CN214082530U - Automatic control device for blanking in injection molding production of plug-in terminal - Google Patents
Automatic control device for blanking in injection molding production of plug-in terminal Download PDFInfo
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- CN214082530U CN214082530U CN202023074168.7U CN202023074168U CN214082530U CN 214082530 U CN214082530 U CN 214082530U CN 202023074168 U CN202023074168 U CN 202023074168U CN 214082530 U CN214082530 U CN 214082530U
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Abstract
The utility model discloses a plug-in components terminal injection moulding production unloading automatic control device, including the feed bin, the feed bin bottom sets up the detecting element that weighs, and the discharge gate of feed bin sets up the unloading control valve, the detecting element that weighs includes weighing sensor, weighing sensor's detected signal sends into in the controller after band-pass filter circuit and LC filter circuit handle, the output of controller is connected the control end of unloading control valve, the utility model discloses degree of automation is high, can effectively reduce the labour, makes plug-in components terminal injection moulding production simple more high-efficient, just the utility model discloses the symmetry detects signal processing ability by weight is strong, and material weight detects accurate reliable, effectively eliminates system error, promotes plug-in components terminal production quality.
Description
Technical Field
The utility model relates to a plug-in components terminal injection moulding production technical field especially relates to a plug-in components terminal injection moulding production unloading automatic control device.
Background
The wiring harness plug-in terminal of the automobile is an important part in automobile composition, the injection molding machine is main forming equipment for plug-in terminal production, the weight of a used material needs to be calculated when the material enters the injection molding machine, the existing injection molding machine is in the production process, the method for calculating the material consumption condition is to weigh the raw material through a floor scale firstly, then the raw material is sucked into a hopper through a material sucking device, after extrusion molding processing is finished, the residual material in the hopper is put back into a material bag for weighing, then the residual material is subtracted from the total material weight to obtain the consumed material, the traditional algorithm is relatively original, the operation process is troublesome, time and labor are wasted, and large errors exist in calculation.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the present invention provides an automatic control device for the injection molding production and blanking of plug-in terminals.
The technical scheme for solving the problem is as follows: the utility model provides an insert terminal injection moulding production unloading automatic control device, includes the feed bin, and the feed bin bottom sets up the detecting element that weighs, and the discharge gate of feed bin sets up the unloading control valve, the detecting element that weighs includes weighing sensor, weighing sensor's detected signal sends into the controller after band-pass filter circuit and LC filter circuit handle, the output of controller is connected the control end of unloading control valve.
Preferably, the band-pass filter circuit includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to one end of a resistor R3 and one end of a capacitor C2, the other end of the resistor R3 is connected to one end of a resistor R2 and one end of a capacitor C3, the other end of the resistor R2 is connected to one end of a resistor R1, one end of a capacitor C1 and a signal output terminal of the load cell, the other end of the resistor R1 is connected to a +5V power supply, the other ends of the capacitors C1 and C2 are grounded in parallel, an inverting input terminal of the operational amplifier AR1 is connected to one end of a resistor R4, and an output terminal of the operational amplifier AR1 is connected to the other ends of a resistor R4 and a capacitor C3.
Preferably, the LC filter circuit includes an inductor L1, one end of the inductor L1 is connected to one end of a capacitor C4, and is connected to an output end of the operational amplifier AR1 through a resistor R5, the other end of the capacitor C4 is connected to one ends of resistors R6, R7 and the capacitor C5, the other end of the resistor R6 is connected to a +5V power supply, the other ends of the resistor R7 and the inductor L1 are grounded in parallel, and the other end of the capacitor C5 is connected to the controller.
Preferably, the controller is a PLC control module.
Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses degree of automation is high, can effectively reduce the labour, makes the plug-in components terminal production of moulding plastics simple high-efficient more, just the utility model discloses the symmetry detects signal processing ability reinforce, and material weight detects accurate reliable, effectively eliminates system error, promotes plug-in components terminal production quality.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides an insert terminal injection moulding production unloading automatic control device, includes the feed bin, and the feed bin bottom sets up the detecting element that weighs, and the discharge gate of feed bin sets up the unloading control valve, the detecting element that weighs includes weighing sensor, weighing sensor's detected signal sends into the controller after band-pass filter circuit and LC filter circuit handle, the output of controller is connected the control end of unloading control valve. When the device is specifically set, the controller selects the PLC control module.
The band-pass filter circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with one ends of a resistor R3 and a capacitor C2, the other end of the resistor R3 is connected with one ends of a resistor R2 and a capacitor C3, the other end of the resistor R2 is connected with one ends of a resistor R1 and a capacitor C1 and the signal output end of the weighing sensor, the other end of the resistor R1 is connected with a +5V power supply, the other ends of the capacitors C1 and C2 are grounded in parallel, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4, and the output end of the operational amplifier AR1 is connected with the other ends of a resistor R4 and a capacitor C3.
The LC filter circuit comprises an inductor L1, one end of an inductor L1 is connected with one end of a capacitor C4 and is connected with the output end of an operational amplifier AR1 through a resistor R5, the other end of the capacitor C4 is connected with one ends of resistors R6, R7 and the capacitor C5, the other end of a resistor R6 is connected with a +5V power supply, the other ends of the resistor R7 and the inductor L1 are grounded in parallel, and the other end of the capacitor C5 is connected with the controller.
The utility model discloses when specifically using, carry out real-time detection through the material of weighing sensor in to the feed bin to at first send into band-pass filter circuit with detected signal and handle. The operational amplifier AR1 forms band-pass filter with outlying second order RC filter network among the band-pass filter circuit, utilizes the output signal of band-pass filter principle symmetric retransmission sensor to amplify the filtering, and its central frequency is the same with weighing sensor's output signal frequency to can filter external clutter interference well, promote the precision of weighing the detection. The output signal of the operational amplifier AR1 is sent into an LC filter circuit for further noise reduction, wherein an LC parallel resonance filter is formed by an inductor L1 and a capacitor C4 to further accurately select the frequency of the output signal of the operational amplifier AR1, the signal transmission precision is greatly improved, a resistor R6 and a resistor R7 apply bias to the signal after LC filtering by using a series voltage division principle, the effect of stabilizing a static working point is achieved, and finally the signal is sent to a PLC control module after being coupled by a capacitor C5. The PLC control module calculates and processes the received signal waveform by using the existing data analysis technology, so that the real-time weight of the materials in the feed bin is obtained. When the blanking amount in the storage bin reaches a system set value, the controller sends out a driving signal to control the blanking control valve to be closed, so that the blanking is stopped.
To sum up, the utility model discloses degree of automation is high, can effectively reduce the labour, makes the plug-in components terminal production of moulding plastics simple high-efficient more, just the utility model discloses the symmetry detects signal processing ability reinforce, and material weight detects accurate reliable, effectively eliminates system error, promotes plug-in components terminal production quality.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides an insert terminal injection moulding production unloading automatic control device, includes the feed bin, and the feed bin bottom sets up the detecting element that weighs, and the discharge gate of feed bin sets up unloading control valve, its characterized in that: the weighing detection unit comprises a weighing sensor, a detection signal of the weighing sensor is processed by a band-pass filter circuit and an LC filter circuit and then is sent into a controller, and the output end of the controller is connected with the control end of the blanking control valve.
2. The automatic blanking control device for the injection molding production of the plug-in terminals according to claim 1, characterized in that: the band-pass filter circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with one ends of a resistor R3 and a capacitor C2, the other end of the resistor R3 is connected with one ends of a resistor R2 and a capacitor C3, the other end of the resistor R2 is connected with one ends of a resistor R1 and a capacitor C1 and the signal output end of the weighing sensor, the other end of the resistor R1 is connected with a +5V power supply, the other ends of the capacitors C1 and C2 are grounded in parallel, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4, and the output end of the operational amplifier AR1 is connected with the other ends of a resistor R4 and a capacitor C3.
3. The automatic blanking control device for the injection molding production of the plug-in unit terminal according to claim 2, characterized in that: the LC filter circuit comprises an inductor L1, one end of an inductor L1 is connected with one end of a capacitor C4 and is connected with the output end of an operational amplifier AR1 through a resistor R5, the other end of the capacitor C4 is connected with one ends of resistors R6, R7 and the capacitor C5, the other end of a resistor R6 is connected with a +5V power supply, the other ends of the resistor R7 and the inductor L1 are grounded in parallel, and the other end of the capacitor C5 is connected with the controller.
4. The automatic blanking control device for the injection molding production of the plug-in terminals according to claim 3, characterized in that: the controller adopts a PLC control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074168.7U CN214082530U (en) | 2020-12-19 | 2020-12-19 | Automatic control device for blanking in injection molding production of plug-in terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074168.7U CN214082530U (en) | 2020-12-19 | 2020-12-19 | Automatic control device for blanking in injection molding production of plug-in terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214082530U true CN214082530U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023074168.7U Active CN214082530U (en) | 2020-12-19 | 2020-12-19 | Automatic control device for blanking in injection molding production of plug-in terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214082530U (en) |
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2020
- 2020-12-19 CN CN202023074168.7U patent/CN214082530U/en active Active
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