CN207276923U - A kind of rotary drive mechanism of sewing machine - Google Patents
A kind of rotary drive mechanism of sewing machine Download PDFInfo
- Publication number
- CN207276923U CN207276923U CN201721220334.5U CN201721220334U CN207276923U CN 207276923 U CN207276923 U CN 207276923U CN 201721220334 U CN201721220334 U CN 201721220334U CN 207276923 U CN207276923 U CN 207276923U
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- CN
- China
- Prior art keywords
- sleeve
- fixed
- sewing machine
- drive mechanism
- rotary drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of rotary drive mechanism of sewing machine, including the installing plate of sewing machine head side is fixed on, installing plate is equipped with the slitter shaft that can be rotated around own axes and move up and down along axis, and cutter is fixed with below slitter shaft.Installing plate is fixed with sleeve mounting base, and sleeve mounting base is equipped with the sleeve that can be rotated, and electric rotating machine is fixed with installing plate, and electric rotating machine is rotated by rotating actuator band moving sleeve.The inner wall of sleeve is fixed with cutting knife mounting seat, and slitter shaft is slidably mounted in cutting knife mounting seat.
Description
Technical field
A kind of sewing machine is the utility model is related to, specifically a kind of rotary drive mechanism of sewing machine.
Background technology
The utility model patent of Patent No. 201620092308.8 discloses a kind of rotation calking machine, can make sewing machine
Possesses the function to sewing punching during the work time, and stamping knife can rotate automatically, and different angle is gone out on sewing
Punching.The rotation calking machine is applicable to the perforate on sewing, the process then sewed.
The disclosed rotation calking machine of above-mentioned patent, including sewing machine head, the side of sewing machine head be provided with it is revolvable from
Driving wheel and the motor that driven wheel rotation is driven by transmission mechanism.The axle center of driven wheel is formed with spline connecting rod bearing, and spline connects
The spline shaft that can be axially moved is equipped with rod sleeve.The upper end of spline shaft is equipped with driving spline shaft and is axially moved
Stamping cylinder, the lower end of spline shaft is connected with stamping knife.The patented technology applies impulse force by stamping cylinder to stamping knife, by
It is slow in the punching speed of stamping cylinder, therefore single hole can only be rushed on sewing, and the width one of the width in single hole and stamping knife
Cause.
In process of actually sewing, the situation in need that longer notch is cut on sewing and is sewed again, due to
Rotation calking machine can only rush single hole, and punching speed can not keep up with the translational speed of sewing, can not meet the work of blank process
Industry requirement.
The content of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, and provides a kind of sewing machine
Rotary drive mechanism, it is possible to achieve rotation control of the sewing machine to cutter, makes the edge of a knife of cutter cater to the moving direction of sewing.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of rotary driving machine of sewing machine
Structure, including the installing plate of sewing machine head side is fixed on, installing plate, which is equipped with, can rotate around own axes and be transported up and down along axis
Dynamic slitter shaft, is fixed with cutter below slitter shaft.Installing plate is fixed with sleeve mounting base, and sleeve mounting base is equipped with and can rotate
Sleeve, electric rotating machine is fixed with installing plate, electric rotating machine passes through rotating actuator band moving sleeve and rotates.The inner wall of sleeve
Cutting knife mounting seat is fixed with, slitter shaft is slidably mounted in cutting knife mounting seat.
To optimize above-mentioned technical proposal, the utility model further includes following improved technical solution.
The inner wall of above-mentioned sleeve mounting base is fixed with rotary mounting seat, and the inner wall of sleeve is fixed with ladder axle sleeve, multi-diameter shaft
The 3rd plane bearing is equipped between the shaft shoulder and rotary mounting seat of set, the top of ladder axle sleeve is fixed with thread ending cover, the end of thread
Fourth plane bearing is equipped between lid and rotary mounting seat.
Above-mentioned rotating actuator includes being fixed on the travelling gear outside sleeve and the power installed in electric rotating machine
Power gear on output shaft, travelling gear are meshed with power gear.
Above-mentioned rotating actuator includes the synchronizing wheel being fixed on outside sleeve, and electric rotating machine is driven synchronous by synchronous belt
Wheel rotates.
Above-mentioned cutting knife mounting seat has the mounting hole with open slot.Slitter shaft is slidably arranged in mounting hole, slitter shaft tool
There is the feather key portion being slidably matched with open slot.
The lateral surface in above-mentioned feather key portion is formed with radial hole, and the bolt of fixed cutting tool is provided with radial hole.
The top of above-mentioned mounting hole is fixed with pilot bushing.
The outer cover of above-mentioned sleeve is equipped with the cartridge type presser feet that can be moved up and down, and is equipped between cartridge type presser feet and sleeve and resets bullet
Spring.
The periphery of above-mentioned sleeve is fixed with sensing chip, and installing plate is equipped with the sensor of detection sensing chip position.
Compared with prior art, the rotary drive mechanism of a kind of sewing machine of the utility model, is driven by electric rotating machine and covered
Cylinder rotates, and so as to fulfill rotation control of the sewing machine to cutter, the edge of a knife of cutter is catered to the moving direction of sewing, can stitch
Blank on any direction of material.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment.
Fig. 2 is the assembling decomposition diagram of the utility model embodiment.
Fig. 3 is the dimensional structure diagram of another angle of the utility model embodiment.
Fig. 4 is the cross-sectional view of the utility model embodiment.
Embodiment
The embodiment of the utility model is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 4 show the structure diagram of the utility model.
Reference numeral therein is：Sewing machine head 1, installing plate 11, slitter shaft 2, feather key portion 2a, radial hole 2b, cutter
21st, cutting knife mounting seat 22, mounting hole 22a, open slot 22b, blank driving motor 3, eccentric wheel 31, eccentric shaft bearing 32, bias
It is flat to take turns connecting rod 33, connecting rod bearing 4, T fonts connecting shaft 41, the first connecting shaft 42, convex ring body 42a, the first plane bearing 43, second
Spherical bearing 44, axis pin 45, sleeve 5, sleeve mounting base 51, electric rotating machine 52, travelling gear 53, power gear 54, pilot bushing
55th, cartridge type presser feet 56, resetting spring 57, ladder axle sleeve 58, rotary mounting seat 59, thread ending cover 60, the 3rd plane bearing 61,
Four plane bearings 62, lifting cylinder 7, riser guide 71, sensing chip 72, sensor 73.
The a kind of of the utility model has the function of the sewing machine of joint-cutting, including sewing machine head 1, pacifies in 1 side of sewing machine head
Equipped with the slitter shaft 2 that can be rotated around own axes and move up and down along axis, the lower section of slitter shaft 2 is fixed with cutter 21.
Sewing machine head 1 is fixed with installing plate 11, and the blank for driving slitter shaft 2 to move up and down is fixed with installing plate 11
Drive motor 3.The power output shaft of blank driving motor 3 is equipped with eccentric wheel 31, and eccentric wheel 31 is fitted with eccentric shaft bearing 32.
The upper end of connecting rod of eccentric wheel 33 is fixedly connected with eccentric shaft bearing 32, and lower end is connected by blank transmission mechanism with slitter shaft 2.
When blank driving motor 3 works, using 31 characteristic of eccentric wheel and the high speed of motor, by connecting rod of eccentric wheel 33 and cut
Expect transmission mechanism, drive 2 high-frequency up and down motion of slitter shaft, while sewing moves horizontally under the driving of cloth feeding mechanism, from
And cutter 21 is set to cut out the notch for needing length on sewing.
Blank transmission mechanism includes connecting rod bearing 4, and the top of connecting rod bearing 4 has an axis pin 45, under connecting rod of eccentric wheel 33
End is rotatablely connected by axis pin 45 with connecting rod bearing 4.
The lower part of connecting rod bearing 4 is equipped with the T fonts connecting shaft 41 that can be rotated, and the lower end of T fonts connecting shaft 41 passes through first
Connecting shaft 42 is connected with slitter shaft 2.Connecting rod bearing 4 is connected by T fonts connecting shaft 41, the first connecting shaft 42 with slitter shaft 2
Connect, can make slitter shaft 2 that connecting rod bearing 4 can be followed to move up and down with blank and independent rotation, to change cutter 21
Edge of a knife direction.
The lower end of connecting rod bearing 4 has the end face with axially extending bore.After the lower end of T fonts connecting shaft 41 passes through axially extending bore
It is fixedly connected with the upper end of the first connecting shaft 42.The first plane bearing is equipped between the top and end face of T fonts connecting shaft 41
43.Convex ring body 42a is equipped with the periphery of the first connecting shaft 42, the second plane bearing 44 is equipped between convex ring body 42a and end face.
Since blank driving motor 3 can be passed by eccentric wheel 31, eccentric shaft bearing 32, connecting rod of eccentric wheel 33 and blank
Motivation structure drives the quickly high-frequency up and down motion of cutter 21, and cutter 21 needs the independent rotation of energy.Traditional axis and axis
Rotation connection mode, when installation easily produces gap at rotation connection, in the axial movement of high frequency, can produce and make an uproar
Sound, while the gap can also aggravate parts depreciation, influence service life.
The present invention uses and sets the first plane bearing between the top of T fonts connecting shaft 41 and the end face of connecting rod bearing 4
43, and the structure of the second plane bearing 44 is set between the end face of convex ring body 42a and connecting rod bearing 4, it both can guarantee that the first company
Spindle 42 can eliminate T fonts connecting shaft 41 and the first connecting shaft 42 in the axial direction relative to 4 flexible rotating of connecting rod bearing
Installation gap, reduce operation noise and abrasion.
Installing plate 11 is fixed with sleeve mounting base 51, and sleeve mounting base 51 is equipped with the sleeve 5 that can be rotated.Rotary drive mechanism
Including the electric rotating machine 52 being fixed on installing plate 11, electric rotating machine 52 is rotated by rotating actuator band moving sleeve 5.
The inner wall of sleeve 5 is fixed with cutting knife mounting seat 22.Slitter shaft 2 slides axially in cutting knife mounting seat 22, can
To move up and down relative to cutting knife mounting seat 22, while 22 rotary motion of cutting knife mounting seat can be followed.
The inner wall of sleeve mounting base 51 has been threadably secured rotary mounting seat 59, and the inner wall of sleeve 5 is fixed with multi-diameter shaft
Set 58.The 3rd plane bearing 61 is equipped between the shaft shoulder and rotary mounting seat 59 of ladder axle sleeve 58, the top of ladder axle sleeve 58 is worn
Cross rotary mounting seat 59 and be fixed with thread ending cover 60, fourth plane bearing is equipped between thread ending cover 60 and rotary mounting seat 59
62。
Using the 3rd plane bearing 61 and in thread ending cover between the shaft shoulder and rotary mounting seat 59 of ladder axle sleeve 58
Fourth plane bearing 62 is used between 60 and rotary mounting seat 59, sleeve mounting base 51 and sleeve 5 can be eliminated in the axial direction
Gap is installed, while makes sleeve 5 more flexible relative to the rotation of sleeve mounting base 51, reduces mechanical wear.
Cutting knife mounting seat 22 has the mounting hole 22a with open slot 22b.Slitter shaft 2 is slidably arranged in mounting hole 22a,
Slitter shaft 2 has the feather key portion 2a being slidably matched with open slot 22b.
The lateral surface of feather key portion 2a is formed with radial hole 2b, and the bolt of fixed cutting tool 21 is provided with radial hole 2b, can
To dismantle the bolt on feather key portion 2a by open slot 22b, cutter 21 is conveniently replaceable.
The top of mounting hole 22a is fixed with pilot bushing 55, and the first connecting shaft 42, which is slided, to be arranged in pilot bushing 55.
Rotating actuator includes being fixed on travelling gear 53 outside sleeve 5 and defeated installed in the power of electric rotating machine 52
Power gear 54 on shaft, travelling gear 53 are meshed with power gear 54, and the edge of a knife of cutter 21 is controlled by electric rotating machine 52
Direction, can on any direction of sewing blank.
The periphery of sleeve 5 is fixed with sensing chip 72, and equipped with the sensor 73 of 72 position of detection sensing chip, to detect cutter
21 edge of a knife direction, 21 spinning reduction of cutter is controlled easy to electric rotating machine 52.
5 outer cover of sleeve is equipped with the cartridge type presser feet 56 that can be moved up and down, and is equipped between cartridge type presser feet 56 and sleeve 5 and resets bullet
Spring 57.During holding state, the lower face of cartridge type presser feet 56 is less than the minimum point of cutter 21.During work, sleeve mechanism can decline, cylinder
Type presser feet 56 can first contact sewing, and the subsequent compression of resetting spring 57 makes cartridge type presser feet 56 keep binder state.
Lifting cylinder 7 is fixed with sewing machine head 1, being equipped with guiding installing plate 11 in the side wall of sewing machine head 1 moves up and down
Riser guide 71, moved up and down by sleeve mechanism in 7 drive installation plate 11 of lifting cylinder.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (9)
1. a kind of rotary drive mechanism of sewing machine, including it is fixed on the installing plate (11) of sewing machine head (1) side, the peace
Loading board (11) is equipped with the slitter shaft (2) that can rotate around own axes and along axis up and down motion, under the slitter shaft (2)
Side is fixed with cutter (21), it is characterized in that：The installing plate (11) is fixed with sleeve mounting base (51), sleeve installation
Seat (51) is equipped with the sleeve (5) that can be rotated, and electric rotating machine (52), the electric rotating machine are fixed with the installing plate (11)
(52) sleeve (5) is driven to rotate by rotating actuator；The inner wall of the sleeve (5) is fixed with cutting knife mounting seat
(22), the slitter shaft (2) is slidably mounted in cutting knife mounting seat (22).
2. a kind of rotary drive mechanism of sewing machine according to claim 1, it is characterized in that：The sleeve mounting base (51)
Inner wall be fixed with rotary mounting seat (59), the inner wall of the sleeve (5) is fixed with ladder axle sleeve (58), the ladder axle sleeve
(58) the 3rd plane bearing (61) is equipped between the shaft shoulder and rotary mounting seat (59), the top of the ladder axle sleeve (58) is consolidated
Determine threaded end lid (60), fourth plane bearing (62) is equipped between the thread ending cover (60) and rotary mounting seat (59).
3. a kind of rotary drive mechanism of sewing machine according to claim 2, it is characterized in that：The rotating actuator
Including being fixed on the outer travelling gear (53) of sleeve (5) and the power teeth on the power output shaft of electric rotating machine (52)
Take turns (54), the travelling gear (53) is meshed with power gear (54).
4. a kind of rotary drive mechanism of sewing machine according to claim 3, it is characterized in that：The rotating actuator
Including being fixed on the synchronizing wheel of sleeve (5) outside, the electric rotating machine (52) drives the synchronizing wheel to rotate by synchronous belt.
5. a kind of rotary drive mechanism of sewing machine according to claim 4, it is characterized in that：The cutting knife mounting seat (22)
With the mounting hole (22a) with open slot (22b)；The slitter shaft (2) is slidably arranged in the mounting hole (22a), is cut
Cutter shaft (2) has the feather key portion (2a) being slidably matched with open slot (22b).
6. a kind of rotary drive mechanism of sewing machine according to claim 5, it is characterized in that：Outside the feather key portion (2a)
Side is formed with radial hole (2b), and the bolt of fixed cutting tool (21) is provided with the radial hole (2b).
7. a kind of rotary drive mechanism of sewing machine according to claim 5, it is characterized in that：The mounting hole (22a)
Top is fixed with pilot bushing (55).
8. a kind of rotary drive mechanism of sewing machine according to claim 4, it is characterized in that：The outside of the sleeve (5)
The cartridge type presser feet (56) that can be moved up and down is arranged with, resetting spring (57) is equipped between the cartridge type presser feet (56) and sleeve (5).
9. a kind of rotary drive mechanism of sewing machine according to claim 8, it is characterized in that：The periphery of the sleeve (5)
Sensing chip (72) is fixed with, the installing plate (11) is equipped with the sensor (73) of detection sensing chip (72) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220334.5U CN207276923U (en) | 2017-09-22 | 2017-09-22 | A kind of rotary drive mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220334.5U CN207276923U (en) | 2017-09-22 | 2017-09-22 | A kind of rotary drive mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207276923U true CN207276923U (en) | 2018-04-27 |
Family
ID=61982640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721220334.5U Withdrawn - After Issue CN207276923U (en) | 2017-09-22 | 2017-09-22 | A kind of rotary drive mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207276923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700088A (en) * | 2017-09-22 | 2018-02-16 | 宁波舒普机电股份有限公司 | A kind of rotary drive mechanism of sewing machine |
-
2017
- 2017-09-22 CN CN201721220334.5U patent/CN207276923U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700088A (en) * | 2017-09-22 | 2018-02-16 | 宁波舒普机电股份有限公司 | A kind of rotary drive mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20230606 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20230606 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |