CN105568581A - Computer embroidering machine with independent presser feet - Google Patents
Computer embroidering machine with independent presser feet Download PDFInfo
- Publication number
- CN105568581A CN105568581A CN201610019058.XA CN201610019058A CN105568581A CN 105568581 A CN105568581 A CN 105568581A CN 201610019058 A CN201610019058 A CN 201610019058A CN 105568581 A CN105568581 A CN 105568581A
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- Prior art keywords
- presser feet
- independent
- independent presser
- needle bar
- presser foot
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C5/00—Embroidering machines with arrangements for automatic control of a series of individual steps
- D05C5/02—Embroidering machines with arrangements for automatic control of a series of individual steps by electrical or magnetic control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a computer embroidering machine with independent presser feet. An independent presser foot connecting block and an independent presser foot reset spring are connected to each independent presser foot rod, and each independent presser foot connecting block is movably connected with an independent presser foot driver; each independent presser foot driver comprises a presser foot driving frame, a presser foot hitting block is hinged to each presser foot driving frame, and a reset torsion spring is arranged between each presser foot hitting block and the corresponding presser foot driving frame; a machine head main shaft and an independent presser foot driving shaft are arranged on machine heads in parallel, the machine head main shaft is used for driving needle rods, and the independent presser foot driving shaft is used for driving the independent presser foot rods. According to the computer embroidering machine with the independent presser feet, load increasing of a main shaft motor and overlarge abrasion of parts can be avoided, the service life can be prolonged, and the embroidering efficiency and the embroidering precision of the embroidering machine can be further improved.
Description
Technical field
The present invention relates to computerized emboridering machine.
Background technology
The presser feet of computer embroidering machine is all generally be pressed on fabric by shank by presser feet seat and presser feet spring, to make shank when rollback, reach the standard grade and form a wire loop at the eye of a needle place of eedle, the sharp hook of rotating shuttle can hook this wire loop simultaneously, revolve after turning around and entangle bottom line, then reach the standard grade and tighten up, computer embroidering machine just completes a thorn cloth action, creates a needle tracking on fabric simultaneously.
Existing presser foot drive is owing to being with shank a public main shaft, drive shank and presser feet to move up and down by this main shaft simultaneously, this makes mair motor load become large, the parts depreciation of shank drive part strengthens, service life declines, and is difficult to the efficiency and the embroidery precision that further improve embroidery machine.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of computerized emboridering machine with independent presser feet, avoids mair motor load excessive excessive with parts wear, improves service life, improves the embroidery efficiency of embroidery machine and precision of embroidering further.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of computerized emboridering machine with independent presser feet, several heads comprising girder and arrange along girder length direction, described head comprises head shell and the independent presser bar be located on head shell and needle bar frame, described needle bar frame is provided with shank, described independent presser bar is connected with independent presser feet contiguous block and independent presser feet back-moving spring, and described independent presser feet contiguous block is flexibly connected with independent presser foot driver; Described independent presser foot driver comprises presser feet bogie, described presser feet bogie is hinged with presser feet taping block, reduction torsion spring is provided with between described presser feet taping block and presser feet bogie, described presser feet taping block is flexibly connected with independent presser feet contiguous block, described presser feet taping block rotates and departs from independent presser feet contiguous block under drive source drives, and when drive source quits work, under reduction torsion spring effect, presser feet taping block is replied home position and is again connected with independent presser feet contiguous block; Described head is arranged with head spindle and independent presser feet driving shaft in parallel, described head spindle is for driving shank, and described independent presser feet driving shaft is for driving independent presser bar.
As preferably, described head spindle is driven by spindle motor, and described independent presser feet driving shaft is driven by independent presser feet drive motors.
As preferably, described head spindle and independent presser feet driving shaft are driven, by driving belt transmission between described head spindle and independent presser feet driving shaft by a public motor.
As preferably, described presser feet taping block comprises connecting portion and the attacking head that extends from connecting portion and reset portion, and through presser feet taping block pin in described connecting portion, described attacking head is flexibly connected with independent presser feet contiguous block, and described reset portion is connected with reduction torsion spring.
As preferably, on described presser feet taping block pin, overcoat has Compress Spring, and the plunger of presser feet taping block pin is positioned at above presser feet bogie, and described Compress Spring is between the plunger and presser feet bogie of presser feet taping block pin.
As preferably, described presser feet bogie is provided with limit shaft, and described limit shaft is for limiting the reset position of presser feet taping block.
As preferably, described drive source is electromagnet or motor, and described electromagnet or motor depart from fork by independent presser feet and drive the action of presser feet taping block.
As preferably, described presser feet bogie is provided with vertical bullport, and described bullport sliding outer cover is on guide rod.
As preferably, described needle bar frame comprises the added and needle bar frame undercarriage of needle bar frame, and shank bottom is passed from the needle bar hole of needle bar frame undercarriage, and the added and needle bar frame undercarriage of described needle bar frame is fixed as one.
The technical solution used in the present invention, increase independent presser feet driving shaft and corresponding independent presser feet drive motors, independent presser feet drive motors drives independent presser feet driving shaft, and original spindle motor is only for driving head spindle, achieve being separated of independent presser foot drive and other drive parts of head, therefore spindle motor load can be avoided to become large and parts depreciation is excessive, improve service life, improve the embroidery efficiency of embroidery machine and precision of embroidering further.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation one of head;
Fig. 2 is the structural representation two of head;
Fig. 3 is the structural representation of independent presser foot driver;
Fig. 4 is the structural representation by driving belt transmission between head spindle and independent presser feet driving shaft;
Fig. 5 is the structural representation one of needle bar frame;
Fig. 6 is the structural representation two of needle bar frame.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of computerized emboridering machine, comprise frame and be located at the girder in frame, girder is horizontally disposed with, girder length direction is provided with several heads 1, and head 1 comprises head shell 10 and the independent presser foot device be located on head shell 10 and needle bar mechanism.
Wherein, independent presser foot device comprises independent presser bar 14, independent presser bar 14 lower end is fixed with independent presser feet 15, independent presser bar 14 is connected with independent presser feet contiguous block 17 and independent presser feet back-moving spring 16, described independent presser feet contiguous block 17 is connected with guide plate 18, guide plate 18 guides independent presser feet contiguous block 17 to move up and down, described independent presser feet contiguous block 17 is flexibly connected with independent presser foot driver 2, independent presser foot driver 2 drives independent presser bar 14 and independent presser feet 15 synchronously to rise by promoting independent presser feet contiguous block 17, independent presser feet back-moving spring 16 promotes it and resets downwards after independent presser bar 14 and independent presser feet 15 promote.
Head 1 is arranged with head spindle 12 and independent presser feet driving shaft 11 in parallel, several heads 1 that girder length direction is arranged share this root head spindle 12 and this root independence presser feet driving shaft 11.Head spindle 12 is for driving shank 35 and thread take-up mechanism 121, and independent presser feet driving shaft 11 is for driving independent presser bar 14.
As shown in Figure 4, head spindle 12 and independent presser feet driving shaft 11 can be driven by a public motor, namely by a public power prow first driving machine head main shaft 12, pass through driving belt 113 transmission between head spindle 12 and independent presser feet driving shaft 11 simultaneously, then make head spindle 12 drive independent presser feet driving shaft 11.Certainly, in order to avoid sharing a motor, cause this motor load excessive, head spindle 12 and independent presser feet driving shaft 11 can be driven by independent motor respectively, namely head spindle 12 is driven by spindle motor, and independent presser feet driving shaft 11 is driven by independent presser feet drive motors.
To drive with shank owing to making presser feet and be separated, spindle motor load therefore can be avoided to become large and parts depreciation excessive, improve service life, improve the embroidery efficiency of embroidery machine and precision of embroidering further.And the parts therefore on shank are reduced, and realize lightweight.In addition, because the load on needle bar drive device almost reduces half, improve stability and the service life of needle bar drive device, reduce flight-line maintenance rate, make the speed of service of mechanism be greatly improved simultaneously.
Wherein, drive mechanism between independent presser feet driving shaft 11 and independent presser bar 14 comprises independent presser feet big connecting rod 111, independent presser feet small rod 112, independent presser feet driving shaft 11 is connected with the first end of independent presser feet big connecting rod, second end of independent presser feet big connecting rod and the first end of independent presser feet small rod hinged, the second end of independent presser feet small rod is connected with independent presser foot driver 2.
As shown in Figure 3, independent presser foot driver 2 comprises presser feet bogie 20, and the second end and the independent presser feet bogie 20 of independent presser feet small rod are hinged.Described presser feet bogie 20 is hinged with presser feet taping block 21, described presser feet taping block 21 is flexibly connected with independent presser feet contiguous block 17, reduction torsion spring 24 is provided with between described presser feet taping block 21 and presser feet bogie 20, described presser feet taping block 21 rotates and departs from independent presser feet contiguous block 17 under drive source drives, and when drive source quits work, under reduction torsion spring 24 acts on, presser feet taping block 21 replys home position.
Described presser feet taping block 21 comprises connecting portion and the attacking head 211 that extends from connecting portion and reset portion 212, described connecting portion is through presser feet taping block pin 22, described attacking head 211 is flexibly connected with independent presser feet contiguous block 17, and described reset portion 212 is connected with reduction torsion spring 24.On described presser feet taping block pin 22, overcoat has Compress Spring 23, and the plunger of presser feet taping block pin 22 is positioned at above presser feet bogie 20, and described Compress Spring 23 is between the plunger and presser feet bogie 20 of presser feet taping block pin.Described presser feet bogie 20 is provided with limit shaft 25, and described limit shaft 25 is for limiting the reset position of presser feet taping block 21.Described drive source is electromagnet or motor 13.Electromagnet or motor 13 are installed by mounting bracket 131, and electromagnet or motor 13 depart from fork 132 by independent presser feet and drive the action of presser feet taping block.
Described presser feet bogie 20 is provided with vertical bullport 203, and bullport inner sleeve has presser foot driver axle sleeve, and presser foot driver axle sleeve sliding outer cover is on guide rod 101, and guide rod 101 guides independent presser foot driver 2 to slide up and down.Before the front side of presser feet bogie 20 is provided with protuberance 201, rear side be provided with after protuberance 202, hinged presser feet taping block pin 22 on front protuberance, front protuberance is provided with voided layer 204, be enclosed within presser feet taping block pin 22 outside reduction torsion spring 24 main body, and being positioned at the space of voided layer 204, rear protuberance is hinged with the second end of independent presser feet small rod by presser foot driver pin 26.
When occurring to produce centered by presser feet taping block pin 22 to turn clockwise under the driving of presser feet taping block 21 at electromagnet or motor 13, thus reach the object departing from independent presser feet contiguous block 17, under driving with the elastic force of reduction torsion spring 24, origin-location is returned to when electromagnet or motor 13 quit work, limit shaft 25 limits its position, if and embroider time web surface embroidery pattern have certain height, presser feet taping block 21 can also centered by presser feet taping block pin 22 simultaneously certain amplitude move up and down.
The presser foot driver of existing presser foot drive can not be separated with presser feet contiguous block, when most of head does not need embroidery, presser feet still can move up and down with main shaft, again push down the style of having embroidered, certain injury can be caused to the style embroidered like this.
Because presser foot driver independent in the present invention can depart from independent presser feet contiguous block, therefore need to depart from motor or work of electromagnet by presser feet when doing and mend pin action at embroidery machine, drive the independent presser feet be attached thereto depart from fork thus allow independent presser foot driver be separated with independent presser feet contiguous block, complete a complete presser feet and depart from action.Like this, when indivedual head needs to mend embroidery benefit pin time, can close not needing the head mending pin, independent presser foot driver and independent presser feet are departed from, avoid occurring that when mending and embroidering not needing to mend the head presser feet embroidered repeats to pat the style extruding and embroidered, also style would not be caused to lose shape, and embroidery quality can be better.
As shown in Figure 5 and Figure 6, needle bar mechanism comprises needle bar frame 3, and needle bar frame 3 comprises needle bar frame added 31 and needle bar frame undercarriage 32, and the bottom of shank 35 is passed from the needle bar hole of needle bar frame undercarriage 32, and described needle bar frame added 31 and needle bar frame undercarriage 32 are fixed as one.Described needle bar frame is added comprises the left and right sides side plate 311 be arranged side by side and the crossbeam 322 being connected biside plate top.The two ends, left and right of described needle bar frame undercarriage 32 are provided with the locating slot of U-shaped opening, location division 313 is provided with bottom the biside plate of described needle bar frame added 31, described location division 313 embeds locating slot, described side plate is provided with positioning step on the upside of location division, described positioning step positions needle bar frame undercarriage, is then placed on the added bottom of needle bar frame under needle bar frame and is connected by screw.
Wherein, needle bar mechanism also comprises hour hand bar limit shaft 37, hour hand bar back-moving spring 36, top dead-centre limiting plate 34, bottom dead centre block 33.Hour hand bar limit shaft 37 and shank 35 front and back on needle bar frame 3 are arranged side by side, hour hand bar limit shaft upper end is fixed on top dead-centre limiting plate 34, lower end is arranged on needle bar frame undercarriage 32, hour hand bar back-moving spring 36 is enclosed within hour hand bar limit shaft 37, bottom dead centre block 33 is located at shank 35 upper end and is positioned at below top dead-centre limiting plate 34, bottom dead centre block 33 is provided with U-shaped portion, is enclosed within hour hand bar limit shaft 37 outside U-shaped portion, guides shank 35 slide up and down and act on hour hand bar back-moving spring 36.Top dead-centre limiting plate 34 is fixed on needle bar frame 3 by the fixed screw at two ends, and the corresponding fixed screw of needle bar frame 3 is provided with screw hole.
Needle bar drive device comprises eccentric cam, cam link, three connecting rods, and eccentric cam is fixed on head spindle, and head spindle drives eccentric cam motion.The first end that the intermediate ends of three connecting rods is connected by third connecting rod pin and cam is hinged, second end of described cam link is provided with roller, described roller is located in the cam path of eccentric cam, the first end of described three connecting rods is articulated with on head shell by first connecting rod pin, described three connecting rod second ends by second connecting rod pin and synchronising (connecting) rod hinged, synchronising (connecting) rod by needle bar driver drive shank motion.
Thread take-up mechanism 121 comprises thread take-up cam, cam link, thread take-up tension lever, take-up tooth assembly, thread take-up cam is fixed on head spindle together with eccentric cam, the first end of cam link is provided with Cam ball, described Cam ball is located in the cam path of thread take-up cam, be connected by thread take-up tension lever alignment pin between second end of described cam link and the first end of thread take-up tension lever, described take-up tooth assembly is located on thread take-up tension lever axle, upper thread is installed with in described take-up tooth assembly, second end of described thread take-up tension lever is provided with take-up ball and matches with the serrate slot of take-up tooth assembly, described thread take-up tension lever drives take-up tooth assembly, thread take-up tension lever second end is provided with take-up ball, take-up ball is installed on ball pin, take-up ball matches with the serrate slot of take-up tooth assembly.
The presser feet of computer embroidering machine is all generally combine by one independently needle bar frame being equipped with many minute hand bars and corresponding supporting top dead-centre block and bottom dead centre block, because existing needle bar frame is monolithic construction, requirement on machining accuracy is caused to uprise, and the rigid of minute hand bar declines, what become when thick fabric embroidered by embroidery machine is more difficult, wearing and tearing strengthen, easy broken needle.
Because needle bar frame adopts Split type structure, adopt hour hand bar, structure is more reasonable simultaneously, when the upper and lower stroke of shank is constant, shortening shank length (shortening 42.5%) makes shank intensity under the constant prerequisite of diameter improve, and wearing and tearing reduce, and precision improves.Due to original needle bar frame is split into two pieces of parts, be divided into critical piece and minor components to make processing with different materials respectively, can component costs be effectively reduced like this, improve component processing precision and service life.
Concrete, the aluminum alloy materials of the added general use 6061-T6 of needle bar frame, needle bar frame undercarriage uses the aluminum alloy materials of 7075-T6, this bi-material differs 57% in mechanical property, the material hardness of 6061-T6 is generally between 90-95HB, 7075-T6 material hardness is between 150HB, and simultaneously, price differs about 50 pieces/kilogram, therefore can effectively reduce costs.
Needle bar frame undercarriage is processed separately and is controlled well the front-rear center comparison of coherence of all needle bar holes simultaneously, can be brought up between 0.01 to 0.02 by the precision of original 0.03 millimeter.The processing length of single needle bar hole shortens to 36 millimeters by original 120 millimeters simultaneously.Such pin hole adds the perpendicularity in man-hour, and it is meticulousr that circularity and fineness equally accurate just can control.
The each top dead-centre of needle bar frame of the prior art will go debugging one by one, in the present invention, top dead-centre limiting plate 34 is fixed by two terminal screws, as long as the top dead-centre that the screw at adjustment two ends just can reserve all shanks on single needle bar frame is spacing, saves time, raise the efficiency.
This just causes shank back-moving spring can only be contained in shank top each minute hand bar on existing each needle bar frame independent presser feet and presser feet spring, and bottom is used for dress presser feet spring.Now owing to adopting independent presser feet, presser feet is separated with shank, a head only has a presser feet, and presser feet was contained on casing by being originally contained on needle bar frame instead, the back-moving spring on such shank top can move on to shank bottom, simultaneously minute hand bar upper part just can brachymemma, and circularity and the precision of beating of hour hand bar are adding can control man-hour meticulousr simultaneously.This structure can well complete the motion process of shank thorn cloth, increases shank thorn cloth effect, improves the rigid of shank, reduces friction and improves the operating efficiency that shank stings thick fabric simultaneously.Reduce the processing request of needle bar frame, increase work efficiency.
Claims (9)
1. the computerized emboridering machine of the independent presser feet of band, several heads comprising girder and arrange along girder length direction, described head comprises head shell and the independent presser bar be located on head shell and needle bar frame, described needle bar frame is provided with shank, described independent presser bar is connected with independent presser feet contiguous block and independent presser feet back-moving spring, and described independent presser feet contiguous block is flexibly connected with independent presser foot driver; Described independent presser foot driver comprises presser feet bogie, described presser feet bogie is hinged with presser feet taping block, reduction torsion spring is provided with between described presser feet taping block and presser feet bogie, described presser feet taping block is flexibly connected with independent presser feet contiguous block, described presser feet taping block rotates and departs from independent presser feet contiguous block under drive source drives, and when drive source quits work, under reduction torsion spring effect, presser feet taping block is replied home position and is again connected with independent presser feet contiguous block; Described head is arranged with head spindle and independent presser feet driving shaft in parallel, described head spindle is for driving shank, and described independent presser feet driving shaft is for driving independent presser bar.
2. a kind of computerized emboridering machine with independent presser feet according to claim 1, is characterized in that: described head spindle is driven by spindle motor, and described independent presser feet driving shaft is driven by independent presser feet drive motors.
3. a kind of computerized emboridering machine with independent presser feet according to claim 1, is characterized in that: described head spindle and independent presser feet driving shaft are driven, by driving belt transmission between described head spindle and independent presser feet driving shaft by a public motor.
4. a kind of computerized emboridering machine with independent presser feet according to claim 1, it is characterized in that: described presser feet taping block comprises connecting portion and the attacking head that extends from connecting portion and reset portion, through presser feet taping block pin in described connecting portion, described attacking head is flexibly connected with independent presser feet contiguous block, and described reset portion is connected with reduction torsion spring.
5. a kind of computerized emboridering machine with independent presser feet according to claim 4, it is characterized in that: on described presser feet taping block pin, overcoat has Compress Spring, the plunger of presser feet taping block pin is positioned at above presser feet bogie, and described Compress Spring is between the plunger and presser feet bogie of presser feet taping block pin.
6. a kind of computerized emboridering machine with independent presser feet according to claim 1, it is characterized in that: described presser feet bogie is provided with limit shaft, described limit shaft is for limiting the reset position of presser feet taping block.
7. a kind of computerized emboridering machine with independent presser feet according to claim 1, is characterized in that: described drive source is electromagnet or motor, and described electromagnet or motor depart from fork by independent presser feet and drive the action of presser feet taping block.
8. a kind of computerized emboridering machine with independent presser feet according to claim 1, it is characterized in that: described presser feet bogie is provided with vertical bullport, described bullport sliding outer cover is on guide rod.
9. a kind of computerized emboridering machine with independent presser feet according to claim 1, it is characterized in that: described needle bar frame comprises the added and needle bar frame undercarriage of needle bar frame, shank bottom is passed from the needle bar hole of needle bar frame undercarriage, and described needle bar frame is added to be fixed as one with needle bar frame undercarriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019058.XA CN105568581B (en) | 2016-01-13 | 2016-01-13 | A kind of computerized emboridering machine of band independence presser feet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019058.XA CN105568581B (en) | 2016-01-13 | 2016-01-13 | A kind of computerized emboridering machine of band independence presser feet |
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| Publication Number | Publication Date |
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| CN105568581A true CN105568581A (en) | 2016-05-11 |
| CN105568581B CN105568581B (en) | 2018-04-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108457020A (en) * | 2018-02-11 | 2018-08-28 | 浙江信胜缝制设备有限公司 | A kind of foot device and embroidery machine for embroidery machine |
| CN109440320A (en) * | 2018-12-30 | 2019-03-08 | 浙江越隆缝制设备有限公司 | The machine head of embroidery machine of internal detachable maintenance |
| CN110318178A (en) * | 2018-03-30 | 2019-10-11 | 天津宝盈电脑机械有限公司 | A kind of computerized emboridering machine independence presser foot drive |
| CN110409076A (en) * | 2019-08-20 | 2019-11-05 | 泉州市淘瀛鞋服制造科技有限公司 | A kind of computer disk embroidery eedle bar foot device |
| CN113123032A (en) * | 2021-05-19 | 2021-07-16 | 浙江越隆缝制设备有限公司 | Double-power embroidery machine |
| CN113388974A (en) * | 2021-07-16 | 2021-09-14 | 汝州玛雅机电科技有限公司 | Embroidery machine presser foot control system |
| CN114351362A (en) * | 2020-10-13 | 2022-04-15 | 诸暨玛雅电器机械有限公司 | Independent presser foot driving mechanism |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457020A (en) * | 2018-02-11 | 2018-08-28 | 浙江信胜缝制设备有限公司 | A kind of foot device and embroidery machine for embroidery machine |
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| CN110409076A (en) * | 2019-08-20 | 2019-11-05 | 泉州市淘瀛鞋服制造科技有限公司 | A kind of computer disk embroidery eedle bar foot device |
| CN110409076B (en) * | 2019-08-20 | 2024-01-16 | 泉州市睿美科绣花科技有限公司 | Needle bar presser foot device of computer disc embroidery machine |
| CN114351362A (en) * | 2020-10-13 | 2022-04-15 | 诸暨玛雅电器机械有限公司 | Independent presser foot driving mechanism |
| CN113123032A (en) * | 2021-05-19 | 2021-07-16 | 浙江越隆缝制设备有限公司 | Double-power embroidery machine |
| CN113388974A (en) * | 2021-07-16 | 2021-09-14 | 汝州玛雅机电科技有限公司 | Embroidery machine presser foot control system |
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| Publication number | Publication date |
|---|---|
| CN105568581B (en) | 2018-04-13 |
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