CN114889076A - Injection molding visualization method and device, computer equipment and storage medium - Google Patents
Injection molding visualization method and device, computer equipment and storage medium Download PDFInfo
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- CN114889076A CN114889076A CN202210413453.1A CN202210413453A CN114889076A CN 114889076 A CN114889076 A CN 114889076A CN 202210413453 A CN202210413453 A CN 202210413453A CN 114889076 A CN114889076 A CN 114889076A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 157
- 238000003860 storage Methods 0.000 title claims description 12
- 238000007794 visualization technique Methods 0.000 title claims description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 299
- 239000012530 fluid Substances 0.000 claims abstract description 130
- 238000000034 method Methods 0.000 claims abstract description 38
- 229920003023 plastic Polymers 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 238000004590 computer program Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 description 49
- 239000007924 injection Substances 0.000 description 49
- 239000003292 glue Substances 0.000 description 32
- 238000001514 detection method Methods 0.000 description 13
- 238000012800 visualization Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 6
- 239000013598 vector Substances 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/7618—Injection unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76297—Fluids
Abstract
The application provides a visual method of moulding plastics, the method is applicable to the system of moulding plastics, the system of moulding plastics is provided with flow front edge monitoring node, valve runner monitoring node and V/P and switches monitoring node, includes: acquiring position information of a flow front monitoring node, position information of a valve gate monitoring node and position information of a V/P switching monitoring node; establishing a flow path of a flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node; generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
Description
Technical Field
The present application relates to the field of injection molding, and in particular, to an injection molding visualization method and apparatus, a computer device, and a storage medium.
Background
At present, with the development of plastic technology and the wide application of engineering plastics, plastic products increasingly appear in the production and life of people, and the requirements on the manufacturing technology, precision and the like of injection molding equipment are higher and higher, and the requirements on an injection molding production management system are higher and higher accordingly.
At present, in a production site of plastic products, an injection molding machine is generally controlled to produce according to a set working program through a control panel installed on the injection molding machine, and the operation flow of auxiliary equipment of the injection molding machine is managed through actual experience of an operator. Production is monitored manually, labor cost is increased, requirements on operators are high, and production cannot be intuitively duplicated.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an injection molding visualization method, an injection visualization apparatus, a storage medium, and a storage device capable of visualizing an injection molding process.
In a first aspect, the present invention provides an injection molding visualization method, the method is applicable to an injection molding system, the injection molding system is provided with a flow front monitoring node, a valve gate monitoring node and a V/P switching monitoring node, and the method comprises:
acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
In a second aspect, the present invention provides an injection molding visualization apparatus, the apparatus is suitable for an injection molding system, the injection molding system is provided with a flow front monitoring node, a valve gate monitoring node and a V/P switching monitoring node, the apparatus includes:
the first acquisition module is used for acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
the position determining module is used for establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
the second acquisition module is used for acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
and the animation generation module is used for generating injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path.
In a third aspect, the present invention provides a computer apparatus comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of:
acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
In a fourth aspect, the present invention provides a computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
The application can realize the following beneficial effects: the method comprises the steps of firstly, acquiring position information of a flow front edge monitoring node, position information of a valve gate monitoring node and position information of a V/P switching monitoring node; then establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; next, acquiring a first fluid arrival time when the flow front reaches the flow front monitoring node, acquiring a second fluid arrival time when the flow front reaches the valve gate monitoring node, and acquiring a third fluid arrival time when the flow front reaches the V/P switching monitoring node; and finally, generating injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path. Sufficient monitoring data is gathered through flow front edge monitoring node, valve runner monitoring node and V/P switching monitoring node, realizes the accurate detection to the flow front edge, and then realizes monitoring the actual flow pattern of the fuse-element in the die cavity, makes the process of will moulding plastics that this application can be accurate visual, avoids because of the human cost that manual monitoring caused or think the error, and the process of moulding plastics after visual can also be used for producing the compound dish, promotes the effect of moulding plastics.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic block diagram of an injection molding system provided in one embodiment;
FIG. 2 is a schematic view of a flow front provided in one embodiment;
FIG. 3 is a schematic block diagram of an injection molding system in one embodiment;
FIG. 4 is a schematic flow chart diagram illustrating a method for visualization of injection molding in one embodiment;
FIG. 5 is a schematic flow chart diagram illustrating a method for visualization of injection molding in one embodiment;
FIG. 6 is a schematic structural diagram of an injection molding visualization apparatus provided in an embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical scheme is suitable for various scenes of injection molding production, and specifically, the technical scheme can be used for generating injection molding animation through monitoring data of monitoring nodes in the scenes of injection molding production. In the scene of injection molding production, in some implementations, a plurality of monitoring nodes are arranged in a cavity of an injection mold, and an injection molding animation is generated according to monitoring data of each monitoring node. The arrangement of the monitoring nodes is determined according to different injection molding production scenes, and different monitoring nodes are required to be arranged in different cavities and different products. Specifically, a main glue feeding position, a pouring gate position and a filling tail end position of the injection mold are determined; then determining the key position of the product according to the structure and function requirements of the product; and finally, determining a monitoring node according to the main glue inlet position, the pouring gate position, the filling tail end position and the product key position.
In order to facilitate understanding of the technical solution of the present application, the injection molding system proposed in the present application is first specifically described by an example. As shown in fig. 1, the injection molding system includes an industrial personal computer 10, an injection molding machine 20, a cavity 30, and a valve gate controller 40. The industrial personal computer 10 is connected with the cavity 30, the valve gate controller 40 and the injection molding machine 20, and the cavity 30 is connected with the injection molding machine 20 and the valve gate controller 40. Wherein the cavity 30 is a cavity of an injection mold, different injection molds are generally used for producing products with different shapes. A plurality of monitoring nodes are arranged in the cavity 30, monitoring sensors are correspondingly arranged on the monitoring nodes, and relevant data information of the flow front edge is monitored through the monitoring sensors. Specifically, the flow front refers to the cross section of the plastic melt formed at the very front of the flow path in the mold cavity 30 during the injection molding process, as shown in fig. 2, where the dashed outline in fig. 2 represents the flow front at 0.53 s.
The industrial personal computer 10 is also a master controller, and is configured to receive monitoring data of the monitoring sensor in the cavity 30, and generate a control instruction according to the monitoring data to control the injection molding machine 20 to perform injection molding. Specifically, the industrial personal computer 10 may control a plurality of injection molding machines 20 to operate simultaneously.
The injection molding machine 20 is used to inject plastic at different speeds, i.e., to inject plastic melt into the cavity 30 at different speeds, under the control of the industrial personal computer 10.
Wherein, the valve gate controller 40 is used for controlling the opening or closing of the valve gate under the control of the industrial personal computer 10.
In this embodiment, the monitoring nodes include at least one of a leading edge position detection node, a valve gate monitoring node, or a V/P switching monitoring node. The monitoring node may monitor speed information as the flow front reaches the monitoring node, as well as temperature information, pressure information at the node.
Specifically, when the flowing front edge in the cavity reaches the front edge position monitoring node, the front edge position monitoring node sensor of the front edge position monitoring node sends a first detection signal, the industrial personal computer records the current moment after receiving the first detection signal, simultaneously generates a speed switching instruction corresponding to the front edge position monitoring node, and sends the speed switching instruction to the injection molding machine, and the injection molding machine executes speed switching control to complete injection speed change.
Specifically, when the flow front edge in the cavity reaches the valve gate monitoring node, the valve gate monitoring node sensor of the valve gate monitoring node sends a second detection signal, the industrial personal computer receives the second detection signal and records the current time, and meanwhile, a valve needle opening instruction of the valve gate corresponding to the valve gate monitoring node is generated and sent to the valve gate controller, and the valve gate controller executes the valve needle opening action to complete the opening of the valve gate.
Specifically, when the flow front in the cavity reaches the V/P switching monitoring node, the V/P switching monitoring node sensor of the V/P switching monitoring node sends a third detection signal, the industrial personal computer receives the third detection signal, records the current time, and simultaneously generates a V/P switching control instruction corresponding to the V/P switching monitoring node, and sends the V/P switching control instruction to the injection molding machine, the injection molding machine executes the V/P switching action, and the injection molding process enters the pressure maintaining stage from the injection stage.
In practical application, as shown in fig. 3, the injection molding system further includes a human-computer interaction device 50, and the human-computer interaction device 50 is connected with the industrial personal computer 10. The human-computer interaction device 50 comprises a simulation module 510 and a display module 520, wherein the simulation module 510 is connected with the display module 520, and a data interface is arranged on the display module 520. The simulation module 510 is used for generating injection molding animation according to monitoring data sent by the industrial personal computer 10, the display module 520 is used for displaying the injection molding animation, and the data interface is used for receiving an operation instruction input by a user. For example, the operation instruction may be an animation generation instruction, an animation query instruction, or an animation playback instruction.
The above is a complete explanation of the injection molding system provided in the present application, and the following specifically introduces the technical solution of the injection molding visualization method provided in the present application.
In one embodiment, as shown in fig. 4, the present application proposes an injection molding visualization method, which is adapted to an injection molding system provided with a flow front monitoring node, a valve gate monitoring node, and a V/P switching monitoring node, the method comprising:
Before the injection molding control method provided by the application is executed, a user is required to determine an injection molding mode to be executed through a human-computer interaction device, obtain preset injection molding parameters input by the user and a selected injection mold, and then determine a monitoring node according to a product key position and the selected injection mold. Specifically, the position information of the monitoring node at least includes space coordinate information of the monitoring node, and specifically, the space coordinate may be determined based on a space coordinate system established with the glue inlet position as an origin.
In one embodiment, the acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node includes: determining a target fill pattern for the injection molding system; determining the cavity parameter information of the injection molding system according to the target filling mode; and determining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node according to the cavity parameter information.
The target filling mode is the injection molding mode which is determined by the user through the man-machine interaction device and needs to be executed. In particular, the injection molding mode may determine the injection mold used to perform the injection molding and the type of plastic melt.
And the cavity parameter information includes the glue feeding position, the valve gate position, the filling tail end position and the injection molding section position of the injection mold. Specifically, the glue feeding position, the valve gate position, the filling tail end position and the injection molding segmentation position of the injection mold are determined according to the viscosity coefficient of the plastic melt and the geometric shape of the cavity. The viscosity coefficient is used for describing the flow property of the plastic melt, wherein the larger the viscosity coefficient is, the harder the plastic melt flows, and the smaller the viscosity coefficient is, the easier the plastic melt flows. In practice, the mutual distance between the valve gate locations is inversely proportional to the viscosity coefficient, and the injection segment locations are generally located in regions where the flow front area changes dramatically due to the cavity geometry. In practical application, a flow front monitoring node is usually arranged at a glue inlet position, a filling tail end position and an injection molding segmentation position; valve gate locations typically provide valve gate monitoring nodes; the position of 95% of the cavity volume is normally provided with a V/P switching monitoring node.
After the cavity parameter information is determined, the position information of the monitoring node can be determined according to the product key position determined by the product structure and function requirements. Specifically, determining the similarity between the glue inlet position, the valve gate position, the filling tail end position and the injection molding segmentation position and the key position of the product, and if the similarity is lower than a preset threshold value, setting the position of the flow front monitoring node, the position of the valve gate monitoring node or the position of the V/P switching monitoring node at the key position of the product. And if the similarity is higher than a preset threshold value, not setting a monitoring node at the key position of the product.
In one embodiment, after the obtaining the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node, the method further includes: arranging corresponding flow front sensors at positions corresponding to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node.
Wherein the flow front sensor is for detecting arrival of a flow front within the cavity. When the flow front in the cavity reaches the monitoring node, the flow front sensor on the monitoring node sends a response signal to the industrial personal computer, and the industrial personal computer records the current moment after receiving the response signal and takes the current moment as the fluid arrival time of the monitoring node. It will be appreciated that the flow front sensor may be a pressure and temperature integrated sensor, and the flow front sensor is capable of monitoring temperature information and pressure information at the monitoring node while detecting whether the flow front reaches the monitoring node.
And 402, establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node.
After the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node are determined, the position vector of the monitoring node can be determined. And determining the flow path according to the difference of the position vectors between the position vectors of two adjacent monitoring nodes and the correlation between the two adjacent monitoring nodes. Specifically, the smaller the difference between the two position vectors is, the higher the correlation between the monitoring nodes is, and the higher the probability that the two nodes are in one path is. Wherein, the relevance can be determined by the standard pressure and the temperature corresponding to the detection node. For example, if the difference between the position vectors between two adjacent monitoring nodes meets a preset vector difference threshold value, but the difference between the two pressure values does not meet a preset difference value, it indicates that the two pressure values cannot be on the same path. It is emphasized that in general the flow front is from the glue inlet position to the valve gate to the V/P switching point (V/P switching monitoring node).
And 403, acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node.
And after a flow path of the flow front is established, the time of the flow front reaching each monitoring node can be obtained, so that the injection molding animation consistent with the time of the flow front reaching each monitoring node in the cavity is controlled and generated.
And 404, generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path.
When the injection animation is generated, not only the time when the flow front reaches the monitoring node is controlled to be consistent with the actually monitored time, but also the flow speed of the injection front in the injection animation is controlled to be consistent with the actual speed, so that the injection animation is generated according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path, and the method comprises the following steps: acquiring preset injection molding parameters of the injection molding system in a target filling mode; determining the flow speed of the flow front according to the preset injection molding parameters, the arrival time of the first fluid, the arrival time of the second fluid and the arrival time of the third fluid; and generating injection molding animation according to the flow speed and the flow path.
After obtaining the arrival time of a first fluid when a flow front arrives at the flow front monitoring node, determining a first distance between the flow front monitoring node and a glue feeding position, and determining the flow speed of the flow front according to the first distance and the arrival time of the first fluid. Similarly, the flow speed of the flow front can be determined according to the second distance between the valve gate monitoring node and the glue inlet position and the arrival time of the second fluid; and determining the flow speed of the flow front according to the third distance between the V/P switching monitoring node and the glue inlet position and the arrival time of the third fluid. It will be appreciated that in practice, the speed of the flow front between two monitoring nodes may also be determined from the distance between the two monitoring nodes and the time difference between the arrival of the flow front at the two monitoring nodes. It should be emphasized that the calculation of the velocity here is for example the same path.
In one embodiment, the injection molding system further comprises a valve gate controller, said obtaining a second fluid arrival time at which the flow front arrives at the valve gate monitoring node, comprising: sending a valve gate control signal to the valve gate controller to enable the valve gate controller to control the opening or closing of the valve gate. After obtaining a third fluid arrival time at which the flow front arrives at the V/P switch monitoring node, further comprising: and sending a V/P switching control signal to the injection molding machine so as to enable the injection molding machine to carry out V/P switching.
After the second time or the third time is obtained, a valve gate control signal needs to be sent to the valve gate controller or a V/P switching control signal needs to be sent to the injection molding machine, so that the valve gate is opened or closed, or the injection molding machine is subjected to V/P switching. It will be appreciated that, at the same time, it may be desirable to send valve gate open, valve gate closed, or V/P switch signals to the display module to generate an injection molding animation that includes valve gate open, valve gate closed, or V/P switching.
The method comprises the steps of firstly, acquiring position information of a flow front edge monitoring node, position information of a valve gate monitoring node and position information of a V/P switching monitoring node; then establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; next, acquiring a first fluid arrival time when the flow front reaches the flow front monitoring node, acquiring a second fluid arrival time when the flow front reaches the valve gate monitoring node, and acquiring a third fluid arrival time when the flow front reaches the V/P switching monitoring node; and finally, generating injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path. Sufficient monitoring data is gathered through flow front edge monitoring node, valve runner monitoring node and V/P switching monitoring node, realizes the accurate detection to the flow front edge, and then realizes monitoring the actual flow pattern of the fuse-element in the die cavity, makes the process of will moulding plastics that this application can be accurate visual, avoids because of the human cost that manual monitoring caused or think the error, and the process of moulding plastics after visual can also be used for producing the compound dish, promotes the effect of moulding plastics.
In one embodiment, as shown in fig. 5, before obtaining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node, the method further includes the step of optimizing the speed of the flow front to improve the correlation between the injection molding animation and the actual injection molding process. The method comprises the following steps:
step 501, acquiring the glue injection starting time of the injection molding machine.
Wherein the injection molding machine may be the injection molding machine 20 of the injection molding system shown in fig. 1 or fig. 3.
Before the injection molding control method provided by the application is executed, a user is required to determine an injection molding mode to be executed through a human-computer interaction device, and preset injection molding parameters and a selected injection mold input by the user through the data interface are acquired. Specifically, the preset injection molding parameters refer to standard parameters of the current injection molding mode and are used as references for injection molding control in the injection molding process. For example, the injection molding mode may be a furniture mode, an automobile mode, or the like; correspondingly, the injection mold can be a concrete model of an automobile related product and a concrete model of a furniture related product; the standard parameters refer to different standard parameters corresponding to different models. For example, in practical applications, different injection molds may have different flow front velocities during injection.
After the injection mold and the preset injection parameters are determined, the injection molding machine starts to inject the plastic melt into a cavity of the injection mold. Meanwhile, the injection molding machine sends a glue injection starting signal to the industrial personal computer, so that the industrial personal computer determines the glue injection starting time.
The industrial personal computer may be an industrial personal computer 10 in the injection molding system shown in fig. 1 or fig. 3, and the injection molding machine may be an injection molding machine 20 in the injection molding system shown in fig. 1 or fig. 3.
In a specific embodiment, the acquiring a glue injection start time of the injection molding machine includes: acquiring a glue injection starting signal sent by the injection molding machine; and acquiring the glue injection starting time of the injection molding machine according to the glue injection starting signal.
And the industrial personal computer records the current moment as the glue injection starting time after receiving the glue injection starting signal.
Step 502, obtaining a fluid arrival time of the flow front at the monitoring node.
When the flow front in the cavity reaches the monitoring node, the sensor on the monitoring node sends a response signal to the industrial personal computer, and the industrial personal computer records the current time after receiving the response signal and takes the current time as the fluid arrival time of the monitoring node. For example, when the monitoring node is a leading edge position monitoring node, and the flow leading edge in the cavity reaches the leading edge position monitoring node, the leading edge position monitoring node sensor of the leading edge position monitoring node sends a first detection signal, and after the industrial personal computer receives the first detection signal, the current time is recorded and is used as the fluid arrival time of the leading edge position monitoring node. It is understood that the corresponding signal here comprises said first detection signal.
Step 503, determining the optimized speed of the flow front according to the glue injection starting time and the fluid arrival time.
After the glue injection starting time and the fluid reaching time are determined, whether the motion parameters of the flow front reaching the monitoring node accord with preset injection molding parameters or not can be judged according to the glue injection starting time and the fluid reaching time, if the motion parameters do not accord with the preset injection molding parameters, the optimization speed of the flow front is determined according to the glue injection starting time and the fluid reaching time, and the optimization of the fluid speed is completed.
In one embodiment, said determining an optimized speed of said flow front based on said shot start time, said fluid arrival time, comprises: determining the flow duration of the flow front according to the injection start time and the fluid arrival time; and determining the optimized speed of the flow front according to the flow duration and the preset flow duration.
In this embodiment, considering that the internal space of the cavity is complicated and changeable, if the movement speed of the flow front reaching the monitoring node is determined according to the injection start time and the fluid arrival time, a complicated formula calculation is required to fully consider factors such as height change in the cavity space, which greatly affects the calculation speed and further affects the control efficiency.
Therefore, in this embodiment, the determining, according to the injection start time and the fluid arrival time, the flow duration of the flow front to determine whether the motion parameter of the flow front when the flow front reaches the monitoring node meets the preset injection parameter is selected, and specifically, the determining, according to the flow duration and the preset flow duration, the optimized speed of the flow front includes: determining a flow error according to the flow time length and a preset flow time length; if the flow error is larger than a preset flow error, determining the optimization speed of the flow front according to the flow time length and the preset flow time length; if the flow error is not larger than the preset flow error, speed optimization is not carried out, calculation is simple, and control efficiency is high.
In one embodiment, the determining the optimized speed of the flow front according to the flow duration and the preset flow duration if the flow error is greater than a preset flow error includes: acquiring the current glue injection speed corresponding to the fluid arrival time; and determining the optimized speed of the flow front according to the current glue injection speed, the flow time and the preset flow time.
Specifically, the optimized speed of the flow front is determined according to the current glue injection speed, the flow time length, the preset flow time length and the following optimization formula:
Vn’＝Vn×(tn/Tn)；
wherein Vn' is the optimized speed, Vn is the current glue injection speed, Tn is the flow duration, and Tn is the preset flow duration.
And step 504, controlling the injection molding machine to inject the glue according to the optimized speed.
After the optimized speed is determined, the current glue injection speed of the injection molding machine can be adjusted according to the optimized speed, so that the injection molding machine is controlled to perform injection molding at a more accurate speed.
According to the method, the glue injection starting time of the injection molding machine and the fluid arrival time of the flow front reaching the monitoring node are obtained; the optimized speed of the flow front can be accurately determined according to the glue injection starting time and the fluid arrival time; sufficient monitoring data is gathered through monitoring node, realizes the accurate monitoring to the flow front, and then realizes monitoring the actual flow pattern of die cavity fuse-element, promotes the control accuracy to the process of moulding plastics, promotes the effect of moulding plastics.
In one embodiment, as shown in fig. 6, the present application proposes an injection molding visualization device, the device being adapted to an injection molding system provided with a flow front monitoring node, a valve gate monitoring node, and a V/P switching monitoring node, the device comprising:
a first obtaining module 601, configured to obtain position information of the flow front monitoring node, position information of the valve gate monitoring node, and position information of the V/P switching monitoring node;
a position determining module 602, configured to establish a flow path of a flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node;
a second obtaining module 603, configured to obtain a first fluid arrival time when the flow front reaches the flow front monitoring node, obtain a second fluid arrival time when the flow front reaches the valve gate monitoring node, and obtain a third fluid arrival time when the flow front reaches the V/P switching monitoring node;
an animation generation module 604 for generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
As shown in FIG. 7, in one embodiment, is an internal block diagram of a computer device. The computer device may be an injection molding visualization device, or a terminal or server connected to an injection molding visualization device. As shown in fig. 7, the computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program, which when executed by the processor causes the processor to implement a method of injection visualization. The internal memory may also have a computer program stored thereon, which, when executed by the processor, causes the processor to perform a method of injection molding visualization. The network interface is used for communicating with an external device. Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, an injection molding visualization method provided by the present application may be implemented in the form of a computer program that is executable on a computer device as shown in fig. 7. The memory of the computer device can store various program templates which form the injection molding visualization device. For example, the first obtaining module 601, the position determining module 602, the second obtaining module 603, and the animation generating module 604.
A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of: acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node; generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
In one embodiment, the acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node includes: determining a target fill pattern for the injection molding system; determining the cavity parameter information of the injection molding system according to the target filling mode; and determining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node according to the cavity parameter information.
In one embodiment, after the obtaining the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node, the method further includes: arranging corresponding flow front sensors at positions corresponding to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node.
In one embodiment, the generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path includes: acquiring preset injection molding parameters of the injection molding system in a target filling mode; determining the flow speed of the flow front according to the preset injection molding parameters, the arrival time of the first fluid, the arrival time of the second fluid and the arrival time of the third fluid; and generating injection molding animation according to the flow speed and the flow path.
In one embodiment, the injection molding system further comprises a valve gate controller, said obtaining a second fluid arrival time at which the flow front arrives at the valve gate monitoring node, comprising: sending a valve gate control signal to the valve gate controller to enable the valve gate controller to control the opening or closing of the valve gate.
In one embodiment, said obtaining the third fluid arrival time at which the flow front arrives at the V/P switching monitoring node further comprises: and sending a V/P switching control signal to the injection molding machine so as to enable the injection molding machine to carry out V/P switching.
A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of: : acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; establishing a flow path of a flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node; acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node; generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
In one embodiment, the acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node includes: determining a target fill pattern for the injection molding system; determining the cavity parameter information of the injection molding system according to the target filling mode; and determining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node according to the cavity parameter information.
In one embodiment, after the obtaining the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node, the method further includes: arranging corresponding flow front sensors at positions corresponding to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node.
In one embodiment, the generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path includes: acquiring preset injection molding parameters of the injection molding system in a target filling mode; determining the flow speed of the flow front according to the preset injection molding parameters, the arrival time of the first fluid, the arrival time of the second fluid and the arrival time of the third fluid; and generating injection molding animation according to the flow speed and the flow path.
In one embodiment, the injection molding system further comprises a valve gate controller, said obtaining a second fluid arrival time at which the flow front arrives at the valve gate monitoring node, comprising: sending a valve gate control signal to the valve gate controller to enable the valve gate controller to control the opening or closing of the valve gate.
In one embodiment, after obtaining the third fluid arrival time at which the flow front reaches the V/P switching monitoring node, further comprising: and sending a V/P switching control signal to the injection molding machine so as to enable the injection molding machine to carry out V/P switching.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only memory (ROM), a Random Access Memory (RAM), or the like.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.
Claims (10)
1. An injection molding visualization method, wherein the method is adapted for an injection molding system provided with a flow front monitoring node, a valve gate monitoring node, and a V/P switching monitoring node, the method comprising:
acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
establishing a flow path of a flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
generating an injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path.
2. The method of claim 1, wherein said obtaining position information of the flow front monitoring node, position information of the valve gate monitoring node, and position information of the V/P switching monitoring node comprises:
determining a target fill pattern for the injection molding system;
determining the cavity parameter information of the injection molding system according to the target filling mode;
and determining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node according to the cavity parameter information.
3. The method of claim 1, wherein after obtaining the position information of the flow front monitoring node, the position information of the valve gate monitoring node, and the position information of the V/P switching monitoring node, further comprising:
arranging respective flow front sensors at positions corresponding to the position information of the flow front monitoring nodes, the position information of the valve gate monitoring nodes, and the position information of the V/P switching monitoring nodes.
4. The method of claim 1, wherein generating an injection molding animation from the first fluid arrival time, the second fluid arrival time, the third fluid arrival time, and the flow path comprises:
acquiring preset injection molding parameters of the injection molding system in a target filling mode;
determining the flow speed of the flow front according to the preset injection molding parameters, the arrival time of the first fluid, the arrival time of the second fluid and the arrival time of the third fluid;
and generating injection molding animation according to the flow speed and the flow path.
5. The method of claim 1, wherein the injection molding system further comprises a valve gate controller, the obtaining a second fluid arrival time of the flow front at the valve gate monitoring node comprising:
sending a valve gate control signal to the valve gate controller to enable the valve gate controller to control the opening or closing of the valve gate.
6. The method of claim 1, wherein said obtaining a third fluid arrival time at which the flow front arrives at the V/P switching monitoring node further comprises:
and sending a V/P switching control signal to the injection molding machine so as to enable the injection molding machine to carry out V/P switching.
7. The utility model provides a visual device moulds plastics, its characterized in that, the device is applicable to the system of moulding plastics, the system of moulding plastics is provided with flow front edge monitoring node, valve runner monitoring node and V/P and switches monitoring node, the device includes:
the first acquisition module is used for acquiring the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
the position determining module is used for establishing a flow path of the flow front according to the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node;
the second acquisition module is used for acquiring the arrival time of a first fluid when the flow front reaches the flow front monitoring node, acquiring the arrival time of a second fluid when the flow front reaches the valve gate monitoring node, and acquiring the arrival time of a third fluid when the flow front reaches the V/P switching monitoring node;
and the animation generation module is used for generating injection molding animation according to the first fluid arrival time, the second fluid arrival time, the third fluid arrival time and the flow path.
8. The apparatus of claim 7, wherein the position determination module is further configured to: determining a target fill pattern for the injection molding system; determining the cavity parameter information of the injection molding system according to the target filling mode; and determining the position information of the flow front monitoring node, the position information of the valve gate monitoring node and the position information of the V/P switching monitoring node according to the cavity parameter information.
9. A computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to carry out the steps of the method according to claims 1-6.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, causes the processor to carry out the steps of the method according to claims 1-6.
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