CN107513818A - Sewing machine electric air-suction device - Google Patents
Sewing machine electric air-suction device Download PDFInfo
- Publication number
- CN107513818A CN107513818A CN201710794662.4A CN201710794662A CN107513818A CN 107513818 A CN107513818 A CN 107513818A CN 201710794662 A CN201710794662 A CN 201710794662A CN 107513818 A CN107513818 A CN 107513818A
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- Prior art keywords
- sewing machine
- induced
- electric motor
- pipe
- suction device
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/06—Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
- D05D2207/04—Suction or blowing devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a kind of sewing machine electric air-suction device, belong to sewing machine technique field.The induced-draught electric motor that it solves the problems, such as in existing sewing machine air intake device is chronically at working condition and has that energy consumption is big, noise is big, service life is short.This sewing machine electric air-suction device, including the internal capping for closed cavity that there is the cylinder of cavity and be placed at the top of cylinder, capping is provided with the inlet scoop connected respectively with cavity and interface, induced-draught electric motor and filter screen are provided with inlet scoop, interface is connected with the suction pipe for drawing the end of a thread, electric air-suction device also includes control module, for when thread cutting mechanism acts, control module control induced-draught electric motor enters working condition by original state, after string-hooking mechanism release, control module control induced-draught electric motor returns to original state by working condition.The present invention is controlled the working condition of air intake device by control module according to the working condition of sewing machine, has the advantages that temperature rise is low, energy consumption is low, noise is low and service life is long.
Description
Technical field
The invention belongs to sewing machine technique field, is related to a kind of sewing machine electric air-suction device.
Background technology
Air intake device is one of extremely important attachment device in sewing machine, for collecting the impurity such as the end of a thread and cloth waste.Mesh
Before, air intake device is divided into two classes：One kind is the pneumatic air intake device that external gas source coordinates, and one kind is motor-driven electric air-suction
Device.Pneumatic air intake device structure and installation are relative complex, cost is higher, and suction size is had a great influence by plant source.It is existing
Electric air-suction apparatus structure it is relatively easy, suck the mode of air as vertical suction, suction is small, and air displacement is few, motor temperature
Rise, suction efficiency are low.
Therefore, Chinese patent discloses the air suction structure and inhalation methods [Shen Qing Publication of a kind of use in sewing machine air intake device
Number it is：CN105544105A], include storing the dustbin of waste material thing, the top cover of dustbin is provided with air inlet and inlet scoop, inhales
Air port is connected with induced-draught electric motor, and the spiral air-suction channel being connected with inlet scoop is provided with dustbin.It is led to using spiral air draught
Road makes to form spiral air flow in dustbin under the suction of induced-draught electric motor, and then generates powerful negative pressure region, makes dustbin
There is very strong suction in air inlet, in the case where induced-draught electric motor power is constant, reach most strong air draught effect.
In above-mentioned air suction structure, worked always after sewing machine is worked while induced-draught electric motor also works or air draught bucket is started shooting,
But the induced-draught electric motor effective time is after trimming or after cutting cloth, if induced-draught electric motor works always can cause continual suction
Gas, motor ceaselessly operate that sent noise big, power consumption and caloric value are big, and prolonged operation causes induced-draught electric motor to make
The problems such as with short life；Meanwhile this dustbin long-time air-breathing, the filtering such as air draught screen pack branch can be caused to block, air stream
The windage for entering dustbin becomes big, and motor temperature rise is high, suction unstability then be present, filter screen replacement frequency is accelerated and safeguards
The shortcomings of cost is high, cause dustbin can not meet requirement.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of sewing machine ability work in trimming
The sewing machine electric air-suction device of work.
The purpose of the present invention can be realized by following technical proposal：
This sewing machine electric air-suction device, described sewing machine include thread cutting mechanism and string-hooking mechanism, electric air-suction dress
Put including the internal capping for closed cavity that there is the cylinder of cavity and be placed at the top of cylinder, described capping, which is provided with, to divide
The inlet scoop not connected with cavity and interface, induced-draught electric motor and filter screen, the connection of described interface are provided with described inlet scoop
There is the suction pipe for suction line head, it is characterised in that the electric air-suction device also includes control module, for that above-mentioned ought cut
When line mechanism acts, the control module controls above-mentioned induced-draught electric motor to enter working condition by original state, when above-mentioned hooking
After mechanism action terminates, the control module controls above-mentioned induced-draught electric motor to return to original state by working condition；
Wherein, the original state is that above-mentioned induced-draught electric motor is in holding state or low-power operating condition；The work
State is that above-mentioned induced-draught electric motor is in the state that runs at high speed with normal suction.
In above-mentioned sewing machine electric air-suction device, described control module for sewing Electrical Control, above-mentioned induced-draught electric motor
It is directly connected to sewing Electrical Control, or is electricly connected including above-mentioned sewing Electrical Control and by control line and above-mentioned sewing machine
Control board, the control board be connected with above-mentioned induced-draught electric motor and drive induced-draught electric motor work.
In above-mentioned sewing machine electric air-suction device, described side of the capping away from cylinder, which fastens, is provided with lid,
Described upper lid has inner chamber one, and described upper lid is provided with exhaust outlet, and described induced-draught electric motor is arranged in inner chamber one.Upper lid
Induced-draught electric motor is shielded, effectively extends the service life of induced-draught electric motor.
Suction pipe is connected with the suction nozzle of sewing machine hooking device, and induced-draught electric motor rotates at a high speed, by what is formed by covering with cylinder
Cavity is aspirated into negative-pressure vacuum shape, and air mixing the end of a thread enters cavity from suction nozzle through suction pipe and interface, in the presence of filter screen
By the end of a thread barrier in the cavity of cylinder, air then passes through filter screen, is entered by inlet scoop in induced-draught electric motor, immediately into upper lid
Inner chamber one in, finally discharged by exhaust outlet.
In above-mentioned sewing machine electric air-suction device, described control board is arranged on the inner chamber one of above-mentioned upper lid
In, or be directly installed on the upper surface of above-mentioned capping and positioned at the outside of above-mentioned upper lid.Control board can be installed
In upper cover cavity one, so due to there is the protection of upper lid, control board can be protected preferably, so as to ensure to use the longevity
Life is longer；Certainly in actual use, due to adding many electronic components in control board, its volume is larger, upper
It can not placed any more in cover cavity one, and often directly control board is directly moved to and is arranged on capping upper surface, without
It is in inner chamber one, so as to improve thermal diffusivity.In above-mentioned sewing machine electric air-suction device, described suction pipe includes and interface
The pipe one of connection and the pipe two connected with pipe one, the length of the pipe one are more than or equal to the length of pipe two.
In above-mentioned sewing machine electric air-suction device, the internal diameter of the pipe one is more than the internal diameter of pipe two.So setting can
Increase air velocity.
In above-mentioned sewing machine electric air-suction device, the internal diameter of the pipe one is equal with the internal diameter of pipe two and Guan Yiyu is managed
Two be integral type structure.
In above-mentioned sewing machine electric air-suction device, described interface is connected with vacuum generator, described pipe one
It is connected with the vacuum generator.
In above-mentioned sewing machine electric air-suction device, described exhaust ports are provided with muffler.Muffler is used to eliminate
The airflow noise of high-speed gas and the noise of induced-draught electric motor.
In above-mentioned sewing machine electric air-suction device, described upper lid, which is provided with, to be used to open induced-draught electric motor and regulation suction
The switch of power.Switch is made up of mechanical switch, automatic switch and adjusting switch, when sewing machine is opened in the presence of automatic switch
When induced-draught electric motor can united opening.When starting sewing machine without starting induced-draught electric motor, it is necessary to first pull mechanical switch.Regulation is opened
The power output of adjustable induced-draught electric motor is closed so as to change the suction of inlet scoop.
In above-mentioned sewing machine electric air-suction device, described capping is provided with the thermovent connected with cavity.Radiating
Mouth is located at the outside of upper lid.
While air mixing the end of a thread enters cavity from suction nozzle through suction pipe and interface, extraneous air enters through thermovent
Enter into cavity, then pass through screen pack, inlet scoop, induced-draught electric motor and exhaust outlet discharge.Due to there is provided thermovent, increasing
Air mass flow at inlet scoop, can effectively solve the heating problem of induced-draught electric motor.Certainly, it is less demanding or power requirement is low in suction
In the case of, thermovent can not have to open up.
The control method of this sewing machine electric air-suction device, comprises the following steps：1., will be used to drive induced-draught electric motor to operate
Control board electricly connecting by control line and sewing machine, open induced-draught electric motor, induced-draught electric motor enters low-power operating
Or holding state；
2., stitching sewing machine, close to sewing end, sewing Electrical Control perform thread cutting mechanism action, signal is passed into control
Circuit board processed, circuit board control induced-draught electric motor according to signal, induced-draught electric motor is entered by holding state or low-power operating condition
The state that runs at high speed of normal suction；
3., after sewing Electrical Control performs trimming action, sewing Electrical Control controls the action of anti-Bird's Nest string-hooking mechanism, by Thread odds suction
It is released, the end of a thread is siphoned away in the presence of sewing machine electric air-suction device by suction nozzle, and the anti-Bird's Nest string-hooking mechanism of sewing machine resets,
Trigger and clamp new the end of a thread；
4., under normal suction, one end of new the end of a thread enters suction nozzle, and induced-draught electric motor is again introduced into holding state or low work(
Rate operating condition, until next trimming acts.
Compared with prior art, the present invention has advantages below：
Thermovent is provided with capping, increases air mass flow at inlet scoop, can effectively reduce induced-draught electric motor and control
The temperature rise of circuit board processed, the operating efficiency of induced-draught electric motor is improved, increase service life；Using in parallel with sewing-machine control systems
Control mode, realize sewing machine control induced-draught electric motor work, start induced-draught electric motor when needing air-breathing, greatly reduce energy
Consumption and noise, ensure stable suction, be effectively improved sewing working environment.
Brief description of the drawings
Fig. 1 is the structural representation of preferred embodiment provided by the invention.
Fig. 2 is capping and the cooperation schematic diagram of upper lid in Fig. 1 provided by the invention.
Fig. 3 is the structural representation of suction pipe provided by the invention.
In figure, 1, cylinder；2nd, cover；3rd, upper lid；4th, filter screen；5th, exhaust outlet；6th, interface；7th, suction pipe；71st, Guan Yi；72nd, manage
Two；8th, thermovent；9th, control line；10th, vacuum generator；11st, switch.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
Sewing machine electric air-suction device as depicted in figs. 1 and 2, sewing machine include thread cutting mechanism and string-hooking mechanism, the electricity
Dynamic air intake device includes the internal cylinder 1 with cavity and is placed in the capping 2 for closed cavity at the top of cylinder 1, in capping 2
Provided with the inlet scoop and interface 6 connected respectively with cavity, as shown in Fig. 2 being provided with induced-draught electric motor and filter screen 4, interface 6 at inlet scoop
Place is connected with the suction pipe 7 for drawing the end of a thread.
Electric air-suction device also includes control module, and when thread cutting mechanism acts, control module controls induced-draught electric motor by first
Beginning state enters working condition, and control module control induced-draught electric motor is returned to by working condition after string-hooking mechanism release
Original state.Wherein, original state is that induced-draught electric motor is in holding state or low-power operating condition；Working condition is air draught electricity
Machine is in the state that runs at high speed with normal suction.
In the present embodiment, control module includes sewing Electrical Control and the control electricity electricly connected by control line and sewing machine
Road plate, control board are connected with induced-draught electric motor and drive induced-draught electric motor to work.
As shown in figure 1, side of the capping 2 away from cylinder 1 fastens and be provided with upper lid 3, there is inner chamber one, upper lid 3 in upper lid 3
Exhaust outlet 5 is provided with, induced-draught electric motor is arranged in the inner chamber one of lid 3, and interface 6 is located at the outside of upper lid 3.Upper lid 3 and capping 2
Coordinate, upper lid 3 shields to induced-draught electric motor, effectively increased the service life.
Control board is directly installed on the upper surface of above-mentioned capping 2 and positioned at the outside of upper lid 3.If control certainly
It may be mounted at during the small volume of circuit board in the inner chamber one of lid 3.
Suction pipe 7 is connected with the suction nozzle of sewing machine hooking device, and induced-draught electric motor rotates at a high speed, will be made up of capping 2 and cylinder 1
Cavity aspirate into negative-pressure vacuum shape, air mixing the end of a thread enters cavity from suction nozzle through suction pipe 7 and interface 6, in the work of filter screen 4
The end of a thread is obstructed in the cavity of cylinder 1 with lower, air then passes through filter screen 4, is entered in induced-draught electric motor by inlet scoop, entered immediately
Enter into the inner chamber one of upper lid 3, finally discharged by exhaust outlet 5.
As shown in figure 3, suction pipe 7 includes the pipe 1 being connected with interface 6 and the pipe 2 72 connected with pipe 1, pipe 1
Length is more than or equal to the length of pipe 2 72.In the present embodiment, as shown in figure 3, the internal diameter of pipe 1 is more than the internal diameter of pipe 2 72, this
Sample, which is set, can increase air velocity.
As shown in figure 1, being connected with vacuum generator 10 at interface 6, pipe 1 is connected with the vacuum generator 10.
Muffler is provided with exhaust outlet 5, for eliminating the airflow noise of high-speed gas and the noise of induced-draught electric motor.
It is used to open induced-draught electric motor and adjusts the switch 11 of suction as shown in figure 1, is provided with upper lid 3.Switch 11 is by machine
Tool switch, automatic switch and adjusting switch are formed, when sewing machine is opened, induced-draught electric motor can link in the presence of automatic switch
Open.When starting sewing machine without starting induced-draught electric motor, it is necessary to first pull mechanical switch.Adjusting switch can adjust induced-draught electric motor
Power output so as to changing the suction of inlet scoop.
The control method of this sewing machine electric air-suction device, comprises the following steps：
1., will for drive induced-draught electric motor operate control board be electricly connected by control line 9 with sewing machine, unlatching
Induced-draught electric motor, induced-draught electric motor enter low-power operating or holding state；
2., stitching sewing machine, close to sewing end, sewing Electrical Control perform thread cutting mechanism action, signal is passed into control
Circuit board processed, circuit board control induced-draught electric motor according to signal, induced-draught electric motor is entered by holding state or low-power operating condition
The state that runs at high speed of normal suction；
3., after sewing Electrical Control performs trimming action, sewing Electrical Control controls the action of anti-Bird's Nest string-hooking mechanism, by Thread odds suction
It is released, the end of a thread is siphoned away in the presence of sewing machine electric air-suction device by suction nozzle, and the anti-Bird's Nest string-hooking mechanism of sewing machine resets,
Trigger and clamp new the end of a thread；
4., under normal suction, one end of new the end of a thread enters suction nozzle, and induced-draught electric motor is again introduced into holding state or low work(
Rate operating condition, until next trimming acts.
Embodiment two
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, pipe 1
Internal diameter is equal with the internal diameter of pipe 2 72 and pipe 1 and pipe 2 72 are integral type structure.
Embodiment three
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, to suction
It is required that when high or power is high, as shown in figure 1, being provided with the thermovent 8 connected with cavity in capping 2, thermovent 8 is located at upper lid
3 outside.
While air mixing the end of a thread enters cavity from suction nozzle through suction pipe 7 and interface 6, extraneous air is through thermovent
8 enter in cavity, then pass through screen pack 4, inlet scoop, induced-draught electric motor and exhaust outlet 5 and discharge.Due to there is provided thermovent 8,
Air mass flow at inlet scoop is increased, can effectively solve the heating problem of induced-draught electric motor.
Example IV
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, this implementation
In example, control module is sewing Electrical Control, and induced-draught electric motor is directly connected to sewing Electrical Control.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (11)
1. a kind of sewing machine electric air-suction device, described sewing machine includes thread cutting mechanism and string-hooking mechanism, electric air-suction dress
Put including the internal capping (2) for closed cavity that there is the cylinder (1) of cavity and be placed at the top of cylinder (1), described envelope
Lid (2) is provided with the inlet scoop connected respectively with cavity and interface (6), and induced-draught electric motor and filter screen are provided with described inlet scoop
(4), described interface (6) place is connected with the suction pipe (7) for drawing the end of a thread, it is characterised in that the electric air-suction device is also
Include control module, for when above-mentioned thread cutting mechanism acts, the control module to control above-mentioned induced-draught electric motor by initial shape
State enters working condition, and after above-mentioned string-hooking mechanism release, the control module controls above-mentioned induced-draught electric motor by working
State returns to original state；
Wherein, the original state is that above-mentioned induced-draught electric motor is in holding state or low-power operating condition；The working condition
The state that runs at high speed with normal suction is in for above-mentioned induced-draught electric motor.
2. sewing machine electric air-suction device according to claim 1, it is characterised in that described control module is sewing machine
Automatically controlled, above-mentioned induced-draught electric motor is directly connected to sewing Electrical Control, or including above-mentioned sewing Electrical Control and passes through control line (9)
The control board electricly connected with above-mentioned sewing machine, the control board are connected with above-mentioned induced-draught electric motor and drive air draught electric
Machine works.
3. sewing machine electric air-suction device according to claim 2, it is characterised in that described capping (2) is away from cylinder
(1) side, which fastens, is provided with lid (3), and the upper lid (3) has inner chamber one, and described upper lid (3) is provided with exhaust outlet
(5), described induced-draught electric motor is arranged in the inner chamber one of lid (3).
4. sewing machine electric air-suction device according to claim 3, it is characterised in that described control board is arranged on
In the inner chamber one of above-mentioned upper lid (3), or it is directly installed on the upper surface of above-mentioned capping (2) and is located at above-mentioned upper lid (3)
Outside.
5. sewing machine electric air-suction device according to claim 4, it is characterised in that described suction pipe (7) is included with connecing
Pipe one (71) of mouth (6) connection and the pipe two (72) connected with pipe one (71), the length of the pipe one (71) are more than or equal to pipe two
(72) length.
6. sewing machine electric air-suction device according to claim 5, it is characterised in that the internal diameter of the pipe one (71) is more than
The internal diameter of pipe two (72).
7. sewing machine electric air-suction device according to claim 5, it is characterised in that the internal diameter and pipe of the pipe one (71)
The internal diameter of two (72) is equal and pipe one (71) and pipe two (72) are integral type structure.
8. the sewing machine electric air-suction device according to claim 6 or 7, it is characterised in that described interface (6) place connection
There is vacuum generator (10), described pipe one (71) is connected with the vacuum generator (10).
9. sewing machine electric air-suction device according to claim 3, it is characterised in that described exhaust outlet (5) place is provided with
Muffler.
10. sewing machine electric air-suction device according to claim 3, it is characterised in that described upper lid (3), which is provided with, to be used
In the switch (11) for opening induced-draught electric motor and regulation suction.
11. sewing machine electric air-suction device according to claim 3, it is characterised in that described capping (2) be provided with
The thermovent (8) of cavity connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794662.4A CN107513818A (en) | 2017-09-06 | 2017-09-06 | Sewing machine electric air-suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794662.4A CN107513818A (en) | 2017-09-06 | 2017-09-06 | Sewing machine electric air-suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107513818A true CN107513818A (en) | 2017-12-26 |
Family
ID=60724678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794662.4A Pending CN107513818A (en) | 2017-09-06 | 2017-09-06 | Sewing machine electric air-suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107513818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778450A (en) * | 2019-03-18 | 2019-05-21 | 杰克缝纫机股份有限公司 | A kind of sewing machine electric air-suction wound packages is set |
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| TW201710578A (en) * | 2015-09-07 | 2017-03-16 | 鈞翔工業股份有限公司 | An improvement of remnant collecting system of sewing machine |
| CN106757867A (en) * | 2016-12-20 | 2017-05-31 | 浙江众邦机电科技有限公司 | A kind of dirt doses detection means for sewing machine dust collect plant |
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|---|---|---|---|---|
| CN105002675A (en) * | 2015-07-24 | 2015-10-28 | 玉环奕友电子有限公司 | Dust barrel for a sewing machine |
| TW201710578A (en) * | 2015-09-07 | 2017-03-16 | 鈞翔工業股份有限公司 | An improvement of remnant collecting system of sewing machine |
| CN105113155A (en) * | 2015-09-30 | 2015-12-02 | 杰克缝纫机股份有限公司 | Control method for air sucking device of sewing machine |
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| CN109778450A (en) * | 2019-03-18 | 2019-05-21 | 杰克缝纫机股份有限公司 | A kind of sewing machine electric air-suction wound packages is set |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |
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| RJ01 | Rejection of invention patent application after publication |