CN207901544U - A kind of injection mold of lighting lamp piece - Google Patents
A kind of injection mold of lighting lamp piece Download PDFInfo
- Publication number
- CN207901544U CN207901544U CN201820013975.1U CN201820013975U CN207901544U CN 207901544 U CN207901544 U CN 207901544U CN 201820013975 U CN201820013975 U CN 201820013975U CN 207901544 U CN207901544 U CN 207901544U
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- Prior art keywords
- lower die
- core
- lamp piece
- lighting lamp
- pin
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000011162 core material Substances 0.000 description 33
- 239000011148 porous material Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection molds of lighting lamp piece, including upper die and lower die, the upper mold offers the upper impression for shaped article towards lower die, the lower die is provided with the lower core for shaped article towards upper mold, the quantity of the lower core is multiple, multiple lower cores are symmetrical to be divided into two groups and is distributed in lower die, and lower described in every group core is stepped is distributed in lower die, the upper mold is provided with the upper core for being molded inserted block towards lower die, the lower die offers the lower impressions for being molded inserted block towards upper mold, the longitudinal section size of the lower impressions gradually broadens along the ladder-like direction directed downwardly of lower core.People can be easily removed product from the injection mold of this lighting lamp piece, and product is hardly damaged or scratches, this injection mold is convenient in demoulding, reliability is high.
Description
Technical field
The utility model is related to a kind of injection mold, especially a kind of injection mold of lighting lamp piece.
Background technology
Injection mold is generally made of upper die and lower die, and when upper die and lower die combine, liquid plastics enter through injection hole
The mold cavity that upper die and lower die surround, after plastics cooled and solidified, die sinking is completed in upper die and lower die separation, then demoulding mechanism
Start the separation that product and mold are completed in action.
As shown in Figure 1, a kind of lighting lamp piece for transparent plastics material, including lamp piece ontology 10, lamp piece ontology 10 it is interior
Portion is hollow and single-ended opening, integrally formed with several inserted blocks 101, inserted block 101 on the outer wall of open-mouth on lamp piece ontology 10
For wedge block, which is used for the car light of automobile.Injection mold in currently available technology for manufacturing the lighting lamp piece
A multi-cavity mold formula is generally used, the multiple products of disposal molding are used for.But after the mold releasability, between adjacent illumination lamp piece between
Gap is smaller, it is difficult to product is taken out from mold.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of injection moulds of lighting lamp piece
Tool, can easily take out product from mold.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of note of lighting lamp piece
Mould, including upper die and lower die, the upper mold offer the upper impression for shaped article, the lower die direction towards lower die
Upper mold is provided with the lower core for shaped article, and the quantity of the lower core is multiple, and multiple lower cores are symmetrical
It is divided into two groups to be distributed in lower die, and lower described in every group core is stepped is distributed in lower die.
Through the above technical solutions, then upper mold is injected liquid modeling together in lower die between upper impression and lower core
Material, after waiting for liquid plastics coagulation forming, operation upper mold detaches completion die sinking with lower die, then needs to take out product, even if production
Product between product at a distance from it is relatively narrow, since product point multiple ladders are distributed in lower die, people can be along the mode from upper layer to lower layer
Product is taken out out of mold, it is more convenient.
Preferably, the upper mold is provided with the upper core for being molded inserted block towards lower die, and the lower die is opened towards upper mold
Equipped with the lower impressions for being molded inserted block, the longitudinal section size of the lower impressions is gradual along the ladder-like direction directed downwardly of lower core
It broadens.
Through the above technical solutions, the spatial form surrounded after upper core and lower impressions combination is identical as inserted block, upper core
With lower impressions for being molded inserted block, when needing to take out product, people moves product to the wider direction of lower impressions, makes inserted block under
The inner wall of cavity generates gap, while taking out product upwards, and setting in this way makes the taking-up of product be relatively easy to, and product be not easy and
Die surface, which generates, to be rubbed and then is scratched.
Preferably, sliding is provided with stripper plate in the lower die, is provided on the stripper plate several for ejecting product
Knockout pin, the end of the knockout pin is located at the contact position of the upper surface and lower core of lower die.
Through the above technical solutions, when stripper plate is moved to upper mold direction, stripper plate drives knockout pin movement, knockout pin will
Product ejects lower die and completes demoulding, to facilitate people to take out product；The end of knockout pin is located at the upper surface of lower die and lower core
Contact position, then the end of knockout pin be rendered as ladder-like, after knockout pin bar is ejected from lower die, lamp piece ontology is by several demouldings
The stair-stepping end of bar limits, and product is not easy spontaneous fall.
Preferably, several pilot holes, the axial direction of the pilot hole and the direction of motion of knockout pin are offered in the lower die
It is identical, several guide posts to match with pilot hole are provided on the stripper plate, the guide post is slidably arranged in corresponding lead
Into hole.
Through the above technical solutions, guide post is by being slidably arranged in corresponding pilot hole, to establish stripper plate and
Lower die is slidably connected, and when stripper plate is slided relative to lower die is more steady, and stripper plate is not likely to produce lateral movement.
Preferably, the lower die includes pedestal, offers multiple drive holes through the pedestal, the drive hole is for wearing
Enter actuator and stripper plate is driven to move.
Through the above technical solutions, drive hole is for penetrating actuator and stripper plate being driven to move, actuator can be hydraulic pressure
More cylinders of cylinder driving, since the position that offsets of actuator and stripper plate is that multiple and position is uniform, then when stripper plate moves
Stress is steady, and quality of mold release is preferable.
Preferably, the knockout pin includes the drive rod moved for knock-pin, the driving knock-pin of ejecting product, described
Between knock-pin and drive rod there are demoulding gap, it is described demoulding gap height along the ladder-like direction directed downwardly of lower core by
Gradual change is big.
Through the above technical solutions, when stripper plate is moved to upper mold direction, drive rod is in demoulding gap to knock-pin
Direction moves, and drive rod offsets with corresponding knock-pin after a certain time, and knock-pin is ejected lower die, and it is de- to realize delay
The function of mould；Since the height in demoulding gap becomes larger along the ladder-like direction directed downwardly of lower core, then it can make the de- of product
Die process carries out in batches, and the product quantity demoulded every time is less, then the power needed for stripper plate movement is also less, actuator
During driving stripper plate movement, it is not likely to produce larger reaction force, stripper plate operates steadily, to reduce product damage
Bad probability.
Preferably, spring is provided in the demoulding gap, the spring is for driving knock-pin to reset.
Through the above technical solutions, after drive rod pushes knock-pin to complete demoulding, drive rod is moved to negative direction, works as driving
When bar is far from knock-pin, spring drives in knock-pin retraction lower die, realizes automatically reseting for knock-pin.
Preferably, the upper mold offers several location holes towards lower die, and several and location hole is provided in the lower die
The positioning column of cooperation, when the upper mold is together in lower die, the positioning column penetrates in location hole.
Through the above technical solutions, when upper mold is together in lower die, positioning column penetrates in location hole and closely matches with location hole
It closes, to position upper die and lower die, improves the positional precision of the two.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：People can be from the injection molding of this lighting lamp piece
Product is easily removed on mold, and product is hardly damaged or scratches, this injection mold is convenient in demoulding, reliability is high.
Description of the drawings
Fig. 1 is a kind of stereogram of existing lighting lamp piece in background technology, the knot of main prominent lamp piece ontology and inserted block
Structure；
Fig. 2 is the stereogram at first visual angle of injection mold of this lighting lamp piece, mainly protrudes the upper of this injection mold and regards knot
Structure；
Fig. 3 is the stereogram at second visual angle of injection mold of this lighting lamp piece, mainly protrudes the lower of this injection mold and regards knot
Structure；
Fig. 4 is the top view of lower die in embodiment, the shape of main prominent lower impressions；
Fig. 5 is the A-A sectional views of Fig. 1, the internal structure of main prominent lower die；
Fig. 6 is enlarged drawing at the B of Fig. 5, the structure in main prominent demoulding channel and knockout pin.
Reference numeral：10, lamp piece ontology；101, inserted block；1, pedestal；2, lower die；3, upper mold；31, upper impression；32, mo(u)ld top half
Core；21, lower core；22, lower impressions；33, injection hole；34, runner；35, location hole；23, positioning column；4, stripper plate；41, it is oriented to
Column；24, pilot hole；11, drive hole；5, channel is demoulded；51, apical pore；52, hole is demoulded；42, knockout pin；421, knock-pin；422、
Drive rod；43, gap is demoulded；431, spring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
As shown in Figures 2 and 3, a kind of injection mold of lighting lamp piece, including pedestal 1, be fixed on pedestal 1 lower die 2,
The upper mold 3 being arranged above lower die 2, upper mold 3, lower die 2 and pedestal 1 are cuboid.Upper mold 3 offers more towards lower die 2
A upper impression 31 for being molded lamp piece ontology 10 is provided with upper core 32 for being molded inserted block 101；Lower die 2 is towards upper mold 3
It is provided with multiple lower cores 21 for being used to be molded lamp piece ontology 10, offers the lower impressions 22 for being molded inserted block 101.Upper mold 3
Be equipped with injection hole 33 away from the end face of lower die 2, offer the runner 34 being connected to injection hole 33 in upper mold 3, when upper mold 3 together in
After lower die 2, liquid plastics are injected from injection hole 33, liquid plastics enter upper core 32, upper impression 31, lower core 21 through runner 34
In the space surrounded with lower impressions 22, after the molding of liquid plastics solidification, lighting lamp piece product is formed.
Upper mold 3 corresponds on four angles of lower die 2 in four towards location hole 35 is offered on four angles of lower die 2
A location hole 35 is provided with positioning column 23, and when upper mold 3 is together in lower die 2, positioning column 23 penetrates in location hole 35 and and location hole
35 are fitted close, and to position upper mold 3 and lower die 2, improve the positional precision of the two.
21 quantity of lower core in the present embodiment is six, and six lower cores 21 are symmetrical to be divided into two groups and be distributed in lower die
Core 21 is stepped on 2, and under every group is distributed in lower die 2, sequentially forms high, medium and low third gear, the position of upper impression 31 with
Lower core 21 corresponds.
As shown in figure 4, the longitudinal section size of lower impressions 22 gradually broadens along the ladder-like direction directed downwardly of lower core 21, make
The cross-sectional shape of lower impressions 22 forms trapezoidal.When needing to take out product, people moves product to the big extreme direction of lower impressions 22,
So that inserted block 101 and the inner wall of lower impressions 22 is generated gap, while taking out product upwards, setting in this way makes the taking-up of product more hold
Easily, and product is not easy to generate with die surface and rubs and then be scratched.
As shown in Fig. 2, sliding is provided with two blocks of stripper plates 4 in lower die 2, two blocks of stripper plates 4 are bolted to connection, and are taken off
Template 4 is rectangular slab and parallel with pedestal 1.Stripper plate 4 towards being vertically and fixedly provided with four guide posts 41 in the plate face of upper mold 3, under
Pilot hole 24 corresponding with guide post 41 there are four being opened up in mould 2, guide post 41 is by being slidably arranged in corresponding pilot hole 24
It is interior, to establish being slidably connected for stripper plate 4 and lower die 2, and more steady, stripper plate when stripper plate 4 is slided relative to lower die 2
4 are not likely to produce lateral movement.
As shown in figure 3, being opened up on pedestal 1 there are three drive hole 11, drive hole 11 is relatively large in diameter, and three drive holes 11 pass through
Two end faces of pedestal 1 are through at, and correspond respectively to centre and two side positions of stripper plate 4, drive hole 11 is for penetrating driving
Part simultaneously drives stripper plate 4 to move.Actuator can be more cylinders of Driven by Hydraulic Cylinder, due to offseting for actuator and stripper plate 4
Position is that multiple and position is uniform, then stress is steady when stripper plate 4 moves, and quality of mold release is preferable.
As shown in Figure 5 and Figure 6, each lower core 21 is corresponded in lower die 2 and offers several demoulding channels 5 respectively, it is several
The circumferential position that channel 5 is located at each lower core 21 is demoulded, the length direction in several demoulding channels 5 is vertically.Demoulding
Channel 5 includes the apical pore 51 close to lower core 21, the demoulding hole 52 far from lower core 21, and the internal diameter of apical pore 51 is more than demoulding hole
52.Apical pore 51 is located at the intersection on 2 surface of lower core 21 and lower die away from the end in demoulding hole 52.
Several knockout pins 42 for ejecting product are fixed on stripper plate 4, every knockout pin 42 is slideably positioned in correspondence
Demoulding channel 5 in.Knockout pin 42 includes the knock-pin 421 directly contacted with product, the drive rod of the driving movement of knock-pin 421
422, the wherein diameter of knock-pin 421 matches with apical pore 51 and in apical pore 51, diameter and demoulding 52 phase of hole of drive rod 422
Match and is located in demoulding hole 52.One end of drive rod 422 card slot and fixture block cooperation by way of be fixed on two stripper plates 4 it
Between, there are demoulding gaps 43 between the other end and knock-pin 421 of drive rod 422, demould the height in gap 43 along lower core 21
Ladder-like direction directed downwardly become larger, but corresponding to highly identical with the demoulding gap 43 at lower core 21.Stripping room
Spring 431 is provided in gap 43, one end of spring 431 is fixed on knock-pin 421, and the other end of spring 431 is fixed on demoulding
On the inner wall in hole 52, drive rod 422 can pass through the hollow part of spring 431 to offset with knock-pin 421, and spring 431 is preset oriented
The elastic force of contract.When drive rod 422 is far from knock-pin 421, spring 431 drives in 421 retraction apical pore 51 of knock-pin, realizes
Knock-pin 421 automatically resets.
Knock-pin 421 is used for the corresponding position of shaped article close to the end of lower core 21 simultaneously, then the end of knock-pin 421
Portion is rendered as ladder-like.When knock-pin 421 is ejected from lower die 2, knock-pin 421 pushes lamp piece ontology 10 to be detached with lower die 2 point
At demoulding, lamp piece ontology 10 is limited by the stair-stepping end of several knock-pins 421, and product is not easy spontaneous fall.
The course of work of the injection mold of this lighting lamp piece is as follows：When lighting lamp piece product is frozen into this injection mold
After type, operation upper mold 3 detaches completion die sinking with lower die 2, then controls external actuator and pushes stripper plate 4 to 3 direction of upper mold
Movement, stripper plate 4 drive drive rod 422 to be moved to 421 direction of knock-pin, and then knock-pin 421 is ejected apical pore by drive rod 422
51.Knock-pin 421 positioned at same 21 periphery of lower core acts simultaneously, product is ejected lower die 2, product more can smoothly be put
It is placed on each knock-pin 421.
Continue to move with stripper plate 4, drive rod 422 and the knock-pin 421 positioned at next ladder offset, and then will be right
The knock-pin 421 answered ejects apical pore 51, completes the product stripping of next ladder, later similarly.Setting makes the demoulding of product in this way
Process carries out in batches, and the product quantity demoulded every time is less, then also less, the actuator that moves required power of stripper plate 4
During driving stripper plate 4 to move, it is not likely to produce larger reaction force, stripper plate 4 operates steadily, to reduce product
The probability of damage.
Need to take out product after the completion of demoulding, though product between product at a distance from it is relatively narrow, due to product point multiple ladders
It is distributed in lower die 2, people can take out product along the mode from upper layer to lower layer out of mold, more convenient.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by the attached claims.
Claims (8)
1. a kind of injection mold of lighting lamp piece, including upper mold (3) and lower die (2), the upper mold (3) open up towards lower die (2)
It is useful for the upper impression (31) of shaped article, the lower die (2) is provided with the lower core for shaped article towards upper mold (3)
(21), it is characterized in that：The quantity of the lower core (21) is multiple, and multiple lower cores (21) are symmetrical to be divided into two components
Cloth is in lower die (2), and lower described in every group core (21) is stepped is distributed in lower die (2).
2. a kind of injection mold of lighting lamp piece according to claim 1, it is characterized in that：The upper mold (3) is towards lower die
(2) it is provided with the upper core (32) for being molded inserted block (101), the lower die (2) offers slotting for being molded towards upper mold (3)
The lower impressions (22) of block (101), the longitudinal section size of the lower impressions (22) is along the ladder-like direction directed downwardly of lower core (21)
Gradually broaden.
3. a kind of injection mold of lighting lamp piece according to claim 1, it is characterized in that：Sliding is set in the lower die (2)
It is equipped with stripper plate (4), several knockout pins (42) for ejecting product, the knockout pin are provided on the stripper plate (4)
(42) end is located at the contact position of the upper surface and lower core (21) of lower die (2).
4. a kind of injection mold of lighting lamp piece according to claim 3, it is characterized in that：It is offered in the lower die (2)
The axial direction of several pilot holes (24), the pilot hole (24) is identical as the direction of motion of knockout pin (42), on the stripper plate (4)
Several guide posts (41) to match with pilot hole (24) are provided with, the guide post (41) is slidably arranged in corresponding pilot hole
(24) in.
5. a kind of injection mold of lighting lamp piece according to claim 3, it is characterized in that：The lower die (2) includes pedestal
(1), multiple drive holes (11) are offered through the pedestal (1), the drive hole (11) is for penetrating actuator and driving de-
Template (4) moves.
6. a kind of injection mold of lighting lamp piece according to claim 3, it is characterized in that：The knockout pin (42) includes using
In the drive rod (422) that knock-pin (421), the driving knock-pin (421) of ejecting product move, the knock-pin (421) and drive
Between lever (422) there are demoulding gap (43), it is described demoulding gap (43) height along lower core (21) it is ladder-like downward
Direction become larger.
7. a kind of injection mold of lighting lamp piece according to claim 6, it is characterized in that：It is set in the demoulding gap (43)
It is equipped with spring (431), the spring (431) is for driving knock-pin (421) to reset.
8. a kind of injection mold of lighting lamp piece according to claim 1, it is characterized in that：The upper mold (3) is towards lower die
(2) several location holes (35) are offered, several positioning columns (23) with location hole (35) cooperation are provided on the lower die (2),
When the upper mold (3) is together in lower die (2), the positioning column (23) penetrates in location hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820013975.1U CN207901544U (en) | 2018-01-04 | 2018-01-04 | A kind of injection mold of lighting lamp piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820013975.1U CN207901544U (en) | 2018-01-04 | 2018-01-04 | A kind of injection mold of lighting lamp piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207901544U true CN207901544U (en) | 2018-09-25 |
Family
ID=63566640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820013975.1U Active CN207901544U (en) | 2018-01-04 | 2018-01-04 | A kind of injection mold of lighting lamp piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207901544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084083A (en) * | 2021-05-08 | 2021-07-09 | 洛阳刘氏模具有限公司 | Integrated lost foam mold |
-
2018
- 2018-01-04 CN CN201820013975.1U patent/CN207901544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084083A (en) * | 2021-05-08 | 2021-07-09 | 洛阳刘氏模具有限公司 | Integrated lost foam mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Injection mold of light piece Effective date of registration: 20200509 Granted publication date: 20180925 Pledgee: Zhejiang Taizhou Huangyan Rural Commercial Bank Co., Ltd. Pledgor: TAIZHOU HUANGYAN FENGSHI AUTO PARTS Co.,Ltd. Registration number: Y2020330000220 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |