CN110091472A - Die device and resin component - Google Patents
Die device and resin component Download PDFInfo
- Publication number
- CN110091472A CN110091472A CN201910090901.7A CN201910090901A CN110091472A CN 110091472 A CN110091472 A CN 110091472A CN 201910090901 A CN201910090901 A CN 201910090901A CN 110091472 A CN110091472 A CN 110091472A
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- CN
- China
- Prior art keywords
- protrusion
- resin component
- recess portion
- optical axis
- mold
- Prior art date
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides die device and resin component, reduces the undesirable generation of molding of resin component.Die device is by the molding device of resin component.Resin component is elongate body, comprising: the 1st end, the 2nd end, the 1st recess portion extended close to the 2nd end and around the axis of resin component and in the 2nd end in the second recesses nearby located for axially extending to the 1st recess portion.Die device has the mold for forming molding space.Mold includes the cast gate of molten resin injection, is connected to the 1st region corresponding with the 1st end of molding space；1st protrusion is configured close to the 2nd region corresponding with the 2nd end of molding space；2nd protrusion is configured at the 2nd region；And the 3rd protrusion, extend from the front end of the 2nd protrusion towards the 1st area side.The front end of 3rd protrusion is located at the 1st area side compared with the 1st protrusion.
Description
Technical field
The present invention relates to die device and resin component, it is particularly directed to the resin used in lamps apparatus for vehicle
The die device that component is manufactured and the resin component manufactured by the die device.
Background technique
In the past, various parts had been used in the lamps and lanterns such as the headlight of automobile.In addition, each component is and its shape, material
It is manufactured accordingly by various methods.For example, having in the lamps and lanterns of automobile for the base for becoming light direction of illumination
The calibrating installation that quasi- optical axis direction is adjusted.It is provided in calibrating installation and is referred to as optical axis for what is be adjusted to optical axis
The adjustment component of screw.Optical axis adjustment is also referred to as calibration screw with screw.
Optical axis adjustment is formed entirety by metal sometimes for mechanical intensity is ensured with screw, but from light-weighted
Viewpoint is set out, and the component using resin material is also developed.On the other hand, compared with metal material, the intensity difference of resin material,
Therefore sometimes for intensity is ensured that component is whole with enlarged to a certain degree.In this case, made due to enlargement
Light-weighted effect is weakened.Therefore, a part developed in optical axis adjustment screw forms the technology in cavity (referring to patent
Document 1).In the art, there is the optical axis adjustment screw in cavity by manufacturing, to take into account the desired of component itself
Intensity and lightweight.
Patent document 1: Japanese Unexamined Patent Publication 2013-82430 bulletin
In recent years, it is continued to develop in the multifunction of the lamps and lanterns of the carryings such as automobile.For example, one as advanced lamps and lanterns function
A example proposes the state around based on vehicle and the ADB that dynamically and adaptively controls the light distribution patterns of distance light
(Adaptive Driving Beam) technology.ADB technology is to the presence or absence of the preceding vehicle in the front of vehicle, reverse vehicle, pedestrian
Detected, by region corresponding with vehicle or pedestrian it is dimmed perhaps turn off the light etc. to reduce bring the dizzy of vehicle or pedestrian
Mesh.
With multifunction as described above, enlarged, the re-quantization continuous development of lamps apparatus for vehicle.In order to realize vehicle
It is enlarged, re-quantization with lamps and lanterns, it is desirable that the optical axis adjustment strip of screw.On the other hand, if screw is used in optical axis adjustment
It is long, then it is difficult to spread molten resin in the cavity of mold, a possibility that molding is bad occurs and gets higher.
Summary of the invention
The present invention is exactly in view of the above situation to propose, it is intended that the molding for providing reduction resin component is bad
Generation technology.
In order to solve the above problems, some mode of the invention is die device.The die device is for by resin portion
The molding die device of part.Resin component is elongate body long in one direction, comprising: the 1st end；With the 1st end opposite side
The 2nd end；1st recess portion is configured close to the 2nd end, around resin component axis and extend；And second recesses,
At the nearby place for axially extending to the 1st recess portion of resin component in 2 ends.Die device is corresponding with resin component with being formed
Molding space mold.Mold includes cast gate, is connected to the 1st region of molding space corresponding with the 1st end, to
Molding space injects molten resin；1st protrusion, the 2nd region of close molding space corresponding with the 2nd end and configure,
It is corresponding with the 1st recess portion；2nd protrusion is configured at the 2nd region, corresponding with second recesses；And the 3rd protrusion, it is convex from the 2nd
The front end in portion, which is risen towards the 1st area side, to be extended, and the front end of the 3rd protrusion is located at the 1st area side compared with the 1st protrusion.
According to which, the undesirable generation of molding of resin component can be reduced.
In the above method, it is also possible to mold and includes the 1st mold, with the 1st end and the 1st end and the 2nd end
Between middle part it is corresponding；And the 2nd mold, corresponding with the 2nd end, the 1st mold has cast gate and the 1st protrusion, and the 2nd
Mold has the 2nd protrusion and the 3rd protrusion.In addition, being also possible to resin component has hollow portion in above-mentioned arbitrary mode,
At least part of middle part of the hollow portion from the 1st end between the 1st end and the 2nd end and extend, mold tool
There is gas inlet, which connect with the 1st region and be used to inject gas to molding space.In addition, at above-mentioned
In the mode of meaning, resin component can be the optical axis adjustment spiral shell being adjusted for the light exit direction to lamps apparatus for vehicle
Nail.
Other way of the invention is resin component.The resin component is elongate body long in one direction, includes
1 end；With the 2nd end of the 1st end opposite side；1st recess portion is configured close to the 2nd end, around resin component axis and prolong
It stretches；Second recesses, at the nearby place for axially extending to the 1st recess portion of resin component in the 2nd end；And the 3rd recess portion,
Extend from the front end of second recesses towards the 1st end side, and the front end of the 3rd recess portion is located at the 1st end compared with the 1st recess portion
Side.
In the above method, can also also have seal member, which is embedded in the 1st recess portion.In addition, above-mentioned
In arbitrary mode, resin component can be the optical axis adjustment spiral shell being adjusted for the light exit direction to lamps apparatus for vehicle
Nail.
The effect of invention
In accordance with the invention it is possible to the undesirable generation of the molding for reducing resin component.
Detailed description of the invention
Fig. 1 is the vertical of the general structure for indicating to have the vehicle headlamp apparatus of resin component involved in embodiment
Cross-sectional view.
(A) of Fig. 2 is the side view for indicating the general structure of resin component involved in embodiment.(B) of Fig. 2 is table
The figure of the general structure of resin component when showing from lamps and lanterns rear side.
Fig. 3 is the longitudinal section view for indicating the general structure of resin component.
Fig. 4 is the cross-sectional view for indicating the general structure of die device involved in embodiment.
Fig. 5 is the oblique view for indicating the general structure of a part of die device.
(A) of Fig. 6 and (B) of Fig. 6 are the figures for showing schematically the manufacturing process of resin component.
(A) of Fig. 7 and (B) of Fig. 7 are the figures for showing schematically the manufacturing process of resin component.
(A) of Fig. 8 is the figure for showing schematically the flowing of the molten resin in die device involved in reference example.Fig. 8
(B) be the figure for showing schematically the flowing of the molten resin in die device involved in embodiment.
(A) of Fig. 9 is the top view for indicating the general structure of the 3rd protrusion involved in variation 1.(B) of Fig. 9 is to indicate
The side view of the general structure of 3rd protrusion involved in variation 1.
(A) of Figure 10 is the top view for indicating the general structure of the 3rd protrusion involved in variation 2.(B) of Figure 10 is table
Show the side view of the general structure of the 3rd protrusion involved in variation 2.
The explanation of label
100 optical axises adjustment screw, 102 the 1st ends, 104 the 2nd ends, 106 middle parts, 116 the 1st recess portions, 122 the 2nd is recessed
Portion, 124 the 3rd recess portions, 126 hollow portions, 130 molten resins, 200 die devices, 202 molds, 204 molding spaces, the 1st area 204a
Domain, the 2nd region 204b, 206 the 1st molds, 208 the 2nd molds, 220 cast gates, 222 gas inlets, 230 the 1st protrusions, 248 the 2nd
Protrusion, 250 the 3rd protrusions.
Specific embodiment
In the following, be based on preferred embodiment, on one side referring to attached drawing, while the present invention will be described.Embodiment is not
Invention is defined but is illustrated, whole features described in embodiments and combinations thereof are not necessarily limited to be invention
Essential content.Same label is marked to each shown in the drawings identical or equivalent structural element, component, processing, it is appropriate to omit
Repeat description.In addition, the scale bar in each portion, shape shown in each figure, easily set to be easy to illustrate, as long as no
It especially mentions, does not explain restrictively.Even scale bar etc. also can be slightly between each attached drawing sometimes in addition, the same part
It has differences.In addition, in the case where using the terms such as " the 1st ", " the 2nd " in this specification or technical solution, as long as no
It especially mentions, is not to indicate the term of arbitrary sequence, different degree, but be used to distinguish certain structure and other structures
Term.
(vehicle headlamp apparatus)
Firstly, being illustrated to the vehicle headlamp apparatus for using resin component involved in present embodiment.Fig. 1 is
Indicate the longitudinal section view with the general structure of the vehicle headlamp apparatus of resin component involved in embodiment.Vehicle is used
Front lamp device 1 has a pair of of headlamp in the left and right configuration of vehicle front.A pair of of headlamp has left and right pair
The construction of title, in addition to this substantially the same structure, therefore the construction of one headlamp is shown in Fig. 1.
Vehicle headlamp apparatus 1 includes lamp body 2, has opening portion in vehicle front side；And translucent cover 4, it will
The opening portion of lamp body 2 covers.In the lamp house 6 formed by lamp body 2 and translucent cover 4, to the lamp unit 8 as lamps apparatus for vehicle
It is accommodated.Lamp unit 8 has light source equipped section 10, light source 12, reflecting mirror 14, projecting lens 16 and bracket part 18.
Light source equipped section 10 is constituted such as the thermally conductive materials by aluminium.Light source equipped section 10 has direction and lamp unit 8
Optical axis O intersection direction light source carry platform 20.Platform 20, which is carried, in light source carries light source 12.Light source 12 is, for example, that LED (shines
Diode), LD (laser diode), the semiconductor light-emitting elements such as organic or inorganic EL (electroluminescent).Light source equipped section 10 exists
The back side that light source carries platform 20 has multiple radiating fins 22.The heat issued from light source 12, is radiated via radiating fin 22.
In addition, light source equipped section 10 have from light source carry platform 20 lamps and lanterns front side end to the shading cover portion 24 extended obliquely downward.
Reflecting mirror 14 is fixed on light source equipped section 10 in a manner of by the covering of the top of light source 12.Reflecting mirror 14 has by revolving
Turn the reflecting surface 26 that a part of ellipsoid is constituted.Reflecting surface 26 has the 1st focus and is located in front of lamps and lanterns compared with the 1st focus
2nd focus of side.Reflecting mirror 14 is with the substantially uniform mode determination of the 1st focus of the light-emitting surface of light source 12 and reflecting surface 26 and light
The positional relationship in source 12.In addition, reflecting mirror 14, which carries crest line formed by platform 20 and shading cover portion 24 with light source, is located at reflecting surface 26
The 2nd focus near mode, the determining positional relationship with light source equipped section 10.
The end of projecting lens 16 and the lamps and lanterns front side of light source equipped section 10 links.Projecting lens 16 is aspherical by plano-convex
Lens are constituted, the imaginary vertical screen being projected in front of lamps and lanterns using the light source picture formed in the focus face of rear as solarization image
On.Projecting lens 16 is configured on the optical axis O of lamp unit 8 and rear focus and the 2nd focus of reflecting surface 26 are substantially uniform
Position.
The light projected from light source 12, is reflected by reflecting surface 26, carries rib formed by platform 20 and shading cover portion 24 by light source
It is injected near line to projecting lens 16.The light of the light source 12 of projecting lens 16 is incident upon as substantially parallel light and to lamp
The irradiation of tool front.In addition, a part of light source light is selectively cut using crest line as boundary line.Have as a result, and rib
The light distribution patterns of the corresponding "cut-off"line of the shape of line are projected onto vehicle front.
Bracket part 18 includes part 1 28, extends to the top of light source equipped section 10；And part 2 30, prolong
Extend to the lower section of light source equipped section 10.Part 1 28 has screw hole 32 in specified position.In addition, lamp body 2 is in lamps and lanterns front-rear direction
The upper position Chong Die with screw hole 32 has screw support portion 34.Screw support portion 34 is the tubular extended in lamps and lanterns front-rear direction,
The inside and outside of lamp body 2 is connected to by screw support portion 34.
Optical axis adjustment is inserted through screw support portion 34 from the outside of lamp body 2 with screw 100.Optical axis adjustment screw 100
Rotatably supported by screw support portion 34.In addition, optical axis adjustment screw 100 and the screw hole 32 of bracket part 18 screw togather.
About the optical axis adjustment construction of screw 100, it is illustrated in detail below.
Part 2 30 has pivotal parts 36 in specified position.Pivotal parts 36 are convex from part 2 30 to lamps and lanterns rear side
Out, there is the bulb 38 of ball-and-socket joint in the front end of pivotal parts 36.In addition, lamp body 2 is in lamps and lanterns front-rear direction and hinge portion
The position that part 36 is overlapped has connector supporting part 40.Connector supporting part 40 is protruded from lamp body 2 to lamps and lanterns front side, is supported in connector
The front end in portion 40 has ball receiving portion 42.Ball receiving portion 42 has the spherical spaces of the shape along bulb 38.Bulb 38 is with can
The state of rotation and ball receiving portion 42 link, and thus pivotal parts 36 and connector supporting part 40 link.
The optical axis adjustment machine of lamp unit 8 is made of bracket part 18, optical axis adjustment screw 100 and connector supporting part 40
Structure.Lamp unit 8 is by rotating optical axis adjustment screw 100, so as to be branch click-through with the bulb 38 of pivotal parts 36
Row fascinates.Thereby, it is possible to be adjusted the optical axis O of lamp unit 8 in vertical direction.Although in addition, illustration omitted, lamps and lanterns
Unit 8 links with the 2 optical axis adjustment screws 100 arranged in the horizontal direction.Thus, it is also possible to by the optical axis O of lamp unit 8
It is adjusted in the horizontal direction.
Only an example, lamp unit 8 can have conventionally known the construction of lamp unit 8 described above
Other constructions.In addition, the construction of pivotal parts 36 and connector supporting part 40 is not also limited especially.
(optical axis adjustment screw)
Next, being illustrated to optical axis adjustment with the construction of screw 100.Optical axis adjustment screw 100 is for work
Light exit direction, the component that in other words optical axis O is adjusted for the lamp unit 8 of lamps apparatus for vehicle are present embodiment institutes
One example of the resin component being related to.(A) of Fig. 2 is the side for indicating the general structure of resin component involved in embodiment
View.The figure of the general structure of resin component when (B) of Fig. 2 is from lamps and lanterns rear side.Fig. 3 indicates resin component
The longitudinal section view of general structure.In addition, additionally illustrating a part of lamp body 2 in (B) and Fig. 3 of Fig. 2.In addition, Fig. 3 is suitable
The cross-sectional view of line A-A in (B) along Fig. 2.
Optical axis adjustment as resin component with screw 100 is carried out by using die device involved in embodiment
Resin injection molding and formed.Further, since gear part consists of metal, so strictly speaking screw is used in optical axis adjustment
100 are formed and being insert molded.Optical axis adjustment screw 100 is (specifically lamps and lanterns front and back in one direction
To) long elongate body, with the 1st end 102, with the 2nd end 104, the 1st end 102 and the 2nd end of 102 opposite side of the 1st end
Middle part 106 between portion 104.In the following, by the extending direction of optical axis adjustment screw 100, in other words the 1st end 102 and the 2nd
The direction that end 104 arranges is set as the axial X of optical axis adjustment screw 100.
In middle part 106, screw thread forming portion 108, linking part 110, support axle portion are set gradually from 102 side of the 1st end
112.Screw channel is formed on the surface of screw thread forming portion 108.Screw thread forming portion 108 and the screw hole 32 of bracket part 18 screw togather.Linking part
110 be the part for linking screw thread forming portion 108 and support axle portion 112.From the outer of close 1st end 102 in linking part 110
Circumferential surface is protruding with a pair of of elastic engaging portion 114.
The 1st recess portion 116 for supporting axle portion 112 that there is the axis (circumferential direction) around optical axis adjustment screw 100 to extend.1st recess portion
116 configurations are in position close to 2nd end 104 of the optical axis adjustment in screw 100, i.e., close to the 2nd compared with the 1st end 102
The position of end 104.In the present embodiment, the 1st recess portion 116 is configured near the 2nd end 104.To the 1st recess portion 116
It is embedded in the seal members 118 such as o-ring.Support axle portion 112 is contained in the screw support portion 34 of lamp body 2.In this state, sealing
Part 118 and the inner wall in screw support portion 34 touch.Prevent moisture from invading from screw support portion 34 to lamp house 6 as a result,.
A pair of of elastic engaging portion 114 extends to the nearby place for supporting axle portion 112 towards the 2nd end 104.A pair of of elastic card
Conjunction portion 114 is configured to therebetween clip linking part 110, and in the 1st direction Z and linking part 110 for being orthogonal to axial X
Extend separated by a distance.Therefore, a pair of of elastic engaging portion 114 can be to the direction approach/separated with the outer peripheral surface of linking part 110
Flexible deformation.
When optical axis adjustment screw 100 is inserted through to screw support portion 34, a pair of of elastic engaging portion 114 is by screw branch
The inner wall of support part 34 presses, to the direction flexible deformation close with linking part 110.If optical axis adjustment screw 100 enters to
The position for abutting seal member 118 with the inner wall in screw support portion 34, then the entirety in a pair of of elastic engaging portion 114 passes through screw
Support portion 34.At this point, 114 elasticity of a pair of of elastic engaging portion is restored and is displaced to from the isolated direction of linking part 110.In the state
Under, the end abutment of the lamps and lanterns front side of the end and screw support portion 34 of the lamps and lanterns rear side in each elastic engaging portion 114.By
This, prevents optical axis adjustment screw 100 from extracting from lamp body 2.
In the 2nd end 104, gear part 120, second recesses 122 and the 3rd recess portion 124 are set.Gear part 120 is in the 2nd end
104 stretch out around axis.At least part of gear part 120 consists of metal.Second recesses 122 are from optical axis adjustment screw 100
The end face of 2nd end, 104 side extends towards 102 side of the 1st end.Second recesses 122 are adjusted in optical axis in the 2nd end 104 and are used
The axial X of screw 100 extends to the nearby place of the 1st recess portion 116.
3rd recess portion 124 is from the front end of second recesses 122, in other words the bottom surface of second recesses 122 is prolonged towards 102 side of the 1st end
It stretches.The front end of 3rd recess portion 124 is located at 102 side of the 1st end compared with the 1st recess portion 116.Therefore, the 1st recess portion 116 is X axial
In in the expanded range of the 3rd recess portion 124.In addition, the 3rd recess portion 124 and the 1st recess portion 116 extend separated by a distance.That is, the 3rd recess portion
124 are extending compared with the bottom surface of the 1st recess portion 116 closer to the position of the optical axis adjustment axis center of screw 100.This embodiment party
The optical axis adjustment of formula has 4 the 3rd recess portions 124 with screw 100.Each 3rd recess portion 124 is spaced and arranges around axis as defined in being spaced from each other
Column.
When from lamps and lanterns rear side, the outer wall of second recesses 122 has the shape to match with tools such as screwdrivers.
The outer wall of hexagon shape is illustrated as an example at (B) of Fig. 2.It is revolved and keeping tool chimeric with the 2nd end 104
Turn, so that optical axis adjustment is rotated with screw 100.As a result, to direction corresponding with the direction of rotation of optical axis adjustment screw 100
The part 1 28 in transport carrier portion 18, makes lamp unit 8 fascinate relative to lamp body 2.
Prolong from the 1st end 102 throughout at least part of middle part 106 in addition, optical axis adjustment screw 100 has
The hollow portion 126 stretched.The hollow portion 126 of present embodiment is prolonged from the 1st end 102 in the substantially whole of screw thread forming portion 108
It stretches.Hollow portion 126 opens at the 1st end 102 to outside.
(die device)
Next, to for being illustrated optical axis adjustment with the molding die device of screw 100.Fig. 4 is to indicate to implement
The cross-sectional view of the general structure of die device involved in mode.Fig. 5 is the general structure for indicating a part of die device
Oblique view.In addition, for the detail section of mold and optical axis adjustment screw, the illustration is omitted in Fig. 5.Die device 200
With mold 202.Mold 202 is formed corresponding with the optical axis adjustment screw 100 as resin component by multiple molds
Molding space (cavity) 204.
Mold 202 includes the 1st mold 206,106 phase of the 1st end 102 and middle part with optical axis adjustment screw 100
It is corresponding；And the 2nd mold 208, it is corresponding with the 2nd end 104.By the 1st mold 206, formed opposite with the 1st end 102
1st region 204a of the molding space 204 answered and 3rd region 204c~5th region 204e corresponding with middle part 106.3rd
Region 204c is space corresponding with screw thread forming portion 108, and the 4th region 204d is space corresponding with linking part 110, the
5 region 204e are spaces corresponding with support axle portion 112.By the 2nd mold 208, formed corresponding with the 2nd end 104
2nd region 204b.
1st mold 206 includes part 1 210, part 2 212, third portion 214, the 4th part 216, the 5th part 218.
Each section can be separated from each other.Part 1 210 is corresponding with the front end of 102 side of the 1st end of screw 100 with optical axis adjustment.The
1 part 210 has cast gate 220 and gas inlet 222.Cast gate 220 and gas inlet 222 are connect with the 1st region 204a.Through
Molten resin is injected from cast gate 220 to molding space 204.Gas is injected to molding space 204 via gas inlet 222.
Part 2 212 and third portion 214 respectively have recess portion corresponding with the 1st region 204a and the 3rd region 204c
224, recess portion 226 corresponding with the 4th region 204d and recess portion 228 corresponding with the 5th region 204e.With the 5th region
The 1st protrusion 230 is arranged close to the 2nd region 204b in the corresponding recess portion 228 of 204e.1st protrusion 230 is to adjust to use with optical axis
The corresponding part of the 1st recess portion 116 of screw 100.In addition, part 2 212 and third portion 214 respectively have a pair flat convex
Portion 232.A pair of flat protrusion 232 is configured to clip recess portion 226 corresponding with the 4th region 204d in the 1st direction Z.It is each flat
Protrusion 232 is the part in the space being used to form between elastic engaging portion 114 and linking part 110.
In addition, part 2 212 and third portion 214 across a flat protrusion 232 and the position with 226 opposite side of recess portion
Setting has the 1st accommodating recess 234.The space for being embedded in the 4th part 216 is formed by the 1st accommodating recess 234.Also, the 2nd
Points 212 and third portion 214 have the 2nd receiving recessed with the position of 226 opposite side of recess portion across another flat protrusion 232
Portion 236.The space for being embedded in the 5th part 218 is formed by the 2nd accommodating recess 236.
Part 2 212 and third portion 214 are configured to opposite with the 2nd orthogonal direction Y of axial X and the 1st direction Z.2nd
Part 212 approach/can be separated in the 2nd direction Y with third portion 214.By combining part 2 212 and third portion 214,
To form the 1st region 204a, the 3rd region 204e of region 204c~the 5th.In addition, forming the 4th part 216 and the 5th part 218
Accommodating space.
4th part 216 and the 5th part 218 are configured to opposite in the 1st direction Z.4th part 216 and the 5th part 218 are respectively
In the end face opposite with flat protrusion 232, there is the holding section recess portion 238 for being used to form elastic engaging portion 114.If by
4 parts 216 and the 5th part 218 are embedded in part 2 212 and third portion 214, then are used by flat protrusion 232 and holding section
Recess portion 238 forms the 6th region 204f of molding space 204 corresponding with elastic engaging portion 114.
2nd mold 208 includes the 6th part 240 and the 7th part 242.Each section can be separated from each other.6th part 240 tool
Have: through hole 244 is connect with the 5th region 204e；And cricoid gear groove portion 246, when from axial X
Extend around through hole 244.Gear part 120 is embedded in gear groove portion 246.
7th part 242 has the 2nd protrusion 248 and the 3rd protrusion 250.2nd protrusion 248 is and optical axis adjustment screw 100
The corresponding part of second recesses 122.2nd protrusion 248 is configured to Chong Die with through hole 244 when from axial X, direction
The 1st region side 204a protrusion.The front end of 2nd protrusion 248 is located at the nearby place of the 1st protrusion 230 in axial X.That is, the 1st protrusion 230
It is located at the 1st region side 204a compared with the 2nd protrusion 248.
3rd protrusion 250 extends from the front end of the 2nd protrusion 248 towards the 1st region side 204a.3rd protrusion 250 passes through the 6th
Divide 240 through hole 244, front end is located at the 1st region side 204a compared with the 1st protrusion 230.Protrusion about the 3rd protrusion 250 is long
Degree, it is contemplated that be possible to damage etc. at the time of molding if too long, those skilled in the art can suitably set.In addition, the 3rd is convex
Portion 250 and the 1st recess portion 116 extend separated by a distance.The die device 200 of present embodiment has 4 the 3rd protrusions 250.Each
3 protrusions 250 be it is rodlike, be spaced from each other as defined in interval and around axis arrange.The pattern draft of 3rd protrusion 250, preferably with respect to axis
It is less than or equal to 5 °, more preferably 1 ° to X.
In addition, the 7th part 242 has the gas discharge outlet 252 for the gas in molding space 204 to be discharged.Gas
Outlet 252 for example the 2nd protrusion 248 front end face approximate centre, connect with the 5th region 204e of molding space 204.Cause
This, gas discharge outlet 252 is open to the space surrounded by multiple 3rd protrusions 250.
6th part 240 and the 7th part 242 are configured to opposite in axial X.6th part 240 and the 7th part 242,
The state that the gear groove portion 246 of 6 parts 240 is placed with the metal parts of composition gear part 120 is combined.Tooth is constituted as a result,
The metal parts of wheel portion 120 is clamped by the 6th part 240 and the 7th part 242.
In addition, quantity, the 1st mold 206 and the 2nd mold of the component that the 1st mold 206 and the 2nd mold 208 are respectively formed
208 corresponding optical axis adjustment are not limited especially with position of screw 100 etc..
(manufacturing method of resin component)
Next, being illustrated to the manufacturing method for the resin component for using above-mentioned die device 200 to carry out.Fig. 6's
(A), (B) of (B) of Fig. 6, (A) of Fig. 7 and Fig. 7 are the figures for showing schematically the manufacturing process of resin component.Such as (A) of Fig. 6
It is shown, above-mentioned multiple molds are molded first.At this point, being embedded between the 6th part 240 and the 7th part 242 by tooth
The metal parts 128 that wheel portion 120 is constituted.In addition, connecting gas coupler 254 in gas inlet 222.In gas discharge outlet
252 connections are vacuumized with mouth 256.Resin injection mouth (not shown) is connected in cast gate 220.
Then, in the state that mold 202 is remained predetermined temperature, with defined injection pressure from 220 direction of cast gate
Molding space 204 projects molten resin 130.Molten resin 130 is constantly gradually filled in molding space 204 as a result,.At
Air in type space 204 is attracted by vacuumizing with mouth 256.As resin, such as exemplify polycarbonate, polypropylene, propylene
Acid, ASA (acrylonitrile-styrene-acrylic ester), ABS (acrylonitrile-butadiene-styrene (ABS)) etc..Resin is as defined in be heated to
It is emitted in the state of melting temperature.
Next, after by the filling to molding space 204 of the molten resin 130 of specified amount, making to melt as shown in (B) of Fig. 6
The injection pressure reduction of melt resin 130.The supply amount of molten resin 130 is reduced as a result,.In addition, from gas coupler 254 by gas
Body 258 is injected towards the inside of molten resin 130.As gas 258, nitrogen, air etc. are used.By the injection of gas 258,
Hollow portion 126 is formed in the inside of molten resin 130.
Then, as shown in (A) of Fig. 7, the injection pressure by improving gas 258 expands hollow portion 126 further.
Along with this, the molten resin 130 in molding space 204 further moves in molding space 204, the 1st protrusion 230 is entered to
And the 3rd between protrusion 250, between the 3rd protrusion 250 and the 3rd protrusion 250 etc..Use mouth 256 to molding space 204 by vacuumizing
Interior air is attracted, and thus molten resin 130 can be smoothly entered to unfilled region.
Moreover, making molten resin 130 diffuse to each corner of molding space 204 as shown in (B) of Fig. 7.It is sandwiched into
Metal parts 128 between 6th part 240 and the 7th part 242, it is integrated with molten resin 130.It has passed through the stipulated time
Afterwards, mold 202 is opened and takes out optical axis adjustment screw 100.Optical axis adjustment screw 100 is obtained as a result,.
(A) of Fig. 8 is the figure for showing schematically the flowing of the molten resin in die device involved in reference example.Fig. 8
(B) be the figure for showing schematically the flowing of the molten resin in die device involved in embodiment.Fig. 8 (A) and
In (B) of Fig. 8, region amplification near the 1st protrusion and the 2nd protrusion is indicated.As shown in (A) of Fig. 8, involved in reference example
Die device 300 does not have the 3rd protrusion 250 in the front end of the 2nd protrusion 248.
The molten resin 130 for entering to 5th region 204e corresponding with support axle portion 112, by the 5th region of direction
When near the 1st protrusion 230 of the center protrusion of 204e, the interference by the 1st protrusion 230.Do not having the 3rd protrusion 250
In the case where die device 300, due to the interference of the 1st protrusion 230, molten resin 130 is generated to opposite direction and is back to cast gate
The flowing (flowing indicated by the arrow in the figure) that the direction of 220 sides is advanced.Tree is melted near the 1st protrusion 230 as a result,
Rouge 130 is detained, and molten resin 130 is difficult to enter to 2nd region 204b corresponding with the 2nd end 104.In this case, exist
It is bad that 2nd end 104 of obtained optical axis adjustment screw is likely to occur the moldings such as scarce material.
On the other hand, in the die device 200 involved in embodiment, front end of the 3rd protrusion 250 from the 2nd protrusion 248
Act the position being protruding to compared with the 1st protrusion 230 closer to 220 side of cast gate.Therefore, even if entering to the molten of the 5th region 204e
Melt resin 130 by the 1st protrusion 230 interference and attempt to be back to 220 side of cast gate direction advance, also can be by the 3rd protrusion
250 limit the movement.The delay for inhibiting the molten resin 130 near the 1st protrusion 230 as a result, so that molten resin 130 is not
It is disconnected to enter to the 2nd region 204b.Therefore, can reduce optical axis adjustment screw the 2nd end 104 occur molding it is undesirable can
It can property.
In addition, being not limited to optical axis adjustment screw 100 using the molding resin component of die device 200.Resin portion
As long as the following elongate bodies of part, that is, the depth-width ratio of the elongate body is high, and the elongate body has close to the 2nd end 104 and matches
The 1st recess portion 116 set and from the 2nd end 104 extend to the 1st recess portion 116 nearby from second recesses 122.In addition, resin
Component is also possible to component used in the device other than vehicle headlamp apparatus 1.
As described above, die device 200 involved in present embodiment is the length for that will grow in one direction
The molding device of body, that is, resin component.Resin component includes the 1st end 102, the 2nd end 104, close to the 2nd end 104 and
Configuration the 1st recess portion 116, in the 2nd end 104 in the 2nd nearby located for axially extending to the 1st recess portion 116 of resin component
Recess portion 122.
Die device 200 has the mold 202 for forming molding space 204.Mold 202 includes cast gate 220, is connected to
1st region 204a of molding space 204 corresponding with the 1st end 102；1st protrusion 230, it is close with 104 phase of the 2nd end
2nd region 204b of corresponding molding space 204 and configure；2nd protrusion 248 is configured at the 2nd region 204b；And the 3rd is convex
Portion 250 extends from the front end of the 2nd protrusion 248 towards the 1st region 204a.1st protrusion 230 is corresponding with the 1st recess portion 116,
2nd protrusion 248 is corresponding with second recesses 122.The front end of 3rd protrusion 250 is located at the 1st region 204a compared with the 1st protrusion 230
Side.
As the optical axis adjustment screw 100 of resin component, from the viewpoint of lightweight, cutting down material, sometimes including
Hollow portion 126 is arranged in portion.As the method in the inside of optical axis adjustment screw 100 setting cavity, enumerate to mold 202 at
Gas coupler 254, the method injected a gas into are inserted into type space 204.In the past, the insertion position of gas coupler 254, from
120 side of gear part of optical axis adjustment screw 100 is set in from the perspective of present aspect, workability.
On the other hand, optical axis adjustment support object, that is, lamp unit 8 of screw 100, with multifunction enlargement,
Re-quantization continuous development.In order to realize the enlargement, re-quantization, it is desirable that the optical axis adjustment strip of screw 100.Its reason exists
In if the optical axis adjustment length of screw 100, can carry out lamp unit 8 in the position of the center of gravity closer to lamp unit 8
Support.In addition, using the strip of screw 100 by optical axis adjustment, it is capable of increasing the amplitude of optical axis adjustment.
But if optical axis adjustment is long with screw 100, hollow portion 126 is also elongated, it is therefore desirable to will be used to that cavity to be arranged
Gas be delivered to a more distant place.In order to extend the submitting distance of gas, need to increase the diameter of gas coupler 254, but if
Increase the diameter of gas coupler 254, then the wall thickness of a part of optical axis adjustment screw 100 is thinning.Injecting a gas into mouth
In the case that 254 are inserted into from 120 side of gear part, the wall thickness of the linking part 110 of optical axis adjustment screw 100 is thinning.
Optical axis adjustment, from linking part 110 continuously support axle portion 112, is supported with screw 100 by lamp body 2.Therefore, lead to
It crosses and lamp unit 8 is supported, so that the load concentration born of optical axis adjustment screw 100 is to linking part 110.Therefore,
Being thinning for linking part 110 is big to the resistance to loading effect of optical axis adjustment screw 100.Thus, it is undesirable to the wall thickness of linking part 110
It is thinning.
Therefore, the present inventor makes the insertion position of gas coupler 254 be moved to the 1st end of optical axis adjustment screw 100
102 side of portion.The part for keeping wall thickness thinning due to the major diameter of gas coupler 254 as a result, becomes the 1st end 102.Therefore,
It can be avoided the reduction of the resistance to load of optical axis adjustment screw 100.
In the case where making the insertion position of gas coupler 254 be moved to the 1st 102 side of end, in order to make sending for gas
Direction is consistent with the flow direction of molten resin 130 out, it is expected that cast gate 220 is also configured at 102 side of the 1st end.In the situation
Under, cast gate 220 is configured at the opposite side of the 1st protrusion 230, and the 1st protrusion 230 and the 1st for the chimeric insertion of seal member 118 are recessed
Portion 116 is corresponding.The diameter narrows in the region that the 1st protrusion 230 is set of molding space 204.Therefore, if from cast gate 220 to
Molding space 204 injects molten resin 130, it is likely that disturbs the flowing of molten resin 130 due to the 1st protrusion 230
Disorderly.
As a result, being possible to be difficult to fill molten resin 130 to the 2nd region of the distal end compared with the 1st protrusion 230
204b.Particularly, mold 202 has the 2nd protrusion 248 corresponding with second recesses 122 in the 2nd region 204b.Therefore, the 2nd area
The flow path width of molten resin 130 in the 204b of domain is narrow, and the inflow of from molten resin 130 to the 2nd region 204b are more and more difficult.
In contrast, die device 200 involved in embodiment is protruding with the 3rd protrusion from the front end of the 2nd protrusion 248
250.By the way that the 3rd protrusion 250 is arranged, so that the flowing for the molten resin 130 that limitation is upset by the 1st protrusion 230, can will melt
Resin 130 is directed into the 2nd region 204b.Therefore, molten resin 130 can more reliably be filled to the 2nd region 204b.Cause
This, can reduce the undesirable generation of molding of optical axis adjustment screw 100.
Particularly, it is able to suppress and occurs to lack material near the 1st recess portion 116, therefore seal member 118 can be made more reliably
Touch with the inner wall in screw support portion 34.Thereby, it is possible to make in the abutting part of optical axis adjustment screw 100 and screw support portion 34
Leakproofness improve.
In addition, the optical axis adjustment screw 100 of present embodiment, has second recesses 122 in the 2nd end 104.By setting
Second recesses 122 are set, so as to keep the wall thickness of the 2nd end 104 thinning.Thereby, it is possible to reduce in the 2nd end 104 from melting
The amount for the gas that resin 130 generates, therefore be able to suppress and generate gap in the 2nd end 104, support axle portion 112.Particularly,
Gap near the 1st recess portion 116 is able to suppress to generate, thus can make seal member 118 more reliably with screw support portion
34 inner wall contiguity.
Prolong from the 1st end 102 throughout at least part of middle part 106 in addition, optical axis adjustment screw 100 has
The hollow portion 126 stretched.Thereby, it is possible to realize the lightweight of optical axis adjustment screw 100.Also, optical axis adjustment has with screw 100
There is the 3rd recess portion 124 extended from the front end of second recesses 122 towards 102 side of the 1st end.Thereby, it is possible to realize that optical axis adjusts
With the further lightweight of screw 100.
The present invention is not limited to above-mentioned embodiments, also can the knowledge based on those skilled in the art and be added each
The deformation of kind design alteration etc., joined above-mentioned deformed embodiment and is also contained in the scope of the present invention.By above-mentioned
The combination of embodiment and deformation and the new embodiment generated have the embodiment being combined and deformation respective together
Effect.
3rd protrusion 250 also can have the shape as following variation 1 and variation 2.(A) of Fig. 9 is to indicate
The top view of the general structure of 3rd protrusion involved in variation 1.(B) of Fig. 9 is to indicate the 3rd protrusion involved in variation 1
General structure side view.As shown in (A) of Fig. 9 and (B) of Fig. 9, the 3rd protrusion 250 involved in variation 1 has circular cone
Shape.(A) of Figure 10 is the top view for indicating the general structure of the 3rd protrusion involved in variation 2.(B) of Figure 10 is to indicate
The side view of the general structure of 3rd protrusion involved in variation 2.As shown in (A) of Figure 10 and (B) of Figure 10,2 institute of variation
The 3rd protrusion 250 being related to has round tube shape.
Claims (7)
1. a kind of die device is used to form resin component,
The die device is characterized in that,
The resin component is elongate body long in one direction, comprising: the 1st end；With the 2nd of the 1st end opposite side the
End；1st recess portion is configured close to the 2nd end, around resin component axis and extend；And second recesses, the described 2nd
At the nearby place for axially extending to the 1st recess portion of resin component in end,
The die device has the mold for forming molding space corresponding with the resin component,
The mold includes
Cast gate is connected to the 1st region corresponding with the 1st end of the molding space, Xiang Suoshu molding space note
Enter molten resin；
1st protrusion is configured close to the 2nd region corresponding with the 2nd end of the molding space, with the described 1st
Recess portion is corresponding；
2nd protrusion is configured at the 2nd region, corresponding with the second recesses；And
3rd protrusion, from the front end of the 2nd protrusion towards the 1st area side extend, and the front end of the 3rd protrusion with
1st protrusion, which is compared, is located at the 1st area side.
2. die device according to claim 1, wherein
The mold includes the 1st mold, with the centre between the 1st end and the 1st end and the 2nd end
Portion is corresponding；And the 2nd mold, it is corresponding with the 2nd end,
1st mold has the cast gate and the 1st protrusion,
2nd mold has the 2nd protrusion and the 3rd protrusion.
3. die device according to claim 1 or 2, wherein
The resin component has hollow portion, and the hollow portion is from the 1st end throughout the 1st end and the 2nd end
At least part of middle part between portion and extend,
The mold has gas inlet, which connect with the 1st region and be used for the molding space
Inject gas.
4. die device according to any one of claim 1 to 3, wherein
The resin component is the optical axis adjustment screw being adjusted for the light exit direction to lamps apparatus for vehicle.
5. a kind of resin component, which is characterized in that
The resin component is elongate body long in one direction, comprising:
1st end；
With the 2nd end of the 1st end opposite side；
1st recess portion is configured close to the 2nd end, around resin component axis and extend；
Second recesses, at the nearby place for axially extending to the 1st recess portion of resin component in the 2nd end；And
3rd recess portion, from the front end of the second recesses towards the 1st end side extend, and the front end of the 3rd recess portion with
1st recess portion, which is compared, is located at the 1st end side.
6. resin component according to claim 5, wherein
Also there is seal member, which is embedded in the 1st recess portion.
7. resin component according to claim 5 or 6, wherein
The resin component is the optical axis adjustment screw being adjusted for the light exit direction to lamps apparatus for vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018013482A JP7007207B2 (en) | 2018-01-30 | 2018-01-30 | Manufacturing method of mold equipment and resin parts |
| JP2018-013482 | 2018-01-30 |
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| Publication Number | Publication Date |
|---|---|
| CN110091472A true CN110091472A (en) | 2019-08-06 |
| CN110091472B CN110091472B (en) | 2022-02-11 |
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| CN201920163494.3U Active CN210174081U (en) | 2018-01-30 | 2019-01-30 | Mold device and resin component |
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| CN201920163494.3U Active CN210174081U (en) | 2018-01-30 | 2019-01-30 | Mold device and resin component |
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| JP7007207B2 (en) * | 2018-01-30 | 2022-02-10 | 株式会社小糸製作所 | Manufacturing method of mold equipment and resin parts |
| JP7447117B2 (en) | 2019-07-12 | 2024-03-11 | 富士フイルム株式会社 | Method for producing biological products, method for producing products, and voltage application device |
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| CN105465749A (en) * | 2014-09-26 | 2016-04-06 | 株式会社小糸制作所 | Seal ring mounting clamp and method of making optical axis adjusting screw rod using same |
| CN105773916A (en) * | 2015-01-09 | 2016-07-20 | 株式会社小糸制作所 | Mold For Resin Molded Part And Method Of Manufacturing Resin Molded Part |
| CN210174081U (en) * | 2018-01-30 | 2020-03-24 | 株式会社小糸制作所 | Mold device and resin component |
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| JP3113811B2 (en) * | 1995-12-28 | 2000-12-04 | 株式会社イノアックコーポレーション | Structure of synthetic resin vehicle roof rail with hollow part and method of manufacturing the same |
| JPH1052382A (en) * | 1996-08-12 | 1998-02-24 | Mitsubishi Materials Corp | Hinge shaft part for toilet bowl cover |
| JP6109500B2 (en) | 2011-09-29 | 2017-04-05 | 株式会社小糸製作所 | Aiming screw and its manufacturing method |
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| JPH08281691A (en) * | 1995-04-20 | 1996-10-29 | Idemitsu Petrochem Co Ltd | Method and apparatus for producing resin tubular object |
| CN1591629A (en) * | 2003-09-02 | 2005-03-09 | 株式会社名机制作所 | Die for forming optical disk substrate |
| CN102155704A (en) * | 2010-02-09 | 2011-08-17 | 株式会社小糸制作所 | Optical axis adjusting screw |
| CN203994419U (en) * | 2014-06-13 | 2014-12-10 | 广东伊之密精密注压科技有限公司 | Injection machine is without being detained plunger injection accumulator structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019130712A (en) | 2019-08-08 |
| JP7007207B2 (en) | 2022-02-10 |
| CN110091472B (en) | 2022-02-11 |
| CN210174081U (en) | 2020-03-24 |
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