CN205889742U - Mould of not moulding plastics mouthful in product surface - Google Patents
Mould of not moulding plastics mouthful in product surface Download PDFInfo
- Publication number
- CN205889742U CN205889742U CN201620779236.4U CN201620779236U CN205889742U CN 205889742 U CN205889742 U CN 205889742U CN 201620779236 U CN201620779236 U CN 201620779236U CN 205889742 U CN205889742 U CN 205889742U
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- China
- Prior art keywords
- runner
- mould
- slide block
- injection hole
- piston
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Abstract
The utility model discloses a mould of not moulding plastics mouthful in product surface, including an upper die and a lower die, it forms the die cavity with the lower mould cooperation to go up the mould, upward be provided with the mouth of moulding plastics on the mould, it is provided with the runner in the mouth to mould plastics, the runner with the die cavity intercommunication, upward be provided with the slide in the mould, be provided with the slider that is used for the runner is sealed in the slide, the slide switches on with the runner, go up to be provided with on the mould and be arranged in pushing away the slider to with the runner and with push mechanism that the runner is sealed, slide in the slider and be provided with the piston boit that is used for the runner between slide and the die cavity is sealed, be provided with the drive division that is used for drive RAM post motion in the slider, its technical scheme main points are through setting up the slider and set up the piston boit on the slider, and can be convenient seal after the runner is in the plastics injection type chamber of molten condition prevents to form the runner waste material on the product.
Description
Technical field
This utility model is related to mould, does not have the mould of injection hole particularly to a kind of product surface.
Background technology
There is the figure of mould in industrialized production, mould, in large batch of production, greatly improves production
Speed, drives developing rapidly of modernization industry.
As shown in figure 1, mould includes the upper mould that cope match-plate pattern is connected with cope match-plate pattern, lower mould with the cooperation of upper mould, with lower mould even
The lower template connecing, wherein goes up mould and lower mould and cooperatively forms die cavity for injecting products, be provided with injection hole, work on cope match-plate pattern
When making, the raw material of molten condition enters die cavity from injection hole, is formed for product after the raw material cooling in die cavity.
But also can there is a part of raw material in injection hole when to injection raw material in die cavity, when the raw material in die cavity is cold
But, after, the raw material in injection hole also can cool down therewith, and in injection hole cooling raw material will with product injection together with,
Pour formation casting waste materials on the product outpouring, product needs workman to cut the waste material that injection hole produces after being removed from the molds
Come, such that product surface forms " cicatricle ", lead to product surface rough, affect product quality.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of product surface not have injection hole
Mould, when this mould produces, runner waste material will not be formed it is not necessary to extra excise runner waste material in product surface, therefore
Product surface is smooth.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of product surface does not have
The mould of injection hole, including upper die and lower die, described upper mould and lower mould cooperatively form die cavity, and described upper mould is provided with injection hole,
It is provided with runner in described injection hole, described runner is connected with described die cavity, be provided with slideway in described upper mould, in described slideway
It is provided with the slide block for sealing runner, described slideway is turned on runner, described upper mould is provided with for being pushed into slide block
It is provided with runner and the delivery device that seals runner, sliding in described slide block for by the runner between slideway and die cavity
The piston boit of sealing, is provided with the drive division for driving piston boit motion in described slide block.
By technique scheme, during work, first the raw material of molten condition is passed through in die cavity from runner, when raw material fills
Stop continuing to be passed through raw material after full die cavity, by pushing mechanism promotion, slide block is pushed in runner and runner is close afterwards
Envelope, then drives piston boit motion by drive division, and piston boit will move in the runner below slideway, and by this section of runner
Raw material push in die cavity, because this section of runner is shorter, the raw material existing less it is possible to by the raw material in this section of runner
Push to completely in die cavity, at this moment, the end of piston boit is maintained an equal level with the upper surface of die cavity, and injection product surface out is smooth,
Being not likely to produce " cicatricle ", simultaneously as runner waste material is not had on product, so not needing additional incisions, saving operation, improve
Production efficiency.
Preferably, described runner relative with slide block a section is rectangular opening, and the height of this rectangular opening is more than the thickness of slide block
Degree, described slide block is fitted with described runner inner wall.
By technique scheme, by the runner of this section being arranged to the runner convenience slide block of rectangular opening by this
Runner seals.
Preferably, described drive division includes the air cavity being arranged on slide block, and described piston boit is slidably arranged in air cavity, institute
The air flue being communicated with for ventilation in air cavity is stated on air cavity.
By technique scheme, effectively promote piston boit motion for convenience, air cavity is provided with slide block, by piston
Post is arranged in air cavity, by being arranged to high pressure between air cavity and piston boit with negative pressure in that context it may be convenient to control piston boit
Move back and forth, simultaneously because with gas driven piston post, therefore only need to open up less air flue just permissible on slide block
Convenient driving piston boit motion, simple to operation, simultaneously because air flue is less, so not interfering with the intensity of slide block.
Preferably, described delivery device includes the cylinder being arranged on mould, and the piston rod of described cylinder is connected with slide block,
Described air flue passes through from the piston rod of cylinder.
By technique scheme, slide block movement is promoted by cylinder, simple and quick, stroke is convenient simultaneously controls, and
By air flue is arranged in the piston rod of cylinder in that context it may be convenient to be passed through gas in air cavity it is not necessary to extra on mould
Open up air flue, so setting makes air flue together move it is ensured that air flue is connected with air cavity all the time with slide block simultaneously.
Preferably, described piston boit includes the sealing-plug for sealing runner and is used for the piston sliding in air cavity
Block, described slide block is provided with and obtains depressed part for accommodating sealing-plug.
By technique scheme, because piston boit needs to move back and forth in air cavity, and piston boit range of movement needs
Piston boit is therefore divided into sealing-plug and piston block, links together between piston block and sealing-plug by strict control, so alive
With under the restriction with sealing-plug for the piston block during chock motion, can only move within the specific limits, pass through to arrange depressed part simultaneously,
So that sealing-plug embeds in depressed part, facilitate moving back and forth of slide block.
Preferably, described runner is rectangular opening with slide block relative to the runner between place and slide block and die cavity.
By technique scheme, so that slide block normally slides, simultaneously so that the end of slide block is close by runner
Envelope, runner and slide block are arranged to rectangular opening relative to the part below place and slide block, and the convenient slide block of rectangular opening seals, and slides simultaneously
Out-of-flatness will not be occurred when block slides in slideway on runner.
Preferably, when described sealing-plug is located in depressed part, described air flue is turned on the air cavity above piston block.
By technique scheme, so that the gas in air flue is conveniently passed through in air cavity, it is required that air cavity and stream
Road connects all the time so that piston block is located at during the top goes back Existential Space and air cavity upper wall between so that the gas of air flue and this section
Chamber connects it is ensured that the gas in air flue can enter in air cavity all the time, convenient promotion piston boit motion.
In sum, this utility model in contrast to prior art have the beneficial effect that by arrange slide block, simultaneously in slide block
On be provided with piston boit, slide block can be pushed to runner is sealed after raw material enters in die cavity, pass through air flue in gas simultaneously
It is passed through gases at high pressure in chamber so that the runner below slide block is filled up completely with by piston boit, so in injecting products, will not produce
Product surface forms runner mouth waste material, and product surface is smooth.
Brief description
Fig. 1 is the topology view of mould in background technology；
Fig. 2 be embodiment injection start before structural representation；
Fig. 3 is the structural representation after the completion of the injection of embodiment；
Fig. 4 is the zoomed-in view at a in Fig. 2；
Fig. 5 is the zoomed-in view at b in Fig. 3.
Reference: 1, upper mould；2nd, lower mould；3rd, die cavity；4th, injection hole；5th, runner；6th, slideway；7th, slide block；8th, cylinder；9、
Piston block；10th, sealing-plug；11st, air cavity；12nd, air flue；13rd, depressed part；14th, connecting post.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
As shown in Fig. 2 a kind of product surface does not have the mould of injection hole, including upper mould 1, lower mould 2, upper mould 1 is joined with lower mould 2
Close and form die cavity 3, upper mould 1 is provided with injection hole 4, in injection hole 4, is provided with runner 5, runner 5 is cylindrical channel, runner 5
Connect with die cavity 3, in upper mould 1, runner 5 conducting is provided with slideway 6, the rectangular cross-section of slideway 6, in slideway 6, is provided with use
In the slide block 7 sealing runner 5, the rectangular cross-section of the relative runner of its middle slideway 65, slideway 6 and slideway 6 are with bottom simultaneously
The cross section of the runner 5 dividing is rectangle.
As shown in Figure 4,5, wherein, one end away from runner 5 of slide block 7 is fixed with the piston rod of cylinder 8, and slide block 7 passes through
Piston rod in slideway 6 slidably also can make one end of slide block 7 reach in runner 5, runner 5 is sealed.
As shown in figure 3, wherein, in slide block 7, one end of runner 5 is provided with air cavity 11, slides in air cavity 11 and be provided with
Piston block 9, piston block 9 is connected with sealing-plug 10, sealing-plug 10 form and dimension consistent with the shape size of runner 5,
It is connected with connecting post 14 between piston block 9 and sealing-plug 10, the bottom of air cavity 11 is provided with the opening passing through for connecting post 14,
Connecting post 14 can slidably reciprocate in the opening, is provided with the air flue 12 connecting with air cavity 11 on slide block 7, air flue 12 by with cunning
The piston rod of the cylinder 8 that block 7 is connected；Depressed part 13 is provided with slide block 7, when slide block 7 is located in slideway 6, sealing-plug 10
Be stuck in depressed part 13, the peak that piston block 9 is located in air cavity 11 when slide block 7 is located in slideway 6, at this moment, air flue 12 with
The air cavity 11 of piston block 9 top connects.
Piston block 9 and sealing-plug 10 are rectangle, and the wherein size of piston block 9 is less than the size of sealing-plug 10, connects
The length of post 14 is equal to slideway 6 with the thickness of length aerating chamber 11 opening of lower flow channel 5, when runner 5 is sealed up by sealing-plug 10
And when so that the bottom of sealing-plug 10 is maintained an equal level with the upper surface of die cavity 3, the inwall of the lower end of piston block 9 and air cavity 11 is conflicted.
As shown in Figure 4,5, during work, first will be full of raw material in die cavity 3, at this moment can reserve part sky in die cavity 3
Between be used for accommodating the raw material released by sealing-plug 10 in runner 5, start cylinder 8 afterwards so that the piston rod conflict slide block of cylinder 8
7 move in slideway 6, when the inwall of slide block 7 and runner 5 is conflicted, are passed through gases at high pressure, at this moment gases at high pressure in air flue 12
To enter in air cavity 11, these gases will promote piston block 9 to move, such piston block 9 will promote sealing-plug 10 to transport to die cavity 3 side
Dynamic, sealing-plug 10 simultaneously pushes to the raw material in runner 5 in die cavity 3, when the inwall of piston block 9 and air cavity 11 is conflicted, sealing
The lower surface of plug 10 maintains an equal level the upper wall with die cavity 3 so that die cavity 3 inner wall smooth, and the product coming at injection is not in injection
Mouth 4 waste materials；After product injection formed, negative pressure will be lined up in air cavity 11 by air flue 12, piston block 9 will in the presence of negative pressure
To air cavity 11 upper direction, at this moment sealing-plug 10 also will to slide block 7 lateral movement, until after sealing-plug 10 is located at depressed part 13,
By cylinder 8, slide block 7 is moved in slideway 6, when one end of slide block 7 is maintained an equal level with the side wall of runner 5, cylinder 8 stops fortune
Dynamic, at this moment can be molded production next time.
The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (7)
1. a kind of product surface does not have the mould of injection hole, and including upper mould (1), lower mould (2), described upper mould (1) and lower mould (2) are joined
Close and form die cavity (3), described upper mould (1) is provided with injection hole (4), in described injection hole (4), is provided with runner (5), described
Runner (5) is connected with described die cavity (3), it is characterized in that: is provided with slideway (6) in described upper mould (1), sets in described slideway (6)
It is equipped with the slide block (7) for sealing runner (5), described slideway (6) is turned on runner (5), and described upper mould (1) is provided with use
In being pushed into slide block (7) by runner (5) and the delivery device that seals runner (5), slide in described slide block (7) and be provided with use
It is provided with for driving piston in the piston boit that the runner (5) between slideway (6) and die cavity (3) is sealed, described slide block (7)
The drive division of post motion.
2. product surface according to claim 1 does not have the mould of injection hole, it is characterized in that: described runner (5) and slide block
(7) relative one section is rectangular opening, and the height of this rectangular opening is more than the thickness of slide block (7), described slide block (7) and described runner
(5) inwall laminating.
3. product surface according to claim 1 does not have the mould of injection hole, it is characterized in that: described drive division includes arranging
Air cavity (11) on slide block (7), described piston boit is slidably arranged in air cavity (11), described air cavity (11) is communicated with for
Air flue (12) to ventilation in air cavity (11).
4. product surface according to claim 3 does not have the mould of injection hole, it is characterized in that: described delivery device includes setting
Put the cylinder (8) on upper mould (1), the piston rod of described cylinder (8) is connected with slide block (7), and described air flue (12) is from cylinder (8)
Piston rod in pass through.
5. product surface according to claim 1 does not have the mould of injection hole (4), it is characterized in that: described piston boit includes
For the sealing-plug (10) sealing runner (5) and the piston block (9) being used for slip in air cavity (11), described slide block (7)
On be provided with for accommodate sealing-plug (10) depressed part (13).
6. product surface according to claim 2 does not have the mould of injection hole, it is characterized in that: described runner (5) and slide block
(7) runner (5) between place and slide block (7) and die cavity (3) is rectangular opening relatively.
7. product surface according to claim 3 does not have the mould of injection hole, it is characterized in that: described sealing-plug (10) is located at
When in depressed part (13), described air flue (12) is turned on the air cavity (11) above piston block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779236.4U CN205889742U (en) | 2016-07-20 | 2016-07-20 | Mould of not moulding plastics mouthful in product surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779236.4U CN205889742U (en) | 2016-07-20 | 2016-07-20 | Mould of not moulding plastics mouthful in product surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205889742U true CN205889742U (en) | 2017-01-18 |
Family
ID=57774237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620779236.4U Active CN205889742U (en) | 2016-07-20 | 2016-07-20 | Mould of not moulding plastics mouthful in product surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205889742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889061A (en) * | 2022-06-29 | 2022-08-12 | 成都泽雅科技发展有限公司 | Injection mold |
-
2016
- 2016-07-20 CN CN201620779236.4U patent/CN205889742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889061A (en) * | 2022-06-29 | 2022-08-12 | 成都泽雅科技发展有限公司 | Injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mould of not moulding plastics mouthful in product surface Effective date of registration: 20170905 Granted publication date: 20170118 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd Pledgor: Taizhou Huangyan Hengda Plastic Co., Ltd. Registration number: 2017330000098 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318020 No. 10 Lianping Road, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Zhejiang Hengda Plastic Co., Ltd. Address before: 318020 No. 10 Lianping Road, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Patentee before: Taizhou Huangyan Hengda Plastic Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |