Control System and Control Method of a Fully Automatic Injection Molding Device

Abstract

The present invention provides a control system for a full-automatic injection molding device, which includes a work order reader, a database, a management terminal, an automatic feeding device, an automatic mold changing device, an injection molding machine, and a manipulator; the present invention also provides a control method for a full-automatic injection molding device, which is implemented based on the above control system for a full-automatic injection molding device. The present invention provides a control system and a control method for a full-automatic injection molding device, which can read the information on the injection molding work order through the work order reader, and the management terminal selects the corresponding injection molding process card for full-automatic injection molding. The injection molding efficiency is high, and at the same time, the product quality can be ensured to be stable, solving the problem that the current injection molding process is not intelligent enough.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent injection molding, and more specifically, to a control system and a control method for a fully automatic injection molding device. Background Art

[0002] Injection molding is a method for manufacturing industrial product shapes. Products are usually made by rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding method and die casting method.

[0003] The current injection molding process is not intelligent enough. Each time injection molding is carried out, injection molding workers need to reset the process flow and process parameters of the injection molding machine according to the task requirements, and full-automatic injection molding cannot be achieved, resulting in relatively low injection molding efficiency. Moreover, the technical levels of different injection molding workers are different, which easily leads to unstable product quality.

[0004] In the prior art, such as the Chinese patent disclosed on October 7, 2015, an intelligent injection molding machine and its injection molding method, with the publication number of CN104960170A, by real-time correcting the injection molding trajectory, the process meets the actual requirements of product molding, so it has the process characteristics of more stable molding, but it does not achieve full-automatic injection molding and is not intelligent enough. Summary of the Invention

[0005] In order to overcome the technical defect that the current injection molding process is not intelligent enough, the present invention provides a control system and a control method for a fully automatic injection molding device.

[0006] To solve the above technical problems, the technical solution of the present invention is as follows:

[0007] A control system for a fully automatic injection molding device, used to implement the control method of the fully automatic injection molding device, includes a work order reader, a database, a management terminal, an automatic feeding device, an automatic die-changing device, an injection molding machine, and a manipulator;

[0008] The work order reader is used to read the information on the injection molding work order and send it to the management terminal; wherein, the injection molding work order includes information such as injection molding type, injection molding standard, workpiece color, and production quantity;

[0009] The database is used to store injection molding records and preset injection molding process cards;

[0010] The management terminal is used to receive the information sent by the work order reader, select the corresponding injection molding process card from the database, send signals to the automatic feeding device, automatic mold changing device, injection molding machine and manipulator respectively according to the selected injection molding process card, and generate injection records and store them in the database; among them, the injection molding process card has a unique number, and different numbered injection molding process cards are pre-bound with different injection molding types, injection molding standards and workpiece colors. The management terminal selects the corresponding injection molding process card according to the injection molding type, injection molding standard and workpiece color read by the work order reader from the injection molding work order;

[0011] The automatic feeding device is used to receive the signal from the management terminal and convey the corresponding materials to the injection molding machine;

[0012] The automatic mold changing device is used to receive the signal from the management terminal and replace the corresponding injection mold core;

[0013] The injection molding machine is used to receive the signal from the management terminal and obtain materials from the automatic feeding device for purging or injection molding;

[0014] The manipulator is used to receive the signal from the management terminal and grasp the workpiece.

[0015] In the above solution, the information on the injection molding work order can be read by the work order reader, and the management terminal selects the corresponding injection molding process card for full-automatic injection molding, with high injection molding efficiency and stable product quality.

[0016] Preferably, there are several injection molding process cards, and each injection molding process card records the process flow and process parameters of different workpieces respectively.

[0017] Preferably, the automatic feeding device is provided with several hoppers, one of which is used to hold purging materials, and the other hoppers are used to hold different production materials.

[0018] Preferably, it further includes a gate cutting device, and the gate cutting device is used to receive the signal from the management terminal and remove the gates of the workpiece.

[0019] Preferably, the gate cutting device is a gate cutting scissors.

[0020] Preferably, the work order reader is a scanner or a card reader.

[0021] Preferably, it further includes a marking device and an AGV cart;

[0022] The marking device is used to receive the signal from the management terminal and mark the workpiece;

[0023] The AGV cart is used to load the produced workpieces and receive the signal from the management terminal for transportation.

[0024] A control method for a fully automatic injection molding device, realized based on the control system of the described fully automatic injection molding device, includes the following steps:

[0025] S1: Use a work order reader to read the information on the injection molding work order and send it to the management terminal;

[0026] S2: The management terminal selects the corresponding injection molding process card according to the information on the injection molding work order, and the automatic feeding device conveys the machine cleaning materials to the injection molding machine for machine cleaning;

[0027] S3: The management terminal sends a signal to the automatic feeding device according to the injection molding process card and performs a cumulative count once, so that the automatic feeding device conveys the corresponding production materials into the injection molding machine for injection molding to obtain workpieces;

[0028] S4: The manipulator takes out the workpieces and marks the workpieces;

[0029] S5: Load the workpieces into the AGV cart through the manipulator;

[0030] S6: The management terminal judges whether the cumulative count reaches the quantity required in the injection molding work order;

[0031] If so, execute step S7;

[0032] If not, return to step S3;

[0033] S7: Complete the fully automatic injection molding.

[0034] Preferably, when performing machine cleaning, it also includes replacing the injection mold cores corresponding to the injection molding process card.

[0035] Preferably, after completing the marking of the workpieces, it also includes removing the sprue of the workpieces.

[0036] Compared with the prior art, the beneficial effects of the technical solution of the present invention are:

[0037] The present invention provides a control system and a control method for a fully automatic injection molding device, which can read the information on the injection molding work order through a work order reader, and the management terminal selects the corresponding injection molding process card for fully automatic injection molding, with high injection molding efficiency and stable product quality. Brief Description of the Drawings

[0038] Figure 1 It is a schematic diagram of the module connection of the present invention;

[0039] Figure 2 It is a flowchart of the implementation of the technical solution of the present invention;

[0040] Wherein: 1. Work order reader; 2. Database; 3. Management terminal; 4. Automatic feeding device; 5. Automatic mold changing device; 6. Injection molding machine; 7. Manipulator; 8. Gate cutting device; 9. Marking device; 10. AGV cart. Detailed implementation manners

[0041] The attached drawings are only for illustrative purposes and should not be construed as a limitation to this patent;

[0042] To better illustrate this embodiment, some components in the attached drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product;

[0043] For those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted.

[0044] The technical solutions of the present invention will be further described below in conjunction with the attached drawings and embodiments.

[0045] Embodiment 1

[0046] As Figure 1 shown, a control system of a full-automatic injection molding device for implementing the control method of the full-automatic injection molding device, includes a work order reader 1, a database 2, a management terminal 3, an automatic feeding device 4, an automatic mold changing device 5, an injection molding machine 6 and a manipulator 7;

[0047] The work order reader 1 is used to read the information on the injection molding work order and send it to the management terminal 3; In actual implementation, the injection molding work order includes information such as injection molding type, injection molding standard, workpiece color and production quantity, etc.;

[0048] The database 2 is used to store injection molding records and preset injection molding process cards;

[0049] The management terminal 3 is used to receive the information sent by the work order reader 1 and select the corresponding injection molding process card from the database 2, send signals to the automatic feeding device 4, the automatic mold changing device 5, the injection molding machine 6 and the manipulator 7 according to the selected injection molding process card, and generate injection molding records and store them in the database 2; In actual implementation, the injection molding process card has a unique number, and different numbered injection molding process cards are pre-bound with different injection molding types, injection molding standards and workpiece colors. The management terminal 3 selects the corresponding injection molding process card according to the injection molding type, injection molding standard and workpiece color read by the work order reader 1 from the injection molding work order;

[0050] The automatic feeding device 4 is used to receive the signal of the management terminal 3 and convey the corresponding material to the injection molding machine 6;

[0051] The automatic mold changing device 5 is used to receive the signal of the management terminal 3 and replace the corresponding injection mold core;

[0052] The injection molding machine 6 is used to receive the signal from the management terminal 3 and obtain materials from the automatic feeding device 4 for machine cleaning or injection molding;

[0053] The manipulator 7 is used to receive the signal from the management terminal 3 and grasp the workpiece.

[0054] More specifically, there are several injection molding process cards, and each injection molding process card records the process flow and process parameters of different workpieces respectively.

[0055] In the specific implementation process, the injection molding process cards are preset and formulated by professional technicians according to the injection molding product type and injection molding standards and saved in the database 2.

[0056] More specifically, the automatic feeding device 4 is provided with several hoppers, one of which is used to hold the machine cleaning materials, and the other hoppers are used to hold different production materials.

[0057] In the specific implementation process, each hopper has a number, and the number of each hopper is associated with the materials it holds. When the automatic feeding device 4 receives a signal to transport materials to the injection molding machine 6, it transports the materials in the hopper with the corresponding number to the injection molding machine 6 according to the signal. An ultrasonic level gauge is also provided in the hopper to monitor the percentage of materials in the hopper. When the percentage of materials in the hopper is lower than the preset threshold, an alarm signal is issued.

[0058] More specifically, it further includes a gate cutting device 8, and the gate cutting device 8 is used to receive the signal from the management terminal 3 and remove the gates of the workpieces.

[0059] More specifically, the gate cutting device 8 is a gate cutting scissors.

[0060] More specifically, the work order reader 1 is a scanner or a card reader.

[0061] More specifically, it further includes a marking device 9 and an AGV cart 10;

[0062] The marking device 9 is used to receive the signal from the management terminal 3 and mark the workpieces;

[0063] The AGV cart 10 is used to load the produced workpieces and receive the signal from the management terminal 3 for transportation.

[0064] Embodiment 2

[0065] As Figure 2 shown, a control method for a fully automatic injection molding device, implemented based on the control system of the fully automatic injection molding device described above, includes the following steps:

[0066] S1: Use the work order reader 1 to read the information on the injection molding work order and send it to the management terminal 3;

[0067] In actual implementation, the management terminal 3 initializes the cumulative count to 0;

[0068] S2: The management terminal 3 selects the corresponding injection molding process card according to the information on the injection work order, and the automatic feeding device 4 conveys the purging material to the injection molding machine 6 for purging;

[0069] S3: The management terminal 3 sends a signal to the automatic feeding device 4 according to the injection molding process card and performs a cumulative count once, so that the automatic feeding device 4 conveys the corresponding production material into the injection molding machine 6 for injection molding to obtain workpieces;

[0070] In actual implementation, a cumulative count is performed once for each injection molding;

[0071] S4: The robot 7 takes out the workpiece and marks the workpiece;

[0072] S5: The robot 7 loads the workpiece into the AGV cart 10;

[0073] S6: The management terminal determines whether the cumulative count reaches the quantity required in the injection work order;

[0074] If so, execute step S7;

[0075] If not, return to step S3;

[0076] S7: Complete full-automatic injection molding.

[0077] More specifically, when purging, it also includes replacing the injection mold core corresponding to the injection molding process card.

[0078] In the specific implementation process, the automatic mold changing device 5 receives the signal from the management terminal 3 and replaces the corresponding injection mold core.

[0079] More specifically, after the workpiece is marked, it also includes removing the sprue of the workpiece.

[0080] In the specific implementation process, the sprue removing device 8 receives the signal from the management terminal 3 and performs the sprue removing operation on the workpiece.

[0081] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. A control system for a fully automatic injection molding device, characterized in that, It includes a work order reader (1), a database (2), a management terminal (3), an automatic feeding device (4), an automatic mold changing device (5), an injection molding machine (6) and a manipulator (7); The work order reader (1) is used to read the information on the injection molding work order and send it to the management terminal (3); The database (2) is used to store injection molding records and preset injection molding process cards; there are several injection molding process cards, and each injection molding process card records the process flow and process parameters of different workpieces respectively; The management terminal (3) is used to receive the information sent by the work order reader (1), select the corresponding injection molding process card from the database (2), send signals to the automatic feeding device (4), the automatic mold changing device (5), the injection molding machine (6) and the manipulator (7) respectively according to the selected injection molding process card, and generate injection molding records and store them in the database (2); The automatic feeding device (4) is used to receive the signal from the management terminal (3) and convey the corresponding materials to the injection molding machine (6); The automatic mold changing device (5) is used to receive the signal from the management terminal (3) and replace the corresponding injection mold core; The injection molding machine (6) is used to receive the signal from the management terminal (3) and obtain materials from the automatic feeding device (4) for machine cleaning or injection molding; The manipulator (7) is used to receive the signal from the management terminal (3) and grab the workpiece.

2. The control system of a fully automatic injection molding device according to claim 1, characterized in that, The automatic feeding device (4) is provided with several hoppers, one of which is used to hold machine cleaning materials, and the other hoppers are used to hold different production materials.

3. The control system of a fully automatic injection molding device according to claim 2, characterized in that, It further includes a gate cutting device (8), and the gate cutting device (8) is used to receive the signal from the management terminal (3) and remove the gate of the workpiece.

4. The control system of a fully automatic injection molding device according to claim 3, characterized in that, The gate cutting device (8) is a gate cutting scissors.

5. The control system of a fully automatic injection molding device according to claim 1, characterized in that, The work order reader (1) is a scanner or a card reader.

6. The control system of a fully automatic injection molding device according to claim 3, characterized in that, It further includes a marking device (9) and an AGV cart (10); The marking device (9) is used to receive the signal from the management terminal (3) and mark the workpiece; The AGV cart (10) is used to load the produced workpieces and receive the signal from the management terminal (3) for transportation.

7. A control method for a fully automatic injection molding device, based on the control system of the fully automatic injection molding device according to claim 6, characterized in that, It includes the following steps: S1: Use the work order reader (1) to read the information on the injection molding work order and send it to the management terminal (3); S2: The management terminal (3) selects the corresponding injection molding process card according to the information on the injection molding work order, and the automatic feeding device (4) conveys machine cleaning materials to the injection molding machine (6) for machine cleaning; S3: The management terminal (3) sends a signal to the automatic feeding device (4) according to the injection molding process card and performs a cumulative count once, so that the automatic feeding device (4) conveys the corresponding production materials into the injection molding machine (6) for injection molding to obtain the workpiece; S4: The manipulator (7) takes out the workpiece and marks the workpiece; S5: Load the workpiece into the AGV cart (10) through the manipulator (7); S6: The management terminal (3) judges whether the cumulative count reaches the quantity required in the injection molding work order; If so, execute step S7; If not, return to step S3; S7: Complete full-automatic injection molding.

8. The control method of a fully automatic injection molding device according to claim 7, characterized in that, When performing machine cleaning, it further includes replacing the injection mold core corresponding to the injection molding process card.

9. The control method of a fully automatic injection molding device according to claim 7, characterized in that, After the workpiece is marked, it further includes removing the gate of the workpiece.

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