CN110079941B - Line sweeping device of electronic pattern sewing machine - Google Patents
Line sweeping device of electronic pattern sewing machine Download PDFInfo
- Publication number
- CN110079941B CN110079941B CN201810079527.6A CN201810079527A CN110079941B CN 110079941 B CN110079941 B CN 110079941B CN 201810079527 A CN201810079527 A CN 201810079527A CN 110079941 B CN110079941 B CN 110079941B
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- swing arm
- lifting block
- bar
- rotating shaft
- line sweeping
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B53/00—Thread- or cord-laying mechanisms; Thread fingers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2209/00—Use of special materials
- D05D2209/08—Use of special materials elastic, e.g. rubber spring
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a line sweeping device of an electronic pattern sewing machine, and belongs to the technical field of garment manufacturing equipment. The line sweeping device solves the technical problems that the line sweeping device of the existing electronic pattern machine is complex in structure and not easy to control. The electronic pattern sewing machine comprises a presser bar capable of moving up and down in a reciprocating manner and a presser foot arranged at the lower end of the presser bar, the line sweeping device comprises a line sweeping bar, an installation frame and a lifting block fixedly arranged on the presser bar, a rotating shaft and a swinging arm capable of driving the rotating shaft to rotate in a reciprocating manner are arranged on the installation frame, the swinging arm is positioned above the lifting block, the lifting block can be contacted with the swinging arm and drive the swinging block to swing when moving upwards along with the presser bar, one end of the line sweeping bar is connected to the rotating shaft, and the other end of the line sweeping bar extends to the presser foot; the mounting frame is also provided with an elastic reset piece which can reset the rotating shaft. The line sweeping device is simple in structure, accurate in control and low in use cost.
Description
Technical Field
The invention belongs to the technical field of garment manufacturing equipment, relates to an electronic pattern sewing machine, and particularly relates to a line scanning device of the electronic pattern sewing machine.
Background
The electronic pattern machine is a machine used in modern handbag factories, shoe factories, bag factories, garment factories, leather products factories and furniture factories, can realize the traditional manual pattern with high speed and high efficiency, and can also realize the requirements of multilayer, multifunction, unity and perfectness which cannot be met by the manual pattern. It is an electromechanical product which embodies various high and new technologies. The aircraft nose department of electron style machine can set up usually and be used for dialling the line, prevent that the suture from piling up and winding sweep the line device, and traditional sweep the line device and adopt the electro-magnet to promote to sweep the line crank, and then drive to sweep the line pole and rotate and accomplish to sweep the line action, and it has following 4 problems: 1. the electromagnet is driven, so that the stability is poor; 2. the electromagnet needs a separate power line to provide electric energy to realize action, so that the energy saving performance is poor; 3. the action angle of the line sweeping rod is directly adjusted and is not easy to control; 4. the line sweeping device has excessive parts, high production cost and difficult assembly and maintenance.
Chinese patent (publication No. CN205368709U, published as 2016-07-06) discloses a thread sweeping device of a sewing machine, which comprises a sewing machine head, wherein the bottom of the front end of the sewing machine head is fixedly provided with a thread sweeping mounting rack, the thread sweeping mounting rack is provided with a rotatable thread sweeping driving shaft, one end of the thread sweeping driving shaft is connected with a thread sweeping hook, and the other end of the thread sweeping driving shaft is connected with a thread sweeping driver; a thread clamping mounting seat is fixed at the bottom of the sewing machine head, and a thread clamping driver is arranged on the thread clamping mounting seat; the driving rod of the thread clamping driver is connected with a thread clamping rod which can fix the thread on the thread clamping mounting seat; one end of the wire sweeping hook is fixedly connected with the wire sweeping driving shaft, and the other end of the wire sweeping hook is provided with a V-shaped opening; the root of the V-shaped opening is provided with a wire storage groove for accommodating a wire; the middle part of the thread sweeping mounting frame is fixedly connected with the sewing machine head through a screw; two ends of the sweeping line mounting rack are bent downwards and provided with through holes for mounting the sweeping line driving shaft.
The wire sweeping device in the patent document adopts the air cylinder to drive the wire sweeping hook, and still has the problems of more parts, additional power source, difficulty in control and the like.
Disclosure of Invention
The invention provides a line scanning device of an electronic pattern machine aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to provide a simple structure, control accurate and use low-cost sweep line device in electron style machine.
The purpose of the invention can be realized by the following technical scheme:
a line sweeping device of an electronic pattern machine comprises a presser bar capable of moving up and down in a reciprocating mode and a presser foot arranged at the lower end of the presser bar, and is characterized in that the line sweeping device comprises a line sweeping bar, an installation frame and a lifting block fixedly arranged on the presser bar, a rotating shaft and a swinging arm capable of driving the rotating shaft to rotate in a reciprocating mode are arranged on the installation frame, the swinging arm is located above the lifting block, the lifting block can be in contact with the swinging arm and drive the swinging block to swing when moving upwards along with the presser bar, one end of the line sweeping bar is connected to the rotating shaft, and the other end of the line sweeping bar extends to the position of the presser foot; and the mounting frame is also provided with an elastic resetting piece capable of resetting the rotating shaft.
The principle is as follows: when one section sewing work is finished, presser foot rod and presser foot lifting, the presser foot rod drives the lifting block to be lifted to the preset height synchronously, thereby this in-process, the lifting block contacts with the swing arm and drives the one end upward movement of swing arm and forms the swing, the other end of swing arm turns into drive pivot pivoted torsion, the pivot is rotated and is driven the swing of sweeping the line pole again, sweep the tip of line pole and stir the suture and accomplish the action of sweeping the line, after presser foot rod and presser foot moved down, pivot and sweep the line pole reset under the effect of elasticity reset piece. According to the technical scheme, the lifting acting force of the presser foot rod is reasonably utilized, the original driving force of the electronic pattern machine is used for driving the line sweeping rod, and the mode that the line sweeping rod is driven by an electromagnet in the prior art is replaced, so that the driving source is simplified, and the method is more energy-saving, efficient, stable and reliable; meanwhile, the structure is simpler, the occupied space is small, the device is economical and efficient, and the assembly and the maintenance are convenient.
In the line sweeping device of the electronic pattern sewing machine, the mounting frame is further provided with a driving shaft capable of rotating, the swing arm is connected to one end of the driving shaft, the other end of the driving shaft is fixedly provided with the sector gear, and the end part of one end of the rotating shaft is fixedly provided with the transmission gear meshed with the sector gear. According to the technical scheme, the sector gear is meshed with the transmission gear to perform torque transmission, the torque transmission is accurate and efficient, and the action angle of the line sweeping rod can be accurately controlled by adjusting the installation angle of the sector gear.
In the line sweeping device of the electronic pattern sewing machine, the swing arm is strip-shaped, the swing arm is arranged along the radial direction of the driving shaft, one end of the swing arm is provided with a mounting hole and sleeved at the end part of the driving shaft through the mounting hole, and the other end of the swing arm can swing around the central axis of the driving shaft under the driving of the lifting block; one end of the wire sweeping rod is inserted into the end part of the other end of the rotating shaft along the radial direction of the rotating shaft, and the other end of the wire sweeping rod is provided with a hook.
In the line sweeping device of the electronic pattern sewing machine, the side face, close to the other end, of the swing arm is fixedly provided with the connecting pin, the connecting pin is provided with the roller, and the lifting block can be in contact with the peripheral face of the roller. Sliding friction is changed into rolling friction through the arrangement of the idler wheels, so that the device is more accurate and efficient, and reduces abrasion.
In the line sweeping device of the electronic pattern sewing machine, the elastic reset piece is a torsion spring, the torsion spring is sleeved on the driving shaft, and two ends of the torsion spring are respectively connected to the mounting frame and the swing arm. The reset of the wire sweeping rod and the rotating shaft is effectively realized through the torsion spring, the manufacturing cost is low, and the assembly is convenient.
In the line sweeping device of the electronic pattern sewing machine, the mounting frame is further fixedly provided with a limiting pin, the limiting pin is located below the driving shaft, and when the swing arm swings downwards, the middle of the lower side of the swing arm can abut against the limiting pin. Through the spacing of spacer pin, be in same position all the time when guaranteeing to sweep the line pole and reset, it is accurate reliable.
In the sweep line device of foretell electron style machine, the promotion piece is the tube-shape, promote the piece cover and establish on the presser bar and be close to the lower extreme of presser bar, the support bar that extends has on the outer peripheral face of promotion piece, the support bar is located under the gyro wheel, still be equipped with on the outer peripheral face of promotion piece and promote the piece locking and be in locking screw on the presser bar. The supporting strip is used for contacting with the roller; the working surface on the supporting bar pushes the roller to drive the swing arm to swing, thereby driving the rotation of the rotating shaft and the swing of the line sweeping rod.
In the line sweeping device of the electronic pattern sewing machine, the end part of the rotating shaft is connected with the connecting shaft, the peripheral surface of the connecting shaft is provided with a key groove along the length direction, the transmission gear is fixedly connected with the connecting shaft in the circumferential direction through a connecting key in the key groove, and the length of the key groove is at least twice of the thickness of the transmission gear. The transmission gear adopts a movable matching mode of a connecting key and a key groove, the transmission is stable, and the meshing between the sector gear and the transmission gear can be released by moving the transmission gear, so that the opening and closing functions of the line sweeping function are realized.
Alternatively, the sector gear can be connected by adopting the structure, and the purpose of staggering the sector gear and the transmission gear is achieved by moving the sector gear.
Compared with the prior art, the line sweeping device has the following advantages:
1. the line sweeping device reasonably utilizes the lifting acting force of the presser bar, uses the original driving force of the electronic pattern machine to drive the line sweeping bar, replaces the mode of driving the line sweeping bar by adopting an electromagnet in the prior art, simplifies the driving source, and is more energy-saving, efficient, stable and reliable; meanwhile, the structure is simpler, the occupied space is small, the device is economical and efficient, and the assembly and the maintenance are convenient.
2. The line sweeping device can realize accurate control of the action angle of the line sweeping rod by adjusting the installation angle of the sector gear; meanwhile, the transmission gear adopts a movable matching mode of a connecting key and a key groove, so that the meshing of the sector gear and the transmission gear can be released, and the opening and closing functions of the line sweeping function are realized.
Drawings
Fig. 1 is a schematic perspective view of the present wire sweeping device.
Fig. 2 is a schematic perspective view of the present sweeping apparatus.
In the figure, 1, a presser foot rod; 2. a presser foot; 3. a line sweeping rod; 31. hooking; 4. a mounting frame; 5. a lifting block; 51. a supporting strip; 52. locking the screw; 6. a rotating shaft; 7. swinging arms; 71. mounting holes; 8. an elastic reset member; 81. a torsion spring; 9. a drive shaft; 10. a sector gear; 11. a transmission gear; 12. a connecting pin; 13. a roller; 14. a spacing pin; 15. and (7) connecting the shafts.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the electronic pattern machine comprises a presser bar 1 capable of moving up and down in a reciprocating manner and a presser foot 2 arranged at the lower end of the presser bar 1, the thread sweeping device comprises a thread sweeping bar 3, an installation frame 4 and a lifting block 5 fixedly arranged on the presser bar 1, a rotating shaft 6 and a swing arm 7 capable of driving the rotating shaft 6 to rotate in a reciprocating manner are arranged on the installation frame 4, the swing arm 7 is positioned above the lifting block 5, the lifting block 5 can be contacted with the swing arm 7 and drive the swing arm to swing when moving upwards along with the presser bar 1, one end of the thread sweeping bar 3 is connected to the rotating shaft 6, and the other end of the thread sweeping bar 3 extends to the presser foot 2; the mounting frame 4 is also provided with an elastic reset piece 8 which can reset the rotating shaft 6. Furthermore, a driving shaft 9 capable of rotating is further arranged on the mounting frame 4, the swing arm 7 is connected to one end of the driving shaft 9, a sector gear 10 is fixedly arranged at the other end of the driving shaft 9, and a transmission gear 11 meshed with the sector gear 10 is fixedly arranged at one end of the rotating shaft 6; the swing arm 7 is strip-shaped, the swing arm 7 is arranged along the radial direction of the driving shaft 9, one end of the swing arm 7 is provided with a mounting hole 71 and is sleeved at the end part of the driving shaft 9 through the mounting hole 71, and the other end of the swing arm 7 can swing around the central axis of the driving shaft 9 under the driving of the lifting block 5; one end of the wire sweeping rod 3 is inserted into the end part of the other end of the rotating shaft 6 along the radial direction of the rotating shaft 6, and the other end of the wire sweeping rod 3 is provided with a hook 31; and a connecting pin 12 is fixedly arranged on the side surface of the swing arm 7 close to the other end, a roller 13 is arranged on the connecting pin 12, and the lifting block 5 can be in contact with the peripheral surface of the roller 13. When one section sewing work is finished, presser bar 1 and presser foot 2 are lifted, presser bar 1 drives lifting block 5 to be lifted to a preset height synchronously, in the process, lifting block 5 contacts with swing arm 7 and drives one end of swing arm 7 to move upwards to form swing, the other end of swing arm 7 is converted into torque for driving rotating shaft 6 to rotate, rotating shaft 6 rotates to drive wire sweeping rod 3 to swing, the end of wire sweeping rod 3 stirs a suture to finish wire sweeping, and after presser bar 1 and presser foot 2 move downwards, rotating shaft 6 and wire sweeping rod 3 reset under the action of elastic reset piece 8. The line sweeping device reasonably utilizes the lifting acting force of the presser foot rod 1, uses the original driving force of the electronic pattern machine to drive the line sweeping rod 3, replaces the mode of driving the line sweeping rod 3 by an electromagnet in the prior art, simplifies the driving source, and is more energy-saving, efficient, stable and reliable; meanwhile, the structure is simpler, the occupied space is small, the device is economical and efficient, and the assembly and the maintenance are convenient.
As shown in fig. 1, in the present embodiment, the elastic reset member 8 is a torsion spring 81, the torsion spring 81 is sleeved on the driving shaft 9, two ends of the torsion spring 81 are respectively connected to the mounting frame 4 and the swing arm 7, the reset of the wire sweeping rod 3 and the rotating shaft 6 is effectively realized through the torsion spring 81, and the manufacturing cost is low and the assembly is convenient; still set firmly spacer pin 14 on the mounting bracket 4, spacer pin 14 is located the below of drive shaft 9, and when swing arm 7 swung downwards, the downside middle part of swing arm 7 can support with spacer pin 14 and lean on, and spacing through spacer pin 14 guarantees to be in same position all the time when sweeping line pole 3 resets, and is accurate reliable.
Further, as shown in fig. 1 and 2, the lifting block 5 is cylindrical, the lifting block 5 is sleeved on the presser bar 1 and is close to the lower end of the presser bar 1, a support bar 51 extending out is arranged on the outer peripheral surface of the lifting block 5, the support bar 51 is positioned right below the roller 13, and a locking screw 52 for locking the lifting block 5 on the presser bar 1 is further arranged on the outer peripheral surface of the lifting block 5; the end connection of pivot 6 has connecting axle 15, the keyway has been seted up on its length direction in the connecting axle 15 outer peripheral face, drive gear 11 links firmly with connecting axle 15 circumference through the connection key in the keyway, the length of keyway is the twice of drive gear 11 thickness at least, but drive gear 11 adopts the mobile fit mode of connection key and keyway, the transmission is stable, and because the length of keyway is the axial position of drive gear 11 on connecting axle 15 of twice accessible removal of drive gear 11 thickness at least, can make drive gear 11 stagger no longer the meshing with sector gear 10, thereby relieve sector gear 10 and drive gear 11's meshing, realize the function of closing to the line function of sweeping, otherwise, then can open the line function of sweeping.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although 1, a presser bar is used more herein; 2. a presser foot; 3. a line sweeping rod; 31. hooking; 4. a mounting frame; 5. a lifting block; 51. a supporting strip; 52. locking the screw; 6. a rotating shaft; 7. swinging arms; 71. mounting holes; 8. an elastic reset member; 81. a torsion spring; 9. a drive shaft; 10. a sector gear; 11. a transmission gear; 12. a connecting pin; 13. a roller; 14. a spacing pin; 15. connecting shafts, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. A line sweeping device of an electronic pattern machine comprises a presser bar (1) capable of moving up and down in a reciprocating mode and a presser foot (2) arranged at the lower end of the presser bar (1), and is characterized in that the line sweeping device comprises a line sweeping bar (3), an installation frame (4) and a lifting block (5) fixedly arranged on the presser bar (1), a rotating shaft (6) and a swing arm (7) capable of driving the rotating shaft (6) to rotate in a reciprocating mode are arranged on the installation frame (4), the swing arm (7) is located above the lifting block (5), the lifting block (5) can be in contact with the swing arm (7) and can drive the swing block to swing when moving upwards along with the presser bar (1), one end of the line sweeping bar (3) is connected to the rotating shaft (6), and the other end of the line sweeping bar (3) extends to the position of the presser foot (2); the mounting rack (4) is also provided with an elastic reset piece (8) which can reset the rotating shaft (6); a driving shaft (9) capable of rotating is further arranged on the mounting rack (4), the swing arm (7) is connected to one end of the driving shaft (9), a sector gear (10) is fixedly arranged at the other end of the driving shaft (9), and a transmission gear (11) meshed with the sector gear (10) is fixedly arranged at one end of the rotating shaft (6); still set firmly spacer pin (14) on mounting bracket (4), spacer pin (14) are located the below of drive shaft (9), when swing arm (7) downswing, the downside middle part of swing arm (7) can with spacer pin (14) are supported and are leaned on.
2. The line sweeping device of the electronic pattern sewing machine according to claim 1, wherein the swing arm (7) is strip-shaped, the swing arm (7) is arranged along the radial direction of the driving shaft (9), one end of the swing arm (7) is provided with a mounting hole (71) and sleeved at the end part of the driving shaft (9) through the mounting hole (71), and the other end of the swing arm (7) can swing around the central axis of the driving shaft (9) under the driving of the lifting block (5); one end of the wire sweeping rod (3) is inserted into the end part of the other end of the rotating shaft (6) along the radial direction of the rotating shaft (6), and the other end of the wire sweeping rod (3) is provided with a hook (31).
3. The line sweeping device of the electronic pattern sewing machine according to claim 2, wherein a connecting pin (12) is fixedly arranged on the side surface of the swing arm (7) close to the other end, a roller (13) is arranged on the connecting pin (12), and the lifting block (5) can be in contact with the outer peripheral surface of the roller (13).
4. The wire sweeping device of the electronic pattern sewing machine according to claim 1, 2 or 3, wherein the elastic reset piece (8) is a torsion spring (81), the torsion spring (81) is sleeved on the driving shaft (9), and two ends of the torsion spring (81) are respectively connected to the mounting frame (4) and the swing arm (7).
5. The line sweeping device of the electronic pattern sewing machine according to claim 3, wherein the lifting block (5) is cylindrical, the lifting block (5) is sleeved on the presser bar (1) and is close to the lower end of the presser bar (1), a support bar (51) extending out is arranged on the outer peripheral surface of the lifting block (5), the support bar (51) is positioned under the roller (13), and a locking screw (52) for locking the lifting block (5) on the presser bar (1) is further arranged on the outer peripheral surface of the lifting block (5).
6. The line sweeping device of the electronic pattern sewing machine according to claim 1, 2 or 3, wherein the end of the rotating shaft (6) is connected with a connecting shaft (15), the outer circumferential surface of the connecting shaft (15) is provided with a key slot along the length direction, the transmission gear (11) is circumferentially fixedly connected with the connecting shaft (15) through a connecting key in the key slot, and the length of the key slot is at least twice the thickness of the transmission gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079527.6A CN110079941B (en) | 2018-01-26 | 2018-01-26 | Line sweeping device of electronic pattern sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079527.6A CN110079941B (en) | 2018-01-26 | 2018-01-26 | Line sweeping device of electronic pattern sewing machine |
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| Publication Number | Publication Date |
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| CN110079941A CN110079941A (en) | 2019-08-02 |
| CN110079941B true CN110079941B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079527.6A Active CN110079941B (en) | 2018-01-26 | 2018-01-26 | Line sweeping device of electronic pattern sewing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285247A (en) * | 2007-04-10 | 2008-10-15 | Juki株式会社 | Sewing machine for sewing ornaments |
| CN202359348U (en) * | 2011-12-05 | 2012-08-01 | 宁波舒普机电科技有限公司 | Thread end removing device for sewing machine |
| CN204474928U (en) * | 2014-12-29 | 2015-07-15 | 慈溪市逍林芬迪电器厂 | Line mechanism is pulled out for computerized pattern car |
| CN205368709U (en) * | 2015-12-25 | 2016-07-06 | 宁波舒普机电股份有限公司 | Thread end removing device for sewing machine |
| CN106087290A (en) * | 2015-04-30 | 2016-11-09 | 杜克普爱华股份公司 | Sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012024185A (en) * | 2010-07-21 | 2012-02-09 | Brother Ind Ltd | Sewing machine pressing device and sewing machine |
-
2018
- 2018-01-26 CN CN201810079527.6A patent/CN110079941B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285247A (en) * | 2007-04-10 | 2008-10-15 | Juki株式会社 | Sewing machine for sewing ornaments |
| CN202359348U (en) * | 2011-12-05 | 2012-08-01 | 宁波舒普机电科技有限公司 | Thread end removing device for sewing machine |
| CN204474928U (en) * | 2014-12-29 | 2015-07-15 | 慈溪市逍林芬迪电器厂 | Line mechanism is pulled out for computerized pattern car |
| CN106087290A (en) * | 2015-04-30 | 2016-11-09 | 杜克普爱华股份公司 | Sewing machine |
| CN205368709U (en) * | 2015-12-25 | 2016-07-06 | 宁波舒普机电股份有限公司 | Thread end removing device for sewing machine |
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| CN110079941A (en) | 2019-08-02 |
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