CN109476052A - It is centrifuged into the manufacturing method of pattern and cylinder - Google Patents
It is centrifuged into the manufacturing method of pattern and cylinder Download PDFInfo
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- CN109476052A CN109476052A CN201780039229.8A CN201780039229A CN109476052A CN 109476052 A CN109476052 A CN 109476052A CN 201780039229 A CN201780039229 A CN 201780039229A CN 109476052 A CN109476052 A CN 109476052A
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- cylinder
- centrifuged
- pattern
- protrusion
- recess portion
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 116
- 239000000463 material Substances 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000000805 composite resin Substances 0.000 claims 1
- 239000011162 core material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 39
- 230000015572 biosynthetic process Effects 0.000 description 20
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000030944 contact inhibition Effects 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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- 239000003566 sealing material Substances 0.000 description 1
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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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/52—Measuring, controlling or regulating
Abstract
The present invention provides a kind of manufacturing method for being centrifuged into pattern and the cylinder using it that can be easy to find that the shape of the inner peripheral of cylinder end face is not positive.The die main body 11 for being centrifuged into pattern 10A and including tubulose of the invention, is used for centrifugal forming and goes out cylinder 1A；With sealing plate 32, the opening of the die main body 11 is closed；Wherein, the position for being centrally disposed in equal radiuses of the recess portion 32a of the protrusion 2 of the inner peripheral 1i of the cylinder 1A molded in the inner surface setting of sealing plate 32 for edge, recess portion 32a relative to sealing plate 32.Resin R is injected into this to be centrifuged into pattern 10A, centrifugal forming goes out cylinder 1A.
Description
Technical field
The present invention relates to pattern is centrifuged into, specifically, it is related to the mold master for molding the tubulose of cylinder
Body and the packaged unit set up and down freely in the both ends open of the die main body are centrifuged into pattern.In addition, the present invention relates to
And the manufacturing method using the cylinder for being centrifuged into pattern.
Background technique
As the method for molding resin rounding cylinder, it is known to which material resin is injected into packet by a kind of centrifugal casting
Die main body containing tubulose and the lid of opening for closing the die main body are centrifuged into pattern, make the mold with axis on one side
Center rotation, makes material resin solidify (for example, referring to patent document 1) on one side.
Figure 23 a, which is shown, described in Patent Document 1 is centrifuged into pattern.This is centrifuged into the die main body that pattern 10 includes tubulose
11；With a pair of of the lid 12 for the both ends open for covering the die main body 11.It, will in the state that a lid is installed on die main body
Material resin is injected into die main body 11, is installed another and is covered and the both ends open of closed mould main body.Then, by making into
Pattern 10 is using mold axis as center high speed rotation, and acquisition is along the molded product of the tubular of the inner peripheral surface of die main body 11.
Locking device 21 for lid 12 to be fixed on to die main body 11 includes lock pawl supporting part 22, at equal intervals
It is arranged at the 3 of the periphery of lid 12；Lock pawl 24 can be installed on each lock pawl supporting part by pin 23 respectively with lifting；And lock
Determine spring 25, is used on locking direction to 24 pushing tow of lock pawl, the card of the front end by making to be set to lock pawl 24
Determine portion 26 respectively engaging in the both ends that die main body 11 is set flange 13 outer rim, lid 12 can be covered to mold master
State as the opening of body 11 is fixed.The rear end of lock pawl 24 becomes state more outstanding than exterior surface, by keeping this prominent
Part circumferential direction into lid is lifted out, can release locking state, the i.e. lock state of engaging portion 26 Yu flange 13.
The sealing plate 32 for covering the tubular portion opening 31 of above-mentioned die main body 11 is provided in the inner surface of lid 12.The sealing
Plate 32 is supported by 3 guide blots 33 of perforation lid 12, can be moved on mold axis direction, and led by outside loaded on this
To the crimp spring 34 of bolt 33 towards above described tubular portion opening 31 direction pushing tow.It is being set to the peripheral side of sealing plate 32
Cricoid slot is provided with the cricoid sealing material 35 abutted with the end face of die main body 11.
Lid 12 is being installed on die main body 11 and is keeping the engaging portion 26 of above-mentioned lock pawl 24 locking by above-mentioned crimp spring 34
In the state of flange 13, above-mentioned sealing plate 32 is pressed by die main body end face with strength.Reliably tubular portion is opened as a result,
Mouth 31 seals, while keeping the locking state of above-mentioned engaging portion 26 and flange 13 together with above-mentioned Lock spring 25.
Material resin is injected into this to be centrifuged into pattern 10, by making to be centrifuged into pattern 10 around the rotation of its axle center, and from
The heart molds cylinder.Figure 23 b shows the cylinder 1 for forming using the centrifugal forming and demoulding out from shaping mould 10.
In the case where centrifugal forming goes out cylinder, because being centrifuged into the bias etc. of pattern, the end face 1a of cylinder 1 sometimes
The inner peripheral 1i of inner hole 1h cannot be formed as the circle of specified diameter, and inner peripheral 1i deviates specified position.
Patent document 1: Japanese Unexamined Patent Publication 2004-142109 bulletin
Summary of the invention
The purpose of the present invention is to provide one kind can be easy discovery cylinder end face inner peripheral shape it is not positive from
The manufacturing method of heart shaping mould and the cylinder using it.
Centrifugal moulding mould of the invention has: the die main body of tubulose is used for centrifugal forming and goes out cylinder；And closure
Part closes the opening of the die main body；This is centrifuged into pattern and is characterized in that, is centrifuged into pattern in the direction of the packaged unit
The packaged unit inner surface of inside, be provided on concentric circles for the end face of molding cylinder form protrusion or recess portion
Recess portion or protrusion.
In one embodiment of the present invention, the inner circumferential of cylinder is arranged in the recess portion of above-mentioned packaged unit inner surface or protrusion
Near edge.
In one embodiment of the present invention, the recess portion of above-mentioned packaged unit inner surface or protrusion along cylinder inner peripheral
Setting.
In one embodiment of the present invention, the protrusion of above-mentioned packaged unit or the section crest line of recess portion are made of curve.
In one embodiment of the present invention, the protrusion of above-mentioned packaged unit or recess portion are for examining the internal diameter precision of Check cylinder
And it is arranged.
In one embodiment of the present invention, the protrusion of above-mentioned packaged unit or recess portion in the circumferential interval and be provided with
It is multiple.
In one embodiment of the present invention, the protrusion of above-mentioned packaged unit or recess portion are continuously arranged in the circumferential.
The manufacturing method of cylinder of the invention has following processes, and material resin is injected into centrifugal forming of the invention
In mould, by centrifugal forming, molds and be formed with the cylinder of recess portion or protrusion in end face, then demoulded.
Invention effect
In the case where going out cylinder using centrifugal forming mold forming of the invention, the injection rate of material resin is set as and edge
The amount of the same size of the target internal diameter of the cylinder of the inner peripheral surface centrifugal forming of die main body.
Be centrifuged into the cylinder that pattern centrifugal forming goes out using of the invention, exist to concentric circles by the recess portion or
The protrusion or recess portion that protrusion is formed.In the cylinder that centrifugal forming is standard shape, formed by being formed by protrusion or recess portion
Concentric circles and the alternate constant of round that is formed by the internal diameter of cylinder.In addition, can visually moment judge by institute
Whether the interval of concentric circles and the round formed by the internal diameter of cylinder that the protrusion of formation or recess portion are formed falls into standard system
The permissible range (tolerance) of product.The range of tolerance can be set according to size, the purposes of the cylinder of target.
Have eccentric in centrifugal moulding mould and fail in the cylinder that centrifugal forming is standard shape, and by cylinder
The interval for the round that diameter is formed becomes unevenly, to be formed by protrusion or recess portion unevenly defect or disappearance.
Therefore, at the visually end face of observation cylinder, by confirmation by be formed by protrusion or recess portion formed it is concentric
Circle whether deviate the permissible range (tolerance) of standardized products with the interval of round formed by the internal diameter of cylinder and it is excessive or
Person is too small, or confirmation protrusion or recess portion formed concentric circles whether deform or unevenly defect and whether be able to confirm that cylinder
Be formed as standard shape.That is, the recess portion that above-mentioned packaged unit inner surface is arranged in or protrusion are for confirming the hollow portion of cylinder
Position and internal diameter precision.Even if not cutting off cylinder as a result, it is also able to detect that the different of the uniformity in relation to thickness shape
Often.In addition, compared with the case where using the previous confirmation internal diameter precision of inspection Check jig etc., can be easy and rapidly carry out true
Recognize.In addition, due to, there are protrusion or recess portion, job error being less likely to occur in cylinder.In addition to this, even if to receive
The resin combination of contracting can also be not to wait for annealing operation and be confirmed immediately after shaping.In this way, according to the present invention, energy
Enough effectively improve the production efficiency of cylinder.
In accordance with the invention it is possible to easily detect centrifugal forming rotation immediately after being centrifuged into pattern taking-up cylinder formed body
The equipment fault (for example, the abrasion of rotating dog, offset of rotary shaft etc.) of rotary device.Therefore, production effect can be effectively improved
Rate can improve production efficiency especially in the case where automating centrifugal forming rotating device epoch-makingly.
Protrusion or recess portion are preferably arranged to be formed near the inner peripheral of cylinder.As a result, in visually observation cylinder
When end face, it is easy the uniformity at the interval of moment differentiation protrusion or recess portion and inner peripheral, therefore cylinder can be perceived immediately
Bias or bad, cylinder the internal diameter precision of molding whether fall into the permissible range (tolerance) of standardized products.It is therefore preferable that
Protrusion or recess portion are contacted with inner peripheral.In addition, in the case where protrusion or recess portion are not contacted with inner peripheral, protrusion or recess portion away from
Shortest length from inner peripheral is, for example, 0~6.0 (mm), further preferably 0~2.5 (mm).Based on identical reason, preferably
At least part of protrusion or recess portion is contacted with inner peripheral.Additionally, it is preferred that protrusion is arranged in cylinder end face, it is being centrifuged into pattern
Packaged unit inner surface be arranged recess portion.
The protrusion of above-mentioned packaged unit or the section crest line of recess portion are made of curve.Thereby, it is possible to improve make cylinder from
Fissility when centrifugal forming moulding/demoulding can prevent the residual and the thus generation of caused rejected product of burr.In addition, from
The cleaning of the packaged unit of heart shaping mould becomes easy, and can be improved the aesthetic appearance of formed body.
Molding cylinder inner peripheral in the case where the end face eccentric of cylinder, a part of protrusion or recess portion are not
Exist again, and the protrusion of a part and recess portion are separated with inner peripheral, do not exist in inner peripheral, therefore can easily verify that
Cylinder is not formed into standard shape.
The outer peripheral edge of inner peripheral and cylinder forms concentric circles, when being path compared with standard shape, the protrusion of end face or recessed
Portion is separated with inner peripheral, does not exist in inner peripheral, therefore can easily verify that cylinder is smaller than normal diameter.
The outer peripheral edge of inner peripheral and cylinder forms concentric circles, and when being major diameter compared with standard shape, protrusion or recess portion are whole
It is not present, therefore can easily verify that cylinder is bigger than normal diameter.
It compared with standard shape is path or major diameter, and situation of the inner peripheral relative to the outer peripheral edge bias of cylinder in inner peripheral
Under, it can similarly easily verify that cylinder is not formed into standard shape.
Resin material used in the present invention is not particularly limited, it can be poly- using being obtained using monomer casting
The various resins such as the anionic polymerisations such as amide polyamide, bi-component curable polyurethane resin.Wherein, according to mechanical strength etc.
Reason is, it is preferable to use anionic polymerisation polyamide.
For the cylinder molded using the method for the present invention, it is suitble to manufacture plastic gear using it.It is required that for manufacturing
The cylinder of plastic gear has high internal diameter precision.In order to manufacture plastic gear by cylinder, by cylinder with defined
Thickness cuts into circular and forms ring body.Then, by made of metal tooth hub it is embedding in the inner hole of the ring body, to the periphery of ring body into
Row machining and form tooth.
The inner hole of the ring body and the periphery of ring body are formed as the same heart shaped (coaxial) that high-precision has target internal diameter, therefore
The form accuracy of manufactured plastic gear is extremely good.
Detailed description of the invention
In Fig. 1, Fig. 1 a is the cross-sectional view for being centrifuged into pattern of embodiment, shows the direction of axis line one for being centrifuged into pattern
The section along direction of axis line of end side.Fig. 1 b is molded by using the centrifugal formation method for being centrifuged into pattern of Fig. 1 a
The perspective view of the direction of axis line one end of cylinder.Fig. 1 c is the Ic-Ic cross-sectional view of Fig. 1 b.Fig. 1 d is the Id of Fig. 1 c to view
Figure.
In Fig. 2, Fig. 2 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The perspective view of the direction of axis line one end of cylinder.Fig. 2 b is the IIb-IIb line cross-sectional view of Fig. 2 a.
In Fig. 3, Fig. 3 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The perspective view of the direction of axis line one end of cylinder.Fig. 3 b is the IIIb-IIIb line cross-sectional view of Fig. 3 a.
In Fig. 4, Fig. 4 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 4 b are the IVb direction views of Fig. 4 a.
In Fig. 5, Fig. 5 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 5 b are the Vb direction views of Fig. 5 a.
In Fig. 6, Fig. 6 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 6 b are the VIb direction views of Fig. 6 a.
In Fig. 7, Fig. 7 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 7 b are the VIIb direction views of Fig. 7 a.
In Fig. 8, Fig. 8 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 8 b are the VIIIb direction views of Fig. 8 a.
In Fig. 9, Fig. 9 a is the circle molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The cross-sectional view of the direction of axis line one end of cylinder, Fig. 9 b are the IXb direction views of Fig. 9 a.
In Figure 10, Figure 10 a is molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The end-view of the direction of axis line one end of cylinder.Figure 10 b is the Xb-Xb line cross-sectional view of Figure 10 a.Figure 10 c is to reduce resin
Injection rate and the end-view of cylinder molded, Figure 10 d is the Xd-Xd line cross-sectional view of Figure 10 c.
In Figure 11, Figure 11 a is molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The perspective view of the direction of axis line one end of cylinder.Figure 11 b is the XIb-XIb line cross-sectional view of Figure 11 a.
In Figure 12, Figure 12 a is molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The perspective view of the direction of axis line one end of cylinder.Figure 12 b is the XIIb-XIIb line cross-sectional view of Figure 12 a.
In Figure 13, Figure 13 a is molded by using the centrifugal formation method for being centrifuged into pattern of other embodiments
The perspective view of the direction of axis line one end of cylinder.Figure 13 b is the XIIIb-XIIIb line cross-sectional view of Figure 13 a.
Figure 14 is the cross-sectional view for being centrifuged into pattern of other embodiments.
Figure 15 is the cross-sectional view for being centrifuged into pattern of other embodiments.
Figure 16 is the cross-sectional view for showing the centrifugal formation method for being centrifuged into pattern using Figure 15.
In Figure 17, Figure 17 a is the cross-sectional view for being centrifuged into pattern and the formed body that centrifugal forming goes out using Figure 15, Figure 17 b
It is the enlarged drawing of the part XVIIb of Figure 17 a.
Figure 18 is the cross-sectional view for being centrifuged into pattern of embodiment, shows the direction of axis line one end for being centrifuged into pattern
Along the section of direction of axis line.
In Figure 19, Figure 19 a is the cross-sectional view for being centrifuged into the cylinder that pattern goes out into type using Fig. 8, shows cylinder
Direction of axis line one end the section along direction of axis line.Figure 19 b is the enlarged drawing of the part XIXb of Figure 19 a.
In Figure 20, Figure 20 a is the cross-sectional view for being centrifuged into pattern of other embodiments, shows the axial line for being centrifuged into pattern
The section along direction of axis line of direction one end.Figure 20 b be using being centrifuged into pattern of Figure 20 a and centrifugal forming go out it is hollow
The cross-sectional view of a part of formed body.
Figure 21 is the cross-sectional view for being centrifuged into pattern of other embodiments.
Figure 22 is the cross-sectional view for being centrifuged into pattern of other embodiments.
In Figure 23, Figure 23 a is the cross-sectional view of the one end for being centrifuged into pattern of conventional example.Figure 23 b is by using Figure 23 a
The perspective view of the direction of axis line one end of cylinder for being centrifuged into the centrifugal formation method of pattern and molding.
Figure 24 is the bottom view of the sealing plate for being centrifuged into pattern of Fig. 1 a.
Figure 25 is the cross-sectional view for being centrifuged into pattern of other embodiments.
Figure 26 is the bottom view of the sealing plate for being centrifuged into pattern of Figure 25.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to embodiment.Fig. 1 a~Fig. 1 d shows the 1st embodiment, Fig. 1 a show from
The one end of heart shaping mould 10A, Fig. 1 b~Fig. 1 d, which is shown, is centrifuged into pattern 10A and cylinder 1A that centrifugal forming goes out using this.
Figure 24 is the bottom view for being centrifuged into the sealing plate 32A of pattern 10A.
In being centrifuged into pattern 10A for present embodiment, sealing plate 32A be centrifuged into pattern inner surface along cylinder
The formation predetermined position of the inner peripheral 1i of 1A is provided with multiple recess portion 32a at spaced intervals.Recess portion 32a is in the present embodiment
It is hemispherical.Other compositions of pattern 10A are centrifuged into other than omitting the point of locking mechanism, are centrifuged into 10 phase of pattern with Figure 23
Together, the same symbol is marked in same section.Recess portion 32a is provided with 8, and but not limited thereto.
In the case where use is centrifuged into pattern 10A and molds cylinder 1A, the injection rate of material resin is set as along mold
The inner peripheral surface of main body 11 and the end (sealing plate 32 of the inner peripheral 1i and recess portion 32a of the end face 1a of the cylinder 1A of centrifugal forming
Central side edge) consistent amount.
As a result, as shown in Fig. 1 b~Fig. 1 d, in the cylinder 1A that centrifugal forming goes out, the inner peripheral 1i along end face 1a exists
The protrusion 2 formed by recess portion 32a.Protrusion 2 is that a quarter after hemisphere is cut to two in diametrical direction is spherical, the cutting
Partially along the inner peripheral 1i of cylinder 1A.It is centrifuged into without acceptance of persons with standard shape and normal inner diameter being centrifuged into pattern 10A
In the cylinder 1A that type goes out, there is regulation number (being in Figure 1b 8) along inner peripheral 1i at predetermined intervals in protrusion 2.Therefore,
In the visually end face 1a of observation cylinder 1A, is arranged at predetermined intervals by confirmation protrusion 2 along inner peripheral and provide number, and energy
It enough confirms cylinder 1A and is formed as standard shape.
In the case where inner peripheral 1i is eccentric from the axle center of cylinder, a part of protrusion 2 no longer exists, and other one
Partial protrusion 2 is separated with inner peripheral 1i, does not exist in inner peripheral 1i, therefore can to easily and reliably confirm cylinder 1A
It is not formed into standard shape.
The outer peripheral edge of inner peripheral 1i and cylinder 1A form concentric circles, but when being path compared with standard shape, protrusion 2 all with
Inner peripheral 1i separation, does not exist in inner peripheral 1i, therefore be able to confirm that cylinder 1A is not formed into standard shape or standard
Diameter.
The outer peripheral edge of inner peripheral 1i and cylinder 1A form concentric circles, but when being major diameter compared with standard shape, and protrusion 2 is all not
In the presence of, therefore it is able to confirm that cylinder 1A is not formed into standard shape or normal inner diameter.
In inner peripheral 1i be path or major diameter compared with standard shape and inner peripheral 1i is eccentric relative to the outer peripheral edge of cylinder 1A
In the case where, similarly it is able to confirm that cylinder 1A is not formed into standard shape or normal inner diameter.
In Fig. 1 a~Fig. 1 d, it is provided with hemispherical recess portion 32a on the sealing plate 32 for being centrifuged into pattern 10A, passes through
Material resin is filled in about half of recess portion 32a, so that it is spherical as a quarter to be formed by protrusion 2.But recess portion
The shape of 32a may be that semiellipse is spherical, cylindrical, prismatic etc..It should be noted that if by recess portion be set as it is hemispherical or
Semiellipse is spherical equal more by the more wide shape of entrance side, then is easy to demould, be therefore preferred.
Fig. 2 a~Fig. 2 c shows the cylinder 1B that protrusion 2B is formed as hemispherical.The number of protrusion 2B is not limited to figure
Show.Protrusion 2B is configured along inner peripheral 1i.Other compositions of Fig. 2 a~Fig. 2 c are identical as Fig. 1 b~Fig. 1 d.
Fig. 3 a~Fig. 3 c shows protrusion 2C and is formed as cutting off a part of hemisphere (about 1/4 or so in Fig. 3 a~Fig. 3 c)
Made of shape cylinder 1C.Protrusion 2C is configured in such a way that the part of the notch is along the inner peripheral 1i of cylinder 1C.Protrusion
The number of 2C is not limited to illustrate.Other compositions of Fig. 3 a~Fig. 3 c are identical as Fig. 1 b~Fig. 1 d.
Fig. 4 a, Fig. 4 b show the cylinder 1D that protrusion 2D is formed as a quarter elliptical shape ball.Protrusion 2D is so that elliptical length
Diameter direction is the radial direction of cylinder 1D, configures elliptical minor axis direction along the mode of the inner peripheral 1i of cylinder 1D.Fig. 4 a,
Other compositions of Fig. 4 b are identical as Fig. 1 b, Fig. 1 c.
Fig. 5 a, Figure 5b shows that the cylinder 1E of the protrusion 2E of shape made of a part excision having semiellipse ball.
Protrusion 2E by make the radial direction of elliptical major diameter direction cylinder 1E, make notch face along the inner peripheral 1i of cylinder 1E in the way of
Configuration.Fig. 5 a, other compositions of Fig. 5 b are identical as Fig. 1 b, Fig. 1 c.
Fig. 6 a, Fig. 6 b show the cylinder 1F of the protrusion 2F with shape made of a part excision by rectangular pyramid.Four
Pyramid have long-diagonal and short diagonal under overlook view (as shown in Figure 6 b, the face view of end face 1a) be formed as water chestnut
The shape of shape, and be formed as shape made of cutting off the one end in long-diagonal direction.Protrusion 2F is so that long-diagonal direction
For cylinder 1F radial direction, make excision after part configured along the mode of the inner peripheral 1i of cylinder 1F.Fig. 6 a, Fig. 6 b its
He constitutes identical as Fig. 1 b, Fig. 1 c.
Fig. 7 a, Fig. 7 b show the cylinder 1G of the protrusion 2G with half cone-shaped.Protrusion 2G is formed as circular cone in radial direction
On be cut to the shape of half.Protrusion 2G by make the part of the cutting along the inner peripheral 1i of cylinder 1G in a manner of configure.Figure
7a, other compositions of Fig. 7 b are identical as Fig. 1 b, Fig. 1 c.
Fig. 8 a, Fig. 8 b show the cylinder 1H of the protrusion 2H with semi-cylindrical.Protrusion 2H is formed as cylinder in radial direction
On be cut to the shape of half.Protrusion 2H by make the part of the cutting along the inner peripheral 1i of cylinder 1H in a manner of configure.Fig. 8 a,
Other compositions of Fig. 8 b are identical as Fig. 1 b, Fig. 1 c.
Fig. 9 a, Fig. 9 b show the cylinder 1I with the protrusion 2I under overlook view being generally tear shape.Protrusion 2I is in
One end lateral bend, another side, towards the elongate overlook view shape in end, are formed as existing the one end in streamlined
Shape made of being cut off on the direction orthogonal with longitudinal direction.Protrusion 2I so that the part after the cutting along in cylinder 1I
The mode of periphery 1i configures.Fig. 9 a, other compositions of Fig. 9 b are identical as Fig. 1 b, Fig. 1 c.
In Fig. 1 a~Fig. 9 b, protrusion is configured along the inner peripheral of cylinder, but protrusion can also be arranged other than inner peripheral.
Figure 10 a, Figure 10 b show the cylinder 1J of its an example.It is formed using pattern 10A ' is centrifuged into shown in Figure 25
The inner peripheral of the end face 1a of cylinder 1J out is provided with protrusion 2.Protrusion shown in protrusion 2 and Fig. 1 b~Fig. 1 d is phase similar shape
Shape.It has been equally spaced multiple protrusion 2J in the circumferential between the inner peripheral and outer peripheral edge of the end face 1a of cylinder 1J.Phase
For the axle center of cylinder 1J, each protrusion 2J is located at the position for waiting radiuses.
Figure 10 c, Figure 10 d, which are shown, is centrifuged into pattern 10A ' using same, by reducing compared with Figure 10 a, Figure 10 b the case where
Resin injection rate and the cylinder 1J ' molded, Figure 10 c is end-view, and Figure 10 d is the Xd-Xd line cross-sectional view of Figure 10 c.The circle
There is only multiple protrusion 2J in end face by cylinder 1J '.
Figure 25 is for forming the cylinder 1J, 1J ' the cross-sectional view for being centrifuged into pattern 10A ', Figure 26 is its sealing plate 32
Bottom view.Protrusion 2J is formed using recess portion 32a '.Other compositions for being centrifuged into pattern 10A ' are identical as pattern 10A is centrifuged into,
The same symbol indicates same section.
By comparing the cylinder 1J ' of the cylinder 1J of Figure 10 a, Figure 10 b and Figure 10 c, Figure 10 d, can easily sentence
Whether the fixed molding cylinder of institute is standard shape.For example, the case where the cylinder 1J of Figure 10 a, Figure 10 b are standard shape
Under, Figure 10 c, Figure 10 d cylinder 1J ' do not have protrusion 2, therefore be judged as deviate tolerance range rejected product.In turn,
Even centrifugal forming is the cylinder 1J of standard shape, confirm whether protrusion 2 is formed as standard shape by visual observation, or whether
There are standard numbers or protrusion 2 at a distance from inner peripheral far from which kind of degree, can easily judge the mistake for generating which kind of degree
Difference.
On the contrary, in the case that the cylinder 1J ' shown in Figure 10 c, Figure 10 d is standard shape, shown in Figure 10 a, Figure 10 b
Cylinder 1J have protrusion 2, therefore immediately be judged as deviate tolerance range rejected product.In turn, even not having
The cylinder 1J ' of protrusion 2, confirm by visual observation protrusion 2J be with inner peripheral 1i at a distance from which kind of degree or protrusion 2J shape,
Number can easily judge the error for generating which kind of degree.
In such manner, it is possible to easily judge using it is of the invention be centrifuged into pattern and cylinder that centrifugal forming goes out whether in public affairs
In the range of difference.In turn, if the outer diameter of cylinder is identical, even if leading in the case where the internal diameter of the cylinder of target is different
The range for crossing change resin injection rate and tolerance, can also be manufactured by same mold.
Protrusion 2,2J shape can be any one of protrusion of FIG. 1 to FIG. 9, in addition or other than these protrusions
Protrusion.
In Fig. 1 a~Figure 10 d, protrusion 2,2A~2J formation are independent protrusion, but can also be such as Figure 11 a, Figure 11 b
Cylinder 1K is set as the protrusion 2a formed by the raised line extended along inner peripheral 1i like that.In addition, the protrusion formed on concentric circles
It is not necessarily 1 shape, or 2 or more shapes.In Figure 11 a, Figure 11 b, protrusion 2a is whole inner peripheral 1i's
It is continuous on a circumference, but can also at the 1 of midway or at 2 more than interrupt.Alternatively, it is also possible in the whole circumference of inner peripheral 1i
There are bumps on upper continuous curve.
Can also as Figure 12 a, Figure 12 b cylinder 1L be arranged protrusion 2a by being formed along the raised line of inner peripheral 1i and
Be arranged between inner peripheral 1i and outer peripheral edge by with the protrusion 2a ' that is formed of raised line that protrusion 2a is concentric circles.It can also be with
Other raised lines are further arranged in the mode for forming the concentric circles of 3 weights or more.
Protrusion is formed in cylinder 1A~1L of Fig. 1 a~Figure 12 b, but can also be by being centrifuged into the close of pattern
Recess portion 32a is replaced on sealing plate 32A and protrusion (diagram is omited) is set, thus along the inner circumferential of end face 1a as the cylinder 1M of Figure 13
Recess portion 5 is arranged in edge 1i.In this case, in inner peripheral 1i bias, or when being major diameter or path compared with standard shape, at least part
Recess portion 5 is not present, or separates with inner peripheral 1i, therefore can confirm cylinder 1M immediately and be not formed into standard shape.
In Figure 13 a, Figure 13 b, the formation of recess portion 5 is independent shrinkage pool shape, but or extends along inner peripheral 1i recessed
Item.In this case, recessed bar can week around inner peripheral 1i whole circumference, can also at the 1 of midway or at 2 more than interrupt.?
Can make recess portion such as raised line 2a, 2a of above-mentioned Figure 12 a, Figure 12 b ' be set as dual or multiple concentric circles.
Figure 14, which is shown, is centrifuged into pattern made of the setting of sealing plate 32 ' recess portion 32a in being centrifuged into pattern 10 for Figure 23
10A'.Other for being centrifuged into pattern 10A ' constitute identical, the same symbol expression identical portions that are centrifuged into pattern 10A with above-mentioned Figure 23
Point.
In the above-described embodiment, the axle center of the end face 1a and cylinder 1A~1M of cylinder 1A~1M that centrifugal forming goes out
Line direction is vertical, but can also as Figure 17 a, Figure 17 b cylinder 1N, end face 1a is the side more inner periphery 1i more to cylinder
The inclined tapered surface of longitudinal direction center side of body.
Figure 15, which is shown, is centrifuged into pattern 10B for forming the cylinder 1N with such cone-shaped end face 1a.
Figure 15 to be centrifuged into pattern 10B different from the composition for the sealing plate for being centrifuged into pattern 10A '.That is, in Figure 15, it is close
Sealing plate 32C is arranged in such a way that the inner surface in lid 12 covers the tubular portion opening 31 of above-mentioned die main body 11.Sealing plate 32C
It is supported, can be moved on mold axis direction by 3 guide blots 33 of perforation lid 12, and by outside loaded on the guide blot
Direction pushing tow of 33 crimp spring 34 towards above described tubular portion opening 31.
Lid 12 is being installed on die main body 11 and is making the engaging portion 26 of above-mentioned lock pawl 24 engaging in the state of flange 13
Under, above-mentioned sealing plate 32C is pressed into the end face of die main body 11 with strength by above-mentioned crimp spring 34.It as a result, reliably will pipe
Shape portion opening 31 seals, while keeping the locking state of above-mentioned engaging portion 26 and flange 13 together with above-mentioned Lock spring 25.
The inner surface of sealing plate 32C is provided with the discoid liner 41 of the end face for sealed tubular portion opening 31,
And the inner surface side of the liner 41 is provided with the discoid gold with outer diameter corresponding with the bore of tubular portion opening 31
Belong to inner cover 42 processed.
Above-mentioned liner 41 is arranged in a manner of the entire inner surface for covering sealing plate 32C.As the liner 41, in sealing plate
Lamination configuration in the side 32C has the silicon systems liner material 41a of resiliency appropriate, configures excellent heat resistance in 11 side lamination of die main body
Fluororesin system pad material 41b, thus, it is possible to obtain sufficient leakproofness, while sufficient heat resistance can be obtained.
Above-mentioned made of metal inner cover 42 is the substantially round of the state as the end for the tubular portion for being inserted into die main body 11
Plate-like, center are formed as towards mould inside direction circular conical surface outstanding.The made of metal inner cover 42 by perforation sealing plate 32C center
Bolt 43 it is fixed, above-mentioned liner 41 is clipped between the inner surface of sealing plate 32C at it.
By the inner surface in sealing plate 32C, such made of metal inner cover 42, the original being injected into die main body 11 are set
Material resin major part contacted with made of metal inner cover 42, can by liner 41 and material resin contact inhibition be it is minimum, therefore
It is possible to realize the long lifetimes of liner 41.In addition, the inner surface circular conical surface by making made of metal inner cover 42, can be improved molding
The fissility of product and made of metal inner cover 42 afterwards.In addition, only passing through replacement made of metal inner cover 42, it will be able to corresponding tubular portion
The different multiple kinds of molds main body of diameter.
The inner cover 42 is provided with multiple recess portion 42a.Relative to the central axis of inner cover 42, each recess portion 42a, which is located at, waits radiuses
Position (the formation predetermined position of inner peripheral 1i).That is, being equidistant from each recess portion 42a to the inner peripheral surface of die main body 11.
In the case where centrifugal forming goes out cylinder, the inner peripheral surface of cylinder of the material resin with centrifugal forming out and the edge of recess portion 42a
The consistent amount injection in portion (edge of the central side of inner cover 42).
Figure 16 shows to be injected into this and be centrifuged into pattern 10B and make to be centrifuged into pattern 10C material resin R to be revolved around its axle center
Then the state of centrifugal forming, Figure 17 a show using the centrifugal forming and mold rigid from being centrifuged into after pattern 10C demoulding
Cylinder 1N.Figure 17 b is the enlarged drawing of the part XVIIb of Figure 17 a.As shown in Figure 17 a, Figure 17 b, the end face 1a of cylinder 1N
Be formed as cone-shaped.
Using being centrifuged into the centrifugal forming of pattern 10B, centrifugal force is acted on to material resin R, therefore material resin R holds
It easily enters between the end face of die main body 11 and liner 41 (fluororesin system pads material 41b).Therefore, the cylinder for demoulding and obtaining
The end face 1a of the body 1N burr 1b easy to form stretched out from outer peripheral edge towards radiation direction.
If burr 1b is integrally formed and demoulds with molded product, i.e. cylinder 1N, will not be remained being centrifuged into pattern
Jagged 1b.However, being centrifuged into pattern 10B in Figure 15, the outer peripheral edge of coniform inner cover 42 is located closely adjacent to die main body
The position of 11 inner peripheral surface, therefore as being explicitly illustrated Figure 17 b, the periphery that the end face 1a of cylinder 1N intersects with outer peripheral surface 1c
The section shape of edge is formed as less than the acute angle-shaped of 90 ゜.Therefore, in cylinder 1N, the root portion of burr 1b, i.e. burr 1b
Be formed as thin-walled with the linking portion of cylinder 1N, burr 1b is easy to disconnect from the root.If burr 1b is from root in demoulding
It disconnects, then burr 1b, which can remain in, is centrifuged into pattern 10B, it is possible to can be generated in the centrifugal forming process of next time unqualified
Product.
Therefore, the present invention provide it is a kind of be centrifuged into pattern and the manufacturing method using the cylinder for being centrifuged into pattern,
In one mode, even if forming jagged, the bond strength of the burr and cylinder in the outer peripheral edge of the end face of cylinder
Height, when demoulding cylinder, burr together with cylinder from be centrifuged into pattern take out.
The centrifugal moulding mould of one mode has: the die main body of tubulose is used for centrifugal forming and goes out cylinder；And envelope
Closing part part closes the opening of the die main body；This is centrifuged into pattern and is characterized in that, in the packaged unit towards centrifugal forming
Packaged unit inner surface setting court on the inside of mould is centrifuged into the circular cone that prominent on the inside of pattern and direction is centrifuged into undergauge on the inside of pattern
The inner cover of shape or truncated cone, the outer peripheral edge of the inner cover and the inner peripheral surface of die main body are interior compared to this at a distance of specific range L
Lid, peripheral side is formed as the face vertical with the direction of axis line for being centrifuged into pattern.
Cylinder Figure 19 a as be described hereinafter for being gone out by the centrifugal forming mold forming, Figure 19 b, Figure 20 b cylinder 1P like that its
The peripheral side of end face is formed as the vertical plane vertical with the direction of axis line of cylinder.Therefore, in the periphery of the end face of cylinder
Wall ratio Figure 17 a, the cylinder 1N of Figure 17 b of the root portion for the burr that edge is formed are big, the main part of burr and cylinder
Bond strength is high.
As a result, can be prevented when making cylinder from centrifugal forming moulding/demoulding burr from root disconnect, and make burr with
Cylinder is integrally formed and demoulds.Be centrifuged into pattern as a result, preventing burr from remaining in, thus prevent next time and after
Molding cycles in generate rejected product in the molding cylinder of institute.
What Figure 18 showed which is centrifuged into pattern 10D, and Figure 19 a, 19b are shown to be centrifuged into pattern 10D and be centrifuged using this
The cylinder 1P molded.
Being centrifuged into pattern 10D preferably, inner cover 42A is formed as being centrifuged into pattern 10B compared with Figure 15
Lid 42 is the cone of path, and the outer peripheral edge of inner cover 42A and the inner peripheral surface of die main body 11 are at a distance of specific range L.Centrifugal forming
Mould 10D other constitute with Figure 15 to be centrifuged into pattern 10C identical, in same section label the same symbol.
In the case where being centrifuged into pattern 10D using this and molding cylinder 1P, the injection rate of material resin is set as along mould
Have main body 11 inner peripheral surface and the edge of inner cover central side of inner peripheral 1i and recess portion 42a of the cylinder 1P of centrifugal forming is consistent
Amount.The end face 1a of cylinder 1P includes as a result: tapered surface 1d is formed and connecting with inner cover 42A；With vertical plane 1e,
It is formed and connecting with the liner 41 (fluororesin system pads material 41b) in the range of above-mentioned L, the axial line with cylinder 1P
Direction is vertical.The width t of the vertical plane 1e of the radial direction of cylinder 1P2Be formed as and the above-mentioned consistent value of distance L.Tapered surface
The width t of the radial direction of 1d1With width t2The sum of (T=t1+t2) be cylinder 1E radial direction thickness.
Tapered surface 1d is 10~50 ° relative to the tilt angle theta of vertical plane 1e, particularly preferably 15~40 ° of degree.?
It is preferred that changing the angle of riser portions and central part.
The width t of vertical plane 1e2That is distance L changes according to the thickness T of cylinder 1E, be 0.5mm or more 50mm hereinafter,
Preferably 0.8mm or more is especially 2.0mm or less.If t2Small, then the thickness near the root of burr 1b cannot sufficiently become larger.If
t2It is excessive, then t1It is opposite to become smaller, so that the effect of coniform inner cover 42A, which is arranged, to be reduced.
By forming such vertical plane 1e, for from the outer peripheral edge of end face 1a, (end face 1a intersects with outer peripheral surface 1c's
Angle edge) the burr 1b that is formed of mode that is stretched out towards radiation direction, the cylinder 1N of thickness ratio Figure 17 of root is big, burr 1b with
The strength of connection of cylinder 1P becomes larger.As a result, burr 1b will not be disconnected near root when demoulding cylinder 1P,
It is integrally formed and demoulds with the main part of cylinder 1P.It prevents from burr 1b from remaining in as a result, to be centrifuged into pattern 10D, thus
Prevent rejected product.
In this embodiment, packaged unit is constituted by sealing plate 32,41 and inner cover 42A of liner and lid 12.
In Figure 18, inner cover 42A is cone, and the entire inner surface of inner cover 42A is (towards the inside for being centrifuged into pattern 10D
Face) be formed as circular conical surface, but the pattern 50 that be centrifuged into that can also be as shown in figure 20 makes the interior table for being installed on sealing plate 60 like that
The inner cover 70 of surface side is truncated cone shape.That is, the outer peripheral edge in the face that the direction of the inner cover 70 is centrifuged into pattern 50 is formed about
For tapered surface 71, compared to this, center side is formed as the plane 72 vertical with the direction of axis line for being centrifuged into pattern 50.Inner cover 70
Outer peripheral edge and die main body 51 inner peripheral surface distance L.
Multiple recess portions 75 are provided in the plane 72.Relative to the central axis of inner cover 70, each recess portion 75, which is located at, waits radiuses
Position.
The plate central portion of sealing plate 60 is provided with opening 61, it is chimeric with the opening 61 from the protrusion that inner cover 70 projects 73.
Inner cover 70 is fixed on sealing plate 60, but the fixation of inner cover 70 by perforation sealing plate 60 and the bolt (diagram omit) that screws togather with inner cover 70
It's not limited to that for mode.
The liner 80 being located between sealing plate 60 and inner cover 70 is the silicon systems liner that lamination configuration is overlapped with sealing plate 60
Made of material 81 and the fluororesin system being overlapped with inner cover 70 liner material 82.
The end for the die main body 51 for being centrifuged into pattern 50 is provided with flange 53.Relative to die main body 51 end face every
Liner 80 overlap with sealing plate 60.
Although diagram is omitted, it is provided with the lid for sealing plate 60 to be fixed on to die main body 51.It, can be with as the lid
Use the lid of composition identical with above-mentioned lid 12.Packaged unit is constituted by sealing plate 60, inner cover 70 and liner 80 and the lid.
It is centrifuged into pattern 50 using this, molds cylinder 3 as shown in fig. 20b.The injection rate of material resin is set as edge
The inner peripheral surface of die main body 51 and end face 3a and the peripheral side of tapered surface 71 and plane 72 also phase of the cylinder 3 of centrifugal forming
It connects, the consistent amount in edge of the center side of inner peripheral 3i and recess portion 75.The end face 3a of cylinder 3 includes as a result: vertical plane 3f,
It is formed and connecting with plane 72, vertical with the direction of axis line of formed body 3；Tapered surface 3d, by with tapered surface 37
Connect and is formed；With vertical plane 3e, connect and shape by with the liner 80 (fluororesin system pads material 82) in the range of above-mentioned L
At vertical with the direction of axis line of formed body 3.The radial direction width t of vertical plane 3e3Preferred scope and above-mentioned Figure 19 b t2
It is identical.Along inner peripheral 3i, there are protrusion 3g.
In the cylinder 3, near the root for intersecting the burr 3b that outer peripheral edge is stretched out of end face 3a and outer peripheral surface 3c
Thickness also becomes larger.The burr 3b in demoulding is prevented to be disconnected as a result, to prevent rejected product.In addition, utilizing protrusion 3g
It can easily be done the shape inspection Check of cylinder 3.
In the above-described embodiment, setting lid 12 and sealing plate 32,60 are used as packaged unit, but also can be omitted lid, and
Packaged unit is only constituted with sealing plate.
It is preferred that protrusion 2,2A~2J, 2a, 2a ', the preferred size of 2b, 3g and recess portion 5 determines according to the tolerance of internal diameter.
In the case where protrusion or recess portion are independent shape, it is easy to carry out the identification of concentric circles if there are 3 or more,
If the generation for being then easy inhibition burr within 32, it is therefore preferred.Particularly preferably 8 or so.
Pattern 10A ' is centrifuged into, in 10B, 10D in Figure 14~Figure 16, has locking device 21 as shown in figure 23, but
It's not limited to that for locking mechanism, and various locking mechanisms can be used.Figure 21, Figure 22, which are shown, is centrifuged into pattern with the locking mechanism
An example.
The pattern 100 that is centrifuged into of Figure 21 includes the die main body 111 of tubulose and for closing opening for the die main body 111
The lid 112 of mouth.Lid 112 is provided with above-mentioned recess portion or protrusion.Material resin is being injected into die main body 111, installation lid
After 112, by making its high speed rotation centered on mold axis, the tubular of the inner peripheral surface along die main body 111 is molded
Molded product.Lid 112 includes discoid cover board 113, the open end of closed mould main body 111；With the side tube part of tubular
114, from the periphery of the cover board 113 along the outer peripheral surface of die main body 111 and be spaced apart certain intervals setting.
Locking device 121 for lid 112 to be fixed on to die main body 111 includes lock pawl supporting part 122, is covering
112 side tube part 114 is set to many places, such as is set at 3~4 at equal intervals；Lock pawl 123 is respectively arranged in each locking
Pawl supporting part 122；Spring 124, to 123 pushing tow of lock pawl on latched position direction；With latch-release ring 125, set
It sets in the front end of side tube part 114.
Lock pawl supporting part 122 includes pin hole, installs the pin (fulcrum) 126 for being pivotally supported lock pawl 123；Spring
Incorporating section 127 is used to install above-mentioned spring 124；And internal thread part, bolt 128 is installed, above-mentioned latch-release ring is supported
125.Installation bolt 128 internal thread part bearing be arranged in side tube part 114 whole circumference latch-release ring 125, therefore with
The position of lock pawl supporting part 122 is unrelated, can be set in the arbitrary position of side tube part 114.
Latch-release ring 125 includes: the latch-release piece being inserted between die main body outer peripheral surface and side tube part inner peripheral surface
131, along the connecting piece 133 of the installation sheet 132 of the state of side tube part outer peripheral surface and connection installation sheet 131,132, and section is U
Shape.It is arranged on mold axis direction in a manner of corresponding with the installation site of above-mentioned bolt 128 in above-mentioned installation sheet 132
Long hole 134 with long axis.The latch-release ring 125 is by the above-mentioned bolt 128 of insert long hole 134 relative to mold axis side
The front end of side tube part 114 is installed on to the state that can be moved.
Lock pawl 123 is formed as being supported base end part by above-mentioned pin 126 and the state that can rotate, and turning end (inner end) is from side
Canister portion inner peripheral surface is prominent towards die main body side and becomes the state that can be connected to die main body outer peripheral surface.123 quilt of lock pawl
Above-mentioned spring 124 is towards projected direction pushing tow, in the state that lid 112 is not installed on die main body 111, remain turn to
The state for the position that the front end of the latch-release piece 131 of latch-release ring 125 abuts.At this point, latch-release ring 125 be formed as by
The state of the position (side opposite with cover board) far from side tube part front end is pressed by the lock pawl 123 of 124 pushing tow of spring, and
The turning end of lock pawl 123 at this time is formed as prominent towards inner circumferential side compared with being equivalent to the position of outer peripheral surface of die main body 111
State out.
The locking device 121 formed in this way passes through turning for lock pawl 123 when lid 112 is installed on die main body 111
The periphery face contact of moved end and die main body 111, and the jacking force for being formed as the resistance spring 124 of lock pawl 123 is given as security back cover board
The state of 113 sides.If lid 112 is located at the position of the opening of closed mould main body 111, and be set to the liner 115 of cover board 113 at
For the closed state being crushed, then lock pawl 123 remains using the jacking force of spring 124 and turning end is made to be connected to mold master
The state of the outer peripheral surface of body 111.
Also, in the closed state, the turning end of lock pawl 123 is connected to the position of the outer peripheral surface of die main body 111
To be located at size and positional relationship than above-mentioned pin 126 by setting each section in a manner of open side (113 side of cover board).Therefore, with
The lock pawl 123 rotated centered on pin 126 is formed as stinging wedge-shapedly using the positional relationship of pin 126 and turning end abutting part
Enter the lock state between die main body and side tube part.Therefore, it prevents lid 112 towards the movement of opening direction, and remains lid
The state of the opening of 112 closed mould main bodys 111.That is, lid 112 is only by being installed on axis direction relative to die main body 111
On can automatically remain closed state.
After shaping, in the case where lid 112 being removed from die main body 111, make above-mentioned latch-release ring 125 towards cover board
113 sides are mobile, by rotating lock pawl 123 towards cover board side using latch-release piece 131, can release turning end and mold master
The lock state of the abutting state of the outer peripheral surface of body 111, i.e. lock pawl 123.
The pattern 200 that is centrifuged into of Figure 22 includes the die main body 211 of tubulose and for closing opening for the die main body 211
The lid 212 of mouth, is provided with above-mentioned recess portion or protrusion in lid 212.Material resin is being injected into die main body 211, installation lid
After 212, by making its high speed rotation centered on mold axis, obtain the tubular of the inner peripheral surface along die main body 211 at
Type product.
Locking device 221 for lid 212 to be fixed on to die main body 211 includes lock pawl supporting part 222, Deng between
At the 3 of the periphery that lid 212 is set；With lock pawl 223, it is respectively arranged in each lock pawl supporting part 222.Lock pawl bearing
Portion 222 has a pair of of the supporting slice 224 for clipping lock pawl 223.Each supporting slice 224 be cut lid 212 periphery and formed, and
And be formed as making the upper surface 222a of lock pawl supporting part 222 with the inclined state of the sagging mode in lid peripheral side.In supporting slice
224 are provided with pin hole 227, install the pin 225 for supporting lock pawl 223.
Lock pawl 223 has the engaging portion 226 engaging in the flange 213 that die main body 211 is arranged in its front end, and
And the external thread part screwed togather in rear end with nut.The lock pawl 223 is by making the above-mentioned insert of pin 225 be set to centre
It is pivotally supported, and is formed as on mold axis direction by above-mentioned supporting slice 224 in the state of the long hole 227 of the pawl longitudinal direction in portion
The state that can be moved, and can lift in the normal direction.
Nut 228 and above-mentioned locking of the lock pawl 223 when being installed on lid 212, in the external thread part for being screwed together in rear end
Helical spring 230 is installed with compressive state across washer 229 between pawl supporting part 222.The helical spring 230 is opposite with front end side
In the state pressure that the upper surface 222a of lock pawl supporting part 222, i.e. helical spring bearing surface, peripheral side are conjugated towards extreme direction before pawl
It connects, therefore the deflection of inner circumferential side becomes larger compared with the deflection of peripheral side.Therefore, the recuperability pair of helical spring 230 is utilized
Lock pawl 223 effect topple over rear end portion side (nut side) towards lid periphery direction power, and formed make engaging portion 226 engaging in
The power in the direction of flange 213.
The locking device 221 formed in this way passes through above-mentioned spiral in the state that lid 212 is installed on die main body 211
The effect of spring 230 and be formed as the engaging portion 226 of lock pawl 223 reliably engaging in the state of flange 213, and be formed as
Lid 212 is pressed into the state of the opening of die main body 211.At this point, by proper choice of the performance of helical spring 230, it can
Keep lid 212 and die main body 211 closely sealed with required sufficient pressing force.In addition, by changing nut 228 to lock pawl 223
The amount of screwing togather is capable of the pressing force of micro-adjustment helical spring 230.
The latch-release of locking device 221 can be by carrying out the rear end of lock pawl 223 and lifting towards lid inner circumferential side.It should
The operation of lifting of lock pawl 223 can be by the latch-release jig for the coniform circular conical surface that in inner circumferential will there is lid side to expand
(diagram is omited) presses towards mold axis direction and is easy to carry out.Moreover, by the way that the circular conical surface of latch-release jig is formed as
Conical surface-shaped with maximum diameter corresponding with lid 212, and the lock pawl 223 at 3 can be made, independent of they position and it is same
When lift.Therefore, by combining the jig with the latch-release of such circular conical surface and holding the jig of lid 212, energy
It is enough automatically to carry out lid 212 relative to the handling of die main body 211 and the opening and closing operations of locking device 221.
In the present invention, the inner hole of cylinder need not be fully coaxial with the outer peripheral surface of cylinder, can slightly partially
The heart.
Above embodiment is an example of the invention, and the present invention can also use composition other than the above.In the present invention,
The surface treatment such as plating (such as chromium plating) or corona treatment can be imposed in the inner surface of the cylinder molded.In addition,
The layer of silicon systems material or fluorine system material etc. can also be formed in the inner surface of cylinder and form lamination construction.
The application is based on Japanese patent application case 2016-130410 filed on June 30th, 2016, by reference
Quote its entirety.
Symbol description
1,1A~1P, 3 cylinders
The end face 1a
1b burr
1i inner peripheral
2,2A~2I, 2a, 2a ', 2b, the protrusion of 3g cylinder
10,10A, 10A ', 10B, 10D, 50,100,200 are centrifuged into pattern
11,51 die main bodies
32,32A, 60 sealing plates
41,80 liners
42,42A, 70 inner covers
42a, 75 are centrifuged into the recess portion of pattern
Claims (11)
1. one kind is centrifuged into pattern, the die main body of tubulose is included, centrifugal forming is used for and goes out cylinder；And packaged unit,
Its opening for closing the die main body；
This is centrifuged into pattern and is characterized in that,
It is centrifuged into the packaged unit inner surface on the inside of pattern in the direction of the packaged unit, is provided on concentric circles in institute
Molding cylinder end face forms recess portion or the protrusion of protrusion or recess portion.
2. being centrifuged into pattern as described in claim 1, which is characterized in that the recess portion of the packaged unit inner surface or protrusion are set
It sets near the inner peripheral of cylinder.
3. being centrifuged into pattern as claimed in claim 2, which is characterized in that the recess portion of the packaged unit inner surface or protrusion edge
The inner peripheral of cylinder is arranged.
4. being centrifuged into pattern as claimed any one in claims 1 to 3, which is characterized in that the protrusion of the packaged unit or
The section crest line of recess portion is made of curve.
5. being centrifuged into pattern according to any one of claims 1 to 4, which is characterized in that the protrusion of the packaged unit or
Recess portion is used to check the internal diameter precision of cylinder and is arranged.
6. being centrifuged into pattern as described in any one of claims 1 to 5, which is characterized in that the protrusion of the packaged unit or
Recess portion in the circumferential interval and be provided with multiple.
7. being centrifuged into pattern Ru described in any one of claims 1 to 6, which is characterized in that the protrusion of the packaged unit or
Recess portion is continuously arranged in the circumferential.
8. material resin is injected into any in claim 1 to 7 by a kind of manufacturing method of cylinder with following processes
It is centrifuged into pattern described in, by centrifugal forming, molds and is formed with the cylinder of recess portion or protrusion in end face, then carry out
Demoulding.
9. the manufacturing method of cylinder as claimed in claim 8, wherein use the polyamide-based composition of anionic polymerisation.
10. a kind of manufacturing method of metal-resin composite, using being centrifuged into described in any one of any one of claims 1 to 77
Pattern and the aperture surface of cylindrical resin formed body that obtains it is embedding fixed metal core material.
11. material resin is injected into claim with following processes by a kind of inspection Check method of internal diameter precision of cylinder
It is centrifuged into pattern described in any one of 1 to 7, by centrifugal forming, molds and is formed with the cylinder of recess portion or protrusion in end face
Body is then demoulded.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-130410 | 2016-06-30 | ||
| JP2016130410A JP2018001552A (en) | 2016-06-30 | 2016-06-30 | Centrifugal molding die and manufacturing method of hollow cylindrical body |
| PCT/JP2017/018350 WO2018003329A1 (en) | 2016-06-30 | 2017-05-16 | Centrifugal forming mold and method for manufacturing cylindrical body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109476052A true CN109476052A (en) | 2019-03-15 |
Family
ID=60786877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780039229.8A Pending CN109476052A (en) | 2016-06-30 | 2017-05-16 | It is centrifuged into the manufacturing method of pattern and cylinder |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2018001552A (en) |
| KR (1) | KR20190025845A (en) |
| CN (1) | CN109476052A (en) |
| TW (1) | TW201808578A (en) |
| WO (1) | WO2018003329A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522340A (en) * | 1969-09-17 | 1970-07-28 | Joseph F Shoe Co Inc | Injection molding process |
| JPH0247014A (en) * | 1988-08-10 | 1990-02-16 | Nippon Zeon Co Ltd | Manufacture of round or round concentric multilayer structure |
| CN203792605U (en) * | 2014-04-18 | 2014-08-27 | 湖南省洪昌科技有限公司 | Die for rotational molding of oil drums |
| CN204309182U (en) * | 2014-11-16 | 2015-05-06 | 扬州尼尔工程塑料有限公司 | The metal-cored sealed type mould of integrated metal coil MC nylon wheel |
| CN106903833A (en) * | 2017-04-27 | 2017-06-30 | 郭文政 | Steel lining plastic flange lining plastic face one-shot forming die cap |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4824024B1 (en) * | 1969-06-12 | 1973-07-18 | ||
| JP2000002629A (en) * | 1998-06-18 | 2000-01-07 | Geotop Corp | Compression test sample of centrifugally tightened and hardened concrete, its form, and its manufacture |
| JP2004142109A (en) | 2002-10-21 | 2004-05-20 | Nippon Polypenco Ltd | Seal structure of lid in centrifugal mold |
| JP2004352545A (en) * | 2003-05-28 | 2004-12-16 | Kobe Steel Ltd | Method for manufacturing vitreous carbon made pipe and vitreous carbon made pipe manufactured by the method |
| JP2008044323A (en) * | 2006-08-21 | 2008-02-28 | Shin Etsu Polymer Co Ltd | Mold for centrifugal molding and method of manufacturing endless molding |
-
2016
- 2016-06-30 JP JP2016130410A patent/JP2018001552A/en active Pending
-
2017
- 2017-05-16 CN CN201780039229.8A patent/CN109476052A/en active Pending
- 2017-05-16 WO PCT/JP2017/018350 patent/WO2018003329A1/en active Application Filing
- 2017-05-16 KR KR1020187037463A patent/KR20190025845A/en not_active Application Discontinuation
- 2017-06-30 TW TW106121886A patent/TW201808578A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522340A (en) * | 1969-09-17 | 1970-07-28 | Joseph F Shoe Co Inc | Injection molding process |
| JPH0247014A (en) * | 1988-08-10 | 1990-02-16 | Nippon Zeon Co Ltd | Manufacture of round or round concentric multilayer structure |
| CN203792605U (en) * | 2014-04-18 | 2014-08-27 | 湖南省洪昌科技有限公司 | Die for rotational molding of oil drums |
| CN204309182U (en) * | 2014-11-16 | 2015-05-06 | 扬州尼尔工程塑料有限公司 | The metal-cored sealed type mould of integrated metal coil MC nylon wheel |
| CN106903833A (en) * | 2017-04-27 | 2017-06-30 | 郭文政 | Steel lining plastic flange lining plastic face one-shot forming die cap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018001552A (en) | 2018-01-11 |
| WO2018003329A1 (en) | 2018-01-04 |
| KR20190025845A (en) | 2019-03-12 |
| TW201808578A (en) | 2018-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan Applicant after: Mitsubishi Chemical Advanced Materials Co., Ltd. Address before: Tokyo, Japan Applicant before: Cross Bo Engineering Plastics (Japan) Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190315 |