CN202466174U - Shearing device for embroidery machine - Google Patents
Shearing device for embroidery machine Download PDFInfo
- Publication number
- CN202466174U CN202466174U CN2012200250836U CN201220025083U CN202466174U CN 202466174 U CN202466174 U CN 202466174U CN 2012200250836 U CN2012200250836 U CN 2012200250836U CN 201220025083 U CN201220025083 U CN 201220025083U CN 202466174 U CN202466174 U CN 202466174U
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- China
- Prior art keywords
- movable blade
- embroidery machine
- shift fork
- trimming
- knife
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Abstract
The utility model relates to a shearing device for an embroidery machine. The shearing device comprises a lower shaft horizontally arranged on a frame of the embroidery machine, a shearing cam and a scissor mechanism which are arranged on the lower shaft, and a scissor driving mechanism matched with the shearing cam, wherein the scissor mechanism comprises a rotating base which is arranged on the frame and can rotate around the center, a cambered movable knife which is fixedly arranged on the rotating base and can rotate around the circle center of the rotating base along with the rotating base, and a fixed knife which is fixed on the frame and can be matched with the cambered movable knife; a thread hooking corner and a thread separating corner which extend in the rotating direction of the movable knife are formed at the front end of the movable knife; a shearing knife edge is formed between the thread hooking corner and the thread separating corner; and the scissor driving mechanism is used for driving the rotating base to rotate, so that the movable knife can rotate between a stand-by position and a shearing position. The shearing device has the advantages that thick threads can be sheared, the cross sections of the threads are flat and are not fluffy and the like.
Description
Technical field
The utility model relates to a kind of embroidery machine cutting facility.
Background technology
What embroidery machine tradition trimming adopted is a kind of cutter that is similar to fish tail, and dead knife and movable blade are normally closed types.Tail colluded the line on the eedle is assigned to the back when movable blade went out cutter, by preceding colluding the line on the cloth was imported the edge of a knife when returning cutter, and movable blade and dead knife closure are cut short it.Because lining is thick material of multilayer or leather fabric, it is thick to embroider line, requires the tension force of line big, often occurs colluding less than line or with line at separated time, when colluding line and colludes hair, causes trimming unstable, and the product quality of embroidering out is descended, and percent defective increases, and production efficiency reduces.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, but a kind of cutting thick line and the smooth nonlinting embroidery machine cutting facility of upper thread section are provided.
The purpose of the utility model realizes through following technical scheme:
A kind of embroidery machine cutting facility; Comprise that transverse horizontal is arranged in lower shaft on the embroidery machine frame, is arranged at the trimming cam on the lower shaft; It is characterized in that: also comprise shear mechanism and the scissors driving mechanism that matches with the trimming cam; Said shear mechanism comprises the rotating seat that can be arranged at rotationally around the center on the frame, be fixedly set on the rotating seat and can be with rotating seat around the circular arc movable blade of its center of circle rotation and be fixed in the dead knife that can match with the circular arc movable blade on the frame; Said movable blade front end is formed with along what the movable blade direction of rotation was extended and colludes line angle and divide line angle and be formed with the trimming edge of a knife colluding line angle and divide between the line angle; Said scissors driving mechanism is used for driven in rotation seat rotation so that movable blade is rotated between position of readiness and trimming position, when movable blade is in position of readiness, the movable blade edge of a knife separates with the dead knife edge of a knife; When movable blade is in the trimming position, the movable blade edge of a knife and dead knife edge of a knife closure are carried out trimming.
Further; Said scissors driving mechanism; Comprise supporting base, can around the drive rod of fixing point swing, the cross bar that can laterally be arranged in movably on the supporting base and flexibly connect with drive rod, be articulated in connecting rod between drive rod and the rotary body, lateral arrangement in the guide post on the supporting base, be fixedly set on the cross bar and be formed with the gathering sill that matches with guide post the shift fork power transmission shaft, can be arranged in up and downly shift fork fulcrum post on the supporting base, can around the shift fork fulcrum post be arranged at shift fork on the shift fork fulcrum post rotationally, be arranged at the electromagnet that the shift fork fulcrum post moves up on the supporting base and be arranged at supporting base and the shift fork fulcrum post between be used for the spring that the shift fork fulcrum post moves down, said shift fork one end is provided with the driver slot that drive pin, the other end that can match with trimming cam locus groove are formed with and the activity of shift fork power transmission shaft cooperates.
Further, said cross bar one end is provided with axle bumper and rubber blanket.
Further, said drive rod is formed with the elongated hole that extends along its length direction, and said crossbar end is provided with the cutter driving piece, and the cutter driving piece is provided with and the movable latch that cooperates of the elongated hole of drive rod.
Further, the said trimming edge of a knife is roughly the V-shaped groove that extends along the movable blade direction of rotation, and the V-shaped groove afterbody is provided with the trimming sword.
Further, branch line angle one side of said movable blade is formed with roughly the V-arrangement that extends along the movable blade direction of rotation and divides wire casing.
Further; The utility model also comprises the embroidery machine wire-clamping device that is applicable to thick line; Comprise tension seat, be arranged on the tension seat and the clamp screw rod, the nut that is arranged at clamp screw rod upper end that connect vertically, be movably set in two thread tension discs on the clamp screw rod, be movably set in thread tension disc pressing plate on the clamp screw rod, be compressed in spring between thread tension disc pressing plate and the nut, be movably set in the clamp screw rod and the thimble that is connected with the thread tension disc pressing plate, loose ends motor and be arranged at outer peripheral face on the loose ends motor output shaft and follow closely the thimble that pin contacts and take turns; Said clamp screw rod epimere is formed with along its axially extended thimble slot to make way, and thimble is connected with the thread tension disc pressing plate through the thimble slot to make way.
Further, said thimble wheel is cam or eccentric wheel.
The utlity model has following beneficial effect:
What the dead knife of the utility model and movable blade adopted is open in usual, divides line angle and colludes line angle in same direction, in separated time, upper thread is imported the edge of a knife, separated time, colludes line stabilization, and trimming is stable, can be used for the cutting thick line, and the upper thread section is smooth phozy; Scissors driving mechanism solenoid actuated shift fork fulcrum post when work rises the drive pin of shift fork is combined with trimming cam locus groove; The swing of drive shift fork; The shift fork swing is converted into the rotation of rotating seat through shift fork power transmission shaft, cross bar and connecting rod; The final movable blade rotation trimming that drives has that transmission is accurate, reliable, the trimming miss ratio is low, is maintained as advantage such as this locality; Cross bar one end is provided with axle bumper and rubber blanket, and axle bumper can play spacing effect, and rubber blanket can play cushioning effect, reduces the wearing and tearing between parts, improves service life; The trimming edge of a knife is V-arrangement with the branch wire casing, can be used for guiding upper thread, prevents upper thread skew and trimming error, improves the trimming success rate; The wire-clamping device that the utility model provides selects the bigger spring of elastic force for use so that thick line reaches the desired tensile force of embroidery, and in the trimming step, carries out loose ends, thereby does not influence the operate as normal of trimming; When the needs trimming; Computer sends the trimming instruction, and the loose ends machine operation is rotated the thimble wheel, and the thimble wheel rotates and drives the thimble jack-up thread tension disc pressing plate of contact with it; Thereby make two thread tension discs discharge thick line, play the purpose of loose ends.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 is the structure chart of the utility model.
Fig. 2 is the johning knot composition of the utility model.
Fig. 3 is the structure chart of the movable blade of the utility model.
The structural representation of the wire-clamping device that Fig. 4 provides for the utility model.
The johning knot composition of the wire-clamping device that Fig. 5 provides for the utility model.
The specific embodiment
With reference to Fig. 1, Fig. 2 and shown in Figure 3, a kind of embroidery machine cutting facility comprises that transverse horizontal is arranged in lower shaft 3 on the embroidery machine frame 1, is arranged at trimming cam 4, shear mechanism on the lower shaft 3 and the scissors driving mechanism that matches with trimming cam 4.
Shear mechanism comprises the movable tool rest 511 that is arranged on the frame 1, can be arranged at rotating seat 51 on the movable tool rest 511 around the center rotationally, is fixedly set on the rotating seat 51 and can be fixed in the dead knife 53 that can match with circular arc movable blade 52 on the frame 1 around the circular arc movable blade 52 of its center of circle rotation and through fixing tool rest 531 with rotating seat 51.Movable blade 52 front ends are formed with along what movable blade 52 direction of rotation were extended and collude line angle 522 and divide line angle 521 and be formed with the trimming edge of a knife 524 colluding line angle 522 and divide between the line angle 521; The trimming edge of a knife 524 is roughly the V-shaped groove that extends along movable blade 52 direction of rotation; The V-shaped groove afterbody is provided with trimming sword 523, and branch line angle 521 1 sides of movable blade 52 are formed with the V-arrangement that roughly extends along movable blade 52 direction of rotation and divide wire casing 525.
The scissors driving mechanism; Comprise supporting base 2, through pivotal pin can swingingly be arranged at the drive rod 66 that drives on the pole socket 661 around fixing point, can laterally be arranged in movably on the supporting base 2 and with cross bar 62, the two ends of drive rod 66 flexible connections be articulated in through pivotal pin connecting rod 67 between drive rod 66 and the rotary body 51, lateral arrangement in the guide post on the supporting base 2 64, be fixedly set on the cross bar 62 and be formed with the gathering sill 631 that matches with guide post 64 shift fork power transmission shaft 63, can be arranged in shift fork fulcrum post 69 on the supporting base 2 up and downly, can be arranged at shift fork 61 on the shift fork fulcrum post 69 rotationally around shift fork fulcrum post 69, be arranged at supporting base 2 bottoms base plate 683, be arranged at the electromagnet 681 that shift fork fulcrum post 69 moves up on the base plate 683 and be arranged at supporting base 2 and shift fork fulcrum post 69 between be used for the spring 682 that shift fork fulcrum post 69 moves down; Shift fork 61 1 ends are provided with drive pin 612, the other end that can match with trimming cam 4 track grooves and are formed with and the shift fork power transmission shaft 63 movable driver slots 611 that cooperate; Cross bar 62 1 ends are provided with axle bumper 71 and rubber blanket 72; Drive rod 66 is formed with the elongated hole that extends along its length direction; Cross bar 62 ends are provided with cutter driving piece 65, and cutter driving piece 65 is provided with and the movable latch 651 that cooperates of the elongated hole of drive rod 66.
With reference to Fig. 4 and shown in Figure 5, be applicable to the embroidery machine wire-clamping device of thick line, comprise tabular tension seat 8, be arranged at crossing line component 81, being arranged at clamp turn-knob assembly 9 and upper thread detection components 82 on the tension seat 8 of tension seat 8 upper and lower parts.
Clamp turn-knob assembly 9; Comprise the clamp screw rod 93, the nut 98 that is arranged at clamp screw rod 93 upper ends that are arranged on the tension seat 8 and connect vertically, be movably set in two thread tension discs 95 on the clamp screw rod 93, be movably set in thread tension disc pressing plate 96 on the clamp screw rod 93, be compressed in tower spring 97 between thread tension disc pressing plate 96 and the nut 98, be movably set in the clamp screw rod 93 and the thimble 94 that is connected with thread tension disc pressing plate 96, be arranged at the loose ends motor 91 on the embroidery machine head and be arranged on loose ends motor 91 output shafts outer peripheral face through motor cabinet 911 and take turns 92 with the thimble of following closely 94 times end in contact of pin; Clamp screw rod 93 epimeres are formed with along its axially extended thimble slot to make way 931; Thimble 94 is connected with thread tension disc pressing plate 96 through thimble slot to make way 931, and thimble wheel 92 is cam or eccentric wheel.
Concrete working method is: when embroidery machine has been embroidered a pattern implementation trimming operation; Computer sends the trimming instruction; 91 work of loose ends motor are rotated thimble wheel 92; 92 rotations of thimble wheel drive the thimble 94 jack-up thread tension disc pressing plates 96 of contact with it, thereby make two thread tension discs 95 discharge thick lines, accomplish the preceding loose ends of trimming; Electromagnet 681 energisings, upwards jack-up shift fork fulcrum post 69 gets in the track groove of trimming cam 4 drive pin 612; Trimming cam 4 rotates, and orders about shift fork 61 and swings to the right, and shift fork 61 swings make shift fork power transmission shaft 63 laterally move along guide post 64; Be moved to the left thereby drive cross bar 62, making drive rod 66 is that fulcrum is swung left to be fixed in the pivotal pin that drives on the pole socket 661, and drivening rod 67 is swung left; Driven in rotation seat 51 certain angle that turns clockwise drives movable blade 52 rotations and is in the trimming position, and movable blade 52 is cut off line with dead knife 53 closures; When cross bar 62 was moved to the left, rubber blanket 72, axle bumper 71 played a part buffering and spacing; When trimming cam 4 is rotated further, order about shift fork 61 and swing left, movable blade 52 is separated with dead knife 53; Return to original position, electromagnet 681 outages, spring 682 is pressed down shift fork fulcrum post 69 by bounce-back and resets; Drive pin 612 resets, and trimming finishes.
The above; Be merely the preferred embodiment of the utility model; So can not limit the scope that the utility model is implemented with this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (9)
1. embroidery machine cutting facility; Comprise that transverse horizontal is arranged in lower shaft on the embroidery machine frame, is arranged at the trimming cam on the lower shaft; It is characterized in that: also comprise shear mechanism and the scissors driving mechanism that matches with the trimming cam; Said shear mechanism comprises the rotating seat that can be arranged at rotationally around the center on the frame, be fixedly set on the rotating seat and can be with rotating seat around the circular arc movable blade of its center of circle rotation and be fixed in the dead knife that can match with the circular arc movable blade on the frame; Said movable blade front end is formed with along what the movable blade direction of rotation was extended and colludes line angle and divide line angle and be formed with the trimming edge of a knife colluding line angle and divide between the line angle; Said scissors driving mechanism is used for driven in rotation seat rotation so that movable blade is rotated between position of readiness and trimming position, when movable blade is in position of readiness, the movable blade edge of a knife separates with the dead knife edge of a knife; When movable blade is in the trimming position, the movable blade edge of a knife and dead knife edge of a knife closure are carried out trimming.
2. a kind of embroidery machine cutting facility according to claim 1; It is characterized in that: said scissors driving mechanism; Comprise supporting base, can around the drive rod of fixing point swing, the cross bar that can laterally be arranged in movably on the supporting base and flexibly connect with drive rod, be articulated in connecting rod between drive rod and the rotary body, lateral arrangement in the guide post on the supporting base, be fixedly set on the cross bar and be formed with the gathering sill that matches with guide post the shift fork power transmission shaft, can be arranged in up and downly shift fork fulcrum post on the supporting base, can around the shift fork fulcrum post be arranged at shift fork on the shift fork fulcrum post rotationally, be arranged at the electromagnet that the shift fork fulcrum post moves up on the supporting base and be arranged at supporting base and the shift fork fulcrum post between be used for the spring that the shift fork fulcrum post moves down, said shift fork one end is provided with the driver slot that drive pin, the other end that can match with trimming cam locus groove are formed with and the activity of shift fork power transmission shaft cooperates.
3. a kind of embroidery machine cutting facility according to claim 2 is characterized in that: said cross bar one end is provided with axle bumper and rubber blanket.
4. a kind of embroidery machine cutting facility according to claim 2; It is characterized in that: said drive rod is formed with the elongated hole that extends along its length direction; Said crossbar end is provided with the cutter driving piece, and the cutter driving piece is provided with and the movable latch that cooperates of the elongated hole of drive rod.
5. according to arbitrary described a kind of embroidery machine cutting facility in the claim 1 to 4, it is characterized in that: the said trimming edge of a knife is roughly the V-shaped groove that extends along the movable blade direction of rotation, and the V-shaped groove afterbody is provided with the trimming sword.
6. according to arbitrary described a kind of embroidery machine cutting facility in the claim 1 to 4, it is characterized in that: branch line angle one side of said movable blade is formed with the V-arrangement that roughly extends along the movable blade direction of rotation and divides wire casing.
7. a kind of embroidery machine cutting facility according to claim 5 is characterized in that: branch line angle one side of said movable blade is formed with the V-arrangement that roughly extends along the movable blade direction of rotation and divides wire casing.
8. according to arbitrary described a kind of embroidery machine cutting facility in the claim 1 to 4; It is characterized in that: also comprise the embroidery machine wire-clamping device that is applicable to thick line; Comprise tension seat, be arranged on the tension seat and the clamp screw rod, the nut that is arranged at clamp screw rod upper end that connect vertically, be movably set in two thread tension discs on the clamp screw rod, be movably set in thread tension disc pressing plate on the clamp screw rod, be compressed in spring between thread tension disc pressing plate and the nut, be movably set in the clamp screw rod and the thimble that is connected with the thread tension disc pressing plate, loose ends motor and be arranged at outer peripheral face on the loose ends motor output shaft and follow closely the thimble that pin contacts and take turns; Said clamp screw rod epimere is formed with along its axially extended thimble slot to make way, and thimble is connected with the thread tension disc pressing plate through the thimble slot to make way.
9. a kind of embroidery machine cutting facility according to claim 8 is characterized in that: said thimble wheel is cam or eccentric wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200250836U CN202466174U (en) | 2012-01-19 | 2012-01-19 | Shearing device for embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200250836U CN202466174U (en) | 2012-01-19 | 2012-01-19 | Shearing device for embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202466174U true CN202466174U (en) | 2012-10-03 |
Family
ID=46914345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200250836U Withdrawn - After Issue CN202466174U (en) | 2012-01-19 | 2012-01-19 | Shearing device for embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202466174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535057A (en) * | 2012-01-19 | 2012-07-04 | 石狮市永信电脑设备制造有限公司 | Shearing device for embroidery machine |
| CN104452136A (en) * | 2014-11-20 | 2015-03-25 | 东华大学 | Automatic yarn hooking and shearing device for repairing artificial lawn |
-
2012
- 2012-01-19 CN CN2012200250836U patent/CN202466174U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535057A (en) * | 2012-01-19 | 2012-07-04 | 石狮市永信电脑设备制造有限公司 | Shearing device for embroidery machine |
| CN102535057B (en) * | 2012-01-19 | 2014-06-25 | 石狮市永信电脑设备制造有限公司 | Shearing device for embroidery machine |
| CN104452136A (en) * | 2014-11-20 | 2015-03-25 | 东华大学 | Automatic yarn hooking and shearing device for repairing artificial lawn |
| CN104452136B (en) * | 2014-11-20 | 2016-11-02 | 东华大学 | A kind of automatic hook repaired for chinampa cuts yarn device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |