CN202559083U - Computer embroidery machine - Google Patents
Computer embroidery machine Download PDFInfo
- Publication number
- CN202559083U CN202559083U CN2012202081245U CN201220208124U CN202559083U CN 202559083 U CN202559083 U CN 202559083U CN 2012202081245 U CN2012202081245 U CN 2012202081245U CN 201220208124 U CN201220208124 U CN 201220208124U CN 202559083 U CN202559083 U CN 202559083U
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- potentiometer
- needle
- position signal
- gear
- drive seat
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Abstract
Aiming to the defects that the marginal definition degree of an embroidery sample is low, the color levels are not clear and the quality of an embroidery product is low because needle position signals acquired by a needle position signal acquisition device of a computer embroidery machine generate return difference in the prior art, the utility model provides the computer embroidery machine. The computer embroidery machine comprises a box body, the needle position signal acquisition device and a needle rod frame drive device, wherein the needle rod frame drive device comprises a drive base which linearly moves in a reciprocating mode; the needle position signal acquisition device consists of a potentiometer and a transmission pair of a gear and a rack; the gear is fixedly arranged on a shaft of the potentiometer and is in transmission connection with the rack; because of the engaged transmission connection, a reciprocation linear displacement motion mode of the drive base is converted into a rotation motion mode of the shaft of the potentiometer, and a return difference value of the needle position is controlled to be below 1 degree, so that the precision of a needle-falling point at each needle position can be ensured, and the embroidery product with high marginal definition degree and clear color levels can be obtained.
Description
Technical field
The utility model relates to computerized emboridering machine.
Background technology
The raising of Along with people's quality of life; Quality scale to articles for daily use such as clothing dress ornament, household offices has also proposed harsh requirement; Embroidery product particularly, exquisite embroidery pattern, clearly the style edge, style gloss more and more receives people's favor uniformly.
On computerized emboridering machine, carry out colour changing by colour changing device control embroidery machine, making the embroidery pattern color no longer is single color.
Computerized emboridering machine colour changing device mainly is made up of two parts, and a part is the needle bar frame drive unit, and another part is a pin position signal pickup assembly.Needle bar frame is provided with a lot of pins, and the embroidery line on every pin has various colors, thereby embroiders out colorful style through conversion pin position, and the style that embroidery is come out no longer is single color.So pin is just changed in colour changing in fact, because the color that the embroidery line on every pin is had nothing in common with each other, so generally be called " colour changing " in the row.The effect of needle bar frame drive unit is to make about the embroidery machine needle bar frame to move back and forth, thereby conversion pin position makes the embroidery machine embroidery provide the embroidery of change color.The effect of pin position signal pickup assembly is to gather pin position signal, and the pin position signal that collects is exported to primary control program, after primary control program is judged the pin position, assigns the pricker order to head, the shank that head is just the stirred needle bar frame pin that falls, and the needle plate hole accurately is preset on the pin position.By style programme-control needle bar frame drive unit, thus the displacement of control needle bar frame, so if signal receives the influence of mechanical return difference, just shank can shift to an earlier date or postpone pin, when return difference was big, pin was just pricked less than in the hole, and can prick on the needle plate.Primary control program judges that through " style program " colour changing is moved and other embroideries are made track according to pin position signal, simultaneously on the present control panel of pin position marked body, makes things convenient for semi-automatic hand by colour changing.
Existing its pin position signal pickup assembly of computerized emboridering machine is made up of the gear and the optocoupler baffle plate of pair of meshing; Wherein a gear wheel is fixedly connected with the cylindrical cam axle; Another pinion is fixedly connected and is fixedly installed on the casing with the optocoupler baffle plate is coaxial, and cylindrical cam drives gear wheel and rotates together when rotated; Rotation that the large gear turn the small gear; Pinion drives the optocoupler baffle plate rotation that is installed together, and the optocoupler baffle plate is provided with two gap, stops during through rotation that the light beam of optocoupler comes to electric-control system transmission electric potential signal.Adopt the pin position signal pickup assembly of this kind structure, the light idol is arranged on the casing, is driven indirectly by cylindrical cam; Obtain pin position signal, be prone to produce backlash phenomena, the return difference value that is produced is between 10 °～30 °; Sometimes up to 50 °, pin position signal return difference value is big, makes that to change pin hour hands position inaccurate; Make the marginal definition of embroidery style low, color level fuzzy, the quality of embroidery is low; Also have a shortcoming to be exactly,, need only cylindrical cam and rotate because rotatablely moving of optocoupler baffle plate driven by cylindrical cam; The optocoupler baffle plate just sends pin position signal, and when the needle bar frame drive seat breaks down when no longer doing reciprocal operation, and cylindrical cam is when being rotated further; The optocoupler baffle plate can send false pin position signal, makes embroidery machine produce misoperation, can damage shank, pin and the needle plate of needle bar frame like this; When serious, can damage head section, and even the complete machine paralysis is scrapped.
The utility model content
The purpose of the utility model is; The pin position signal of being gathered to the pin position signal pickup assembly of computerized emboridering machine in the prior art produces return difference; Make the marginal definition of embroidery style low, color level fuzzy, the quality of embroidery is low, and pin position signal pickup assembly sends false pin position signal; Cause taking place the shortcomings and deficiencies of equipment breakdown, a kind of computerized emboridering machine that accurate pin position signal and safe and reliable pin position signal can be provided is provided.
The purpose of the utility model realizes through following technical proposals:
A kind of computerized emboridering machine; Comprise casing, pin position signal pickup assembly and needle bar frame drive unit; Said needle bar frame drive unit comprises the drive seat of reciprocal straight-line displacement, and said pin position signal pickup assembly is made up of potentiometer and rack-and-pinion transmission, and said gear is fixedly installed on the potentiometer shaft; Said gear and said tooth bar are connected by meshing transmission, and the said reciprocal straight-line displacement conversion of motion that makes said drive seat of being connected by meshing transmission becomes the gyration of said potentiometer shaft;
The described reciprocal straight-line displacement conversion of motion of said drive seat that makes becomes the potentiometer shaft gyration, by said potentiometer be fixedly installed on the said drive seat, said tooth bar is fixedly connected realization with said casing;
The described reciprocal straight-line displacement conversion of motion that makes said drive seat becomes the gyration of potentiometer shaft; Be to be fixedly installed on the said casing through said potentiometer, what said tooth bar one end was fixedly connected with said drive seat, the said tooth bar other end is fixedly connected realization with the needle bar frame pull bar;
The modulus of described gear and tooth bar is 0.5;
Described gear is an involute cylindrical gear.
Adopt the computerized emboridering machine of the utility model structure; Its signal pickup assembly is made up of rack-and-pinion and potentiometer, and gear is fixedly installed on the potentiometer shaft, and the engaged transmission of rack-and-pinion can change into the linear reciprocation displacement movement of drive seat the gyration of potentiometer shaft; When drive seat is done the linear reciprocation displacement; The rectilinear motion of needle bar frame is converted into the gyration of potentiometer shaft during colour changing by rack-and-pinion, can pin position return difference value be controlled at below 1 °, and the biased difference of corresponding air line distance pin is below 0.0138mm; Guarantee the accuracy of every pin position needle falling point; Can obtain marginal definition height, the well-bedded embroidery of color, directly effectively promote the embroidery quality, the operating efficiency of one-piece computer embroidery machine and quality scale have promoted a new step.And because being linear reciprocating motion by drive seat, the gyration of potentiometer transforms, so when the failover drive seat was not moved, potentiometer no longer sent pin position signal, has prevented sending of glitch, and the hidden danger of having avoided mechanical accident to take place.
Description of drawings
Fig. 1 is the utility model computerized emboridering machine example structure sketch map;
Fig. 2 is another example structure sketch map of the utility model computerized emboridering machine.
Description of reference numerals
1-casing 13-potentiometer fixed mount 14-gear 15-potentiometer 16-drive seat 17-tooth bar fixed mount 19-push rod 20-tooth bar 24-potentiometer shaft
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe:
As shown in Figure 1; The computerized emboridering machine of the utility model comprises that casing 1, driving needle bridge make the drive seat 16 and the pin position signal pickup assembly of reciprocal straight-line displacement; Transmission and potentiometer 15 that pin position signal pickup assembly is made up of gear 14 and tooth bar 20 are formed, and gear is fixedly installed on the potentiometer shaft 24.Preferred during use, potentiometer 15 is fixedly installed on the drive seat 16 through potentiometer fixed mount 13, and tooth bar is fixed on the casing 1 through tooth bar fixed mount 17, and wheel and rack is connected with a joggle, and potentiometer is connected with the electric-control system light current electric wire of computerized emboridering machine.Potentiometer also can be fixedly installed on the push rod of computerized emboridering machine.
For making things convenient for the position of engagement of adjusting gear 14 and tooth bar 20, elongated slot waist hole all is set on tooth bar fixed mount and the potentiometer fixed mount, bolt is fixed on tooth bar on the casing through elongated slot waist hole, and potentiometer is fixed on the drive seat.
When work; The linear reciprocation displacement takes place in drive seat 16 under the driving of needle bar frame drive unit; Thereby drive the potentiometer 15 that is fixed together with it synchronous shift takes place; Because it is motionless that tooth bar 20 is fixed on the casing, the gear 14 that is engaged with just rotates, and gear driven potentiometer shaft 24 rotates; Be converted into the gyration of potentiometer shaft to the rectilinear motion of drive seat by the rack-and-pinion kinematic pair like this, potentiometer (15) is obtained through the anglec of rotation of potentiometer shaft and send pin position signal to electric-control system.After the electric-control system primary control program was judged the pin position, the control head was stirred shank on the needle bar frame pin that falls, and the needle plate hole accurately is preset on the pin position.By style programme-control needle bar frame drive unit, thus the position of control needle bar frame, when the position of pin position signal and needle bar frame universal time coordinated mutually; Just, the mechanical return difference of the pin position signal that is collected is when the scope that allows, and shank accurately falls in the pin hole; When mechanical return difference surpassed allowed band, shank shifted to an earlier date or postpones pin, when return difference is big; Pin is just pricked less than in the hole, and can prick on the needle plate, causes fault.
In concrete the application, the modulus that preferably makes the rack-and-pinion transmission is for smaller or equal to 0.5, like this, can prevent the hysterisis error that produces because of the fit clearance between rack-and-pinion, gathers pin position signal accurately when guaranteeing backhaul.The preferred involute cylindrical spur gear of rack-and-pinion transmission.
As shown in Figure 2, in use, also can potentiometer 15 be fixedly installed on the casing 1 through the potentiometer fixed mount, tooth bar 20 double as push rods are fixedly installed on the drive seat 16 through the tooth bar fixed mount.
No matter be that tooth bar is fixedly connected with drive seat, make tooth bar and drive seat synchronous shift, and potentiometer be fixed; Still potentiometer is fixedly connected with drive seat and makes potentiometer and drive seat do synchronous shift; And tooth bar is fixed; Its purpose all is for the linear reciprocating motion with drive seat changes into rotatablely moving of potentiometer shaft, obtains pin position signal through rotatablely moving of potentiometer.The pin position signal that is collected all is drive seat, the pusher section of rearmost end, but not the screw pair part of anteposition.
On computerized emboridering machine; Final colour changing stress output is to fixedly install push rod 19 together with drive seat 16; The rack-and-pinion transmission rectilinear motion that this and push rod of potentiometer is synchronous transforms into the gyration of potentiometer shaft, so pin position backlash phenomena are effectively solved.
Claims (5)
1. computerized emboridering machine; Comprise casing (1), pin position signal pickup assembly and needle bar frame drive unit; Said needle bar frame drive unit comprises the drive seat (16) of reciprocal straight-line displacement; It is characterized in that said pin position signal pickup assembly is made up of potentiometer (15) and rack-and-pinion transmission, said gear (14) is fixedly installed on the potentiometer shaft (24); Said gear (14) and said tooth bar (20) are connected by meshing transmission, and the said reciprocal straight-line displacement conversion of motion that makes said drive seat (16) of being connected by meshing transmission becomes the gyration of said potentiometer shaft (24).
2. computerized emboridering machine according to claim 1; It is characterized in that; The described reciprocal straight-line displacement conversion of motion that makes said drive seat (16) becomes the gyration of potentiometer shaft (24), by said potentiometer be fixedly installed on the said drive seat, said tooth bar is fixedly connected realization with said casing.
3. computerized emboridering machine according to claim 1; It is characterized in that; The described reciprocal straight-line displacement conversion of motion that makes said drive seat becomes the gyration of potentiometer shaft; Be to be fixedly installed on the said casing through said potentiometer, what said tooth bar one end was fixedly connected with said drive seat, the said tooth bar other end is fixedly connected realization with the needle bar frame pull bar.
4. computerized emboridering machine according to claim 1 is characterized in that the modulus of described gear and tooth bar is 0.5.
5. computerized emboridering machine according to claim 1 is characterized in that, described gear is an involute cylindrical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202081245U CN202559083U (en) | 2012-05-10 | 2012-05-10 | Computer embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202081245U CN202559083U (en) | 2012-05-10 | 2012-05-10 | Computer embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202559083U true CN202559083U (en) | 2012-11-28 |
Family
ID=47208758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202081245U Expired - Fee Related CN202559083U (en) | 2012-05-10 | 2012-05-10 | Computer embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202559083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019162A (en) * | 2015-08-14 | 2015-11-04 | 孙维 | Multi-head laser cutting embroidery machine |
-
2012
- 2012-05-10 CN CN2012202081245U patent/CN202559083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019162A (en) * | 2015-08-14 | 2015-11-04 | 孙维 | Multi-head laser cutting embroidery machine |
| CN105019162B (en) * | 2015-08-14 | 2017-05-10 | 佛山市盈美佳服装材料有限公司 | Multi-head laser cutting embroidery machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160422 Address after: 515141 Guangdong Province, Shantou City Chaonan two Ying Zhen Qi Gou Industrial Zone Patentee after: Guangdong Kangshi Industry Co., Ltd. Address before: Jiyang Jianglong Street Industrial Park Village 311800 Zhejiang city of Shaoxing province Zhuji City Patentee before: Zhuji Maya Electric Appliance Machinery Co., Ltd. |
|
| 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: 20121128 Termination date: 20190510 |