CN212400273U - Mould trouble early warning system - Google Patents
Mould trouble early warning system Download PDFInfo
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- CN212400273U CN212400273U CN202020223362.8U CN202020223362U CN212400273U CN 212400273 U CN212400273 U CN 212400273U CN 202020223362 U CN202020223362 U CN 202020223362U CN 212400273 U CN212400273 U CN 212400273U
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Abstract
The utility model relates to a mould trouble early warning system, including liftout plate and ejector pin, still including the pressure measurement device who is used for detecting liftout plate ejecting pressure and the pressure that resets in ejecting and the reset process, pressure measurement device is connected with the treater, the treater is connected with alarm control module, the treater carries out the processing analysis and judges whether satisfy the malfunction alerting condition to the pressure data that pressure measurement device detected, triggers alarm control module action when satisfying the warning condition. The utility model discloses can in time detect the mould trouble, avoid causing the mould damage, make things convenient for mould operating personnel and maintainer to master the mould trouble condition and in time overhaul the maintenance simultaneously, improve mould life.
Description
Technical Field
The utility model relates to a mould check out test set, in particular to mould trouble early warning system.
Background
At present, an injection mold is widely applied to production of articles for daily use, electronic products and automobile decorating parts, and the quality of the running condition of the injection mold directly influences the quality and the working efficiency of an injection molding workpiece.
Most moulds only install travel switch at present stage for the motion position of monitoring liftout plate in production and trial-manufacture process, but then do not detect the pressure to each liftout point of liftout plate, consequently, whether balanced the pressure of each liftout point of liftout plate can not in time detect and obtain, can not in time report to the police and control the mould stop action when making the mould break down, cause the mould damage, the mould need frequently demolish the mould in process of production and overhaul, direct influence the life of mould and the quality of mould goods.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides one kind and can in time acquire mould pressure information to but in time control mould action when pressure appears unusually, avoid causing the mould damage, improve mould life's mould trouble early warning system.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a mould trouble early warning system, includes liftout plate and ejector pin, still includes the pressure measurement device who is used for detecting liftout plate ejecting pressure and the pressure that resets at ejecting and the in-process that resets, pressure measurement device is connected with the treater, the treater is connected with alarm control module, the treater carries out processing analysis and judges whether satisfy the malfunction alerting condition to the pressure data that pressure measurement device detected, triggers alarm control module action when satisfying the malfunction alerting condition.
Further, the pressure detection device is arranged at one or more ejection point positions where the ejector rod is contacted with the ejection plate when ejected, and the ejector rod is contacted with the pressure detection device and detects the ejection pressure and the reset pressure when ejected.
Further, the pressure detection device is fixed on the ejection plate through screws.
Further, the pressure detection device is arranged in one or more oil passages of the mold ejection mechanism and used for detecting oil pressure of the oil passages in the ejection and reset processes, and the processor calculates the ejection pressure and the reset pressure according to the detected oil pressure.
Further, the alarm control module comprises an alarm and/or a control module, the alarm is used for giving an alarm, and the control module is used for controlling the die to stop acting.
Further, a standard ejection pressure Pds and a standard reset pressure Pfs for each ejection point are prestored in the processor, and the ejection pressure Pd and the reset pressure Pf detected by the pressure detection means are judged to reach an alarm condition if they exceed the ranges of the standard ejection pressure Pds ± Δ Pd and the standard reset pressure Pfs ± Δ Pf;
and/or, a standard pressure difference deltaPs between a plurality of ejecting points is prestored in the processor, and if the difference value between the ejecting pressure Pd and the reset pressure Pf of each ejecting point detected by the pressure detection device exceeds the range of the standard pressure difference deltaPs, the alarm condition is judged to be reached.
Further, the standard ejection pressure Pds and the standard reset pressure Pfs are one or more, and are standard pressure values corresponding to one or more set time points in the ejection process and the reset process.
Further, the standard ejection pressure Pds and the standard return pressure Pfs are a pressure-time curve of ejection pressure with time and a pressure-time curve of return pressure with time.
Further, the processor is connected with a display and/or a cloud end and used for displaying ejection pressure Pd and reset pressure Pf of an ejector rod of the pressure detection device during ejection and reset in real time.
To sum up, a mould trouble early warning system, can directly and detect out the ejecting pressure and the pressure that resets of each ejecting point in real time through pressure detection device to can in time report to the police and control the mould stop motion when ejecting pressure and the pressure that resets appear unusually, avoid causing the mould damage, make things convenient for mould operating personnel and maintainer to master the mould particular case simultaneously, better maintenance and use mould improve mould life.
Drawings
FIG. 1 is a structural diagram of the fault early warning system of the present invention;
FIG. 2 is a schematic view of the mold structure of the present invention;
fig. 3 is a structural view of the installation of the pressure sensor of the present invention.
As shown in fig. 1 to 3, the ejection plate 1, the ejector rod 2, the bottom plate 3, the movable die plate 4, the return spring 5, the pressure detection device 6, the pressure sensor 6a, the processor 7, the alarm control module 8, the display 9, the cloud 10, the alarm 11, the control module 12, the ejection point 13, and the screw 14.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the first embodiment is as follows:
as shown in fig. 1, the utility model provides a mould trouble early warning system, mould include ejector plate 1, ejector pin 2, bottom plate 3, movable mould board 4, fixed die plate (not shown). Wherein, the liftout plate 1 is installed on the movable mould board 4, and installs the reset spring 5 that the liftout plate 1 resets between liftout plate 1 and movable mould board 4, and the one end of ejector pin 2 is connected on the fixed mould board. When the ejector plate 1 needs to be ejected to take out a product after injection molding is finished, the ejector rod 1 is controlled to extend out, the ejector plate 1 is ejected to move to one side, after the product is taken out, the ejecting force of the ejector rod 2 is cancelled, and the ejector plate 1 moves back under the action of the reset spring 5 to realize reset.
As shown in fig. 2, the mold fault early warning system further includes a pressure detection device 6, a processor 7, an alarm control module 8 and a display 9. The display 9 is used for displaying pressure detection data in real time, so that an operator can know the running state of the mold in real time. The processor 7 can also be connected with the cloud end 10, the operation condition in the production process of the die is displayed through the cloud end 10, the data transmitted by the processor 7 is displayed, the operation condition of the die can be remotely known by an operator in real time, and the die can be maintained and maintained in time.
The pressure detection device 6 is used for detecting ejection pressure and reset pressure of the ejection plate 1 in the ejection and reset processes, the pressure detection device 6 is connected with the processor 7, the processor 7 is connected with the alarm control module 8, the processor 7 processes and analyzes pressure data detected by the pressure detection device 6 and judges whether alarm conditions are met, and the alarm control module 8 is triggered to act when the alarm conditions are met. The alarm control module 8 comprises an alarm 11 and/or a control module 12, the alarm 11 is used for giving an alarm, can give an alarm by sound, can give an alarm by an indicator light, and can also directly display alarm information on the display 9, and the control module 12 is used for controlling the die to stop acting so as to avoid the die from being damaged.
In the present embodiment, as shown in fig. 1 and fig. 2, the pressure detecting device 6 employs a pressure sensor 6a, and the point where the ejector rod 2 contacts the ejector plate 1 during ejection is an ejection point 13, in the present embodiment, four ejector rods 2 are mounted on the mold as an example, four ejection points 13 are correspondingly mounted on the ejector plate 1, and one pressure sensor 6a is mounted at each ejection point 13. As shown in fig. 3, the pressure sensor 6a is fixed to the knock-out plate 1 by screws 14.
The ejector rod 2 is in direct contact with the corresponding pressure sensor 6a during ejection, and the pressure sensor 6a detects the ejection pressure at the ejection point 13. During the resetting, the pressure sensor 6a of each ejection point 13 is still connected to the corresponding ejector rod 2 due to the action of the return spring 5, and the pressure sensor 6a detects the resetting pressure of the ejection point 13. The detected ejection pressure and return pressure are displayed in real time on the display 9 or the cloud 10.
The method comprises the steps that standard ejection pressure Pds and standard reset pressure Pfs are prestored in a processor 7, the position of each ejection point 13 is provided with the standard ejection pressure Pds and the standard reset pressure Pfs which belong to the position of the ejection point 13, the pressure sensor 6a of each ejection point 13 sends the detected ejection pressure Pd and the detected reset pressure Pf to the processor 7, the processor 7 compares actual pressure values detected by each ejection point 13 with the prestored standard pressure values of the ejection points 13, if the actual pressure values exceed the ranges of the standard ejection pressure Pds +/-Delta Pd and the standard reset pressure Pfs +/-Delta Pf, the alarm condition is judged to be reached, the fact that the mold has a fault is proved, the mold needs to be overhauled, an alarm control module 8 is triggered by the processor 7 to send alarm information, the mold is controlled to stop operating, and meanwhile, abnormal information is recorded by the processor 10.
In this embodiment, the standard ejection pressure Pds and the standard reset pressure Pfs are obtained by detecting pressure information during the ejection and reset of the mold when the mold is in normal operation. Preferably, the standard ejection pressure Pds and the standard reset pressure Pfs are pressure-time curves, i.e., a pressure-time curve of the ejection pressure with time and a pressure-time curve of the reset pressure with time, which are stored in the processor 7 as standards. In the actual production process, the curves of the actually detected pressure changes along with the time in the ejection process and the resetting process are compared with the corresponding standard pressure curves. Of course, the standard ejection pressure Pds and the standard reset pressure Pfs may be pressure values at one or several fixed time points, which are stored in the processor 7 as a standard. During the actual production process, the actual detected pressure value at one or more selected fixed time points is compared with the corresponding standard pressure value.
When the mold works normally, the ejection pressure and the reset pressure at the four ejection points 13 are balanced, when the mold breaks down, all the vertexes 13 may be abnormal, or one or more of the vertexes 13 may be abnormal, the pressure sensors 6a are installed at the positions of the four ejection points 13 to respectively detect the ejection pressure and the reset pressure at each ejection point 13 and respectively judge the pressure at the positions of the four ejection points 13, whether the ejection pressures are balanced is found through comparison, and if the ejection pressures are unbalanced, the action is stopped in time and a worker is reminded to maintain in time. The intelligent detection device is favorable for more comprehensively detecting the faults of the die, can give an alarm in time no matter what kind of faults occur to the die, and is convenient for die operators and maintainers to master the specific conditions of the die and maintain and use the die better.
The utility model also discloses a mould trouble early warning method.
The ejection process comprises the following steps:
A. the four ejector rods 2 extend outwards to be in contact with four corresponding pressure sensors 6a on the ejector plate 1 respectively, and the four pressure sensors 6a detect ejection pressures Pd of the ejection points 13 in the ejection process respectively.
B. The processor 7 receives the detected ejection pressure Pd, compares the detected ejection pressure Pd with a pressure-time curve of the standard ejection pressure Pds prestored in the processor 7 along with the change of time, and judges that an alarm condition is reached when the actual detected value exceeds the range of the standard ejection pressure Pds plus or minus delta Pd, namely, the mould is determined to have a fault at the moment.
C. After the alarm condition is met, the alarm control module 8 is triggered to act, the alarm 11 is controlled to give an alarm, related personnel are informed of timely maintenance, the control module 12 is used for controlling the die to stop acting, the die is prevented from being damaged, and meanwhile the cloud 10 records abnormal information.
The reset process comprises the following steps:
A. when the ejection process is finished and reset is started, the four pressure sensors 6a still contact the ejector rod 2 under the action of the reset spring 5, and the four pressure sensors 6a respectively detect reset pressures Pf at the positions of the four ejection points 13.
B. The processor 7 receives the detected reset pressure Pf, compares the detected reset pressure Pf with a pressure-time curve of the standard reset pressure Pfs changing with time, which is prestored in the processor 7, and determines that the alarm condition is reached when the actual detected value exceeds the range of the standard ejection pressure Pfs +/- Δ Pf.
C. After the alarm condition is met, the alarm control module 8 is triggered to act, the alarm 11 is controlled to give an alarm, related personnel are informed of timely maintenance, the control module 12 is used for controlling the die to stop acting, the die is prevented from being damaged, and meanwhile the cloud 10 records abnormal information.
The utility model discloses a pressure measurement device 6 can directly and detect out ejection pressure Pd and the pressure Pf that resets of each ejection point 13 in real time to can in time report to the police and control the mould stop motion when ejection pressure Pd and the pressure Pf that resets appear unusually, avoid causing the mould damage, make things convenient for mould operating personnel and maintainer to master the mould particular case simultaneously, better maintenance and use mould improve mould life.
Example two:
the difference from the first embodiment is that the pressure detection device 6 is installed in an oil path of the mold ejection mechanism and used for detecting oil pressure of the oil path in the ejection and reset processes of the ejector rod 2, the processor 7 calculates the ejection pressure Pd and the reset pressure Pf of each ejection point 13 according to the detected oil pressure, the processor 7 compares actual pressure values detected by each ejection point 13 with pre-stored standard pressure values of the ejection point 13, if the actual pressure values exceed the ranges of the standard ejection pressure Pds +/- Δ Pd and the standard reset pressure Pfs +/- Δ Pf, it is determined that alarm conditions are met, it is proved that the mold has a fault and needs to be repaired, the processor 7 triggers the alarm control module 8 to send alarm information and control the mold to stop operating, and the cloud 10 records abnormal information.
When the mold normally works, the oil pressure in the ejection mechanism is detected, the calculated ejection pressure Pd and the calculated reset pressure Pf are used as the standard ejection pressure Pds and the standard reset pressure Pfs, and a standard pressure curve of the ejection pressure and the reset pressure along with the change of time is drawn according to the standard ejection pressure Pds and the standard reset pressure Pfs.
Example three:
a difference from the first embodiment is that a standard pressure difference Δ Ps between the four ejection points 13 is pre-stored in the processor 7, and Δ Ps may be equal to 0 or may be a value greater than 0. When the mold is in normal operation, the pressures between the four ejection points 13 should be equal, that is, Δ Ps is equal to 0, and the difference between the ejection pressure Pd and the reset pressure Pf of each ejection point detected by the pressure detection device exceeds the range of the standard pressure difference Δ Ps, that is, the pressures between the four ejection points 13 are not balanced any more, and even exceeds the range of the allowable standard pressure difference Δ Ps, that is, it is determined that the alarm condition is reached.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a mould trouble early warning system, includes ejector plate and ejector pin, its characterized in that: the pressure detection device is used for detecting ejection pressure and reset pressure of the ejection plate in the ejection and reset processes, the pressure detection device is connected with the processor, the processor is connected with the alarm control module, the processor processes and analyzes pressure data detected by the pressure detection device and judges whether fault alarm conditions are met, and the alarm control module is triggered to act when the alarm conditions are met.
2. The mold fault warning system according to claim 1, wherein: the pressure detection device is arranged at one or more ejection point positions which are contacted with the ejection plate when the ejector rod is ejected, and the ejector rod is contacted with the pressure detection device and detects the ejection pressure and the reset pressure when the ejector rod is ejected.
3. The mold fault warning system according to claim 1, wherein: the pressure detection device is fixed on the ejection plate through screws.
4. The mold fault warning system according to claim 1, wherein: the pressure detection device is arranged in one or more oil passages of the mold ejection mechanism and used for detecting the oil pressure of the oil passages in the ejection and reset processes, and the processor calculates the ejection pressure and the reset pressure according to the detected oil pressure.
5. The mold fault warning system according to claim 1, wherein: the alarm control module comprises an alarm and/or a control module, the alarm is used for giving an alarm, and the control module is used for controlling the die to stop acting.
6. The mold fault warning system according to claim 1, wherein: a standard ejection pressure Pds and a standard reset pressure Pfs for each ejection point are prestored in the processor, and if the ejection pressure Pd and the reset pressure Pf detected by the pressure detection device exceed the ranges of the standard ejection pressure Pds + -. DELTA Pd and the standard reset pressure Pfs + -. DELTA Pf, the processor determines that an alarm condition is met;
and/or, a standard pressure difference deltaPs between a plurality of ejecting points is prestored in the processor, and if the difference value between the ejecting pressure Pd and the reset pressure Pf of each ejecting point detected by the pressure detection device exceeds the range of the standard pressure difference deltaPs, the alarm condition is judged to be reached.
7. The mold fault warning system according to claim 6, wherein: the standard ejection pressure Pds and the standard reset pressure Pfs are one or more and are standard pressure values corresponding to one or more set time points in the ejection process and the reset process.
8. The mold fault warning system according to claim 6, wherein: the standard ejection pressure Pds and the standard reset pressure Pfs are a pressure-time curve of the ejection pressure with time and a pressure-time curve of the reset pressure with time.
9. The mold fault warning system according to claim 1, wherein: the processor is connected with a display and/or a cloud end and is used for displaying ejection pressure Pd and reset pressure Pf of an ejector rod of the pressure detection device in real time during ejection and reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223362.8U CN212400273U (en) | 2020-02-28 | 2020-02-28 | Mould trouble early warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223362.8U CN212400273U (en) | 2020-02-28 | 2020-02-28 | Mould trouble early warning system |
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| CN212400273U true CN212400273U (en) | 2021-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427731A (en) * | 2021-06-24 | 2021-09-24 | 广州中和互联网技术有限公司 | Injection molding machine mold detection system and method based on machine vision |
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2020
- 2020-02-28 CN CN202020223362.8U patent/CN212400273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427731A (en) * | 2021-06-24 | 2021-09-24 | 广州中和互联网技术有限公司 | Injection molding machine mold detection system and method based on machine vision |
| CN113427731B (en) * | 2021-06-24 | 2022-09-20 | 广州中和互联网技术有限公司 | Injection molding machine mold detection system and method based on machine vision |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: Kaos Mold (Qingdao) Co.,Ltd. Patentee after: Karos IoT Technology Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: Qingdao Haier Molds Co.,Ltd. Patentee before: Haier CAOS IOT Ecological Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |