CN116353020B - Double-screw extruder - Google Patents
Double-screw extruder Download PDFInfo
- Publication number
- CN116353020B CN116353020B CN202310304278.7A CN202310304278A CN116353020B CN 116353020 B CN116353020 B CN 116353020B CN 202310304278 A CN202310304278 A CN 202310304278A CN 116353020 B CN116353020 B CN 116353020B
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- fixedly connected
- quantitative
- rod
- extrusion
- sliding
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- 238000001125 extrusion Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 238000007790 scraping Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000035553 feeding performance Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- B29C48/286—Raw material dosing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- 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
- B29C48/287—Raw material pre-treatment while feeding
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a double-screw extruder, which relates to the technical field of double-screw extruders and comprises a screw extrusion assembly, wherein a feed inlet is formed in the top of the screw extrusion assembly, a feed box is fixedly connected in the feed inlet, and two feed holes are formed in the top of the feed box. According to the quantitative feeding mechanism, the telescopic hydraulic cylinder is started to drive the fixed rod to move downwards, the fixed rod moves downwards to drive the movable rod, the U-shaped sliding rod, the pressing plate and the movable plate to extrude materials to be discharged, when the pressing plate moves to the bottom of the quantitative cylinder, the extrusion column can extrude the baffle to be in an open state continuously, so that the materials in the quantitative cylinder can be discharged fully, the materials in the quantitative cylinder can be pushed out completely by the pressing plate and the movable plate, the materials cannot be attached to the inner wall of the quantitative cylinder, and the extrusion baffle is matched with the extrusion column to be in a continuous open state, so that no residual materials exist in the quantitative cylinder, and the material proportioning effect is improved.
Description
Technical Field
The invention relates to the technical field of double-screw extruders, in particular to a double-screw extruder.
Background
The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to the molding processing of extruded products.
Chinese patent with publication number CN113021841B discloses a twin-screw extruder, including horizontal main frame, set up the horizontal extrusion storehouse on horizontal main frame, rotate two crowded material screw rods that set up in horizontal extrusion storehouse, right side arc adjustment tank and left side arc adjustment tank are offered respectively to horizontal extrusion storehouse both sides, all offer the top feed inlet on right side arc adjustment tank and the left side arc adjustment tank, and all slide in right side arc adjustment tank and the left side arc adjustment tank and be equipped with arc quick detach filter equipment.
However, the above invention has the following disadvantages: the structure of the quantitative proportioning of the existing double-screw extruder is simpler, most of the double-screw extruder adopts a weighing mode, a discharging hole is opened for discharging after weighing is completed, and materials are easily attached to the inner wall of a container due to short accumulation of the materials in the process of weighing the materials, so that a small amount of excess materials are arranged in the container, and the proportioning effect of the materials is reduced.
Disclosure of Invention
The present invention is directed to a twin screw extruder to solve the above-mentioned problems.
The technical scheme of the invention is as follows: the double-screw extruder comprises a screw extrusion assembly, wherein a feed inlet is formed in the top of the screw extrusion assembly, a feed box is fixedly connected in the feed inlet, two feed holes are formed in the top of the feed box, and the double-screw extruder further comprises a feeding device;
the two quantitative cylinders are respectively and fixedly connected in the two feeding holes, and one sides of the two quantitative cylinders are fixedly communicated with a feeding pipe;
the quantitative feeding mechanism is positioned on the quantitative barrel and is used for quantitatively feeding materials;
the stirring mechanism is positioned on the feeding box and is used for stirring and mixing materials;
the quantitative feeding mechanism comprises an extrusion scraping unit, an automatic feeding unit and a rotating unit, wherein the extrusion scraping unit comprises two pressing plates which are respectively and slidably connected to the inner walls of the quantitative cylinders, one sides of the pressing plates are provided with sliding grooves, movable plates are slidably connected in the sliding grooves, U-shaped sliding rods are commonly arranged above the quantitative cylinders, sliding holes are formed in the inner walls of the tops of the quantitative cylinders, the two bottoms of the U-shaped sliding rods penetrate through the two sliding holes and are fixedly connected to the tops of the pressing plates respectively, the outer side wall of a cylinder of the feeding box is fixedly connected with a telescopic hydraulic cylinder, the output end of the telescopic hydraulic cylinder is fixedly connected with a fixing rod, one end of each fixing rod is fixedly connected with a movable rod, and the U-shaped sliding rods are in sliding sleeve connection with the movable rods.
Preferably, the automatic feeding unit includes that two are offered respectively and have all been offered the bar hole in two inlet pipe top inner walls, two equal sliding connection in the bar is downthehole has the activity floodgate, two equal fixedly connected with erection column in top of activity floodgate, two the common fixedly connected with connecting rod in top of erection column, the top fixedly connected with L shape pole of connecting rod, the one end fixedly connected with cylinder pole of dead lever, the cylinder pole with L shape pole contacts, two equal sliding sleeve has fixed block on the erection column, two fixed block respectively fixed connection in two one side of quantitative cylinder, two reset spring has all been cup jointed on the erection column, reset spring's both ends respectively with fixed block and connecting rod fixed connection.
Preferably, the movable rod is sleeved with a telescopic spring, and two ends of the telescopic spring are respectively and fixedly connected with the fixed rod and the U-shaped sliding rod.
Preferably, the rotating unit comprises two mounting blocks fixedly connected to the side walls of the bottom of the quantitative cylinder, one side of each mounting block is rotatably connected with a rotating block, the bottom of each rotating block is fixedly connected with a baffle, and the size of each baffle is matched with the size of a discharge hole of the quantitative cylinder.
Preferably, torsion springs are sleeved on the two rotating blocks, and two ends of each torsion spring are fixedly connected with the mounting block and the rotating block respectively.
Preferably, the bottoms of the two pressing plates are fixedly connected with extrusion columns, and the two extrusion columns are respectively matched with the two baffles.
Preferably, two the equal laminating of one side inner wall of quantitative cylinder has the push pedal, two the equal fixedly connected with slide rail in one side of push pedal, two fly leaf sliding connection respectively is on two on the slide rail, two the equal fixedly connected with two sliding columns of opposite side of push pedal, two sliding holes have all been seted up to one side inner wall of quantitative cylinder, every two the one end of sliding column runs through two respectively the sliding hole and common fixedly connected with bar, two one side of quantitative cylinder is all rotated and is connected with the threaded rod, two the bar spiro union respectively on two on the threaded rod.
Preferably, the stirring mechanism comprises a rotating hole formed in the top of the feeding box, a rotating pipe is rotationally connected to the rotating hole, a plurality of stirring rods are fixedly connected to the outer side of a cylinder of the rotating pipe, a driving motor is fixedly connected to the top of the feeding box, a driving shaft is connected to the output end of the driving motor through a coupling, accelerating gears are connected to the driving shaft through all keys, and the two accelerating gears are meshed.
Preferably, the inner wall of the rotating pipe is rotationally connected with a rotating rod, the bottom end of the rotating rod is fixedly connected with a spiral blade, the rotating rod is connected with a reduction gear through keys at the top ends of the driving shafts, and the two reduction gears are meshed.
The invention provides a double-screw extruder through improvement, which has the following improvement and advantages compared with the prior art:
the method comprises the following steps: according to the quantitative feeding mechanism, the telescopic hydraulic cylinder is started to drive the fixed rod to move downwards, the fixed rod moves downwards to drive the movable rod and the U-shaped sliding rod to move downwards, the U-shaped sliding rod drives the pressing plate and the movable plate to extrude materials to be discharged, when the pressing plate moves to the bottom of the quantitative cylinder, the extrusion column can extrude the baffle to be in an open state continuously, so that the materials in the quantitative cylinder can be fully discharged, the materials in the quantitative cylinder can be pushed out completely by the pressing plate and the movable plate, the materials cannot be attached to the inner wall of the quantitative cylinder, and the extrusion baffle is matched with the extrusion column to be in a continuous open state, so that no residual materials exist in the quantitative cylinder, and the material proportioning effect is improved.
And two,: according to the automatic feeding device, after discharging is completed, the telescopic hydraulic cylinder drives the fixed rod to reset, the fixed rod resets to drive the movable rod, the U-shaped sliding rod, the pressing plate and the movable plate to reset, when the pressing plate resets to an initial state, the telescopic hydraulic cylinder drives the fixed rod, the movable rod and the cylindrical rod to continuously ascend, so that the movable rod slides on the U-shaped sliding rod, meanwhile, the telescopic spring is extruded to compress and elastically deform, the cylindrical rod moves to drive the L-shaped rod to move upwards, the L-shaped rod moves to drive the connecting rod, the mounting column and the movable gate to move upwards, the connecting rod moves to drive the reset spring to pull ropes and elastically deform, and feeding pipe is automatically opened into the quantitative cylinder to feed.
And thirdly,: according to the invention, the bar rod is driven to move by rotating the threaded rod, the bar rod moves to drive the two sliding columns to move, the two sliding columns move to drive the push plate to move, and the push plate moves to drive the movable plate to enter the pressing plate, so that the storage space inside the quantitative barrel is regulated, and materials can be better proportioned.
Fourth, it is: according to the invention, through the arrangement of the stirring mechanism, the driving motor drives the driving shaft to rotate, the driving shaft rotates to drive the rotating pipe and the stirring rod to rotate through the two accelerating gears, the stirring rod rotates to stir materials, so that the materials are uniformly mixed, the driving shaft rotates to drive the rotating rod and the spiral blade to rotate through the two decelerating gears, the spiral blade rotates to convey the materials into the screw extrusion assembly, and the rotating speed of the rotating pipe is far faster than that of the rotating rod, so that the materials are fully mixed before being fed into the extruder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall perspective structure of the present invention;
FIG. 2 is a schematic perspective view of a quantitative feeding mechanism in the present invention;
FIG. 3 is a schematic perspective view of a stirring mechanism in the present invention;
FIG. 4 is a schematic perspective view of an extrusion scraping unit in the invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic view of the fit of the threaded rod, bar and sliding column in the present invention;
FIG. 7 is a schematic view showing the internal perspective structure of the quantifying barrel according to the present invention;
FIG. 8 is a schematic view of a rotating tube and rotating rod mating structure in the present invention;
fig. 9 is a schematic view of a cooperation of a quantifying cylinder and a baffle plate in the present invention.
Reference numerals:
1. a screw extrusion assembly; 101. a feed box; 102. a rotary tube; 103. a rotating lever; 104. a reduction gear; 105. a drive shaft; 106. an acceleration gear; 107. a driving motor; 108. a stirring rod; 109. spiral leaves; 2. a quantitative cylinder; 201. a U-shaped slide bar; 202. a movable rod; 203. a fixed rod; 204. a telescopic hydraulic cylinder; 205. a telescopic spring; 206. a pressing plate; 207. a movable plate; 208. a cylindrical rod; 209. an extrusion column; 3. a feed pipe; 301. a movable gate; 302. a mounting column; 303. a fixed block; 304. a return spring; 305. a connecting rod; 306. an L-shaped rod; 4. a threaded rod; 401. a bar; 402. a sliding column; 403. a push plate; 404. a slide rail; 5. a mounting block; 501. a rotating block; 502. a baffle; 503. and a torsion spring.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a double-screw extruder by improvement, which comprises the following technical scheme:
as shown in fig. 1 to 9, the embodiment of the invention provides a double-screw extruder, which comprises a screw extrusion assembly 1, wherein the top of the screw extrusion assembly 1 is provided with a feed inlet, a feed box 101 is fixedly connected in the feed inlet, and the top of the feed box 101 is provided with two feed holes, and further comprises;
the two quantitative barrels 2 are respectively and fixedly connected in the two feeding holes, and one sides of the two quantitative barrels 2 are fixedly communicated with a feeding pipe 3;
the quantitative feeding mechanism is positioned on the quantitative cylinder 2 and is used for quantitatively feeding materials;
the stirring mechanism is positioned on the feeding box 101 and is used for stirring and mixing materials;
the quantitative feeding mechanism comprises an extrusion scraping unit, an automatic feeding unit and a rotating unit, wherein the extrusion scraping unit comprises two pressing plates 206 which are respectively and slidably connected to the inner walls of two quantitative cylinders 2, one sides of the two pressing plates 206 are provided with sliding grooves, movable plates 207 are slidably connected in the two sliding grooves, U-shaped sliding rods 201 are jointly arranged above the two quantitative cylinders 2, sliding holes are formed in the inner walls of the tops of the two quantitative cylinders 2, two bottom ends of the U-shaped sliding rods 201 respectively penetrate through the two sliding holes and are fixedly connected to the tops of the two pressing plates 206, the outer side wall of a cylinder of the feeding box 101 is fixedly connected with a telescopic hydraulic cylinder 204, the output end of the telescopic hydraulic cylinder 204 is fixedly connected with a fixed rod 203, one end top of the fixed rod 203 is fixedly connected with a movable rod 202, and the U-shaped sliding rods 201 are in sliding sleeve joint on the movable rod 202; through the setting of ration feed mechanism, flexible pneumatic cylinder 204 drives dead lever 203 downwardly moving, closes feed pipe 3 then clamp plate 206 and fly leaf 207 downwardly moving earlier and carries out the ejection of compact, has realized utilizing clamp plate 206 and fly leaf 207 can totally release the material in the ration section of thick bamboo 2 for the material can not adhere to on the inner wall of ration section of thick bamboo 2, and then has improved the effect of material ratio.
Further, the automatic feeding unit comprises two strip-shaped holes which are respectively formed in the inner walls of the tops of the two feeding pipes 3, movable gates 301 are slidably connected in the two strip-shaped holes, mounting columns 302 are fixedly connected to the tops of the two movable gates 301, connecting rods 305 are fixedly connected to the tops of the two mounting columns 302 together, L-shaped rods 306 are fixedly connected to the tops of the connecting rods 305, one end of each fixing rod 203 is fixedly connected with a cylindrical rod 208, each cylindrical rod 208 is in contact with each L-shaped rod 306, fixing blocks 303 are slidably sleeved on the two mounting columns 302, the two fixing blocks 303 are fixedly connected to one sides of the two quantitative cylinders 2, reset springs 304 are sleeved on the two mounting columns 302, and two ends of each reset spring 304 are fixedly connected with the corresponding fixing blocks 303 and the corresponding connecting rods 305; through the setting of automatic feeding unit, when flexible pneumatic cylinder 204 drove dead lever 203 and reset, dead lever 203 drives L shape pole 306, connecting rod 305, erection column 302 and movable gate 301 upward movement through cylinder pole 208, has realized opening inlet pipe 3 voluntarily and to carrying out the feeding in the graduated flask 2.
Further, a telescopic spring 205 is sleeved on the movable rod 202, and two ends of the telescopic spring 205 are fixedly connected with the fixed rod 203 and the U-shaped sliding rod 201 respectively; through the setting of extension spring 205, utilize the elasticity of extension spring 205, can not influence flexible pneumatic cylinder 204 and drive movable gate 301 and upwards remove when clamp plate 206 resets to the top of ration section of thick bamboo 2, and then can play the cushioning effect.
Further, the rotating unit comprises two mounting blocks 5 fixedly connected to the side walls of the bottoms of the two quantitative cylinders 2, one sides of the two mounting blocks 5 are respectively and rotatably connected with a rotating block 501, the bottom ends of the two rotating blocks 501 are respectively and fixedly connected with a baffle 502, the sizes of the two baffles 502 are matched with the sizes of discharge holes of the two quantitative cylinders 2, torsion springs 503 are sleeved on the two rotating blocks 501, and two ends of each torsion spring 503 are respectively and fixedly connected with the mounting blocks 5 and the rotating blocks 501; through the arrangement of the torsion spring 503, the discharge hole of the quantitative cylinder 2 is automatically closed by utilizing the elasticity of the torsion spring 503, and when the quantitative cylinder needs to be opened, the baffle 502 is extruded.
Further, the bottoms of the two pressing plates 206 are fixedly connected with extrusion columns 209, and the two extrusion columns 209 are respectively matched with the two baffles 502; through the setting of extrusion post 209, extrusion post 209 can extrude baffle 502 and keep on opening, has realized that the material in the ration section of thick bamboo 2 can fully go on the ejection of compact.
Further, push plates 403 are attached to the inner walls of one sides of the two quantitative cylinders 2, sliding rails 404 are fixedly connected to one sides of the two push plates 403, two movable plates 207 are respectively and slidably connected to the two sliding rails 404, two sliding columns 402 are fixedly connected to the other sides of the two push plates 403, two sliding holes are formed in the inner walls of one sides of the two quantitative cylinders 2, one ends of each two sliding columns 402 respectively penetrate through the two sliding holes and are fixedly connected with bar rods 401 together, threaded rods 4 are rotatably connected to one sides of the two quantitative cylinders 2, and the two bar rods 401 are respectively and spirally connected to the two threaded rods 4; through the setting of threaded rod 4, rotate threaded rod 4 and drive bar 401 and slip post 402 and drive push pedal 403 and remove, realized adjusting the inside storage space of ration section of thick bamboo 2, and then make the material mix ratio that can be better.
Further, the stirring mechanism comprises a rotating hole formed in the top of the feeding box 101, a rotating pipe 102 is rotationally connected to the rotating hole, a plurality of stirring rods 108 are fixedly connected to the outer side of a cylinder of the rotating pipe 102, a driving motor 107 is fixedly connected to the top of the feeding box 101, a driving shaft 105 is connected to the output end of the driving motor 107 through a coupling, accelerating gears 106 are connected to the driving shaft 105 through keys, the two accelerating gears 106 are meshed, a rotating rod 103 is rotationally connected to the inner wall of the rotating pipe 102, a spiral blade 109 is fixedly connected to the bottom end of the rotating rod 103, a reducing gear 104 is connected to the top end of the rotating rod 103 and the top end of the driving shaft 105 through keys, and the two reducing gears 104 are meshed; through the setting of rabbling mechanism, driving motor 107 drives rotation tube 102 and puddler 108 and helical blade 109 through drive shaft 105 and rotates, has realized that puddler 108 stirs the material for the material misce bene, then in carrying the screw extrusion subassembly 1 with the material.
The specific implementation steps are as follows: because current inlet pipe 3 is in open state for the material gets into quantitative section of thick bamboo 2 from inlet pipe 3, and with quantitative section of thick bamboo 2 being filled, start flexible pneumatic cylinder 204 and drive dead lever 203 downwardly moving, dead lever 203 downwardly moving drives movable rod 202 and cylinder pole 208 downwardly moving, the in-process of cylinder pole 208 downwardly moving, because reset spring 304 is in compression state, make reset spring 304 reset drive installing column 302, movable gate 301, connecting rod 305 and L shape pole 306 reset, until movable gate 301 closes inlet pipe 3, at this moment the top and the contact of U-shaped slide bar 201 of movable rod 202, along with flexible pneumatic cylinder 204 drive dead lever 203 continuously downwardly moving, make movable rod 202 drive U-shaped slide bar 201 downwardly moving, U-shaped slide bar 201 drive clamp plate 206, movable plate 207 and extrusion column 209 downwardly moving extrude the material in quantitative section of thick bamboo 2, make material extrusion baffle 502 rotate, baffle 502 rotates and drives rotation block 501, make rotation torque spring 503 rotate and take place elastic deformation, simultaneously baffle 502 rotates and opens quantitative section of thick bamboo 2's discharge gate, make fall into in the interior clamp plate 101 and continuously move to the bottom of quantitative section of thick bamboo 2 when the cylinder 2 is in the extrusion state, and can not make full use of the material ratio in the extrusion column 2, and the bottom of the extrusion column 2 is in the continuous extrusion column 2 is in the state is realized, and the extrusion column 2 is in the extrusion column 2 is not opened.
After discharging is completed, the telescopic hydraulic cylinder 204 drives the fixed rod 203 to reset, the fixed rod 203 resets to drive the movable rod 202, the U-shaped sliding rod 201, the pressing plate 206 and the movable plate 207 to reset, when the pressing plate 206 resets to an initial state, the telescopic hydraulic cylinder 204 drives the fixed rod 203, the movable rod 202 and the cylindrical rod 208 to continuously ascend, so that the movable rod 202 slides on the U-shaped sliding rod 201, meanwhile, the telescopic spring 205 is extruded to compress and elastically deform, the cylindrical rod 208 moves to drive the L-shaped rod 306 to move upwards, the L-shaped rod 306 moves to drive the connecting rod 305, the mounting column 302 and the movable gate 301 to move upwards, and the connecting rod 305 moves to drive the return spring 304 to pull ropes and elastically deform, so that feeding pipe 3 is automatically opened into the fixed cylinder 2.
The threaded rod 4 is rotated to drive the bar 401 to move, the bar 401 moves to drive the two sliding columns 402 to move, the two sliding columns 402 move to drive the push plate 403 to move, the push plate 403 moves to drive the movable plate 207 to enter the pressing plate 206, the storage space inside the quantitative barrel 2 is adjusted, and then materials can be better proportioned.
The driving motor 107 drives the driving shaft 105 to rotate, the driving shaft 105 rotates to drive the rotating pipe 102 and the stirring rod 108 to rotate through the two accelerating gears 106, the stirring rod 108 rotates to stir materials, the materials are uniformly mixed, the driving shaft 105 rotates to drive the rotating rod 103 and the spiral blade 109 to rotate through the two decelerating gears 104, the spiral blade 109 rotates to convey the materials into the screw extrusion assembly 1, and the rotating speed of the rotating pipe 102 is far faster than that of the rotating rod 103, so that the materials are fully mixed before being fed into the extruder.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A twin screw extruder comprising a screw extrusion assembly (1), characterized in that: the screw extrusion device is characterized in that a feed inlet is formed in the top of the screw extrusion component (1), a feed box (101) is fixedly connected in the feed inlet, two feed holes are formed in the top of the feed box (101), and the screw extrusion device further comprises;
the two quantitative barrels (2), the two quantitative barrels (2) are respectively and fixedly connected in the two feeding holes, and one sides of the two quantitative barrels (2) are fixedly communicated with a feeding pipe (3);
the quantitative feeding mechanism is positioned on the quantitative barrel (2) and is used for quantitatively feeding materials;
the stirring mechanism is positioned on the feeding box (101) and is used for stirring and mixing materials;
the quantitative feeding mechanism comprises an extrusion scraping unit, an automatic feeding unit and a rotating unit, wherein the extrusion scraping unit comprises two pressing plates (206) which are respectively and slidably connected with the inner walls of the quantitative barrels (2), one sides of the pressing plates (206) are provided with sliding grooves, two sliding plates (207) are respectively and slidably connected with the sliding grooves, U-shaped sliding rods (201) are jointly arranged above the quantitative barrels (2), sliding holes are respectively and slidably arranged on the inner walls of the tops of the quantitative barrels (2), the two bottom ends of the U-shaped sliding rods (201) respectively penetrate through the two sliding holes and are fixedly connected with the tops of the two pressing plates (206), the outer side wall of a cylinder of a feeding box (101) is fixedly connected with a telescopic hydraulic cylinder (204), the output end of the telescopic hydraulic cylinder (204) is fixedly connected with a fixed rod (203), one end top of the fixed rod (203) is fixedly connected with a movable rod (202), the U-shaped sliding rods (201) are slidingly sleeved on the movable rod (202) and comprise two sliding holes which are respectively and fixedly connected with two strip-shaped connecting rods (301) which are respectively and fixedly connected with the tops of two strip-shaped connecting rods (301) respectively and are fixedly connected with two strip-shaped connecting rods (301), the top fixedly connected with L shape pole (306) of connecting rod (305), the one end fixedly connected with cylinder pole (208) of dead lever (203), cylinder pole (208) with L shape pole (306) contact, two all sliding connection has fixed block (303) on installing post (302), two fixed block (303) respectively fixedly connected with two one side of ration section of thick bamboo (2), two reset spring (304) have all been cup jointed on installing post (302), reset spring (205) have been cup jointed on both ends respectively with fixed block (303) and connecting rod (305) fixed connection movable rod (202), telescopic spring (205) both ends respectively with fixed rod (203) and U shape slide bar (201) fixed connection the rotation unit include two fixed connection in two install piece (5) of ration section of thick bamboo (2) bottom lateral wall, two one side of install piece (5) all rotates and is connected with rotation piece (501), two ends of two rotation piece (501) are connected with two big and small in diameter baffle (502) are all cup jointed on two rotation piece (502) big in a fixed connection with two baffle (503), the two ends of the torsion spring (503) are fixedly connected with the mounting block (5) and the rotating block (501) respectively, the bottoms of the pressing plates (206) are fixedly connected with extrusion columns (209), and the two extrusion columns (209) are respectively matched with the two baffles (502).
2. A twin screw extruder as defined in claim 1, wherein: two the equal laminating of one side inner wall of ration section of thick bamboo (2) has push pedal (403), two the equal fixedly connected with slide rail (404) in one side of push pedal (403), two fly leaf (207) sliding connection respectively in two on slide rail (404), two the equal fixedly connected with of opposite side of push pedal (403) two slip post (402), two the two slide holes have all been seted up to one side inner wall of ration section of thick bamboo (2), every two the one end of slip post (402) runs through two respectively the slide hole and common fixedly connected with bar (401), two the equal rotation in one side of ration section of thick bamboo (2) is connected with threaded rod (4), two bar (401) spiro union respectively on two on threaded rod (4).
3. A twin screw extruder as defined in claim 1, wherein: the stirring mechanism comprises a rotating hole formed in the top of a feeding box (101), a rotating pipe (102) is rotationally connected to the rotating hole, a plurality of stirring rods (108) are fixedly connected to the outer side of a cylinder of the rotating pipe (102), a driving motor (107) is fixedly connected to the top of the feeding box (101), a driving shaft (105) is connected to the output end of the driving motor (107) through a coupling, an accelerating gear (106) is connected to the driving shaft (105) through keys, and the accelerating gears (106) are meshed.
4. A twin screw extruder as defined in claim 3, wherein: the inner wall rotation of pivoted tube (102) is connected with dwang (103), the bottom fixedly connected with helical blade (109) of dwang (103), dwang (103) with the equal key-type in top of drive shaft (105) is connected with reduction gear (104), two reduction gear (104) mesh mutually.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310304278.7A CN116353020B (en) | 2023-03-27 | 2023-03-27 | Double-screw extruder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310304278.7A CN116353020B (en) | 2023-03-27 | 2023-03-27 | Double-screw extruder |
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| CN116353020A CN116353020A (en) | 2023-06-30 |
| CN116353020B true CN116353020B (en) | 2023-10-03 |
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| CN116691039B (en) * | 2023-08-03 | 2023-09-29 | 携晟挤出技术(江苏)有限公司 | Double-screw extrusion tablet press for EVA material and use method thereof |
| CN117358135B (en) * | 2023-12-08 | 2024-03-12 | 格莱德(福建)生物科技有限公司 | Canine feed particle processing equipment capable of weighing and quantitatively adding |
| CN118287461B (en) * | 2024-06-05 | 2024-08-02 | 长治陆港国际物流有限公司 | Cleaning device for large coal storage silo |
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| CN116353020A (en) | 2023-06-30 |
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