CN103498304B - Needle bar of sewing machine separating mechanism - Google Patents
Needle bar of sewing machine separating mechanism Download PDFInfo
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- CN103498304B CN103498304B CN201310416470.1A CN201310416470A CN103498304B CN 103498304 B CN103498304 B CN 103498304B CN 201310416470 A CN201310416470 A CN 201310416470A CN 103498304 B CN103498304 B CN 103498304B
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- upper axle
- needle bar
- rocker arm
- son
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Abstract
The invention discloses a kind of needle bar of sewing machine separating mechanism, belong to sewing mechanism technology for making field, the needle bar mechanism solving Sewing machines in prior art and feed mechanism can not realize the technical problem be separated; The present invention includes head shell (1), in head shell (1), axial location arranges upper axle, upper axle is divided into two sections, namely axle one (2) and upper axle two (3) is gone up, arrange at the two ends that upper axle one (2) is relative with upper axle two (3) and diaxon can be made to realize being separated and the arrangement of clutch combined, this arrangement of clutch comprises the swing part driven by drive unit; The present invention is by arranging arrangement of clutch, in realization axle one (2) and upper axle two (3) combination be separated, make needle bar mechanism and feed mechanism realize combining and being separated from face, thus continuous print wire jumper section can be formed on cloth, to be applicable to the requirement of various sewing, make dress material more attractive in appearance, can increase work efficiency and product quality.
Description
Technical field
The invention belongs to sewing mechanism technology for making field, particularly relate to and the main shaft of Sewing machines and the main shaft of needle bar mechanism can be made to realize combining and a kind of needle bar of sewing machine separating mechanism be separated.
Background technology
Traditional Sewing machines generally all comprises support, and support arranges head shell, arranges main shaft, thread take-up mechanism, needle bar mechanism, feed mechanism and hook line mechanism in head shell.In the course of the work, thread take-up mechanism, needle bar mechanism, feed mechanism and hook line mechanism is driven to realize being synchronized with the movement by main shaft, needle bar mechanism is driven to carry out the motion of thorn material by main shaft, upper thread was punctured cloth, main shaft drives feed mechanism to carry out feeding campaign, make cloth make uniform motion, make cloth form continuous print stitching by thread take-up mechanism and hook line mechanism motion.
But, sometimes, according to different sewing requirements, when inserting the cloth of another part in the middle of one section of cloth of having sewed, at this moment just need the upper thread of having sewed and bottom line to dismantle, then insert the cloth needing to add, and not only dismantle upper thread and bottom line are lost time, be easy to again destroy cloth, and expendable needle tracking can be left on cloth, affect the aesthetic measure of cloth finished product.
Therefore, if can arrange a kind of device, can realize needle bar mechanism and be separated with feed mechanism and combine, when needs form continuous stitching on cloth, needle bar mechanism is combined with feed mechanism, mode of sewing routinely is sewed; When not needing stitching on a certain length of cloth, needle bar mechanism is separated with feed mechanism, i.e. feed mechanism continuous operation and needle bar mechanism quits work, so just can there is one section of needle bar mechanism not through the continuous wire jumper section of cloth on cloth, workman can be avoided to take out stitches by hand, such labour that can save workman, does not destroy cloth again, increases work efficiency and the crudy of cloth.
Summary of the invention
The technical problem to be solved in the present invention is that the needle bar mechanism of Sewing machines in elimination prior art and feed mechanism can not realize the technical problem be separated, there is provided one to have and needle bar mechanism can be made to be separated with feed mechanism and to combine, thus sew out on cloth wire trace segment and wire jumper section, avoid workman to take out stitches by hand, increase work efficiency.
In order to solve the problems of the technologies described above, the invention provides a kind of needle bar of sewing machine separating mechanism, comprise head shell, in head shell, axial location arranges axle, axle on this is divided into two sections, is axle one and upper axle two, described upper axle one and the axle center of upper axle two are arranged on same axis direction, the two ends that described upper axle one is relative with upper axle two arrange and diaxon can be made to realize being separated and the arrangement of clutch combined, and this arrangement of clutch comprises the swing part driven by drive unit; Moved by drive unit, arrangement of clutch can be impelled to combine and be separated, thus make axle one and upper axle two realize combining and being separated.
Above-mentioned needle bar of sewing machine separating mechanism, described arrangement of clutch comprises the fixed knot zygote be arranged on axle one and the son that is slidably connected that can be moved by secure bond subband be arranged on axle two, this fixed knot zygote is circularly be fixedly connected on upper axle one by trip bolt, this son that is slidably connected is connected on axle two in circular at axial direction slidably, and described fixed knot zygote and the son that is slidably connected match; Arrangement of clutch can be made like this to combine and be separated, when arrangement of clutch in conjunction with time, fixed knot zygote just can drive sub the moving that be slidably connected.
Above-mentioned needle bar of sewing machine separating mechanism, at the surperficial axial direction of described upper axle two, taper axial notch is set, in the described sub-surface that is slidably connected, annular groove is set, the flange of the annular groove both sides of the son that is slidably connected is arranged with described diminished shaft to the corresponding screwed hole of groove location, screwed hole arranges the trip bolt that head is taper, and this head is that the trip bolt of taper is stuck in described taper axial notch through screwed hole; Like this when secure bond subband is dynamic be slidably connected son rotate time, the son that is slidably connected just can drive axle two to realize synchronous axial system.
Above-mentioned needle bar of sewing machine separating mechanism, the taper axial notch that the surperficial axial direction of described upper axle two is arranged is 2 to 6, the flange of the annular groove both sides of the son that is slidably connected is arranged and is also 2 to 6 with described diminished shaft to the trip bolt that the corresponding screwed hole of groove location and head are taper.When taper axial notch is set to 2, then taper axial notch is symmetrical arranged; When taper axial notch is set to 3, then taper axial notch is in 120 degree of angles settings; Namely the angle of adjacent two taper axial notches is equal, when the trip bolt that head is taper is stuck in taper axial notch, in circumferencial direction uniform force when making axle two rotate.
Above-mentioned needle bar of sewing machine separating mechanism, described upper axle two arranges bearing adapter sleeve, and this bearing adapter sleeve is fixed on upper axle two by trip bolt, at bearing adapter sleeve and be slidably connected between son and arrange cylinder-shaped compression spring.When arrangement of clutch in conjunction with time, cylinder-shaped compression spring can assist the son that is slidably connected to be combined with fixed knot zygote, by the dynamic sub-rotation that is slidably connected of secure bond subband.
Above-mentioned needle bar of sewing machine separating mechanism, described swing part comprises the rocker arm shaft be arranged on head shell, rocker arm shaft arranges inner rocker arm, inner rocker arm is fixedly connected with roll sleeve bearing pin, described roll sleeve bearing pin arranges roll sleeve, and described roll sleeve is arranged on and is slidably connected in the annular groove of son; Be slidably connected in the annular groove of son because roll sleeve bearing pin is arranged on, when rocker arm shaft rotates, roll sleeve bearing pin can be made to swing, roll sleeve bearing pin swings and the son that is slidably connected can be driven to move around at axial direction, thus the son that makes to be slidably connected is separated with fixed knot zygote and combines, and finally realizes separation and the combination of arrangement of clutch; Roll sleeve bearing pin arranges roll sleeve, the friction of roll sleeve bearing pin and annular groove medial surface can be reduced.
Above-mentioned needle bar of sewing machine separating mechanism, described rocker arm shaft is connected with drive unit, this drive unit comprises cylinder, piston rod, arm-tie and outer rocker arm, piston rod is fixedly connected with arm-tie, arm-tie is flexibly connected by screw with one end of outer rocker arm, and the other end of this outer rocker arm is fixedly connected with rocker arm shaft; Like this when cylinder operation, drive piston rod axially-movable, piston rod movement can drive arm-tie to move, and arm-tie motion can drive outer rocker arm to move, and outer rocker arm motion can drive rocker arm shaft to rotate.
The beneficial effect of above-mentioned needle bar of sewing machine separating mechanism is.
(1) due to upper axle axle one and upper axle two on axial direction disjunction is, arrange at the two ends that upper axle one is relative with upper axle two and diaxon can be made to realize being separated and the arrangement of clutch combined, like this when upper axle one and upper axle two in conjunction with time, can sew to cloth by bind routinely, namely carry out take-up motion, the motion of thorn material, feeding campaign and the motion of hook line, thus on cloth, form continuous print stitching; When upper axle one is separated with upper axle two, upper axle one still drives the motion of feed mechanism and hook line mechanism, but thread take-up mechanism, needle bar mechanism do not move, like this because thread take-up mechanism and needle bar mechanism do not move, needle bar mechanism does not move up and down vertically, so upper thread is not through cloth, and feed mechanism still participates in feeding, on cloth, thus form continuous print wire jumper section, to be applicable to the requirement of various sewing, make dress material more attractive in appearance, to improve the quality of products.
(2) above scheme is easy to operate, when carrying out routine sewing, only need by simple handover operation, i.e. and the qi of chong channel ascending adversely of cylinder and venting, the combination that just can reach arrangement of clutch and the object be separated, thus carry out different sewing operations.
(3) this structural principle is simple, and cost is lower, but significantly improves the needs that Sewing machines sews to different cloth, making it the effect reaching one-machine-multi-function, owing to not needing the cloth to having sewed again to take out stitches, can increase work efficiency and product quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is fixed knot zygote of the present invention and the minor structure schematic diagram that is slidably connected.
Fig. 3 is axle two surface texture schematic diagram in the present invention.
Fig. 4 be in Fig. 1 swing part A-A to structural representation.
Fig. 5 is driving device structure schematic diagram of the present invention.
Fig. 6 is that drive unit of the present invention and swing part are in conjunction with schematic diagram.
Drawing reference numeral illustrates: 1-head shell, the upper axle one of 2-, the upper axle two of 3-, 31-taper axial notch, 4-fixed knot zygote, 5-is slidably connected son, 51-annular groove, 52-flange, 53-screwed hole, 6a-trip bolt, 6b-head is the trip bolt of taper, 6c-trip bolt, 7-bearing adapter sleeve, 8-cylinder-shaped compression spring, 9-rocker arm shaft, 10-inner rocker arm, 100-outer rocker arm, 101-roll sleeve bearing pin, 102-roll sleeve, 103-cylinder, 104-piston rod, 105-arm-tie, 106-screw, 107a-top tracheae, 107b-lower windpipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Needle bar of sewing machine separating mechanism as shown in Figure 1, comprise head shell 1, in head shell 1, axial location arranges axle, axle on this is divided into two sections, be axle 1 and upper axle 23, on this, axle 1 can drive feed mechanism and hook line mechanism motion, and on this, axle 23 can drive thread take-up mechanism, needle bar mechanism to move; The axle center of upper axle 1 and upper axle 23 is arranged on same axis direction, and arrange at the two ends that upper axle 1 is relative with upper axle 23 and diaxon can be made to realize being separated and the arrangement of clutch combined, this arrangement of clutch comprises the swing part driven by drive unit; Moved by drive unit, arrangement of clutch can be impelled to combine and be separated, thus make axle 1 and upper axle 23 realize being separated and combining.
The arrangement of clutch of needle bar of sewing machine separating mechanism as shown in Figure 1 and Figure 2 comprises the fixed knot zygote 4 be arranged on axle 1 and the son 5 that is slidably connected that can be driven by fixed knot zygote 4 be arranged on axle 23, this fixed knot zygote 4 is fixedly connected on upper axle 1 in circular by trip bolt 6a, this son 5 that is slidably connected is connected on axle 23 in circular at axial direction slidably, and fixed knot zygote 4 and the son 5 that is slidably connected match; Due to be slidably connected son 5 axial direction on upper axle 23 slidably, and fixed knot zygote 4 matches with the son 5 that is slidably connected, such as both end faces become semicircle shape, cooperatively interact, also can be in concavo-convex, cooperatively interact, arrangement of clutch can be made like this to be separated and combine, when arrangement of clutch in conjunction with time fixed knot zygote 4 can drive to be slidably connected and sub 5 to move.
The surperficial axial direction of upper axle 23 as shown in Figure 2 and Figure 3 arranges taper axial notch 31, being slidably connected, sub 5 surfaces arrange annular groove 51, the flange 52 of annular groove 51 both sides of the son 5 that is slidably connected arranges the screwed hole 53 corresponding with described taper axial notch 31 position, screwed hole 53 arranges the trip bolt 6b that head is taper, and this head is that the trip bolt 6b of taper is stuck in taper axial notch 31 through screwed hole 53; Like this when fixed knot zygote 4 drives the son 5 that is slidably connected to rotate, the son 5 that is slidably connected just can drive axle 23 to realize synchronous axial system.As corrective measure of the present invention, the taper axial notch 31 that the surperficial axial direction of upper axle 23 is arranged is 2 to 6, and it is that the trip bolt 6b of taper is also 2 to 6 that the flange 52 of annular groove 51 both sides of the son 5 that is slidably connected arranges the screwed hole 53 corresponding with described taper axial notch 31 position and head.When taper axial notch 31 is set to 2, then taper axial notch 31 is symmetrical arranged, when taper axial notch 31 is set to 3, then taper axial notch 31 is in 120 degree of angles settings, namely the angle of adjacent two taper axial notches 31 is equal, when the trip bolt 6b that head is taper is stuck in taper axial notch 31 li, in circumferencial direction uniform force when making axle 23 rotate.
Upper axle 23 as shown in Figure 1 arranges bearing adapter sleeve 7, this bearing adapter sleeve 7 is fixed on upper axle 23 by trip bolt 6c, bearing adapter sleeve 7 and be slidably connected son 5 between cylinder-shaped compression spring 8 is set, when arrangement of clutch in conjunction with time, cylinder-shaped compression spring 8 can assist the son 5 that is slidably connected to be combined with fixed knot zygote 4, drives the son 5 that is slidably connected to rotate by fixed knot zygote 4.
Swing part as shown in Figure 1, Figure 2, Figure 4 shows comprises the rocker arm shaft 9 be arranged on head shell 1, rocker arm shaft 9 is fixedly installed inner rocker arm 10, inner rocker arm 10 is fixedly connected with roll sleeve bearing pin 101, this roll sleeve bearing pin 101 arranges roll sleeve 102, and this roll sleeve bearing pin 101 is arranged on and is slidably connected in the annular groove 51 of son 5; Because roll sleeve bearing pin 101 is arranged in annular groove 51, so when rocker arm shaft 9 rotates, roll sleeve bearing pin 101 can be made to swing, roll sleeve bearing pin 101 swings and the son 5 that is slidably connected can be driven to move around at axial direction, thus the son 5 that makes to be slidably connected is separated with fixed knot zygote 4 and combines, namely realize separation and the combination of arrangement of clutch, final realization makes axle 1 be separated with upper axle 23 and combine.Roll sleeve bearing pin 101 arranges roll sleeve 102, the friction of roll sleeve bearing pin 101 and annular groove 51 medial surface can be reduced.
Rocker arm shaft 9 as shown in Fig. 1, Fig. 5, Fig. 6 is connected with drive unit, this drive unit comprises cylinder 103, piston rod 104, arm-tie 105 and outer rocker arm 100, piston rod 104 is fixedly connected with arm-tie 105, arm-tie 105 is flexibly connected by screw 106 with one end of outer rocker arm 100, and the other end of outer rocker arm 100 is fixedly connected with rocker arm shaft 9; Like this when cylinder 103 works, drive piston rod 104 axially-movable, thus drive arm-tie 105 to move, arm-tie 105 motion can drive outer rocker arm 100 to move, and outer rocker arm 100 motion can drive rocker arm shaft 9 to rotate.
It should be noted that, shown in Fig. 1, on upper axle 23, to be slidably connected between son 5 and bearing adapter sleeve 7 that what adopt is cylinder-shaped compression spring 8, but be not limited in this, can with other elastomeric elements compressible, as caoutchouc elasticity sleeve part etc. replaces.
During use, as Fig. 1, Fig. 4, Fig. 5, shown in Fig. 6, (for convenience of description, right position in accompanying drawing is identical with right position described below) start servomotor, servomotor drives lower beam warp Timing Belt to drive upper axle 1 and fixed knot zygote 4 to rotate, then cylinder 103 lower windpipe 107b is made to inflate, piston rod 104 pulls arm-tie 105 to move upward, arm-tie 105 moves and drives outer rocker arm 100 to rotate, outer rocker arm 100 rotating band shakes arm axle 9 and rotates clockwise, rocker arm shaft 9 rotates clockwise and drives inner rocker arm 10 to rotate clockwise simultaneously, roll sleeve bearing pin 101 is swung to the right, thus the son 5 that makes to be slidably connected moves right and to be combined with fixed knot zygote 4, bearing adapter sleeve 7 is combined with fixed knot zygote 4 with the auxiliary son 5 that is slidably connected of the cylinder-shaped compression spring 8 be slidably connected between son 5 simultaneously, the son 5 that is slidably connected is driven to rotate by fixed knot zygote 4, thus make axle 23 and upper axle 1 realize synchronous axial system, at this moment, thread take-up mechanism, needle bar mechanism, feed mechanism and hook line mechanism realize being synchronized with the movement, then normally sew on cloth, form continuous print stitching.When needs carry out wire jumper, cylinder 103 top tracheae 107a is inflated, piston rod 104 pulls arm-tie 105 to move downward, arm-tie 105 moves and drives outer rocker arm 100 to rotate, outer rocker arm 100 rotating band shakes arm axle 9 and rotates counterclockwise; rocker arm shaft 9 rotates counterclockwise and drives inner rocker arm 10 to rotate counterclockwise simultaneously; thus roll sleeve bearing pin 101 is swung left; making to be slidably connected sub 5 is moved to the left and is separated with fixed knot zygote 4; namely go up axle 1 and be separated with upper axle 23; at this moment go up axle 1 and be rotated further, therefore feed mechanism and hook line mechanism work on, and continue to realize feeding; And upper axle 23 stops operating, so thread take-up mechanism and needle bar mechanism quit work, shank does not sting material motion up and down, and controlled to make pin be parked in upper initial point by servomotor microcomputer control system, needlework through cloth, therefore do not form wire jumper on processed cloth; When conventional sewing will be re-started form continuous stitching, as long as make cylinder 103 lower windpipe 107b inflate repeat above-mentioned steps.
By reference to the accompanying drawings embodiment of the present invention is explained in detail above; but the present invention is not limited to above-mentioned embodiment; to those skilled in the art; can also make some modification and improvement under the premise of not departing from the present invention, these also should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a needle bar of sewing machine separating mechanism, comprise head shell (1), in described head shell (1), axial location arranges upper axle, it is characterized in that: described upper axle is divided into two sections, namely axle one (2) and upper axle two (3) is gone up, described upper axle one (2) and the axle center of upper axle two (3) are arranged on same axis direction, the two ends that described upper axle one (2) is relative with upper axle two (3) arrange and diaxon can be made to realize being separated and the arrangement of clutch combined, described arrangement of clutch comprises the swing part driven by drive unit, described arrangement of clutch comprises the fixed knot zygote (4) be arranged on axle one (2) and the son that is slidably connected (5) that can be driven by fixed knot zygote (4) be arranged on axle two (3), described fixed knot zygote (4) is fixedly connected on upper axle one (2) in circular by trip bolt (6a), the described son that is slidably connected (5) is connected on axle two (3) in circular at axial direction slidably, described fixed knot zygote (4) and the son that is slidably connected (5) match.
2. needle bar of sewing machine separating mechanism according to claim 1, it is characterized in that: at the surperficial axial direction of described upper axle two (3), taper axial notch (31) is set, on the described son that is slidably connected (5) surface, annular groove (51) is set, flange (52) in annular groove (51) both sides of the described son that is slidably connected (5) is upper arranges the screwed hole (53) corresponding with described taper axial notch (31) position, described screwed hole (53) arranges the trip bolt (6b) that head is taper, described head is that the trip bolt (6b) of taper is stuck in described taper axial notch (31) through screwed hole (53).
3. needle bar of sewing machine separating mechanism according to claim 2, it is characterized in that: the taper axial notch (31) arranged at the surperficial axial direction of described upper axle two (3) is 2 to 6, the upper setting screwed hole (53) corresponding with described taper axial notch (31) position of the flange (52) in annular groove (51) both sides of the son that is slidably connected (5) and head are that the trip bolt (6b) of taper is also 2 to 6.
4. the needle bar of sewing machine separating mechanism according to claim 1 or 2 or 3, it is characterized in that: on described upper axle two (3), bearing adapter sleeve (7) is set, described bearing adapter sleeve (7) is fixed on upper axle two (3) by trip bolt (6c), between described bearing adapter sleeve (7) and the son that is slidably connected (5), arrange cylinder-shaped compression spring (8).
5. needle bar of sewing machine separating mechanism according to claim 4, it is characterized in that: comprise the rocker arm shaft (9) be arranged on head shell (1) at described swing part, described rocker arm shaft (9) is fixedly installed inner rocker arm (10), described inner rocker arm (10) is fixedly connected with roll sleeve bearing pin (101), described roll sleeve bearing pin (101) arranges roll sleeve (102), and described roll sleeve (102) is arranged in the annular groove (51) of the son that is slidably connected (5).
6. needle bar of sewing machine separating mechanism according to claim 5, it is characterized in that: described rocker arm shaft (9) is connected with drive unit, described drive unit comprises cylinder (103), piston rod (104), arm-tie (105) and outer rocker arm (100), described piston rod (104) is fixedly connected with arm-tie (105), described arm-tie (105) is flexibly connected by screw (106) with one end of outer rocker arm (100), and the other end of described outer rocker arm (100) is fixedly connected with rocker arm shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416470.1A CN103498304B (en) | 2013-09-13 | 2013-09-13 | Needle bar of sewing machine separating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416470.1A CN103498304B (en) | 2013-09-13 | 2013-09-13 | Needle bar of sewing machine separating mechanism |
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| Publication Number | Publication Date |
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| CN103498304A CN103498304A (en) | 2014-01-08 |
| CN103498304B true CN103498304B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310416470.1A Active CN103498304B (en) | 2013-09-13 | 2013-09-13 | Needle bar of sewing machine separating mechanism |
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| CN (1) | CN103498304B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623729Y (en) * | 2003-02-09 | 2004-07-07 | 张武雄 | Clutch device for rotating shuttle drive shaft of sewing machine |
| CN201050006Y (en) * | 2007-06-08 | 2008-04-23 | 唐树勇 | Drive mechanism for sewing machine feeding system |
| CN203429399U (en) * | 2013-09-13 | 2014-02-12 | 浙江百惠缝纫机有限公司 | Sewing machine needle bar detaching mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3943132A1 (en) * | 1989-12-28 | 1991-07-04 | Duerkopp Adler Ag | Sewing machine - has needle shaft and thread supply drives flanking the needle shaft with a keyed drive link between their shafts |
| JP2002355482A (en) * | 2001-05-31 | 2002-12-10 | Juki Corp | Sewing machine |
-
2013
- 2013-09-13 CN CN201310416470.1A patent/CN103498304B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623729Y (en) * | 2003-02-09 | 2004-07-07 | 张武雄 | Clutch device for rotating shuttle drive shaft of sewing machine |
| CN201050006Y (en) * | 2007-06-08 | 2008-04-23 | 唐树勇 | Drive mechanism for sewing machine feeding system |
| CN203429399U (en) * | 2013-09-13 | 2014-02-12 | 浙江百惠缝纫机有限公司 | Sewing machine needle bar detaching mechanism |
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| CN103498304A (en) | 2014-01-08 |
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