Packaging machine control circuit and method
A control circuit and packaging machine technology, which is applied in the direction of motor generator control, AC motor control, control system, etc., can solve the problems of low precision, slow packaging speed, poor static stability, etc. stable effect
Inactive Publication Date: 2017-06-20
广州大度机械科技有限公司
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Problems solved by technology
The packaging accuracy of the above packaging machine is full scale, static ±0.2%, dynamic ±0.5%, and the packaging speed is 400 bags per hour. The disadvantages are slow packaging speed, low precision and poor static stability.
Method used
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Embodiment Construction
[0021] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0022] Such as figure 1 and combine Figure 2 to Figure 4 As shown, a packaging machine control circuit includes a frequency converter, a stepper driver, an AC-DC conversion module, a PLC module, a power cord and a man-machine interface module. The frequency converter is connected to the power cord through a second switch QF2, and the step The drive is connected to the power line through the transformer and the third switch QF3 in turn, the AC-DC conversion module is connected to the power line through the fourth switch QF4, the AC-DC conversion module is respectively connected to the PLC module and the man-machine interface module, and the PLC module is connected to A man-machine interface module, the frequency converter is connected with a first ...
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The invention relates to the technical field of packaging machine control and especially relates to a packaging machine control circuit and method. A frequency converter is connected with a power line through a second switch; a stepping driver is connected with the power line through a transformer and a third switch in sequence; an AC-DC conversion module is connected with power line through a fourth switch; the AC-DC conversion module is connected with a PLC module and a human-computer interface module; the PLC module is connected with the human-computer interface module; the frequency converter is connected with a first driving motor; and the stepping driver is connected with a stepping motor. The beneficial effects are that the packaging machine control circuit comprises the frequency converter, the stepping driver, the AC-DC conversion module, the PLC module, the power line and the human-computer interface module, wherein the AC-DC conversion module can convert an alternating current into a direct current, and the PLC module can analyze sensor signals and carry out control through a solenoid valve and an air pressure switch, so that packaging speed is improved, and stable performance is realized; and the human-computer interface module realizes convenient control and operation, and meanwhile, very high practicality is achieved.
Description
technical field [0001] The invention relates to the technical field of packaging machine control, in particular to a packaging machine control circuit and a method thereof. Background technique [0002] In order to improve the packaging speed of commodities such as grain and feed, automatic packaging machines are widely used at present. The existing packaging machine control circuit is usually composed of a weight sensor, weighing display controller, Siemens PLC programming controller, electromagnetic reversing valve, cylinder, etc. The signal of the weight sensor passes through the weighing display controller and outputs the control signal through signal amplification. The PLC controls the electromagnetic reversing valve to achieve coarse feeding and fine feeding, and then the bag is manually clamped and then the proximity switch is pressed, and the bag is automatically dropped when it is full. The packaging accuracy of the above-mentioned packaging machine is full scale, ...
Claims
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Login to View More IPC IPC(8): H02P27/04H02P8/00
CPCH02P8/00H02P27/04
Inventor 覃有泉杨晓庆张进标
Owner 广州大度机械科技有限公司