CN114115135B - Control system and method for spring machine return-to-zero - Google Patents
Control system and method for spring machine return-to-zero Download PDFInfo
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- CN114115135B CN114115135B CN202111526121.6A CN202111526121A CN114115135B CN 114115135 B CN114115135 B CN 114115135B CN 202111526121 A CN202111526121 A CN 202111526121A CN 114115135 B CN114115135 B CN 114115135B
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- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
- G05B19/4142—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by the use of a microprocessor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34013—Servocontroller
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention discloses a control system for zeroing a spring machine, which comprises an action output module, an output execution module, a signal detection module and a signal processing module, wherein the action output module is used for outputting a signal to a spring machine; meanwhile, the invention also provides a control method for zeroing the spring machine, which comprises the following steps: s1: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed, a second signal is detected and collected in real time in the moving process, and the movement of the mechanical shaft of the spring machine is not stopped even if the first signal is received in the moving process; s2: and when the second signal is acquired, controlling the mechanical shaft of the spring machine to continuously move towards the first direction at the second speed, and when the first signal is detected to be acquired, controlling the mechanical shaft of the spring machine to stop moving, and finishing zero resetting. The invention can solve the problem that a plurality of servo Z signals exist in the mechanical movement range to cause a plurality of mechanical zero points, thereby improving the zeroing precision and the precision of product processing.
Description
Technical Field
The invention relates to the technical field of spring machine zeroing, in particular to a control system and method for spring machine zeroing.
Background
At present, a zeroing method of a mechanical shaft of a spring machine mostly uses a servo Z signal as a zero signal directly or a proximity switch as a zero signal. However, some mechanical devices can move within the whole range, the servo can generate a plurality of Z signals, which leads to that the servo Z signals cannot be directly used as zero points, and meanwhile, as the requirements of the market on the mechanical machining precision are higher and higher, the proximity switch used as the zero points cannot meet the precision requirement, so that improvement is needed.
Disclosure of Invention
The invention aims to provide a control system and a control method for zeroing a spring machine, which adopt a mode of combining a proximity switch and a servo Z signal, can solve the problem that a plurality of mechanical zero points are caused by a plurality of servo Z signals in a mechanical movement range, and solve the problem that the precision of a single proximity switch is not high, thereby improving the zeroing precision and the precision of product processing.
In order to achieve the above purpose, the following technical scheme is adopted:
a control system for zeroing a spring machine comprises
The action output module: the output execution module is used for outputting a first control instruction to the output execution module;
and the output execution module is used for: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed by the driver according to a first control instruction output by the action output module;
and the signal detection module is used for: the device is used for detecting the first signal and the second signal in the movement process of the mechanical shaft of the spring machine and transmitting the first signal and the second signal to the signal processing module;
and a signal processing module: the device is used for carrying out filtering processing on the first signal and the second signal and transmitting the first signal and the second signal after the filtering processing to the action output module;
the action output module is further used for continuously outputting a first control instruction to the output execution module when the first signal is received, so as to control the mechanical shaft of the spring machine to continuously and rapidly move towards the first direction at a first speed until the second signal is received; the action output module is also used for outputting a second control instruction to the output execution module when receiving the second signal; the output execution module is further used for controlling the mechanical shaft of the spring machine to continuously move towards the first direction at a second speed through the driver after receiving the second control instruction until the action output module receives the first signal again; the action output module is also used for outputting a third control instruction to the output execution module when receiving the first signal again; and the output execution module is also used for controlling the mechanical shaft of the spring machine to stop moving through the driver after receiving the third control instruction.
Further, the first signal is a servo Z signal, and the second signal is a proximity switch signal.
Further, the first speed is greater than the second speed.
The control method for zeroing the spring machine comprises the following steps:
s1: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed, a second signal is detected and collected in real time in the moving process, and the movement of the mechanical shaft of the spring machine is not stopped even if the first signal is received in the moving process;
s2: and when the second signal is acquired, controlling the mechanical shaft of the spring machine to continuously move towards the first direction at the second speed, and when the first signal is detected to be acquired, controlling the mechanical shaft of the spring machine to stop moving, and finishing zero resetting.
Further, after the first signal and the second signal are collected, filtering processing is required to be performed on the first signal and the second signal so as to reject the interference signal.
Further, the first signal is a servo Z signal, and the second signal is a proximity switch signal.
Further, the first speed is greater than the second speed.
By adopting the scheme, the invention has the beneficial effects that:
the proximity switch and the servo Z signal are combined, so that the problem that a plurality of mechanical zero points are caused by a plurality of servo Z signals in a mechanical movement range can be solved, and the problem that the precision of the single proximity switch is low is solved, and the zero-returning precision and the precision of product processing are improved.
Drawings
FIG. 1 is a schematic block diagram of a zeroing control system of the present invention;
FIG. 2 is a flow chart diagram of a zeroing control method of the present invention;
Detailed Description
The invention will be described in detail below with reference to the drawings and the specific embodiments.
Referring to FIG. 1, the invention provides a control system for zeroing a spring machine, which comprises
The action output module: the output execution module is used for outputting a first control instruction to the output execution module;
and the output execution module is used for: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed by the driver according to a first control instruction output by the action output module;
and the signal detection module is used for: the device is used for detecting the first signal and the second signal in the movement process of the mechanical shaft of the spring machine and transmitting the first signal and the second signal to the signal processing module;
and a signal processing module: the device is used for carrying out filtering processing on the first signal and the second signal and transmitting the first signal and the second signal after the filtering processing to the action output module;
the action output module is further used for continuously outputting a first control instruction to the output execution module when the first signal is received, so as to control the mechanical shaft of the spring machine to continuously and rapidly move towards the first direction at a first speed until the second signal is received; the action output module is also used for outputting a second control instruction to the output execution module when receiving the second signal; the output execution module is further used for controlling the mechanical shaft of the spring machine to continuously move towards the first direction at a second speed through the driver after receiving the second control instruction until the action output module receives the first signal again; the action output module is also used for outputting a third control instruction to the output execution module when receiving the first signal again; and the output execution module is also used for controlling the mechanical shaft of the spring machine to stop moving through the driver after receiving the third control instruction.
The first signal is a servo Z signal, and the second signal is a proximity switch signal; the first speed is greater than the second speed.
Referring to fig. 2, there is also provided a control method for zeroing a spring machine, including the steps of:
s1: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed, a second signal is detected and collected in real time in the moving process, and the movement of the mechanical shaft of the spring machine is not stopped even if the first signal is received in the moving process;
s2: and when the second signal is acquired, controlling the mechanical shaft of the spring machine to continuously move towards the first direction at the second speed, and when the first signal is detected to be acquired, controlling the mechanical shaft of the spring machine to stop moving, and finishing zero resetting.
After the first signal and the second signal are acquired, filtering processing is needed to be carried out on the first signal and the second signal so as to eliminate interference signals; the first signal is a servo Z signal, and the second signal is a proximity switch signal; the first speed is greater than the second speed.
The working principle of the invention is as follows:
with continued reference to fig. 2, the invention provides a control method for zeroing a spring machine, which adopts a mode of combining a proximity switch and a servo Z signal, and can solve the problem that a plurality of mechanical zero points are caused by a plurality of servo Z signals in a mechanical movement range and solve the problem that the precision of a single proximity switch is not high, thereby improving the zeroing precision and the precision of product processing, in particular:
firstly, after the installation and debugging of a mechanical shaft of a spring machine are finished, and returning to zero, controlling the mechanical shaft to rapidly move in a first direction (the direction of the axial movement of the mechanical shaft is determined according to the action of the preset mechanical shaft) at a first speed (the speed is higher and can be preset); typically, the first speed will be relatively high, so that the zeroing time can be reduced without affecting the zeroing accuracy; subsequently, during the movement of the mechanical shaft at the first speed, the Z signal of the servo drive is not processed, but continues to move in the first direction to wait for the proximity switch signal (if no proximity switch signal is received, the movement is continued at the first speed); after receiving the proximity switch signal, controlling the mechanical shaft to move at a second speed (the second speed is slower than the first speed) continuously in the first direction so as to search for the servo Z signal again; the second speed is lower than the first speed, then the key time for searching the servo Z signal is the key step for searching the mechanical zero point, and the low speed is beneficial to improving the precision; then, when the absolute position Z signal in the servo driver is received, the servo Z signal is filtered (the approach switch signal is filtered to avoid interference) because the interference of the servo driver is larger, and the error signal which is possibly interfered is removed, so that the zeroing accuracy is improved; so far, the position where the servo Z signal is received again is the zero position, and the zeroing is completed.
In addition, a control system for zeroing the spring machine is also provided, and the system comprises
The action output module: the output execution module is used for outputting a first control instruction to the output execution module;
and the output execution module is used for: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed by the driver according to a first control instruction output by the action output module;
and the signal detection module is used for: the device is used for detecting a first signal (a servo Z signal) and a second signal (a proximity switch signal) in the movement process of a mechanical shaft of the spring machine and transmitting the first signal (the servo Z signal) and the second signal (the proximity switch signal) to the signal processing module;
and a signal processing module: the device is used for carrying out filtering processing on the first signal and the second signal and transmitting the first signal and the second signal after the filtering processing to the action output module;
the action output module is further used for continuously outputting a first control instruction to the output execution module when the first signal is received, so as to control the mechanical shaft of the spring machine to continuously and rapidly move towards the first direction at a first speed until the second signal is received; the action output module is further used for outputting a second control instruction to the output execution module when receiving the second signal, and controlling the mechanical shaft of the spring machine to continue to move towards the first direction at a second speed (smaller than the first speed) through the driver after receiving the second control instruction until the action output module receives the first signal again; the action output module is also used for outputting a third control instruction to the output execution module when the first signal is received again; the output execution module is also used for controlling the mechanical shaft of the spring machine to stop moving through the driver after receiving the third control instruction.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The control system for zeroing the spring machine is characterized by comprising
The action output module: the output execution module is used for outputting a first control instruction to the output execution module;
and the output execution module is used for: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed by the driver according to a first control instruction output by the action output module;
and the signal detection module is used for: the device is used for detecting the first signal and the second signal in the movement process of the mechanical shaft of the spring machine and transmitting the first signal and the second signal to the signal processing module;
and a signal processing module: the device is used for carrying out filtering processing on the first signal and the second signal and transmitting the first signal and the second signal after the filtering processing to the action output module;
the action output module is further used for continuously outputting a first control instruction to the output execution module when the first signal is received, so as to control the mechanical shaft of the spring machine to continuously and rapidly move towards the first direction at a first speed until the second signal is received; the action output module is also used for outputting a second control instruction to the output execution module when receiving the second signal; the output execution module is further used for controlling the mechanical shaft of the spring machine to continuously move towards the first direction at a second speed through the driver after receiving the second control instruction until the action output module receives the first signal again; the action output module is also used for outputting a third control instruction to the output execution module when receiving the first signal again; and the output execution module is also used for controlling the mechanical shaft of the spring machine to stop moving through the driver after receiving the third control instruction.
2. The spring machine return-to-zero control system of claim 1, wherein the first signal is a servo Z signal and the second signal is a proximity switch signal.
3. The spring machine zeroing control system of claim 1, wherein the first speed is greater than the second speed.
4. A control method of a spring machine return-to-zero control system according to claim 1, comprising the steps of:
s1: the mechanical shaft of the spring machine is controlled to move rapidly towards a first direction at a first speed, a second signal is detected and collected in real time in the moving process, and the movement of the mechanical shaft of the spring machine is not stopped even if the first signal is received in the moving process;
s2: and when the second signal is acquired, controlling the mechanical shaft of the spring machine to continuously move towards the first direction at the second speed, and when the first signal is detected to be acquired, controlling the mechanical shaft of the spring machine to stop moving, and finishing zero resetting.
5. The control method according to claim 4, wherein after the first signal and the second signal are acquired, filtering processing is required to remove an interference signal.
6. The control method of claim 4, wherein the first signal is a servo Z signal and the second signal is a proximity switch signal.
7. The control method of claim 4, wherein the first speed is greater than the second speed.
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| CN202111526121.6A CN114115135B (en) | 2021-12-14 | 2021-12-14 | Control system and method for spring machine return-to-zero |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111526121.6A CN114115135B (en) | 2021-12-14 | 2021-12-14 | Control system and method for spring machine return-to-zero |
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| CN114115135B true CN114115135B (en) | 2024-03-26 |
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| CN107357262A (en) * | 2017-05-31 | 2017-11-17 | 深圳市亚启科技有限公司 | Mechanical displacement collision zero control system and method based on motion control |
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| TWI424912B (en) * | 2011-01-28 | 2014-02-01 | Pegatron Corp | Robot control system and method |
| CN109849046B (en) * | 2017-11-30 | 2020-11-24 | 深圳市优必选科技有限公司 | Zero returning method and zero returning system of steering engine rotor, steering engine and robot |
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|---|---|---|---|---|
| CN205660094U (en) * | 2016-05-04 | 2016-10-26 | 广州亿图自动控制系统有限公司 | Coiling machine control system based on ARM |
| CN107263831A (en) * | 2017-05-31 | 2017-10-20 | 深圳市亚启科技有限公司 | The control system and method for mould are closed available for injection machine servo |
| CN107357262A (en) * | 2017-05-31 | 2017-11-17 | 深圳市亚启科技有限公司 | Mechanical displacement collision zero control system and method based on motion control |
Non-Patent Citations (1)
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