CN204825280U - Sewing machine's gauge needle directly drives control mechanism - Google Patents
Sewing machine's gauge needle directly drives control mechanism Download PDFInfo
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- CN204825280U CN204825280U CN201520077184.1U CN201520077184U CN204825280U CN 204825280 U CN204825280 U CN 204825280U CN 201520077184 U CN201520077184 U CN 201520077184U CN 204825280 U CN204825280 U CN 204825280U
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- feeding
- crank
- swing
- connecting rod
- locator
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Abstract
The utility model relates to a sewing machine's gauge needle directly drives control mechanism belongs to sewing machine technical field. A sewing machine's gauge needle directly drives control mechanism, including control system, lift tooth axis, pay -off axle and swing panel seat, the epaxial pay -off crank that has linked firmly of pay -off, step motor has still set firmly on the casing, step motor's dabber and pay -off regulation crank link firmly, this spindle is equipped with the locator, position sensor sets firmly has the relative position relation on the casing and with the locator, the pay -off is adjusted to be connected with between crank and the swing seat board and is made both wobbling regulation connecting rods together, step motor, locator and position sensor all link to each other with control system. The utility model discloses by step motor direct drive pay -off regulation crank, it is simpler than prior art's structure, can not produce the obvious sound during in the same direction as the backstitch conversion, the noise is little to can directly set for initial position and rotate in order to change gauge needle by the control system control stepper motor by control system, it is more convenient than prior art adjusts.
Description
Technical field
The utility model belongs to sewing machine technique field, and particularly a kind of needle gage of Sewing machines directly drives controlling organization.
Background technology
The needle gage governor motion of existing Sewing machines by feeding apart from knob, feed regulator, feeding apart from adjusting bolt, backstitch the machine components such as connecting rod and backstitch electromagnet etc. and form.Change the position of feeding regulating shaft by adjustment knob thus change the size of making needle gage; By backstitch spanner or backstitch position that electromagnet changes feeding regulating shaft come control machine along backstitching.
Chinese patent literature discloses a kind of novel sewing machine needle gage mapping device [application number: 01320577992.5], comprise feed lifting rock shaft, feed spool, swing panel seat, feeding eccentric wheel, feeding connecting rod and feeding crank, swinging panel seat is hinged on the casing of Sewing machines, the oscillating deck assembly making feeding connecting rod can drive feeding crank-swinging is provided with in swing panel seat, feeding connecting rod is connected with feeding crank by oscillating deck assembly, casing is also installed with motor and is rotatably connected to feeding exchanging shaft, feeding exchanging shaft is in transmission connection by the output shaft of drive mechanism and motor, feeding exchanging shaft is fixed with needle gage conversion crank, needle gage conversion crank with swing to be connected with between panel seat make both can together with the regulating connecting rod that swings.This mechanism changes the position of described feeding exchanging shaft to reach the suitable object backstitched changing needle gage by stepper motor by toothed belt transmission.There is the inaccurate adjustment inconvenience of initial position fix in this mechanism, during step, motor is directed at the shortcomings such as mechanism's complexity by toothed belt transmission.
Chinese patent literature discloses the Sewing machines [application number: 201420493668.X] that another kind utilizes driving stepper motor needle gage governor motion, comprise head and feed mechanism, the bottom of described head is provided with stepper motor and falls along seam driving shaft, the suitable seam driving shaft that falls is connected with feed mechanism, have driving shaft in stepper motor, described stepper motor and suitable seam between driving shaft of falling are provided with change gear mechanism; Described change gear mechanism comprises driving gear and the driven gear of external toothing, and described driving gear is positioned at the end of driving shaft, and driven gear is positioned at down along seam driveshaft end.This mechanism is taken turns described in transmission change to fall along stitching the position of driving shaft to reach the suitable object backstitched of change needle gage by step by stepper motor, and described stepper motor is with absolute position encoder.There is initial position and regulate inconvenient in this mechanism, during step, motor causes there are the shortcomings such as noise when mechanism is complicated, dynamic to be turned by the dynamic transmission of step.
Utility model content
The purpose of this utility model is for the problems referred to above, and the needle gage providing a kind of Sewing machines directly drives controlling organization, and structure is simple, and needle gage is easy to adjust.
The purpose of this utility model is achieved in that
A kind of needle gage of Sewing machines directly drives controlling organization, comprise control system, feed lifting rock shaft, feed spool and swing panel seat, described feed spool is fixed with feeding crank, described feed lifting rock shaft is fixed with feeding eccentric wheel and is socketed with feeding connecting rod on feeding eccentric wheel, described swing panel seat is hinged on the casing of Sewing machines by steady pin, the oscillating deck assembly making feeding connecting rod can drive feeding crank-swinging is provided with in swing panel seat, and feeding connecting rod is produced by oscillating deck assembly and feeding crank and links, it is characterized in that
Described casing is also installed with stepper motor, the mandrel of stepper motor and feeding regulate crank to be connected, this mandrel is provided with locator, described position sensor to be installed on casing and to have relative position relation with described locator, described feeding regulate crank with swing to be connected with between panel seat make both can together with the regulating connecting rod that swings, described stepper motor, locator are all connected with control system with position sensor.
Wherein, described oscillating deck assembly comprises symmetrically arranged two long oscillating decks and two short oscillating decks, and the symmetry of two ends up and down of two long oscillating decks and two short oscillating decks has connecting hole; Described feeding connecting rod is held between two long oscillating decks, two long oscillating decks are held between two short oscillating decks, are hinged in swing panel seat by connecting pin through the lower connecting hole of short oscillating deck, the lower connecting hole of long oscillating deck and feeding connecting rod by three; The upper connecting hole of described two short oscillating decks is hinged with swing panel seat respectively by connecting axle; The upper connecting hole of described two long oscillating decks is inserted with latch, two long oscillating decks are connected with feeding crank.
Wherein, one end of described feeding connecting rod is hinged on feeding and regulates on crank, the other end by connecting axle with swing seat board and a short oscillating deck hinged.
Wherein, described locator is ring-type, is sheathedly fixed on the mandrel of stepper motor.
The beneficial effects of the utility model are:
1) feeding of stepper motor Direct driver regulates crank, simpler than the structure of prior art, and can not produce the obvious sound along when backstitching conversion, less than the noise of prior art.
2) can directly set initial position by control system and by control system control step electric machine rotation to change needle gage, than prior art regulate more convenient.
Accompanying drawing explanation
Fig. 1 is explosive view of the present utility model.
Fig. 2 is three-dimensional structure diagram of the present utility model.
Fig. 3 is installation diagram of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, set forth the utility model further.
As shown in Figure 1, a kind of needle gage of Sewing machines directly drives controlling organization, comprise control system, feed lifting rock shaft 1, feed spool 2 and swing panel seat 3, feed spool 2 is fixed with feeding crank 4, feed lifting rock shaft 1 is fixed with feeding eccentric wheel 5 and is socketed with feeding connecting rod 6 on feeding eccentric wheel 5, swinging panel seat 3 is hinged on the casing 18 of Sewing machines by steady pin 7, the oscillating deck assembly making feeding connecting rod 6 that feeding crank 4 can be driven to swing is provided with in swing panel seat 3, and feeding connecting rod 6 is produced by oscillating deck assembly and feeding crank 4 and links, casing 18 is also installed with stepper motor 8, the mandrel of stepper motor 8 and feeding regulate crank 9 to be connected, this mandrel is provided with locator 10, position sensor 11 to be installed on casing 18 and to have relative position relation with described locator 10, feeding regulate crank 9 with swing to be connected with between panel seat 3 make both can together with the regulating connecting rod 12 that swings, stepper motor 8, locator 10 is all connected with control system with position sensor 11.
The symmetry of two ends up and down that oscillating deck assembly specifically comprises symmetrically arranged two long oscillating decks 13 and two short oscillating decks, 14, two long oscillating decks 13 and two short oscillating decks 14 has connecting hole.Feeding connecting rod 6 is held between two long oscillating decks 13, two long oscillating decks 13 are held between two short oscillating decks 14, three are hinged in swing panel seat 3 through the lower connecting hole of short oscillating deck 14, the lower connecting hole of long oscillating deck 13 and feeding connecting rod 6 by connecting pin 15.The upper connecting hole of two short oscillating decks 14 is hinged with swing panel seat 3 respectively by connecting axle 16.The upper connecting hole of two long oscillating decks 13 is inserted with latch 17, two long oscillating decks 13 are connected with feeding crank 4.
One end of feeding connecting rod 6 is hinged on feeding and regulates on crank 9, and it is hinged that the other end passes through connecting axle 16 and swing seat board and a short oscillating deck 14.
Locator 10 is ring-type, on the sheathed mandrel being fixed on stepper motor 8.
When the utility model uses, feed lifting rock shaft 1 rotates, and drives retainer assembly to move up and down, and drives feeding eccentric wheel 5 to rotate simultaneously, makes the swing of retainer assembly by short oscillating deck 14 and long oscillating deck 13 to drive feeding crank 4, thus form feeding action.The size and Orientation of retainer assembly amplitude of fluctuation can be changed by changing the position swinging panel seat 3 thus change size and the feed direction of making needle gage.
Wherein, feeding regulates crank 9 to be directly connected with the mandrel of stepper motor 8, crank 9 is regulated to rotate by the feeding of stepper motor 8 Direct driver, then the position swinging panel seat 3 is directly changed by regulating connecting rod, simpler than the structure of prior art, and the obvious sound can not be produced along when backstitching conversion, less than the noise of prior art.
By the relative position of the control system desired location sensor of Sewing machines 11 and locator 10 to determine the initial position of stepper motor 8, the angle that control step motor 8 relative initial position forward or reverse is certain, with change needle gage size or along backstitching, regulate more convenient than prior art.
Due to control system energy accurately control step motor 8 rotational angle, thus needle gage can be made by fine adjustment.During stopping, the magnetic force of stepper motor 8 itself can keep rotor to fix, to keep the invariant position swinging panel seat 3.During running, stepper motor 8 is energized, and controls the motionless swing panel seat 3 that makes of rotor fixing to make even needle gage by control system.During running, also feed back the current location of stepper motor 8 by position sensor 11, change needle gage in real time by control system control step motor 8 forward or reverse certain angle, this function can make the various SPECIAL STITCHs such as close pin, changeable needle gage.
Claims (4)
1. the needle gage of a Sewing machines directly drives controlling organization, comprise control system, feed lifting rock shaft (1), feed spool (2) and swing panel seat (3), described feed spool (2) is fixed with feeding crank (4), described feed lifting rock shaft (1) is fixed with feeding eccentric wheel (5) and is socketed with feeding connecting rod (6) on feeding eccentric wheel (5), described swing panel seat (3) is hinged on the casing (18) of Sewing machines by steady pin (7), swinging in panel seat (3) the oscillating deck assembly being provided with and making feeding connecting rod (6) that feeding crank (4) can be driven to swing, and feeding connecting rod (6) is produced by oscillating deck assembly and feeding crank (4) and links, it is characterized in that,
Described casing (18) is also installed with stepper motor (8), the mandrel of stepper motor (8) and feeding regulate crank (9) to be connected, this mandrel is provided with locator (10), position sensor (11) is installed in casing (18) and goes up and have relative position relation with described locator (10), described feeding regulate crank (9) with swing to be connected with between panel seat (3) make both can together with the regulating connecting rod (12) that swings, described stepper motor (8), locator (10) is all connected with control system with position sensor (11).
2. the needle gage of a kind of Sewing machines according to claim 1 directly drives controlling organization, it is characterized in that,
Described oscillating deck assembly comprises symmetrically arranged two long oscillating decks (13) and two short oscillating decks (14), and the symmetry of two ends up and down of two long oscillating decks (13) and two short oscillating decks (14) has connecting hole;
Described feeding connecting rod (6) is held between two long oscillating decks (13), two long oscillating decks (13) are held between two short oscillating decks (14), three to be hinged on to swing in panel seat (3) by connecting pin (15) through the lower connecting hole of the lower connecting hole of short oscillating deck (14), long oscillating deck (13) and feeding connecting rod (6);
The upper connecting hole of described two short oscillating decks (14) is hinged with swing panel seat (3) respectively by connecting axle (16);
The upper connecting hole of described two long oscillating decks (13) is inserted with latch (17), two long oscillating decks (13) are connected with feeding crank (4).
3. the needle gage of a kind of Sewing machines according to claim 2 directly drives controlling organization, it is characterized in that, one end of described feeding connecting rod (6) is hinged on feeding and regulates on crank (9), and it is hinged that the other end passes through connecting axle (16) and swing seat board and a short oscillating deck (14).
4. the needle gage of a kind of Sewing machines according to claim 1 directly drives controlling organization, it is characterized in that, described locator (10) is ring-type, on the sheathed mandrel being fixed on stepper motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077184.1U CN204825280U (en) | 2015-02-03 | 2015-02-03 | Sewing machine's gauge needle directly drives control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077184.1U CN204825280U (en) | 2015-02-03 | 2015-02-03 | Sewing machine's gauge needle directly drives control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825280U true CN204825280U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520077184.1U Expired - Fee Related CN204825280U (en) | 2015-02-03 | 2015-02-03 | Sewing machine's gauge needle directly drives control mechanism |
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| CN (1) | CN204825280U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286133A (en) * | 2018-03-23 | 2018-07-17 | 浙江美机缝纫机有限公司 | The close joint device of sewing machine |
| CN109056197A (en) * | 2018-10-12 | 2018-12-21 | 台州市泓列缝纫机有限公司 | The needle gage adjustable precision of electric sewer falls along seam driving mechanism |
| CN109338603A (en) * | 2018-10-24 | 2019-02-15 | 杰克缝纫机股份有限公司 | Sewing machine backstitches mechanism and sewing machine |
| CN109778437A (en) * | 2019-03-08 | 2019-05-21 | 杰克缝纫机股份有限公司 | The needle gage of a kind of sewing machine and the sewing machine adjusts and backstitches control method |
| CN109898245A (en) * | 2019-04-02 | 2019-06-18 | 浙江美机缝纫机有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN109930304A (en) * | 2019-04-02 | 2019-06-25 | 浙江美机缝纫机有限公司 | A kind of needle gage regulating mechanism of sewing machine |
| CN110453384A (en) * | 2019-09-09 | 2019-11-15 | 琦星智能科技股份有限公司 | A kind of sewing machine with needle gage regulating mechanism |
| CN109930304B (en) * | 2019-04-02 | 2024-04-19 | 美机科技集团有限公司 | Needle distance adjusting mechanism of sewing machine |
-
2015
- 2015-02-03 CN CN201520077184.1U patent/CN204825280U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286133A (en) * | 2018-03-23 | 2018-07-17 | 浙江美机缝纫机有限公司 | The close joint device of sewing machine |
| CN109056197A (en) * | 2018-10-12 | 2018-12-21 | 台州市泓列缝纫机有限公司 | The needle gage adjustable precision of electric sewer falls along seam driving mechanism |
| CN109056197B (en) * | 2018-10-12 | 2024-04-09 | 台州市泓列缝纫机有限公司 | Needle pitch adjustable precision reverse and forward seam driving mechanism of electric sewing machine |
| CN109338603A (en) * | 2018-10-24 | 2019-02-15 | 杰克缝纫机股份有限公司 | Sewing machine backstitches mechanism and sewing machine |
| CN109338603B (en) * | 2018-10-24 | 2020-11-27 | 杰克缝纫机股份有限公司 | Sewing machine and backstitch mechanism thereof |
| CN109778437A (en) * | 2019-03-08 | 2019-05-21 | 杰克缝纫机股份有限公司 | The needle gage of a kind of sewing machine and the sewing machine adjusts and backstitches control method |
| CN109898245A (en) * | 2019-04-02 | 2019-06-18 | 浙江美机缝纫机有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN109930304A (en) * | 2019-04-02 | 2019-06-25 | 浙江美机缝纫机有限公司 | A kind of needle gage regulating mechanism of sewing machine |
| CN109930304B (en) * | 2019-04-02 | 2024-04-19 | 美机科技集团有限公司 | Needle distance adjusting mechanism of sewing machine |
| CN110453384A (en) * | 2019-09-09 | 2019-11-15 | 琦星智能科技股份有限公司 | A kind of sewing machine with needle gage regulating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |