CN204982348U - Device for detecting disconnection - Google Patents
Device for detecting disconnection Download PDFInfo
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- CN204982348U CN204982348U CN201520715138.XU CN201520715138U CN204982348U CN 204982348 U CN204982348 U CN 204982348U CN 201520715138 U CN201520715138 U CN 201520715138U CN 204982348 U CN204982348 U CN 204982348U
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Abstract
The utility model provides a device for detecting disconnection, the device includes: thorn material mechanism, picking thread mechanirm, main shaft, main control board, a plurality ofly cross the line wheel, be used for carrying out real -time supervision's main shaft photoelectric encoder, the sensor and the plate making of supervising absolutely that is used for detecting the turned angle information of line wheel and rotates direction information to the angle positional information of main shaft, direction of rotation information with, rotatory speed information and mechanical zero information, wherein, the main control board is respectively with the main shaft with supervise plate making absolutely and be connected, main shaft photoelectric encoder is connected with main shaft and main control board respectively, crossing the line wheel and being connected with picking thread mechanirm through the upper thread, picking thread mechanirm passes through the upper thread and drove the rotation of line wheel, be connected respectively with excessively by the line wheel and the plate making of supervising absolutely for the sensor. The utility model provides a device for detecting disconnection detects through rotation direction and turned angle to crossing the line wheel, has improved the accuracy that detects upper thread or bottom line state, and it is higher to detect the parasexuality.
Description
Technical field
The utility model relates to burn out detection field, particularly relates to a kind of broken thread detector.
Background technology
To the monitoring state of upper thread and bottom line in embroidery production process, it is the important means ensureing embroidery quality.
Existing checkout gear adopts the grating disc of 25 teeth and the state of the optocoupler of correspondence to upper thread or bottom line to detect usually.During embroidery, wire-crossing wheel drives grating disc to rotate, the pulse signal produced is received by optocoupler, if upper thread breaks or bottom line has not had, so the rotary state of wire-crossing wheel can be different, the pulse signal of the correspondence that optocoupler receives is also different, by analyzing the pulse signal received, the state of upper thread or bottom line can be judged.
But existing checkout gear is when wire-crossing wheel rotational angle is below 7.2 degree, and accurately cannot judge the state of upper thread or bottom line, accuracy of detection is limited, and detection accuracy is lower.
Utility model content
The utility model provides a kind of broken thread detector, limited in order to solve existing checkout gear accuracy of detection, the problem that detection accuracy is lower.
The broken thread detector that the utility model provides comprises:
Thread take-up mechanism, main shaft, master control borad, some wire-crossing wheels, carry out the main shaft photoelectric encoder of Real-Time Monitoring, the sensor for the rotational angle information and rotation direction information that detect described wire-crossing wheel for the angular position information to described main shaft, direction of rotation information, rotating speed data and mechanical zero information, and disconnected prosecution making sheet;
Wherein, described master control borad is connected with described main shaft and described disconnected prosecution making sheet respectively; Described main shaft photoelectric encoder is connected with described main shaft and described master control borad respectively; Described wire-crossing wheel is connected with described thread take-up mechanism by upper thread, and described thread take-up mechanism drives described wire-crossing wheel to rotate by upper thread; Described sensor is connected with described wire-crossing wheel and described disconnected prosecution making sheet respectively.Described sensor is magnetic coder.Preferably, described magnetic coder is the encoder based on AMS5600.Described disconnected prosecution making sheet is connected with described master control borad by CAN.
Further, described broken thread detector, also comprises guide rail;
Described some wire-crossing wheels are fixedly arranged on the both sides of described guide rail;
Described sensor is fixedly arranged on pcb board part, and described pcb board part is slidedly arranged on described guide rail by slide block.
The mode of interference fits is adopted to be connected between described slide block with described guide rail.
Further, described broken thread detector, also comprises the alarm for the sound that gives the alarm when upper thread or bottom line broken string;
Wherein, described alarm is connected with described master control borad.
The broken thread detector that the utility model provides, by main shaft photoelectric encoder is connected with main shaft and master control borad respectively, make main shaft photoelectric encoder carry out Real-Time Monitoring to the angular position information of main shaft, direction of rotation information, rotating speed data and mechanical zero information, and monitoring result is sent to disconnected prosecution making sheet by master control borad, by sensor is connected with wire-crossing wheel and disconnected prosecution making sheet respectively, sensor is detected the rotational angle information of wire-crossing wheel and rotation direction information, and testing result is sent to disconnected prosecution making sheet, and then make disconnected prosecution making sheet according to the monitoring result received and testing result, determine whether the rotational angle of wire-crossing wheel exceeds the default normal operating angle scope corresponding with described default pin long message and described rotating speed data, whether the rotation calibration curve information of wire-crossing wheel is consistent with the rotation calibration curve information of described main shaft, thus the state of upper thread or bottom line is judged, improve the accuracy detecting upper thread or bottom line state, detection accuracy is higher.
Accompanying drawing explanation
The structural representation of the broken thread detector that Fig. 1 provides for the utility model one embodiment;
The structural representation of the broken thread detector that Fig. 2 provides for another embodiment of the utility model.
Reference numeral:
10-thread take-up mechanism; 20-main shaft; 30-master control borad;
40-wire-crossing wheel; 50-main shaft photoelectric encoder; 60-sensor;
70-breaks prosecution making sheet; 80-alarm.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the broken thread detector that Fig. 1 provides for the utility model one embodiment, as shown in Figure 1, the broken thread detector that the present embodiment provides, comprising:
Thread take-up mechanism 10, main shaft 20, master control borad 30, some wire-crossing wheels 40, carry out the main shaft photoelectric encoder 50 of Real-Time Monitoring, the sensor 60 for the rotational angle information and rotation direction information that detect described wire-crossing wheel for the angular position information to described main shaft, direction of rotation information, rotating speed data and mechanical zero information, and disconnected prosecution making sheet 70;
Wherein, described master control borad 30 is connected with described main shaft 20 and described disconnected prosecution making sheet 70 respectively; Described main shaft photoelectric encoder 50 is connected with described main shaft 20 and described master control borad 30 respectively; Described wire-crossing wheel 40 is connected with described thread take-up mechanism 10 by upper thread, and described thread take-up mechanism 10 drives described wire-crossing wheel 40 to rotate by upper thread; Described sensor 60 is connected with described wire-crossing wheel 40 and described disconnected prosecution making sheet 70 respectively.
Concrete, during broken thread detector work, master control borad 30 drives thread take-up mechanism 10 to move by controlling main shaft 20 rotation, wherein, thread take-up mechanism 10 is cam-type, thread take-up mechanism 10 carries out action according to cam curve, namely action is carried out according to the angle position of main shaft 20, the angular position information of main shaft 20, direction of rotation information, rotating speed data and mechanical zero information rely on main shaft photoelectric encoder 50 to carry out Real-Time Monitoring, and feed back to master control borad 30, the result that main shaft photoelectric encoder 50 is monitored by master control borad 30 and the pin long message pre-set are sent to disconnected prosecution making sheet 70, wherein, the angular position information of described main shaft 20 refers to the angle information that certain moment main shaft rotates relative to mechanical zero, described mechanical zero information refer to preset as the positional information of reference point judging Spindle rotation angle degree, the upper thread length information of described pin long message required for embroidery one pin.Thread take-up mechanism 10 drives wire-crossing wheel 40 to rotate, wire-crossing wheel 40 drives the sensor 60 coaxial with it to rotate, thus detected rotation direction information and the rotational angle information of wire-crossing wheel by sensor, and the rotation direction information and rotational angle information that detect acquisition are sent to disconnected prosecution making sheet 70.
Preferably, sensor in the present embodiment adopts the magnetic coder based on AM5600 to detect the rotational angle information of wire-crossing wheel and rotation direction information, concrete, magnet is installed in one end of wire-crossing wheel 40, the chip of magnetic coder is placed in the top of magnet, wire-crossing wheel 40 is with moving magnet to rotate, and magnetic coder produces corresponding sinusoidal signal due to the rotation of magnet, thus magnetic coder is according to the rotational angle information of the sinusoidal signal determination wire-crossing wheel 40 produced and rotation direction information.
The angular position information of the main shaft 20 that disconnected prosecution making sheet 70 sends according to master control borad 30, direction of rotation information, mechanical zero information, determine the rotation calibration curve information of described main shaft 20, according to the rotational angle information of the wire-crossing wheel 40 that sensor 60 sends, rotation direction information, determine the rotation calibration curve information of wire-crossing wheel 40, according to the rotational angle information of wire-crossing wheel, determine whether the rotational angle of wire-crossing wheel exceeds default with described default pin long message with normal operating angle scope corresponding to the rotating speed data of main shaft 20, and determine that whether the rotation calibration curve information of wire-crossing wheel 40 is consistent with the rotation calibration curve information of main shaft 20.If the rotation calibration curve information of wire-crossing wheel 40 is consistent with the rotation calibration curve information of main shaft 20, and the rotational angle of wire-crossing wheel 40 is within the normal operating angle scope preset, then upper thread or bottom line do not break.Wherein, described default normal operating angle scope be according to the tension force of pin long message, upper thread or bottom line, the thickness of cloth and the tension force preset and when different rotation rates the combined factors such as comformity relation of main shaft and wire-crossing wheel set, when upper thread or bottom line do not rupture, allow the angular range that wire-crossing wheel rotates.If the rotation calibration curve information of the rotation calibration curve information of wire-crossing wheel 40 and main shaft 20 is inconsistent, or the rotational angle of wire-crossing wheel 40 is when exceeding default normal operating angle scope, then upper thread or bottom line broken string, the message of upper thread or bottom line broken string is sent to master control borad 30 by disconnected prosecution making sheet 70, controls rotating shaft shut down to make master control borad 30.
The broken thread detector that the present embodiment provides, by main shaft photoelectric encoder is connected with main shaft and master control borad respectively, make main shaft photoelectric encoder carry out Real-Time Monitoring to the angular position information of main shaft, direction of rotation information, rotating speed data and mechanical zero information, and monitoring result is sent to disconnected prosecution making sheet by master control borad, by sensor is connected with wire-crossing wheel and disconnected prosecution making sheet respectively, sensor is detected the rotational angle information of wire-crossing wheel and rotation direction information, and testing result is sent to disconnected prosecution making sheet, and then make disconnected prosecution making sheet according to the monitoring result received and testing result, determine whether the rotational angle of wire-crossing wheel exceeds the default normal operating angle scope corresponding with described default pin long message and described rotating speed data, whether the rotation calibration curve information of wire-crossing wheel is consistent with the rotation calibration curve information of described main shaft, thus the state of upper thread or bottom line is judged, improve the accuracy detecting upper thread or bottom line state, detection accuracy is higher.
The structural representation of the broken thread detector that Fig. 2 provides for another embodiment of the utility model, as shown in Figure 2, the broken thread detector that the present embodiment provides, the basis of above-described embodiment also comprises: guide rail, described some wire-crossing wheels are fixedly arranged on the both sides of described guide rail, described sensor 60 is fixedly arranged on pcb board part, and described pcb board part is slidedly arranged on described guide rail by slide block, adopts the mode of interference fits to be connected between slide block with described guide rail.
When broken thread detector works, by guide rail, sensor 60 is slided into the top of corresponding wire-crossing wheel 40, detect with the rotational angle information and rotation direction information that make sensor 60 pairs of wire-crossing wheels 40.
By arranging guide rail on broken thread detector, sensor is detected by the top of slide to corresponding wire-crossing wheel, and then make to use the sensor of lesser amt can realize, to the detection of multiple wire-crossing wheel, reducing cost.
Further, the broken thread detector that the present embodiment provides, preferably also comprises: for the alarm 80 of the sound that gives the alarm when upper thread or bottom line broken string, described alarm is connected with master control borad 30.
Concrete, after upper thread or bottom line broken string are determined in disconnected prosecution making sheet 70, by CAN, the testing result of upper thread or bottom line broken string is sent to master control borad 30, the testing result control alarm 80 that master control borad 30 sends according to disconnected prosecution making sheet 70 sends alarm sound, and controls main shaft 20 and stop operating.
The broken thread detector that the present embodiment provides, by main shaft photoelectric encoder is connected with main shaft and master control borad respectively, make main shaft photoelectric encoder carry out Real-Time Monitoring to the angular position information of main shaft, direction of rotation information, rotating speed data and mechanical zero information, and monitoring result is sent to disconnected prosecution making sheet by master control borad, by sensor is connected with wire-crossing wheel and disconnected prosecution making sheet respectively, sensor is detected the rotational angle information of wire-crossing wheel and rotation direction information, and testing result is sent to disconnected prosecution making sheet, and then make disconnected prosecution making sheet according to the monitoring result received and testing result, determine whether the rotational angle of wire-crossing wheel exceeds the default normal operating angle scope corresponding with described default pin long message and described rotating speed data, whether the rotation calibration curve information of wire-crossing wheel is consistent with the rotation calibration curve information of described main shaft, thus the state of upper thread or bottom line is judged, improve the accuracy detecting upper thread or bottom line state, detection accuracy is higher.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a broken thread detector, is characterized in that, comprising:
Thread take-up mechanism, main shaft, master control borad, some wire-crossing wheels, carry out the main shaft photoelectric encoder of Real-Time Monitoring, the sensor for the rotational angle information and rotation direction information that detect described wire-crossing wheel for the angular position information to described main shaft, direction of rotation information, rotating speed data and mechanical zero information, and disconnected prosecution making sheet;
Wherein, described master control borad is connected with described main shaft and described disconnected prosecution making sheet respectively; Described main shaft photoelectric encoder is connected with described main shaft and described master control borad respectively; Described wire-crossing wheel is connected with described thread take-up mechanism by upper thread, and described thread take-up mechanism drives described wire-crossing wheel to rotate by upper thread; Described sensor is connected with described wire-crossing wheel and described disconnected prosecution making sheet respectively.
2. device according to claim 1, is characterized in that, described sensor is magnetic coder.
3. device according to claim 2, is characterized in that, described magnetic coder is the encoder based on AMS5600.
4. device according to claim 1, is characterized in that, described disconnected prosecution making sheet is connected with described master control borad by CAN.
5. device according to claim 1, is characterized in that, also comprises guide rail;
Described some wire-crossing wheels are fixedly arranged on the both sides of described guide rail;
Described sensor is fixedly arranged on pcb board part, and described pcb board part is slidedly arranged on described guide rail by slide block.
6. device according to claim 5, is characterized in that, adopts the mode of interference fits to be connected between described slide block with described guide rail.
7. device according to claim 1, is characterized in that, also comprises the alarm for the sound that gives the alarm when upper thread or bottom line broken string;
Wherein, described alarm is connected with described master control borad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715138.XU CN204982348U (en) | 2015-09-15 | 2015-09-15 | Device for detecting disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715138.XU CN204982348U (en) | 2015-09-15 | 2015-09-15 | Device for detecting disconnection |
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| Publication Number | Publication Date |
|---|---|
| CN204982348U true CN204982348U (en) | 2016-01-20 |
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| CN201520715138.XU Active CN204982348U (en) | 2015-09-15 | 2015-09-15 | Device for detecting disconnection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155159A (en) * | 2015-09-15 | 2015-12-16 | 北京大豪科技股份有限公司 | Broken thread detection device and method |
| CN110453400A (en) * | 2019-08-16 | 2019-11-15 | 北京大豪科技股份有限公司 | Embroidery machine upper thread condition detection method, device, electronic equipment and storage medium |
| CN114753072A (en) * | 2022-05-30 | 2022-07-15 | 浙江越隆缝制设备有限公司 | Embroidery machine embroidery frame power-off protection control method, system and device |
-
2015
- 2015-09-15 CN CN201520715138.XU patent/CN204982348U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155159A (en) * | 2015-09-15 | 2015-12-16 | 北京大豪科技股份有限公司 | Broken thread detection device and method |
| CN105155159B (en) * | 2015-09-15 | 2018-03-02 | 北京大豪科技股份有限公司 | Broken thread detector and method |
| CN110453400A (en) * | 2019-08-16 | 2019-11-15 | 北京大豪科技股份有限公司 | Embroidery machine upper thread condition detection method, device, electronic equipment and storage medium |
| CN114753072A (en) * | 2022-05-30 | 2022-07-15 | 浙江越隆缝制设备有限公司 | Embroidery machine embroidery frame power-off protection control method, system and device |
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