CN108357010A - It is opened and closed the door of the outlet of rubber mill - Google Patents
It is opened and closed the door of the outlet of rubber mill Download PDFInfo
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- CN108357010A CN108357010A CN201810074183.XA CN201810074183A CN108357010A CN 108357010 A CN108357010 A CN 108357010A CN 201810074183 A CN201810074183 A CN 201810074183A CN 108357010 A CN108357010 A CN 108357010A
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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
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
- B29B7/263—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors from the underside in mixers having more than one rotor and a a casing closely surrounding the rotors
-
- 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
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- 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
-
- 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
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/246—Component parts, details or accessories; Auxiliary operations for feeding in mixers having more than one rotor and a casing closely surrounding the rotors, e.g. with feeding plungers
-
- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention provides a kind of door of the outlet of opening and closing rubber mill, can inhibit to be involved in rotor as the rubber for being kneaded object.The outlet (37) that door (32) forms the bottom of the chamber (31) in rubber mill (100) is opened and closed, and the side for being inserted into chamber (31) is set as symmetrical chevron shape.Under the section view orthogonal with long side direction, the shape (1) of the chevron shape of the door (32) is, the first circular arc (1a) to lower recess is set as until middle part from vertex angle part (32a) under the door to connect with the inside opening end of outlet (37) towards the highest header (32b) in vertical direction, it is set as inclined straight line (1b) relative to horizontal direction from middle part, is further set as the second circular arc (1c) to lower recess until header (32b) later.
Description
Technical field
The present invention relates to a kind of outlet being set in the formation of the bottom of the chamber of rubber mill and to the outlet
The door being opened and closed.
Background technology
As this door, such as with the door recorded in patent document 1,2.
Door (ejection door) recorded in patent document 1 has shape determining as described below.Linking closed mixing chamber
Outlet and the contact (D) of ejection door, the rotation center (A) of (E) and kneading rotor, (B) line (L1)、(L2) on respectively
The center (Q) of radius (S) is set.Describe the circular arc for passing through contact (D), (E) respectively for fulcrum with the center (Q).By the circular arc
Intersection point be set as the front end (P) of ejection door.The front end geometry of ejection door is formed as, when the centre of gyration (O) with ejection door is
Fulcrum describe radius (R) circular arc when, front end (P) not with the contact (D) and the front end of the kneading rotor rotated
It interferes, and makes rotation center (A), (B) of the center (Q) close to kneading rotor.
Following content is described in patent document 1：Using the ejection door of above-mentioned shape, can have in closed mixing chamber
Effect ground carries out the mixing of compound, even if also, the compound for being easy contiguity is kneaded, it will not be in the discharge of compound
When whole is not discharged and it is made to be clipped between the peripheral part of outlet and ejection door or be attached to the peripheral part of outlet and row
The gap gone out can simply and efficiently carry out the discharge of compound.
Door (overhang-door (drop door)) recorded in patent document 2 has shape determining as described below.By overhang-door
The ratio between the radius R of height h and chamber α (=h/R) are set as 0.6≤α≤0.8.
Following content is described in patent document 2：Using the overhang-door of above-mentioned shape, the mixed of mixing chamber can be improved
Splitting or integrating dissipates effect, obtains uniform mixture in a short time.In addition, the space formed with rotor by overhang-door top also becomes smaller,
Therefore, compounding agent, also reduced by the delay of mixture, fixation etc..
Citation
Patent document
Patent document 1：No. 2562396 bulletin of patent
Patent document 2：Japanese Unexamined Patent Publication 8-332630 bulletins
Invention content
The subject that the invention solves
The case where in the presence of as the rubber of sheet (sheet rubber) input rubber mill is kneaded by mixed material.
Sheet rubber is involved in rotor (kneading rotor) when to the solid state at the input initial stage of chamber and is wound sometimes (when sheet).
For the door recorded in patent document 1,2, in any one door, by the inclined-plane of the kneading chamber side to connect with rubber
It is all set to smooth continuous curved surface.It should be noted that for the door recorded in patent document 2, by a small amount of portion at the top of it
It is divided into the straight line extended along horizontal direction.In the case of the door of such shape, rubber can be inhibited to the attached of this
It.But it in the case where being sheet rubber by mixed material, is difficult to be detained rubber in door section.Therefore, easy to produce rubber to
Rotor is involved in.
It can inhibit as mixing object the present invention has been made in view of the above-described circumstances, and an object thereof is to provide a kind of
The door that rubber is involved in rotor and the outlet of rubber mill is opened and closed.
Solution for solving the problem
The present invention provides a kind of door of the outlet of opening and closing rubber mill, to the bottom of the chamber in rubber mill
The outlet of formation is opened and closed, and the side for being inserted into the chamber is set as symmetrical chevron shape, wherein with long side
Under the orthogonal section view in direction, the shape of the chevron shape is the door lower end angle to connect from the inside opening end with the outlet
Portion is set as the first circular arc to lower recess towards the highest header in vertical direction until middle part, from midway
Portion rises and is set as inclined straight line relative to horizontal direction, is further set as later to lower recess until the header
The second circular arc.
Invention effect
According to the door of above structure, rubber can be detained to a certain extent near the indoor door of chamber, thereby, it is possible to inhibit
Rubber is involved in rotor.
Description of the drawings
Fig. 1 is the sectional view for the rubber mill for having the door involved by one embodiment of the present invention.
Fig. 2 be show include the mountain shape of door involved by multiple embodiments of door shown in FIG. 1 shape it is (main
It is only unilateral) figure.
Fig. 3 be the shape for showing embodiments of the present invention door relative to now shaped door CV values than chart.
Fig. 4 is the figure that the drafting method of the shape outdoors (straight line) for the range to 0≤x≤0.65L illustrates.
Fig. 5 is the figure that the drafting method of the shape outdoors (circular arc) for the range to 0.825L≤x≤L illustrates.
Fig. 6 is the sectional view of the central portion of the long side direction of the door involved by one embodiment of the present invention.
Fig. 7 is the sectional view on the direction along long side direction of the door involved by one embodiment of the present invention.
Reference sign
1~8 shape
The first circular arcs of 1a~8a
1b~8b straight lines
The second circular arcs of 1c~8c
31 chambers
32
32a lower vertex angle parts
32b headers
37 outlets
38 recess portions
40 thermometers
100 rubber mills
Specific implementation mode
Hereinafter, modes for carrying out the present invention will be described with reference to the drawings.
(structure of rubber mill)
Referring to Fig.1 to having the progress of the structure of the rubber mill 100 of the door 32 involved by one embodiment of the present invention
Explanation.It should be noted that the rubber of the mixing object as the rubber mill for having door of the invention is not limited to shape
Shape is the rubber (sheet rubber) of sheet.
Rubber mill 100 be carry out as by the device of the mixing of the rubber of mixed material, have supply unit 20 and
Kneading part 30.Supply unit 20 be had towards the supply of kneading part 30 by the part of mixed material hopper 21, material supply cylinder 22 and
Air cylinder device 23.
The rubber for being kneaded object is put into from the outside of rubber mill 100 towards hopper 21 (by mixed material).Material supplies
Cylinder 22 be can for by mixed material by cylinder.The top of material supply cylinder 22 is connected to hopper 21.
Air cylinder device 23 is to supply cylinder 22 from material to be pressed by mixed material towards kneading part 30 (aftermentioned kneading chamber 33)
Device.Air cylinder device 23 is, for example, the actuator of vapour-pressure type.Air cylinder device 23 have cylinder 24, piston 25, piston rod 26 and
Floating counterweight 27.
The floating counterweight 27 linked with the lower end of piston rod 26 is will to put into be mixed by mixed material indentation from hopper 21
Refine the component of room 33.
Kneading part 30 is the part to being kneaded by mixed material, has chamber 31, the bottom to being formed in chamber 31
Outlet 37 door 32 of (open and close) and a pair of of rotor 34,35 (kneading rotor) is opened and closed.
Chamber 31 is provided at an upper portion thereof by the supply mouth 36 of mixed material in the internal part for forming kneading chamber 33.
Floating counterweight 27 is set to decline from the top of the supply mouth 36 towards 36 part of supply mouth.
Kneading chamber 33 is the space for being kneaded by mixed material.The vertical section shape of kneading chamber 33 is eyebrow shape.The vertical profile
Face shape be from the end on observation of rotor 34,35 when kneading chamber 33 section shape.
Door 32 is driven by actuator and the outlet of chamber 31 37 is opened and closed.The outlet 37 of chamber 31 is being kneaded
It is closed by door 32 in the mixing of material, door 32 is opened when that will be kneaded the rubber (mixture) terminated and be discharged from chamber 31.Driving
The actuator of door 32 is, for example, rotary actuator (rotary actuator).32 (shapes of door) of door in chamber 31 to (being kneaded
In room 33) it is influenced greatly as caused by the mixing degree of the rubber of the mixing of rotor 34,35.
Rotor 34,35 is the component to being kneaded by mixed material, and configuration is in chamber 31 (in kneading chamber 33).Rotor
34, it 35 is rotated about its center axis.The rotation center C of rotor 34,35 is shown in FIG. 1.Rotor 34,35 with opposed part downward
The mode of Fang Yidong is rotated towards different directions each other.
(shape of door)
It 32 is described in detail on the door.The side of the insertion chamber 31 of door 32 is formed as chevron shape.It should be noted that should
Chevron shape is symmetrical shape under the section view orthogonal with the long side direction of this 32.
Referring for example to 32 part of door in Fig. 1 and the shape 1 in Fig. 2.Door 32 involved by embodiments of the present invention
Under the section view orthogonal with long side direction, the shape 1 of above-mentioned chevron shape is the door to connect from the inside opening end with outlet 37
Lower vertex angle part 32a is set as the to lower recess towards the highest header 32b in vertical direction until middle part
One circular arc 1a, be set as from middle part relative to horizontal direction inclined straight line 1b, later further up to header 32b is
Only it is set as the second circular arc 1c to lower recess.That is, the shape 1 of the mountain shape of door 32 is, vertex angle part 32a and Men Ding under door
Between portion 32b under door vertex angle part 32a towards header 32b successively by the first circular arc 1a, straight line 1b and the second circular arc 1c shapes
At.It should be noted that Fig. 2 is the shape for showing the mountain shape of this under the section view of the door orthogonal with long side direction
The figure of (being only mainly unilateral).In addition, line centered on single dotted broken line in Fig. 2.
The shape for adding up to eight doors slave shape 1 to shape 8 involved by embodiments of the present invention is shown in FIG. 2.
As shown in Fig. 2, shape 1~8 is, under door between vertex angle part 32a and header under door vertex angle part 32a towards header by
One circular arc 1a~8a, straight line 1b~8b and second circular arc 1c~8c are formed.It should be noted that label is existing skill in Fig. 2
The shape of door (di-axis door) shown in the dotted line of art " is whole smoothly continuous curved surfaces other than header.It needs to illustrate
, a small amount of part of the header of the prior art is the straight line extended along horizontal direction.
The present inventor for shape 1~8 shown in Fig. 2 add up to eight doors, prior art shape shown in Fig. 2 door,
Rubber is influenced to being involved in of rotor 34,35, caused by the mixing degree of rubber and rubber is commented to the adhesion of door
Valence.Evaluation result is shown in table 1.It should be noted that by initial configuration is set as (when input as by the rubber of mixed material
Form) be sheet rubber (sheet rubber).
【Table 1】
| Door | It is involved in | Influence to mixing degree | Attachment |
| The prior art | × | - | ○ |
| Shape 1 | ○ | ◎ | ○ |
| Shape 2 | ○ | ◎ | ○ |
| Shape 3 | ○ | × | × |
| Shape 4 | ○ | ◎ | ○ |
| Shape 5 | ○ | × | ○ |
| Shape 6 | ○ | ○ | ○ |
| Shape 7 | ○ | ○ | × |
| Shape 8 | ○ | ◎ | △ |
[explanation of table 1]
It is involved in zero：Have and is involved in inhibition
×：Nothing is involved in inhibition
Mixing degree ◎：It is very good
○：Well
×：Difference
Attachment zero：Without attachment
△：There is attachment according to cooperation
×：Always there is attachment
[about being involved in for rubber]
In the prior art, the inclined-plane of 33 side of kneading chamber to connect with rubber is all set to smoothly continuous curved surface.
In contrast, in the door of the present invention, shape 1~8 as shown in Figure 2 is such, the inclined-plane of 33 side of kneading chamber to connect with rubber
Be formed as, under door vertex angle part 32a be set as until middle part towards header to the first circular arc 1a of lower recess~
8a, be set as from middle part relative to horizontal direction inclined straight line 1b~8b, later further until header 32b
It is set as second circular arc 1c~8c to lower recess.By the way that there are the portions straight line 1b~8b between circular arc (1a~8a, 1c~8c)
Point, rubber can be detained to a certain extent the door in chamber 31 (in kneading chamber 33) near, thereby, it is possible to inhibit rubber to turn
Son 34,35 is involved in.That is, shape 1~8 adds up to eight doors to be all involved in inhibition with rubber, it is in contrast, existing
The door of technology shape is involved in inhibition without rubber.In table 1 with zero, × indicate the evaluation.
[about the influence to mixing degree]
Fig. 3 is the door for the shape 1~8 for showing embodiments of the present invention shown in Fig. 2 relative to existing shape shown in Fig. 2
The CV values of the door of shape than chart.Herein, CV values are the indexs of the smaller distributive mixing progress that can be more judged as rubber of value.Separately
Outside, CV values ratio is the CV values (ratio of CV values) of each door when the CV values of the door of prior art shape shown in Fig. 2 are set as 1.CV
Value is than indicating that it is worth the smaller distributive mixing that more can further improve rubber.It is shown in the chart of Fig. 3 to including existing skill
When total nine doors including art carry out flow analysis, rotor 34,35 rotates the CV value ratios after 10 circles.
As can be seen from Figure 3, the door that CV values improve 10% or more compared with the door (di-axis door) of prior art shape is shape
1, this four doors of shape 2, shape 4 and shape 8.In addition, CV values improve door less than 10% be shape 6, shape 7 the two
Door.It should be noted that shape 3 and shape 5 the two CV values compared with the door of prior art shape slightly deteriorate.In table
In 1 with ◎, zero, × indicate these results.
[adhesion about rubber]
By carrying out flow analysis to total nine doors including the prior art, to adhesion from rubber to each door into
Row evaluation.As shown in table 1, with regard to the door of prior art shape, the shape 1,2,4~6 of embodiments of the present invention each door for,
The attachment of rubber is not found.For the door of the shape 8 of embodiments of the present invention, rubber is found according to the cooperation of rubber
Attachment.For each door of the shape 3,7 of embodiments of the present invention, it was found that have the attachment of rubber always.
[about preferred door shape]
About the shape of door, as described above, under the section view orthogonal with long side direction, the shape of chevron shape is, under door
Vertex angle part 32a is set as the first circular arc to lower recess towards header until middle part, is set as from middle part
Relative to horizontal direction inclined straight line, the second circular arc to lower recess is further set as until header later, by
This, can be detained rubber to a certain extent near the door in chamber 31 (in kneading chamber 33), thereby, it is possible to inhibit rubber to turn
Son 34,35 is involved in.
<1. can be difficult to adhere to the door of the distributive mixing of rubber and raising rubber in the on the basis of of inhibiting that is involved in of rubber>
It is illustrated with reference to Fig. 2,4,5 pairs of preferred door shapes.It herein, will under the section view orthogonal with long side direction
The lower vertex angle part 32a of door is set as origin O, and horizontal direction is set as x-axis, and vertex angle part 32a is towards header under the slave door in horizontal direction
Direction is set as positive (with reference to the arrow of the x-axis in Fig. 4,5) of x-axis.In addition, vertical direction is set as y-axis, in vertical direction from
The direction of door lower vertex angle part 32a towards header is set as positive (with reference to Fig. 4, the arrow of 5 y-axis) of y-axis, by origin O and header
Between horizontal direction on distance be set as L.The range of 0≤x≤0.65L is set as circular arc 1a~8a by shape 1~8 respectively, will
The range of 0.65L≤x≤0.825L is set as straight line 1b~8b, and the range of 0.825L≤x≤L is set as circular arc 1c~8c.
About the adhesion of rubber, the influence of the shape of the door of the range of 0≤x≤0.65L is big.0.65L≤x≤0.825L
Range door shape influenced compared with the shape of the door of the range of 0≤x≤0.65L it is small, but slightly to the adhesion of rubber
It impacts.On the other hand, about the distributive mixing of rubber (mixing), the header side (range of 0.825L≤x≤L) of door
The influence of shape is big.Therefore, the mountain shape area of the range of 0.825L≤x of door≤L is the area of the distributive mixing raising of rubber
Domain.
According to table 1, for can be difficult to adhere to the distribution of rubber and raising rubber in the on the basis of of inhibiting that is involved in of rubber
The shape of the range of 0≤x≤0.65L is set as by meeting following formula (1) by the shape of the mountain shape of mixed door
First circular arc of the certain curvature in region, the shape of the range of 0.65L≤x≤0.825L is set as by meeting following formulas
(2) region and relative to horizontal direction inclined straight line, and the shape of the range of 0.825L≤x≤L is set as to pass through satisfaction
Second circular arc of the certain curvature in the region of following formulas (3).It should be noted that, although details will be described later, but working as will
When the x coordinate of the central point of second circular arc is set as p, it is also desirable to p ＜ 0.825L.
θ：The origin O of circle centered on the rotation center C of the rotor of rubber mill 100 and by the radius R of origin O
The tangent line inclination angle relative to horizontal direction (with reference to Fig. 4) at place；
R：The radius of circle centered on the rotation center C of the rotor of rubber mill 100 and by origin O is (with reference to figure
4) and be chamber 31 internal face round portion radius (referring to Fig.1).
The circular arc type in the left side in formula (1) is one that circle is indicated with the solid line of center S1 shown in Fig. 4, radius 0.76R
Point circular arc type, the circular arc type on the right side in formula (1) is the circle indicated with the solid line of center S2 shown in Fig. 4, radius 0.63R
The circular arc type of a part.It should be noted that the center S1 of the circle indicated with the solid line of radius 0.76R be with the rotation of rotor
Centered on the C of center and by the vertical straight line of the tangent line at the origin O of the circle of the radius R of origin O, with to origin O centered on
Radius 0.76R dotted line indicate circle two intersection points in top point.In addition, indicated with the solid line of radius 0.63R
Round center S2 is hung down with centered on the rotation center C of rotor and by the tangent line at the origin O of the circle of the radius R of origin O
The point of top in two intersection points of straight straight line, the circle indicated with the dotted line to the radius 0.63R centered on origin O.
In addition, the circular arc type in the left side in formula (1) is first circular arc 6a, 7a, the 8a for including shape 6,7,8 (with reference to Fig. 2)
Circular arc type, the circular arc type on the right side in formula (1) is the circle for first circular arc 1a, 2a, the 3a (with reference to Fig. 2) for including shape 1,2,3
Arc formula.
θ：The origin O of circle centered on the rotation center C of the rotor of rubber mill 100 and by the radius R of origin O
The tangent line inclination angle relative to horizontal direction (with reference to Fig. 4) at place；
R：The radius of circle centered on the rotation center C of the rotor of rubber mill 100 and by origin O is (with reference to figure
4) and be chamber 31 internal face round portion radius (referring to Fig.1).
The straight line 6b (with reference to Fig. 2) of the linear expression shape 6 in the left side in formula (2), right side in formula (2) it is linear
Indicate the straight line 1b of shape 1 (with reference to Fig. 2).
R：The radius of circle centered on the rotation center C of the rotor of rubber mill 100 and by origin O is (with reference to figure
5) and be chamber 31 internal face round portion radius (referring to Fig.1)；
l1：Circle by the radius centered on the rotation center C of rotor for 0.99R and the straight line x=L by header
Two intersection points in lower section point P1 and straight line L1 that slope is tan (θ+124), with centered on point P1 below this partly
The x coordinate that diameter is the point Q1 of the top in two intersection points of the circle of 0.16R (with reference to Fig. 5)；
m1：Circle by the radius centered on the rotation center C of rotor for 0.99R and the straight line x=L by header
Two intersection points in lower section point P1 and straight line L1 that slope is tan (θ+124), with centered on point P1 below this partly
The y-coordinate that diameter is the point Q1 of the top in two intersection points of the circle of 0.16R (with reference to Fig. 5)；
l2：Circle by the radius centered on the rotation center C of rotor for 1.05R and the straight line x=L by header
Two intersection points in lower section point P2 and straight line L2 that slope is tan (θ+124), with centered on point P2 below this partly
The x coordinate that diameter is the point Q2 of the top in two intersection points of the circle of 0.43R (with reference to Fig. 5)；
m2：Circle by the radius centered on the rotation center C of rotor for 1.05R and the straight line x=L by header
Two intersection points in lower section point P2 and straight line L2 that slope is tan (θ+124), with centered on point P2 below this partly
The y-coordinate that diameter is the point Q2 of the top in two intersection points of the circle of 0.43R (with reference to Fig. 5)；
θ：The origin O of circle centered on the rotation center C of the rotor of rubber mill 100 and by the radius R of origin O
The tangent line inclination angle relative to horizontal direction at place.In addition, m1≤0.65L, m2≤0.65L, y≤m1.
It should be noted that the above-mentioned straight line x=L by header is also the center for linking two rotors 34,35
The vertical bisecting line of line segment.
The circular arc type in the left side in formula (3) is indicated with the solid line of center Q2 (l2, m2) shown in fig. 5, radius 0.43R
The circular arc type of the circular arc type of a round part, the right side in formula (3) is with center Q1 (l1, m1) shown in fig. 5, radius 0.16R
Solid line indicate circle a part circular arc type.In addition, the circular arc type in the left side in formula (3) is the second circle for including shape 6
The circular arc type of the circular arc type of arc 6c (with reference to Fig. 2), the right side in formula (3) is the second circular arc 1c (reference Fig. 2) for including shape 1
Circular arc type.
Herein, in the door of shape 3, the distributive mixing of rubber deteriorates (with reference to table 1).This is considered because of the second circular arc
End (x=0.825L) recess (decline) of the sides vertex angle part 32a under door of the middle part of 3c compared to the second circular arc 3c, therefore, herein
Place generates the delay of rubber, and the distributive mixing of rubber is thus caused to deteriorate.Therefore, it but finds out the middle part of the second circular arc and does not compare
Under the door of second circular arc when the shape of end (x=0.825L) recess of the sides vertex angle part 32a, such as (the second circular arc of shape 4
4c) like that, when the x coordinate of the central point of the second circular arc is set as p, p ＜ 0.825L are needed.
<2. can be difficult to adhere to rubber and further increase the distributive mixing of rubber on the basis of being involved in inhibition in rubber
Door>
According to table 1, for can be difficult to adhere to rubber on the basis of being involved in inhibition and further increase rubber in rubber
Distributive mixing door mountain shape shape, the shape of the range of 0≤x≤0.65L is set as further to pass through satisfaction
First circular arc of the certain curvature in the region of following formulas (4), the shape of the range of 0.65L≤x≤0.825L is set as
Further by the region for meeting following formula (5) and inclined straight line relative to horizontal direction, and by 0.825L≤x≤L
The shape of range be set as further the second circular arc by meeting the certain curvature in the region of following formula (6).
θ and R in formula (4) in the formula (1), formula (2) θ and R it is identical.
The circular arc type in the left side in formula (4) indicates the circle indicated with the solid line of center S1 shown in Fig. 4, radius 0.71R
The circular arc type expression of the circular arc type of a part, the right side in formula (4) is indicated with the solid line of center S2 shown in Fig. 4, radius 0.63R
Circle a part circular arc type.It should be noted that the center S1 of the circle indicated with the solid line of radius 0.71R be with rotor
Rotation center C centered on and by the vertical straight line of the tangent line at the origin O of the circle of the radius R of origin O, with to origin O
Centered on radius 0.71R dotted line indicate circle two intersection points in top point.In addition, with the solid line of radius 0.63R
The center S2 of the circle of expression be with centered on the rotation center C of rotor and by the origin O of the circle of the radius R of origin O at
The vertical straight line of tangent line, the circle indicated with the dotted line to the radius 0.63R centered on origin O two intersection points in top
Point.
In addition, the circular arc type in the left side in formula (4) is the circular arc for first circular arc 4a, the 5a (with reference to Fig. 2) for including shape 4,5
Formula, the circular arc type on the right side in formula (4) are the circular arc types for first circular arc 1a, 2a, the 3a (with reference to Fig. 2) for including shape 1,2,3.
θ and R in formula (5) in the formula (1), formula (2) θ and R it is identical.
The straight line 4b (with reference to Fig. 2) of the linear expression shape 4 in the left side in formula (5), right side in formula (2) it is linear
Indicate the straight line 1b of shape 1 (with reference to Fig. 2).
R, l1 and m1 in formula (6) is identical as R, l1 and m1 in the formula (3).
l3：Circle by the radius centered on the rotation center C of rotor for 1.05R and the straight line x=L by header
Two intersection points in lower section point P2 and straight line L3 that slope is tan (θ+80), with centered on point P2 below this partly
The x coordinate that diameter is the point Q3 of the top in two intersection points of the circle of 0.43R (with reference to Fig. 5)；
m3：Circle by the radius centered on the rotation center C of rotor for 1.05R and the straight line x=L by header
Two intersection points in lower section point P2 and straight line L3 that slope is tan (θ+80), with centered on point P2 below this partly
The y-coordinate that diameter is the point Q3 of the top in two intersection points of the circle of 0.43R (with reference to Fig. 5)；
θ：The origin O of circle centered on the rotation center C of the rotor of rubber mill 100 and by the radius R of origin O
The tangent line inclination angle relative to horizontal direction at place.In addition, m1≤0.65L, m3≤0.65L, y≤m1.
It should be noted that the above-mentioned straight line x=L by header is also the center for linking two rotors 34,35
The vertical bisecting line of line segment.In addition, the circular arc type in the left side in formula (6) is the second circular arc 4c for including shape 4 (with reference to Fig. 2)
Circular arc type, the circular arc type on the right side in formula (6) is the circular arc type for the second circular arc 1c (with reference to Fig. 2) for including shape 1.
(being installed about to the thermometer of door)
Thermometer 40 is installed and is illustrated with reference to Fig. 6,7 pairs of propylaeums 32.As shown in Figure 6,7, the long side direction of header 32b
Central portion be set as recess portion 38.Hole 39 is offered in 38 part of recess portion, (setting) temperature is inserted and fixed in the hole 39
Meter 40.38 part of recess portion is formed as curved surface as shown in Figure 6.
Under the section view orthogonal with long side direction, the shape 1 of part other than recess portion 38, door 32 chevron shape
For the overall length throughout the long side direction of door 32 is formed by the first circular arc 1a, straight line 1b and the second circular arc 1c.Thermometer 40 is set
It is set to and will not upward be protruded than header 32b.
According to above structure, rubber can be prevented to be attached near the setting thermometer 40 of door 32.
(variation)
In the door of embodiment shown in Fig. 2, vertex angle part 32a is to header under slave door in the horizontal direction
At the position of 0.65L, shape is straight line from circular arc variation, and it is circular arc to change from straight line at the position of 0.825L.From circular arc
Variation, which is the position of straight line, to be slightly offset from the position of 0.65L.In addition, can also from the position that straight line variation is circular arc
It is slightly offset from the position of 0.825L.
Claims (4)
1. a kind of door of the outlet of opening and closing rubber mill, the outlet formed to the bottom of the chamber in rubber mill
It is opened and closed, and the side for being inserted into the chamber is set as symmetrical chevron shape, wherein
Under the section view orthogonal with long side direction, the shape of the chevron shape is, from the inside opening end phase with the outlet
Vertex angle part is set as the to lower recess towards the highest header in vertical direction until middle part under the door connect
One circular arc is set as inclined straight line relative to horizontal direction, later further until the header from middle part
It is set as the second circular arc to lower recess.
2. the door of the outlet of opening and closing rubber mill according to claim 1, wherein
Under the section view orthogonal with long side direction, when by vertex angle part under the door is set as origin, horizontal direction is set as x-axis, level
On direction from the direction of vertex angle part towards the header under the door be set as x-axis just, vertical direction be set as y-axis, vertical side
It is upward from the direction of vertex angle part towards the header under the door be set as y-axis just, between the origin and the header
Horizontal direction on distance when being set as L, the shape of the range of 0≤x≤0.65L is set as the area by meeting formula (1)
First circular arc of the certain curvature in domain, the shape of the range of 0.65L≤x≤0.825L are set as by meeting formula
(2) straight line in region, and the shape of the range of 0.825L≤x≤L is set as the region by meeting formula (3)
Second circular arc of certain curvature,
Wherein, the x coordinate p of the central point of second circular arc is p ＜ 0.825L,
θ：Centered on the rotation center of the rotor of rubber mill and pass through the circle of the origin the origin at tangent line
Inclination angle relative to horizontal direction；
R：Centered on the rotation center of the rotor of rubber mill and by the radius of the circle of the origin and it is the chamber
Internal face round portion radius；
l1：By the radius centered on the rotation center of the rotor for the circle of 0.99R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the x coordinate of the point of the top in two intersection points of the circle of 0.16R；
m1：By the radius centered on the rotation center of the rotor for the circle of 0.99R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the y-coordinate of the point of the top in two intersection points of the circle of 0.16R；
l2：By the radius centered on the rotation center of the rotor for the circle of 1.05R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the x coordinate of the point of the top in two intersection points of the circle of 0.43R；
m2：By the radius centered on the rotation center of the rotor for the circle of 1.05R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the y-coordinate of the point of the top in two intersection points of the circle of 0.43R.
3. the door of the outlet of opening and closing rubber mill according to claim 2, wherein
The shape of the range of 0≤x≤0.65L is set as the further institute by meeting the certain curvature in the region of formula (4)
State the first circular arc, the shape of the range of 0.65L≤x≤0.825L is set as the further region by meeting formula (5)
The straight line, and the shape of the range of 0.825L≤x≤L be set as further by meet formula (6) region it is certain
Second circular arc of curvature,
θ：Centered on the rotation center of the rotor of rubber mill and pass through the circle of the origin the origin at tangent line
Inclination angle relative to horizontal direction；
R：Centered on the rotation center of the rotor of rubber mill and by the radius of the circle of the origin and it is the chamber
Internal face round portion radius；
l1：By the radius centered on the rotation center of the rotor for the circle of 0.99R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the x coordinate of the point of the top in two intersection points of the circle of 0.16R；
m1：By the radius centered on the rotation center of the rotor for the circle of 0.99R and the straight line x that passes through the header
Radius centered on the straight line that the point and slope of lower section in two intersection points of=L are tan (θ+124) and the point below this
For the y-coordinate of the point of the top in two intersection points of the circle of 0.16R；
l3：By the radius centered on the rotation center of the rotor for the circle of 1.05R and the straight line x that passes through the header
The point of lower section in two intersection points of=L and straight line that slope is tan (θ+80) are with the radius centered on the point below this
The x coordinate of the point of top in two intersection points of the circle of 0.43R；
m3：By the radius centered on the rotation center of the rotor for the circle of 1.05R and the straight line x that passes through the header
The point of lower section in two intersection points of=L and straight line that slope is tan (θ+80) are with the radius centered on the point below this
The y-coordinate of the point of top in two intersection points of the circle of 0.43R.
4. the door of the outlet of opening and closing rubber mill according to any one of claim 1 to 3, wherein
Central portion on the long side direction of the header is set as recess portion,
In the recess portion, thermometer is set,
Under the section view orthogonal with long side direction, the shape of the chevron shape of the part other than the recess portion is by described
One circular arc, the straight line and second circular arc are formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017012123 | 2017-01-26 | ||
| JP2017-012123 | 2017-01-26 |
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| CN108357010A true CN108357010A (en) | 2018-08-03 |
| CN108357010B CN108357010B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810074183.XA Active CN108357010B (en) | 2017-01-26 | 2018-01-25 | Door for opening and closing discharge port of rubber mixing mill |
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| Country | Link |
|---|---|
| JP (1) | JP7002343B2 (en) |
| CN (1) | CN108357010B (en) |
| DE (1) | DE102018101540B4 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610585A (en) * | 1970-03-18 | 1971-10-05 | Usm Corp | Mixer |
| JPH054224A (en) * | 1991-06-28 | 1993-01-14 | Yokohama Rubber Co Ltd:The | Hermetically closed type kneader |
| JPH05285939A (en) * | 1992-04-15 | 1993-11-02 | Yokohama Rubber Co Ltd:The | Closed kneader |
| US20140160878A1 (en) * | 2012-12-06 | 2014-06-12 | Hexpol Holding Inc. | Dynamic cooling |
| CN104507558A (en) * | 2012-08-21 | 2015-04-08 | 株式会社神户制钢所 | Kneading rotor and kneading machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184773A (en) | 1977-08-11 | 1980-01-22 | Usm Corporation | Mixer rotor with a shear edge |
| US4620793A (en) | 1985-03-18 | 1986-11-04 | Usm Corporation | Mixer device |
| JP2835199B2 (en) * | 1991-03-04 | 1998-12-14 | 株式会社神戸製鋼所 | Closed kneader |
| JPH04276405A (en) * | 1991-03-04 | 1992-10-01 | Kobe Steel Ltd | Enclosed kneader |
| JPH08332630A (en) | 1995-06-08 | 1996-12-17 | Mitsubishi Heavy Ind Ltd | Closed kneader |
| CN108247886B (en) | 2016-12-28 | 2020-05-05 | 株式会社神户制钢所 | Door for opening and closing discharge port of rubber mixing mill |
-
2018
- 2018-01-16 JP JP2018004772A patent/JP7002343B2/en active Active
- 2018-01-24 DE DE102018101540.2A patent/DE102018101540B4/en active Active
- 2018-01-25 CN CN201810074183.XA patent/CN108357010B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610585A (en) * | 1970-03-18 | 1971-10-05 | Usm Corp | Mixer |
| JPH054224A (en) * | 1991-06-28 | 1993-01-14 | Yokohama Rubber Co Ltd:The | Hermetically closed type kneader |
| JPH05285939A (en) * | 1992-04-15 | 1993-11-02 | Yokohama Rubber Co Ltd:The | Closed kneader |
| CN104507558A (en) * | 2012-08-21 | 2015-04-08 | 株式会社神户制钢所 | Kneading rotor and kneading machine |
| US20140160878A1 (en) * | 2012-12-06 | 2014-06-12 | Hexpol Holding Inc. | Dynamic cooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108357010B (en) | 2020-06-23 |
| DE102018101540B4 (en) | 2022-01-27 |
| JP2018118510A (en) | 2018-08-02 |
| DE102018101540A1 (en) | 2018-07-26 |
| JP7002343B2 (en) | 2022-01-20 |
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