CN103481486A - Loading device of extruder - Google Patents
Loading device of extruder Download PDFInfo
- Publication number
- CN103481486A CN103481486A CN201310474202.5A CN201310474202A CN103481486A CN 103481486 A CN103481486 A CN 103481486A CN 201310474202 A CN201310474202 A CN 201310474202A CN 103481486 A CN103481486 A CN 103481486A
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- roller
- main shaft
- extruder
- feeding hopper
- feeding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a loading device of an extruder. The loading device comprises a feeding hopper, a material storage box and a spiral loading mechanism which is connected between the feeding hopper and the material storage box, wherein one end of the spiral loading mechanism is arranged on the bottom of the material storage box; the other end of the spiral loading mechanism is arranged above the feeding hopper; a discharging tube is connected between a spiral conveying mechanism and the feeding hopper; two crushing devices are arranged in a cross manner in the discharging tube, wherein one crushing device is arranged above the other crushing device; each crushing device comprises a first roller and a second roller which are engaged with each other, wherein the first roller and the second roller are arranged at the same height and are rotatably connected with the discharging tube, and one end of the first roller is connected with a drive device; bristles are arranged inside the discharging tube; and the bristles are matched with the first rollers and the second rollers. The loading device of the extruder disclosed by the invention can be used for crushing materials, and is beneficial to extrusion forming of materials in the extruder.
Description
Technical field
The present invention relates to the extruder equipment technical field, relate in particular to a kind of feeding device of extruder.
Background technology
The main frame of plastic extruder is extruding machine, and it is comprised of extrusion system, transmission system and heating and cooling system.At present after the extruder material loading, material also no longer carries out the break process of material after entering into feeding hopper, this just makes the material of larger particles after entering extruder, easily cause the melt process of material more difficult, and the screw rod in barrel also is difficult to oarse-grained material is pushed smoothly, and then cause the difficulty of extruding of extruder to increase.
Summary of the invention
The object of the invention is to propose a kind of feeding device of the extruder that can be pulverized material.
For reaching this purpose, the present invention by the following technical solutions:
A kind of feeding device of extruder, comprise feeding hopper, material storing box, and be connected to the spiral feeding mechanism between described feeding hopper and described material storing box, one end of described spiral feeding mechanism is arranged at the bottom of described material storing box, the other end of described spiral feeding mechanism is arranged at the top of described feeding hopper, be connected with discharge nozzle between described spiral conveying mechanism and described feeding hopper, two breakers that are provided with right-angled intersection in described discharge nozzle and arrange up and down, a described breaker is positioned at the top of another described breaker, each described breaker comprises intermeshing the first roller and second roller, described the first roller and described second roller are positioned at sustained height, and all with described discharge nozzle, be rotatably connected, one end of described the first roller is connected with drive unit, the inboard of described discharge nozzle is provided with bristle, described bristle and described the first roller, the setting that matches of described second roller.
Wherein, the outer surface of described the first roller and described second roller is provided with skewed slot, and the angle of inclination of described skewed slot is 30 °.
Wherein, described feeding hopper comprises the storing section of back taper and the discharging section of annular, and described storing section is coaxial setting with described discharging section; The top of described storing section is provided with cover plate, and described cover plate is provided with charging aperture, and the outlet of described discharge nozzle is communicated with described charging aperture.
Wherein, the top of described cover plate is provided with drive motors, described drive motors connects one and stretches into the inner main shaft arranged of described bucket body, be arranged at intervals with the loose blade construction of many groups on described main shaft, described loose blade construction is arranged in described storing section, every group of described loose blade construction comprises at least 4 loose blades that annular is uniform, each described loose blade is for being obliquely installed, and the blade face of each described loose blade is towards the rotation direction setting of described main shaft, the end of described main shaft is provided with helical blade, and described helical blade is arranged in described discharging section.
Wherein, the appearance and size of every group of described loose blade construction adapts with the size of corresponding described storing section, and every group of described loose blade construction comprises 4 described loose blades.
Wherein, the top of described storing section is provided with the feed zone of annular, the dismountable opening part that is arranged at described feed zone of described cover plate.
Wherein, the epimere of described feed zone is provided with upper limit site, described upper limit site is provided with the upper limit sensor, the hypomere of described storing section is provided with the lower limit site, described lower limit site is provided with the lower limit sensor, the alarm that described bucket body also is provided with controller and is connected with described controller, described upper limit sensor all is connected with described controller with described lower limit sensor; Material position in described bucket body is during lower than described lower limit site, and described lower limit sensor sends to described controller by this signal, and described controller is controlled the described alarm alarm that feeds in raw material; Material position in described bucket body is during higher than described upper limit site, and described upper limit sensor sends to controller by this signal, and described controller is controlled described alarm and stopped reinforced alarm.
Wherein, also be provided with a plurality of cross bars of annular arrangement on described main shaft, the position of described cross bar on described main shaft and the position in described upper limit site adapt.
Wherein, the inboard that the end of described cross bar approaches described feed zone arranges, and is provided with 4 cross bars of annular arrangement on described main shaft.
Beneficial effect of the present invention is:
The feeding device of extruder of the present invention, comprise feeding hopper, material storing box, and be connected to the spiral feeding mechanism between described feeding hopper and described material storing box, one end of described spiral feeding mechanism is arranged at the bottom of described material storing box, the other end of described spiral feeding mechanism is arranged at the top of described feeding hopper, be connected with discharge nozzle between described spiral conveying mechanism and described feeding hopper, two breakers that are provided with right-angled intersection in described discharge nozzle and arrange up and down, a described breaker is positioned at the top of another described breaker, each described breaker comprises intermeshing the first roller and second roller, described the first roller and described second roller are positioned at sustained height, and all with described discharge nozzle, be rotatably connected, one end of described the first roller is connected with drive unit, the inboard of described discharge nozzle is provided with bristle, described bristle and described the first roller, the setting that matches of described second roller, the feeding device of this extruder utilizes spiral conveying mechanism to be delivered to feeding hopper the material in material storing box, and be connected discharge nozzle between spiral conveying mechanism and feeding hopper, for the material of spiral conveying mechanism is sent to feeding hopper, two breakers that increase right-angled intersection and arrange up and down in this discharge nozzle, material needed the two step break process through two breakers arranged in a crossed manner before entering feeding hopper, particle size with the material that reduces to fall into feeding hopper, and then make the size of the material that enters into extruder from feeding hopper greatly reduce, contribute to material more easily in extruder, to carry out melt process and propelling movement, improve extrusion efficiency and extrude quality, simultaneously, when breaker carries out the material fragmentation, the bristle of discharge nozzle inboard is cleared up the surface of the first roller and second roller, in order to avoid material is bonded on the first roller and second roller, guarantees fragmentation quality.
The accompanying drawing explanation
Fig. 1 is the structural representation of the feeding device of extruder of the present invention.
Fig. 2 is the structural representation of the feeding hopper in Fig. 1.
Fig. 3 is the local enlarged diagram at the I place in Fig. 1.
Fig. 4 be breaker in Fig. 3 A to structural representation.
In figure: the 1-feeding hopper; The 2-material storing box; The 3-spiral conveying mechanism; The 4-discharge nozzle; The 5-breaker; The 6-extruder; The 7-cover plate; The 8-drive motors; The 9-main shaft; 10-upper limit sensor; 11-lower limit sensor; The 101-feed zone; 102-storing section; The 103-discharging section; 501-the first roller; The 502-second roller; The 503-drive unit; The 71-charging aperture; The 91-cross bar; The 92-blade that loosens; The 93-helical blade.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
As shown in Figures 1 to 4, a kind of feeding device of extruder, comprise feeding hopper 1, material storing box 2, and be connected to the spiral feeding mechanism 3 between feeding hopper 1 and material storing box 2, one end of spiral feeding mechanism 3 is arranged at the bottom of material storing box 2, the other end of spiral feeding mechanism 3 is arranged at the top of feeding hopper 1, be connected with discharge nozzle 4 between spiral conveying mechanism 3 and feeding hopper 1, two breakers 5 that are provided with right-angled intersection in discharge nozzle 4 and arrange up and down, a breaker 5 is positioned at the top of another breaker 5, each breaker 5 comprises intermeshing the first roller 501 and second roller 502, the first roller 501 is positioned at sustained height with second roller 502, and all with discharge nozzle 4, be rotatably connected, one end of the first roller 501 is connected with drive unit 503, the inboard of discharge nozzle 4 is provided with bristle, bristle and the first roller 501, second roller 502 setting that matches.
The feeding device of extruder of the present invention utilizes spiral conveying mechanism 3 to be delivered to feeding hopper 1 material in material storing box 2, and be connected discharge nozzle 4 between spiral conveying mechanism 3 and feeding hopper 1, for the material of spiral conveying mechanism 3 is sent to feeding hopper 1, two breakers 5 that increase right-angled intersection and arrange up and down in this discharge nozzle 4, material needed the two step break process through two breakers arranged in a crossed manner 5 before entering feeding hopper 1, particle size with the material that reduces to fall into feeding hopper 1, and then make the size that enters into the material of extruder 6 from feeding hopper 1 greatly reduce, contribute to material more easily in extruder 6, to carry out melt process and propelling movement, improve extrusion efficiency and extrude quality.And the material in discharge nozzle 4 is more open, at discharge nozzle, 4 places increase breaker 5, more easily realize the fragmentation of material, improve fragmentation quality, and two step break process, also can make break process more complete, improve fragmentation quality; Simultaneously, when breaker carries out the material fragmentation, the bristle of discharge nozzle 4 inboards is cleared up the first roller 501 and the surface of second roller 502, in order to avoid material is bonded on the first roller 501 and second roller 502, guarantees fragmentation quality.
Especially, the first roller 501 is provided with skewed slot with the outer surface of second roller 502, and the angle of inclination of skewed slot is 30 °.In addition, in the present embodiment, discharge nozzle 4 comprises two sections, one section is connected with spiral conveying mechanism 3 is vertical, another section is connected with feeding hopper 1 is vertical, and the junction between these two sections is inboard for circular arc connects, and the angle between two sections is relevant to the angle of inclination of spiral conveying mechanism 3; And breaker 5 is arranged in one section that is connected with feeding hopper 1, make broken material to enter swimmingly in feeding hopper 1.
In the present embodiment, feeding hopper 1 comprises the storing section 102 of back taper and the discharging section 103 of annular, and storing section 102 is coaxial setting with discharging section 103; The top of storing section 102 is provided with cover plate 7, and cover plate 7 is provided with charging aperture 71, and the outlet of discharge nozzle 4 is communicated with charging aperture 71.The top of cover plate 7 is provided with drive motors 8, drive motors 8 connects one and stretches into the inner main shaft 9 arranged of bucket body, be arranged at intervals with the loose blade construction of many groups on main shaft 9, loose blade construction is arranged in storing section 102, every group of loose blade construction comprises at least 4 loose blades 92 that annular is uniform, each loose blade 92 is for being obliquely installed, and the blade face of each loose blade 92 is towards the rotation direction setting of main shaft 9, the end of main shaft 9 is provided with helical blade 93, and helical blade 93 is arranged in discharging section 103.
The feeding hopper 1 of the feeding device of this extruder is by the storing section 102 of employing back taper and the combining structure of columniform discharging section 103, can be so that material slides along the back taper sidewall under the effect of inverted cone-shaped structure and material deadweight, enter in discharging section 103, in discharging section 103, the helical pressure effect general material wherein of recycling helical blade 93 is by force to lower nip, the assurance material can be sent in the barrel of extruder in time, guarantees the normal operation of extruder; And at material during in storing section 102, rotation by the loose blade construction on main shaft 9 realizes repeatedly loosening to material, avoid material to pile up for a long time and impact enters the discharging after discharging section 103, the pressure of material in the time of also can reducing helical blade 93 force feed material in storing section 102 to the material formation of discharging section 103, avoid occurring " bridge formation " phenomenon, make the feeding device feeding of this extruder easy, and only at 103 pairs of materials of discharging section, carry out force feed by force, can greatly reduce the power consumption of feeding.In addition, the force feed of the helical blade 93 by discharging section 103, the deal of the material of sending is more prone to be consistent, can not cause the burden that the charging barrel charge door of extruder is formed to material moment accumulation, more can guarantee the mass transport quality of extruder, contribute to improve the quality of the extruded product of extruder.
For the loose blade construction that makes differing heights place on main shaft 9 can coordinate well with the inboard of storing section 102, to reach the purpose of bulk material preferably, in the present embodiment, the appearance and size of every group of loose blade construction adapts with the size of corresponding storing section 102.And every group of loose blade construction comprises 4 loose blades 92.Like this, at main shaft 9, drive in the process of loose blade construction rotation, loose blade 92 in every group of loose blade construction will intermittently loosen to the material around it repeatedly, avoid solid accumulation, and then avoid temperature in storing section 102 to rise, thereby guarantee that material can store well in storing section 102 and for the discharging of discharging section 103.
Concrete, after loose blade 92 is obliquely installed, and face of blade is towards the direction setting of main shaft 9 rotations, like this, when loose blade 92 rotates at main shaft 9, minimum point place on it will be positioned on the lower material bed upper, and the peak on this its will be positioned at top material bed upper, like this, material in the aspect space formed at minimum point and the peak blade 92 that all can be loosened when main shaft 9 rotates digs, reach loose purpose, also can dispel the heat, avoid material bonding.Thereby, by the differing heights at main shaft 9, loose blade construction is set, can realize the loose of material in the certain altitude space.
The feeding device of extruder of the present invention, be provided with the feed zone 101 of annular at the top of storing section 102, the dismountable opening part that is arranged at feed zone 101 of cover plate 7, increased greatly the storing space of bucket body inside, each feeding in raw material can add more material in feeding hopper 1, avoid repeatedly feeding in raw material, reduce labour intensity.
Further, in the present embodiment, the epimere of feed zone 101 is provided with upper limit site, upper limit site is provided with upper limit sensor 10, the hypomere of storing section 102 is provided with the lower limit site, the lower limit site is provided with lower limit sensor 11, the alarm that bucket body also is provided with controller and is connected with controller, and upper limit sensor 10 all is connected with controller with lower limit sensor 11; Material position in bucket body is during lower than the lower limit site, and lower limit sensor 11 sends to controller by this signal, and controller is controlled the alarm alarm that feeds in raw material; Material position in bucket body is during higher than upper limit site, and upper limit sensor 10 sends to controller by this signal, and controller is controlled alarm and stopped reinforced alarm.Be no matter Artificial Control to reinforced in feeding hopper 1, or, by auto feed, the feeding hopper 1 in the present invention can play regularly punctual prompting, to avoid in feeding hopper 1 lacking, expects and causes the idle running of extruder.
Further, for realizing the material loading automation, this controller is connected with the power set of spiral conveying mechanism 3, like this, controller is when receiving the signal that upper limit sensor 10 and lower limit sensor 11 detect, the power set that can control spiral conveying mechanism 3 carry out material loading or stop material loading, realize fully automatic feeding.
When the material after breaker 5 fragmentations when the charging aperture 71 of cover plate 7 enters bucket body, because the speed of giving feeding hopper 1 charging generally can be greater than feeding hopper 1 rate of feeding to extruder, thereby material can be from discharging section 103 until feed zone 101 starts to pile up increases, but, overflow bucket body for avoiding material excessively to pile to press under charging aperture 71, also avoid material too much can make heap pressure exceed helical blade 93 and can rotate born pressure, also be provided with a plurality of cross bars 91 of annular arrangement on main shaft 9, and, the position of cross bar 91 on main shaft 9 and the position in upper limit site adapt, at material, enter in the process of bucket body, utilize cross bar 91 to follow the material promotion of the rotation of main shaft 9 to charging aperture 71 belows, so that material is dispersed in whole feed zone 101, and then also can make upper limit sensor 10 can detect more exactly material whether to reach this upper limit site, to send accurately signal to controller.
Wherein, the end of cross bar 91 approaches the inboard setting of feed zone 101.
Wherein, be provided with 4 cross bars 91 of annular arrangement on main shaft 9.
Wherein, 2/3 of the diameter of bore that the external diameter of helical blade 93 is discharging section 103.
The feeding device of extruder of the present invention, can the addi-tional crusher material in the process of material loading, make and enter material particles size reduction in feeding hopper, and then make the material particles size reduction entered in extruder, make extruder more easily to material, carry out melt process, more easily push material and move ahead in extruder, improve and extrude quality.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (9)
1. the feeding device of an extruder, comprise feeding hopper (1), material storing box (2), and be connected to the spiral feeding mechanism (3) between described feeding hopper (1) and described material storing box (2), one end of described spiral feeding mechanism (3) is arranged at the bottom of described material storing box (2), the other end of described spiral feeding mechanism (3) is arranged at the top of described feeding hopper (1), it is characterized in that, be connected with discharge nozzle (4) between described spiral conveying mechanism (3) and described feeding hopper (1), two breakers (5) that are provided with right-angled intersection in described discharge nozzle (4) and arrange up and down, a described breaker (5) is positioned at the top of another described breaker (5), each described breaker (5) comprises intermeshing the first roller (501) and second roller (502), described the first roller (501) is positioned at sustained height with described second roller (502), and all with described discharge nozzle (4), be rotatably connected, one end of described the first roller (501) is connected with drive unit (503), the inboard of described discharge nozzle (4) is provided with bristle, described bristle and described the first roller (501), described second roller (502) setting that matches.
2. the feeding device of extruder according to claim 1, is characterized in that, described the first roller (501) is provided with skewed slot with the outer surface of described second roller (502), and the angle of inclination of described skewed slot is 30 °.
3. the feeding device of extruder according to claim 1, it is characterized in that, described feeding hopper (1) comprises the storing section (102) of back taper and the discharging section (103) of annular, and described storing section (102) is coaxial setting with described discharging section (103); The top of described storing section (102) is provided with cover plate (7), and described cover plate (7) is provided with charging aperture (71), and the outlet of described discharge nozzle (4) is communicated with described charging aperture (71).
4. the feeding device of extruder according to claim 3, it is characterized in that, the top of described cover plate (7) is provided with drive motors (8), described drive motors (8) connects the main shaft (9) that stretches into the inner setting of described bucket body, be arranged at intervals with the loose blade construction of many groups on described main shaft (9), described loose blade construction is arranged in described storing section (102), every group of described loose blade construction comprises at least 4 loose blades (92) that annular is uniform, each described loose blade (92) is for being obliquely installed, and the blade face of each described loose blade (92) is towards the rotation direction setting of described main shaft (9), the end of described main shaft (9) is provided with helical blade (93), described helical blade (93) is arranged in described discharging section (103).
5. the feeding device of extruder according to claim 4, it is characterized in that, the appearance and size of every group of described loose blade construction adapts with the size of corresponding described storing section (102), and every group of described loose blade construction comprises 4 described loose blades (92).
6. the feeding device of extruder according to claim 3, is characterized in that, the top of described storing section (102) is provided with the feed zone (101) of annular, the dismountable opening part that is arranged at described feed zone (101) of described cover plate (7).
7. the feeding device of extruder according to claim 6, it is characterized in that, the epimere of described feed zone (101) is provided with upper limit site, described upper limit site is provided with upper limit sensor (10), the hypomere of described storing section (102) is provided with the lower limit site, described lower limit site is provided with lower limit sensor (11), the alarm that described bucket body also is provided with controller and is connected with described controller, described upper limit sensor (10) all is connected with described controller with described lower limit sensor (11); Material position in described bucket body is during lower than described lower limit site, and described lower limit sensor (11) sends to described controller by this signal, and described controller is controlled the described alarm alarm that feeds in raw material; Material position in described bucket body is during higher than described upper limit site, and described upper limit sensor (10) sends to controller by this signal, and described controller is controlled described alarm and stopped reinforced alarm.
8. the feeding device of extruder according to claim 4, it is characterized in that, also be provided with a plurality of cross bars (61) of annular arrangement on described main shaft (9), the position of described cross bar (61) on described main shaft (9) and the position in described upper limit site adapt.
9. the feeding device of extruder according to claim 8, is characterized in that, the inboard that the end of described cross bar (61) approaches described feed zone (101) arranges, and is provided with 4 cross bars (61) of annular arrangement on described main shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474202.5A CN103481486A (en) | 2013-10-11 | 2013-10-11 | Loading device of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474202.5A CN103481486A (en) | 2013-10-11 | 2013-10-11 | Loading device of extruder |
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| Publication Number | Publication Date |
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| CN103481486A true CN103481486A (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310474202.5A Pending CN103481486A (en) | 2013-10-11 | 2013-10-11 | Loading device of extruder |
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| CN (1) | CN103481486A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070657A (en) * | 2014-06-06 | 2014-10-01 | 浙江太湖远大新材料有限公司 | Feeding mechanism of raw material mixing and extruding integrated machine |
| CN104324790A (en) * | 2014-11-06 | 2015-02-04 | 四川旭华制药有限公司 | Automatic feeding grinding granulator |
| CN104353530A (en) * | 2014-11-06 | 2015-02-18 | 四川旭华制药有限公司 | Automatic control grinding and granulating machine |
| CN105233760A (en) * | 2015-11-03 | 2016-01-13 | 百吉瑞（天津）新能源有限公司 | System and method for initially melting solid salt |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1114695A1 (en) * | 1983-05-05 | 1984-09-23 | Центр Внедрения Научной Организации Производства,Труда И Управления | Plant for processing machine-harvested grape |
| EP0529187A1 (en) * | 1991-08-29 | 1993-03-03 | HERMANN BERSTORFF Maschinenbau GmbH | Apparatus for producing a monodisperse powder from rubber |
| CN201357555Y (en) * | 2009-03-11 | 2009-12-09 | 芜湖纽麦特新材料有限公司 | Extruder |
| JP2011104509A (en) * | 2009-11-17 | 2011-06-02 | Minoru Hosoda | Trommel separator |
-
2013
- 2013-10-11 CN CN201310474202.5A patent/CN103481486A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1114695A1 (en) * | 1983-05-05 | 1984-09-23 | Центр Внедрения Научной Организации Производства,Труда И Управления | Plant for processing machine-harvested grape |
| EP0529187A1 (en) * | 1991-08-29 | 1993-03-03 | HERMANN BERSTORFF Maschinenbau GmbH | Apparatus for producing a monodisperse powder from rubber |
| CN201357555Y (en) * | 2009-03-11 | 2009-12-09 | 芜湖纽麦特新材料有限公司 | Extruder |
| JP2011104509A (en) * | 2009-11-17 | 2011-06-02 | Minoru Hosoda | Trommel separator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070657A (en) * | 2014-06-06 | 2014-10-01 | 浙江太湖远大新材料有限公司 | Feeding mechanism of raw material mixing and extruding integrated machine |
| CN104324790A (en) * | 2014-11-06 | 2015-02-04 | 四川旭华制药有限公司 | Automatic feeding grinding granulator |
| CN104353530A (en) * | 2014-11-06 | 2015-02-18 | 四川旭华制药有限公司 | Automatic control grinding and granulating machine |
| CN105233760A (en) * | 2015-11-03 | 2016-01-13 | 百吉瑞（天津）新能源有限公司 | System and method for initially melting solid salt |
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Application publication date: 20140101 |