CN207224547U - Accurate double screw extruder - Google Patents
Accurate double screw extruder Download PDFInfo
- Publication number
- CN207224547U CN207224547U CN201721058684.6U CN201721058684U CN207224547U CN 207224547 U CN207224547 U CN 207224547U CN 201721058684 U CN201721058684 U CN 201721058684U CN 207224547 U CN207224547 U CN 207224547U
- Authority
- CN
- China
- Prior art keywords
- gear
- screw extruder
- machine barrel
- double screw
- cylinder
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of accurate double screw extruder, a kind of its key points of the technical solution are that precision double screw extruder, including rack, the rack is equipped with machine barrel, the machine barrel is made of several cylinders, " ∞ " type screw slot is equipped with the cylinder, two parallel screw rods is equipped with the machine barrel, some screwing elements is socketed with screw rod.The size of each cylinder is smaller, and dimensional accuracy easily reaches in processing；The dimensional accuracy of single screwing element easily reaches in processing, thus precision higher on the whole, and the gap smaller of screwing element and cylinder inboard wall, in materiel machining, material leakage current and material residual are smaller, are conducive to improve production efficiency.
Description
Technical field
Extruder field is the utility model is related to, more particularly to a kind of accurate double screw extruder.
Background technology
Double screw extruder is a kind of machine for being rotated by screw rod in cylinder and promoting material to travel forward, extensive use
Handled in the devolatilization of the filling of rubber and plastic and engineering resin, blending, modification, enhancing, chlorinated polypropylene and super absorbent resin.
At present, in the market notification number is that the Chinese utility model patent of CN202702581U discloses a kind of twin-screw extrusion
Machine.Including rack, transmission mechanism, feeding funnel, barrel and heater, the transmission mechanism, feed mechanism, barrel and heater are equal
In the rack, the transmission mechanism includes motor and speed reducer, and the motor connects the gear reducer, the feeding funnel
On the barrel, two parallel screw rods are equipped with the barrel, the screw rod is all connected with the gear reducer, the barrel
Equipped with heater, the end of the barrel is equipped with extrusion.
Although solid material can be liquefied and extrude barrel by above-mentioned double screw extruder, since barrel size is larger,
Machining accuracy is difficult to ensure that, there are larger gap between screw rod and barrel, leakage current is big during materiel machining, and processing efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of accurate double screw extruder, its advantage is processing efficiency higher.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of precision twin-screw squeezes
Go out machine, including rack, the rack is equipped with machine barrel, and the machine barrel includes several cylinders being detachably connected, the cylinder
It is interior to be equipped with " ∞ " type screw slot, two parallel screw rods are equipped with the machine barrel, some screw thread members are socketed with the screw rod
Part, the rack are equipped with the driving mechanism of drive screw turns.
Through the above technical solutions, machine barrel is made of several cylinders, the size of each cylinder is smaller, and cylinder is in processing
Easily reach higher dimensional accuracy；Similar, some screwing elements are arranged with screw rod, single screwing element holds in processing
Easily reach the gap smaller of higher dimensional accuracy, thus precision higher on the whole, screwing element and cylinder inboard wall, processing
During material, material leakage current and material residual are small, are conducive to improve production efficiency and the self-cleaning of the precision double screw extruder；Can
Some cylinders of dismantling connection have been also convenient for the maintenance of the precision double screw extruder, are convenient to clean on cylinder and screwing element
Residue or corrosion.
The utility model is further arranged to：External splines is equipped with the screw rod along its length, in the screwing element
Equipped with the internal spline for coordinating external splines.
Through the above technical solutions, by the cooperation of external splines and internal spline, pair when screwing element is set on screw rod
Neutral preferable, what screwing element can be reliable and stable is connected on screw rod, and the driving torque that can be born is big, stable drive.
The utility model is further arranged to：The both ends of the cylinder are equipped with mounting base, and the mounting base is equipped with some
Pin hole, is plugged with positioning pin in the pin hole on the two neighboring cylinder.
Through the above technical solutions, when two neighboring cylinder connection is fixed, positioning pin is used to be inserted into the pin hole of two cylinders
In, the relative position of two cylinders is positioned, makes the installation accuracy higher between two cylinders, therefore between cylinder and screwing element
Gap it is smaller, be conducive to improve the processing efficiency for saying screw extruder.
The utility model is further arranged to：The mounting base is equipped with some bolts hole, on the two neighboring cylinder
Bolt hole be connected with bolt assembly.
Through the above technical solutions, two neighboring cylinder, easy for installation and company are fixed through bolt hole by bolt assembly
Connect reliable.
The utility model is further arranged to：The driving mechanism includes driving motor and retarder, the driving motor
Belt is connected between retarder, gear-box is equipped between the retarder and screw rod.
Through the above technical solutions, driving motor rotates and passes through belt, retarder and gear-box drive screw turns, belt
Stable transmission, noise are small；Retarder passes to screw rod after the rotating speed for driving motor is suitably slowed down so that the rotating speed of screw rod more closes
It is suitable, screw rod rotational power bigger；The output speed of retarder is transferred on two screw rods by gear-box at the same time.
The utility model is further arranged to：One end of two screw rods is connected to the first gear to stagger and
Two gears, the first gear engagement are connected with the 3rd gear, and the second gear, which engages, is connected with the 4th gear, and the described 3rd
Universal driving shaft is connected between gear and the 4th gear, the second gear is connected to retarder.
Through the above technical solutions, retarder drives the 4th gear to rotate, the 3rd gear and the 4th gear synchronous rotate, the
Three gears drive first gear transmission, and the 4th gear drives second gear to rotate, therefore first gear and second gear turn in the same direction
It is dynamic, control the gearratio of first gear and the 3rd gear to be equal to the gearratio of second gear and the 4th gear, you can to realize first
Gear and second gear rotate at the same speed in the same direction.
The utility model is further arranged to：The rack is equipped with cushion socket, and the cushion socket includes connection frame
The bottom plate of top plate and placement on the ground, is equipped with beam between the top plate and top plate.
Through the above technical solutions, cushion socket is used for rack and machine barrel damping so that working stability on the whole, reduces work
Make the work consume of machine barrel, beam absorbs the vibration energy for being transferred to top plate, effectively slows down the vibrations of machine barrel and rack.
The utility model is further arranged to：The machine barrel is equipped with drawing-in device, and the machine barrel is externally provided with heating unit,
One end of the machine barrel is equipped with head, and the head is equipped with the mouth mold for material forming.
Through the above technical solutions, drawing-in device is used for machine barrel feeding, heating unit be used for the material in machine barrel into
Row heating, material is heated, extrudes, is molded into product by mouth mold after mixing.
The utility model is further arranged to：The drawing-in device includes being arranged on the hopper above machine barrel, the hopper
Lower end is equipped with the horizontal feed pipe being connected with machine barrel.
Through the above technical solutions, hopper is used to store material, the material in hopper enters in machine barrel via feed pipe, horizontal
It may be such that fill process is uniform and stable to the feed pipe of setting.
The utility model is further arranged to：Material-feeding shaft is equipped with the feed pipe, the material-feeding shaft is axially arranged with along it
Spiral blade, one end of the material-feeding shaft are equipped with feeding motor.
Through the above technical solutions, driving material-feeding shaft and spiral blade to rotate when feeding motor works, blade promotes thing
Material, which enters in machine barrel, realizes feeding, and feeding procedure is reliable and stable.
In conclusion the utility model has the advantages that：
1st, machine barrel is made of some cylinders, and screw rod is equipped with the dimensional accuracy of some screwing elements, cylinder and screwing element
It is higher, reduce the gap between screwing element and cylinder, reduce leakage current, improve production efficiency；
2nd, cushion socket absorbs the vibration resistance of machine barrel, slows down its shockproofness, is conducive to the overall smooth working of lifting；
3rd, feeding motor drives material-feeding shaft and blade to carry out feeding to machine barrel, and feeding procedure is uniform, the vibrations of machine barrel and mill
Damage is smaller.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the structure diagram that screw slot is embodied in the present embodiment；
Fig. 4 is the enlarged drawing at B in Fig. 3；
Fig. 5 is the partial schematic diagram that gear-box is embodied in the present embodiment；
Fig. 6 is the partial schematic diagram that driving motor is embodied in the present embodiment；
Fig. 7 is the partial schematic diagram that blade is embodied in the present embodiment.
Reference numeral：1st, rack；2nd, machine barrel；3rd, cylinder；31st, screw slot；32nd, mounting base；321st, pin hole；322nd, bolt
Hole；4th, screw rod；41st, external splines；5th, screwing element；6th, internal spline；7th, positioning pin；8th, bolt assembly；9th, motor is driven；10th, subtract
Fast device；11st, belt；12nd, gear-box；13rd, first gear；14th, second gear；15th, the 3rd gear；16th, the 4th gear；17th, join
Moving axis；18th, cushion socket；181st, top plate；182nd, beam；183rd, bottom plate；19th, heating unit；20th, head；201st, mouth mold；21、
Hopper；22nd, feed pipe；23rd, feeding motor；24th, material-feeding shaft；25th, blade；26th, hood.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：With reference to figure 1 and Fig. 2, a kind of precision double screw extruder, including rack 1, rack 1 are equipped with machine barrel 2,
Machine barrel 2 is equipped with the hopper 21 for holding raw material, and the outside of machine barrel 2 is equipped with heating unit 19, and the outside of heating unit 19 is equipped with coating machine
The hood 26 of cylinder 2 and heating unit 19（Part hood 26 is concealed in Fig. 1）.
With reference to figure 1 and Fig. 2, machine barrel 2 is made of several cylinders 3, and the both ends of cylinder 3 are equipped with mounting base 32, mounting base 32
Be equipped with two pin holes 321（One is only presented in Fig. 2）, when two neighboring cylinder 3 connects, its mounting base 32 is close to one
Rise, be inserted into using positioning pin 7 in the pin hole 321 of adjacent mounting base 32, realize the positioning of two cylinders 3 so that when cylinder 3 is installed
Higher installation accuracy can be reached.Mounting base 32 is circumferentially additionally provided with multiple bolts hole 322, is passed through using bolt assembly 8
Two neighboring cylinder 3 is installed together by bolt hole 322.
With reference to figure 3 and Fig. 4, screw slot 31 is equipped with cylinder 3, screw slot 31 is " ∞ " type, and two are equipped with screw slot 31
Parallel screw rod 4, is arranged with some screwing elements 5 on screw rod 4, to make the connection of screwing element 5 and screw rod 4 reliable, outside screw rod 4
Edge is equipped with external splines 41, and the internal spline 6 for coordinating external splines 41 is equipped with screwing element 5, when screwing element 5 is socketed on screw rod 4,
The internal spline 6 on external splines 41 and screwing element 5 on screw rod 4 engages, and screw rod 4 and screwing element 5 can bear larger moment of torsion,
Stable transmission.Spline connection is used between screw rod 4 and screwing element 5 also so that screw rod 4 and screwing element 5 to neutral preferable,
The installation accuracy of screw rod 4 and screwing element 5 is further increased, when screw rod 4 and screwing element 5 are installed in screw slot 31, spiral shell
The concentricity of texel part 5 and screw slot 31 is high, and the gap between screwing element 5 and screw slot 31 is small, screw rod 4 and screwing element 5
When rotating push material, the leakage current amount formed by the gap between screwing element 5 and screw slot 31 is smaller, therefore can effectively carry
The production efficiency of high-accuracy double screw extruder.Meanwhile screwing element 5 and the gap of screw slot 31 are small, when screwing element 5 rotates
Material ratio in screw slot 31 can more completely be transferred out screw slot 31, thus have higher self-cleaning, process rear screw rod
Surplus material in groove 31 is few, can directly switch to process other materials without extra cleaning, further increase
Production efficiency.
With reference to figure 6, top plate 181 is equipped with the driving motor 9 for being used for driving screw rod 4.Driving motor 9 is connected by belt 11
There are retarder 10, retarder 10 to be transferred to screw rod 4 after the rotating speed for driving motor 9 is suitably slowed down so that the rotating speed of screw rod 4 is closing
In suitable scope.11 transmission efficiency of belt, noise are small, and when suffered resistive torque is larger on screw rod 4, belt 11 can also play overload
The effect of protection so that screw rod 4 and screwing element 5 are hardly damaged, and extend its service life.
With reference to figure 5, two screw rods 4 work using the mode of rotating in same direction, and two screw rods 4 are realized together by gear-box 12
Rotated to synchronized.16 4 first gear 13, second gear 14, the 3rd gear 15 and the 4th gear teeth are equipped with gear-box 12
Wheel, wherein, first gear 13 and second gear 14 are connected on two screw rods 4, the 3rd gear 15 and the 4th gear 16 it
Between be connected with universal driving shaft 17,13 and the 3rd gear 15 of first gear engages, and 14 and the 4th gear 16 of second gear engages.To make
One gear 13 is identical with 14 rotating speed of second gear, and the ratio between number of teeth of 13 and the 3rd gear 15 of first gear is equal to 14 He of second gear
The ratio between number of teeth of 4th gear 16.
With reference to figure 3, the lower section of rack 1 is equipped with cushion socket 18, and cushion socket 18 includes top plate 181, bottom plate 183 and beam 182
Three parts, wherein, between top plate 181 and bottom plate 183, rack 1 is installed on top plate 181 beam 182.Beam
182 can absorb machine barrel 2（With reference to figure 1）The vibrations on top plate 181 are transferred to rack 1, therefore, machine barrel 2 is at work more
Steadily.
With reference to figure 7, the top of cylinder 3 is equipped with hopper 21, and hopper 21 is used to hold material, and the lower section of hopper 21 is equipped with horizontal feed
Expects pipe 22, feed pipe 22 are connected to the screw slot 31 in cylinder 3.It is equipped with material-feeding shaft 24 in feed pipe 22, material-feeding shaft 24 is along its axis
To equipped with spiral blade 25, one end that material-feeding shaft 24 is stretched out outside feed pipe 22 is connected with feeding motor 23.Feeding motor 23
When work rotates, drive material-feeding shaft 24 and spiral blade 25 to rotate, the material in hopper 21 is delivered in machine barrel 2.Profit
With 25 forced conveyance material of material-feeding shaft 24 and blade, reduce arch formation of the material in hopper 21, feeding procedure is steady, cylinder
Body 3 and screw rod 4 are not easy to produce vibrations because feeding is unstable.
The course of work：The raw material being stirred is put into hopper 21, opens driving motor 9 and feeding motor 23, heating dress
19 energizations are put, material falls into feed pipe 22 and is delivered to by material-feeding shaft 24 and 25 uniform and stable of blade in machine barrel 2, heating unit
19 heated materials, screw rod 4, which rotates, to be extruded material, sheared and is conveyed, by material during head 20 according on head 20
Mouth mold 201 is molded into given shape.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of precision double screw extruder, including rack (1), it is characterised in that the rack (1) is equipped with machine barrel (2), institute
Stating machine barrel (2) includes several cylinders (3) being detachably connected, and " ∞ " type screw slot (31) is equipped with the cylinder (3), described
Two parallel screw rods (4) are equipped with machine barrel (2), some screwing elements (5), the rack are socketed with screw rod (4)（1）On
Equipped with driving screw rod（4）The driving mechanism of rotation.
2. precision double screw extruder according to claim 1, it is characterised in that on the screw rod (4) along its length
Equipped with external splines (41), the internal spline (6) for coordinating external splines (41) is equipped with the screwing element (5).
3. precision double screw extruder according to claim 1, it is characterised in that the both ends of the cylinder (3) are equipped with peace
Seat (32) is filled, the mounting base (32) is equipped with some pin holes (321), in the pin hole (321) on the two neighboring cylinder (3)
It is plugged with positioning pin (7).
4. precision double screw extruder according to claim 3, it is characterised in that the mounting base (32) is equipped with some
Bolt hole (322), the bolt hole (322) on the two neighboring cylinder (3) are connected with bolt assembly (8).
5. precision double screw extruder according to claim 1, it is characterised in that the driving mechanism includes driving motor
(9) and retarder (10), described drive are connected with belt (11), the retarder (10) between motor (9) and retarder (10)
Gear-box (12) is equipped between screw rod (4).
6. precision double screw extruder according to claim 5, it is characterised in that one end of two screw rods (4) point
The first gear (13) and second gear (14) to stagger is not connected with, and first gear (13) engagement is connected with the 3rd gear
(15), the second gear (14) engagement is connected with the 4th gear (16), the 3rd gear (15) and the 4th gear (16) it
Between be connected with universal driving shaft (17).
7. precision double screw extruder according to claim 1, it is characterised in that the rack (1) is equipped with cushion socket
(18), the cushion socket (18) includes the bottom plate (183) of the top plate (181) and placement of connection frame (1) on the ground, the top
Beam is equipped between plate (181) and top plate (181)（182）.
8. precision double screw extruder according to claim 1, it is characterised in that the machine barrel (2) fills equipped with feeding
Put, the machine barrel (2) is externally provided with heating unit (19), and one end of the machine barrel (2) is equipped with head (20), on the head (20)
Equipped with the mouth mold (201) for material forming.
9. precision double screw extruder according to claim 8, it is characterised in that the drawing-in device includes being arranged on machine
Hopper (21) above cylinder (2), hopper (21) lower end are equipped with the horizontal feed pipe (22) being connected with machine barrel (2).
10. precision double screw extruder according to claim 9, it is characterised in that be equipped with and feed in the feed pipe (22)
Expect axis (24), the material-feeding shaft (24) is axially arranged with spiral blade (25) along it, and one end of the material-feeding shaft (24) is equipped with
Feeding motor (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721058684.6U CN207224547U (en) | 2017-08-22 | 2017-08-22 | Accurate double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721058684.6U CN207224547U (en) | 2017-08-22 | 2017-08-22 | Accurate double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207224547U true CN207224547U (en) | 2018-04-13 |
Family
ID=61858606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721058684.6U Active CN207224547U (en) | 2017-08-22 | 2017-08-22 | Accurate double screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207224547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789100A (en) * | 2019-11-11 | 2020-02-14 | 芜湖荣基密封系统有限公司 | Extrusion device for preparing rubber sealing element |
-
2017
- 2017-08-22 CN CN201721058684.6U patent/CN207224547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789100A (en) * | 2019-11-11 | 2020-02-14 | 芜湖荣基密封系统有限公司 | Extrusion device for preparing rubber sealing element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209158871U (en) | Extruder is used in a kind of production of PE tubing | |
| CN104354236B (en) | A kind of tandem rubber compound continuous mixing device | |
| CN111283983B (en) | Plastic melting double-screw extrusion molding machine | |
| CN105673818B (en) | Single screw extrusion machine main-gear box assembly and its application | |
| CN207224547U (en) | Accurate double screw extruder | |
| CN208576127U (en) | A kind of injection molding machine hopper with stirring structure | |
| CN207682903U (en) | Feeding device in production process of modified plastic material | |
| CN212097462U (en) | Double-screw extruder for plastic production | |
| CN209257440U (en) | One kind is for producing film extruder die head | |
| CN204054608U (en) | Three screw rod banded extruders | |
| CN201291590Y (en) | Novel dual-screw extrusion pelleting press | |
| CN104149305B (en) | A kind of incorgruous efficient mixing extruder of annular spread screw rod | |
| CN105729656A (en) | Efficient edge recycling injection moulding machine | |
| CN204976962U (en) | Novel two -stage vacuum brick extruding machine | |
| CN103895210B (en) | Parallel counter-rotating double-screw extruder | |
| CN207240785U (en) | A kind of extruder | |
| CN201841655U (en) | Triangularly arranged tapered three-screw extruder | |
| CN223173528U (en) | High plasticizing double alloy machine barrel screw | |
| CN201385377Y (en) | Forced material spreading device of hollow building-block forming machine | |
| CN207889020U (en) | Double screw extruder | |
| CN219679728U (en) | Double-screw extruder for processing recombinant rice | |
| CN210880802U (en) | Single-screw thread module for strengthening dispersion effect | |
| CN223493812U (en) | A mechanical protective sleeve production device | |
| CN216506911U (en) | Food package material is crowded outer layer monocycle structure of extruding with twin-screw altogether | |
| CN205185271U (en) | High -efficient extruding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |