CN203159905U - Color-changing control system for embroidery machine - Google Patents
Color-changing control system for embroidery machine Download PDFInfo
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- CN203159905U CN203159905U CN 201220665909 CN201220665909U CN203159905U CN 203159905 U CN203159905 U CN 203159905U CN 201220665909 CN201220665909 CN 201220665909 CN 201220665909 U CN201220665909 U CN 201220665909U CN 203159905 U CN203159905 U CN 203159905U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 12
- 230000001427 coherent effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009966 trimming Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
The utility model provides a color-changing control system for an embroidery machine. The color-changing control system comprises a control unit, a driving unit and an execution unit, wherein the control unit is used for monitoring the current position of a needle bar rack, calculating the displacement required to be generated by the execution unit according to the current position and the target position and outputting the corresponding drive control instruction according to the displacement; the driving unit is used for outputting the drive power according to the drive control instruction output by the control unit; and the execution unit is used for driving the needle bar rack to generate corresponding displacement according to the drive power output by the driving unit. According to the embodiment, the displacement generated by the execution unit is calculated through the control unit, and the driving unit is quantitatively controlled to drive the execution unit to finish the color changing action. Compared with the prior art, the color-changing control system has the advantages that the mechanical return difference and mechanical error can be effectively eliminated, the system has high color changing precision and is coherent in color changing action.
Description
Technical Field
The utility model relates to an automatic control technique especially relates to an embroidery machine trades look control system.
Background
At present, the requirement of consumers on the quality of embroidery is stricter and stricter, and the color changing precision is an important factor influencing the quality of embroidery. The color changing precision of the existing embroidery machine color changing control method completely depends on a mechanical structure.
The existing color changing control mode is as follows: the drive motor drives the threaded rod to rotate, the thread layout on the threaded rod is a structure with flat grooves and inclined grooves arranged at intervals, and the distance between every two adjacent flat grooves is equal to that between the needle rods. When the threaded rod rotates, the inclined groove drives the needle bar frame which is spirally connected with the threaded rod to move horizontally. When the needle bar frame moves horizontally to the flat groove on the threaded rod, the needle bar frame stops moving. The needle bar frame is in the flat groove position, the position of the needle on the needle bar frame is determined, and the color changing is completed. The existing color changing control completely depends on a flat groove on a threaded rod for positioning, the positioning precision is low, the phenomenon that a needle bar frame moves is 'moving + pausing + moving + pausing', and the action is not coherent enough. In addition, the existing color changing mode usually adopts two driving modes, one is that a single-phase alternating current motor drives a threaded rod after being decelerated by a speed reducer, and the other is that a stepping motor directly drives the threaded rod, wherein the output rotating speed of the stepping motor is designed to be lower in order to improve the output torque of the stepping motor. The existing two driving modes have lower driving speed, and influence the color changing speed of the embroidery machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides an embroidery machine trades look control system to improve trade the look precision and trade look speed.
The embodiment of the utility model provides an embroidery machine trades look control system, include:
the control unit is used for monitoring the current position of the needle bar frame, calculating the displacement required to be generated by the execution unit according to the current position and the target position, and outputting a corresponding driving control instruction according to the displacement;
a driving unit for outputting driving power according to the driving control instruction output by the control unit;
the execution unit is used for driving the needle bar frame to generate corresponding displacement according to the driving power output by the driving unit;
the control unit is connected with the driving unit, the power output end of the driving unit is connected with the power input end of the execution unit, and the power output end of the execution unit is connected with the needle bar frame.
The embroidery machine color changing control system further comprises: an upper computer for outputting the target position to the control unit; the upper computer is connected with the control unit.
The color changing control system of the embroidery machine, wherein the control unit comprises:
a needle position monitor for monitoring the current position of the needle bar holder and outputting the current position to the central processor;
the central processing unit is used for calculating the displacement required to be generated by the execution unit according to the received current position and the target position and outputting a corresponding driving control instruction according to the displacement;
a communication interface for communicating with the drive unit;
wherein the needle position monitor is connected to the central processor.
The color changing control system of the embroidery machine, wherein the control unit further comprises: a memory for storing fine tuning values for the needle bar holder;
an input unit for outputting the fine tuning value to the central processing unit; and
also for writing the received trim value to the memory; a central processing unit for reading the fine tuning value in the memory and calculating the displacement required by the execution unit according to the current position, the target position and the fine tuning value;
the input unit is connected with the central processing unit, and the central processing unit is connected with the memory.
The color changing control system of the embroidery machine, wherein the needle position monitor comprises a potentiometer or an optical coupler.
The color changing control system of the embroidery machine as described above, wherein the driving unit comprises a stepping motor with an encoder.
The color changing control system of the embroidery machine as described above, wherein the execution unit includes: a lead screw and a slide block; wherein,
the power input end of the lead screw is connected with the power output end of the driving unit;
the sliding block is in threaded connection with the lead screw;
the sliding block is connected with the needle bar frame.
The technical effects of the utility model are that: the embodiment of the utility model provides an embroidery machine trades look control system calculates the required displacement that produces of execution unit through the control unit, then quantitative control drive unit drive the execution unit is accomplished and is traded the look action. Compared with the prior art, the utility model discloses can effectively eliminate mechanical return difference and mechanical error, have higher look precision of trading, and trade the look action and comparatively link up.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the color changing control system of the embroidery machine provided by the present invention;
fig. 2 is a schematic structural diagram of a first embodiment of the color changing control system of the embroidery machine provided by the present invention;
fig. 3 is a schematic structural diagram of the control unit in the embodiment of the color changing control system of the embroidery machine provided by the present invention.
Detailed Description
As shown in fig. 1, the first embodiment of the color changing control system of the embroidery machine of the present invention has a schematic structural diagram. As shown in the drawing, the present embodiment includes: a control unit 1, a drive unit 2 and an execution unit 3. The control unit 1 is used for monitoring the current position of the needle bar frame, calculating the displacement required to be generated by the execution unit according to the current position and the target position, and outputting a corresponding driving control instruction according to the displacement. The driving unit 2 is used for outputting driving power according to the driving control instruction output by the control unit 1. The execution unit 3 is used for driving the needle bar frame to generate corresponding displacement according to the driving power output by the driving unit 2. As shown in the figure, the control unit 1 is connected to the drive unit 2. And the power output end of the driving unit 2 is connected with the power input end of the execution unit 3. The power output end of the execution unit is connected with the needle bar frame so as to drive the needle bar frame to move according to control requirements.
Specifically, the driving unit in the above embodiment includes a motor. The motor may be a stepper motor, preferably a stepper motor with an encoder. By adopting the stepping motor with the encoder, the control unit in the embroidery machine color changing control system of the embodiment can perform positive and negative fine adjustment on the motor by taking the zero position of the encoder as the center, so as to improve the color changing precision. The execution unit comprises a lead screw and a sliding block. And the power input end of the lead screw is connected with the power output end of the driving unit. The sliding block is in threaded connection with the lead screw. The sliding block is connected with the needle bar frame. Specifically, the power input end of the lead screw is connected with the power output end of the stepping motor with the encoder. In the embodiment, the stepping motor with the encoder directly drives the screw, so that the rotating speed of the stepping motor with the encoder can be designed to be higher and can be several times of the output rotating speed of the driving motor in the prior art.
In the embodiment, the control unit calculates the displacement required to be generated by the execution unit, and then the quantitative control driving unit drives the execution unit to complete the color changing action. Compared with the prior art, the utility model discloses can effectively eliminate mechanical return difference and mechanical error, have higher look precision of trading, and trade the look efficient.
As shown in fig. 2, the second embodiment of the color changing control system of the embroidery machine of the present invention has a schematic structural diagram. As shown in the figure, the second embodiment is based on the first embodiment, and further comprises an upper computer 4. The upper computer 4 is connected with the control unit 1. The upper computer 4 is used for outputting the target position to the control unit 1 or receiving the state information of the needle bar frame output by the control unit 4. Wherein the state information is the state information of the needle bar frame after moving or the position state information of the needle bar frame, and the like. The upper computer can be a computer and also can be an electric control system of the computerized embroidery machine. The user can input a specific color changing instruction through an input keyboard of the upper computer, or a corresponding program is stored in the upper computer in advance, and the upper computer outputs the corresponding color changing instruction to the control unit according to the program.
Specifically, in each of the above embodiments, the control unit 1 includes: a needle position monitor 101, a central processor 102 and a communication interface 103, as shown in fig. 2. Wherein, the needle position monitor 101 is used for monitoring the current position of the needle bar frame and outputting the current position to the central processor 102. The needle position monitor 101 is a potentiometer or an optocoupler or the like. Namely, the needle position monitor 101 adopts a potentiometer monitoring method or an optical coupling monitoring method. The central processing unit 102 is configured to calculate a displacement required to be generated by the execution unit 3 according to the received current position and the target position, and output a corresponding driving control instruction according to the displacement. The communication interface 103 is used for communicating with the driving unit 2 or communicating with the upper computer 4. As shown in fig. 2, the needle position monitor 101 and the communication interface 102 are connected to the central processor 102, respectively. Specifically, the communication between the driving unit and the central processing unit and the communication between the upper computer and the central processing unit CAN be CAN (Controller Area Network, field bus) communication or RS485 communication.
As shown in fig. 3, in order to further improve the control accuracy of the color changing control system of the embroidery machine so that the embroidery machine has higher color changing accuracy, the control unit 1 further includes a memory 104 and an input unit (not shown in the figure). Wherein the memory 104 is used for storing the fine adjustment value of the needle bar rack. The fine tuning value is an error existing in the execution unit and can be obtained through experiments or calculation. The memory is a non-volatile memory. The input unit is used for outputting the fine tuning numerical value to the central processing unit. Specifically, the input unit may be an input keyboard or a touch screen in the upper computer 4 shown in fig. 2. When the execution unit needs to be adjusted, a worker can input a corresponding fine adjustment value through the input unit or directly through the upper computer. Accordingly, the cpu 102 in the above embodiment is further configured to write the trimming value received from the input unit into the memory 104; and reading the fine tuning value in the memory 104, and calculating the central processing unit of the displacement required to be generated by the execution unit according to the current position, the target position and the fine tuning value. Specifically, the central processing unit 102 receives the trimming value output by the input unit through the communication interface 103, and then writes the trimming value into the memory. The central processing unit 102 calls a corresponding writing program only when the execution unit needs to be adjusted, and writes the fine tuning value received from the input unit into the memory 104; the central processing unit reads the trimming value from the memory frequently. The fine tuning value read by the central processing unit in the memory can be uniformly read when the embroidery machine color changing control system is electrified and initialized, or can be read according to the requirement in the color changing control process. The central processing unit 102 uses the fine adjustment to fine adjust the rotation angle of the motor, so as to realize the displacement fine adjustment of the needle bar frame driven by the execution unit. The input unit is connected with the central processing unit, and the central processing unit is connected with the memory.
The utility model provides an embroidery machine trades look control system's theory of operation as follows:
first, a needle position monitor monitors the current position of the needle bar housing and outputs the current position to the central processor.
Specifically, before color changing control, the central processing unit positions the motor to a zero position of the encoder according to the position of the encoder, then judges whether the position of the needle bar frame is valid according to information monitored by the needle position monitor, if the position of the needle bar frame is invalid, the central processing unit controls the driving unit to enable the needle bar frame to move to an effective position closest to the position of the needle bar frame, otherwise, if a fine tuning numerical value of the position of the needle bar frame is zero, the stepping motor with the encoder rotates to the zero position of the encoder; and if the fine adjustment value of the current position of the needle bar frame is not zero, the stepping motor with the encoder rotates according to the fine adjustment value.
Then, after the central processing unit receives the color changing instruction input by the upper computer, the central processing unit calculates the displacement required to be generated by the execution unit according to the current position of the needle bar frame, the target position and the pre-stored fine adjustment value of the needle bar frame, which are monitored and output by the needle position monitor, and outputs a corresponding driving control instruction according to the displacement.
Wherein, the color changing instruction in the above steps carries the target position.
And finally, after receiving the driving control instruction, the motor outputs rotary power to drive the screw rod to rotate. The lead screw is driven by the motor to rotate, and the sliding block in threaded connection with the lead screw is enabled to linearly displace. And after the motor stops rotating, the sliding block moves to a target position, and then the color changing process is completed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. An embroidery machine color changing control system, comprising:
the control unit is used for monitoring the current position of the needle bar frame, calculating the displacement required to be generated by the execution unit according to the current position and the target position, and outputting a corresponding driving control instruction according to the displacement;
a driving unit for outputting driving power according to the driving control instruction output by the control unit;
the execution unit is used for driving the needle bar frame to generate corresponding displacement according to the driving power output by the driving unit;
the control unit is connected with the driving unit, the power output end of the driving unit is connected with the power input end of the execution unit, and the power output end of the execution unit is connected with the needle bar frame.
2. The embroidery machine color changing control system of claim 1, further comprising: an upper computer for outputting the target position to the control unit; the upper computer is connected with the control unit.
3. The embroidery machine color-changing control system according to claim 1 or 2, wherein the control unit comprises:
a needle position monitor for monitoring the current position of the needle bar frame and outputting the current position to a central processor;
the central processing unit is used for calculating the displacement required to be generated by the execution unit according to the received current position and the target position and outputting a corresponding driving control instruction according to the displacement;
a communication interface for communication;
wherein, the needle position monitor and the communication interface are respectively connected with the central processing unit.
4. The embroidery machine color changing control system according to claim 3, wherein the control unit further comprises: a memory for storing fine tuning values for the needle bar holder;
an input unit for outputting the fine tuning value to the central processing unit; and
also for writing the received trim value to the memory; a central processing unit for reading the fine tuning value in the memory and calculating the displacement required by the execution unit according to the current position, the target position and the fine tuning value;
the input unit is connected with the central processing unit, and the central processing unit is connected with the memory.
5. The embroidery machine color changing control system of claim 3, wherein the needle position monitor is a potentiometer or an optocoupler.
6. The embroidery machine color-changing control system according to claim 1 or 2, wherein the driving unit comprises a stepping motor with an encoder.
7. The embroidery machine color changing control system of claim 6, wherein the execution unit comprises: a lead screw and a slide block; wherein,
the power input end of the lead screw is connected with the power output end of the driving unit;
the sliding block is in threaded connection with the lead screw;
the sliding block is connected with the needle bar frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665909 CN203159905U (en) | 2012-12-05 | 2012-12-05 | Color-changing control system for embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665909 CN203159905U (en) | 2012-12-05 | 2012-12-05 | Color-changing control system for embroidery machine |
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| Publication Number | Publication Date |
|---|---|
| CN203159905U true CN203159905U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220665909 Expired - Fee Related CN203159905U (en) | 2012-12-05 | 2012-12-05 | Color-changing control system for embroidery machine |
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| CN (1) | CN203159905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604996A (en) * | 2021-09-15 | 2021-11-05 | 汝州玛雅机电科技有限公司 | Embroidery machine color changing control method and electronic equipment |
| CN115125680A (en) * | 2022-06-24 | 2022-09-30 | 浙江信胜科技股份有限公司 | Embroidery machine color changing control system and method |
-
2012
- 2012-12-05 CN CN 201220665909 patent/CN203159905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604996A (en) * | 2021-09-15 | 2021-11-05 | 汝州玛雅机电科技有限公司 | Embroidery machine color changing control method and electronic equipment |
| CN115125680A (en) * | 2022-06-24 | 2022-09-30 | 浙江信胜科技股份有限公司 | Embroidery machine color changing control system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130828 Termination date: 20211205 |