjust the fixed position that suture needle keeps the above-below direction of body.Meanwhile, when adjusting suture needle and keep the fixed position of direction of rotation of body, therefore the moving up and down of restriction pin fastening part can not depart from the fixed position of pin fastening part above-below direction and adjust the fixed position that suture needle keeps the body direction of rotation.
And, by the restriction body that is arranged on the needle bar clamping section is embedded in the embeded slot that is formed on the needle bar, to limit body by being pressed in the embeded slot by elastomeric element, thereby can limit the rotation of the circumferencial direction of needle bar, therefore when the fixed position of the above-below direction of adjusting needle bar, can prevent needle bar direction rotation to the left and right reliably.
In addition, when the insertion axle of pin fastening part inserts the hollow bulb of needle bar, introduction part via groove makes projection be positioned at restriction portion, thereby can limit the moving of above-below direction of pin fastening part, therefore, when adjusting the fixed position of direction of rotation of pin fastening part, can prevent moving up and down of pin fastening part reliably.
The effect of invention
As mentioned above, according to the Sewing machines that the present invention relates to, when the fixed position of the above-below direction of adjusting suture needle maintenance body, the fixed position of the direction of rotation about can not departing from is adjusted, and, when the fixed position of the direction of rotation of adjusting suture needle maintenance body, can not depart from the fixed position of above-below direction and adjust.Thus, can be easily and adjust the direction of suture needle exactly and highly wait the position.
Description of drawings
Fig. 1 is the brief strabismus map of wanting portion of the Sewing machines that relates to of expression present embodiment.
Fig. 2 is that the pin fastening part is installed on the needle bar in the Sewing machines of presentation graphs 1, and needle bar is installed in the brief strabismus map of the state on the needle bar clamping section.
Fig. 3 is the brief strabismus map of the pin fastening part that Sewing machines had of presentation graphs 1.
Fig. 4 is the brief strabismus map of end portion of the needle bar that Sewing machines had of presentation graphs 1.
Fig. 5 is the general profile chart of the needle bar clamping section that Sewing machines had of presentation graphs 1.
The specific embodiment
Below, the embodiment of the Sewing machines that the present invention relates to referring to figs. 1 through Fig. 5 explanation.
As shown in Figures 1 and 2, the Sewing machines 1 that present embodiment relates to remains on a plurality of (in the present embodiment being 3) suture needle 2 on the suture needle holding unit 3.Suture needle holding unit 3 has: pin fastening part 5, and it installs each suture needle 2 in configuration ground side by side; Needle bar 6, it disposes vertically with respect to Sewing machines 1, and removably fixedly mounts pin fastening part 5 in its bottom; And needle bar clamping section 7, it keeps needle bar 6.Described needle bar clamping section 7 links with well-known needle bar driving mechanism, this needle bar driving mechanism and not shown Sewing machines drive source interlock, and this needle bar clamping section 7 is configured to move up and down when Sewing machines drives.
On the mounting portion of this pin fastening part 5 and needle bar 6, form the direction of rotation guiding mechanism, its adjust suture needle holding unit 3 the left rotation and right rotation direction, be the fixed position of the pin fastening part 5 on the circumferencial direction of needle bar 6, and this direction of rotation guiding mechanism has the limiting unit of moving up and down, moving up and down on the axis direction that its restriction pin fastening part 5 is needle bar 6 at above-below direction.
As shown in Figure 3, pin fastening part 5 has: pin fastening part main body 9, and it keeps each suture needle 2; And inserting axle 10, it is formed at the top of pin fastening part main body 9, at the side face that inserts axle 10, along the outstanding projection 11 that forms of radiation direction.
And, as shown in Figure 4, end portion at needle bar 6, form the hollow bulb 14 of opening downwards, it can make the insertion axle 10 of pin fastening part 5 insert, form slit 12 at the end portion of needle bar 6, its have can be chimeric with the projection that on the insertion axle 10 of pin fastening part 5, forms 11 width dimensions.Slit 12 forms the L font, has: introduction part 12a, and it is gone up at the following ora terminalis opening of needle bar 6 and at the axis direction (above-below direction) of needle bar 6 and extends; And the 12b of restriction portion, it extends from the end of introduction part 12a to the circumferencial direction of needle bar 6 (about direction of rotation).In addition, in the present embodiment, the shape of slit 12 forms the L font, but be not to be defined in this, so long as the shape of the 12b of restriction portion that the circumferencial direction to needle bar 6 that the introduction part 12a that to have with 6 times ora terminalis of needle bar be cardinal extremity and linking to each other with introduction part 12a is provided with extends gets final product, for example, also can form T font etc.
Make the part of insertion axle 10 insertions of pin fastening part 5 in the bottom of needle bar 6, insert not shown the inserting in the hole of clamping section, pin fastening part 13, by fixing screw 15 needle bar 6 and pin fastening part 5 are fixed on the clamping section, pin fastening part 13, thus pin fastening part 5 is fixing and be installed on the needle bar 6.
When being installed in this pin fastening part 5 on the needle bar 6, so that insert the mode that the projection 11 of axle 10 is positioned at the introduction part 12a of slit 12, after inserting in the hollow bulb 14 of 10 insertion needle bars 6, projection 11 12b of restriction portion along slit 12 are moved, thereby pin fastening part 5 is rotated up at right and left.Thus, become the position of rotation guiding mechanism of the fixed position on the direction of rotation of adjusting pin fastening part 5.And, make projection 11 be positioned at the 12b of restriction portion via the introduction part 12a of slit 12, thereby projection 11 be embedded among the 12b of restriction portion of slit 12, become restriction pin fastening part 5 move up and down move up and down limiting unit.
On the mounting portion of this needle bar 6 and needle bar clamping section 7, form the upper-lower position guiding mechanism of the fixed position on the above-below direction of adjusting needle bar 6, this upper-lower position guiding mechanism has the limiting unit that rotatablely moves of the rotation of the left and right directions that limits needle bar 6.
As shown in Figure 5, form embeded slot 18 on the side face of substantial middle part on the axis direction of needle bar 6, its section shape is V word shape, extends along axis direction (above-below direction).
The linking part 20 that needle bar clamping section 7 has main part 19 and links to each other and be provided with main part 19 forms the patchhole 21 that needle bar 6 is inserted on main part 19, and forms the hollow bulb 22 that links to each other and be provided with patchhole 21 in the inside of linking part 20.Configuration is as the stage clip 24 of elastomeric element in hollow bulb 22, and stage clip 24 is configured to make the one end towards patchhole 21.Spherical restriction as the restriction body is configured in following position with ball 25,, inserts under the state in the patchhole 21 of needle bar clamping sections 7 side face towards needle bar 6 at needle bar 6 that is, thus can with described embeded slot 18 chimeric or disengagings.Described restriction is pushed with ball 25 in one end of stage clip 24, makes itself and embeded slot 18 chimeric.
When being installed in this needle bar 6 on the needle bar clamping section 7, needle bar 6 is inserted in the patchhole 21 of needle bar clamping section 7, in position, by described fixing screw needle bar 6 is fixed on the needle bar clamping section 7, thereby becomes the upper-lower position guiding mechanism of adjusting the fixed position on the above-below direction of needle bar 6 in the inside of sewing machine arm 16.And, in the time of in the patchhole 21 that makes needle bar 6 insertion needle bar clamping sections 7, make restriction chimeric with ball 25 and embeded slot 18, by stage clip 24 make restriction with ball 25 by being pressed in the embeded slot 18, thereby become the limiting unit that rotatablely moves of the rotation of the left and right directions that limits needle bar 6.
Each suture needle 2 is configured to, and makes the needle plate 28 of the point of each suture needle 2 towards the upper surface that is installed in sewing machine base 27, on the relative position of the point with each suture needle 2 on the needle plate 28, is formed with the needle falling hole 29 that the tip portion of each suture needle 2 can pass.Below sewing machine base 27 inside, needle plate 28, not shown looper device is set, the above-below direction of itself and each suture needle 2 move back and forth synchronously direction swing to the left and right.This Sewing machines 1, the tip portion that inserts the suture needle 2 of reaching the standard grade is moved downwards via needle bar 6, and via be configured on the needle plate 28 cloth and after inserting in the needle falling hole 29, suture needle 2 is moved upward and forms wire loop by suture, the looper device is caught on described wire loop by penetrating rolling off the production line of looper device while swinging, thereby make operation.
Below, the effect of present embodiment is described.
According to present embodiment, the upper-lower position guiding mechanism of the fixed position on the above-below direction of adjustment needle bar 6, the limiting unit that rotatablely moves with rotation of the left and right directions that limits needle bar 6, therefore, during fixed position on adjusting the above-below direction of needle bar 6, the rotation of needle bar 6 is limited, and can not depart from the fixed position on the direction of rotation of needle bar 6 and adjusts fixed position on the above-below direction of needle bar 6.Meanwhile, the position of rotation guiding mechanism of the fixed position on the direction of rotation of adjustment pin fastening part 5, have restriction pin fastening part 5 move up and down move up and down limiting unit, therefore during the fixed position on the direction of rotation of adjusting pin fastening part 5, moving up and down of pin fastening part 5 is limited, and can not depart from the fixed position on the above-below direction of pin fastening part 5 and adjusts the fixed position of the direction of rotation of pin fastening part 5.
Thereby, can not depart from the fixed position on the direction of rotation of needle bar 6 and adjust the fixed position of the above-below direction of needle bar 6, and, can not depart from the fixed position on the above-below direction of pin fastening part 5 and adjust fixed position on the direction of rotation of pin fastening part 5, thus can be easily and adjust positions such as the configuration direction of suture needle 2 and configuration height reliably.And, when changing suture needle 2, can be easily and carry out the position adjustment of suture needle 2 reliably, can shorten the time of the replacing operation of suture needle 2.
In addition, the invention is not restricted to above-mentioned embodiment, can carry out various changes according to necessity.
For example, the upper-lower position guiding mechanism and the limiting unit that rotatablely moves, position of rotation guiding mechanism and move up and down each structure of limiting unit and form the position, be not limited to present embodiment, can the upper-lower position guiding mechanism of the limiting unit that rotatablely moves will be had, be formed on the mounting portion of pin fastening part 5 and needle bar 6, in addition, also can will have the position of rotation guiding mechanism that moves up and down limiting unit, be formed on the mounting portion of needle bar 6 and needle bar clamping section 7.
Claims (1)
1. Sewing machines, it has: the needle bar clamping section, itself and Sewing machines drive source link; The pin fastening part, it installs suture needle; And needle bar, it is supported on the described needle bar clamping section, makes described pin fastening part be removably mounted on its bottom, it is characterized in that,
Described needle bar has: embeded slot, and it extends and forms along axis direction at pars intermedia; Hollow bulb, it is at lower ends downward side's opening; And slit, its have link to each other in the introduction part of the following ora terminalis opening of described needle bar and with this introduction part be provided with and in week side upwardly extending restriction portion,
Described pin fastening part has: insert axle, it inserts in the described needle bar hollow bulb; And projection, it is formed on the described insertion axle,
Described needle bar clamping section has: the restriction body, and it is set to can be with described embeded slot chimeric or break away from; And elastomeric element, it pushes described restriction body, so that itself and described embeded slot are chimeric, this needle bar clamping section is removably disposed in the pars intermedia of needle bar towards described embeded slot,
By described restriction body is embedded in the described embeded slot, and utilize described elastomeric element to push, thereby limit the rotation of the left and right directions of described needle bar to described embeded slot,
Make described projection be arranged in described restriction portion via the described introduction part of described slit, thereby limit moving up and down of described pin fastening part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006318594 | 2006-11-27 | ||
| JP2006318594A JP2008132006A (en) | 2006-11-27 | 2006-11-27 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101191278A true CN101191278A (en) | 2008-06-04 |
Family
ID=39486472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101948586A Pending CN101191278A (en) | 2006-11-27 | 2007-11-27 | Sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008132006A (en) |
| CN (1) | CN101191278A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726240A (en) * | 2013-12-27 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Sewing machine needle fast mounting seat |
| CN104818587A (en) * | 2014-02-03 | 2015-08-05 | Juki株式会社 | Sewing machine |
| CN104878527A (en) * | 2015-06-10 | 2015-09-02 | 吴江市震宇缝制设备有限公司 | Multi-needle sewing machine needle seat allowing quick mounting and dismounting |
-
2006
- 2006-11-27 JP JP2006318594A patent/JP2008132006A/en active Pending
-
2007
- 2007-11-27 CN CNA2007101948586A patent/CN101191278A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726240A (en) * | 2013-12-27 | 2014-04-16 | 吴江市震宇缝制设备有限公司 | Sewing machine needle fast mounting seat |
| CN104818587A (en) * | 2014-02-03 | 2015-08-05 | Juki株式会社 | Sewing machine |
| CN104878527A (en) * | 2015-06-10 | 2015-09-02 | 吴江市震宇缝制设备有限公司 | Multi-needle sewing machine needle seat allowing quick mounting and dismounting |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008132006A (en) | 2008-06-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080604 |