CN209456681U - A kind of tension force of facial suture stabilising arrangement on sewing machine - Google Patents
A kind of tension force of facial suture stabilising arrangement on sewing machine Download PDFInfo
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- CN209456681U CN209456681U CN201920022841.0U CN201920022841U CN209456681U CN 209456681 U CN209456681 U CN 209456681U CN 201920022841 U CN201920022841 U CN 201920022841U CN 209456681 U CN209456681 U CN 209456681U
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- wire spool
- sewing machine
- tension force
- tension
- facial suture
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Abstract
The utility model provides the tension force of facial suture stabilising arrangement on a kind of sewing machine, belongs to clothes manufacturing equipment technical field.It solves the tension force of facial suture of existing sewing machine not enough accurate technical problems such as stable.This sewing machine includes casing, and tension force of facial suture stabilising arrangement includes being installed in torsion motor on casing, and wire spool is installed on the output shaft of torsion motor, is had on wire spool along its circumferential winding area.Remain that the torsional moment of tension force of facial suture and torsion motor is equal in magnitude in the technical program, it is not interfered by external condition, so needing that upper thread is allowed to be in static friction state with wire spool always, it not can produce sliding friction, when upper thread type or thickness change, will not because of the coefficient of sliding friction change and change its tension.
Description
Technical field
The utility model belongs to clothes manufacturing equipment technical field, and the tension force of facial suture being related on a kind of sewing machine stablizes dress
It sets.
Background technique
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, sewing machine are generally all made of feed device, base, transmission and four part of attachment, pass through
The movement of each mechanism reasonably cooperates, and cycle operation unites by a seam sewing.In order to guarantee sewing quality and effect, need pair
The tension of upper thread is controlled, and is ensured the smooth of upper thread feeding and is stablized；Usually it is arranged on the shell of sewing machine in the prior art
There is tension disk, tension force of facial suture is adjusted by adjusting the decrement of the compressed spring in tension disk, and this regulative mode has one
A little disadvantages: because upper thread is clipped in the middle by two clamping plates, tension force of facial suture size has the sliding of compressed spring pressure, upper thread and clamping plate
Coefficient of friction etc. determines, every to replace a kind of upper thread and be both needed to so different upper thread types, thickness will affect tension force of facial suture size
Tension adjustment is carried out to guarantee to be formed good stitching；After sewing machine works long hours, sundries can be inevitably adhered in tension disk,
It causes tension force of facial suture to change, influences stitching beauty.
Current wire extender structure is as depicted in figs. 1 and 2, and entire clamp device assembly (7) is fixed on the casing of sewing machine,
Upper thread is by the way that between two clamping plates (71), clamping plate end is provided with compressed spring (72), compressed spring (72) other end and tension
Adjusting knob (73) is inconsistent, and the screw thread matched with screw rod (74) is provided on tension adjustment knob (73), is revolved by adjusting
The elastic force of button (73) control compressed spring (72) is to change clamping plate (71) to the clamping force of upper thread (2).
It is controllable that Chinese patent (notification number: CN203700736U, publication date: 2014-07-09) discloses a kind of tension force of facial suture
Sewing machine: computer connects iron-core coil by controller, and iron-core coil connects power supply by controller, consolidates outside iron-core coil
Dingan County fills electromagnet base, and iron-core coil free end connects armature, and armature is vertically fixedly connected on connection spiral shell axis, and connection spiral shell axis connects
I lower end of swing rod is connect, I middle position of swing rod is fixed on electromagnet base, and I middle position of swing rod is equipped with bearing, and swing rod I can be with bearing
Center is axis rotation, and I upper end of swing rod is fixed on electromagnet base, hangs by hanging the fixed tension spring one end of spring spiral shell axis, the tension spring other end
Spring spiral shell axis is fixedly connected with oscillating bearing I, and oscillating bearing I is fixedly connected with transmission lever；Electromagnet base is equipped with sliding slot, and sliding slot is located at pendulum
The centre in I middle position of I upper end of bar and swing rod, sliding slot are equipped with block close to I side of swing rod, and block can move along the chute.
Electromagnet is controlled to adjust tension force of facial suture by computer in above patent document, is adjusted although realizing automation
It is whole, but tension force of facial suture still is controlled by the way of clamping, it is easy the interference effect by coefficient of friction and foreign matter, upper thread
Tension is not precisely reliable enough.
Summary of the invention
The utility model aiming at the above problems existing in the prior art, stablize by the tension force of facial suture provided on a kind of sewing machine
Device, the technical problem to be solved by the utility model is to how to realize the accurate stability contorting to tension force of facial suture in sewing machine.
The purpose of this utility model can be realized by the following technical scheme:
A kind of tension force of facial suture stabilising arrangement on sewing machine, sewing machine includes casing, which is characterized in that the tension force of facial suture
Stabilising arrangement includes fixed torsion motor on the housing, is installed with wire spool on the output shaft of the torsion motor, described
Have on wire spool along its circumferential winding area.
The principle is as follows: in use, upper thread winds a few by wire spool and the winding area among wire spool；To protect
Card upper thread and wire spool do not generate sliding, are in static friction state always.When eedle needs upper thread, thread take-up tension lever will be from wire spool
Upper extraction upper thread, this does not generate sliding in the process between upper thread and wire spool, upper thread only needs to overcome the torsional moment of torsion motor
To drive wire spool to rotate, and then line amount is broadcasted for thread take-up tension lever, since the torsional moment of torsion motor is constant setting value, upper thread
Tension be consistent always with the outputting torsion square of torsion motor.When eedle does not need upper thread, thread take-up tension lever is moved downward, and is chosen
Stopping is extracted upper thread by line bar from wire spool, and tension force of facial suture zero, the output shaft of torsion motor will remain stationary state at this time,
I.e. wire spool also stops operating, and stops line sending.
Remain that the torsional moment of tension force of facial suture and torsion motor is equal in magnitude in the technical program, it is not dry by external condition
It disturbs, so needing that upper thread is allowed to be in static friction state with wire spool always, not can produce sliding friction, upper thread type or thickness hair
It is raw when changing, will not because of the coefficient of sliding friction change and change its tension.
The torsional moment of torsion motor can be accurately controlled by automatically controlled in the technical program, and the torsional moment size of torsion motor can be from
It is shown on sewing machine display panel, easily realizes tension force of facial suture visualization, and upper thread can be saved according to different sewing operating conditions
Force data facilitates sewing next time adjust automatically, improves the convenience used.
In the tension force of facial suture stabilising arrangement on above-mentioned sewing machine, the wire spool is in the form of annular discs, the wire spool
Middle part has mounting hole, and the output shaft outer end of the torsion motor plugs in the mounting hole and circumferentially solid with the wire spool
Fixed connection.
In the tension force of facial suture stabilising arrangement on above-mentioned sewing machine, the two sides of the wire spool have baffle.So just
In the winding of upper thread, upper thread is prevented to be detached from wire spool.
In the tension force of facial suture stabilising arrangement on above-mentioned sewing machine, the torsion motor is installed in the interior of the casing
The output shaft in portion, the torsion motor stretches out outside the casing, and the wire spool is located at the outside of the casing and is located at sewing
Below the thread take-up tension lever and pulling thread base of machine.
Compared with prior art, the bobbin winder device in the utility model has the advantage that
1, remain that the torsional moment of tension force of facial suture and torsion motor is equal in magnitude in the technical program, not by external condition
Interference, so needing that upper thread is allowed to be in static friction state with wire spool always, not can produce sliding friction, upper thread type or thickness
When changing, will not because of the coefficient of sliding friction change and change its tension.
2, the torsional moment of torsion motor can be accurately controlled by automatically controlled in the technical program, the torsional moment size energy of torsion motor
It is shown from sewing machine display panel, easily realizes tension force of facial suture visualization, and upper thread can be saved according to different sewing operating conditions
Tension data facilitates sewing next time adjust automatically, improves the convenience used.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of tension disk in the prior art.
Fig. 2 is the structural schematic diagram of tension disk in the prior art.
Fig. 3 is the mounting structure schematic diagram one of this tension force of facial suture stabilising arrangement.
Fig. 4 is the mounting structure schematic diagram two of this tension force of facial suture stabilising arrangement.
Fig. 5 is this tension force of facial suture stabilising arrangement using state structure diagram.
Fig. 6 is tension force of facial suture-time curve graph when this tension force of facial suture stabilising arrangement uses.
In figure, 1, casing；2, upper thread；3, torsion motor；31, output shaft；4, wire spool；41, mounting hole；42, baffle；
43, winding area；5, thread take-up tension lever；6, pulling thread base；7, clamp device assembly；71, clamping plate；72, compressed spring；73, tension adjustment is revolved
Button；74, screw rod.
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.
As shown in Figures 3 to 5, this sewing machine includes casing 1, thread take-up tension lever 5 and pulling thread base 6, this tension force of facial suture stabilising arrangement
Including the torsion motor 3 being installed on casing 1, it is installed with wire spool 4 on the output shaft 31 of torsion motor 3, has on wire spool 4
The winding area 43 circumferential along it；Wire spool 4 is in the form of annular discs, and the middle part of wire spool 4 has a mounting hole 41, torsion motor 3 it is defeated
31 outer end of shaft be plugged in mounting hole 41 and with the circumferentially fixed connection of wire spool 4.The two sides of wire spool 4 have baffle 42.This
Sample is convenient for the winding of upper thread 2, and upper thread 2 is prevented to be detached from wire spool 4；Torsion motor 3 is installed in the inside of casing 1, torsion motor 3
Output shaft 31 stretches out outside casing 1, and wire spool 4 is located at the outside of casing 1 and is located at 6 lower section of thread take-up tension lever 5 and pulling thread base of sewing machine.
The principle is as follows: in use, upper thread 2 passes through wire spool 4 and 43 writhing number of winding area among wire spool 4
Circle；To guarantee that upper thread 2 and wire spool 4 do not generate sliding, it is in static friction state always.When eedle needs upper thread 2, thread take-up tension lever
5 will extract upper thread 2 from wire spool 4, this does not generate sliding in the process between upper thread 2 and wire spool 4,2 needs of upper thread overcome
The torsional moment of torsion motor 3 broadcasts line amount to drive wire spool 4 to rotate for thread take-up tension lever 5, due to the torsion of torsion motor 3
Square is constant setting value, and the tension of upper thread 2 is consistent with the outputting torsion square of torsion motor 3 always.When eedle does not need
When upper thread 2, thread take-up tension lever 5 is moved downward, and thread take-up tension lever 5 will stop extracting upper thread 2 from wire spool 4, and 2 tension of upper thread is zero, at this time
The output shaft 31 of torsion motor 3 will remain stationary state, i.e. wire spool 4 also stops operating, and stop line sending.
It as shown in connection with fig. 6, is 2 tension of program upper thread-time curve graph, when thread take-up tension lever 5 needs to take out line, upper thread 2
Tension is equal with the outputting torsion of torsion motor 3 always, is not interfered by external condition.Upper thread 2 is in quiet with wire spool 4 always and rubs
Wiping state does not generate sliding friction, will not be because of the change of the coefficient of sliding friction when 2 type of upper thread or thickness change
And change its tension.
The torsional moment of torsion motor 3 can be accurately controlled by automatically controlled in this tension force of facial suture stabilising arrangement, the torsion of torsion motor 3
Square size can be shown from sewing machine display panel, easily realize the visualization of 2 tension of upper thread, and can be according to different sewing operating conditions
2 tension data of upper thread is saved, facilitates sewing next time adjust automatically, improves the convenience used.
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.
Although 1, casing is used more herein；2, upper thread；3, torsion motor；31, output shaft；4, wire spool；41, pacify
Fill hole；42, baffle；43, winding area；5, thread take-up tension lever；6, pulling thread base；7, clamp device assembly；71, clamping plate；72, compressed spring；
73, tension adjustment knob；74, the terms such as screw rod, but it does not exclude the possibility of using other terms.Only using these terms
It is the essence in order to be more convenient to describe and explain the utility model；Be construed as any additional limitation all and be with
What the spirit of the present invention was disagreed.
Claims (4)
1. the tension force of facial suture stabilising arrangement on a kind of sewing machine, sewing machine includes casing (1), which is characterized in that the upper thread
Power stabilising arrangement includes being installed in torsion motor (3) on the casing (1), solid on the output shaft (31) of the torsion motor (3)
Have equipped with wire spool (4), on the wire spool (4) along its circumferential winding area (43).
2. the tension force of facial suture stabilising arrangement on sewing machine according to claim 1, which is characterized in that the wire spool (4)
In the form of annular discs, the middle part of the wire spool (4) has mounting hole (41), and output shaft (31) outer end of the torsion motor (3) is inserted
Be located in the mounting hole (41) and with the wire spool (4) circumferentially fixed connection.
3. the tension force of facial suture stabilising arrangement on sewing machine according to claim 2, which is characterized in that the wire spool (4)
Two sides have baffle (42).
4. the tension force of facial suture stabilising arrangement on sewing machine according to claim 3, which is characterized in that the torsion motor
(3) it is installed in the inside of the casing (1), the output shaft (31) of the torsion motor (3) stretches out the casing (1) outside, described
Wire spool (4) is located at the outside of the casing (1) and is located at below the thread take-up tension lever (5) and pulling thread base (6) of sewing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920022841.0U CN209456681U (en) | 2019-01-07 | 2019-01-07 | A kind of tension force of facial suture stabilising arrangement on sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920022841.0U CN209456681U (en) | 2019-01-07 | 2019-01-07 | A kind of tension force of facial suture stabilising arrangement on sewing machine |
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| CN209456681U true CN209456681U (en) | 2019-10-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417082A (en) * | 2021-08-24 | 2021-09-21 | 南通绿庭纺织科技有限公司 | Automatic sewing machine based on cloth fabrics is with preventing broken string |
| CN114000271A (en) * | 2020-07-27 | 2022-02-01 | 杰克缝纫机股份有限公司 | Active thread supply device, sewing machine and active thread supply method |
-
2019
- 2019-01-07 CN CN201920022841.0U patent/CN209456681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000271A (en) * | 2020-07-27 | 2022-02-01 | 杰克缝纫机股份有限公司 | Active thread supply device, sewing machine and active thread supply method |
| CN113417082A (en) * | 2021-08-24 | 2021-09-21 | 南通绿庭纺织科技有限公司 | Automatic sewing machine based on cloth fabrics is with preventing broken string |
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