CN108247886A - 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
- Publication number
- CN108247886A CN108247886A CN201711446065.9A CN201711446065A CN108247886A CN 108247886 A CN108247886 A CN 108247886A CN 201711446065 A CN201711446065 A CN 201711446065A CN 108247886 A CN108247886 A CN 108247886A
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- Prior art keywords
- door
- shape
- straight line
- header
- tan
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Classifications
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
-
- 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
- B29B7/26—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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/582—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
- B29B7/74—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
Landscapes
- 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 for the outlet for being opened and closed 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, vertex angle part (32a) is set as the circular arc (1a) to lower recess towards the highest header (32b) in vertical direction until middle part under the door to connect from the inside openend with outlet (37), and inclined straight line (1b) relative to horizontal direction is set as from middle part to header (32b).
Description
Technical field
The outlet that is formed in the bottom of the chamber of rubber mill is set to the present invention relates to a kind of and to the outlet
The door being opened and closed.
Background technology
As this door, such as 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.Circular arc by contact (D), (E) is described with the center (Q) respectively for fulcrum.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 easily touched is kneaded, it will not be in the discharge of compound
When do not discharge whole and it 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 by overhang-door top with rotor 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
There is a situation where to be kneaded rubber (sheet rubber) the input rubber mill of sheet as 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 (during sheet).
For the door recorded in patent document 1,2, in any one door, the inclined-plane of kneading chamber side that will connect with rubber
It is all set to smooth continuous curved surface.It should be noted that the door recorded in for 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, easily generate 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 is that the outlet of the bottom formation to the chamber in rubber mill is opened and closed and is inserted into the chamber
Side be set as the door of symmetrical chevron shape.Under the section view orthogonal with long side direction, the chevron shape of this
Shape is vertex angle part direction highest header in vertical direction under the door to connect from the inside openend with the outlet
And the circular arc to lower recess is set as until middle part, it is set as relative to horizontal direction from middle part to the header
Inclined straight line.
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 is that the shape for the mountain shape for showing to include the door involved by multiple embodiments of door shown in FIG. 1 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 0.75L≤x≤L illustrates.
Fig. 5 is the figure that the drafting method of the shape outdoors (circular arc) for the range to 0≤x≤0.75L 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
1a~8a circular arcs
1b~8b straight lines
31 chambers
32
32a lower vertex angle parts
32b headers
37 outlets
38 recess portions
40 thermometers
100 rubber mills
Specific embodiment
Hereinafter, modes for carrying out the present invention will be described with reference to the drawings.
(structure of rubber mill)
The structure of the rubber mill 100 of the door 32 involved by having one embodiment of the present invention is carried out with reference to Fig. 1
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 is to be supplied towards kneading part 30 by the part of mixed material, have 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 with 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 that being pressed by mixed material of will being put into from hopper 21 is mixed
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 in the internal part for forming kneading chamber 33, is provided at an upper portion thereof by the supply mouth 36 of mixed material.
Floating counterweight 27 is made 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 37 of chamber 31 is opened and closed.The outlet 37 of chamber 31 is being kneaded
It is closed in the mixing of material by door 32, door 32 is opened when the rubber (mixture) that will be kneaded end is 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 rubber that rotor 34,35 is kneaded.
Rotor 34,35 is the component to being kneaded by mixed material, is configured in chamber 31 (in kneading chamber 33).Rotor
34th, 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 rotates each other towards different directions.
(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 it should be noted that should
Chevron shape is symmetrical shape in the sectional 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 set as, and is connected from the inside openend with outlet 37
Door under vertex angle part 32a towards in vertical direction highest header 32b and to the circular arc of lower recess until middle part
The 1a and inclined straight line 1b relative to horizontal direction until middle part to header 32b.That is, the mountain shape of door 32
Shape 1 be, under door between vertex angle part 32a and header 32b under door vertex angle part 32a towards header 32b only by a circle
Arc 1a is formed with straight line 1b.It should be noted that Fig. 2 is to show this 's under the section view of the door orthogonal with long side direction
The figure of the shape (being only mainly unilateral) of mountain shape.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 only by
One circular arc 1a~8a and straight line 1b~8b is formed.It should be noted that in Fig. 2 label be the prior art " dotted line institute
The shape of door (di-axis door) shown is whole smoothly continuous curved surfaces other than header.It should be noted that this is existing
A small amount of part of the header of technology 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 to being involved in of rotor 34,35, caused by the mixing degree of rubber is influenced and rubber is commented to the adhesion of door
Valency.Evaluation result is shown in table 1.It should be noted that original state is set as (during input using 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 be involved in inhibition
×：Nothing is involved in inhibition
Mixing degree ◎：It is very good
○：Well
×：Difference
Attachment zero：Without attachment
×：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 that vertex angle part 32a is towards header and to circular arc 1a~8a of lower recess until middle part, from middle part
Be formed as inclined straight line 1b~8b relative to horizontal direction to header.By being formed as header side relative to level side
To inclined straight line, door that can be in chamber 31 (in kneading chamber 33) is nearby detained rubber to a certain extent, and thereby, it is possible to press down
Rubber processed is involved in rotor 34,35.That is, shape 1~8 adds up to eight doors to be all involved in inhibition with rubber, with
This is opposite, and the door of prior art shape is involved in inhibition without rubber.In table 1 with zero, × represent 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 smaller indexs of 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 representing the smaller distributive mixing that more can further improve rubber of its value.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 values ratio after 10 circles.
As can be seen from Figure 3, the door that CV values improve more than 10% compared with the door (di-axis door) of prior art shape is shape
1st, shape 2 and shape 7 these three doors.In addition, the door that CV values improve less than 10% is shape 3, shape 5, shape 6 and shape
8 this four doors.It should be noted that the door of shape 4 CV values compared with the door of prior art shape slightly deteriorate.It is used in table 1
◎, zero, × represent 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, the door with regard to prior art shape, embodiments of the present invention shape 1~3,5~7 each door and
Speech, does not find the attachment of rubber, but for each door of the shape 4,8 of embodiments of the present invention, it was found that the attachment of rubber.
[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 set as from door
Lower vertex angle part 32a is formed as phase towards header and to the circular arc of lower recess until middle part from middle part to header
For the inclined straight line of horizontal direction, nearby it is detained to a certain extent thereby, it is possible to the door in chamber 31 (in kneading chamber 33)
Rubber, thereby, it is possible to inhibit rubber being involved in rotor 34,35.
<1. can rubber be involved in inhibit on the basis of improve rubber distributive mixing door>
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 just (arrow of the x-axis in reference 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 be set as y-axis just (with reference to Fig. 4, the arrow of 5 y-axis), by origin O and header
Between the distance of horizontal direction be set as L.The range of 0≤x≤0.75L is set as circular arc 1a~8a by shape 1~8 respectively, will
The range of 0.75L≤x≤L is set as straight line 1b~8b.
In the distributive mixing (mixing) of rubber, the influence of the shape of the header side of door is big.Therefore, 0.75L≤x of door
The mountain shape area of the range of≤L is the region that the distributive mixing of rubber improves.
The shape outdoors of the distributive mixing that can improve rubber in the range of 0.75L≤x of door≤L is set as passing through satisfaction
The region of following formula (1) and relative to horizontal direction inclined straight line.
tan(θ+15)×x+b2≤y≤tan(θ+13)×x+b1
... formula (1)
θ：Centered on the rotation center C of the rotor of rubber mill 100 and the origin O of the circle of radius R that passes through 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 (with reference to Fig. 1)
b1：Pass through circles of the radius R1 centered on the rotation center C of rotor for 0.99R and the straight line x by header
The point P1 and slope of lower section in two intersection points of=L are the intercept (y-coordinate of intercept) of the straight line of tan (θ+13) (with reference to figure
4)
b2：Pass through circles of the radius R2 centered on the rotation center C of rotor for 1.06R and the straight line x by header
The point P2 and slope of lower section in two intersection points of=L are the intercept (y-coordinate of intercept) of the straight line of tan (θ+15) (with reference to figure
4)
Wherein, the slope of straight line is more than tan (θ -14).
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 straight line 8b (with reference to Fig. 2) of the linear expression shape 8 in left side in formula (1), formula (1)
In right side linear expression shape 1 straight line 1b (with reference to Fig. 2).
From Fig. 3 and table 1 it is found that the door of shape 4 is the door for the distributive mixing that can not improve rubber.This is because shape 4
Straight line 4b slope it is gentle, the flow stagnation of rubber is thus made at header.The slope of the straight line 4b of shape 4 for tan (θ-
14).Therefore, the needs of shape outdoors of the distributive mixing that can improve rubber in the range of 0.75L≤x of door≤L are by full
The straight line in region and the slope of the straight line of the above-mentioned formula (1) of foot are more than tan (θ -14).
Then, the shape outdoors of the distributive mixing that can improve rubber in the range of 0≤x≤0.75L is set as by full
The region of the following formula (2) of foot and be certain curvature circular arc.
Wherein, above-mentioned y meets following formula (3).
θ：Centered on the rotation center C of the rotor of rubber mill 100 and the origin O of the circle of radius R that passes through origin O
The tangent line inclination angle relative to horizontal direction (with reference to Fig. 5) at place
R：It is the radius (reference of circle for centered on the rotation center C of the rotor of rubber mill 100 and passing through origin O
Fig. 5) and be chamber 31 internal face round portion radius (with reference to Fig. 1)
It should be noted that the circular arc type in the left side in formula (2) is the circle that center C2 shown in fig. 5, radius R4 are 1.1R
A part circular arc type, the circular arc type on the right side in formula (2) be center C1 shown in fig. 5, the circle that radius R3 is 0.9R one
Partial circular arc type.In addition, the circular arc type in the left side in formula (2) is the circular arc 7a for including shape 7, the circular arc 8a (references of shape 8
Circular arc type Fig. 2), the circular arc type on the right side in formula (2) is the circular arc 1a for including shape 1, the circular arc 2a of shape 2 (with reference to Fig. 2)
Circular arc type.
About door shape of the rubber to the distributive mixing for being involved in and rubber being improved of rotor 34,35 can either be inhibited,
When summarizing to the record, in the shape of door, about the mountain shape of this, the range of 0≤x≤0.75L
Shape is set as the circular arc of the certain curvature in the region by meeting above-mentioned formula (2), and the range of 0.75L≤x≤L is described outer
Shape is set as the straight line in the region by meeting above-mentioned formula (1).Wherein, the slope of the straight line is more than tan (θ -14).
<2. it is not easy the door for adhering to rubber on the basis of the distributive mixing for being involved in, improving rubber for inhibiting rubber>
According to table 1, rubber can either be inhibited to the distributive mixing for being involved in and rubber being improved of rotor 34,35 and
Rubber is difficult to be attached in the shape of mountain shape of the door of door, and the shape of the range of 0≤x≤0.75L is set as further
By the circular arc of the certain curvature in region for meeting following formula (4), and the shape of the range of 0.75L≤x≤L is set as into one
Step passes through the straight line in the region for meeting following formula (6).
Wherein, above-mentioned y meets following formula (5).
tan(θ+8)×x+b3≤y≤tan(θ+13)×x+b1
... formula (6)
b3：Pass through circles of the radius R2 centered on the rotation center C of rotor for 1.06R and the straight line x by header
The point P2 and slope of lower section in two intersection points of=L are the intercept (y-coordinate of intercept) of the straight line of tan (θ+8) (with reference to figure
4)。
Wherein, the slope of straight line is more than tan (θ -14).
It should be noted that θ, R and b1 in formula (4)~formula (6) and θ, R in formula (the 1)~formula (3) and
B1 is identical.
In addition, the circular arc type in the left side in formula (4) is a part for the circle that center C2 shown in fig. 5, radius R4 are 1.05R
Circular arc type, the circular arc type on the right side in formula (4) be center C1 shown in fig. 5, the circle that radius R3 is 0.9R a part circle
Arc formula.In addition, the circular arc type in the left side in formula (4) is the circular arc 5a for including shape 5, the circle of the circular arc 6a of shape 6 (with reference to Fig. 2)
Arc formula, the circular arc type on the right side in formula (4) is the circular arc 1a for including shape 1, the circular arc type of the circular arc 2a of shape 2 (with reference to Fig. 2).
In addition, the straight line 6b (with reference to Fig. 2) of the linear expression shape 6 in left side in formula (6), right side in formula (6)
The linear straight line 1b for representing shape 1 (with reference to Fig. 2).
<3. the door of the distributive mixing of rubber can be further improved compared with the door>
According to table 1, rubber can either be inhibited to be mixed to the distribution for being involved in and rubber being further improved of rotor 34,35
Close and rubber be difficult to be attached to door door mountain shape shape in, the shape of the range of 0.75L≤x≤L be set as into
One step is by meeting the straight line in the region of following formula (7).
tan(θ+1)×x+b4≤y≤tan(θ+13)×x+b1
... formula (7)
b4：By centered on the rotation center C of rotor and circles of the radius R2 for 1.01R and straight line x by header
The slope of the point P2 of lower section in two intersection points of=L is the intercept (y-coordinate of intercept) of the straight line of tan (θ+1) (with reference to figure
4)。
Wherein, the slope of straight line is more than tan (θ -14).
It should be noted that the θ in formula (7) is identical with the θ in the formula (1)~formula (3).
In addition, the straight line 2b (with reference to Fig. 2) of the linear expression shape 2 in left side in formula (7), right side in formula (7)
The linear straight line 1b for representing shape 1 (with reference to Fig. 2).
(about the thermometer installation to 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, door 32 the chevron shape other than recess portion 38
For the overall length throughout the long side direction of door 32 is formed by circular arc 1a and straight line 1b.Thermometer 40 is configured to that header will not be compared
32b is protruded upward.
According to above structure, rubber can be prevented to be attached near the set temperature meter 40 of door 32.
Claims (5)
1. a kind of door for the outlet for being opened and closed 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 openend phase with the outlet
Vertex angle part is set as the circle to lower recess towards the highest header in vertical direction until middle part under the door connect
Arc is set as inclined straight line relative to horizontal direction from middle part to the header.
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≤0.75L is set as the area by meeting formula (1)
The circular arc of the certain curvature in domain, and the shape of the range of 0.75L≤x≤L is set as the region by meeting formula (2)
The straight line,
Wherein, the slope of the straight line is more than tan (θ -14),
tan(θ+15)×x+b2≤y≤tan(θ+13)×x+b1
... formula (2)
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：The radius of circle centered on the rotation center of the rotor of rubber mill and by the origin, and be the chamber
Internal face round portion radius；
b1：Pass through circle of the radius centered on the rotation center of the rotor for 0.99R and the straight line x by the header
The point and slope of lower section in two intersection points of=L are the intercept of the straight line of tan (θ+13)；
b2：Pass through circle of the radius centered on the rotation center of the rotor for 1.06R and the straight line x by the header
The point and slope of lower section in two intersection points of=L are the intercept of the straight line of tan (θ+15).
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≤0.75L is set as the further institute of the certain curvature in region by meeting formula (3)
State circular arc, and the shape of the range of 0.75L≤x≤L be set as further by meet formula (4) region it is described straight
Line,
tan(θ+8)×x+b3≤y≤tan(θ+13)×x+b1
... formula (4)
b3：Pass through circle of the radius centered on the rotation center of the rotor for 1.06R and the straight line x by the header
The point and slope of lower section in two intersection points of=L are the intercept of the straight line of tan (θ+8).
4. the door of the outlet of opening and closing rubber mill according to claim 3, wherein,
The shape of the range of 0.75L≤x≤L is set as further through the straight line in the region for meeting formula (5),
tan(θ+1)×x+b4≤y≤tan(θ+13)×x+b1
... formula (5)
b4：Pass through circle of the radius centered on the rotation center of the rotor for 1.01R and the straight line x by the header
The point and slope of lower section in two intersection points of=L are the intercept of the straight line of tan (θ+1).
5. the door of the outlet of opening and closing rubber mill according to any one of claim 1 to 4, wherein,
Central portion on the long side direction of the header is set as recess portion,
In the recess portion set temperature meter,
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 the circle
Arc is formed with the straight line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016255806 | 2016-12-28 | ||
| JP2016-255806 | 2016-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108247886A true CN108247886A (en) | 2018-07-06 |
| CN108247886B CN108247886B (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446065.9A Active CN108247886B (en) | 2016-12-28 | 2017-12-27 | Door for opening and closing discharge port of rubber mixing mill |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018108732A (en) |
| CN (1) | CN108247886B (en) |
| DE (1) | DE102017131307A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7002344B2 (en) | 2017-01-26 | 2022-01-20 | 株式会社神戸製鋼所 | Door that opens and closes the outlet of the rubber kneader |
| JP7002342B2 (en) | 2017-01-26 | 2022-01-20 | 株式会社神戸製鋼所 | Door that opens and closes the outlet of the rubber kneader |
| JP7002343B2 (en) | 2017-01-26 | 2022-01-20 | 株式会社神戸製鋼所 | Door that opens and closes the outlet of the rubber kneader |
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 |
| JPH08332630A (en) * | 1995-06-08 | 1996-12-17 | Mitsubishi Heavy Ind Ltd | Closed kneader |
| CN1152271A (en) * | 1995-04-24 | 1997-06-18 | 株式会社神户制钢所 | Hermetically closed kneader |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2835199B2 (en) * | 1991-03-04 | 1998-12-14 | 株式会社神戸製鋼所 | Closed kneader |
-
2017
- 2017-12-27 DE DE102017131307.9A patent/DE102017131307A1/en active Pending
- 2017-12-27 CN CN201711446065.9A patent/CN108247886B/en active Active
- 2017-12-27 JP JP2017252115A patent/JP2018108732A/en active Pending
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 |
| CN1152271A (en) * | 1995-04-24 | 1997-06-18 | 株式会社神户制钢所 | Hermetically closed kneader |
| JPH08332630A (en) * | 1995-06-08 | 1996-12-17 | Mitsubishi Heavy Ind Ltd | Closed kneader |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017131307A1 (en) | 2018-08-16 |
| JP2018108732A (en) | 2018-07-12 |
| CN108247886B (en) | 2020-05-05 |
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