CN207828536U - A kind of draft gear of multineedle sewing machine - Google Patents
A kind of draft gear of multineedle sewing machine Download PDFInfo
- Publication number
- CN207828536U CN207828536U CN201721892065.7U CN201721892065U CN207828536U CN 207828536 U CN207828536 U CN 207828536U CN 201721892065 U CN201721892065 U CN 201721892065U CN 207828536 U CN207828536 U CN 207828536U
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- CN
- China
- Prior art keywords
- pinch roller
- sewing machine
- cloth
- fixed frame
- draft gear
- 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.)
- Expired - Fee Related
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a kind of draft gears of multineedle sewing machine, it is related to sewing machine field, including the fixed frame being arranged on sewing machine, rotation connection is useful for the pinch roller pushed against with cloth on the fixed frame, the pinch roller and the rolling tangential direction of cloth contact position are identical as the conveying direction of cloth, and described pinch roller one end is connected with the driving device being fixedly connected on fixed frame and for driving pinch roller to rotate；Pinch roller rotation is driven by driving motor, and pinch roller pushes against cloth, and static friction is generated between pinch roller and cloth, static friction is converted into tractive force, realizes the automatic traction to cloth, improves sewing efficiency, saves manpower.
Description
Technical field
The utility model is related to sewing machine fields, more specifically, it relates to a kind of draft gear of multineedle sewing machine.
Background technology
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread
The machine that material interweaves or unites by a seam.
The Chinese utility model that notification number is CN102002821A discloses a kind of multi-stitch flat type lock-stitch and threads machine and decoration
Linear slit, on sewing machine case with three up and down needles, in cloth mounting surface horizontal hunting deconcentrator, and with
By decorative thread supply linear slit upper surface and the mode that sews decorative pattern constitute, the multi-stitch flat type lock-stitch is threaded the feature of machine
It is have：Fixing line guiding piece, which is fixed on sewing machine case, and is set side by side above deconcentrator
There are the first slot hole and the second slot hole；Two hook portions, which is disposed side by side on deconcentrator, and engages with decorative thread.
During using this sewing machine, the cloth by sewing can wait in situ, needing by hand traction ability
Persistently sew, it is less efficient.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of traction of multineedle sewing machine dresses
It sets, by the setting of driving device and pinch roller, realizes automatic traction of the pinch roller in sewing process to cloth, improve efficiency, section
Human-saving.
To achieve the above object, the utility model provides following technical solution：
A kind of draft gear of multineedle sewing machine, including the fixed frame that is arranged on sewing machine rotate on the fixed frame
It is connected with the pinch roller for being pushed against with cloth, the pinch roller and the rolling tangential direction of cloth contact position and the conveying direction of cloth
Identical, described pinch roller one end is connected with the driving device being fixedly connected on fixed frame and for driving pinch roller to rotate.
By using above-mentioned technical proposal, driving device drives pinch roller rotation, and pinch roller pushes against cloth, between pinch roller and cloth
Static friction is generated, static friction is converted into tractive force, realizes the automatic traction to cloth, improves sewing efficiency, saves manpower.
Preferably, axis pin is rotatably connected on the fixed frame, the pinch roller is socketed on outside the axis pin, and the pinch roller
The shackle member for avoiding the two from relatively rotating is provided between axis pin；The shackle member include along the axis pin to
It is opened in the card slot of axis pin side and is set to the fixture block of pinch roller inner peripheral surface being engaged by clamping with the card slot, the axis pin and drive
Dynamic device connection.
By using above-mentioned technical proposal, pinch roller is fixed to each other with axis pin by card slot and fixture block, passes through driving device band
Dynamic axis pin rotation, drives pinch roller rotation, the transmission process of realization driving device to pinch roller.
Preferably, the axis pin includes the shaft that axle cap, one end and the axle cap are rotatablely connected, the axle cap and fixed frame
It is threadedly coupled；The driving device includes driving motor and the fixing piece for fixing driving motor, and the shaft is far from axle cap
The rotation axis connection of one end and driving motor.
By using above-mentioned technical proposal, axis pin is screwed by axle cap and fixed frame, and axle cap is rotatablely connected with shaft,
Shaft can also follow motor shaft to rotate while making axis pin in rotation without departing from fixed frame, and be threadably secured.
Preferably, it is socketed with elastic component outside the pinch roller.
By using above-mentioned technical proposal, make between pinch roller and cloth that there are elastic spaces, while increasing pinch roller and cloth
The contact area of material avoids skidding to improve the frictional force of pinch roller and cloth.
Preferably, the elastic component circumferential surface is evenly arranged with raised band along its axial direction.
By using above-mentioned technical proposal, improve the contact area of elastic material and cloth, increase elastic material with
The frictional force of cloth, avoids the occurrence of slipping phenomenon.
Preferably, the adhesive tape for being bonded strands is provided between the raised band.
By using above-mentioned technical proposal, the end of a thread is will produce during sewing, it is viscous by being arranged between raised band
Property band, the end of a thread can be glued, make relatively clean after the completion of cloth sewing, the scale removal process after saving saves the time.
Preferably, the elastic component is provided at both ends with towards opposite thread belt.
It, can be by the cloth below elastic component by thread belt flattening-out, so as to by cloth by using above-mentioned technical proposal
Strands on material are as much as possible to be cleaned up.
Preferably, the fixing piece includes being close to the fastener of driving motor and both ends conflict fixed frame and for consolidating fastener
The screw being scheduled on fixed frame.
By using above-mentioned technical proposal, driving motor is fixed on fixed frame, avoids driving electricity in use
Machine is detached from fixed frame and does not drive axis pin, and driving motor running is made to stablize.
Compared with prior art, the utility model has the advantages that：
1, pinch roller rotation is driven by driving motor, and pinch roller pushes against cloth, and static friction is generated between pinch roller and cloth, it is quiet
Friction is converted into tractive force, realizes the automatic traction to cloth, improves sewing efficiency, saves manpower；
2, it is socketed elastic component outside pinch roller and improves frictional force of the pinch roller to cloth, the tractive force improved avoids pinch roller
Relative sliding is generated between cloth；
3, the adhesive tape between the raised band on elastic material can be bonded the end of a thread on cloth, and the cloth for keeping sewing complete compares
Totally, the clean-up process after saving.
Description of the drawings
Fig. 1 is the utility model dimensional structure diagram；
Fig. 2 is the partial cutaway schematic at pinch roller in the present embodiment；
Fig. 3 is the enlarged diagram in the portions B in Fig. 2；
Fig. 4 is the enlarged diagram in the portions A in Fig. 1.
Reference numeral：1, sewing machine；3, fixed frame；31, driving motor；331, fastener；332, screw；34, axis pin；341、
Shaft；342, axle cap；344, fixture block；345, card slot；4, pinch roller；41, elastic rubber；42, raised band.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of draft gear of multineedle sewing machine, referring to Fig.1, including be arranged on sewing machine 1 fixed frame 3, rotation connect
The pinch roller 4 pushed against with cloth being connected on fixed frame 3（The technical characteristic can refer to Fig. 2）, and the use that is fixed on fixed frame 3
In the driving device that driving pinch roller 4 rotates, pinch roller 4 and the rolling tangential direction of cloth contact position and the conveying direction phase of cloth
Together.After staff sews to cloth, rotated using driving device driving pinch roller 4, pinch roller 4 drives cloth defeated forward
It send, eliminates artificial traction the step, improve work efficiency.
With reference to Fig. 2, axis pin 34 is rotatably connected on fixed frame 3, the axis pin 34 include shaft 341 and with 341 one end of shaft
The axle cap 342 of rotation connection, 342 side of axle cap are provided with external screw thread and are threadedly coupled with fixed frame 3,341 other end of shaft with
Driving device connects.In the present embodiment, with reference to Fig. 3, driving device includes driving motor 31 and for fixing driving motor 31
Fixing piece on fixed frame 3, rotation axis and the shaft 341 of driving motor 31 are fixedly and coaxially connected, when driving motor 31 works
When, shaft 341 is rotatable.Fixing piece includes the fastener 331 for being close to driving motor 31 and both ends conflict fixed frame 3, and is used for
The screw 332 fastener 331 being fixed on fixed frame 3.Pinch roller 4 is socketed in outside shaft 341, and between pinch roller 4 and shaft 341
It is provided with shackle member, pinch roller 4 is can avoid and relatively rotates with shaft 341.Shackle member includes being opened in along shaft 341 is axial
The card slot 345 of 341 side of shaft, and the fixture block 344 being engaged by clamping with card slot 345 in 4 inner peripheral surface of pinch roller is set, work as shaft
When 341 rotation, pinch roller 4 can be driven to rotate under the interaction of fixture block 344 and card slot 345.
With reference to Fig. 4 elastic component, this implementation are socketed with outside pinch roller 4 to increase the tractive force between pinch roller 4 and cloth
In example, elastic component uses elastic rubber 41, and 41 circumferential surface of elastic rubber is evenly arranged with several raised bands 42 along its axial direction, in protrusion
With the adhesive tape being provided between 42 for bonding strands（It is not marked in figure）.Axis pin is driven by the rotation axis of driving motor 31
34 shaft 341 rotates, and shaft 341 drives pinch roller 4 to rotate, and static friction is generated between elastic rubber 41 and cloth, is formed to cloth
The tractive force of material, to realize the traction to cloth.
In order to preferably remove the strands on cloth, in being provided at both ends with towards opposite screw thread for elastic rubber 41
Band so that there is the trend being unfolded to both ends by the cloth of 4 lower section of pinch roller.The operation principle of the utility model：
When staff operates, first a part of cloth sewed is guided to 4 lower section of pinch roller, then makes driving motor
31 work, driving motor 31 drive shaft 341 to rotate, and shaft 341 drives pinch roller 4 to rotate, elastic rubber 41 and cloth outside pinch roller 4
Material generates static friction, and formation saves labour to drive cloth to advance to the tractive force of cloth, improves work efficiency.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of draft gear of multineedle sewing machine, which is characterized in that including the fixed frame (3) being arranged on sewing machine (1), institute
It states rotation connection on fixed frame (3) and is useful for the pinch roller (4) pushed against with cloth, the rotation of pinch roller (4) and cloth contact position
Tangential direction is identical as the conveying direction of cloth, and described pinch roller (4) one end, which is connected with, to be fixedly connected on fixed frame (3) and be used for
The driving device for driving pinch roller (4) to rotate.
2. the draft gear of multineedle sewing machine according to claim 1, which is characterized in that rotated on the fixed frame (3)
It is connected with axis pin (34), the pinch roller (4) is socketed on the axis pin (34) outside, and is set between the pinch roller (4) and axis pin (34)
It is equipped with the shackle member for avoiding the two from relatively rotating；
The shackle member includes axially being opened in the card slot (345) of axis pin (34) side along the axis pin (34) and being set to pressure
The fixture block (344) being engaged by clamping with the card slot (345) of (4) inner peripheral surface is taken turns, the axis pin (34) connect with driving device.
3. the draft gear of multineedle sewing machine according to claim 2, which is characterized in that the axis pin (34) includes axle cap
(342), the shaft (341) of one end and the axle cap (342) rotation connection, the axle cap (342) connect with fixed frame (3) screw thread
It connects；
The driving device includes driving motor (31) and the fixing piece for fixing driving motor (31), the shaft (341)
Rotation axis connection far from axle cap (342) one end and driving motor (31).
4. the draft gear of the multineedle sewing machine according to any one of claim 1-3, which is characterized in that the pinch roller
(4) elastic component is socketed with outside.
5. the draft gear of multineedle sewing machine according to claim 4, which is characterized in that the elastic component circumferential surface is along its axis
To being evenly arranged with raised band (42).
6. the draft gear of multineedle sewing machine according to claim 5, which is characterized in that set between the raised band (42)
It is equipped with the adhesive tape for being bonded strands.
7. the draft gear of multineedle sewing machine according to claim 5, which is characterized in that the both ends of the elastic component are arranged
Have towards opposite thread belt.
8. the draft gear of multineedle sewing machine according to claim 3, which is characterized in that the fixing piece includes being close to drive
Dynamic motor (31) and both ends contradict the fastener (331) of fixed frame (3) and for fastener (331) to be fixed on fixed frame (3)
Screw (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892065.7U CN207828536U (en) | 2017-12-28 | 2017-12-28 | A kind of draft gear of multineedle sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892065.7U CN207828536U (en) | 2017-12-28 | 2017-12-28 | A kind of draft gear of multineedle sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207828536U true CN207828536U (en) | 2018-09-07 |
Family
ID=63390672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721892065.7U Expired - Fee Related CN207828536U (en) | 2017-12-28 | 2017-12-28 | A kind of draft gear of multineedle sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207828536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023225852A1 (en) * | 2022-05-24 | 2023-11-30 | Abb Schweiz Ag | Device and method for thread drawing |
-
2017
- 2017-12-28 CN CN201721892065.7U patent/CN207828536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023225852A1 (en) * | 2022-05-24 | 2023-11-30 | Abb Schweiz Ag | Device and method for thread drawing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20181228 |