CN208035158U - A kind of injection molding machine with waste recovery - Google Patents
A kind of injection molding machine with waste recovery Download PDFInfo
- Publication number
- CN208035158U CN208035158U CN201820008895.7U CN201820008895U CN208035158U CN 208035158 U CN208035158 U CN 208035158U CN 201820008895 U CN201820008895 U CN 201820008895U CN 208035158 U CN208035158 U CN 208035158U
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- China
- Prior art keywords
- hopper
- hot
- molding machine
- machine
- dryer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model is related to injection molding apparatus fields, disclose a kind of injection molding machine with waste recovery, including molding machine, the first hopper, Material sucking machine and Hopper Dryer, first hopper is vertically set on molding machine to be fed for molding machine, the upper end of first hopper is provided with inlet scoop, inlet scoop is circumscribed with aspiration channel and is connected with Material sucking machine by aspiration channel, vacuum blower is provided in Material sucking machine, the side of first hopper offers material sucking port, material sucking port is connected by suction tube with the discharge port of Hopper Dryer, and the upper end of Hopper Dryer is fixed with the second hopper；Second hopper and the first hopper construction are identical, and the feed inlet of the second hopper is circumscribed with hopper by the second suction tube, and discharge port is connected to Hopper Dryer, and the second hopper is external to by the second aspiration channel on Material sucking machine.The advantages that present apparatus has high degree of automation, and drying effect is good, and resource utilization is high, good energy-conserving effect.
Description
Technical field
The utility model is related to injection molding apparatus fields, more particularly to a kind of injection molding machine with waste recovery.
Background technology
Plastic pellet is the primary raw material for manufacturing plastic products, and plastic pellet easily absorbs moisture, forms pimple, using making moist
Plastic pellet made of plastic products quality can be substantially reduced, and there is certain injury to injection molding machine, therefore, plastic pellet exists
Into before injection molding machine, plastic pellet need to be dried by drying program, remove containing moisture.Common drying machine uses
Thermal cycle principle dries plastic pellet, insufficient to plastic pellet drying using the drying machine of this principle, makes plastic pellet
Moisture be unable to fully drying, energy consumption is big, and utilization rate is low.And traditional Hopper Dryer calor innatus blast takes seriously,
Resource consumption is big.And temperature and intake control are inaccurate.And traditional injection molding machine feed is inaccurate, the degree of automation
It is low.
Will produce more waste product in injection molding process, waste product needs re-work utilizations, the processing of traditional waste material and
Entire injection molding machine is to separate to carry out being used as raw material to carry out feed supplement in time, and the degree of automation is relatively low.
Utility model content
The utility model is directed to the shortcomings of existing in the prior art, provides a kind of injection molding machine with waste recovery.
In order to solve the above technical problems, the utility model is addressed by following technical proposals：
A kind of injection molding machine with waste recovery, including molding machine, the first hopper, Material sucking machine and Hopper Dryer, first
Hopper is vertically set on molding machine to be fed for molding machine, and the upper end of the first hopper is provided with inlet scoop, and inlet scoop is circumscribed with suction
Air hose and it is connected with Material sucking machine by aspiration channel, vacuum blower is provided in Material sucking machine, the side of the first hopper offers suction
Mouthful, material sucking port is connected by suction tube with the discharge port of Hopper Dryer, and the first hopper includes storage vat, and the bottom of storage vat is set
It is equipped with feeding plate and microswitch, feeding plate is rotatably arranged on the switch of the bottom control storage vat discharge port of storage vat,
Vacuum blower, which operates at, generates vacuum in storage vat, so that feeding plate is moved upwards the discharge port for closing storage vat, close vacuum wind
Machine, feeding plate are conducting oneself with dignity and are rotating down the discharge port for opening storage vat under raw material gravity, and microswitch is stored up for detecting
Whether without material in charging basket；Hopper Dryer includes Hopper Dryer ontology and the sirocco reclamation dress of connection hopper drying machine body
It sets, the upper end of Hopper Dryer is fixed with the second hopper；Second hopper and the first hopper construction are identical, the feed inlet of the second hopper
It is circumscribed with hopper by the second suction tube, discharge port is connected to Hopper Dryer, and the second hopper is external to suction by the second aspiration channel
On material machine, vacuum blower is provided on hopper, hopper is circumscribed with waste material recovery device, waste material recovery device by third suction tube
Including crusher and deduster；Hopper Dryer includes the sirocco reclamation of Hopper Dryer ontology and connection hopper drying machine body
Device, Hopper Dryer ontology include dry bucket, are provided with dismountable bung at the top of dry bucket, air draft is provided on bung
The side wall of pipe, exhaust duct offers moisture exhausting port, and the bottom of dry bucket is provided with shield screen device, and the shape of shield screen device is the cone to stand upside down
Shape, the inner cavity of shield screen device and dry bucket inside are connected to；It is provided with hot blast pipe on the outside of shield screen device, one end of hot blast pipe is connected to shield
Shield the inside of device, the other end is connected with wind turbine and is connected to the air outlet of wind turbine, and shield screen device is internally provided with hole screen device；Hot wind
Electric heater unit and controller are provided on the outside of pipe, hot blast pipe is internally provided with temperature sensor, temperature sensor and control
Device processed is connected by conducting wire, and hot air recovery includes staving, and the lateral wall of staving is provided with hot wind inlet, and one end of staving is opened
Equipped with hot-blast outlet, the other end of staving, which is provided with, mends wind regulating mechanism, and staving is internally provided with filter, and hot wind inlet is logical
Piping is connected to exhaust duct, and hot-blast outlet is connected to the return air inlet of wind turbine；The side of wind turbine offers the first of fixed fan housing
One end of fastener hole, staving is provided with fastening plate, and hot-blast outlet setting offers and the first fastening in fastening plate, in fastening plate
Corresponding second fastener hole in hole；It includes fan housing to mend wind regulating mechanism, and fan housing is detachably mounted to the staving other end, is set on fan housing
It is equipped with third fastener hole corresponding with the first fastener hole, is opened up on fan housing there are three fan-shaped air inlet, the inside of fan housing is arranged
There is adjustment disk, adjustment disk to match with the fan housing end surface shape for offering air inlet, opened up on adjustment disk there are three and air inlet
The spaced openings that shape matches form the adjustment sheet for blocking air inlet between spaced openings, are provided with and turn in the middle part of adjustment disk
Axis, shaft and fan housing rotatable connection are provided on adjustment sheet and stir column, and the outer edge of air inlet offers scale.
Preferably, further including movable stand, movable stand includes mobile platform, and the installation of prismoid shaped is provided on mobile platform
The bottom of platform, shield screen device is provided with mounting plate, and Hopper Dryer ontology is fixed on by mounting plate on movable stand, mobile platform
On be provided with idler wheel.
Preferably, the sliding chamber of inner wall setting of hot blast pipe, side of the sliding chamber far from hot wind pipe outer wall offers straight along sliding chamber
The outer wall of the notch in line direction, hot blast pipe offers mounting hole, and mounting hole is connected to sliding chamber, and temperature sensor includes mounting bracket,
The cross section of mounting bracket is " I " fonts, and mounting bracket includes the first mounting plate for being plugged on sliding intracavitary, the on the outside of notch
Two mounting plates and the connecting plate that the first mounting plate, the second mounting plate are connected across notch.
The utility model uses above-mentioned technical proposal, has the advantages that：
Injection molding machine provided by the utility model has many advantages, such as integration degree height, high degree of automation.And it entirely supplies
Expect that process control is stablized, raw material drying is more preferable so that molding effect is more preferable.Suction is carried out using vacuum mode, ensure that suction
Material is not in catching phenomenon, and is fed rapid.And injection molding machine has the function of that waste recovery utilizes, and has saved resource,
High degree of automation.
Hopper Dryer has drying effect good simultaneously, and hot air recovery is integrated with filtering function, while to heat
Wind is recycled, and reduces its influence to room temperature, and heat is recycled more energy saving, and heat is for passing through hot wind
The wind heating of pipe faster, ensure that the stabilization of dry temperature within the barrel.Intake, Er Qiexin is adjusted by adjustment disk in air inlet
Into wind can also be filtered so that the wind of whole process more cleans.
Description of the drawings
Fig. 1 is the overall structure diagram of device；
Fig. 2 is the structural schematic diagram of the first hopper；
Fig. 3 is the overall structure diagram of Hopper Dryer；
Fig. 4 is the structural schematic diagram of hot air recovery；
Fig. 5 is the explosive view of Fig. 4；
Fig. 6 is the structural schematic diagram of fastening plate；
Fig. 7 is the scheme of installation of temperature sensor；
Fig. 8 is the structural schematic diagram of movable stand.
The toponym that each number designation is referred in attached drawing is as follows：10 1 Hopper Dryer ontologies, 20 1 sirocco reclamations
Device, 21 1 drying buckets, 22 1 bungs, 23 1 exhaust ducts, 24 1 moisture exhausting ports, 25 1 shield screen devices, 26 1 wind turbines, 28 1 hole screens
Device, 30 1 controllers, 31 1 stavings, 32 1 hot wind inlets, 33 1 hot-blast outlets, 41 1 mend wind regulating mechanisms, 34 1 filters,
35 1 fastening plates, the 36 one the first fastener holes, 37 1 fan housings, 38 1 air inlets, 39 1 adjustment sheets, 40 1 shafts, 42 1 movements
Chamber, 51 1 notches, 52 1 installations are slided in frame, 43 1 mobile platforms, 44 1 mounting platforms, 45 1 mounting plates, 46 1 hot blast pipes, 50 1
Hole, 60 1 temperature sensors, 61 1 mounting brackets, the 62 one the first mounting plates, the 63 one the second mounting plate, 64 1 connecting plates, 100 1
Molding machine, the 101 one the first hopper, 102 1 Material sucking machines, 103 1 Hopper Dryers, 104 1 aspiration channels, 105 1 suction tubes, 106
One storage vat, 107 1 feeding plates, 108 1 microswitches.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figures 1 to 8, including molding machine 100, the first hopper 101, Material sucking machine 102 and Hopper Dryer 103,
One hopper 101 is vertically set on molding machine 100 to be fed for molding machine 100, and the upper end of the first hopper 101 is provided with inlet scoop,
Inlet scoop is circumscribed with aspiration channel 104 and is connected with Material sucking machine 102 by aspiration channel 104, and vacuum wind is provided in Material sucking machine 102
The side of machine, the first hopper 101 offers material sucking port, the discharge port phase that material sucking port passes through suction tube 105 and Hopper Dryer 103
Even, the first hopper 101 includes storage vat 106, and the bottom of storage vat 106 is provided with feeding plate 107 and microswitch 108, blanking
Plate 107 is rotatably arranged on the switch of bottom control 106 discharge port of storage vat of storage vat 106, and vacuum blower operates at storage
Vacuum is generated in charging basket 106, feeding plate 107 is made to move upwards the discharge port for closing storage vat 106, closes vacuum blower, blanking
Plate 107 is conducting oneself with dignity and is rotating down the discharge port for opening storage vat 106 under raw material gravity, and microswitch 108 is for detecting
Whether without material in storage vat 106；Hopper Dryer 103 includes 103 ontology 10 of Hopper Dryer and connection Hopper Dryer 103
The upper end of the hot air recovery 20 of body 10, Hopper Dryer 103 is fixed with the second hopper 200；Second hopper 200 and the first material
101 structures that struggle against are identical, and the feed inlet of the second hopper 200 is circumscribed with hopper 202, discharge port connection material by the second suction tube 201
Struggle against drying machine 103, and the second hopper 200 is external to by the second aspiration channel 203 on Material sucking machine 102, is provided on hopper 202 true
Empty wind turbine, hopper 202 are circumscribed with waste material recovery device 205 by third suction tube 204, and waste material recovery device 205 includes broken
Machine and deduster 206, Hopper Dryer ontology 10 include dry bucket 21, and the top of dry bucket 21 is provided with dismountable bung
22, exhaust duct 23 is provided on bung 22, the side wall of exhaust duct 23 offers moisture exhausting port 24, and the bottom of dry bucket 21 is provided with
The shape of shield screen device 25, shield screen device 25 is the taper to stand upside down, and the inner cavity of shield screen device 25 is connected to 21 inside of dry bucket；Shield screen device 25
Outside be provided with hot blast pipe 46, one end of hot blast pipe 46 is connected to the inside of shield screen device 25, the other end be connected with wind turbine 26 and
It is connected to the air outlet of wind turbine 26, shield screen device 25 is internally provided with hole screen device 28；The outside of hot blast pipe 46 is provided with electrical heating
Device and controller 30, hot blast pipe 46 are internally provided with temperature sensor 60, and temperature sensor 60 and controller 30 are by leading
Line is connected, and hot air recovery 20 includes staving 31, and the lateral wall of staving 31 is provided with hot wind inlet 32, one end of staving 31
Hot-blast outlet 33 is offered, the other end of staving 31, which is provided with, mends wind regulating mechanism 41, and staving 31 is internally provided with filter
34, hot wind inlet 32 is connected to by pipeline with exhaust duct 23, and hot-blast outlet 33 is connected to the return air inlet of wind turbine 26；Wind turbine 26
Side offers the first fastener hole 36 of fixed fan housing 37, and one end of staving 31 is provided with fastening plate 35, and hot-blast outlet 33 is arranged
In fastening plate 35, second fastener hole corresponding with the first fastener hole 36 is offered in fastening plate 35；Wind regulating mechanism 41 is mended to wrap
Fan housing 37 is included, fan housing 37 is detachably mounted to 31 other end of staving, is provided on fan housing 37 corresponding with the first fastener hole 36
Third fastener hole opens up on fan housing 37 there are three fan-shaped air inlet 38, and the inside of fan housing 37 is provided with adjustment disk 70, adjustment disk
70 match with 37 end surface shape of fan housing for offering air inlet 38, opened up on adjustment disk 70 there are three with 38 shape phase of air inlet
Matched spaced openings 72 form the adjustment sheet 39 for blocking air inlet 38, the middle part setting of adjustment disk 70 between spaced openings 72
There is a shaft 40, the 37 rotatable connection of shaft 40 and fan housing is provided on adjustment sheet 39 and stirs column, and the outer edge of air inlet 38 is opened
Equipped with scale.Further include movable stand 42, movable stand 42 includes mobile platform 43, and the peace of prismoid shaped is provided on mobile platform 43
The bottom of assembling platform 44, shield screen device 25 is provided with mounting plate 45, and Hopper Dryer ontology 10 is fixed on movement by mounting plate 45
On frame 42, idler wheel is provided on mobile platform 43.
The sliding chamber 50 of inner wall setting of hot blast pipe 46, side of the sliding chamber 50 far from 46 outer wall of hot blast pipe offers straight along sliding chamber 50
The outer wall of the notch 51 in line direction, hot blast pipe 46 offers mounting hole 52, and mounting hole 52 is connected to sliding chamber 50, temperature sensor 60
Including mounting bracket 61, the cross section of mounting bracket 61 is " I " fonts, and mounting bracket 61 includes the first installation being plugged in sliding chamber 50
Plate 62 connects the first mounting plate 62, the second mounting plate 63 positioned at second mounting plate 63 in 51 outside of notch and across notch 51
Connecting plate 64；The threaded hole coordinated with mounting hole 52 is offered on first mounting plate 62.
For waste material after crusher in crushing, deduster 206 is collected the useless end of generation and dust, is then turned on barrel
Vacuum blower the processing waste material in waste material recovery device 205 is collected, using as stock use.It is then turned on Material sucking machine
102 vacuum blower, the second hopper 200 adsorb the raw material in hopper 202, are then shut off Material sucking machine 102, raw material enters dry bucket
It is dried by hot air recovery 20 in 21；When needing to be processed, Material sucking machine 102 is opened, the first hopper 101 carries out
Suction when suction is completed, closes Material sucking machine 102, and material enters molding machine 100 and carries out injection molding.In the process, it is clear that suction
Machine 102 is knockdown or two, corresponds to 101 and second hopper 200 of mating first hopper respectively.
Molding machine is provided with counterbalance valve, and counterbalance valve is arranged at back pressure, ensures that entire oil circuit goes out oil pressure and is in normal water
It is flat, it ensure that the safety of equipment.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (4)
1. a kind of injection molding machine with waste recovery, it is characterised in that：Including molding machine (100), the first hopper (101), suction
Machine (102) and Hopper Dryer (103), the first hopper (101) is vertically set on molding machine (100) to be supplied for molding machine (100)
Material, the upper end of the first hopper (101) are provided with inlet scoop, inlet scoop be circumscribed with aspiration channel (104) and by aspiration channel (104) with
Material sucking machine (102) is connected, and vacuum blower is provided in Material sucking machine (102), and the side of the first hopper (101) offers material sucking port,
Material sucking port is connected by suction tube (105) with the discharge port of Hopper Dryer (103), and the first hopper (101) includes storage vat
(106), the bottom of storage vat (106) is provided with feeding plate (107) and microswitch (108), and feeding plate (107) is rotatable to be set
It sets and controls the switch of storage vat (106) discharge port in the bottom of storage vat (106), vacuum blower operates in storage vat (106)
Vacuum is generated, feeding plate (107) is made to move upwards the discharge port for closing storage vat (106), closes vacuum blower, feeding plate
(107) conducting oneself with dignity and rotating down the discharge port for opening storage vat (106) under raw material gravity, microswitch (108) is used for
It whether detects in storage vat (106) without material；Hopper Dryer (103) includes Hopper Dryer (103) ontology (10) and binder
The hot air recovery (20) of bucket drying machine (103) ontology (10), the upper end of Hopper Dryer (103) is fixed with the second hopper
(200)；Second hopper (200) is identical with the first hopper (101) structure, and the feed inlet of the second hopper (200) passes through the second suction
Pipe (201) is circumscribed with hopper (202), and discharge port is connected to Hopper Dryer (103), and the second hopper (200) passes through the second aspiration channel
(203) it is external on Material sucking machine (102), vacuum blower is provided on hopper (202), hopper (202) passes through third suction tube
(204) it is circumscribed with waste material recovery device (205), waste material recovery device (205) includes crusher and deduster (206).
2. a kind of injection molding machine with waste recovery according to claim 1, it is characterised in that：Hopper Dryer (103)
Ontology (10) includes dry bucket (21), is provided with dismountable bung (22) at the top of dry bucket (21), bung is arranged on (22)
There are exhaust duct (23), the side wall of exhaust duct (23) to offer moisture exhausting port (24), the bottom of dry bucket (21) is provided with shield screen device
(25), the shape of shield screen device (25) is the taper to stand upside down, is connected to inside the inner cavity of shield screen device (25) and dry bucket (21)；Shield screen device
(25) hot blast pipe (46) is provided on the outside of, one end of hot blast pipe (46) is connected to the inside of shield screen device (25), other end connection
There is wind turbine (26) and be connected to the air outlet of wind turbine (26), shield screen device (25) is internally provided with hole screen device (28)；Hot blast pipe
(46) electric heater unit and controller (30) are provided on the outside of, hot blast pipe (46) is internally provided with temperature sensor (60),
Temperature sensor (60) is connected with controller (30) by conducting wire, and hot air recovery (20) includes staving (31), staving (31)
Lateral wall be provided with hot wind inlet (32), one end of staving (31) offers hot-blast outlet (33), the other end of staving (31)
Be provided with and mend wind regulating mechanism (41), staving (31) is internally provided with filter (34), hot wind inlet (32) by pipeline and
Exhaust duct (23) is connected to, and hot-blast outlet (33) is connected to the return air inlet of wind turbine (26)；The side of wind turbine (26) offers fixed wind
First fastener hole (36) of (37) is covered, one end of staving (31) is provided with fastening plate (35), and hot-blast outlet (33) setting is fastening
On disk (35), the second fastener hole corresponding with the first fastener hole (36) is offered in fastening plate (35)；Mend wind regulating mechanism (41)
Including fan housing (37), fan housing (37) is detachably mounted to staving (31) other end, is provided on fan housing (37) and the first fastening
The corresponding third fastener hole in hole (36) opens up on fan housing (37) there are three fan-shaped air inlet (38), and fan housing is set on the inside of (37)
It is equipped with adjustment disk (70), adjustment disk (70) matches with fan housing (37) end surface shape for offering air inlet (38), adjustment disk
(70) it is opened up on there are three the spaced openings (72) that match with air inlet (38) shape, is formed between spaced openings (72) for blocking
The adjustment sheet (39) of air inlet (38) is provided with shaft (40) in the middle part of adjustment disk (70), and shaft (40) and fan housing (37) can revolve
The connection turned is provided on adjustment sheet (39) and stirs column, and the outer edge of air inlet (38) offers scale.
3. a kind of injection molding machine with waste recovery according to claim 2, it is characterised in that：It further include movable stand
(42), movable stand (42) includes mobile platform (43), and the mounting platform (44) of prismoid shaped, shield screen are provided on mobile platform (43)
The bottom of device (25) is provided with mounting plate (45), and Hopper Dryer (103) ontology (10) is fixed on movement by mounting plate (45)
On frame (42), mobile platform is provided with idler wheel on (43).
4. a kind of injection molding machine with waste recovery according to claim 1, it is characterised in that：The inner wall of hot blast pipe (46)
The sliding chamber (50) of setting, sliding side of the chamber (50) far from hot blast pipe (46) outer wall offer the notch along sliding chamber (50) rectilinear direction
(51), the outer wall of hot blast pipe (46) offers mounting hole (52), and mounting hole (52) is connected to sliding chamber (50), temperature sensor (60)
Including mounting bracket (61), the cross section of mounting bracket (61) is " I " fonts, and mounting bracket (61) includes being plugged in sliding chamber (50)
First mounting plate (62), be located at notch (51) on the outside of the second mounting plate (63) and across notch (51) connect the first mounting plate
(62), the connecting plate (64) of the second mounting plate (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008895.7U CN208035158U (en) | 2018-01-03 | 2018-01-03 | A kind of injection molding machine with waste recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008895.7U CN208035158U (en) | 2018-01-03 | 2018-01-03 | A kind of injection molding machine with waste recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208035158U true CN208035158U (en) | 2018-11-02 |
Family
ID=63956301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820008895.7U Expired - Fee Related CN208035158U (en) | 2018-01-03 | 2018-01-03 | A kind of injection molding machine with waste recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208035158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484876A (en) * | 2018-11-27 | 2019-03-19 | 中国科学院合肥物质科学研究院 | Soil blanking device |
| CN112549768A (en) * | 2020-10-24 | 2021-03-26 | 郑州佳佳印务有限公司 | Automatic powder spraying system for printing machine paper |
-
2018
- 2018-01-03 CN CN201820008895.7U patent/CN208035158U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484876A (en) * | 2018-11-27 | 2019-03-19 | 中国科学院合肥物质科学研究院 | Soil blanking device |
| CN112549768A (en) * | 2020-10-24 | 2021-03-26 | 郑州佳佳印务有限公司 | Automatic powder spraying system for printing machine paper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20220103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |