CN112728197A - Mold injection molding machine and control system thereof - Google Patents
Mold injection molding machine and control system thereof Download PDFInfo
- Publication number
- CN112728197A CN112728197A CN202011635197.8A CN202011635197A CN112728197A CN 112728197 A CN112728197 A CN 112728197A CN 202011635197 A CN202011635197 A CN 202011635197A CN 112728197 A CN112728197 A CN 112728197A
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- Prior art keywords
- switch
- relay
- injection molding
- molding machine
- transformer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Abstract
The application discloses control system of mould injection molding machine includes motor main circuit module, motor switch control module, pneumatic cylinder control module and solenoid valve control module. Has the following advantages: after the electromagnetic valve is conducted, the two motors of the large hydraulic station and the small hydraulic station are further controlled, mechanical energy is converted into hydraulic energy, the movement speed of an execution element is accelerated, pressure is provided for a system, pressure difference is generated, the improvement of the mold closing, mold locking and mold opening state efficiency of the injection molding machine is realized, and the working efficiency of the injection molding machine is further improved.
Description
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a mold injection molding machine and a control system thereof.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die; the injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.
The injection molding machine is mainly divided into three working states: the injection molding machine comprises a mold closing mechanism, a mold locking mechanism and a mold opening mechanism, wherein the three working states of the injection molding machine all need a hydraulic cylinder to provide pressure for the injection molding machine, pressure difference is generated to enable the injection molding machine to run, the hydraulic cylinder of the traditional injection molding machine is controlled through an electro-hydraulic reversing valve, the electro-hydraulic reversing valve works in a mode of controlling a pilot valve through an electromagnetic valve, the injection molding speed is further improved after improvement, and the improvement on the operation efficiency of mold closing, mold locking and mold opening of the.
For example, patent No. CN201822127773.2, entitled hydraulic cylinder control device for injection molding machine, discloses a hydraulic cylinder control device for injection molding machine, which is characterized in that: the utility model provides a pneumatic cylinder controlling means of injection molding machine, includes pneumatic cylinder, pilot valve, solenoid valve, the solenoid valve is provided with solenoid valve inlet and the first liquid outlet of solenoid valve, solenoid valve second liquid outlet, be provided with the first control mouth of pilot valve, pilot valve second control mouth, pilot valve inlet, the first export of pilot valve, the export of pilot valve second on the pilot valve, a serial communication port, the solenoid valve inlet is met with the export of energy storage tank, the first liquid outlet of solenoid valve communicates with each other with the first control mouth of pilot valve, pilot valve second control mouth respectively with the first control mouth of pilot valve, pilot valve second control mouth, the pilot valve inlet meets with the oil pump, the first export of pilot valve, pilot valve second are met with two interfaces of pneumatic.
Disclosure of Invention
The invention aims to solve the technical problem that the defects are overcome, and provides the mold injection molding machine and the control system thereof, so that the injection molding time is accelerated, the operation efficiency of mold closing, mold locking and mold opening of the injection molding machine is improved, and the work efficiency of the injection molding machine is integrally accelerated.
In order to solve the technical problems, the invention adopts the following technical scheme:
a control system of a mold injection molding machine comprises a motor main circuit module, a motor switch control module, a hydraulic cylinder control module and an electromagnetic valve control module.
Further, the motor main circuit module comprises a three-phase power supply, a 1L1 line, a 1L2 line, a 1L3 line and an N line of the three-phase power supply are connected with one end of a breaker QF1, the other end of the breaker QF1 is connected with one end of a breaker QF2, the other end of the breaker QF2 is connected with one end of a transformer T1 and one end of a thermal relay FR1, the other end of the thermal relay FR1 is connected with one end of a contactor KM1 switch and one end of a contactor KM2 switch, the other end of the contactor KM1 switch is connected with a motor M1, and the other end.
Furthermore, one end of an emergency stop switch SA1 and one end of a motor stop button SB6 of the motor switch control module are connected with one end of a 3L1 of a transformer T1, the other end of the emergency stop switch SA1 is connected with one end of a combined switch SB1 and one end of a switch of a contactor KM11, the other end of the combined switch SB1 and the other end of the switch of the contactor KM11 are connected with one end of a coil of a contactor KM11, and the other end of the coil of the contactor KM11 is connected with one end of a 3L3 of the transformer T.
Furthermore, the other end of the motor stop button SB6 is connected with one end of a composite button SB5 and one end of a switch of a contactor KM12, the other end of the composite button SB5 and the other end of the contactor KM12 are connected with one end of a thermal relay FR2, the other end of the thermal relay FR2 is connected with one end of a switch of a contactor KM12, and the other end of a coil of the contactor KM12 is connected with one end of a 3L3 of a transformer T1.
Further, change-over switch SA11 one end, combination switch SB3 one end, change-over switch SA12 one end and combination switch SB4 one end are connected with 21 one end of transformer T1, the change-over switch SA11 other end is connected with relay KA31 switch one end, the relay KA31 switch other end and the combination switch SB3 other end are connected with normally closed switch KA22 one end, the normally closed switch KA22 other end is connected with proximity switch SQ1 one end, the proximity switch SQ1 other end is connected with relay KA1 coil one end, relay KA1 coil another termination transformer T1's 22 one end.
Furthermore, the other end of the conversion switch SA12 is connected with one end of a switch KA32, the other ends of the switch KA32 and the composite switch SB4 are connected with one end of a normally closed switch KA21, the other end of the normally closed switch KA21 is connected with one end of a proximity switch SQ2, the other end of the proximity switch SQ2 is connected with one end of a coil KA2, and the other end of the coil KA2 is connected with one end 22 of a transformer T1.
Further, solenoid valve control module includes manometer MPa, and manometer MPa one end is connected with 21 one end of transformer T1, and the manometer MPa other end is connected with blend switch SB2 one end, blend switch SB7 one end, relay KA1 switch one end and relay KA2 switch one end.
Furthermore, the other end of the compound switch SB2 is connected with one end of a solenoid valve B1, and the other end of the solenoid valve B1 is connected with one end 22 of a transformer T1; the other end of the compound switch SB7 is connected with one end of a solenoid valve B2, and the other end of the solenoid valve B2 is connected with one end 22 of a transformer T1.
Furthermore, the other end of the switch of the relay KA1 is connected with one end of a solenoid valve B3, and the other end of the solenoid valve B3 is connected with one end 22 of a transformer T1;
furthermore, the other end of the switch of the relay KA2 is connected with one end of a solenoid valve B4, and the other end of the solenoid valve B4 is connected with one end 22 of a transformer T1.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the invention, after the electromagnetic valve is conducted, the two motors of the large hydraulic station and the small hydraulic station are further controlled, mechanical energy is converted into hydraulic energy, the movement speed of an execution element is accelerated, pressure is provided for a system, pressure difference is generated, the improvement of the mold closing, mold locking and mold opening state efficiency of the injection molding machine is realized, and the working efficiency of the injection molding machine is further improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the control system of the present invention;
in the figure: 1-front template, 2-rear template, 3-bottom plate, 4-support frame, 5-hydraulic cylinder.
Detailed Description
In the embodiment, as shown in fig. 1, a mold injection molding machine includes a bottom plate 3, a rear mold plate 2 is installed at a middle position of the bottom plate 3, a hydraulic cylinder 5 is installed on the rear mold plate 2, the rear mold plate 2 is connected with a support frame 4 through the hydraulic cylinder 5, the support frame 4 is installed at a rear end position of the bottom plate, and a front mold plate 1 is installed at a front end position of the rear mold plate 2.
A control system of a mold injection molding machine comprises a motor main circuit module, a motor switch control module, a hydraulic cylinder control module and an electromagnetic valve control module.
As shown in fig. 2, the motor main circuit module comprises a three-phase power supply, a 1L1 line, a 1L2 line, a 1L3 line and an N line of the three-phase power supply are connected with a breaker QF1, the other end of the breaker QF1 is connected with one end of a breaker QF2, the other end of the breaker QF2 is connected with one end of a transformer T1 and one end of a thermal relay FR1, the other end of the thermal relay FR1 is connected with one end of a switch of a contactor KM1 and one end of a switch of a contactor KM2, the other end of the switch of the contactor KM1 is connected with a motor M82.
One end of an emergency stop switch SA1 and one end of a motor stop button SB6 of the motor switch control module are connected with one end of a 3L1 of a transformer T1, the other end of the emergency stop switch SA1 is connected with one end of a composite switch SB1 and one end of a contactor KM11 switch, the other end of the composite switch SB1 and the other end of the contactor KM11 are connected with one end of a contactor KM11 coil, and the other end of the contactor KM11 coil is connected with one end of the 3L3 of the transformer T1.
The other end of the motor stop button SB6 is connected with one end of a compound button SB5 and one end of a contactor KM12 switch, the other end of the compound button SB5 and the other end of the contactor KM12 are connected with one end of a thermal relay FR2, the other end of the thermal relay FR2 is connected with one end of a contactor KM12 switch, and the other end of a coil of the contactor KM12 is connected with one end of a 3L3 of a transformer T1.
The change over switch SA11 one end of pneumatic cylinder control module, blend switch SB3 one end, change over switch SA12 one end and blend switch SB4 one end are connected with 21 one end of transformer T1, the change over switch SA11 other end is connected with relay KA31 switch one end, the relay KA31 switch other end and blend switch SB3 other end are connected with normally closed switch KA22 one end, the normally closed switch KA22 other end is connected with proximity switch SQ1 one end, the proximity switch SQ1 other end is connected with relay KA1 coil one end, another termination transformer T1's 22 one end of relay KA1 coil.
The change over switch SA12 other end is connected with relay KA32 switch one end, and the relay KA32 switch other end and the compound switch SB4 other end are connected with normally closed switch KA21 one end, and the normally closed switch KA21 other end is connected with proximity switch SQ2 one end, and the proximity switch SQ2 other end is connected with relay KA2 coil one end, and another termination transformer T1's 22 one end is gone up to relay KA2 coil.
The solenoid valve control module includes manometer MPa, and manometer MPa one end is connected with 21 one end of transformer T1, and the manometer MPa other end is connected with blend switch SB2 one end, blend switch SB7 one end, relay KA1 switch one end and relay KA2 switch one end.
The other end of the compound switch SB2 is connected with one end of a solenoid valve B1, and the other end of the solenoid valve B1 is connected with one end 22 of a transformer T1; the other end of the compound switch SB7 is connected with one end of a solenoid valve B2, and the other end of the solenoid valve B2 is connected with one end 22 of a transformer T1.
The other end of the switch of the relay KA1 is connected with one end of a solenoid valve B3, and the other end of the solenoid valve B3 is connected with one end 22 of a transformer T1; the other end of the switch of the relay KA2 is connected with one end of a solenoid valve B4, and the other end of the solenoid valve B4 is connected with one end 22 of a transformer T1.
The working principle of the invention is as follows, the pdcpd rolling die spotting press is mainly divided into three working states: closing the mold, locking the mold and opening the mold;
1. die assembly: after the pdcpd mold is installed, the rear mold plate is pushed by a hydraulic cylinder to move towards the front mold plate quickly, and the mold closing process of the mold is finished by decelerating and moving slowly at an instant before complete mold closing;
2. and (3) mode locking: after the pdcpd mold is completely closed, the hydraulic cylinder continuously works to ensure the closing state of the mold, meanwhile, A, B liquid of the pdcpd material is pushed by the pressure of a high-pressure injection machine to quickly fill the mold, the reaction is completed, and the mold is molded;
3. opening the mold: after the mold locking action is finished, the rear template is driven by the hydraulic cylinder to be away from the front template quickly, the mold opening action is finished, the product is dismounted, and then the cycle is continued.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A control system of a mold injection molding machine is characterized in that: the motor control system comprises a motor main circuit module, a motor switch control module, a hydraulic cylinder control module and an electromagnetic valve control module.
2. The control system of a mold injection molding machine according to claim 1, wherein: the motor main circuit module comprises a three-phase power supply, a 1L1 line, a 1L2 line, a 1L3 line and an N line of the three-phase power supply are connected with one end of a breaker QF1, the other end of the breaker QF1 is connected with one end of a breaker QF2, the other end of the breaker QF2 is connected with one end of a transformer T1 and one end of a thermal relay FR1, the other end of the thermal relay FR1 is connected with one end of a contactor KM1 switch and one end of a contactor KM2 switch, the other end of the contactor KM1 switch is connected with a motor M1, and the.
3. The control system of a mold injection molding machine according to claim 1, wherein: one end of an emergency stop switch SA1 and one end of a motor stop button SB6 of the motor switch control module are connected with one end of a 3L1 of a transformer T1, the other end of the emergency stop switch SA1 is connected with one end of a composite switch SB1 and one end of a contactor KM11 switch, the other end of the composite switch SB1 and the other end of the contactor KM11 are connected with one end of a contactor KM11 coil, and the other end of the contactor KM11 coil is connected with one end of the 3L3 of the transformer T1.
4. The control system of a mold injection molding machine according to claim 3, wherein: the other end of the motor stop button SB6 is connected with one end of a compound button SB5 and one end of a contactor KM12 switch, the other end of the compound button SB5 and the other end of the contactor KM12 switch are connected with one end of a thermal relay FR2, the other end of the thermal relay FR2 is connected with one end of a contactor KM12 switch, and the other end of a coil of the contactor KM12 is connected with one end of 3L3 of a transformer T1.
5. The control system of a mold injection molding machine according to claim 1, wherein: the change over switch SA11 one end of pneumatic cylinder control module, blend switch SB3 one end, change over switch SA12 one end and blend switch SB4 one end are connected with 21 one end of transformer T1, the change over switch SA11 other end is connected with relay KA31 switch one end, the relay KA31 switch other end and blend switch SB3 other end are connected with normally closed switch KA22 one end, the normally closed switch KA22 other end is connected with proximity switch SQ1 one end, the proximity switch SQ1 other end is connected with relay KA1 coil one end, another termination transformer T1's 22 one end of relay KA1 coil.
6. The control system of a mold injection molding machine according to claim 5, wherein: the change over switch SA12 other end is connected with relay KA32 switch one end, and the relay KA32 switch other end and the compound switch SB4 other end are connected with normally closed switch KA21 one end, and the normally closed switch KA21 other end is connected with proximity switch SQ2 one end, and the proximity switch SQ2 other end is connected with relay KA2 coil one end, and another termination transformer T1's 22 one end is gone up to relay KA2 coil.
7. The control system of a mold injection molding machine according to claim 1, wherein: the solenoid valve control module includes manometer MPa, and manometer MPa one end is connected with 21 one end of transformer T1, and the manometer MPa other end is connected with blend switch SB2 one end, blend switch SB7 one end, relay KA1 switch one end and relay KA2 switch one end.
8. The control system of a mold injection molding machine according to claim 7, wherein: the other end of the compound switch SB2 is connected with one end of a solenoid valve B1, and the other end of the solenoid valve B1 is connected with one end 22 of a transformer T1; the other end of the compound switch SB7 is connected with one end of a solenoid valve B2, and the other end of the solenoid valve B2 is connected with one end 22 of a transformer T1.
9. The control system of a mold injection molding machine according to claim 7, wherein: the other end of the switch of the relay KA1 is connected with one end of a solenoid valve B3, and the other end of the solenoid valve B3 is connected with one end 22 of a transformer T1.
10. The control system of a mold injection molding machine according to claim 7, wherein: the other end of the switch of the relay KA2 is connected with one end of a solenoid valve B4, and the other end of the solenoid valve B4 is connected with one end 22 of a transformer T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011635197.8A CN112728197A (en) | 2020-12-31 | 2020-12-31 | Mold injection molding machine and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011635197.8A CN112728197A (en) | 2020-12-31 | 2020-12-31 | Mold injection molding machine and control system thereof |
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| CN112728197A true CN112728197A (en) | 2021-04-30 |
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| CN202011635197.8A Pending CN112728197A (en) | 2020-12-31 | 2020-12-31 | Mold injection molding machine and control system thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102001167A (en) * | 2010-09-07 | 2011-04-06 | 华南理工大学 | Plunger pump type hydraulic injection moulding machine system driven by servo motor and control method thereof |
| CN202580230U (en) * | 2012-04-06 | 2012-12-05 | 吴添林 | Controller of plastic mold cooling cycling waterway magnetic exchange valve |
| CN104362751A (en) * | 2014-11-19 | 2015-02-18 | 北京中电博达科技有限公司 | Intelligent switching switch |
| CN105909577A (en) * | 2016-06-01 | 2016-08-31 | 山东科大机电科技股份有限公司 | Quick tensioning hydraulic station |
| EP3333376A1 (en) * | 2016-12-08 | 2018-06-13 | Siemens Aktiengesellschaft | Electric control circuit for a turbine engine |
| CN108533784A (en) * | 2018-07-03 | 2018-09-14 | 永嘉县信诚科技服务有限公司 | Automatic control opens and closes ball valve without friction |
| CN109538811A (en) * | 2018-09-26 | 2019-03-29 | 南通蓝岛海洋工程有限公司 | A kind of oil drain solenoid valve control system |
-
2020
- 2020-12-31 CN CN202011635197.8A patent/CN112728197A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001167A (en) * | 2010-09-07 | 2011-04-06 | 华南理工大学 | Plunger pump type hydraulic injection moulding machine system driven by servo motor and control method thereof |
| CN202580230U (en) * | 2012-04-06 | 2012-12-05 | 吴添林 | Controller of plastic mold cooling cycling waterway magnetic exchange valve |
| CN104362751A (en) * | 2014-11-19 | 2015-02-18 | 北京中电博达科技有限公司 | Intelligent switching switch |
| CN105909577A (en) * | 2016-06-01 | 2016-08-31 | 山东科大机电科技股份有限公司 | Quick tensioning hydraulic station |
| EP3333376A1 (en) * | 2016-12-08 | 2018-06-13 | Siemens Aktiengesellschaft | Electric control circuit for a turbine engine |
| CN108533784A (en) * | 2018-07-03 | 2018-09-14 | 永嘉县信诚科技服务有限公司 | Automatic control opens and closes ball valve without friction |
| CN109538811A (en) * | 2018-09-26 | 2019-03-29 | 南通蓝岛海洋工程有限公司 | A kind of oil drain solenoid valve control system |
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