CN105881782A - Housing manufacturing method and mold device - Google Patents
Housing manufacturing method and mold device Download PDFInfo
- Publication number
- CN105881782A CN105881782A CN201610082584.0A CN201610082584A CN105881782A CN 105881782 A CN105881782 A CN 105881782A CN 201610082584 A CN201610082584 A CN 201610082584A CN 105881782 A CN105881782 A CN 105881782A
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- China
- Prior art keywords
- mould
- housing
- internal thread
- die device
- molded
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 239000000284 extract Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 21
- 239000000758 substrate Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2022/00—Hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a housing manufacturing method and a mold device, and the method can be used for efficiently manufacturing a housing with an internal thread on the inner peripheral wall through resin. The mold device (1) is provided with a first mold formed at the peripheral side of the housing; a second mold (200) which is provided with a shaft part (210) opposite to an open end; and a third mold (300) which is provided with a cylindrical part (320) which is provided with a spiral groove (310) for forming an internal thread (26). The third mold (300) is provided with a through hole (340) for the passing of the shaft part (210) of the second mold (200).
Description
Technical field
The present invention relates to the manufacture method of the housing for fluid cushion device etc. and for manufacturing housing
Die device.
Background technology
In having between the housing of bottom tube-like and rotary shaft the fluid cushion device being filled with fluid, at housing
The end of open side is fixed with the cover with the hole through for rotary shaft, and rotary shaft is supported by the hole of housing and is
Can rotate.In order to cover is fixed on housing, it is proposed that the method utilizing ultrasonic bonding.At this ultrasonic wave
In welding, make soldering tip abut with the end face of the rear side of the direction of insertion of cover thus produce ultrasonic wave, make from axis
The outer peripheral face part of cover overlapping when direction is observed and the inner peripheral surface partial melting of housing, and cover is pressed into housing
Interior (with reference to patent document 1).
Patent document 1: Japanese Unexamined Patent Publication 2012-202504 publication
Summary of the invention
Invent problem to be solved
In the case of utilizing ultrasonic bonding, exist because the state of ultrasonic bonding causes fixing intensity low
Problem, therefore inventor herein have studied the external screw thread of the outer peripheral face by being formed at cover and is formed at shell
The internal thread of the inner peripheral surface of body and the method that is fixed on housing.
But, in the housing having bottom tube-like for fluid cushion device, internal thread should be formed at ratio
Region is formed with the protuberance separated by inner position.Accordingly, it would be desirable at the internal perisporium for molded housing
Mould arranges the helicla flute forming internal thread and the recess forming the protuberance separated.Therefore, at resin forming
After when making housing separate with mould, exist and be intended to make in the inner side of housing mould rotate so that helicla flute and interior spiral shell
Line separates, but cannot make the problem that mould rotates.
In view of problem above, the problem of the present invention is to provide one and can be manufactured efficiently by resin forming
Internal perisporium is formed with the manufacture method of the housing of the housing of protuberance and internal thread and for this manufacture method
Die device.
For solving the scheme of problem
In order to solve above-mentioned problem, the present invention relates to the manufacture method of a kind of housing, it is by employing mould
The resin forming manufacture of device has the housing of bottom tube-like, described housing to have to be radially oriented interior pleurapophysis from internal perisporium
Protuberance described in the protuberance gone out and the ratio being formed at described internal perisporium by the internal thread of the position of open side,
Described die device is provided with the first mould, and it is for being molded the outer circumferential side of described housing；Second mould,
It is contrary with described open end relative to described internal thread that it has in the inner circumferential side for being molded described housing
The axle portion of side；And the 3rd mould, it has a portion, and the outer peripheral face of cartridge is formed for becoming
The helicla flute of internal thread described in type, and described 3rd mould is formed for the through hole that described axle portion is through.
That is, the present invention relates to a kind of die device, its resin forming has the housing of bottom tube-like, and described housing has
Have from internal perisporium be radially oriented the prominent protuberance in inner side and be formed at described internal perisporium ratio described in protuberance lean on
The internal thread of the position of open side, described die device has: the first mould, and it is used for being molded described shell
The outer circumferential side of body；Second mould, its have in the inner circumferential side for being molded described housing relative in described
The axle portion of the side that screw thread is contrary with described open end；And the 3rd mould, it has a portion, cartridge
Outer peripheral face be formed with the helicla flute for being molded described internal thread, and described 3rd mould is formed for described
The through hole that axle portion is through.
In the present invention, in addition to using for the first mould of the outer circumferential side of molded housing, apparatus is also made
Have the side contrary with open end relative to internal thread in the inner circumferential side of molded housing axle portion
3rd mould of the through hole that two molds is through with the axle portion being formed for the second mould, is arranged at the 3rd mould
Having a portion, the outer peripheral face in cartridge is formed with the helicla flute for being molded internal thread.Further, the 3rd
Mould is formed for the through hole that the axle portion of the second mould is through.Therefore, it is possible to by the second mould in housing
Portion's demoulding in the axial direction, it is possible to make the 3rd mould rotate about the axis and from the inside of housing dismantle.Therefore,
The bottom tube-like that has being formed with protuberance and internal thread at internal perisporium can be manufactured efficiently by resin forming
Housing.
In the present invention, it is preferred to after using housing described in described die device resin forming, separate described shell
When body and described die device, carrying out: the second mold releasability operation, it makes described second mould towards from institute
State housing to extract the direction of described second mould and move；And the 3rd mold releasability operation, it is described second
After mold releasability operation, described 3rd mould is made to rotate and extract described 3rd mould from described housing.
In the present invention, it is preferred to when carrying out described 3rd mold releasability operation, be positioned at described in described axle portion
Described 3rd mould is made to rotate under the state of the inner side of cylindrical portion.According to this structure, even if at the wall of cylindrical portion
In the case of thickness is relatively thin, when making the 3rd mould rotate, cylindrical portion is not easy to deformation.
In the present invention, it is preferred to be provided with the 4th mould at described die device, described 4th mould is by described
The part the most overlapping with described internal thread in the outer circumferential side of housing is shaped to taper surface, described taper
Tilt facing to the direction that diameter diminishes in described open side.Mould dress i.e., preferably involved in the present invention
Put and there is the 4th mould, described 4th mould by the outer circumferential side of described housing with described internal thread radially
The part of upper overlap is shaped to taper surface, the direction that described taper surface diminishes towards diameter in described open side
Tilt.According to this structure, it is possible to the taper surface being arranged at the open side of housing is used as peel of mould device
With demoulding conical surface during housing.Therefore, the female part of the formation in housing is unlikely to deform.
Invention effect
In the present invention, in addition to using for the first mould of the outer circumferential side of molded housing, use is also used
Second mould in the axle portion of the side contrary with open end relative to internal thread in the internal perisporium of molded housing
Tool and be formed for the 3rd mould of the through through hole in the axle portion of the second mould, is provided with cylinder at the 3rd mould
Portion, the outer peripheral face in cartridge is formed with the helicla flute for being molded internal thread.Therefore, it is possible to by second
Mould is extracted in the axial direction from enclosure interior, it is possible to make the 3rd mould rotate about the axis and from the inside of housing
Under dismounting.Therefore, it is possible to by resin forming manufacture efficiently the internal perisporium at housing be formed protuberance and
The housing having bottom tube-like of internal thread.
Accompanying drawing explanation
Fig. 1 (a), Fig. 1 (b) are the explanatory diagrams of fluid cushion device.
Fig. 2 (a), Fig. 2 (b) are the explanatory diagrams of the major part of the die device applying the present invention.
Fig. 3 is the first mould of the outer circumferential side that the die device applying the present invention is decomposed into molded housing
Exploded perspective view with the mould of shaping inner circumferential side etc..
Fig. 4 (a), Fig. 4 (b) are the inner circumferential sides of the molded housing in the die device applying the present invention
Deng the exploded perspective view of mould.
Fig. 5 (a), Fig. 5 (b) are by the inner circumferential of the molded housing in the die device applying the present invention
The sectional view of the part enlarged representation of side etc..
(description of reference numerals)
1 ... die device, 10 ... fluid cushion device, 20 ... housing, 21 ... diapire, 22 ... cylindrical portion,
23 ... protuberance, 24 ... outer peripheral face, 26 ... internal thread, 27 ... internal perisporium, 28 ... taper surface, 29 ... open end,
30 ... rotor, 40 ... rotary shaft, 50 ... spool, 60 ... cover, 66 ... external screw thread, 100 ... the first mould,
110 ... the first mold component, 116 ... runner, 120 ... the second mold component, 130 ... runner plate, 200 ...
Second mould, 210 ... axle portion, 300 ... the 3rd mould, 310 ... helicla flute, 320 ... cylinder portion, 330 ... this
Body, 340 ... through hole, 400 ... the 4th mould, 410 ... taper surface, 440 ... through hole, 500 ... protect
Hold frame, 540 ... through hole, 600 ... support plate, 640 ... through hole, 800 ... the first substrate parts, 900 ...
Sleeve, L ... axis, L1 ... side, L2 ... opposite side.
Detailed description of the invention
Referring to the drawings to being used for implementing embodiments of the present invention illustrating.It addition, say at following
In bright, as there being the housing of bottom tube-like, illustrate the housing 20 for fluid cushion device 10.
(structure of housing 20)
Fig. 1 (a), Fig. 1 (b) are the explanatory diagrams of fluid cushion device 10, and Fig. 1 (a) is that fluid delays
The stereogram of flushing device 10, Fig. 1 (b) is the exploded perspective view of fluid cushion device 10.
As it is shown in figure 1, fluid cushion device 10 has columned fluid cushion device master at opposite side L2
Body 10a.Protrude the connecting portion 10b (output of shaft-like towards side L1 from fluid cushion apparatus main body 10a
Axle), connecting portion 10b connects the toilet seat etc. having Western-style toilet.This fluid cushion device 10 is erecting
Toilet seat by cover fall down in the way of toilet main body time, produce the power (load) resisted with it thus drop
The speed of falling down of low toilet seat.The face toward each other of connecting portion 10b is tabular surface 10c, is put down by this
Smooth 10c prevents toilet seat to dally relative to connecting portion 10b.
Fluid cushion device 10 has: have the housing 20 having bottom tube-like of diapire 21 at opposite side L2；
Opposite side L2 is configured at the rotor 30 of the inner side of housing 20；And the opening of housing 20 is closed at side L1
The circular cover 60 of end 29.In the present embodiment, housing 20 and cover 60 are all synthetic resins.
Housing 20 has the cylindrical portion 22 extended from the outer peripheral edge of diapire 21 towards side L1.Cylindrical portion 22
Internal diameter is identical in the circumferential.It is radially oriented inner side from the internal perisporium 27 of cylindrical portion 22 and protrudes two separation use
Protuberance 23.Two protuberances 23 are formed at the angle position of deviation 180 ° in the circumferential.This embodiment party
In formula, the end of the opposite side L2 of two protuberances 23 is all connected with diapire 21.Protuberance 23 is formed as cross section
Trapezoidal shape, thinning towards inner circumferential size (thickness) from radial outside.
Rotor 30 has: the opposite side L2 in axis L direction is configured at the rotary shaft 40 of the inner side of housing 20；
And it is held in the spool 50 of rotary shaft 40.Rotary shaft 40 is formed from a resin, and has: be positioned at housing 20
The first axle part 41 of pole shape of inner side；And leaning on the position of side L1 to extend than the first axle part 41
The second axle part 42.Outer peripheral face at the first axle part 41 is formed with the spool supporting protuberance of supporting spool 50
46。
It is formed between the first axle part 41 and the second axle part 42 of rotary shaft 40: at side L1 and first
The first circular flange part 43 that axle portion 41 is adjacent；At side L1 and the first flange part 43 across regulation
Interval the second circular flange part 44 in opposite directions.Therefore, at the first flange part 43 and the second flange part 44
Between form ring-type all grooves 45.Therefore, as long as O 70 being assemblied in week groove 45 and by rotary shaft
The first axle part 41 of 40 is pressed into the inner side of housing 20, O 70 just with the cylindrical portion 22 of housing 20
Internal perisporium 27 abuts, and the space clipped by housing 20 and rotary shaft 40 is sealed.Further, at housing 20
Inside, by diapire 21 and the first axle part 41 at side L1 and diapire 21 the first flange part 43 in opposite directions
The space marked off seals as surge chamber.Now, the fluids (viscous fluid) such as oil it are filled with at surge chamber.
Then, cover 60 is inserted between the second axle part 42 of rotary shaft 40 and the cylindrical portion 22 of housing 20,
If fixing cover 60, then constitute fluid cushion device 10.Now, convex with the second of rotary shaft 40 at cover 60
Circular pad 75 it is configured with between edge 44.
In this condition, recessed by the diapire 21 of housing 20 of the end 49 of the opposite side L2 of rotary shaft 40
Portion (not shown) supports as rotating, and the second axle part 42 is propped up in the inner side in the hole 61 of cover 60
Hold as rotating.Further, the hole 61 of the through cover of a part 60 of the second axle part 42, constitute connecting portion
10b。
(fixed structure of cover 60)
In the fluid cushion device 10 of present embodiment, in order to cover 60 is fixed on housing 20, utilize
It is formed at the external screw thread 66 of the outer peripheral face 62 of cover 60 and is formed in the internal perisporium 27 of housing 20 and opening
Hold the internal thread 26 of 29 adjacent parts.Further, in the internal perisporium 27 of housing 20, it is positioned at side L1
The internal diameter of part (being formed with the part of internal thread 26) bigger than the internal diameter of the part being positioned at opposite side L2,
The part at side L1 and be formed towards side L1 between the part of opposite side L2 ring-type
Stage portion 25.Therefore, in the present embodiment, when cover 60 is fixed on housing 20, by cover
60 abut with stage portion 25, control cover 60 intrusion in housing 20.Further, outside housing 20
Be formed in part with towards diameter in open end 29 side the most overlapping with internal thread 26 in side face 24
The taper surface 28 that the direction diminished tilts.
In the present embodiment, in cover 60, axis L direction top external diameter the best part be formed outside
The part of screw thread 66.More particularly, the external diameter of cover 60 is constant, at cover on whole axis L direction
It is formed with external screw thread 66 on the whole axis L direction of the outer peripheral face 62 of 60.Therefore, it is possible to it is whole to cover 60
Body is screwed on housing 20, when cover 60 is screwed on housing 20, and the overall position of cover 60
In housing 20.
It is formed with recess 64 at circumferential multiple positions of the end face 63 of the side L1 of cover 60.In this enforcement
In mode, cover 60 side L1 end face 63 inner peripheral circumference three at be formed with recess 64,
When screwing in cover 60, this recess 64 engages with instrument (not shown), makes cover 60 rotate.
The housing 20 and the cover 60 that constitute like this are synthetic resins.Therefore, when molded housing 20,
Concurrently form internal thread 26 etc., when shaping cover 60, concurrently form external screw thread 66 and recess 64.
In the present embodiment, between cover 60 and housing 20, implement spline to process.
The riveting such as using bonding process, make use of hot riveting, ultrasonic wave riveting etc. is processed as this spline
Process.Therefore, when rotary shaft 40 rotates, it is possible to prevent cover 60 from rotating and cause and the consolidating of housing 20
Surely fluff.
(structure of die device 1)
Fig. 2 (a), Fig. 2 (b) are the explanatory diagrams of the major part of the die device 1 applying the present invention,
Fig. 2 (a) is the stereogram of die device 1, and Fig. 2 (b) is the sectional view of die device 1.Fig. 3 is
The die device 1 applying the present invention is decomposed into the first mould 100 He of the outer circumferential side of molded housing 20
The exploded perspective view of the mould of shaping inner circumferential side etc..Fig. 4 (a), Fig. 4 (b) apply the present invention
The exploded perspective view of the mould of the inner circumferential side etc. of the molded housing 20 in die device 1, Fig. 4 (a) is to make
The exploded perspective view that 3rd mould 300 grade separates from the second mould 200, Fig. 4 (b) is to make the 3rd mould
300 exploded perspective views separated with the 4th mould 400 etc..Fig. 5 (a), Fig. 5 (b) are to apply this
The sectional view of the part enlarged representation of the inner circumferential side etc. of the molded housing 20 of the die device 1 of invention, Fig. 5
A () is sectional view during shaping, sectional view when Fig. 5 (b) is the demoulding.It addition, in Fig. 2 to Fig. 5
The axis L recorded is corresponding with the axis L of housing 20.Further, in Fig. 4 (a), at the second mould 200
And the 3rd mould 300 both sides illustrate housing 20.
Die device 1 shown in Fig. 2 to Fig. 5 is the device for resin forming housing 20.In this enforcement
In mode, die device 1 has: for the first mould 100 of the outer circumferential side of molded housing 20；There is use
The axle portion of the side contrary with open end 29 relative to internal thread 26 in the inner circumferential side of molded housing 20
Second mould 200 of 210；And have and be formed with the helicla flute 310 for being molded internal thread 26 at outer peripheral face
The 3rd mould 300 in cylinder portion 320.
In the present embodiment, the first mould 100 has: in the outer circumferential side of molded housing 20 from opening
First mold component 110 of the part that end 29 leaves to the opposite side L2 in axis L direction；And be configured at
Second mold component 120 of the recess 115 of the first mold component 110, the second mold component 120 forming shell
Diapire 21 side of body 20.Overlapping relative to the second mold component 120 opposite side L2 in axis L direction
It is configured with runner plate 130, is formed with runner 116 at the second mold component 120.First so constituted
In mould 100, in the position of the outer circumference end near the first mold component 110 and the second mold component 120
It is formed with axis hole 111,121, is embedded with the first alignment pin 150 at axis hole 111,121.
Second mould 200 has the axle portion 210 extended along axis L direction, the axis L direction in axle portion 210
Side L1 supported by the support holes 840 of the first substrate parts 800.Here, at the axis L in axle portion 210
The end of the side L1 in direction is formed and is radially oriented flange part 211 protruding outside, at the first substrate parts
800 when the side L1 in axis L direction moves, and the second mould 200 side L1 to axis L direction moves
Dynamic.
The terminal part 225 (end of the opposite side L2 in axis L direction) in axle portion 210 is molded housing 20
Inner circumferential side in the part of the side contrary with open end 29 relative to internal thread 26, in axle portion 210
Terminal part 225 is formed with the convex of the separation of the part of diapire 21 of molded housing 20, molded housing 20
The recess 215 (with reference to Fig. 5 (b)) in portion 23.
In the present embodiment, around axle portion 210, it is configured with the sleeve 900 of cylindrical shape.
The flange that oriented radial outside is prominent is formed in the end of the side L1 in the axis L direction of sleeve 900
Portion 910, when the first substrate parts 800 moves to the side L1 and opposite side L2 in axis L direction,
Sleeve 900 moves to the side L1 and opposite side L2 in axis L direction.
The side L1 in axis L direction of the 3rd mould 300 be formed with helicla flute 310 at outer peripheral face
The adjacent part in cylinder portion 320 is the body 330 that profile is bigger than the profile in cylinder portion 320.
Body 330 is formed for the through hole 340 that the axle portion 210 of the second mould 200 is through, and this is through
Hole 340 connects with the inside in cylinder portion 320.The axle portion 210 of the second mould 200 it is through with at this through hole 340,
The terminal part 225 of the second mould 200 is prominent from the through hole 340 opposite side to axis L direction.
In the position configuration that the opposite side L2 in axis L direction and the body 330 of the 3rd mould 300 are adjacent
There is the 4th discoideus mould 400, be formed with through hole 440, described through hole 440 at the 4th mould 400
Cylinder portion 320 for the 3rd mould 300 is embedded within side.Through hole 440 is the opposite side L2 in axis L direction
The big hole with the level of the internal diameter internal diameter than side L1, another of the axis L direction in through hole 440
The part of side L2 is formed as taper surface 410.This taper surface 410 within the casing 20 in radial outside and shape
Become to have the part formation taper surface 28 that the region of internal thread 26 is overlapping.
In the present embodiment, around the 3rd mould 300 and the 4th mould 400, it is configured with cylindrical shape
Retainer 500.It is formed with the through hole 540 through along axis L direction at retainer 500.In this reality
Executing in mode, through hole 540 is formed as hole with the level, and described hole with the level has: for the 3rd mould
The path part 541 that the body 330 of 300 embeds；And the large diameter portion for the 4th mould 400 embedding
542.Further, it is configured with support plate 600 relative to retainer 500 at the side L1 in axis L direction,
This support plate 600 is formed for axle portion 210 and the through hole of sleeve 900 embedding of the second mould 200
640.In the present embodiment, formed in the position by retainer 500 and the outer circumference end of support plate 600
There is the axis hole 520,620 through along axis L direction, be embedded with the second alignment pin at this axis hole 520,620
700.Further, from the first substrate parts 800, the opposite side L2 towards axis L direction protrudes push rod 850,
By constituting three plates 801,802,803 of the first substrate parts 800 are positioned at the two of opposite side L2
Plate 801,802 moves to opposite side L2, by the 3rd mould 300 and the 4th mould 400 from the second mould
Tool 200 discharge.
Second alignment pin 700 carries out retainer 500 and second substrate parts in the outside being positioned at retainer 500
The location of (not shown), this second substrate parts positions relative to the first substrate parts 800.As a result of which it is,
Define the position of the 4th mould 400.
First alignment pin 150 carries out the 3rd substrate parts in the outside of the first mould 100 and the first mould 100
The location of (not shown), obtains higher positional precision along axis L direction when the first mould 100 moves.
(manufacture method of housing 20)
When the die device 1 resin forming housing 20 that use illustrates with reference to Fig. 2 to Fig. 5, such as Fig. 2 institute
Show, first mould the 100, second mould the 200, the 3rd mould 300 and the 4th mould 400 are being positioned
And under the state forming die cavity, from runner plate 130 to mould filling resin.
Then, when housing 20 is separated with die device 1, first, as shown in Fig. 5 (a), carry out
Separate the first mold releasability operation of the first mould 100 and housing 20.
It follows that in the second mold releasability operation, as shown in Fig. 5 (b), make the first substrate parts 800,
Sleeve 900 and the second mould 200 move to the side L1 in axis L direction, at the 3rd mould 300
Make the axle portion 210 of the second mould 200 side L1 to axis L direction (by the second mould in through hole 340
The direction that the axle portion 210 of 200 extracts from the inner side of housing 20) mobile.
It follows that in the 3rd mold releasability operation, make the 3rd mould 300 relatively revolve relative to housing 20
Turn and the 3rd mould 300 is extracted from housing 20.Now, only make the 3rd mould 300 relative to housing 20
Rotate against, dismantle the 3rd mould 300 and the 4th mould 400 from housing 20.
When carrying out the 3rd mold releasability operation, as shown in Fig. 5 (b), at the axle of the second mould 200
Under the state of the inner side that portion 210 is positioned at housing 20, the 3rd mould 300 is made to rotate against relative to housing 20,
The 3rd mould 300 and the 4th mould 400 from housing 20 is dismantled.Then, housing 20 is reclaimed.
(main efficacy results of present embodiment)
As described above, the die device 1 for the resin forming of the housing 20 of present embodiment has:
The first mould 100 for the outer circumferential side of molded housing 20；Have in the inner circumferential side of molded housing 20
Second mould 200 in axle portion 210 of the side contrary with open end 29 relative to internal thread 26；And
There is the 3rd mould in cylinder portion 320 being formed with helicla flute 310 for being molded internal thread 26 at outer peripheral face
300.Further, it is formed for, at the 3rd mould 300, the through hole that the axle portion 210 of the second mould 200 is through
340.Therefore, after resin forming operation, it is possible to by the second mould 200 in the second mold releasability operation
Extract along axis L direction from housing 20 inside.Further, it is possible to the 3rd mould 300 is taken off at the 3rd mould
Die process rotates around axis L and dismantles from the inside of housing 20.Therefore, it is possible to it is high by resin forming
Effect ground manufactures the housing 20 having bottom tube-like being formed with protuberance 23 and internal thread 26 at internal perisporium 27.
Further, when carrying out the 3rd mold releasability operation, it is positioned at housing in the axle portion 210 of the second mould 200
The 3rd mould 300 is made to rotate under the state of the inner side of the cylindrical portion 22 of 20.Therefore, even if at the 3rd mould
In the case of the wall thickness in the cylinder portion 320 being formed with helicla flute 310 of 300 is relatively thin, make the 3rd mould 300
During rotation, cylinder portion 320 is not easy to deformation.
Further, die device 1 has the 4th mould 400, and described 4th mould 400 is by outside housing 20
The part the most overlapping with internal thread 26 in all sides is shaped to diminish towards diameter in side, open end 29
Direction tilt taper surface 28.Therefore, the taper surface 28 being arranged at the open side of housing 20 is used as
Separate the 4th mould 400 and demoulding conical surface during housing 20.Therefore, housing 20 is formed with internal thread
The part of 26 is unlikely to deform.
(other embodiments)
In the above-described embodiment, there is end cylinder exemplified with the fluid cushion device 10 being connected with toilet seat
The housing 20 of shape, but manufacturing and washing of (buffered device) in washing machine can be rotatably mounted to
The fluid cushion device that the lid (opening and closing member) of clothing owner's body (equipment body) etc. connect have bottom tube-like
Housing 20, the present invention can also be applied when the housing 20 having bottom tube-like of other devices.
Claims (6)
1. a manufacture method for housing, the manufacture method of described housing is by employing die device
It is prominent that resin forming manufacture has the housing of bottom tube-like, described housing to have inside internal perisporium is radially oriented
Protuberance and be formed at the internal thread by the position of open side of the protuberance described in the ratio of described internal perisporium,
It is characterized in that,
It is provided with at described die device
First mould, it is for being molded the outer circumferential side of described housing；
Second mould, its have in the inner circumferential side for being molded described housing relative to described internal thread
The axle portion of the side contrary with described open end；And
3rd mould, it has a portion, and the outer peripheral face of cartridge is formed for being molded described interior spiral shell
The helicla flute of line, and described 3rd mould is formed for the through hole that described axle portion is through.
The manufacture method of housing the most according to claim 1, it is characterised in that
After using housing described in described die device resin forming, separate described housing and described mould
During device, carry out:
Second mold releasability operation, it makes described second mould extract described second towards from described housing
The direction of mould is moved；And
3rd mold releasability operation, it, after described second mold releasability operation, makes described 3rd mould
Tool rotates and extracts described 3rd mould from described housing.
The manufacture method of housing the most according to claim 2, it is characterised in that
When carrying out described 3rd mold releasability operation, it is positioned at the inner side of described housing in described axle portion
Described 3rd mould is made to rotate under state.
The manufacture method of housing the most according to any one of claim 1 to 3, it is characterised in that
Described die device is provided with the 4th mould, and described 4th mould is by the outer circumferential side of described housing
In the part the most overlapping with described internal thread be shaped to taper surface, described taper surface is towards directly
The direction that footpath diminishes in described open side tilts.
5. a die device, described die device resin forming has the housing of bottom tube-like, described housing
Have from internal perisporium be radially oriented the prominent protuberance in inner side and be formed at described internal perisporium ratio described in convex
Portion is by the internal thread of the position of open side, it is characterised in that
Described die device has:
First mould, it is for being molded the outer circumferential side of described housing；
Second mould, its have in the inner circumferential side for being molded described housing relative to described internal thread
The axle portion of the side contrary with described open end；And
3rd mould, it has a portion, and the outer peripheral face of cartridge is formed for being molded described interior spiral shell
The helicla flute of line, and described 3rd mould is formed for the through hole that described axle portion is through.
Metal die the most according to claim 5, it is characterised in that
Described die device has the 4th mould, and described 4th mould is by the outer circumferential side of described housing
The part the most overlapping with described internal thread is shaped to taper surface, and described taper surface exists towards diameter
The direction that described open side diminishes tilts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015026955A JP2016147472A (en) | 2015-02-13 | 2015-02-13 | Method of manufacturing case, and metal mold device |
| JP2015-026955 | 2015-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105881782A true CN105881782A (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610082584.0A Pending CN105881782A (en) | 2015-02-13 | 2016-02-05 | Housing manufacturing method and mold device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016147472A (en) |
| CN (1) | CN105881782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932833A (en) * | 2017-11-24 | 2018-04-20 | 四川航天烽火伺服控制技术有限公司 | A kind of threaded mold equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1505580A (en) * | 2001-12-18 | 2004-06-16 | ��ʽ���缪Ұ��ҵ�� | Synthetic resin-made vessel body, and die device for pre- form |
| JP2004299783A (en) * | 2003-03-31 | 2004-10-28 | Yoshino Kogyosho Co Ltd | Screw attachable hinge lid body, its molding method, and molding device |
| US20130224328A1 (en) * | 2012-02-23 | 2013-08-29 | Xian-Yan Fang | Demolding mechanism for molded article having internal thread |
-
2015
- 2015-02-13 JP JP2015026955A patent/JP2016147472A/en active Pending
-
2016
- 2016-02-05 CN CN201610082584.0A patent/CN105881782A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1505580A (en) * | 2001-12-18 | 2004-06-16 | ��ʽ���缪Ұ��ҵ�� | Synthetic resin-made vessel body, and die device for pre- form |
| JP2004299783A (en) * | 2003-03-31 | 2004-10-28 | Yoshino Kogyosho Co Ltd | Screw attachable hinge lid body, its molding method, and molding device |
| US20130224328A1 (en) * | 2012-02-23 | 2013-08-29 | Xian-Yan Fang | Demolding mechanism for molded article having internal thread |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932833A (en) * | 2017-11-24 | 2018-04-20 | 四川航天烽火伺服控制技术有限公司 | A kind of threaded mold equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016147472A (en) | 2016-08-18 |
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Application publication date: 20160824 |