CN2815670Y - High polymer crossblend mixing forming equipment - Google Patents
High polymer crossblend mixing forming equipment Download PDFInfo
- Publication number
- CN2815670Y CN2815670Y CNU2004200983438U CN200420098343U CN2815670Y CN 2815670 Y CN2815670 Y CN 2815670Y CN U2004200983438 U CNU2004200983438 U CN U2004200983438U CN 200420098343 U CN200420098343 U CN 200420098343U CN 2815670 Y CN2815670 Y CN 2815670Y
- Authority
- CN
- China
- Prior art keywords
- storage chamber
- mixing
- banbury
- glue storage
- extruder
- 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.)
- Expired - Fee Related
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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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- 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
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
-
- 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
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
- B29B7/186—Rotors therefor
-
- 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
- B29B7/22—Component parts, details or accessories; Auxiliary operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses high polymer blend mixing forming equipment which is mainly composed of a banburying part 1, a rubber storing part 2 and an extruding part 3. A banbury mixer which is improved adopts a lateral face to discharge materials. When the banbury mixer is turned to a different direction to rotate, the mixing is carried out. When the banbury mixer is turned to a same direction to rotate, the materials are discharged. A material discharge hole of the banbury mixer is connected with a feeding hole of a rubber storing chamber, and a material discharge hole of the rubber storing chamber is connected with a feeding hole of an extruder. The rubber materials which are mixed are pressed into the extruder through a forcing feeding device in the rubber storing chamber. A material level sensor which is arranged in the rubber storing chamber is used for controlling the speed of the banburying and the extrusion, the discontinuous connection and the continuous connection can be realize, and the purpose of continuous extrusion forming is achieved.
Description
Technical field
The utility model relates to the mixing and processing and forming field of macromolecular material, particularly a kind of equipment of superpolymer blend mixing and molding.
Background technology
In the macromolecular material process of (comprising rubber, plastics and various synthetic resin etc.), mixing is a very important processing link; Mixing quality final decision the quality and the service life of high polymer end product quality, therefore,, at home and abroad be the focus that processing of high molecular material circle is paid close attention to all the time for the research and the improvement of mixing link.The most of banbury that uses of factory is realized calendering process at present.Banbury is that other type can't replace through improvement for many years at the premium properties aspect the banburying quality.But banbury defective fundamentally also can't overcome.For example intermittent mixing mode, the reinforced batch and the batch of binder removal; This contradicts with high efficiency with modern big serialization of producing.Therefore, how to realize that continuous mixing is the target that rubber and other high polymer processing industries are pursued all the time.Farrel company develops, produces the continuous mixer of various models at present, but these types only are applicable to plastics and granular or pulverous compounding rubber, and the bulk rubber that uses for present rubber and tire plant, can't realize continuous mixing, even also need repeatedly to process repeatedly the melting effect that just can reach expection for the continuous mixing of granular or Powdered rubber.Therefore, at present compounding rubber mainly still depends on banbury and finishes, and carries out compressing tablet through tablet press machine then or through extruder for shaping.Because work is discontinuous, can not automated production, increased working strength of workers, improved production cost, reduced production efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of can overcome the shortcoming that bulk rubber in the prior art can not continuous mixing be extruded, realize both having had the good mixing quality of banbury, can resemble simultaneously quantity-produced equipment the extruder again, but, enhance productivity and alleviate labor strength to reach the purpose of automated production.
For achieving the above object, the utility model provides a kind of equipment and method that makes high polymer, the moulding of blend continuous mixing.The utility model equipment mainly by banburying, deposit glue, three parts such as extrude and form, mixing part of the present utility model still adopts intermittent mode, and the work of extruding part is continuous.For finishing intermittently and continuous linking, set up glue storage chamber in banburying with in the middle of extruding operation.Internal mixing parts and extruding part adopt existing banbury and extruder, to its key component structure, transform.Divide three parts to describe in detail below:
1. internal mixing parts
Internal mixing parts mainly improves the rotor and the discharge method of traditional banbury.Closed-smelting machine rotor play crucial effects in Polymer Processing, so the design of rotor directly has influence on the processing effect of polymer as the core of banbury always.Rotor of the present utility model is that design is improved on the basis with synchronous shearing rotor, and rotor adopts many ribs shearing rotor, and the rotation direction of rib is all left-handed or is all dextrorotation.Rib can evenly distribute on base cylinder, also can distribution or asymmetrical distribution.The helical angle of each rib can equate also can be unequal, and span is between 25 °～50 °.The working rotor partial-length is l, and the length of first rib is l
1, the length of n rib is l
n, extend to the centre from working rotor part two ends respectively.The length of each rib can equate also can be unequal.l
1/ l and l
nThe value of/l is within 0.5～0.9 scope.Can add the short rib that rotation direction is opposite in the middle part of two long ribs as required, can promote material in epitrochanterian, to circulate like this, strengthen the mixing shear action of material.The special shape of the utility model rotor can be realized two kinds of functions of mixing and axial conveying: under mixing state, it is a pair of synchronous shearing rotor, when sizing material in banburying chamber behind mixing the finishing, change the transmission direction of one of them rotor, make it carry out the opposite direction running, such two rotors become rotation in the same way by original rotation in opposite directions, and this moment, rotor just can produce axial conveying effect to material, thereby realize axial binder removal, be similar to parallel dual-screw extruding machine.Rotor of the present utility model drives can adopt dual mode: the one, and adopt hydraulic motor directly to drive, the 2nd, adopt the motor driven gear case to drive.Hydraulic motor directly drives, and commutation is flexible, convenient, and floor space is less.The motor driven gear case drives then can guarantee two rotor run-in synchronisms well, but relative complex is installed, and floor space is bigger.The user can select different type of drive according to different fabricating yards.At present the banbury discharge way has two kinds, the end open the door discharging and convertible discharging.What the present invention adopted is the side discharge way.Sidewall in banburying chamber is provided with discharge gate.In order to guarantee melting effect, when mixing, need keep the air-tight state of banburying chamber, designed rubber block at discharge gate.The size of the size of rubber block and banbury binder removal mouth is complementary, and the motion of rubber block is controlled by hydraulic cylinder.When mixing, rubber block withstands locking with the discharge gate sealing and by hydraulic cylinder to sizing material, makes banburying chamber be in sealing state in banbury; Sizing material is mixing finish after, hydraulic cylinder drives the rubber block motion, opens discharge gate, two rotors become rotation in the same way by rotation in opposite directions simultaneously, sizing material just can drain into glue storage chamber from banburying chamber.
2. glue storage chamber's part
In order to realize that the place is provided with glue storage chamber at the banbury discharge gate by intermittently mixing linking of extruding continuously to extruder of banbury.Shape the first half of glue chamber is square or rectangle, the latter half is square, rectangle or columnar convergent contour, the shape at discharging opening place and the charging aperture of extruder are complementary, after the sizing material that mixes enters glue storage chamber by banburying chamber, by forcing feeding device that sizing material is pressed in the charging aperture of extruder.What the utility model adopted is hot feeding manner, and banbury and extruder must have certain storage sizing material in the glue storage chamber when working respectively, to prevent extruder idle running, so the volume of glue storage chamber should be 1～3 times of mixer mixing chamber volume.Sizing material in the glue storage chamber is met cold hardening phenomenon and is taken place, need to glue storage chamber be incubated, heat treated.In addition, glue storage chamber is provided with visual windows, so that in time observe the storage condition of sizing material, rotating speed by control closed-smelting machine rotor and extruder screw, best storage capacity in the control glue storage chamber guarantees the extruder continuous operation, thereby realizes intermittently mixing purpose to continuous extrusion.What the utility model was primarily aimed at is full-bodied rubber and rubble thermoplastics blend, and the extruding part forced feed can make extrudes better effects if.Extruder drawing-in device commonly used at present generally is to increase rotating screw in loading hopper, other pressure roller or conveying screw rod, but this drawing-in device is to full-bodied rubber and rubble thermoplastics blend incompatibility, therefore, the utility model has been installed a kind of " fourth " font and has been forced feeding device in glue storage chamber, this installs by Driven by Hydraulic Cylinder, and is reciprocating along the spout direction, be squeezed in the extruder spout the sizing material in the glue storage chamber is continual, thereby realize the continuous operation of extruding part.
3. extruding part
At full-bodied rubber and rubble thermoplastics blend, the utility model has adopted conical double screw extruder, and this type has the strong characteristics of material feeding ability, can finish the processing and forming of sizing material better.In addition,, can realize screw speed control, evenly extrude continuously so that guarantee material by the level sensor in the glue storage chamber is installed.
After using the utility model, realized that the banburying of bulk natural rubber extrudes integrated, can obtain the mixing quality of the good sizing material of banbury, can extrude continuously again, reduced intermediate link, alleviate working strength of workers when realizing automated production, reduced production cost, improved production efficiency.
Description of drawings
Fig. 1 is the general structure schematic diagram of superpolymer blend mixing and molding equipment
Fig. 2 is the closed-smelting machine rotor structural representation
The specific embodiment
As shown in drawings, the utility model comprises banbury 1, banbury discharge gate place meets glue storage chamber 2, connect conical double screw extruder 3 below glue storage chamber's 2 discharging openings, the banbury discharge gate is located on the left side wall of banbury, the discharge gate place is provided with rubber block 6, the motion of rubber block 6 is driven by hydraulic cylinder 4, shape the first half of glue storage chamber 2 is a rectangle, side feed opening is square, be connected with the banbury discharge gate, glue storage chamber's the latter half is the straight type in two sides, and the two sides becomes the inclined-plane funnel-form, the funnel-form discharge gate is connected with the charging aperture of extruder, glue storage chamber's 2 volumes are 2 times of mixing chamber, and " fourth " font pressure feeding device 7 has been installed in the glue storage chamber 2, force feeding device 7 to be driven by hydraulic cylinder 8.Level sensor 5 is installed on the sidewall of glue storage chamber 2, is used to control the extruded velocity of extruder.Closed-smelting machine rotor 10 is directly driven by hydraulic motor 9.The rotor that present embodiment adopts is a pair of digonous shearing rotor, and the rotation direction of rib is all dextrorotation, and rib 180 degree on the generating circle post are symmetrically distributed the helixangle of rib
1=β
2=35 °.The working rotor partial-length is l (150mm), and the length of first rib is l
1(100mm), the length of second rib is l
2,, l
1=l
2., base circle diameter (BCD) is 50mm.The used extruder 3 of present embodiment is conical double screw extruders, and the spiro rod length of extruder is 400mm, and the screw-rod structure form is not for equidistantly waiting dark conical double-screw, and big end group circular diameter is 60mm.
Claims (4)
1. the equipment of a superpolymer blend mixing and molding is characterized in that comprising a banbury, a glue storage chamber, and an extruder, banbury discharge gate place meets glue storage chamber, connects extruder under glue storage chamber's discharging opening; The banbury discharge gate is located on the banbury sidewall, and discharge gate is provided with rubber block, the hydraulic cylinder-controlled driving of the motion of rubber block; Closed-smelting machine rotor adopts many ribs shearing rotor, and the rotation direction of rib is all left-handed or is all dextrorotation, and rib evenly distributes on basic circle, but also distribution or asymmetrical distribution, the helical angle of rib is between 25 ~ 50 degree, and closed-smelting machine rotor can rotate in the same way also and can incorgruously rotate; Shape the first half of glue storage chamber is square or rectangle, and the latter half is square, rectangle or columnar convergent contour, and volume is 1～3 times of mixing chamber.
2. a kind of according to claim 1 equipment of superpolymer blend mixing and molding is characterized in that the middle part of two long ribs of banbury the opposite short rib of rotation direction being arranged.
3. a kind of according to claim 1 equipment of superpolymer blend mixing and molding is characterized in that being equipped with in the glue storage chamber pressure of falling tee T feeding device, this device Driven by Hydraulic Cylinder.
4. a kind of according to claim 1 equipment of superpolymer blend mixing and molding is characterized in that being equipped with in the glue storage chamber level sensor, the rotating speed of control extruder screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200983438U CN2815670Y (en) | 2004-12-14 | 2004-12-14 | High polymer crossblend mixing forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200983438U CN2815670Y (en) | 2004-12-14 | 2004-12-14 | High polymer crossblend mixing forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2815670Y true CN2815670Y (en) | 2006-09-13 |
Family
ID=36995471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200983438U Expired - Fee Related CN2815670Y (en) | 2004-12-14 | 2004-12-14 | High polymer crossblend mixing forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2815670Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441301A (en) * | 2014-11-14 | 2015-03-25 | 青岛科技大学 | Continuous serial-type rubber mixing method |
| CN104476690A (en) * | 2014-11-14 | 2015-04-01 | 青岛科技大学 | Heat sensitive rubber mixing method |
-
2004
- 2004-12-14 CN CNU2004200983438U patent/CN2815670Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441301A (en) * | 2014-11-14 | 2015-03-25 | 青岛科技大学 | Continuous serial-type rubber mixing method |
| CN104476690A (en) * | 2014-11-14 | 2015-04-01 | 青岛科技大学 | Heat sensitive rubber mixing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20100114 |