CN206465397U - High-precision silica gel diaphragm mould injection structure - Google Patents
High-precision silica gel diaphragm mould injection structure Download PDFInfo
- Publication number
- CN206465397U CN206465397U CN201720041248.1U CN201720041248U CN206465397U CN 206465397 U CN206465397 U CN 206465397U CN 201720041248 U CN201720041248 U CN 201720041248U CN 206465397 U CN206465397 U CN 206465397U
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- China
- Prior art keywords
- cold
- plate
- valve
- needle
- silica gel
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of high-precision silica gel diaphragm mould injection structure; including cover plate, protection board, fixed plate, cold flow guidance tape, cold nozzle plate, solid plate, fixed mold core, motor, needle-valve and cold runner; its cover plate, protection board, fixed plate, cold flow guidance tape, cold nozzle plate and solid plate are sequentially connected; motor is arranged in fixed plate; and in protection board; motor is connected with needle-valve; cold runner is connected with needle-valve; fixed mold core is arranged in solid plate; fixed mold core is provided with forming surface, and needle-valve matches with forming surface.Cold runner of the present utility model can be used for the injection of silica gel material, and controlled by motor needle-valve and forming surface conducting whether, silica gel material is controlled to be entered when needed from cold runner by needle-valve in forming surface with this, because the injection volume of silica gel material becomes controllable, thus, the problem of injection is excessive or very few can be greatly reduced, it is ensured that the high-quality and high-precision of silicone skirt piece is molded in forming surface.
Description
Technical field
The utility model is related to mold design field, more particularly to a kind of high-precision silica gel diaphragm mould injection
Structure.
Background technology
Diaphragm (diaphragm), it is mainly used in valve, is used as the critical component of valve switch.Common
Diaphragm typically uses plastic cement manufacture, but the toxicity of plastic cement is stronger, not degradable, and poor chemical stability, heat-resisting quantity
Can be poor, service life is short, and its use in the field of high request is extremely difficult to requirement.
In present automotive field, diaphragm can be used on the part such as automobile oil filter valve, in order to solve to ask above
Topic, people begin to use silica gel to make diaphragm, and the toxicity of silica gel is weaker, environment-friendly degradable, and stable chemical performance, resistance to height
Warm nature can be more better than plastic cement, and service life is long.On the other hand, because the safety requirements of automobile is high, it is to internal part
Connection reliability and functional reliability are also very high, and are even more more last layer for the requirement of the critical components such as valve, therefore for vapour
The dimensional accuracy of car diaphragm typically required in below 0.01mm, to ensure that it can be accurately fitted at valve port and reliably work
Make.
Increasing with the demand of automobile, the demand of high accuracy silica gel diaphragm is also increasing now, leads on the market
It is often to be obtained by mould come injection molding, but is found during actual processing, if material is injected directly into die, due to height
The volume very little of precision silicone skirt piece, and be difficult to regulate and control in injection process, thus, easily occur in injection it is excessive or
The very few situation of person, has a strong impact on the quality and precision of shaping silicone skirt piece.
Utility model content
The purpose of this utility model is that providing one kind can be suitably used for ensureing shaped article precision, can control to injection volume
The silicone skirt sheetmolding mould injection structure of system.
According to one side of the present utility model there is provided a kind of high-precision silica gel diaphragm mould injection structure,
Including cover plate, protection board, fixed plate, cold flow guidance tape, cold nozzle plate, solid plate, fixed mold core, motor, needle-valve and cold runner, its middle cover
Plate, protection board, fixed plate, cold flow guidance tape, cold nozzle plate and solid plate are sequentially connected, and motor is arranged in fixed plate, and positioned at guarantor
In backplate, motor is connected with needle-valve, and cold runner is connected with needle-valve, and fixed mold core is arranged in solid plate, and fixed mold core is provided with into
Type face, needle-valve matches with forming surface.
The beneficial effects of the utility model are：Cold runner of the present utility model can be used for the injection of silica gel material, and lead to
Cross motor control needle-valve and forming surface conducting whether, control silica gel material to pass through needle-valve from cold runner when needed with this
Enter in forming surface, because the injection volume of silica gel material becomes controllable, thus, injection can be greatly reduced excessive or very few
Problem, it is ensured that the high-quality and high-precision of silicone skirt piece is molded in forming surface.And the setting of protection board can then be carried out to motor
Protection, the setting of fixed plate then facilitates the setting of motor, and cold flow guidance tape can be easy to the setting of cold runner, and cold nozzle plate then can conveniently dissipate
The installation of the cold nozzle of thermal, thus, can improve functional reliability of the present utility model and practicality.
In some embodiments, the utility model also includes locating ring, and wherein locating ring is installed on the cover board.Locating ring
Setting can facilitate injection machine head connection and fixation.
In some embodiments, cold flow guidance tape include cold runner cover plate and cold runner mainboard, wherein cold runner cover plate and
Cold runner mainboard is connected.Cold runner mainboard can facilitate cold runner to be just processed setting directly over, improve the effect made
Rate, and cold runner cover plate can be sealed to cold runner, it is ensured that the functional reliability of cold runner.
In some embodiments, cold nozzle plate includes cold nozzle supporting plate and cold nozzle fixed plate, wherein cold nozzle supporting plate and cold
Nozzle fixed plate is connected.Cold nozzle fixed plate can facilitate the cold nozzle of the heat abstractors such as water cooling plant to fix and install, and cold nozzle is supported
Plate is protected to heat abstractor.
In some embodiments, needle-valve includes thimble and valve body, and wherein valve body is arranged in cold nozzle plate, and thimble, which is located at, to be arrived
In valve body, and gap is left between valve body, gap is connected with cold runner, and thimble and motor connection, motor can lift thimble, from
And gap is connected with forming surface.The needle-valve of thimble-type, can better control over speed and amount that material flows into forming surface, further
Ensure the precision and quality of shaped article.
In some embodiments, needle-valve also includes thimble fixed block, and wherein thimble fixed block is set on thimble.On top
When pin length is oversize, the setting of thimble fixed block can reduce the movement of thimble horizontal direction, prevent thimble from occurring tilting dislocation
Situations such as.
In some embodiments, cold runner includes sprue and runner, wherein sprue, runner and needle-valve successively
Connection, runner is on cold flow guidance tape.The setting of runner can cause the utility model once to produce multiple high precision silicons
Glue diaphragm, improves practicality of the present utility model.
Brief description of the drawings
Fig. 1 faces for a kind of high-precision silica gel diaphragm mould injection structure of embodiment of the present utility model
The sectional view of figure.
Fig. 2 is the sectional view of the front view of Fig. 1 needle-valve.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1-Fig. 2, high-precision silica gel diaphragm mould injection structure, including cover plate 1, protection board 2, fixation
Plate 3, cold flow guidance tape 4, cold nozzle plate 5, solid plate 6, fixed mold core 7, motor 8, needle-valve 9, cold runner 10 and locating ring 11.
Locating ring 11 is inlaid on cover plate 1, cover plate 1, protection board 2, fixed plate 3, cold flow guidance tape 4, cold nozzle plate 5 and solid plate
6 pass sequentially through connection, and one-time formed number is set the number of fixed mold core 7 as needed, and all fixed mold cores 7 are inlaid in cover half
In plate 6, forming surface 71 is equipped with each fixed mold core 7, the shaping for product.In addition, motor 8 is mounted by means of bolts on
In fixed plate 3, and in protection board 2.
Cold flow guidance tape 4 includes cold runner cover plate 41 and cold runner mainboard 42, between cold runner cover plate 41 and cold runner mainboard 42
It is connected by bolt.Cold nozzle plate 5 includes cold nozzle supporting plate 51 and cold nozzle fixed plate 52, cold nozzle supporting plate 51 and cold nozzle fixed plate
It is connected between 52 by bolt.
Cold runner 10 includes sprue 101 and runner 102, sprue 101 can by through cover plate 1, protection board 2 with it is solid
With holes piece of formation of fixed board 3, and sprue 101 flows through cover plate 1, protection board 2 and fixed plate 3 and cold runner cover plate 41 successively, point
Runner 102 is on the cold flow guidance tape 4, and the number of runner 102 is suitable with the quantity of fixed mold core 7, and sprue 101 be also it is a plurality of,
Every sprue 101 can be connected with a plurality of runner 102.
The number of needle-valve 9 is also suitable with the quantity of fixed mold core 7, and each needle-valve 9 is fixed including thimble 91, valve body 92 and thimble
Block 94.Valve body 92 is arranged in cold nozzle plate 5, and the thimble 91 is located at into valve body 92, and leaves gap 93 between valve body 92,
Gap 93 is connected with corresponding runner 102, i.e., sprue 101, correspondence runner 102 and correspondence needle-valve 9 are sequentially communicated, thimble 91
It is fixedly connected with motor 8 so that motor 8 can lift or put down thimble, and when motor 8 lifts thimble 91, the He of gap 93
The forming surface 71 of correspondence fixed mold core 7 is connected, i.e., the number and location of needle-valve 9 match with forming surface 71.In addition, thimble is solid
Determine block 94 to be set on thimble 91, and thimble fixed block 94 is fixed at cold runner cover plate 41, thus, it is possible to prevent thimble 91 from occurring
Situations such as tilting dislocation.
The utility model in use, cold nozzle plate 5 can be with the cold nozzle of the heat abstractor such as water cooling plant fixation and installation, motor
8 connect with external circuit, and locating ring 11 is connected with the injection molding end of injection machine.
During injection, solid plate 6 is connected with moving platen so that fixed mold core 7 and mavable module core are closed to be easy to the shaping of product.Note
Molding machine is injected material toward sprue 101 is interior, and silica gel material enters needle-valve 9 along sprue 101, runner 102
In gap 93, start motor 8, motor 8 can lift thimble 91, and the silica gel material in gap 93 can be flowed into the forming surface of fixed mold core 7
On 71, that is, the injection of product material is realized, and in injection moulding process, when needed, can be pushed thimble 91 using motor 8, pushed up
Pin 91 can completely cut off gap 93 and forming surface 71 so that silica gel material can not be flowed into the forming surface 71 of fixed mold core 7, pass through this kind
Mode, user can arbitrarily control the Material injection amount toward forming surface 71, excessive or very few feelings easily occur when reducing injection
Condition, it is ensured that the quality and precision of silicone skirt sheetmolding.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (7)
1. high-precision silica gel diaphragm mould injection structure, it is characterised in that including cover plate (1), protection board (2), fix
Plate (3), cold flow guidance tape (4), cold nozzle plate (5), solid plate (6), fixed mold core (7), motor (8), needle-valve (9) and cold runner (10),
The cover plate (1), protection board (2), fixed plate (3), cold flow guidance tape (4), cold nozzle plate (5) and solid plate (6) are sequentially connected, described
Motor (8) is arranged in fixed plate (3), and in protection board (2), the motor (8) is connected with needle-valve (9), described cold
Runner (10) is connected with needle-valve (9), and the fixed mold core (7) is arranged in solid plate (6), and the fixed mold core (7) is provided with shaping
Face (71), the needle-valve (9) matches with forming surface (71).
2. high-precision silica gel diaphragm mould injection structure according to claim 1, it is characterised in that also including fixed
Position ring (11), the locating ring (11) is arranged on cover plate (1).
3. high-precision silica gel diaphragm mould injection structure according to claim 1, it is characterised in that the cold flow
Guidance tape (4) includes cold runner cover plate (41) and cold runner mainboard (42), the cold runner cover plate (41) and cold runner mainboard (42)
It is connected.
4. high-precision silica gel diaphragm mould injection structure according to claim 1, it is characterised in that the cold nozzle
Plate (5) includes cold nozzle supporting plate (51) and cold nozzle fixed plate (52), the cold nozzle supporting plate (51) and cold nozzle fixed plate (52) phase
Connection.
5. high-precision silica gel diaphragm mould injection structure according to claim 1, it is characterised in that the needle-valve
(9) thimble (91) and valve body (92) are included, the valve body (92) is arranged in cold nozzle plate (5), the thimble (91), which is located at, arrives valve
In body (92), and gap (93) is left between valve body (92), the gap (93) is connected with cold runner (10), the thimble
(91) it is connected with motor (8), the motor (8) can lift thimble (91), so that gap (93) are connected with forming surface (71).
6. high-precision silica gel diaphragm mould injection structure according to claim 5, it is characterised in that the needle-valve
(9) thimble fixed block (94) is also included, the thimble fixed block (94) is set on thimble (91).
7. high-precision silica gel diaphragm mould injection structure according to claim 1, it is characterised in that described cold
Runner (10) includes sprue (101) and runner (102), and the sprue (101), runner (102) and needle-valve (9) are successively
Connection, the runner (102) is on cold flow guidance tape (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041248.1U CN206465397U (en) | 2017-01-13 | 2017-01-13 | High-precision silica gel diaphragm mould injection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041248.1U CN206465397U (en) | 2017-01-13 | 2017-01-13 | High-precision silica gel diaphragm mould injection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206465397U true CN206465397U (en) | 2017-09-05 |
Family
ID=59705456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720041248.1U Expired - Fee Related CN206465397U (en) | 2017-01-13 | 2017-01-13 | High-precision silica gel diaphragm mould injection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206465397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228074A (en) * | 2018-09-13 | 2019-01-18 | 东莞星海丰电子有限公司 | The forming method and molding equipment of silica gel product |
| CN110076964A (en) * | 2019-06-10 | 2019-08-02 | 厦门豪特维思科技有限公司 | A kind of liquid-state silicon gel cold runner die |
-
2017
- 2017-01-13 CN CN201720041248.1U patent/CN206465397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228074A (en) * | 2018-09-13 | 2019-01-18 | 东莞星海丰电子有限公司 | The forming method and molding equipment of silica gel product |
| CN110076964A (en) * | 2019-06-10 | 2019-08-02 | 厦门豪特维思科技有限公司 | A kind of liquid-state silicon gel cold runner die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20190113 |