CN209580414U - A kind of turntable control structure of vertical injection molding machine - Google Patents
A kind of turntable control structure of vertical injection molding machine Download PDFInfo
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- CN209580414U CN209580414U CN201920099077.7U CN201920099077U CN209580414U CN 209580414 U CN209580414 U CN 209580414U CN 201920099077 U CN201920099077 U CN 201920099077U CN 209580414 U CN209580414 U CN 209580414U
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Abstract
The utility model belongs to machine Control system field, and in particular to the turntable control structure of vertical injection molding machine a kind of.The utility model proposes a kind of turntable control structures without oil circuit control, accurate positioning and vertical injection molding machine easy to control.The technical solution adopted in the utility model is a kind of turntable control structure of vertical injection molding machine, turntable and bracket including vertical injection molding machine, further includes: disk gear is engaged with the turntable of vertical injection molding machine；Gear is driven, is engaged with disk gear, for accurate pinion gear；Speed reducer, rack-mount, the output end of speed reducer is fixedly connected with driving gear；Synchronous motor, the leading portion of rack-mount synchronous motor and the input terminal of speed reducer are rotatablely connected；Absolute value encoder, it is rack-mount, it is rotatablely connected with the tail end of synchronous motor；Control assembly is communicated to connect with absolute value encoder, is electrically connected with synchronous motor.
Description
Technical field
The utility model belongs to machine Control system field, and in particular to the turntable control structure of vertical injection molding machine a kind of.
Background technique
Vertical injection molding machine with turntable is being molded plastic section since mold being needed to be transferred on the inside of machine in injection molding
After part, needs mold to go to outside and come out, so that artificial or manipulator takes the article of injection formed away.
Control for Rotational Disk in Injection Molding mainly has 2 kinds of control modes at present.
1. hydraulic pump+proportioning valve control mode.Advantage: structure is simple, and control mode is mature；Disadvantage: oil circuit control, oil
Pipe difficult arrangement；Multiple deceleration point position-sensing switches are needed, wiring is complicated；Run unstable, noise is big, position inaccurate；
2. the control mode that synchronous motor driver+speed reducer+rotary encoder is run in a manner of speed.Advantage: cost
Low, control is steady；Disadvantage: positioning is inaccurate, and position control is realized in a manner of dependence；Difficult, increase machinery is controlled when multistation
By mechanism.
Utility model content
In order to solve to appeal, existing oil pipe arrangement airplane crash, wiring is complicated, run unstable, position inaccurate and control is tired
Difficult problem, the utility model proposes a kind of without oil circuit control, accurate positioning and vertical injection molding machine easy to control
Turntable control structure.
To achieve the goals above, the technical solution adopted in the utility model is a kind of turntable control of vertical injection molding machine
Structure, turntable and bracket including vertical injection molding machine, further includes: disk gear is engaged with the turntable of vertical injection molding machine；Sliding tooth
Wheel, is engaged with disk gear, for accurate pinion gear；Speed reducer, rack-mount, the output end and driving gear of speed reducer are solid
Fixed connection；Synchronous motor, the leading portion of rack-mount synchronous motor and the input terminal of speed reducer are rotatablely connected；Absolute encoder
Device, it is rack-mount, it is rotatablely connected with the tail end of synchronous motor；Control assembly is communicated to connect with absolute value encoder, and same
Walk motor electrical connection.
Preferably, the control assembly includes: synchronous motor driver, it is electrically connected with synchronous motor, with absolute value
Encoder communication connection；PLC controller is communicated to connect with synchronous motor driver.
Preferably, the synchronous motor driver uses dsp chip.
Preferably, the communication output circuit of synchronous motor driver and the PLC controller are as follows: dsp chip it is defeated
Outlet is connect with the input terminal of amplifier U1, and the output end of amplifier U1 is connect with the first end of resistance R1；The second end of R1 with
The base stage of triode Q1 connects, and the collector of Q1 is connect with the cathode of diode D1；The emitter of Q1 is grounded；The first of resistance R2
End is connect with the base stage of triode Q1, and the second end of resistance R2 is connect with the emitter of triode Q1；The anode of diode D1 with
The second end of resistance R3 connects, and the first end of resistance R3 is connect with the anode of amplifier U1, and the anode of amplifier U1 connects+5V voltage
Source, the cathode ground connection of amplifier U1；The first end of capacitor C1 is grounded, and the second end of capacitor C1 and the first end of resistance R3 connect
It connects；The cathode of diode D1 is connect with the cathode of photoelectrical coupler U2, the second end of the photoelectricity anode of device U1 and resistance R4 once in a while
Connection, the first termination+5V voltage source of resistance R4；The emitter of the photistor of photoelectrical coupler U2 is grounded, photoelectric coupling
The collector of the photistor of device U2 and the communication ends of PLC controller connect.
The utility model has the beneficial effects that the control structure that (1) the utility model is proposed is to use servo synchronization motor
Driver+absolute position the encoder of speed reducer+multi-turn 23, by being realized the advantages of 23 absolute value encoders,
Control is steady, and positioning accuracy is high, realizes the control of multistation angle；(2) by installing high-precision 23 in synchronous motor tail portion
Position multi-turn absolute value encoder can go out the relationship of disk position and motor operating by scale operation；(3) by synchronizing electricity
The operating of the motor of machine driver control can achieve the purpose of accurate control turntable angle of operation.
Detailed description of the invention
Fig. 1: the turntable control structure schematic diagram of injection molding machine
Fig. 2: control assembly Principle of Communication figure
Fig. 3: part walks the communication output circuit of motor driver and PLC controller
In figure: 1, vertical injection molding machine turntable, 2, disk gear, 3, bracket, 4, driving gear, 5, speed reducer, 6, synchronize electricity
Machine, 7, absolute value encoder, 8, synchronous motor driver, 9, PLC controller.
Specific embodiment
Embodiment
A kind of 1 control structure of turntable of vertical injection molding machine, turntable 1 and bracket 3 including vertical injection molding machine, further includes: turn
Disk gear 2 is engaged with the turntable of vertical injection molding machine；Gear 4 is driven, is engaged with disk gear 2, for accurate pinion gear；Speed reducer
5, it is mounted on bracket 3, the output end of speed reducer 5 is fixedly connected with driving gear 4；Synchronous motor 6 is mounted on bracket 3 same
The input terminal of the leading portion and speed reducer 5 that walk motor 6 is rotatablely connected；Absolute value encoder 7 is mounted on bracket 3, with synchronous motor
6 tail end rotation connection；Control assembly is communicated to connect with absolute value encoder 7, is electrically connected with synchronous motor 6.
The control assembly includes: synchronous motor driver 8, is electrically connected with synchronous motor 6, with absolute value encoder 7
Communication connection；PLC controller 9 is communicated to connect with synchronous motor driver 8.The synchronous motor driver 8 uses DSP core
Piece.
The communication output circuit of the synchronous motor driver 8 and PLC controller 9 are as follows: the output end of dsp chip with put
The input terminal connection of big device U1, the output end of amplifier U1 are connect with the first end of resistance R1；The second end and triode Q1 of R1
Base stage connection, the collector of Q1 connect with the cathode of diode D1；The emitter of Q1 is grounded；The first end of resistance R2 and three poles
The base stage of pipe Q1 connects, and the second end of resistance R2 is connect with the emitter of triode Q1；The anode of diode D1 is with resistance R3's
Second end connection, the first end of resistance R3 are connect with the anode of amplifier U1, and the anode of amplifier U1 connects+5V voltage source, amplification
The cathode of device U1 is grounded；The first end of capacitor C1 is grounded, and the second end resistance of capacitor C1 and the first end of R3 connect；Diode D1
Cathode connect with the cathode of photoelectrical coupler U2, the anode of device U1 is connect photoelectricity with the second end of resistance R4 once in a while, resistance R4
The first termination+5V voltage source；The emitter of the photistor of photoelectrical coupler U2 is grounded, the photosensitive crystalline substance of photoelectrical coupler U2
The collector of body pipe is connect with the communication ends of PLC controller 9.
The control structure that the utility model is proposed is to use servo synchronization motor driver 8+ speed reducer 5+ multi-turn 23
Absolute position encoder, by realizing the advantages of 23 absolute value encoders, control is steady, and positioning accuracy is high, real
Existing multistation angle control；It, can be with by installing high-precision 23 multi-turn absolute value encoders 7 in 6 tail portion of synchronous motor
Go out the relationship of disk position and motor operating by scale operation；It, can by the operating for the motor that synchronous motor driver 8 controls
To achieve the purpose that accurately to control turntable angle of operation.
This structure loads onto high-precision 23 absolute value encoders in traditional 6 tail portion of volume synchronous motor, by motor band
Dynamic speed reducer 5, then this wheel disc of the size of turntable is driven by speed reducer 5, so that turntable be pushed to rotate.
Since encoder is directly fixed on the tail portion motor shaft of motor, speed reducer 5 is also secured in the drive shaft of motor,
And the driving gear 4 of turntable is accurate pinion gear.Therefore, the operating angle of turntable can be judged by the angle that motor rotates
Degree.Simultaneously as turntable and motor are mechanical Hard link, in machine power down, if artificial rotation turntable, at this moment motor
Axis also can rotate, and the encoder for being mounted on motor tail portion will record lower rotation data.After standby device re-powers, driver is read
The data of encoder, using scale operation, so that it may judge the accurate location of turntable.
When needing turntable to operate, the angle for first needing to operate according to turntable, by gear mechanism, scale operation goes out motor
The circle number angle of operating；Good angle and enabling signal are issued synchronous motor driver 8, motor sync driver root by PLC
It is operated according to given instruction control motor and the data of reading encoder stops electricity compared with given data in real time when equal
Machine operating and lock out motor, while information in place is returned to PLC.
Output signal is used to indicate the operating status of current servo driver and the position information in place of encoder, and servo is driven
The signal that the dsp chip of dynamic device issues driving triode BC817 after the amplification of 74HC14 chip, controls optocoupler by triode
TLP127's opening and closing, while the break-make situation of sending and receiving light LED indication output optocoupler.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (4)
1. a kind of turntable control structure of vertical injection molding machine, turntable and bracket including vertical injection molding machine, which is characterized in that also wrap
It includes:
Disk gear is engaged with the turntable of vertical injection molding machine；
Gear is driven, is engaged with disk gear, for accurate pinion gear；
Speed reducer, rack-mount, the output end of speed reducer is fixedly connected with driving gear；
Synchronous motor, rack-mount, the leading portion of synchronous motor and the input terminal of speed reducer are rotatablely connected；
Absolute value encoder, it is rack-mount, it is rotatablely connected with the tail end of synchronous motor；
Control assembly is communicated to connect with absolute value encoder, is electrically connected with synchronous motor.
2. a kind of turntable control structure of vertical injection molding machine according to claim 1, which is characterized in that the control group
Part includes:
Synchronous motor driver is electrically connected with synchronous motor, is communicated to connect with absolute value encoder；
PLC controller is communicated to connect with synchronous motor driver.
3. a kind of turntable control structure of vertical injection molding machine according to claim 2, which is characterized in that described synchronizes electricity
Machine driver uses dsp chip.
4. a kind of turntable control structure of vertical injection molding machine according to claim 3, which is characterized in that described synchronizes electricity
The communication output circuit of machine driver and PLC controller are as follows:
The output end of dsp chip is connect with the input terminal of amplifier U1, and the output end of amplifier U1 and the first end of resistance R1 connect
It connects；The second end of R1 is connect with the base stage of triode Q1, and the collector of Q1 is connect with the cathode of diode D1；The emitter of Q1 connects
Ground；The first end of resistance R2 is connect with the base stage of triode Q1, and the second end of resistance R2 is connect with the emitter of triode Q1；Two
The anode of pole pipe D1 is connect with the second end of resistance R3, and the first end of resistance R3 is connect with the anode of amplifier U1, amplifier U1
Anode connect+5V voltage source, the cathode ground connection of amplifier U1；The first end of capacitor C1 is grounded, the second end and resistance of capacitor C1
The first end of R3 connects；The cathode of diode D1 is connect with the cathode of photoelectrical coupler U2, photoelectricity once in a while the anode of device U1 and electricity
Hinder the second end connection of R4, the first termination+5V voltage source of resistance R4；The emitter of the photistor of photoelectrical coupler U2 connects
Ground, the collector of the photistor of photoelectrical coupler U2 and the communication ends of PLC controller connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099077.7U CN209580414U (en) | 2019-01-22 | 2019-01-22 | A kind of turntable control structure of vertical injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099077.7U CN209580414U (en) | 2019-01-22 | 2019-01-22 | A kind of turntable control structure of vertical injection molding machine |
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| Publication Number | Publication Date |
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| CN209580414U true CN209580414U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920099077.7U Active CN209580414U (en) | 2019-01-22 | 2019-01-22 | A kind of turntable control structure of vertical injection molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319186A (en) * | 2020-03-24 | 2020-06-23 | 广东伊之密精密注压科技有限公司 | Backlash compensation device, multi-component injection molding machine and injection molding product production line |
| CN111673979A (en) * | 2020-06-28 | 2020-09-18 | 富强鑫（宁波）机器制造有限公司 | Turntable control mechanism of double-color injection molding machine |
-
2019
- 2019-01-22 CN CN201920099077.7U patent/CN209580414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319186A (en) * | 2020-03-24 | 2020-06-23 | 广东伊之密精密注压科技有限公司 | Backlash compensation device, multi-component injection molding machine and injection molding product production line |
| CN111673979A (en) * | 2020-06-28 | 2020-09-18 | 富强鑫（宁波）机器制造有限公司 | Turntable control mechanism of double-color injection molding machine |
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Address after: Room 101, Building 1, No. 100 Douwanqiao, Mojiaqiao Village, Tangqi Town, Linping District, Hangzhou City, Zhejiang Province, 310000 Patentee after: HANGZHOU WEILING AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 311100 501, Floor 5, Building 4, No. 493, Linping Avenue, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou, Zhejiang Patentee before: HANGZHOU WEILING AUTOMATION TECHNOLOGY Co.,Ltd. |