CN206186231U - Pay -off and metering device of little injection molding machine - Google Patents
Pay -off and metering device of little injection molding machine Download PDFInfo
- Publication number
- CN206186231U CN206186231U CN201621265892.9U CN201621265892U CN206186231U CN 206186231 U CN206186231 U CN 206186231U CN 201621265892 U CN201621265892 U CN 201621265892U CN 206186231 U CN206186231 U CN 206186231U
- Authority
- CN
- China
- Prior art keywords
- injection molding
- molding machine
- metering device
- micro
- feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model relates to an injection moulding machine, detailed design pay -off and metering device of little injection molding machine. The utility model discloses mainly solved injection molding machine measurement inaccuracy, the injection precision is not high, causes the problem of the waste of the polymer granule and the energy. The utility model discloses a feed cylinder, with the feed cylinder under the fixed connection of port department one -level metering mechanism, set up in the second grade metering mechanism of one -level metering mechanism discharge gate department and correspond the control section who is connected respectively with one -level metering mechanism and second grade metering mechanism. The beneficial effects of the utility model are that: the measurement is accurate, and the injection precision is high, avoids the waste of the polymer granule and the energy, unit of measurement includes one -level metering mechanism and second grade metering mechanism, realizes rough measurement back precise measurement's measurement process earlier, accuracy measurement result.
Description
Technical field
The utility model is related to injection moulding machine, and in particular to a kind of feeding of micro-injection molding machine and metering device.
Background technology
Micro-injection molding machine can realize the fusion plastification of polymer beads, and variously-shaped modeling is made using mould for plastics
The former of material products.Micro-injection molding machine is different from traditional injection machine, the size of miniature product often with um meterings, weight with
Mg is calculated, and traditional injection (mo(u)lding) machine cannot meet requirement of the micro injection molding to precision and quality of item, it is therefore desirable to special
Micro Injection Molding Machines.Traditional screw in injection molding machine feeding and metering device are only applicable to traditional injection machine, it is impossible to be applied to
Micro-injection molding machine.Micro-injection molding machine moulded products are smaller, it is necessary to molten polymer is less, and to realize high-precision control to injection volume,
So micro-injection molding machine needs to design accurate feeding and metering device, for injection machine provides accurate injection volume, it is ensured that shaping system
The precision of product, make melt polymerization composition granule be equal to moulded products needs polymer beads so that energy saving with avoid material
Waste.
The content of the invention
The utility model mainly provides a kind of injection machine that solves and measures inaccurate, and injection precision is not high, causes polymer particles
The feeding of the micro-injection molding machine of the waste of grain and the energy and metering device.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
Design feeding and the metering device of a kind of micro-injection molding machine, including barrel and be fixedly connected at barrel lower port
Level metrological service, two grades of metrological services for being arranged at one-level metrological service discharge outlet and counted with one-level metrological service and two grades
The control section that measuring mechanism is connected respectively.
Preferably, the one-level metrological service includes screw rod, the screw tube being placed in the screw flight portion and consolidates
The one end of Dingan County loaded on screw rod non-threaded, for the servomotor of drive screw turns；Screw tube is provided with upper and lower two sides
Screw tube charging aperture and screw tube discharging opening, the screw tube charging aperture is corresponding with barrel lower port to be fixedly connected, and screw tube goes out
Material mouth is one-level metrological service discharging opening.
Preferably, the threaded portion two ends of the screw tube inner screw are provided with bearing.
Preferably, decelerator is additionally provided with the screw rod, the screw rod is rigidly connected with decelerator.
Preferably, the servomotor is controlled to rotate by servo-driver, and the servo-driver is corresponding with control section
Connection.
Preferably, two grades of metrological services include being arranged at the barrel of weighing of one-level metrological service discharge outlet, are arranged at title
The sensor stand at the two ends of heavy burder cylinder porch, the weighing sensor that is arranged on sensor stand and it is arranged at material of weighing
The magnetic valve of cylinder lower end, the barrel upper end porch of weighing is provided with and is put in weighing sensor upper end for the barrel card that will weigh
Edge portion.
Preferably, two L-type parts are provided with the sensor stand, the weighing sensor is fixedly installed on two
The center of L-type member recess, the sensor stand is fixed in one-level metrological service.
Preferably, the weighing sensor periphery is provided with damper.
Preferably, the sensor stand is fixed in one-level metrological service by screw.
Preferably, the weighing sensor is fixed on two centers of L-type member recess by screw.
Preferably, the control section includes PLC chip；The PLC chip model siemens PLC SMART
PLC
Advantageous Effects of the present utility model are：
1. measure accurate, injection precision is high, it is to avoid the waste of polymer beads and the energy；Suitable for micro-injection molding machine, can
Ensure the accuracy of polymer metering, the need for moulded products, melt quantitative polymer beads, meet injection high accuracy
With the high-quality requirement of shaping.
2. measurement unit includes one-level metrological service and two grades of metrological services, realizes the meter of accurate measurement after first rough metering
Amount process, refines metric results, and charging basket polymer pellets inside is weighed in the guarantee of one-level metrological service will not be excessive, will not be because weighing
The generation of situations such as charging basket polymer pellets inside excessively causes injection rate inaccurate or damages weighing sensor by pressure；By PLC chip
The operating process of the precise control utility model, realizes the automation of operating process.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the screw rod in Fig. 1；
Fig. 3 is the structural representation of damper in Fig. 1；
Wherein, 1 it is barrel, 2 be screw tube, 3 be screw rod, 4 be sensor stand, 5 is weighing sensor, 6 to weigh material
Cylinder, 7 be magnetic valve, 8 be decelerator, 9 be servomotor, 10 be damper, 11 be bearing, 12 be screw.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples；
Embodiment 1：The feeding of micro-injection molding machine and metering device, as shown in FIG. 1 to 3, including barrel 1, one-level dosing machine
Structure, two grades of metrological services and the control section being connected respectively with one-level metrological service and two grades of metrological services.One-level meter
Measuring mechanism includes screw rod 3, screw tube 2, decelerator 8, servo-driver and servomotor 9；Screw tube 2 is placed on the screw thread of screw rod 3
In portion, the threaded portion two ends of the screw rod 3 in screw tube 2 are separately installed with bearing 11, and screw tube is provided with spiral shell in both sides about 2
Bar cylinder charging aperture and screw tube discharging opening, screw tube charging aperture is corresponding with the lower port of barrel 1 to be fixedly connected；Servomotor 9 is pacified
One end loaded on the non-threaded of screw rod 3, by servo driver drives, servo-driver can be real-time to servomotor 9 for servomotor 9
Control, response is fast, and control accuracy is high, can be with the number of turns of real-time control screw rod 3, and meeting metering of the screw rod 3 to polymer beads will
Ask.Being rigidly connected on screw rod 3 between servomotor 9 and screw tube 2 has decelerator 8, and decelerator 8 controls work by control section
Make.The feeding of one-level metering unit is to rotate to realize that polymer beads are fed forward by servomotor drive screw 3, through screw rod
Screw tube discharging opening on the downside of the front of cylinder 2 is dropped into weighs in barrel 6.The parameter of screw rod 3 mainly has pitch and spiral groove depth, can
The weight that a circle is fed forward polymer beads is rotated to calculate screw rod 3 according to specific pitch and spiral groove depth.
Two grades of metrological services include weighing and barrel 6, magnetic valve 7,4, two weighing sensors 5 of sensor stand and are placed on
The damper 10 of the periphery of weighing sensor 5；The feeding mouth of barrel 6 of weighing is correspondingly arranged in screw tube discharging opening, sensor stand 4
Positioned at the two ends of the feeding mouth of the upper end of barrel 6 of weighing, sensor stand 4 is fixed on screw tube by screw 12, sensor branch
Two L-type parts are provided with frame 4, two weighing sensors 5 are individually fixed in two centers of L-type member recess by screw
Place, the upper end feeding mouth edge of barrel 6 of weighing is provided with a circle and blocks the side being put on weighing sensor 5 for the barrel 6 that will weigh
Along portion；The periphery of weighing sensor 5 is cased with damper 10.The lower end exit of barrel 6 of weighing is provided with magnetic valve 7, the lower end of magnetic valve 7
Feed pipe with plasticizing chamber be connected.Two grades of metrological services are when mounted, it should be noted that reduce screw tube 2 and barrel 6 of weighing as far as possible
Vertical distance, reduction falls into interference of the polymer beads weighed in barrel 6 to the detected value of weighing sensor 5；And damper 10
Also damping, buffering is played, when the vibration for falling into the symmetrical heavy burder cylinder 6 of the polymer beads reduction weighed in barrel 6, reduction falls
Enter to weigh the influence of the polymer beads to the detected value of weighing sensor 5 of barrel 6.
Control unit includes PLC chip, and model siemens PLC SMART PLC, PLC chip is driven with servo respectively
Dynamic device, magnetic valve 7, decelerator 8, the correspondence of weighing sensor 5 are connected；PLC chip controls servo by controlling servo-driver
Motor 9, servomotor 9 drives screw rod 3 to rotate, so that the rotating speed of regulating screw 3, PLC chip sets servo-driver to be had quickly
Two kinds of speed at a slow speed；When screw rod 3 slows down, PLC chip can be slowed down by controlling decelerator 8 for screw rod 3, be easy to accurate meter
Amount, decelerator 8 can utilize its two-stage gear reduction, the need for the rotating speed of screw rod 3, design suitable decelerator speed reducing ratio；
PLC chip controls the opening and closing of magnetic valve 7；The PLC that the weight of the polymer that the moment of weighing sensor 5 will claim sends to
Chip, the control in order to PLC to servo-driver and decelerator etc..If measuring polymer beads of different shapes, root
Size according to polymer beads changes the parameter of screw rod 3, calculates screw rod 3 and rotates the polymer beads weight that a circle is fed forward,
Screw rod 3 is rotated a circle calculated value to be input in PLC, the number of turns that then PLC is rotated according to screw rod 3 calculates screw rod 3 and is fed forward
Polymer beads weight.
The feeding of the micro-injection molding machine and the working method of metering device are：It is suitable according to the selection of polymer beads size first
The screw rod 3 of pitch and spiral groove depth, calculates the circle of the rotation of screw rod 3 one and is fed forward polymer according to specific pitch and spiral groove depth
Screw rod 3, is rotated a circle calculated value and is input in PLC by the weight of particle；The appropriate speed control journey of two-stage is set in PLC
Sequence, such as middling speed and two kinds at a slow speed；By in polymer feeding barrel 1, PLC chip is by controlling servo driver drives servomotor
9,9 drive screw of servomotor 3 is rotated and realizes that polymer beads are fed forward, and is dropped into through the opening on the downside of the front of screw tube 2
Weigh in barrel 6, the number of turns that PLC chip is rotated by screw rod 3 realizes that the one-level for calculating polymer beads is measured roughly；Polymerization
After composition granule by measuring for the first time, drop into and weigh in barrel 6, carry out secondary measurement, fall into the polymerization weighed in barrel 6
Composition granule is detected that two weighing sensors 5 detect the weight of barrel 6 of weighing, then weighing sensor 5 by weighing sensor 5
Data by PLC chip change, subtract the weight of weigh barrel 6 and magnetic valve 7, obtain the weight of actual polymer beads
Amount.The weight of polymer beads is needed according to moulded plastic products, PLC chip is arranged on polymer beads gravimetric value is needed
In.Screw rod 3 is fed forward during beginning is run with middling speed, and weighing sensor 5 can in real time obtain the detected value of polymer beads, when
The detected value of weighing sensor 5 in arranges value scope, the slow rotation of servomotor drive screw 3.When the detection of weighing sensor 5
When value is equal to arranges value, PLC sends instruction to servomotor and magnetic valve 7, servomotor 9 is stopped operating, magnetic valve 7 dozens
Open, polymer beads drop into plasticizing chamber through magnetic valve 7.
The utility model is described in detail above in conjunction with drawings and Examples, but, the skill of art
Art personnel, can also be specific to each in above-described embodiment it is understood that on the premise of the utility model objective is not departed from
Parameter is changed, and forms multiple specific embodiments, is common excursion of the present utility model, no longer detailed one by one herein
State.
Claims (9)
1. a kind of feeding of micro-injection molding machine and metering device, it is characterized by, including barrel be fixedly connected at barrel lower port
One-level metrological service, two grades of metrological services for being arranged at one-level metrological service discharge outlet and with one-level metrological service and two grades
The control section that metrological service is connected respectively.
2. the feeding of micro-injection molding machine according to claim 1 and metering device, it is characterized by, the one-level metrological service bag
Screw rod, the screw tube being placed in the screw flight portion and the one end for being fixedly installed in screw rod non-threaded are included, for driving
The servomotor that screw rod is rotated；Screw tube charging aperture and screw tube discharging opening, the spiral shell are provided with the upper and lower two sides of screw tube
Charging aperture is corresponding with barrel lower port is fixedly connected for bar cylinder, and screw tube discharging opening is one-level metrological service discharging opening.
3. the feeding of micro-injection molding machine according to claim 2 and metering device, it is characterized by, the screw tube inner screw
Threaded portion two ends are provided with bearing.
4. the feeding of micro-injection molding machine according to claim 2 and metering device, it is characterized by, it is additionally provided with the screw rod
Decelerator, the screw rod is rigidly connected with decelerator.
5. the feeding of micro-injection molding machine according to claim 2 and metering device, it is characterized by, the servomotor is by servo
Driver control is rotated, servo-driver connection corresponding with control section.
6. the feeding of micro-injection molding machine according to claim 1 and metering device, it is characterized by, two grades of metrological services include setting
The barrel of weighing of one-level metrological service discharge outlet is placed in, the sensor stand at two ends at barrel inlet of weighing is arranged at, is set
In the weighing sensor on sensor stand and it is arranged at the magnetic valve of barrel lower end of weighing, end entrance on the barrel of weighing
Place is provided with the edge portion for barrel card of weighing to be put in weighing sensor upper end.
7. the feeding of micro-injection molding machine according to claim 6 and metering device, it is characterized by, set on the sensor stand
Two L-type parts are equipped with, the weighing sensor is fixedly installed on two centers of L-type member recess, the sensor branch
Frame is fixed in one-level metrological service.
8. the feeding of micro-injection molding machine according to claim 7 and metering device, it is characterized by, the weighing sensor periphery
It is provided with damping device.
9. the feeding of micro-injection molding machine according to claim 1 and metering device, it is characterized by, the control section includes
PLC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265892.9U CN206186231U (en) | 2016-11-24 | 2016-11-24 | Pay -off and metering device of little injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621265892.9U CN206186231U (en) | 2016-11-24 | 2016-11-24 | Pay -off and metering device of little injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186231U true CN206186231U (en) | 2017-05-24 |
Family
ID=58724618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621265892.9U Expired - Fee Related CN206186231U (en) | 2016-11-24 | 2016-11-24 | Pay -off and metering device of little injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521059A (en) * | 2017-07-31 | 2017-12-29 | 西安理工大学 | Vacuum impregnating molding machine high viscosity fluid metering device |
| CN110103402A (en) * | 2019-05-29 | 2019-08-09 | 中南大学 | Ultrasonic plasticizing system charging pressure assembly |
-
2016
- 2016-11-24 CN CN201621265892.9U patent/CN206186231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521059A (en) * | 2017-07-31 | 2017-12-29 | 西安理工大学 | Vacuum impregnating molding machine high viscosity fluid metering device |
| CN110103402A (en) * | 2019-05-29 | 2019-08-09 | 中南大学 | Ultrasonic plasticizing system charging pressure assembly |
| CN110103402B (en) * | 2019-05-29 | 2022-03-11 | 中南大学 | Feeding and pressurizing assembly for ultrasonic plasticizing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206186231U (en) | Pay -off and metering device of little injection molding machine | |
| CN102285080A (en) | Control device for injection moulding machine provided with plasticizing state monitoring unit | |
| CN106743183A (en) | A kind of neodymium-iron-boron powder vibrating material feeding device and gravity system | |
| CN204137341U (en) | A kind of rotating disc type many scales gauging device | |
| CN206288262U (en) | Racking machine and sub-packaging system | |
| WO2012098603A1 (en) | Weighing device | |
| CN109367839A (en) | A kind of modified plastics particle high speed high-precision packing scale | |
| CN201552688U (en) | Powder measuring and conveying device | |
| CN204881831U (en) | Auxiliary device that accuracy is weighed | |
| CN2934076Y (en) | Volume adjustable metering device | |
| CN103587737A (en) | High-speed rationed packing scale | |
| CN202388769U (en) | Full-automatic metering charging device for plastic pipe extruder | |
| CN205168953U (en) | Novel powder, granule packagine machine | |
| CN2839115Y (en) | Bulk materials packing machine metering feeding device capable of regulating quantity of the material fed | |
| CN208568040U (en) | The micro- weigher of fiber | |
| CN205087170U (en) | Accurate device that fills of powder | |
| CN210479095U (en) | Liquid filling machine with function of weighing | |
| CN209097051U (en) | A kind of modified plastics particle high speed high-precision packing scale | |
| CN208326525U (en) | A kind of micro-ingredients device being reduced Weighing | |
| CN209759534U (en) | Sizing and feeding metering device | |
| CN201841692U (en) | Automatic charging system of press | |
| CN202279541U (en) | High-absorption resin particle feeding device | |
| CN216440586U (en) | Feeding mechanism of powder modification production line | |
| CN108639782B (en) | A kind of material dosing add-on system | |
| CN203638124U (en) | High-speed quantitative packing balance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171124 |