CN208148386U - A kind of secondary injection molding device - Google Patents
A kind of secondary injection molding device Download PDFInfo
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- CN208148386U CN208148386U CN201820658162.8U CN201820658162U CN208148386U CN 208148386 U CN208148386 U CN 208148386U CN 201820658162 U CN201820658162 U CN 201820658162U CN 208148386 U CN208148386 U CN 208148386U
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- sliding block
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- sprue bush
- front cavity
- injection molding
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Abstract
The utility model discloses a kind of secondary injection molding devices, for by the first product and the second product injection molding, including the first sprue bush, the first front cavity, rear cavity, the first sliding block and rear mold mold insert, first sprue bush, the first front cavity, rear cavity, the first sliding block and rear mold mold insert form the cavity to match with the first product, first sliding block is slidably connected with inclined guide, the inclined guide is connect with slide device, and the slide device drives oblique guide to move up and down to drive the first sliding block to move back and forth to two sides；The injection molding apparatus further includes the second sprue bush, the second front cavity and the second sliding block for being respectively used to the first sprue bush of replacement, the first front cavity and the first sliding block, the injection molding apparatus further includes the second sprue bush, the second front cavity and the second sliding block, the cavity that second sprue bush, the second front cavity, rear cavity, the second sliding block and the first product formation and the second product match.
Description
Technical field
The utility model relates to injection mold technology more particularly to a kind of secondary injection molding devices.
Background technique
In-mould injection forming technique speed of production is fast, high-efficient, operates and automation can be achieved, designs and varieties are more, and shape can
To go from the simple to the complex, size can be descending, and product size is accurate, and product easily updates, the system of energy forming shape complexity
Part, injection molding are suitable for the processing and formings such as mass production and complex-shaped product field.Using traditional injection moulding forming method come
The mould product with certain thickness glue position is handled, after formed product, surface is easy to shrink, and contraction distortion is larger, product ruler
Very little be difficult to ensure meets the requirements, but also will affect product appearance, and the period of formed product is long, and formed product is unstable,
Product rejection rate is high.
Utility model content
The purpose of the utility model is to provide a kind of the quadric injection mould being precisely molded can be being realized by Multi-step injection molding
Molding machine.
To achieve the above object, the design utility model provides the following technical solutions：
A kind of secondary injection molding device, for by the first product and the second product injection molding, including the first sprue bush,
First front cavity, rear cavity, the first sliding block and rear mold mold insert, first sprue bush, the first front cavity, rear cavity, first
Sliding block and rear mold mold insert form the cavity to match with the first product, and first sliding block is slidably connected with inclined guide, described
Inclined guide is connect with slide device, and the slide device drives oblique guide to move up and down to drive the first sliding block reciprocal to two sides
Movement；The injection molding apparatus further include be respectively used to the first sprue bush of replacement, the first front cavity and the first sliding block the
Two sprue bush, the second front cavity and the second sliding block, the injection molding apparatus further include the second sprue bush, the second front cavity with
And second sliding block, second sprue bush, the second front cavity, rear cavity, the second sliding block and the first product formation and second produce
The matched cavity of condition.The molding machine includes two piece of first sliding block, and two piece of first sliding block is separately positioned on molding dress
The two sides set.Similarly, the molding machine includes two piece of second sliding block, and two piece of second sliding block is separately positioned on molding dress
The two sides set.
The injection molding of one mold is divided into twice by two sets of injection molds of setting, avoids once being molded by this method
When cause product shape to deform since glue position is blocked up and be unsatisfactory for actual demand, and second injection molding is in the first injection molding
It is molded on the first obtained product, the two is enabled to be fixed together to form final products well.Compared to rising, need
Two sets of equipment are used to complete quadric injection mould, this programme does not need to move the first product, in former Clamping System
Complete quadric injection mould, simpler convenience, moreover it is possible to reduce the occupied area of equipment.
Preferably, first sprue bush is connected together with the first front cavity, first front cavity and the first sliding block card
Connection is closed, second sprue bush is connected together with the second front cavity, and second front cavity is connected together with the second sliding block.
In order to avoid in injection moulding process, sprue bush and front cavity are relatively moved due to external force, cause to infuse
Modeling failure, therefore, by sprue bush and front cavity by buckle by way of link together.
Preferably, first sliding block and the second sliding block are surrounded by sliding block back wear-resistant block, first sliding block and the
The bottom of two sliding blocks is equipped with sliding block bottom wear-resistant block.
Since the first sliding block and the second sliding block can be displaced outwardly under the drive of inclined guide, avoid tying with other on the move
Abrasion occurs for structure, causes the first sliding block or the second sliding block that can not cooperatively form type chamber with other components, so being added in this method
Wear-resistant block, with reduce rub brought by abrasion.
Preferably, the injection molding apparatus includes the cooling mold insert of rear mold, and the rear mold mold insert is sheathed on the cooling edge of rear mold
On part, the cooling mold insert of the rear mold is equipped with through-hole and is used to pass through to flowing water or air to accelerate the cold of the first product and the second product
But the time.
Since this technology needs to be molded twice, the plenty of time can be wasted, so it is cold that rear mold is added in this method at rear mold
But mold insert shortens the injection molding spent time, improves efficiency for cooling down rear mold cooling first product and the second product in turn.
Preferably, the slide device includes A plate and the driving device for driving A plate mobile, the A plate with tiltedly lead
Bar is fixedly connected, and the A plate is equipped with the upper plenum for accommodating the first sprue bush and the first front cavity, and the upper plenum is distinguished
Engage with the first sprue bush and the first front cavity.
Preferably, the upper plenum can also accommodate the second sprue bush and the second front cavity, and the upper plenum is respectively with
Two sprue bush and the engaging of the second front cavity.
Due to the utility model need repeatedly repeatedly install the first sprue bush, the second sprue bush, the first front cavity and
Second front cavity, thus by by upper plenum respectively with mould before the first sprue bush, the second sprue bush, the first front cavity and second
Benevolence engaging, so that stability and leakproofness can be more preferable after more convenient during installation and installation.
Preferably, the secondary injection molding device further include with the first sliding block and the matched sliding groove of the second sliding block with
And locating piece, for limiting the motion track of the first sliding block and the second sliding block, so that two piece of first sliding block/second sliding block is molding
When can only move towards in the horizontal direction, can only be in the horizontal direction backwards to mobile when die sinking.
It avoids deviating when the first sliding block is mobile with the second sliding block with locating piece by the way that sliding groove is arranged, causes to be molded
Failure.And sliding groove and locating piece also form the installation slot position to match with the first sliding block and the second sliding block, so that the
One sliding block and the second sliding block can be smoothly mounted in the secondary injection molding device according to slot position.
Preferably, the thickness of the second product side wall thinnest part is not more than 2mm, most preferably 1mm.
Preferably, under sustained height, the sidewall thickness of the sidewall thickness of the second product and the first product be not much different in
5mm。
A kind of secondary injection molding method using such as above-mentioned injection molding apparatus, includes the following steps：
Adapted to injection system in S1, secondary injection molding device is slided toward the first sprue bush, the first front cavity, rear cavity, first
Block and rear mold mold insert, which are formed in the cavity to match with the first product, injects thermoplastic；
S2, thermoplastic is waited to be cooled into the first product；
S3, starting slide device drive inclined guide to move up, and inclined guide drives the first sliding block mobile to two sides, and
To slot milling above the first sprue bush and the first front cavity.
S4, the first sprue bush, the first front cavity and the first sliding block are changed to the second sprue bush, the second front cavity and
Second sliding block；
S5, starting slide device drive inclined guide to move down, and inclined guide drives the first sliding block mobile to centre, and
A plate in slide device compresses the first sprue bush and the first front cavity to fix the first sprue bush and the first front cavity；
Adapted to injection system in S6, secondary injection molding device is slided toward the second sprue bush, the second front cavity, rear cavity, second
Thermoplastic is injected in the cavity that block and the first product formation and the second product match；
S7, thermoplastic is waited to be cooled into the second product.
Mainly pass through the opening of slide device moved up to realization to injection molding apparatus, Ren Menke in this method
With from top assembly sprue bush and front cavity, and the first sliding block and the second sliding block can be installed from side, and do not need
Mobile rear cavity and the first product, reduce workload, improve efficiency.
Beneficial effect：
（1）This programme does not need to move the first product, quadric injection mould can be completed in former Clamping System, more
It is simple and convenient, moreover it is possible to reduce the occupied area of equipment.
（2）Each part, which cooperates, to be buckled, and there is a situation where movements to occur for part when reducing injection molding, it is ensured that injection moulding process
Accuracy.
（3）And by the way that cooling mold insert is arranged, accelerates the cooling time of quadric injection mould, improve working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model when preparing the first product.
Fig. 2 is the structural schematic diagram of the utility model when preparing the second product.
It is identified in figure：1, A plate；2, the first sprue bush；3, the first front cavity；4, inclined guide pillar；5, the first sliding block；6, rear mold
Benevolence；7, rear mold mold insert；8, the cooling mold insert of rear mold；9, the first product；10, the second sprue bush；11, the second front cavity；12, second is sliding
Block；13, the second product.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
Embodiment 1
As shown in Figure 1, a kind of secondary injection molding device, is used for the first product and the second product injection molding, including
First sprue bush 2, the first front cavity 3, rear cavity 6, the first sliding block 5 and rear mold mold insert 7, before first sprue bush 2, first
Mode 3, rear cavity 6, the first sliding block 5 and rear mold mold insert 7 form the cavity to match with the first product 9, first sliding block
Be slidably connected with inclined guide 4, the inclined guide 4 is connect with slide device, the slide device drive oblique guide 4 move up and down from
And the first sliding block 5 is driven to move back and forth to two sides；As shown in Fig. 2, the injection molding apparatus further includes the second sprue bush 10,
Two front cavitys 11 and the second sliding block 12, second sprue bush 10, the second front cavity 11, rear cavity 6, the second sliding block 12 and
First product 9 forms the cavity to match with the second product 13, and second sliding block 12 is slidably connected with inclined guide 4.
Preferably, first sprue bush 2 is connected together with the first front cavity 3, first front cavity 3 and the first sliding block
5 are connected together, and second sprue bush 10 is connected together with the second front cavity 11, second front cavity 11 and the second sliding block 12
It is connected together.
In order to avoid in injection moulding process, sprue bush and front cavity are relatively moved due to external force, cause to infuse
Modeling failure, therefore, by sprue bush and front cavity by buckle by way of link together.
Preferably, the sliding block that is surrounded by of first sliding block 5 and the second sliding block 12 carries on the back wear-resistant block, first sliding block 5
Sliding block bottom wear-resistant block is equipped with the bottom of the second sliding block 12.
Since the first sliding block 5 and the second sliding block 12 can be displaced outwardly under the drive of inclined guide 4, avoid on the move and its
Abrasion occurs for structure in he, causes the first sliding block 5 or the second sliding block 12 that can not cooperatively form type chamber with other components, so this method
In joined wear-resistant block, with reduce rub brought by abrasion.
Preferably, the injection molding apparatus includes the cooling mold insert 8 of rear mold, and it is cooling that the rear mold mold insert 7 is sheathed on rear mold
On mold insert 8, the cooling mold insert 8 of the rear mold is equipped with through-hole and is used for flowing water or air by being produced with accelerating the first product 9 and second
The cooling time of product 13.
Since this technology needs to be molded twice, the plenty of time can be wasted, so it is cold that rear mold is added in this method at rear mold
But mold insert 8 shortens the injection molding spent time, improves and imitate for cooling down rear mold cooling first product 9 and the second product 13 in turn
Rate.
The slide device includes A plate 1 and the driving device driving device for driving A plate 1+ mobile, the A plate 1
It is fixedly connected with inclined guide 4, the A plate 1 is equipped with the upper plenum for accommodating the first sprue bush 2 and the first front cavity 3, and described
Upper plenum engages with the first sprue bush 2 and the first front cavity 3 respectively.
The upper plenum can also accommodate the second sprue bush 10 and the second front cavity 11, and the upper plenum is poured with second respectively
Muzzle 10 and the engaging of the second front cavity 11.
Preferably, the secondary injection molding device further includes and the first sliding block 5 and the matched sliding of the second sliding block 12
Slot and locating piece, for limiting the motion track of the first sliding block 5 and the second sliding block 12, so that two piece of first sliding block/second is sliding
Block can only move towards in the horizontal direction in molding, can only be in the horizontal direction backwards to mobile when die sinking.
The second product side wall thinnest part with a thickness of 1mm.
Preferably, under sustained height, the sidewall thickness of the sidewall thickness of the second product and the first product be not much different in
5mm。
A kind of secondary injection molding method using such as above-mentioned injection molding apparatus, includes the following steps：
Adapted to injection system in S1, secondary injection molding device is toward the first sprue bush 2, the first front cavity 3, rear cavity 6, first
Sliding block 5 and rear mold mold insert 7, which are formed in the cavity to match with the first product 9, injects thermoplastic；
S2, thermoplastic is waited to be cooled into the first product 9；
S3, starting slide device drive inclined guide 4 to move up, and inclined guide 4 drives the first sliding block 5 mobile to two sides,
And give 3 top slot milling of the first sprue bush 2 and the first front cavity.
S4, the first sprue bush 2, the first front cavity 3 and the first sliding block 5 are changed to mould before the second sprue bush 10, second
Benevolence 11 and the second sliding block 12；
S5, starting slide device drive inclined guide 4 to move down, and inclined guide 4 drives the first sliding block 5 mobile to centre,
And the A plate 1 in slide device compresses the first sprue bush 2 and the first front cavity 3 to fix the first sprue bush 2 and the first front cavity
3；
Adapted to injection system in S6, secondary injection molding device is toward the second sprue bush 10, the second front cavity 11, rear cavity 6,
Two sliding blocks 12 and the first product 9, which are formed in the cavity to match with the second product 13, injects thermoplastic；
S7, thermoplastic is waited to be cooled into the second product 13.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (9)
1. a kind of secondary injection molding device, for by the first product and the second product injection molding, which is characterized in that including the
One sprue bush, the first front cavity, rear cavity, the first sliding block and rear mold mold insert, first sprue bush, the first front cavity, after
Mode, the first sliding block and rear mold mold insert form the cavity to match with the first product, and first sliding block and inclined guide slide
Connection, the inclined guide are connect with slide device, and the slide device drives oblique guide to move up and down to drive the first sliding block
It is moved back and forth to two sides；The injection molding apparatus further includes being respectively used to the first sprue bush of replacement, the first front cavity and the
The second sprue bush, the second front cavity and the second sliding block of one sliding block, second sprue bush, the second front cavity, rear cavity,
The cavity that two sliding blocks and the first product formation and the second product match, second sliding block are slidably connected with inclined guide.
2. a kind of secondary injection molding device according to claim 1, which is characterized in that first sprue bush and first
Front cavity is connected together, and first front cavity is connected together with the first sliding block, second sprue bush and the second front cavity card
Connection is closed, second front cavity is connected together with the second sliding block.
3. a kind of secondary injection molding device according to claim 1, which is characterized in that first sliding block and second is slided
Block is surrounded by sliding block back wear-resistant block, and the bottom of first sliding block and the second sliding block is equipped with sliding block bottom wear-resistant block.
4. a kind of secondary injection molding device according to claim 1, which is characterized in that it further include the cooling mold insert of rear mold,
The rear mold mold insert is sheathed on the cooling mold insert of rear mold, and the cooling mold insert of the rear mold is equipped with through-hole for passing through to flowing water or air
To accelerate the cooling time of the first product and the second product.
5. a kind of secondary injection molding device according to claim 1, which is characterized in that the slide device includes A plate
And the driving device for driving A plate mobile, the A plate are fixedly connected with inclined guide, the A plate is equipped with for accommodating first
The upper plenum of sprue bush and the first front cavity, and the upper plenum engages with the first sprue bush and the first front cavity respectively.
6. a kind of secondary injection molding device according to claim 5, which is characterized in that the upper plenum can also accommodate
Two sprue bush and the second front cavity, and the upper plenum engages with the second sprue bush and the second front cavity respectively.
7. a kind of secondary injection molding device according to claim 1, which is characterized in that further include with the first sliding block and
The matched sliding groove of second sliding block and locating piece, for limiting the motion track of the first sliding block and the second sliding block.
8. a kind of secondary injection molding device according to claim 1, which is characterized in that the second product side wall is most thin
The thickness at place is not more than 2mm.
9. a kind of secondary injection molding device according to claim 1, which is characterized in that preferably, under sustained height,
The sidewall thickness of the sidewall thickness of second product and the first product is not much different in 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658162.8U CN208148386U (en) | 2018-05-04 | 2018-05-04 | A kind of secondary injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658162.8U CN208148386U (en) | 2018-05-04 | 2018-05-04 | A kind of secondary injection molding device |
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| CN208148386U true CN208148386U (en) | 2018-11-27 |
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| CN201820658162.8U Active CN208148386U (en) | 2018-05-04 | 2018-05-04 | A kind of secondary injection molding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927823A (en) * | 2021-10-29 | 2022-01-14 | 深圳市安盛模具有限公司 | Solve two-color mold injection molding in-process flexible glue overflow structure of gluing |
-
2018
- 2018-05-04 CN CN201820658162.8U patent/CN208148386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927823A (en) * | 2021-10-29 | 2022-01-14 | 深圳市安盛模具有限公司 | Solve two-color mold injection molding in-process flexible glue overflow structure of gluing |
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