CN112643933A - Masterbatch production is with having efficient feed arrangement - Google Patents

Masterbatch production is with having efficient feed arrangement Download PDF

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Publication number
CN112643933A
CN112643933A CN202011326095.8A CN202011326095A CN112643933A CN 112643933 A CN112643933 A CN 112643933A CN 202011326095 A CN202011326095 A CN 202011326095A CN 112643933 A CN112643933 A CN 112643933A
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CN
China
Prior art keywords
fixedly connected
air pump
raw material
air
shell
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.)
Pending
Application number
CN202011326095.8A
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Chinese (zh)
Inventor
庞晓阳
庞克珍
王恩山
孙廷政
信建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Longtuo New Material Co ltd
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Shandong Longtuo New Material Co ltd
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Publication date
Application filed by Shandong Longtuo New Material Co ltd filed Critical Shandong Longtuo New Material Co ltd
Priority to CN202011326095.8A priority Critical patent/CN112643933A/en
Publication of CN112643933A publication Critical patent/CN112643933A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/10Feeding of the material to be moulded, e.g. into a mould cavity of several materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/10Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses a feeding device with high efficiency for color master batch production, which belongs to the field of color master batch production, and comprises a shell, wherein the top of the shell is fixedly connected with a fixed rod, the top of the fixed rod is fixedly connected with an air pump mounting frame, the inside of the air pump mounting frame is fixedly connected with an air pump, one side of the air pump is fixedly connected with an air pipe interface, the outer surface of the air pipe interface is sleeved with an air pipe, the outer surface of the air pipe is fixedly connected with an adjusting valve, and the inside of the shell is; according to the invention, through the arrangement of the air pump, the air pipes and the regulating valve, a worker opens the air pump, the air pump inflates the interior of the raw material bin through the four air pipes, the air pressure in the raw material bin is improved, the discharging speed of the raw material bin is faster, the working efficiency of the device is improved, and the worker adjusts the regulating valve to control the air pressure in each raw material bin according to actual conditions, so that raw materials flow out according to an appointed proportion, thus the working efficiency of the device is improved, and the raw materials are more in line with requirements.

Description

Masterbatch production is with having efficient feed arrangement
Technical Field
The invention relates to the field of masterbatch production, in particular to a feeding device with high efficiency for masterbatch production.
Background
The color master batch is called color master batch, also called color species, is a novel special colorant for high polymer materials, also called pigment preparation, the color master is mainly used on plastics, the color master batch is composed of three basic elements of pigment or dye, carrier and additive, the color master batch is an aggregate prepared by uniformly loading an excessive amount of pigment in resin, and called pigment concentrate, so the coloring power of the color master batch is higher than that of the pigment, a small amount of color master batch is mixed with uncolored resin during processing, colored resin or products with designed pigment concentration can be obtained, the color master batch is widely used in polyethylene, polypropylene, polystyrene, ABS, nylon, PC, PMMA, PET and other resins, and colorful agricultural fibers, clothes, daily plastics, electric wires and cables, household appliances, household appliance films, automobile accessories, health care instruments and other products are produced, the color master batch enables the pigment to have better dispersibility in the product and needs to be refined in the color master batch production process, the special color master batch has the advantages that the dispersibility and the tinting strength of the pigment are improved, the carrier of the special color master batch is the same as the plastic of the product, the matching performance is good, and the pigment particles can be well dispersed in the plastic of the product after being heated and melted.
Most of feeding devices for color masterbatch production on the market mix all raw materials together directly, so that the raw materials need to be fully stirred, if the raw materials are not uniformly stirred, a large amount of defective products can be generated, but the raw materials are uniformly stirred for a large amount of time, so that the feeding efficiency of the device is reduced.
Disclosure of Invention
The invention aims to provide a feeding device with high efficiency for producing color master batches, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a masterbatch production is with having efficient feed arrangement, which comprises a housin, the top fixedly connected with dead lever of casing, the top fixedly connected with air pump mounting bracket of dead lever, the inside fixedly connected with air pump of air pump mounting bracket, one side fixedly connected with trachea interface of air pump, the trachea has been cup jointed to the surface of trachea interface, tracheal surface fixedly connected with governing valve, the former feed bin of inside fixedly connected with of casing, the inside fixedly connected with hydraulic stem support frame of casing, the inside fixedly connected with hydraulic stem of hydraulic stem support frame, the one end fixed connection spare of hydraulic stem has the discharge gate baffle, the inside fixedly connected with cross baffle in former feed bin, the inside fixedly connected with toughened glass in former feed bin.
As a further scheme of the invention: the inside fixedly connected with light sensor of former feed bin, light sensor's one end fixedly connected with electric light mounting bracket, when the device at the during operation, light sensor installs in the bottom of former feed bin, and light sensor sees through toughened glass and shines on the inside raw materials of former feed bin, and when the inside raw materials of former feed bin was too little, light sensor can receive the signal, and the effect of electric light mounting bracket is fixed mounting electric light and bee calling organ.
As a still further scheme of the invention: the top fixedly connected with electric light of electric light mounting bracket, one side fixedly connected with bee calling organ of electric light mounting bracket, the quantity of optical line sensors, electric light mounting bracket, electric light and bee calling organ is four, and when the scarce material signal that optical line sensors received passed to electric light and bee calling organ, the electric light began luminous, and bee calling organ begins the police dispatch newspaper to this reminds the staff to pack, makes the material loading that the staff can be timely like this, and four optical line sensors are respectively inside four former feed bins, and what raw materials are lacked in what that the staff can be timely sees like this, improves staff's work efficiency.
As a still further scheme of the invention: the inside fixedly connected with motor mount of casing, the inside fixedly connected with baffle of casing, the effect of motor mount is the fixed mounting motor, and the effect of baffle is for preventing that the raw materials from going out from one side of crushing the pole.
As a still further scheme of the invention: the inside fixedly connected with motor of motor mount, the one end fixedly connected with of motor grinds garrulous pole, the bearing has been cup jointed to the one end of grinding garrulous pole, the motor, the quantity that grinds the pole and the bearing is two, and two motors control respectively that two grind the pole rotatory to the direction of difference, and two grind garrulous pole mesh mutually, and it is rotatory to the inboard, can be kneaded the bits and pieces by grinding the pole when the raw materials drops to grind garrulous pole top, makes the even of raw materials mixture like this, improves the quality of raw materials to after the raw materials becomes powder, funnel department after more conveniently flows, can not cause the jam, has improved the work efficiency of device, and the effect of bearing is for fixed grinding garrulous pole.
As a still further scheme of the invention: the bottom fixedly connected with funnel of casing, the bottom fixedly connected with flange of funnel, the funnel is the place of the ejection of compact, and the flange is fixed in masterbatch apparatus for producing's feed inlet department.
As a still further scheme of the invention: the bottom fixedly connected with sealing washer of flange, the inside threaded connection of flange has the bolt, and the effect of sealing washer is for preventing to have the raw materials to spill, and the bolt is used for flange.
As a still further scheme of the invention: the outer fixed surface of casing is connected with the stabilizer blade, the top fixedly connected with feed inlet of casing, the effect of stabilizer blade is for supporting whole device, and the feed inlet is to the place of adding the raw materials in the raw materials storehouse.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, through the arrangement of the air pump, the air pipes, the regulating valve, the hydraulic rods and the discharge port baffle, a worker opens the air pump, the air pump inflates the interior of the raw material bin through the four air pipes, the air pressure in the raw material bin is improved, the discharge speed of the raw material bin is higher, the working efficiency of the device is improved, the raw material bin is divided into four by the cross baffle, the four raw material bins are respectively filled with color master batch pigment, carrier, dispersing agent and additive, because the proportion of the four raw materials is different, the worker needs to adjust the regulating valve to control the amount of gas discharged from the air pipes according to actual conditions so as to control the air pressure in each raw material bin, the effect of controlling the discharge speed is achieved, the raw materials flow out according to the specified proportion, the length of the hydraulic rods controls the position of the discharge baffle, when one of the hydraulic rods is shortened, the discharging speed of this raw materials storehouse is becoming fast, is cooperating the governing valve and is using, makes the device control the proportion of each raw materials when accelerating discharging speed, has so both improved the work efficiency of device, also makes the more in line with the requirement of raw materials, makes the quality improvement of the masterbatch of making out afterwards.
2. In the invention, through the arrangement of the light sensor, the lamp mounting rack, the lamp, the buzzer and the toughened glass, when the device works, the light sensor is arranged at the bottom of the raw material bin, the light sensor irradiates on the raw material in the raw material bin through the toughened glass, when the raw material in the raw material bin is too little, the light sensor receives a signal, the light sensor transmits the received material shortage signal to the electric lamp and the buzzer, the electric lamp starts to emit light, the buzzer starts to give an alarm, thereby reminding workers of filling, so that the workers can feed in time, the four light sensors are respectively arranged in the four raw material bins, so that the worker can see what raw materials are lacked in time, the working efficiency of the worker is improved, if the device works when no raw material is available, the color master batches which are made later are defective products, and the buzzer can effectively prevent the color master batches from being defective products.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the construction of the electric lamp mounting bracket of the present invention;
FIG. 4 is a schematic top view of the crushing rod of the present invention;
FIG. 5 is a schematic top view of the raw material tank of the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a housing; 2. fixing the rod; 3. an air pump mounting rack; 4. a feed inlet; 5. an air pump; 6. a tracheal tube interface; 7. an air tube; 8. adjusting a valve; 9. a raw material bin; 10. a hydraulic rod support frame; 11. a hydraulic lever; 12. a discharge port baffle; 13. a cross partition plate; 14. tempering the glass; 15. a light sensor; 16. a lamp mounting bracket; 17. an electric lamp; 18. a buzzer; 19. a motor fixing frame; 20. a partition plate; 21. a motor; 22. grinding the rods; 23. a bearing; 24. a funnel; 25. a flange; 26. a seal ring; 27. a bolt; 28. and (3) a support leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in the embodiment of the present invention, a feeding device with high efficiency for color masterbatch production includes a housing 1, a fixing rod 2 is fixedly connected to the top of the housing 1, an air pump mounting rack 3 is fixedly connected to the top of the fixing rod 2, an air pump 5 is fixedly connected to the inside of the air pump mounting rack 3, an air pipe connector 6 is fixedly connected to one side of the air pump 5, an air pipe 7 is sleeved on the outer surface of the air pipe connector 6, an adjusting valve 8 is fixedly connected to the outer surface of the air pipe 7, a raw material bin 9 is fixedly connected to the inside of the housing 1, a hydraulic rod support frame 10 is fixedly connected to the inside of the housing 1, a hydraulic rod 11 is fixedly connected to the inside of the hydraulic rod support frame 10, a discharge port baffle 12 is fixedly connected to one end of the hydraulic rod 11, a cross baffle 13 is fixedly connected to the inside of the raw material bin, improve the inside atmospheric pressure of former feed bin 9, make the ejection of compact speed of former feed bin 9 faster, the work efficiency of the device is improved, former feed bin 9 is divided into four by cross baffle 13, color masterbatch pigment is put into respectively to four former feed bin 9, the carrier, dispersant and additive, the staff is according to actual conditions, go the adjustment governing valve 8 control trachea 7 and emit how much of gas, with the inside atmospheric pressure of each former feed bin 9 of this control, reach the effect of the speed of the control ejection of compact, make the raw materials flow according to appointed proportion, and the position of discharge gate baffle 12 is being controlled to the length of hydraulic stem 11, the discharge gate grow of former feed bin 9 when hydraulic stem 11 shortens, the ejection of compact speed of raw material bin 9 becomes fast, cooperate governing valve 8 to use, make the device control the proportion of each raw materials when accelerating ejection of compact speed.
The light sensor 15 is fixedly connected inside the raw material bin 9, one end of the light sensor 15 is fixedly connected with a lamp mounting frame 16, when the device works, the light sensor 15 is installed at the bottom of the raw material bin 9, the light sensor 15 irradiates the raw material inside the raw material bin 9 through toughened glass, when the raw material inside the raw material bin 9 is too small, the light sensor 15 receives a signal, and the lamp mounting frame 16 is used for fixedly mounting a lamp 17 and a buzzer 18; the top end of the electric lamp mounting frame 16 is fixedly connected with an electric lamp 17, one side of the electric lamp mounting frame 16 is fixedly connected with a buzzer 18, the number of the optical sensors 15, the electric lamp mounting frame 16, the electric lamp 17 and the buzzer 18 is four, when a material shortage signal received by the optical sensors 15 is transmitted to the electric lamp 17 and the buzzer 18, the electric lamp 17 starts to emit light, the buzzer 18 starts to give an alarm to remind a worker of filling, so that the worker can timely feed materials, the four optical sensors 15 are respectively arranged in the four raw material bins 9, the worker can timely see what raw materials are lacking, and the working efficiency of the worker is improved; a motor fixing frame 19 is fixedly connected inside the shell 1, a partition plate 20 is fixedly connected inside the shell 1, the motor fixing frame 19 is used for fixedly mounting a motor 21, and the partition plate 20 is used for preventing raw materials from going out of one side of the grinding rod 22; the motor 21 is fixedly connected inside the motor fixing frame 19, one end of the motor 21 is fixedly connected with the grinding rod 22, one end of the grinding rod 22 is sleeved with the bearing 23, the number of the motor 21, the grinding rod 22 and the bearing 23 is two, the two motors 21 respectively control the two grinding rods 22 to rotate towards different directions, the two grinding rods 22 are meshed with each other and rotate towards the inner side, when the raw materials fall above the grinding rods 22, the raw materials can be pinched by the grinding rods 22, so that the raw materials are uniformly mixed, the quality of the raw materials is improved, and when the raw materials become powder, the raw materials can more conveniently flow out from the subsequent hopper 24 without causing blockage, the working efficiency of the device is improved, and the bearing 23 is used for fixing the grinding rods 22; the bottom end of the shell 1 is fixedly connected with a funnel 24, the bottom end of the funnel 24 is fixedly connected with a flange 25, the funnel 24 is a discharging place, and the flange 25 is fixed at a feeding port of the color master batch production device; a sealing ring 26 is fixedly connected to the bottom end of the flange 25, a bolt 27 is connected to the inner thread of the flange 25, the sealing ring 26 is used for preventing raw materials from leaking, and the bolt 27 is used for connecting the flange 25; the outer fixed surface of casing 1 is connected with stabilizer blade 28, and the top fixed connection of casing 1 has feed inlet 4, and the effect of stabilizer blade 28 is for supporting whole device, and feed inlet 4 is the place of adding the raw materials to in the raw materials storehouse 9.
The working principle of the invention is as follows: through the arrangement of the air pump 5, the air pipes 7, the regulating valve 8, the hydraulic rods 11 and the discharge port baffle 12, a worker opens the air pump 5, the air pump 5 inflates the interior of the raw material bin 9 through the four air pipes 7, the air pressure in the raw material bin 9 is improved, the discharging speed of the raw material bin 9 is higher, the working efficiency of the device is improved, the raw material bin 9 is divided into four parts by the cross-shaped partition plate 13, the color master batch pigment, the carrier, the dispersing agent and the additive are respectively put into the four raw material bins 9, because the proportion of the four raw materials is different, the worker needs to adjust the regulating valve 8 to control the amount of the gas discharged from the air pipes 7 according to the actual situation so as to control the air pressure in each raw material bin 9, the effect of controlling the discharging speed is achieved, the raw materials flow out according to the specified proportion, the length of the hydraulic rods 11 controls the position, the discharge hole of the raw material bin 9 is enlarged, the discharge speed of the raw material bin 9 is increased, the raw material bin is matched with the regulating valve 8 for use, the device controls the proportion of each raw material while accelerating the discharge speed, thus the working efficiency of the device is improved, the raw materials are more in accordance with requirements, the quality of the manufactured color master batch is improved, through the arrangement of the light sensor 15, the light mounting frame 16, the light 17, the buzzer 18 and the toughened glass 14, when the device works, the light sensor 15 is mounted at the bottom of the raw material bin 9, the light sensor 15 irradiates the raw materials in the raw material bin 9 through the toughened glass, when the raw materials in the raw material bin 9 are too small, the light sensor 15 receives signals, the light sensor 15 transmits the received material shortage signals to the light 17 and the buzzer 18, the light 17 starts to emit light, the buzzer 18 starts to give an alarm, thereby reminding a worker of filling, make the material loading that the staff can be timely like this, four optical line sensors 15 are respectively inside four former feed bin 9, and what raw materials that the staff can be timely saw lacks like this improves staff's work efficiency, if the device does not work when having the raw materials after that for the masterbatch that later was done all is the wastrel, and this kind of thing can effectually be prevented to bee calling organ 18's effect from taking place.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a masterbatch production is with having efficient feed arrangement, includes casing (1), its characterized in that: the air pump type air pump is characterized in that a fixing rod (2) is fixedly connected to the top of the shell (1), an air pump mounting frame (3) is fixedly connected to the top of the fixing rod (2), an air pump (5) is fixedly connected to the inside of the air pump mounting frame (3), an air pipe connector (6) is fixedly connected to one side of the air pump (5), an air pipe (7) is sleeved on the outer surface of the air pipe connector (6), an adjusting valve (8) is fixedly connected to the outer surface of the air pipe (7), a raw material bin (9) is fixedly connected to the inside of the shell (1), a hydraulic rod supporting frame (10) is fixedly connected to the inside of the hydraulic rod supporting frame (10), a hydraulic rod (11) is fixedly connected to the inside of the hydraulic rod supporting frame (10), a discharge port baffle (12) is fixedly connected to one end of the hydraulic, the interior of the raw material bin (9) is fixedly connected with toughened glass (14).
2. The feeding device with high efficiency for masterbatch production according to claim 1, characterized in that: the interior fixedly connected with light sensor (15) of former feed bin (9), the one end fixedly connected with electric light mounting bracket (16) of light sensor (15).
3. The feeding device with high efficiency for masterbatch production according to claim 2, characterized in that: the LED lamp is characterized in that an electric lamp (17) is fixedly connected to the top end of the electric lamp mounting frame (16), a buzzer (18) is fixedly connected to one side of the electric lamp mounting frame (16), and the number of the light sensors (15), the number of the electric lamp mounting frame (16), the number of the electric lamps (17) and the number of the buzzers (18) are four.
4. The feeding device with high efficiency for masterbatch production according to claim 1, characterized in that: the motor fixing frame (19) is fixedly connected to the inside of the shell (1), and the partition plate (20) is fixedly connected to the inside of the shell (1).
5. The feeding device with high efficiency for masterbatch production according to claim 4, characterized in that: the inside fixedly connected with motor (21) of motor mount (19), the one end fixedly connected with of motor (21) grinds pole (22), bearing (23) have been cup jointed to the one end of grinding pole (22), motor (21), grind the quantity of pole (22) and bearing (23) and be two.
6. The feeding device with high efficiency for masterbatch production according to claim 1, characterized in that: the bottom fixedly connected with funnel (24) of casing (1), the bottom fixedly connected with flange (25) of funnel (24).
7. The feeding device with high efficiency for masterbatch production according to claim 6, characterized in that: the bottom end of the flange (25) is fixedly connected with a sealing ring (26), and the inner thread of the flange (25) is connected with a bolt (27).
8. The feeding device with high efficiency for masterbatch production according to claim 1, characterized in that: the outer surface of the shell (1) is fixedly connected with support legs (28), and the top end of the shell (1) is fixedly connected with a feeding hole (4).
CN202011326095.8A 2020-11-24 2020-11-24 Masterbatch production is with having efficient feed arrangement Pending CN112643933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011326095.8A CN112643933A (en) 2020-11-24 2020-11-24 Masterbatch production is with having efficient feed arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011326095.8A CN112643933A (en) 2020-11-24 2020-11-24 Masterbatch production is with having efficient feed arrangement

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Publication Number Publication Date
CN112643933A true CN112643933A (en) 2021-04-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041546U (en) * 1988-08-18 1989-07-26 郑晓锐 Convenient electric combined condiment box
JP2002347073A (en) * 2001-05-22 2002-12-04 Nissei Plastics Ind Co Material resin feeder of injection molding machine by vacuum hopper
CN105858221A (en) * 2016-06-12 2016-08-17 天津市实达电力设备有限公司 Continuous bin type pneumatic conveying pump
CN107538649A (en) * 2017-10-17 2018-01-05 苏州宏泉高压电容器有限公司 One kind can classify and rate controlling formula color masterbatch feedstock device
CN108454053A (en) * 2018-03-19 2018-08-28 浙江恒烨新材料科技有限公司 A kind of feeding transformation device of master batch used for spinning
CN208440518U (en) * 2018-05-30 2019-01-29 石门县捷源玻纤有限公司 A kind of marble feeding device with scarce ball warning function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041546U (en) * 1988-08-18 1989-07-26 郑晓锐 Convenient electric combined condiment box
JP2002347073A (en) * 2001-05-22 2002-12-04 Nissei Plastics Ind Co Material resin feeder of injection molding machine by vacuum hopper
CN105858221A (en) * 2016-06-12 2016-08-17 天津市实达电力设备有限公司 Continuous bin type pneumatic conveying pump
CN107538649A (en) * 2017-10-17 2018-01-05 苏州宏泉高压电容器有限公司 One kind can classify and rate controlling formula color masterbatch feedstock device
CN108454053A (en) * 2018-03-19 2018-08-28 浙江恒烨新材料科技有限公司 A kind of feeding transformation device of master batch used for spinning
CN208440518U (en) * 2018-05-30 2019-01-29 石门县捷源玻纤有限公司 A kind of marble feeding device with scarce ball warning function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Н.И.卡蒙斯内: "《机床装料自动化》", 31 August 1985, 北京:机械工业出版社 *

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