CN202824595U - Casting machine automatic adjusting mould control system - Google Patents
Casting machine automatic adjusting mould control system Download PDFInfo
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- CN202824595U CN202824595U CN201220479532.4U CN201220479532U CN202824595U CN 202824595 U CN202824595 U CN 202824595U CN 201220479532 U CN201220479532 U CN 201220479532U CN 202824595 U CN202824595 U CN 202824595U
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- adjusting mould
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Abstract
The utility model relates to a casting machine automatic adjusting mould control system. The casting machine automatic adjusting mould control system comprises a programmable controller, an adjusting mould electric eye sensor, a mould locking and unlocking electric ruler and a clamping force tester, wherein the claming force tester is installed at the end of a Drag link to collect locked mould force signals of the Drag link. The adjusting mould electric eye sensor is used for collecting the number of adjusting mould pulse signals and controlling the moving distance of a middle plate. The programmable controller processes the signals which are collected by the clamping mould force sensor and the adjusting mould electric eye sensor and sends corresponding control signals to enable a casting machine to adjust mould automatically. Due to the fact that the clamping force tester directly tests the locked force at the end of the Drag link, blindness of automatic adjusting mould and disadvantage of various operations are avoided. The casting machine automatic adjusting mould control system directly controls and calculates the clamping force which is collected by the clamping force tester and presupposed clamping force objects in a closed loop, controls the number of the adjusting mould pulse according to the calculated result, and then controls automatic adjusting mould of the casting machine. The casting machine automatic adjusting mould control system is simple in the whole operation, short in needed time, high in degree of automation and stable and reliable in adjusting mould effect.
Description
Technical field
The utility model relates to the automatic mold-adjustment control system, more particularly, relates to a kind of automatic mold-adjustment control system of die casting machine.
Background technology
Adjusting device is part very important in the die casting machine structure.At present, the hydraulically powered mould adjusting mechanism of the many employings of traditional die casting machine both at home and abroad, namely the mode transfer hydraulic motor of machine rotates, and die casting machine tailgate and middle plate are moved together, thereby adjusts the width of installation mold, and confirms the rear clamp force that obtains setting at locked mode.
The mode transfer motion is that die casting machine is finished the necessary step of extrusion process, after giving die casting machine more mold exchange or the residing environment of machine (such as temperature) change, need to carry out the mode transfer action, but when using manual mode transfer operation, even also being tool, experienced adjustor bears the character of much blindness, also can only carry out by rule of thumb the thin or thick action of mould of mould, and the clamp force desired value of manually being transferred to setting also needs many times lock die sinking action and mode transfer action, if under and the situation that the mode transfer flow is larger large at mold thickness, hit easily the dangerous plays such as mould, cause the infringement of mould.
This shows, develop and a kind ofly novel be used for fast that simple and reliable automatic mold-adjustment control system is necessary.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, provides a kind of die casting machine automatic mold-adjustment control system and method.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of die casting machine automatic mold-adjustment control system, described die casting machine comprises lock die-sinking device and adjusting device, described oil pump and pressure flow proportioning valve, described mode transfer electronic eye response device, lock die sinking electronic ruler, described lock die sinking oil cylinder and described hydraulic motor; Described automatic mold-adjustment control system comprises Programmable Logic Controller and is used for gathering the tester of clamp force signal, wherein, described clamp force tester is arranged on the end of described brother woods post, and described Programmable Logic Controller is electrically connected with oil pump and proportioning valve, mode transfer pulser and clamp force tester respectively.
In die casting machine automatic mold-adjustment control system described in the utility model, described Programmable Logic Controller is built-in with analog module (21).
In die casting machine automatic mold-adjustment control system described in the utility model, described Programmable Logic Controller also is electrically connected with the input equipment of described die casting machine.
In die casting machine automatic mold-adjustment control system described in the utility model, described input equipment is touch panel.
In die casting machine automatic mold-adjustment control system described in the utility model, between described Programmable Logic Controller and hydraulic motor, be provided with oil pump and pressure flow proportioning valve; Described Programmable Logic Controller is electrically connected with described oil pump and pressure flow proportioning valve, described oil pump and pressure flow proportioning valve and described lock die sinking oil cylinder are in transmission connection, described lock die sinking oil cylinder is in transmission connection with the lock die-sinking device, described oil pump and pressure flow proportioning valve are connected with described hydraulic motor transmission, and described hydraulic motor and adjusting device are in transmission connection.
Implement die casting machine automatic mold-adjustment control system of the present utility model, have following beneficial effect: directly in brother woods post end point detection clamp force, avoided the blindness of manual mode transfer by the clamp force tester, operated various shortcoming; Directly the clamp force of clamp force tester collection being carried out closed-loop control with default clamp force desired value calculates, and according to result of calculation control mode transfer pulse number, thereby can make the die casting machine automatic mold-adjustment, whole process operation is simple, required time is short, automaticity is high, and the mode transfer effect stability is reliable.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model die casting machine;
Fig. 2 is the theory diagram of the utility model die casting machine automatic mold-adjustment control system;
Fig. 3 is the flow chart of the utility model die casting machine automatic mold-adjustment control method;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, die casting machine automatic mold-adjustment control system of the present utility model mainly is to carry out automatic mold-adjustment control for the mode transfer to die casting machine.Understandable this automatic mold-adjustment control system both can be the part of die casting machine, also can as required with the alternative function of this automatic mold-adjustment control system as die casting machine, not do further restriction at this.
As depicted in figs. 1 and 2, this die casting machine comprises input equipment (1), Programmable Logic Controller (2), oil pump and pressure flow proportioning valve (3), lock die sinking oil cylinder (4), lock die-sinking device (5) comprises crosshead (51), machine hinge (52) and middle plate (53), hydraulic motor (6), adjusting device (7), checkout gear (8) comprises lock die sinking electronic ruler (81), clamp force tester (82) and mode transfer electronic eye response device (83); Wherein oil pump and pressure flow proportioning valve (3) are in transmission connection with lock die sinking oil cylinder (4), Mode-locking oil cylinder (4) is in transmission connection with lock die-sinking device (6), oil pump and pressure flow proportioning valve (3) are in transmission connection with mode transfer hydraulic motor (6), and mode transfer hydraulic motor (6) is in transmission connection with adjusting device.Programmable Logic Controller (2) is electrically connected with input equipment (1), oil pump and pressure flow proportioning valve (3), lock die sinking electronic ruler (81) and clamp force detector (82) and mode transfer electronic eye response device (83) respectively.Should be noted that the annexation between each equipment is the needs of explaining its information interaction and control procedure for clear in all diagrams of the utility model, therefore should be considered as annexation in logic, and should not only limit to physical connection.
When specific works, clamp force tester (82) is installed in die casting machine taxi driver brother woods post end and directly the clamp force signal is gathered, and the clamp force signal that collects is carried out carrying out the closed-loop control computing with default clamp force desired value after the A/D conversion.The automatic mold-adjustment control system with Programmable Logic Controller (2) as core parts, and through the serial paralled interface the transmission of data, upward data are carried out Real-Time Monitoring at input equipment (1), shorten the response time of whole system, improved the control accuracy of the key parameters such as position in the mode transfer process, pressure, flow.
By the input equipment (1) of die casting machine, understandable, this input equipment (1) can be the device that touch panel or touch-screen etc. have input/output function simultaneously.When this input equipment (1) when being touch-screen, set the process parameter value of clamp force desired value and mode transfer and lock die sinking stages at this touch-screen, for example, the pressure of mode transfer stages, speed and location parameter value.Simultaneously relevant numerical value is sent in the Programmable Logic Controller (2).In addition, high-precision clamp force tester detect (82) to the clamp force signal can directly send to Programmable Logic Controller (2), also can add again an analog input module (21), thereby send to first this signal pickup assembly, further send to again Programmable Logic Controller (2) through the data after the A/D conversion.In Programmable Logic Controller (2), clamp force signal and the default clamp force desired value that obtains compared, obtain deviation signal, again the relation of deviation signal and mode transfer umber of pulse is calculated, to calculate the pulse number that mode transfer will produce at last, Programmable Logic Controller (2) sends proportioning valve with the data transaction analog signal that the various stages need to use in the mode transfer, the aperture of control ratio valve (3), thereby the responsiveness of control lock die-sinking device (5) or adjusting device (7) is to realize the accurate control of clamp force in the mode transfer process.
In this automatic mold-adjustment control system, lock die sinking number of times only needs 2～3 times, and the time is also only within 2 minutes.This shows, greatly reduce mode transfer and move needed time and number of operations.This automatic mold-adjustment control system can realize the closed-loop control to mode transfer, has also guaranteed the clamp force control accuracy simultaneously, and whole process is simple and reliable fast.
With this automatic mold-adjustment control system to die casting machine, and carry out great many of experiments comparative study, adopt clamp force tester (82) directly to gather the clamp force of brother woods post end, clamp force measured value after final mode transfer is finished is within target range, greatly having improved mode transfer speed, is a kind of fast and reliable automatic mold-adjustment closed-loop control system for die casting machine.
The flow process of die casting machine automatic mold-adjustment control method as shown in Figure 3 specifically may further comprise the steps:
S301: automatic mold-adjustment starts for the first time, carries out at a slow speed locked mode with lower flow.
S302: according to lock die sinking electronic ruler and external input signal, judging mold thickness, is that mould is thin or mould is thick.
S303: the judged result according to S302 is moved accordingly, and two die surfaces are adjacent to;
S304: when die face is adjacent to, gather clamp force tester (82) signal, and compare with the clamp force desired value, Programmable Logic Controller (2) is processed data, obtains the required umber of pulse of walking about of mode transfer (being mode transfer pulse setting value).Simultaneously, mark mode transfer type, have that clamp force is excessive, clamp force is too small (mould is thin) and clamp force too small (mould is thick) three types,, obtain the mode transfer pulse by clamp force with mode transfer pulse relation and set value in excessive and clamp force too small (mould the is thin) situation in clamp force; And in clamp force too small (mould is thick) situation, obtain mode transfer pulse setting value by crosshead and middle plate displacement functional relation and middle plate displacement and mode transfer pulse relation.
S305: die sinking is to the distance of setting;
S306: die sinking is carried out the mode transfer action according to mode transfer type and the needs mode transfer pulse setting value of sign behind setpoint distance;
S307: after mode transfer is finished, carry out the locked mode action.；
S308: behind the locked mode, carry out second time clamp force and detect and compare with desired value, if not in the scope of setting, then turn back to the second step mode transfer that circulates, until detect clamp force in normal clamp force scope; When clamp force when reaching target range, machine carries out automatic die sinking, and the prompting automatic mold-adjustment finish.
In the automatic mold-adjustment process, the control of proportioning valve flow is quite important, directly affects the automatic mold-adjustment success.According to the variation of mode transfer pulse currency, need to process the mode transfer flow, realized the real-time control of flow and stability and the reaction flexibility of system's long-time running.
Under clamp force too small (mould is thick) situation, mode transfer pulse setting value functional relation is as follows:
y□f(x)
Mode transfer pulse setting value is:
n□f(y)
Wherein: the distance of the required movement of plate among the y-;
The positional value of die sinking electronic ruler is namely locked in the residing position of x-crosshead;
N-mode transfer pulse setting value;
In excessive or clamp force is too small (mould the is thin) situation, the functional relation of mode transfer pulse setting value is as follows in clamp force:
n□f(t)
Wherein: n-mode transfer pulse setting value;
T-clamp force measured value;
The utility model describes by several specific embodiments, it will be appreciated by those skilled in the art that, in the situation that does not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, for particular condition or concrete condition, can make various modifications to the utility model, and not break away from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall in the utility model claim scope.
Claims (5)
1. die casting machine automatic mold-adjustment control system, described die casting machine comprises lock die-sinking device, adjusting device, described oil pump and pressure flow proportioning valve, described mode transfer electronic eye response device, lock die sinking electronic ruler, described lock die sinking oil cylinder and described hydraulic motor, it is characterized in that, described automatic mold-adjustment control system comprises Programmable Logic Controller and is used for gathering the tester of clamp force signal, wherein, described clamp force tester is arranged on the end of described brother woods post, and described Programmable Logic Controller is electrically connected with oil pump and proportioning valve, mode transfer pulser and clamp force tester respectively.
2. described die casting machine automatic mold-adjustment control system according to claim 1 is characterized in that described Programmable Logic Controller is built-in with analog module.
3. described die casting machine automatic mold-adjustment control system according to claim 1 is characterized in that described Programmable Logic Controller also is electrically connected with the input equipment of described die casting machine.
4. described die casting machine automatic mold-adjustment control system according to claim 3 is characterized in that described input equipment is touch panel.
5. described die casting machine automatic mold-adjustment control system according to claim 1, it is characterized in that, between described Programmable Logic Controller and hydraulic motor, be provided with oil pump and pressure flow proportioning valve, described Programmable Logic Controller is electrically connected with described oil pump and pressure flow proportioning valve, described oil pump and pressure flow proportioning valve and described lock die sinking oil cylinder are in transmission connection, described lock die sinking oil cylinder is in transmission connection with the lock die-sinking device, described oil pump and pressure flow proportioning valve are connected with described hydraulic motor transmission, and described hydraulic motor and adjusting device are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479532.4U CN202824595U (en) | 2012-09-18 | 2012-09-18 | Casting machine automatic adjusting mould control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479532.4U CN202824595U (en) | 2012-09-18 | 2012-09-18 | Casting machine automatic adjusting mould control system |
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| CN202824595U true CN202824595U (en) | 2013-03-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794429A (en) * | 2012-08-08 | 2012-11-28 | 宁波横河模具有限公司 | Die ejection system and motor core rotor aluminum die-casting die using same |
| CN104117655A (en) * | 2014-07-22 | 2014-10-29 | 深圳领威科技有限公司 | Intelligent die regulating method of die-casting machine and one-key die regulating system |
| CN108115107A (en) * | 2017-12-20 | 2018-06-05 | 重庆家本家科技有限公司 | Refrigerator die casting machine |
| CN109632172A (en) * | 2018-12-03 | 2019-04-16 | 宁波铝台精机有限公司 | A kind of mould of die casting machine center stressed deviation ratio detection system and method |
| CN115319055A (en) * | 2022-08-22 | 2022-11-11 | 深圳领威科技有限公司 | Switching nut closing detection device and method, die casting machine and storage medium |
-
2012
- 2012-09-18 CN CN201220479532.4U patent/CN202824595U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794429A (en) * | 2012-08-08 | 2012-11-28 | 宁波横河模具有限公司 | Die ejection system and motor core rotor aluminum die-casting die using same |
| CN102794429B (en) * | 2012-08-08 | 2015-08-26 | 宁波横河模具股份有限公司 | Die ejection system and adopt the motor iron core rotor aluminum die casting of this ejection system |
| CN104117655A (en) * | 2014-07-22 | 2014-10-29 | 深圳领威科技有限公司 | Intelligent die regulating method of die-casting machine and one-key die regulating system |
| CN104117655B (en) * | 2014-07-22 | 2016-01-27 | 深圳领威科技有限公司 | A kind of die casting machine intelligence method for adjusting mould and a key mode transfer system |
| CN108115107A (en) * | 2017-12-20 | 2018-06-05 | 重庆家本家科技有限公司 | Refrigerator die casting machine |
| CN109632172A (en) * | 2018-12-03 | 2019-04-16 | 宁波铝台精机有限公司 | A kind of mould of die casting machine center stressed deviation ratio detection system and method |
| CN115319055A (en) * | 2022-08-22 | 2022-11-11 | 深圳领威科技有限公司 | Switching nut closing detection device and method, die casting machine and storage medium |
| CN115319055B (en) * | 2022-08-22 | 2023-06-30 | 深圳领威科技有限公司 | Device and method for detecting closing of opening and closing nut, die casting machine and storage medium |
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Granted publication date: 20130327 |