CN113021890A - A raw and other materials extrusion device for 3D prints - Google Patents
A raw and other materials extrusion device for 3D prints Download PDFInfo
- Publication number
- CN113021890A CN113021890A CN202110410949.9A CN202110410949A CN113021890A CN 113021890 A CN113021890 A CN 113021890A CN 202110410949 A CN202110410949 A CN 202110410949A CN 113021890 A CN113021890 A CN 113021890A
- Authority
- CN
- China
- Prior art keywords
- pivot
- raw material
- connecting rod
- feed cylinder
- rotating shaft
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a raw material extrusion device for 3D printing, which comprises storage boxes, wherein one side of each storage box is provided with a support frame, one side of each storage box is provided with a flow dividing pipe, a flow dividing shell is arranged between the flow dividing pipes, the interior of the flow dividing shell is rotatably connected with a first rotating shaft through a bearing, a rotating drum is sleeved on the first rotating shaft, a feeding groove is formed in the rotating drum, a branch pipe is arranged at the bottom of each storage box, a material cylinder is arranged at one end of each branch pipe, and a fixing cover is arranged at the top of each material cylinder; has the advantages that: according to the invention, through forward rotation or reverse rotation of the second rotating shaft and cooperation of the three connecting rods, the rotating drum is enabled to swing and feed materials and respectively enter the material cylinders, and the two material cylinders are arranged, so that continuous extrusion and feeding can be performed in a staggered manner, and the extrusion efficiency of 3D printing is improved; simultaneously, the inside of the charging barrel is heated through the heat conductor with the hollow structure, the extruding temperature is uniform due to the feeding of the branch pipes, and the 3D printing extrusion efficiency is improved.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a raw material extrusion device for 3D printing.
Background
3D printing, one of the rapid prototyping technologies, is a technology for constructing an object by using an adhesive material such as powdered metal or plastic based on a digital model file and by printing layer by layer. With the development of modern science and technology, 3D printing technology has been applied to many fields, is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is also used for directly manufacturing some products, and parts printed by using the technology are available.
In the prior art, an extrusion device for 3D printing generally adopts a pneumatic compression mode, a piston needs to be taken down after materials in a charging barrel are consumed in a compression feeding mode, and the materials can be continuously processed after being added again, so that the extrusion efficiency is greatly reduced; and the raw material is easy to be bonded on the inner wall of the material extruded from the charging barrel for a long time, and is inconvenient to clean, so that the extrusion efficiency is influenced.
Disclosure of Invention
The present invention is directed to a raw material extruding apparatus for 3D printing, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a raw material extrusion device for 3D printing comprises storage boxes, wherein one side of each storage box is provided with a support frame, one side of each storage box is provided with a shunt tube, a shunt shell is arranged between the shunt tubes, the interior of the shunt shell is rotatably connected with a first rotating shaft through a bearing, a rotating drum is sleeved on the first rotating shaft, a feeding groove is formed in the rotating drum, a branch tube is arranged at the bottom of each storage box, a charging barrel is arranged at one end of the branch tube, a fixing cover is arranged at the top of the charging barrel, a driving motor is arranged at the top of the fixing cover, the output end of the driving motor penetrates through the fixing cover and is provided with a screw rod, a spiral blade is arranged on the screw rod, a hollow structure is arranged on the side surface of the charging barrel, a heat conductor is sleeved inside the hollow structure, and a cavity is, the side of fixed lid runs through the cavity and is provided with the screw rod, the inserted block has been cup jointed to the screw rod, the top of hob is located the inside of fixed lid and has cup jointed seal ring, hot gas path has been seted up to the bottom of fixed lid, hot gas path's inside is provided with the gasbag, two the bottom of feed cylinder is provided with the stirring casing, the bottom of stirring casing is provided with the shower nozzle.
Preferably, the storage box is provided with two, and the central line symmetric distribution about the support frame, the cross-section in pan feeding groove is the triangle-shaped structure, the pan feeding groove is provided with three, and arranges around the central line of first pivot and distributes.
Preferably, the outside of reposition of redundant personnel casing is provided with the second pivot, the one end of second pivot is provided with first drive arrangement, it has the head rod to articulate in the second pivot, the one end of head rod articulates through the round pin axle has the second connecting rod, the one end of second connecting rod articulates through the round pin axle has the third connecting rod, the one end of third connecting rod articulates on the one end of first pivot, the length of second connecting rod is greater than the length of first connecting rod, the top of reposition of redundant personnel casing is connected with into the hopper through the pan feeding pipe.
Preferably, the branch pipe is provided with two sets ofly, and every group is provided with a plurality ofly all and communicates each other with one side of feed cylinder, the feed cylinder is the slope structure, the heat conductor is provided with a plurality ofly, and arranges the distribution along the axial of feed cylinder, hollow structure's bottom is provided with logical groove, lead to the inside of groove and feed cylinder and communicate each other.
Preferably, fixed lid is "Contraband" type plate structure, threaded connection between inserted block and the screw rod, the whole of inserted block is "Contraband" type plate structure, and the tip is isosceles trapezoid structure, the fixed slot has been seted up to the upper end side of feed cylinder, the fixed slot is provided with a plurality ofly, and angular distribution such as the central line of hob around, one side of inserted block runs through between cavity and the fixed slot and matches and the one-to-one each other.
Preferably, the gasbag is located one side of seal ring, hot gas channel is provided with a plurality ofly, and the central line equiangular distribution around the hob, hot gas channel is "L" type opening structure.
Preferably, the inside of the stirring shell is rotatably connected with a third rotating shaft through a bearing, one end of the third rotating shaft is provided with a second driving device, the third rotating shaft is sleeved with a stirring cylinder, and stirring teeth are arranged on the surface of the stirring cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. the raw material extrusion device for 3D printing is additionally provided with the shunt shell, the rotary drum is enabled to swing and feed materials into the material cylinders respectively through forward rotation or reverse rotation of the second rotary shaft and cooperation of the three connecting rods, the two material cylinders are arranged, continuous extrusion and feeding can be performed in a staggered mode, and the extrusion efficiency of 3D printing is improved; simultaneously, the inside of the charging barrel is heated through the heat conductor with the hollow structure, the extruding temperature is uniform due to the feeding of the branch pipes, and the 3D printing extrusion efficiency is improved.
2. The raw material extrusion device for 3D printing is additionally provided with the fixing cover, the inserting block is inserted into the fixing groove through rotation of the screw rod, the fixing cover is convenient to disassemble and assemble, the inner walls of the material cylinders are convenient to clean, meanwhile, the two material cylinders can be staggered to clean the inner walls, and the problem that the 3D printing extrusion efficiency is reduced due to shutdown during cleaning is avoided.
3. The raw material extrusion device for 3D printing is additionally provided with the air bag and the sealing washer, hot air in the material cylinder is conveyed to the interior of the air bag through the hot air channel, the air bag is expanded due to heat expansion and contracted due to cold to abut against the sealing washer, the temperature in the material cylinder is kept unchanged, and extrusion of the raw material for 3D printing is facilitated; the mixing drum is arranged above the spray head, so that the outlet of the spray head is prevented from being blocked during extrusion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the outer side of the diverter housing of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B.
In the figure: a material storage box 1; a shunt tube 11; a support frame 2; a diverter housing 3; a first rotating shaft 31; a drum 32; a feeding tank 33; a second rotating shaft 34; a first connecting rod 35; a second connecting rod 36; a third connecting rod 37; a hopper 38; a branch pipe 4; a barrel 5; a drive motor 51; a screw rod 52; the helical blades 53; a hollow structure 54; a heat conductor 55; a fixed cover 6; a cavity 61; a screw 62; an insert block 63; a fixing groove 64; a sealing gasket 65; a hot gas path 66; an air bag 67; a stirring housing 7; a third rotating shaft 71; a mixing drum 72; a stirring tooth 73; and a spray head 8.
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 4, the present invention provides a technical solution: a raw material extrusion device for 3D printing comprises a storage box 1, a support frame 2 is welded on one side of the storage box 1, the support frame 2 is of a T-shaped rod structure, the storage box 1 is provided with two storage boxes and symmetrically distributed about the central line of the support frame 2, one side of each of the two storage boxes 1 is connected with a shunt tube 11, a shunt shell 3 is fixedly installed between the shunt tubes 11, the interior of the shunt shell 3 is rotatably connected with a first rotating shaft 31 through a bearing, a rotating drum 32 is sleeved on the first rotating shaft 31, a feeding groove 33 is formed in the rotating drum 32, the cross section of the feeding groove 33 is of a triangular structure, three feeding grooves 33 are arranged and distributed around the central line of the first rotating shaft 31, the outer side of the shunt shell 3 is rotatably connected with a second rotating shaft 34 through a bearing, a first driving device is installed at one end of the second rotating shaft 34, and a first connecting rod 35 is, one end of the first connecting rod 35 is hinged with a second connecting rod 36 through a pin shaft, one end of the second connecting rod 36 is hinged with a third connecting rod 37 through a pin shaft, one end of the third connecting rod 37 is hinged on one end of the first rotating shaft 31, the length of the second connecting rod 36 is larger than that of the first connecting rod 35, the top of the shunting shell 3 is connected with a feeding hopper 38 through a feeding pipe, the second rotating shaft 34 rotates along with the first rotating shaft 34 through positive rotation or reverse rotation of the output end of the first driving device, the first connecting rod 35 is driven to rotate circumferentially, the third connecting rod 37 is further driven to swing, and the rotating drum 32 swings for feeding.
The bottom of the storage box 1 is communicated with a branch pipe 4, one end of the branch pipe 4 is provided with a charging barrel 5, the branch pipe 4 is provided with two groups, each group is provided with a plurality of branch pipes which are communicated with one side of the charging barrel 5, the charging barrel 5 is of an inclined structure, the top of the charging barrel 5 is fixedly provided with a fixed cover 6, the fixed cover 6 is of an Contraband-shaped plate structure, the top of the fixed cover 6 is provided with a driving motor 51, the model of the driving motor 51 is YS90S4, the output end of the driving motor 51 penetrates through the fixed cover 6 and is welded with a screw rod 52, the screw rod 52 is welded with a helical blade 53, the side surface of the charging barrel 5 is provided with a hollow structure 54, the inside of the hollow structure 54 is sleeved with a heat conductor 55, the heat conductor 55 is provided with a plurality of branch pipes which are distributed along the axial direction of the charging barrel 5, the, the side surface of the fixed cover 6 penetrates through the cavity 61 and is rotatably connected with a screw 62 through a bearing, the screw 62 is sleeved with an insert block 63, the insert block 63 is in threaded connection with the screw 62, the whole insert block 63 is in an Contraband-shaped block structure, the end part of the charging barrel is in an isosceles trapezoid structure, the side surface of the upper end of the charging barrel 5 is provided with a plurality of fixing grooves 64, and are distributed around the central line of the screw rod 52 at equal angles, one side of the insert block 63 penetrates through the cavity 61 and is matched with and corresponds to the fixing groove 64 one by one, the top of the screw rod 52 is positioned inside the fixing cover 6 and is sleeved with a sealing gasket 65, the bottom of the fixing cover 6 is provided with a hot air channel 66, the inside of the hot air channel 66 is provided with an air bag 67, the air bag 67 is positioned at one side of the sealing gasket 65, the hot air channel 66 is provided with a plurality of hot air channels, and are equiangularly distributed around the centerline of the screw shaft 52, the hot gas path 66 is in the form of an "L" shaped port configuration.
The bottom welding of two feed cylinders 5 has stirring shell 7, and the inside of stirring shell 7 is connected with third pivot 71 through the bearing rotation, and the second drive arrangement is installed to the one end of third pivot 71, has cup jointed churn 72 on the third pivot 71, and the surface welding of churn 72 has stirring tooth 73, and shower nozzle 8 is installed to the bottom of stirring shell 7.
The working principle is as follows: when the device is in practical use, raw materials enter from the feeding hopper 38, the second rotating shaft 34 rotates along with the first rotating shaft through the forward rotation or the reverse rotation of the output end of the first driving device, the first connecting rod 35 is driven to rotate circumferentially, the third connecting rod 37 swings, the rotating drum 32 swings to feed materials and respectively enters the material cylinders 5 through the branch pipes 4, the two material cylinders 5 are arranged, continuous extrusion feeding can be performed in a staggered mode, and the extrusion efficiency of 3D printing is improved; meanwhile, the inside of the charging barrel 5 is heated through the heat conductor 55 of the hollow structure 54, the extruding temperature is uniform due to the feeding of the branch pipes 4, and the 3D printing extruding efficiency is improved; hot air in the material cylinder 5 is conveyed to the inside of the air bag 67 through the hot air channel 66, and the air bag 67 is enlarged to abut against the sealing washer 65 due to thermal expansion and cold contraction, so that the temperature in the material cylinder 5 is kept unchanged, and extrusion of 3D printing raw materials is facilitated; the fixing cover 6 is additionally arranged, the inserting block 63 is inserted into the fixing groove 64 through the rotation of the screw 62, the fixing cover 6 is convenient to disassemble and assemble, the inner walls of the charging barrels 5 are convenient to clean, meanwhile, the two charging barrels 5 can be staggered to clean the inner walls, and the problem that the machine is required to be stopped to reduce the 3D printing extrusion efficiency during cleaning is avoided; the mixing drum 72 is arranged above the spray head 8, and the mixing teeth 73 on the mixing drum 72 are used for mixing the extruded raw materials, so that the blockage of the outlet of the spray head 8 during extrusion is prevented.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a raw and other materials extrusion device for 3D prints, includes storage case (1), its characterized in that: one side of the storage box (1) is provided with a support frame (2), two one side of the storage box (1) is provided with a shunt tube (11), a shunt shell (3) is arranged between the shunt tubes (11), the interior of the shunt shell (3) is rotatably connected with a first rotating shaft (31) through a bearing, a rotating drum (32) is sleeved on the first rotating shaft (31), a feeding groove (33) is formed in the rotating drum (32), a branch pipe (4) is arranged at the bottom of the storage box (1), one end of the branch pipe (4) is provided with a charging barrel (5), the top of the charging barrel (5) is provided with a fixed cover (6), the top of the fixed cover (6) is provided with a driving motor (51), the output end of the driving motor (51) penetrates through the fixed cover (6) and is provided with a screw rod (52), the screw rod (52) is provided with a screw blade (53, the side of feed cylinder (5) is provided with hollow structure (54), heat conductor (55) have been cup jointed to the inside of hollow structure (54), the side of fixed lid (6) is provided with cavity (61), the side of fixed lid (6) runs through cavity (61) and is provided with screw rod (62), inserted block (63) have been cup jointed to screw rod (62), the top of hob (52) is located the inside of fixed lid (6) and has been cup jointed seal ring (65), hot gas channel (66) have been seted up to the bottom of fixed lid (6), the inside of hot gas channel (66) is provided with gasbag (67), two the bottom of feed cylinder (5) is provided with stirring casing (7), the bottom of stirring casing (7) is provided with shower nozzle (8).
2. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: storage case (1) is provided with two, and center line symmetric distribution about support frame (2), the cross-section of pan feeding groove (33) is the triangle-shaped structure, pan feeding groove (33) are provided with threely, and arrange around the center line of first pivot (31) and distribute.
3. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: the outside of reposition of redundant personnel casing (3) is provided with second pivot (34), the one end of second pivot (34) is provided with first drive arrangement, it has head rod (35) to articulate in second pivot (34), the one end of head rod (35) articulates through the round pin axle has second connecting rod (36), the one end of second connecting rod (36) articulates through the round pin axle has third connecting rod (37), the one end of third connecting rod (37) articulates in one of first pivot (31) and serves, the length of second connecting rod (36) is greater than the length of head rod (35), the top of reposition of redundant personnel casing (3) has pan feeding funnel (38) through the pan feeding union coupling.
4. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: the branch pipe (4) are provided with two sets, and every group is provided with a plurality of and all communicates each other with one side of feed cylinder (5), feed cylinder (5) are the slope structure, heat conductor (55) are provided with a plurality ofly, and distribute along the axial arrangement of feed cylinder (5), the bottom of hollow structure (54) is provided with logical groove, lead to the inside of groove and feed cylinder (5) and communicate each other.
5. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: fixed lid (6) are "Contraband" type plate structure, threaded connection between inserted block (63) and screw rod (62), the whole of inserted block (63) is "Contraband" type plate structure, and the tip is isosceles trapezoid structure, fixed slot (64) have been seted up to the upper end side of feed cylinder (5), fixed slot (64) are provided with a plurality ofly, and the equal angular distribution of central line around hob (52), match and the one-to-one between cavity (61) and fixed slot (64) are run through to one side of inserted block (63).
6. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: the gasbag (67) is located one side of seal ring (65), hot gas channel (66) are provided with a plurality ofly, and the central line equiangular distribution of hob (52) around, hot gas channel (66) are "L" type opening structure.
7. A raw material extrusion apparatus for 3D printing according to claim 1, wherein: the inside of stirring casing (7) is connected with third pivot (71) through the bearing rotation, the one end of third pivot (71) is provided with second drive arrangement, third pivot (71) go up to cup joint churn (72), the surface of churn (72) is provided with stirring tooth (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410949.9A CN113021890A (en) | 2021-04-16 | 2021-04-16 | A raw and other materials extrusion device for 3D prints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410949.9A CN113021890A (en) | 2021-04-16 | 2021-04-16 | A raw and other materials extrusion device for 3D prints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113021890A true CN113021890A (en) | 2021-06-25 |
Family
ID=76457266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110410949.9A Withdrawn CN113021890A (en) | 2021-04-16 | 2021-04-16 | A raw and other materials extrusion device for 3D prints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113021890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474729A (en) * | 2022-02-09 | 2022-05-13 | 武汉必盈生物科技有限公司 | Novel screw type rapid 3D printing head |
-
2021
- 2021-04-16 CN CN202110410949.9A patent/CN113021890A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474729A (en) * | 2022-02-09 | 2022-05-13 | 武汉必盈生物科技有限公司 | Novel screw type rapid 3D printing head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206217128U (en) | It is a kind of to extrude quality anti-blocking plastic extruder high | |
| CN113021890A (en) | A raw and other materials extrusion device for 3D prints | |
| CN214605821U (en) | Pipe processing extrusion equipment | |
| CN107299763A (en) | A kind of material extrusion device for being used to build 3D printer | |
| CN213408323U (en) | Atomizing oil spout mixing arrangement for feed processing | |
| CN116019243A (en) | Double-screw extruder | |
| CN210911107U (en) | Cooling device for high-density polyethylene sheath material | |
| CN212147455U (en) | PE pipe rotary extrusion device | |
| CN210233925U (en) | Plastic extruding machine | |
| CN212603239U (en) | Extrusion device for powder coating extrusion cooling machine convenient to maintain | |
| CN207889020U (en) | Double screw extruder | |
| CN205915703U (en) | Improve material feeding unit that 3D printed plasticity material degree of consistency and closely knit degree | |
| CN220940108U (en) | Proportioning device for duck feed production | |
| CN217968327U (en) | Plastic extruder with preheating function | |
| CN207874811U (en) | A kind of single-screw extruder | |
| CN219114741U (en) | Feeding and drying device of plastic extruding machine | |
| CN208760022U (en) | A kind of desktop grade 3D printer that material spray is stable | |
| CN221067116U (en) | Insulation device of cable extruder | |
| CN210522666U (en) | A grind machine for paint preparation | |
| CN210362371U (en) | Screw cooling device of screw extruder | |
| CN216368200U (en) | Automatic device that adds of separant | |
| CN210279129U (en) | Reation kettle is used in chemical industry synthesis of quick accuse temperature | |
| CN208856330U (en) | A kind of wall-cooled type screw conveyor | |
| CN212826751U (en) | Anti-adhesion screw for extruder | |
| CN213261015U (en) | Counter-rotating double-screw extruder with adjustable length-diameter ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210625 |
|
| WW01 | Invention patent application withdrawn after publication |