CN104213342B - Mechanism for sewing and free-rotation trimming simultaneously - Google Patents
Mechanism for sewing and free-rotation trimming simultaneously Download PDFInfo
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- CN104213342B CN104213342B CN201410488599.8A CN201410488599A CN104213342B CN 104213342 B CN104213342 B CN 104213342B CN 201410488599 A CN201410488599 A CN 201410488599A CN 104213342 B CN104213342 B CN 104213342B
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Abstract
The invention relates to the field of sewing machines, in particular to a mechanism for sewing and free-rotation trimming simultaneously. The mechanism is provided with a sewing machine arm, wherein a needle rod is arranged on the front end of the sewing machine arm; a frame needle is fixedly arranged on the lower end of the needle rod; a trimming mechanism for cutting outside excess materials in the direction relative to sewing stitches is arranged under the sewing machine arm; a power output mechanism for driving the trimming mechanism to work is arranged on the top part of the sewing machine arm; a transmission mechanism for transmitting the power on a drive mechanism to the trimming mechanism is arranged between the trimming mechanism and the drive mechanism. According to the sewing machine capable of rotatably trimming, the working performance is improved, meanwhile, the process equipment and the manpower labor force are saved, and the attractiveness effect of flatness and smoothness of the cut edges when the relatively complex sewing patterns are cut is achieved.
Description
Technical field:
The present invention relates to sewing machine field, more particularly, to a kind of the sewing of trimming free to rotate simultaneously of sewing can be realized
Machine.
Background technology:
At present, due to being sewed, the restriction of trimming process equipment, suture and trimming operation are carried out separately.Generally,
Trimming is the one procedure following closely after suture.Suture is completed by industrial sewing machine, and trimming can only rely on simple machinery
Or manually have been manually done, the quality of trimming simultaneously is also restrained, for example, the distance far from suture for the edge of product after trimming
Inconsistent, clipped cut.
Even if existing sewing machine carries is capable of the function of trimming simultaneously, but nor meet the answering of sewing figure of sewing
The requirement of miscellaneous degree, this restriction is to make to cut it is impossible to reach because the cutting knife of trimming is only affixed to a direction relative to needle plate
The direction of motion of knife vis-a-vis sewing all the time.
Content of the invention:
The present invention is exactly directed to what problem above proposed, provides and a kind of can be widely applied for relatively thin sewing is needed simultaneously
Seek the device in suture and trimming field, especially to clothing, the sewing sector application such as leather substance is extensive.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of sewing simultaneously can be certainly
By the mechanism rotating trimming, including sewing machine arm, the front end of sewing machine arm is provided with shank, the fixed installation of shank lower end is organic
Pin, the lower section of described sewing machine arm is provided with the trimming mechanism of the outside clout excision in suture stitch direction relatively；Described seam
Thread horn top be provided with drive trimming mechanism work power take-off mechanism；Between trimming mechanism and power take-off mechanism
It is provided with the drive mechanism that the power outputing power in mechanism is transferred to trimming mechanism；The lower section of described sewing machine arm also sets up
There is driving trimming mechanism all the time towards the rotary drive mechanism of the direction of feed of sewing.
Described trimming mechanism include inside eedle along the shank direction of motion move up and down moving knife, be located at eedle inside
The static stationary knife of moving knife and stationary knife are fixed together and sewing are played with the presser feet of pressing effect, for fixing stationary knife and pressure relatively
The fixing loop bar of foot；
Described power take-off mechanism has trimming motor and motor fixing seat, and trimming motor is fixedly installed on electricity
In machine fixed seat, motor fixing seat is fixedly connected with the top of sewing machine arm；
Described drive mechanism includes eccentric, upper drive link and underdrive bar, and eccentric is fixedly connected on trimming and drives electricity
On the power output shaft of machine, upper drive link upper end is connected with eccentric, and junction is provided with bearing, upper drive link lower end with
Drive link upper end connects, and junction is provided with rotary shaft, and underdrive bar lower end is fixedly connected with fixing loop bar, sets in junction
It is equipped with tray and briquetting.The upper end of moving knife is fixedly connected with tray and briquetting.Due to the effect using eccentric, can be by trimming
Rotating of motor exports the powered motion form up and down being converted into cutter connecting rod.Turning due to eccentric in this technological means
Move and return the shake that described cutting knife produces left and right while moving up and down, be actually around the rotation in the eccentric center of circle, because
This, adopt rotary shaft so that the two can be freely rotatable, reach and eliminate drive rod between upper drive link lower end and underdrive bar
Left and right shake is it is ensured that moving knife is merely able to move up and down.
The lower section of described sewing machine arm is additionally provided with and drives trimming mechanism to drive towards the rotation of the direction of feed of sewing all the time
Motivation structure, described rotary drive mechanism includes rotary drive motor, loop bar, synchromesh gear, Timing Belt and driving wheel, motor
By the lower section of loop bar and sewing machine arm, synchromesh gear is connected with the output shaft of rotary drive motor, and Timing Belt connects synchronous gear
Wheel and driving wheel, driving wheel is fixedly connected with fixing loop bar.
Trimming and suture two procedures conjunction two can be by trimming device free to rotate simultaneously for the sewing that the present invention provides
One, reaching the purpose simultaneously carrying out operation, thus mentioning working performance, saving processing apparatus and manual labor simultaneously.And, this
Invention, for more complicated suture figure, is provided with rotary drive mechanism, by driving wheel be fixedly connected moving knife, stationary knife and pressure
The fixing loop bar of foot is fixed together, and reaches the effect driving moving knife rotation, thus ensureing apparatus of the present invention in excision phase
Aesthetic to the complicated flat smooth of margins of excision when suturing figure.
Brief description:
Fig. 1 is sewing machine overall structure diagram of the present invention.
Fig. 2 is trimming device axonometric chart free to rotate simultaneously of sewing in sewing machine of the present invention
Fig. 3 is moving knife in reflection Fig. 2, the explosive view of stationary knife and presser feet installation method
Specific embodiment:
Describe the present invention with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of mechanism of sewing trimming free to rotate simultaneously, including sewing machine arm 30, in sewing machine arm
30 front end is provided with shank 1, and shank 1 lower end is installed with eedle 10.The lower section of described sewing machine arm 30 is provided with phase
Trimming mechanism to the inner side clout excision in suture stitch direction；The top of described sewing machine arm 30 is provided with driving trimming mechanism
The power take-off mechanism of work；It is provided with the power outputing power in mechanism to pass between trimming mechanism and power take-off mechanism
The defeated drive mechanism to trimming mechanism；The lower section of described sewing machine arm is additionally provided with driving trimming mechanism entering towards sewing all the time
Rotary drive mechanism to direction.
Trimming mechanism include inside eedle 1 along shank 10 direction of motion move up and down moving knife 8, be located at eedle 1 in
The side stationary knife 12 static relative to moving knife and stationary knife 12 are fixed together and sewing are played with the presser feet 11 of pressing effect, for fixing
Stationary knife 12 and the fixing loop bar 2 of presser feet 11；
Power take-off mechanism has trimming motor 19 and motor fixing seat 29, and trimming motor 19 is fixedly installed on
In motor fixing seat 29, motor fixing seat 29 is fixedly connected with the top of sewing machine arm 30；
Drive mechanism includes eccentric 21, upper drive link 16 and underdrive bar 13, and eccentric 21 is fixedly connected on trimming and drives
On the power output shaft of galvanic electricity machine, upper drive link upper end is connected with eccentric, and junction is provided with bearing 23, upper drive link 16
Lower end is connected with underdrive bar 13 upper end, and junction is provided with fixed block 14 and fixing screws 15, under be provided with junction
Tray 27 and briquetting 4, the upper end of moving knife 8 is fixedly connected with tray 27 and briquetting 4.
Rotary drive mechanism includes rotary drive motor 24, loop bar 18, synchromesh gear 26, Timing Belt 6 and driving wheel 5, rotation
Turn the lower section that motor 24 is fixed on sewing machine arm 30 by loop bar 18, the output of synchromesh gear 26 and rotary drive motor 24
Axle is connected, and Timing Belt 6 connects synchromesh gear 26 and driving wheel 5, and driving wheel 5 is fixedly connected with fixing loop bar 2.
Needle plate 7 is fixed on sewing machine table by sunk screw 28, and needle plate stitch hole is formed around boss, and boss surrounding sets
There is lower deep gouge so that the groove of stationary knife 12 bottom can be engaged on boss rotates around it, and drop to and in needle plate groove, ensure seam
Material is easier to be directed between stationary knife 12 and the knife edge of moving knife 8.
It is fixedly connected eedle 10, by the pin hole at needle plate 7 center, by the drive in sagging sewing machine arm 30 below shank 1
Dynamic device moves up and down, and applies quilting jobs to sewing.Meanwhile, it is fixedly connected on stationary knife 12 and the presser feet on fixing loop bar 2
It also is provided with the pin hole concentric with above-mentioned needle plate central needle hole on 11, be easy to eedle 10 up and down motion suture sewing.Join in the present invention
Standby sewing machine arm 30 is current universal industrial sewing machine, and it drives the driving means that shank 1 moves up and down will not be described here.
In Fig. 3, presser feet 11 is fixedly supported on described fixing loop bar 2 by fixing screws 31.Stationary knife 12 is embedded in described
It is fixed on fixing loop bar 2 by fixing screws 31 with described presser feet 11 in fixing loop bar 2 groove simultaneously.Described moving knife 8 is embedded in
In fixing loop bar 2 upper groove, contact with described stationary knife 12 face being also secured in groove.Fixed block 9 passes through fixing screws 32
It is fixed on fixing loop bar 2.Housing screw 33 is threadedly attached on described fixed block 32, and has pressure to described moving knife 8
Tight effect is it is ensured that the elasticity of the relatively described stationary knife 12 face contact of described moving knife 8.Arrive this, described moving knife 8 can be relatively described solid
Stationary knife 12 on above-mentioned fixing loop bar 2 slides up and down, and the continuous feeding with sewing applies trimming operation to it.Described dynamic
The up and down motion of knife 8 is to be connected fixing in the described tray 27 being fixed on lower drive rod 13 and briquetting 4 by the groove that hooks of its upper end
Among the annular groove being formed after connection, thus move up and down with described lower drive rod 13.
The up and down motion of underdrive bar 13 be from the trimming motor 19 being fixed on sewing machine arm 30 upper end interval toward
It is transformed again.The technological means that the process of conversion uses in the present invention are made by the wobbler action of eccentric 21.
As shown in Fig. 2 trimming motor 19 is fixedly supported in motor fixing seat 29, described motor fixing seat 29 passes through fixing screws
17 are fixed on sewing machine arm 30, and the up and down motion for shank 1 provides power.Solid with the rotary output axis of trimming motor 19
The up and down motion of the upper drive link 16 being converted into by bearing 23 and its connection and left and right are trembled by the fixed eccentric 21 connecting
Dynamic, it is the rotation in the center of circle around described eccentric 21 actually.Upper drive link 16 and underdrive bar 13 pass through fixed block 14 and fix
Screw 15 connects, and fixed block 14 is fixedly connected with underdrive bar 13.Polished rod step is provided with fixing screws 15 so that uploading
Lever 16 and underdrive bar 13 can relatively rotate, and then the left and right of one end of the upper drive link 16 of elimination and eccentric 21 connection is trembled
The dynamic impact to the underdrive bar 13 only needing to up and down motion.
Arrive this, the interval reciprocating rotation being fixed on the trimming motor 19 of sewing machine arm 30 upper end is just converted into moving knife 8
With respect to pumping of stationary knife 12, thus realizing to the continuous trimming function of feeding sewing.
Described rotary drive mechanism includes rotary drive motor 24, loop bar 18, synchromesh gear 26, Timing Belt 6 and driving wheel
5, rotary drive motor 24 passes through the fixing lower section with sewing machine arm 30 of loop bar 18, synchromesh gear 26 and rotary drive motor 24
Output shaft is connected, and Timing Belt 6 connects synchromesh gear 26 and driving wheel (5)；Driving wheel 5 is fixedly connected with fixing loop bar 2.For seam
The complicated suture figure of material, when eedle 10 move up and down the sewing that feeding is come implement suture when, described driving wheel 5 pass through and
The fixing loop bar 2 that it is fixedly connected drives and fixes the rotation of the stationary knife 12, moving knife 8 and presser feet 11 that loop bar 2 is fixed together.From
And the knife edge realizing above-mentioned moving knife 8 and stationary knife 12 is followed described eedle 10 all the time and is moved and against seam along complicated suture figure
Material direction of feed.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not the present invention is made any formal
Restriction, any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example,
All still fall within the range of technical solution of the present invention.
Claims (4)
1. a kind of mechanism of sewing trimming free to rotate simultaneously, including sewing machine arm (30), in the front end of sewing machine arm (30)
It is provided with shank (1), shank (1) lower end is installed with eedle (10), it is characterized in that: the lower section of described sewing machine arm (30) sets
It is equipped with the trimming mechanism of the inner side clout excision in suture stitch direction relatively；The top of described sewing machine arm (30) is provided with drive
The power take-off mechanism of dynamic trimming mechanism work；It is provided with the mechanism that outputs power between trimming mechanism and power take-off mechanism
On power be transferred to the drive mechanism of trimming mechanism；The lower section of described sewing machine arm is additionally provided with driving trimming mechanism court all the time
The rotary drive mechanism of the direction of feed of sewing；Described drive mechanism include eccentric (21), upper drive link (16) and under pass
Lever (13), eccentric (21) is fixedly connected on the power output shaft of trimming motor (19), upper drive link (16) upper end
It is connected with eccentric (21), junction is provided with bearing (23), lived with underdrive bar upper end (13) in upper drive link (16) lower end
It is dynamically connected, junction is provided with fixed block (14) and fixing screws (15), underdrive bar (13) lower end is provided with tray (27)
With briquetting (4)；Described trimming mechanism includes the moving knife (8) moving up and down inside eedle (10) along the shank direction of motion, moves
The upper end of knife (8) is fixedly connected with tray (27) and briquetting (4).
2. the mechanism of sewing trimming free to rotate simultaneously according to claim 1, is characterized in that: described trimming mechanism bag
Include the moving knife (8) moving up and down along the shank direction of motion inside eedle (10), be located at relative moving knife (8) inside eedle (10)
Static stationary knife (12) and stationary knife (12) are fixed together and sewing are played with the presser feet (11) of pressing effect, is used for fixing stationary knife
(12) and presser feet (11) fixing loop bar (2).
3. the sewing machine of sewing trimming free to rotate simultaneously according to claim 1, is characterized in that: described power output
Mechanism has trimming motor (19) and motor fixing seat (29), and trimming motor (19) is fixedly installed on motor fixing seat
(29), on, motor fixing seat (29) is fixedly connected with the top of sewing machine arm.
4. the mechanism of sewing trimming free to rotate simultaneously according to claim 1, is characterized in that: described rotary driving machine
Structure includes rotary drive motor (24), loop bar (18), synchromesh gear (26), Timing Belt (6) and driving wheel (5), rotation driving electricity
Machine (24) is fixed on the lower section of sewing machine arm (30) by loop bar (18), and synchromesh gear (26) is defeated with rotary drive motor (24)
Shaft is connected, and Timing Belt (6) connects synchromesh gear (26) and driving wheel (5)；Described trimming mechanism is included in eedle (10)
Moving knife (8) that side moves up and down along the shank direction of motion, be located at static relative to moving knife (8) stationary knife (12) inside eedle (10),
It is fixed together with stationary knife (12) and sewing is played with the presser feet (11) of pressing effect, is used for fixing stationary knife (12) and presser feet (11)
Fixing loop bar (2), driving wheel (5) is fixedly connected with fixing loop bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488599.8A CN104213342B (en) | 2014-09-23 | 2014-09-23 | Mechanism for sewing and free-rotation trimming simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488599.8A CN104213342B (en) | 2014-09-23 | 2014-09-23 | Mechanism for sewing and free-rotation trimming simultaneously |
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| Publication Number | Publication Date |
|---|---|
| CN104213342A CN104213342A (en) | 2014-12-17 |
| CN104213342B true CN104213342B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410488599.8A Active CN104213342B (en) | 2014-09-23 | 2014-09-23 | Mechanism for sewing and free-rotation trimming simultaneously |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200678B (en) * | 2015-09-21 | 2018-06-15 | 上海威士机械有限公司 | A kind of sewing machine synchronous cutter |
| CN106319783B (en) * | 2016-10-18 | 2023-05-30 | 浙江中捷缝纫科技有限公司 | Cutter mechanism of sewing machine |
| CN107164886A (en) * | 2017-06-30 | 2017-09-15 | 苏州巨康缝制机器人有限公司 | A kind of full-automatic material distributing machine edge-neatening apparatus of longitudinal direction suture |
| CN107217402B (en) * | 2017-08-04 | 2023-01-31 | 浙江耐拓机电科技有限公司 | Cutter structure of sewing machine |
| CN107604541B (en) * | 2017-09-22 | 2023-04-07 | 舒普智能技术股份有限公司 | Sewing machine with joint cutting function |
| CN107700088B (en) * | 2017-09-22 | 2023-06-06 | 舒普智能技术股份有限公司 | Rotary driving mechanism of sewing machine |
| CN107558018B (en) * | 2017-09-22 | 2021-12-10 | 舒普智能技术股份有限公司 | Cutter driving mechanism of sewing machine |
| CN109594320A (en) * | 2017-09-30 | 2019-04-09 | 杰克缝纫机股份有限公司 | A kind of automatic cloth cutting device |
| CN109957890A (en) * | 2017-12-26 | 2019-07-02 | 拓卡奔马机电科技有限公司 | A kind of rotation cloth cut device |
| CN110106641A (en) * | 2019-05-29 | 2019-08-09 | 深圳市天昊科技有限公司 | A kind of sewing cutter device |
| CN110699868A (en) * | 2019-10-21 | 2020-01-17 | 中山华利企业有限公司 | Rotary drum type sewing equipment |
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| JP3980175B2 (en) * | 1998-05-25 | 2007-09-26 | Ｊｕｋｉ株式会社 | Sewing cloth cutting knife control device |
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| DE102006021425A1 (en) * | 2006-05-05 | 2007-11-08 | Zsk Stickmaschinen Gmbh | Separating and positioning device |
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| CN204151547U (en) * | 2014-09-23 | 2015-02-11 | 苏州澳拓美盛自动化设备有限公司 | The mechanism of sewing trimming free to rotate simultaneously |
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| CN104213342A (en) | 2014-12-17 |
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