CN209144400U - A kind of feeding tooth regulating mechanism and sewing machine - Google Patents
A kind of feeding tooth regulating mechanism and sewing machine Download PDFInfo
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- CN209144400U CN209144400U CN201821879057.3U CN201821879057U CN209144400U CN 209144400 U CN209144400 U CN 209144400U CN 201821879057 U CN201821879057 U CN 201821879057U CN 209144400 U CN209144400 U CN 209144400U
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- gear
- eccentric shaft
- sleeve
- feeding tooth
- regulating mechanism
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Abstract
The utility model provides a kind of feeding tooth regulating mechanism and sewing machine, belongs to technical field of sewing equipment.It solves the problems, such as to be easy to get stuck when the thin material of existing feeding teeth space system to be located above needle plate to tie up charging spacial influence charging.This feeding tooth regulating mechanism includes the eccentric shaft being installed in rotation in casing, retainer and feeding tooth, sliding slot is offered in retainer, the eccentric shaft portion of eccentric shaft is located in retainer sliding slot and is slidably connected with sliding slot, it further include the driving mechanism being fixedly mounted on casing and gear sleeve, sprocket drive spindle is worn in gear sleeve, the rotation of gear shaft energy opposed gear sleeve, one end of gear shaft has second gear, other end fixing sleeve is equipped with connecting rod, one end of connecting rod is connect with driving mechanism, one end fixing sleeve in the shaft body portion of eccentric shaft is equipped with first gear, first gear and second gear engagement connection, reset spring is arranged on gear sleeve.This regulating mechanism has the advantages that intelligence adjusts the decline of feeding tooth consequently facilitating charging is smooth.
Description
Technical field
The utility model belongs to technical field of sewing equipment, is related to a kind of feeding tooth regulating mechanism and sewing machine.
Background technique
Existing sewing machine is after sewing thin material, and cloth is easily stuck between feeding tooth slot, so that cloth is not easy smoothly to remove
Out, when cloth is stuck in feeding tooth slot, feeding tooth is located above needle plate, is at the highest notch.When charging, after presser feet lifting,
Its presser feet lower end surface is to the theoretic maximum gauge value that the distance between needle plate is that sewing can smoothly be fed, but due to feeding
Tooth is at the highest notch, and is located above needle plate, has tied up the segment space of sewing feeding, the charging of especially thicker sewing can be led
It causes without upper material space abundant enough to which feeding is inconvenient.
In order to solve this problem, disclosing publication No. is CN106988030A, and entitled one kind is by foot lifting mechanism control
The feeding mechanism of system moves down the Chinese patent of structure and sewing machine, which includes the presser foot lifter spanner in foot lifting mechanism, should
Presser foot lifter spanner has the first swing pivot, it is characterised in that: further includes the eccentric shaft being installed in rotation in casing, has
The retainer of second swing pivot and the feeding tooth for being mounted on retainer one end offer sliding slot, the eccentric shaft in the retainer
With shaft body portion and eccentric setting in the eccentric shaft portion in shaft body portion, the presser foot lifter spanner is by the first transmission mechanism and partially
The shaft body portion of mandrel is connected, and the eccentric shaft portion of the eccentric shaft is installed in rotation in the sliding slot of retainer and and sliding slot
It is slidably matched；When presser foot lifter, the presser foot lifter spanner swings around the first swing pivot and passes through the first transmission mechanism and bias
Axis driving retainer is swung around the second swing pivot, moves down one end that feeding tooth is equipped on retainer.Although the technical solution compared with
Solve above-mentioned technical problem well, but there are still some problems: the mainly technical solution is by spanner driving method
One end of driving feeding tooth moves down, and one end of feeding tooth, which moves down distance, intelligently can not accurately adjust control.
Summary of the invention
Purpose of the utility model is to solve above-mentioned technical problem, a kind of feeding tooth regulating mechanism and sewing are proposed
Machine.
The purpose of this utility model can be realized by the following technical scheme: a kind of feeding tooth regulating mechanism, including can turn
Eccentric shaft, the retainer with the first swing pivot and the feeding tooth for being mounted on retainer one end being mounted in casing dynamicly, institute
It states and offers sliding slot in retainer, the eccentric shaft has shaft body portion and eccentric setting in the eccentric shaft portion in shaft body portion, described
The eccentric shaft portion of eccentric shaft is located in retainer sliding slot and is slidably connected with sliding slot, it is characterised in that: further includes being fixedly mounted on machine
Driving mechanism and gear sleeve on shell, wear sprocket drive spindle in gear sleeve, the gear shaft energy opposed gear sleeve rotation,
One end of the gear shaft has second gear, and other end fixing sleeve is equipped with connecting rod, and one end of connecting rod and above-mentioned driving mechanism connect
It connects, one end fixing sleeve in the shaft body portion of the eccentric shaft is equipped with first gear, the first gear and second gear engagement
It connects, reset spring is arranged on the gear sleeve, for the reset to connecting rod.
In a kind of above-mentioned feeding tooth regulating mechanism, excentric sleeve is mounted by means of screws on the casing
Cylinder, the shaft body portion of above-mentioned eccentric shaft is threaded through in eccentric shaft sleeve and energy relative eccentric shaft sleeve rotation, above-mentioned eccentric shaft
Eccentric shaft portion is located at outside eccentric shaft sleeve.
In a kind of above-mentioned feeding tooth regulating mechanism, the first gear and second gear are helical gear and mutually
It is vertically arranged.
In a kind of above-mentioned feeding tooth regulating mechanism, the gear sleeve is fixedly mounted on casing by fixing screws
On, above-mentioned reset spring one end is resisted against on connecting rod, and the other end is resisted against in fixing screws.
In a kind of above-mentioned feeding tooth regulating mechanism, the driving mechanism is electromagnet, and one end of the connecting rod is opened
There is strip groove, there is sliding axle on the output shaft of the electromagnet, sliding axle is threaded through realization in strip groove and is slidably connected.
In a kind of above-mentioned feeding tooth regulating mechanism, also it is bolted on the casing and adjusting installation is installed
Plate, adjusting screw is fixedly installed on the adjusting mounting plate, and the upper end for adjusting screw is resisted against the lower end of above-mentioned connecting rod
On face, connecting rod is limited.
A kind of sewing machine, it is characterised in that: including it is automatically controlled, with the automatically controlled presser foot lifter action signal detection device being electrically connected with
And above-mentioned feeding tooth regulating mechanism, the automatically controlled driving mechanism with above-mentioned feeding tooth regulating mechanism connect and control driving machine
Whether structure works.
In a kind of above-mentioned sewing machine, the driving mechanism is electromagnet.
Compared with prior art, this regulating mechanism has the advantages that following several:
1, the driving mechanism for driving feeding tooth to decline is controlled by electric-controlled intelligent, so as to realize intelligent control regulating
Section, and accuracy is more preferable；
2, by adjusting the adjusting of screw, the reset position of adjustable connecting rod, to allow the installation site of driving mechanism
Selectivity is larger；
3, the helical gear of first gear and second gear engagement connection so that the transmission of driving force is more stable, noise compared with
It is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this feeding tooth regulating mechanism.
In figure, 1, eccentric shaft sleeve；2, eccentric shaft；21, shaft body portion；22, eccentric shaft portion；3, retainer；31, main feed dog
Frame；32, differential cloth-feeding retainer；33, sliding slot；4, the first swing pivot；5, feeding tooth；51, active tooth；52, differential tooth；6, first
Gear；7, gear shaft；71, second gear；8, gear sleeve；9, fixing screws；10, connecting rod；11, electromagnet；12, installation is adjusted
Plate；13, screw is adjusted；14, reset spring.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1, this feeding tooth regulating mechanism includes eccentric shaft 2, gear shaft 7, driving mechanism, has first to swing branch
The retainer 3 of point 4 and the feeding tooth 5 for being mounted on 3 one end of retainer.Retainer 3 includes sending along the master axially arranged side by side of eccentric shaft 2
Cloth retainer 31 and differential cloth-feeding retainer 32, main feed dog frame 31 are located at right side, and differential cloth-feeding retainer 32 is located at left side；Feeding tooth 5
Including the active tooth 51 for being mounted on main 31 rear end of feed dog frame and the differential tooth 52 for being mounted on 32 rear end of differential cloth-feeding retainer, tooth
The front end of frame 3 offers sliding slot 33.Eccentric shaft 2 has shaft body portion 21 and eccentric setting in the eccentric shaft portion in shaft body portion 21
22, the eccentric shaft portion 22 of eccentric shaft 2 is located in 3 sliding slot 33 of retainer and is slidably connected with sliding slot 33.Its eccentric shaft 2 has first
The retainer 3 of swing pivot 4 and the structure and interconnected relationship of feeding tooth 5 are CN106988030A with disclosed publication No.
Patent it is identical, in this not go into detail.
Eccentric shaft sleeve 1 is mounted by means of screws on casing, the shaft body portion 21 of eccentric shaft 2 is threaded through excentric sleeve
In cylinder 1 and energy relative eccentric shaft sleeve 1 rotates, and the eccentric shaft portion 22 of above-mentioned eccentric shaft 2 is located at outside eccentric shaft sleeve 1, eccentric shaft 2
21 one end eccentric setting of shaft body portion have eccentric shaft portion 22, the other end is fixedly installed with first gear 6.Pass through fixation on casing
Screw 9 is fixedly installed with gear sleeve 8, and gear shaft 7 is threaded through in gear sleeve 8, and gear shaft 7 can 8 rotation of opposed gear sleeve；
One end of gear shaft 7 has second gear 71, and other end fixing sleeve is equipped with connecting rod 10, one end of connecting rod 10 and above-mentioned driving mechanism
Connection, the driving mechanism of the present embodiment are electromagnet 11, are arranged with reset spring 14,14 one end of reset spring on gear sleeve 8
It is resisted against on connecting rod 10, the other end is resisted against in fixing screws 9.First gear 6 and the engagement connection of second gear 71.The present embodiment
First gear 6 and second gear 71 be helical gear and to be arranged in a mutually vertical manner, helical gear engaged transmission stability is good, noise compared with
It is small, except of course that can also be straight-tooth, or by third gear engagement structure etc., as long as being able to carry out power outside helical gear
Transmission and meet installation space demand in casing.One end of connecting rod 10 and the output axis connection of electromagnet 11, and
Connection type specifically: be provided with strip groove in one end of connecting rod 10, there is sliding axle on the output shaft of electromagnet 11, sliding axle is worn
Realization in strip groove is located to be slidably connected.Electromagnet 11 is electricly connected with sewing machine, and by automatically controlled control.
It is also bolted to be equipped on casing and adjusts mounting plate 12, adjust and be fixedly installed with adjusting spiral shell on mounting plate 12
Nail 13, the upper end for adjusting screw 13 are resisted against on the lower end surface of above-mentioned connecting rod 10, limit to connecting rod 10.By adjusting screw
13 adjusting, the reset position of adjustable connecting rod 10, to make the installation position selection of driving mechanism larger.
The adjustment process of this regulating mechanism is as follows:
When sewing is fed, presser feet will be lifted, and while presser feet lifts, automatically controlled control electromagnet 11 is powered on,
11 output shaft of electromagnet protrudes through 10 gear shaft 7 of connecting rod and rotates counterclockwise, and second gear 71 rotates counterclockwise drive
One gear 6 rotates clockwise, so that eccentric shaft 2 rotates clockwise, the eccentric shaft portion 22 on eccentric shaft 2 rotates clockwise driving tooth
Frame 3 and feeding tooth 5 are rotated clockwise around the first swing pivot 4, and feeding tooth 5, which rotates clockwise, to be dropped under needle plate upper surface, from
And to reserving maximum space between presser feet lower end surface and needle plate upper surface for the smooth feeding of sewing.After the completion of feeding, automatically controlled control
Electromagnet 11 powers off, and electromagnet 11 no longer transmits driving force to connecting rod 10, and connecting rod 10 is clockwise under the action of reset spring 14
It resets, to reset clockwise with movable gear shaft 7 and second gear 71, second gear 71 drives first gear 6 to reset counterclockwise,
To drive retainer 3 and feeding tooth 5 to reset counterclockwise by eccentric shaft 2.Electromagnet 11 for driving feeding tooth 5 to decline is by electricity
Intelligent control is controlled, so as to realize that intelligent control is adjusted, and accuracy is higher.
Embodiment two
This sewing machine include it is automatically controlled, with the automatically controlled presser foot lifter action signal detection device being electrically connected and above-mentioned feeding tooth 5
Regulating mechanism, presser foot lifter action signal detection device are mounted on pedal.When feeding, with foot-operated lower pedal, pedal passes through transmission
Etc. structures driving presser feet lifting, meanwhile, presser foot lifter action signal detection device detects that pedal is depressed, send trigger signal to
Automatically controlled, automatically controlled control electromagnet 11 is powered on, and working principle is the same as example 1, and is no longer discussed in detail.Wait feed
Cheng Hou, foot are released the pedal, and presser foot lifter action signal detection device detects that pedal is no longer depressed, send feeding complete signal to
Automatically controlled, automatically controlled control electromagnet 11 powers off, and electromagnet 11 no longer works.Other working principles are the same as example 1, no longer superfluous
It states.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of feeding tooth regulating mechanism, including be installed in rotation in casing eccentric shaft (2), there is the first swing pivot
(4) retainer (3) and the feeding tooth (5) for being mounted on retainer (3) one end offer sliding slot (33) in the retainer (3), described
Eccentric shaft (2) has shaft body portion (21) and eccentric setting in the eccentric shaft portion (22) of shaft body portion (21), the eccentric shaft (2)
Eccentric shaft portion (22) be located in retainer (3) sliding slot (33) and be slidably connected with sliding slot (33), it is characterised in that: further include fix
The driving mechanism and gear sleeve (8) being mounted on casing, gear sleeve (8) is interior to wear sprocket drive spindle (7), the gear shaft
(7) energy opposed gear sleeve (8) rotates, and one end of the gear shaft (7) has second gear (71), and other end fixing sleeve is equipped with
One end of connecting rod (10), connecting rod (10) is connect with above-mentioned driving mechanism, the one end in the shaft body portion (21) of the eccentric shaft (2)
Fixing sleeve is equipped with first gear (6), the first gear (6) and second gear (71) engagement connection, on the gear sleeve (8)
Reset spring (14) are arranged with, for the reset to connecting rod (10).
2. a kind of feeding tooth regulating mechanism according to claim 1, which is characterized in that solid by screw on the casing
Dingan County is equipped with eccentric shaft sleeve (1), and the shaft body portion (21) of above-mentioned eccentric shaft (2) is threaded through in eccentric shaft sleeve (1) and can phase
Eccentric shaft sleeve (1) is rotated, the eccentric shaft portion (22) of above-mentioned eccentric shaft (2) is located at eccentric shaft sleeve (1) outside.
3. a kind of feeding tooth regulating mechanism according to claim 2, which is characterized in that the first gear (6) and
Two gears (71) are helical gear and are arranged in a mutually vertical manner.
4. a kind of feeding tooth regulating mechanism according to claim 1 or 2 or 3, which is characterized in that the gear sleeve
(8) it is fixedly mounted on casing by fixing screws (9), above-mentioned reset spring (14) one end is resisted against on connecting rod (10), another
End is resisted against on fixing screws (9).
5. a kind of feeding tooth regulating mechanism according to claim 4, which is characterized in that the driving mechanism is electromagnet
(11), one end of the connecting rod (10) is provided with strip groove, has sliding axle on the output shaft of the electromagnet (11), sliding axle is worn
Realization in strip groove is located to be slidably connected.
6. a kind of feeding tooth regulating mechanism according to claim 4, which is characterized in that also pass through bolt on the casing
It is fixedly installed with and adjusts mounting plate (12), be fixedly installed on the adjusting mounting plate (12) and adjust screw (13), the adjusting
The upper end of screw (13) is resisted against on the lower end surface of above-mentioned connecting rod (10), is limited to connecting rod (10).
7. a kind of sewing machine, it is characterised in that: including it is automatically controlled, with the automatically controlled presser foot lifter action signal detection device being electrically connected and
Any feeding tooth regulating mechanism in the claims 1-6, the automatically controlled drive with above-mentioned feeding tooth regulating mechanism
Whether the connection of motivation structure and control driving mechanism work.
8. a kind of sewing machine according to claim 7, which is characterized in that the driving mechanism is electromagnet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879057.3U CN209144400U (en) | 2018-11-15 | 2018-11-15 | A kind of feeding tooth regulating mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879057.3U CN209144400U (en) | 2018-11-15 | 2018-11-15 | A kind of feeding tooth regulating mechanism and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209144400U true CN209144400U (en) | 2019-07-23 |
Family
ID=67285901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821879057.3U Active CN209144400U (en) | 2018-11-15 | 2018-11-15 | A kind of feeding tooth regulating mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209144400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853628A (en) * | 2019-11-28 | 2021-05-28 | 杰克缝纫机股份有限公司 | Lower supply mechanism for flat seaming machine and flat seaming machine |
| CN113046933A (en) * | 2019-12-26 | 2021-06-29 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2018
- 2018-11-15 CN CN201821879057.3U patent/CN209144400U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853628A (en) * | 2019-11-28 | 2021-05-28 | 杰克缝纫机股份有限公司 | Lower supply mechanism for flat seaming machine and flat seaming machine |
| CN112853628B (en) * | 2019-11-28 | 2022-07-05 | 杰克科技股份有限公司 | Lower supply mechanism for flat seaming machine and flat seaming machine |
| CN113046933A (en) * | 2019-12-26 | 2021-06-29 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN113046933B (en) * | 2019-12-26 | 2022-06-21 | 杰克科技股份有限公司 | Sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |