CN215150810U - Special extruder of modified master batch production - Google Patents
Special extruder of modified master batch production Download PDFInfo
- Publication number
- CN215150810U CN215150810U CN202120027823.9U CN202120027823U CN215150810U CN 215150810 U CN215150810 U CN 215150810U CN 202120027823 U CN202120027823 U CN 202120027823U CN 215150810 U CN215150810 U CN 215150810U
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- Prior art keywords
- stirring
- extrusion
- assembly
- motor
- side wall
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- 239000004594 Masterbatch (MB) Substances 0.000 title abstract description 13
- 238000010923 batch production Methods 0.000 title abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 107
- 238000001125 extrusion Methods 0.000 claims abstract description 81
- 238000005520 cutting process Methods 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims 10
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 41
- 230000000694 effects Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
- 239000011425 bamboo Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 description 20
- 239000011347 resin Substances 0.000 description 20
- 239000000049 pigment Substances 0.000 description 14
- 238000004378 air conditioning Methods 0.000 description 11
- 239000008187 granular material Substances 0.000 description 6
- 238000000227 grinding Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to a master batch production technical field discloses a special extruder of modified master batch production, including processing table, conveyer belt, agitator, liquid pan feeding mouth, crushing unit, stirring subassembly, extrusion subassembly, cutting assembly and cooling module, two baffles that the interval set up are installed to the one end at conveyer belt top, the side that the processing table is located the conveyer belt, and the both sides outer wall of processing table respectively with the inside wall fixed connection of two baffles, cooling module installs on the other end at conveyer belt top, extrude the top at the processing table of unit mount. The utility model has the advantages that: through the setting of ripple piece, can slow down the speed that the material fell into in extruding the section of thick bamboo to through the speed reduction effect of reducing gear box to extruding motor, the speed of having avoided the material whereabouts is very fast, can lead to the material to produce and pile up, and the condition that causes the influence to extruding of material takes place.
Description
Technical Field
The application relates to the technical field of master batch production, in particular to a special extruder for producing modified master batches.
Background
The master batch is a plastic colorant which is well dispersed by pigment or additive and thermoplastic resin with high proportion, and the selected resin has good wetting and dispersing effects on the colorant and has good compatibility with the material to be colored.
The master batch is when production, need be with raw materials intensification, is rectangular form material through the extruder extrusion, forms the special granule of master batch production through cutting grain, cooling, during the process of the production master batch granule of present stage, because the speed of master batch whereabouts is very fast, probably leads to the master batch to produce and piles up, causes the influence to extruding of master batch.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a special extruder of modified master batch production, including processing table, conveyer belt, agitator, liquid pan feeding mouth, crushing unit, stirring subassembly, extrusion subassembly, cutting components and cooling module, two baffles that the interval set up are installed to the one end at conveyer belt top, the processing table is located the side of conveyer belt, and the both sides outer wall of processing table respectively with the inside wall fixed connection of two baffles, cooling module installs on the other end at conveyer belt top, extrusion subassembly installs the top at the processing table, cutting components is located the side of extrusion subassembly, and cutting components installs in the bottom of extrusion subassembly, the agitator is installed at the top of extrusion subassembly, and the bottom of agitator is linked together with the top of extrusion subassembly, liquid pan feeding mouth is located the both sides of stirring subassembly respectively with crushing unit, and liquid pan feeding mouth, and, Crushing unit and stirring subassembly are all installed at the top of agitator.
Further, the crushing assembly comprises a crushing motor, a fixed plate, connecting shafts, crushing rollers, a driving gear, a driven gear and a feeding block, a square hole is formed in the top of the feeding block, the feeding block is installed at the top of the stirring barrel and communicated with the stirring barrel, the fixed plate is located beside the feeding block, the fixed plate is installed at the top of the stirring barrel, two connecting shafts and two crushing rollers are arranged, the two connecting shafts are located in the square hole at intervals, one end of each connecting shaft is rotatably connected with the inner side wall of the feeding block, the other end of each connecting shaft penetrates through the inner side wall of the feeding block and is rotatably connected with one side wall of the fixed plate, the driving gear and the driven gear are respectively sleeved on the other ends of the two connecting shafts, the driving gear and the driven gear are meshed, the two crushing rollers are located in the square hole, and the two crushing rollers are respectively sleeved on the two connecting shafts, the crushing motor is installed on the other side wall of the fixed plate, and the output end of the crushing motor penetrates through the side wall of the fixed plate and is fixedly connected with one connecting shaft.
Further, the stirring assembly comprises a stirring motor, a stirring shaft, stirring blades, a stirring arm, a blanking pipe, a circular plate, a fixed shaft and a valve, the stirring motor is arranged at the top of the stirring barrel, the output end of the stirring motor penetrates through the top of the stirring barrel and is fixedly connected with the stirring shaft, two stirring arms are arranged, the two stirring arms are symmetrically arranged on the stirring shaft, the side walls of the stirring arms are attached to the inner wall of the stirring barrel, the stirring blades are positioned below the two stirring arms, a plurality of stirring blades are arranged, and each stirring blade is arranged on the stirring shaft at equal intervals, the blanking pipe is arranged at the bottom of the stirring barrel and communicated with the stirring barrel, the circular plate is positioned in the blanking pipe, the outer diameter of the circular plate is the same as the inner diameter of the blanking pipe, the valve is sleeved on the blanking pipe, the fixed shaft is horizontally arranged on the circular plate, and two ends of the fixed shaft penetrate through the inner wall of the blanking pipe and are fixedly connected with the valve.
Further, the extrusion component comprises a corrugated pipe, an extrusion cylinder, a heating ring, an extrusion motor, a reduction gearbox, an extrusion rod and a packing auger blade, the top of the processing table is provided with a vertical plate, the extruding motor is arranged on the side wall of the vertical plate, the output end of the extrusion motor penetrates through the side wall of the vertical plate and is fixedly connected with the reduction gearbox, the corrugated pipe is arranged at the bottom of the blanking pipe, the corrugated pipe is communicated with the blanking pipe, the extrusion cylinder is arranged on the processing table, the corrugated pipe is arranged at the top of the extrusion cylinder and communicated with the extrusion cylinder, the extrusion rod is horizontally and rotatably arranged in the extrusion cylinder, the output end of the reduction gearbox penetrates through one side wall of the extrusion cylinder and is fixedly connected with the extrusion rod, a plurality of round holes which are arranged along the circumference at equal angles are formed in the other side wall of the extrusion cylinder, the auger blade is sleeved on the extrusion rod, and the heating ring is sleeved on the extrusion cylinder.
Furthermore, the cutting assembly comprises a transverse plate, a cutting motor and a cutting knife, the transverse plate is installed at the bottom of the extruding cylinder, the cutting motor is installed on the side wall of the transverse plate, and the output end of the cutting motor penetrates through the side wall of the transverse plate and is fixedly connected with the cutting knife.
Further, cooling module includes cooling frame, air conditioning connecting pipe and a plurality of air conditioning shower nozzle, the top at the conveyer belt is installed to the cooling frame, the air conditioning connecting pipe is installed on the lateral wall of cooling frame, every the air conditioning shower nozzle is equidistant to be installed on the interior roof of cooling frame.
Furthermore, a corrugated block is arranged on the inner wall of the corrugated pipe.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
one of them, through the setting of ripple piece, can slow down the speed that the material fell into in extruding the section of thick bamboo to through the speed reduction effect of reducing gear box to extruding motor, the speed of having avoided the material whereabouts is very fast, can lead to the material to produce and pile up, and the condition that causes the influence to extruding of material takes place.
Secondly, pour pigment into to the agitator in by liquid pan feeding mouth, pour the resin into to the agitator in by the pan feeding piece, when the resin is poured into in the pan feeding piece by the square hole, crushing roller of crushing motor drive rotates, thereby another crushing roller carries out relative rotation through driving gear and driven gear meshing, make the resin smash into the material of big or small uniformity, the resin of being convenient for combines together with pigment in the agitator, and after resin and pigment stirring are accomplished, valve drive disc rotates, make the material can fall through the clearance between disc and the blanking pipe, carry out follow-up work, the practicality of device has been improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the mixing tank of the present invention;
FIG. 3 is a schematic view of the crushing assembly of the present invention;
fig. 4 is a schematic structural view of the extrusion assembly of the present invention;
fig. 5 is a cross-sectional view of an extrusion assembly of the present invention;
fig. 6 is a schematic structural diagram of the cooling module of the present invention.
In the figure: the device comprises a processing table 1, a vertical plate 11, a conveyor belt 2, a baffle plate 21, a stirring barrel 3, a liquid feeding port 4, a crushing assembly 5, a crushing motor 51, a fixing plate 52, a connecting shaft 53, a crushing roller 54, a driving gear 55, a driven gear 56, a feeding block 57, a square hole 58, a stirring assembly 6, a stirring motor 61, a stirring shaft 62, a stirring blade 63, a stirring arm 64, a blanking pipe 65, a circular plate 66, a fixing shaft 67, a valve 68, an extrusion assembly 7, a corrugated pipe 71, a corrugated block 711, an extrusion barrel 72, a heating ring 73, an extrusion motor 74, a reduction box 75, an extrusion rod 76, auger blades 77, a circular hole 78, a cutting assembly 8, a transverse plate 81, a cutting motor 82, a cutting knife 83, a cooling assembly 9, a cooling rack 91, a cold air connecting pipe 92 and a cold air nozzle 93.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1 to 6, a special extruder for producing modified master batches comprises a processing table 1, a conveyor belt 2, a stirring barrel 3, a liquid feeding port 4, a crushing assembly 5, a stirring assembly 6, an extrusion assembly 7, a cutting assembly 8 and a cooling assembly 9, wherein two baffles 21 arranged at intervals are installed at one end of the top of the conveyor belt 2, the processing table 1 is located beside the conveyor belt 2, the outer walls of two sides of the processing table 1 are respectively fixedly connected with the inner side walls of the two baffles 21, the cooling assembly 9 is installed at the other end of the top of the conveyor belt 2, the extrusion assembly 7 is installed at the top of the processing table 1, the cutting assembly 8 is located beside the extrusion assembly 7, the cutting assembly 8 is installed at the bottom of the extrusion assembly 7, the stirring barrel 3 is installed at the top of the extrusion assembly 7, and the bottom of the stirring barrel 3 is communicated with the top of the extrusion assembly 7, liquid pan feeding mouth 4 and crushing unit 5 are located the both sides of stirring subassembly 6 respectively, and liquid pan feeding mouth 4, crushing unit 5 and stirring subassembly 6 are all installed at the top of agitator 3.
Specifically, the crushing assembly 5 comprises a crushing motor 51, a fixing plate 52, a connecting shaft 53, a crushing roller 54, a driving gear 55, a driven gear 56 and a feeding block 57, a square hole 58 is formed in the top of the feeding block 57, the feeding block 57 is installed at the top of the stirring barrel 3 and communicated with the stirring barrel, the fixing plate 52 is located beside the feeding block 57, the fixing plate 52 is installed at the top of the stirring barrel 3, two connecting shafts 53 and two crushing rollers 54 are arranged, the two connecting shafts 53 are located in the square hole 58 at intervals, one end of each connecting shaft 53 is rotatably connected with the inner side wall of the feeding block 57, the other end of each connecting shaft 53 penetrates through the inner side wall of the feeding block 57 and is rotatably connected with one side wall of the fixing plate 52, the driving gear 55 and the driven gear 56 are respectively sleeved on the other ends of the two connecting shafts 53, and the driving gear 55 is meshed with the driven gear 56, two crushing roller 54 all is located square hole 58, and two crushing roller 54 overlap respectively and establish on two connecting axles 53, crushing motor 51 is installed on another lateral wall of fixed plate 52, and crushing motor 51's output runs through fixed plate 52's lateral wall and a connecting axle 53 fixed connection, pour pigment into to agitator 3 in by liquid pan feeding mouth 4, pour the resin into to agitator 3 in by pan feeding piece 57, when the resin is poured into to get the piece 57 by square hole 58 in, crushing motor 51 drives a crushing roller 54 and rotates, thereby another crushing roller 54 carries out relative rotation through driving gear 55 and driven gear 56 meshing, make the resin smash into the material that the size is even, be convenient for the resin combine together with pigment in agitator 3.
Specifically, the stirring assembly 6 comprises a stirring motor 61, a stirring shaft 62, stirring blades 63, stirring arms 64, a blanking pipe 65, a circular plate 66, a fixed shaft 67 and a valve 68, wherein the stirring motor 61 is installed at the top of the stirring barrel 3, the output end of the stirring motor 61 penetrates through the top of the stirring barrel 3 and is fixedly connected with the stirring shaft 62, two stirring arms 64 are arranged, the two stirring arms 64 are symmetrically installed on the stirring shaft 62, the side wall of each stirring arm 64 is attached to the inner wall of the stirring barrel 3, the stirring blades 63 are located below the two stirring arms 64, the stirring blades 63 are provided with a plurality of stirring blades 63, each stirring blade 63 is installed on the stirring shaft 62 at equal intervals, the blanking pipe 65 is installed at the bottom of the stirring barrel 3 and communicated with the same, the circular plate 66 is located in the blanking pipe 65, the outer diameter of the circular plate 66 is the same as the inner diameter of the blanking pipe 65, and the valve 68 is sleeved on the blanking pipe 65, fixed axle 67 is horizontal installation on plectane 66, and the inner wall and the valve 68 fixed connection of blanking pipe 65 are all run through at the both ends of fixed axle 67, when resin and pigment poured into to agitator 3 in, agitator motor 61 drive (mixing) shaft 62 rotates, make stirring leaf 63 carry out stirring work to resin and pigment, and agitator arm 64 can rotate along with agitator shaft 62 together, will remain and scrape the material on agitator 3 inner wall, the practicality of device has been improved, after resin and pigment stirring are accomplished, valve 68 drive disc rotates, make the material can fall through the clearance between disc and the blanking pipe 65, carry out follow-up work.
Specifically, the extrusion assembly 7 comprises a corrugated pipe 71, an extrusion cylinder 72, a heating ring 73, an extrusion motor 74, a reduction gearbox 75, an extrusion rod 76 and auger blades 77, the top of the processing table 1 is provided with a vertical plate 11, the extrusion motor 74 is arranged on the side wall of the vertical plate 11, the output end of the extrusion motor 74 penetrates through the side wall of the vertical plate 11 and is fixedly connected with the reduction gearbox 75, the corrugated pipe 71 is arranged at the bottom of the blanking pipe 65, the corrugated pipe 71 is communicated with the blanking pipe 65, the extrusion cylinder 72 is arranged on the processing table 1, the corrugated pipe 71 is arranged at the top of the extrusion cylinder 72 and is communicated with the extrusion cylinder 72, the extrusion rod 76 is horizontally and rotatably arranged in the extrusion cylinder 72, the output end of the reduction gearbox 75 penetrates through one side wall of the extrusion cylinder 72 and is fixedly connected with the extrusion rod 76, the other side wall of the extrusion cylinder 72 is provided with a plurality of round holes 78 which are arranged at equal angles along the circumferential direction, the packing auger blade 77 cover is established on extrusion pole 76, the heating ring 73 cover is established on extrusion cylinder 72, and the material that stirs falls into extrusion cylinder 72 through bellows 71 in, and extrusion motor 74 advances reduction box 75 and carries out slower rotation work, drives extrusion pole 76 and rotates, makes the packing auger blade 77 on the extrusion pole 76 remove and extrude the material, makes the material form rectangular form through round hole 78 to the heating ring 73 can heat the material in extrusion cylinder 72, has further improved the practicality of device.
Specifically, cutting assembly 8 includes diaphragm 81, cutting motor 82 and cutting knife 83, diaphragm 81 is installed in the bottom of extruding a section of thick bamboo 72, cutting motor 82 is installed on the lateral wall of diaphragm 81, and the output of cutting motor 82 runs through the lateral wall and the cutting knife 83 fixed connection of diaphragm 81, and when the material was extruded by round hole 78, cutting motor 82 drive cutting knife 83 was rotatory, cut into the material graininess to make the material fall to on the conveyer belt 2, two baffles 21 that set up on the conveyer belt 2 simultaneously, the condition that can prevent the material and splash everywhere when the cutting takes place.
Specifically, cooling unit 9 includes cooling frame 91, air conditioning connecting pipe 92 and a plurality of air conditioning shower nozzle 93, the top at conveyer belt 2 is installed to cooling frame 91, air conditioning connecting pipe 92 is installed on the lateral wall of cooling frame 91, every the equidistant installation of air conditioning shower nozzle 93 is on the interior roof of cooling frame 91, and when granular material fell to conveyer belt 2 on, conveyer belt 2 transferred granular material to cooling frame 91 department, through connecting air conditioning connecting pipe 92, made air conditioning carry out the effect of cooling solid type to granular material through air conditioning shower nozzle 93, accomplished the cooling work after, conveyer belt 2 transferred granular material and made its unloading.
Specifically, install ripple piece 711 on the inner wall of bellows 71, through the setting of ripple piece 711, can slow down the speed that the material fell into extruding cylinder 72, it is very fast to have avoided the speed of material whereabouts, may lead to the material to produce and pile up, and the condition that causes the influence to extruding of material takes place.
The embodiment of the application adopts the following technical scheme: pigment is poured into the stirring barrel 3 from the liquid feeding port 4, resin is poured into the stirring barrel 3 from the feeding block 57, when the resin is poured into the feeding block 57 from the square hole 58, the grinding motor 51 drives one grinding roller 54 to rotate, the other grinding roller 54 is meshed with the driven gear 56 through the driving gear 55 to rotate relatively, the resin is ground into materials with uniform size, the resin is combined with the pigment in the stirring barrel 3 conveniently, when the resin and the pigment are poured into the stirring barrel 3, the stirring shaft 62 is driven to rotate by the stirring motor 61, the stirring blade 63 is used for stirring the resin and the pigment, the stirring arm 64 rotates along with the stirring shaft 62 to scrape the materials on the inner wall of the stirring barrel 3, the practicability of the device is improved, after the stirring of the resin and the pigment is finished, the valve 68 drives the disc to rotate, and the materials can fall into the extruding barrel 72 through a gap between the disc and the blanking pipe 65, the extrusion motor 74 enters the reduction box 75 to perform slow rotation work to drive the extrusion rod 76 to rotate, so that the auger blade 77 on the extrusion rod 76 moves and extrudes the material, the material is formed into a strip shape through the round hole 78, the heating ring 73 can heat the material in the extrusion cylinder 72, when the material is extruded from the round hole 78, the cutting motor 82 drives the cutting knife 83 to rotate to cut the material into particles and enable the material to fall onto the conveyor belt 2, when the particle-shaped material falls onto the conveyor belt 2, the conveyor belt 2 transfers the particle-shaped material to the cooling rack 91, and the cold air is connected with the cold air connecting pipe 92 to enable the cold air to perform the cooling and shaping effects on the particle-shaped material through the cold air nozzle 93, and after the cooling work is completed, the conveyor belt 2 transfers the particle-shaped material and enables the particle-shaped material to be discharged.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120027823.9U CN215150810U (en) | 2021-01-06 | 2021-01-06 | Special extruder of modified master batch production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120027823.9U CN215150810U (en) | 2021-01-06 | 2021-01-06 | Special extruder of modified master batch production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215150810U true CN215150810U (en) | 2021-12-14 |
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ID=79402366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120027823.9U Expired - Fee Related CN215150810U (en) | 2021-01-06 | 2021-01-06 | Special extruder of modified master batch production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215150810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447100A (en) * | 2022-08-30 | 2022-12-09 | 江山市星耀新材料有限公司 | Stirring and extruding all-in-one machine for fire-fighting plastic powder production and use method thereof |
| CN117443283A (en) * | 2023-12-21 | 2024-01-26 | 江苏恒新药业有限公司 | Granulating process and equipment for hydrolysate tablet production |
-
2021
- 2021-01-06 CN CN202120027823.9U patent/CN215150810U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447100A (en) * | 2022-08-30 | 2022-12-09 | 江山市星耀新材料有限公司 | Stirring and extruding all-in-one machine for fire-fighting plastic powder production and use method thereof |
| CN115447100B (en) * | 2022-08-30 | 2024-08-20 | 江山市星耀新材料有限公司 | Stirring and extruding integrated machine for fire-fighting plastic powder production and application method thereof |
| CN117443283A (en) * | 2023-12-21 | 2024-01-26 | 江苏恒新药业有限公司 | Granulating process and equipment for hydrolysate tablet production |
| CN117443283B (en) * | 2023-12-21 | 2024-02-27 | 江苏恒新药业有限公司 | Granulating process and equipment for hydrolysate tablet production |
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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: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |