CN204278329U - Facilitate the assembling die of the back-off structure demoulding - Google Patents
Facilitate the assembling die of the back-off structure demoulding Download PDFInfo
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- CN204278329U CN204278329U CN201420781718.4U CN201420781718U CN204278329U CN 204278329 U CN204278329 U CN 204278329U CN 201420781718 U CN201420781718 U CN 201420781718U CN 204278329 U CN204278329 U CN 204278329U
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- mold core
- plastic rubber
- combination mold
- rubber case
- core rod
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Abstract
Facilitate the assembling die of the back-off structure demoulding, its structure comprises combination mold core, and combination mold core is covered with plastic rubber case, and the back-off portion of combination mold core embeds in the back-off structure of plastic rubber case, and lower bolster is provided with the liftout attachment for being ejected by built-up pattern.During the layer of silica gel compression molding of containment vessel, first combination mold core is positioned in the container cavity of plastic rubber case, then plastic rubber case is buckled in middle template together with combination mold core, scribbles silica gel at the outer surface of plastic rubber case, matched moulds compression molding; When die sinking, combination mold core ejects together with plastic rubber case by liftout attachment, is then taken out in the container cavity of plastic rubber case by combination mold core, completes the demoulding of product.The utility model is by ejecting combination mold core the demoulding realizing product back-off structure together with plastic rubber case, the demoulding is quick, convenient, greatly enhances productivity, and ejection process firmly evenly, avoid deformation of products, ensure that product size is accurate, structure is simple in addition, design cost is low.
Description
Technical field
The invention relates to technical field of mold, is specifically related to a kind of assembling die facilitating the back-off structure demoulding.
Background technology
At present, the outside of the electronic product such as mobile phone, panel computer is generally all arranged with protecting sheathing, to play the protective effect of anti-skidding, shatter-resistant and anti-scratch.
In the production process of containment vessel; for making containment vessel, there is good crash resistance and structural strength; containment vessel is generally form plastic rubber case by plastic material injection moulding; in order to increase the smooth performance of containment vessel outside, texture and wearability further; the outside of plastic rubber case also needs to enclose one deck silica gel, and namely assembling die is the mould for being attached to securely, equably by silica gel in plastic rubber case.Because containment vessel generally all has the back-off structure playing fixed product; mould of the prior art needs design complicated back-off ejecting mechanism the product with back-off structure could be ejected; knockout course is loaded down with trivial details; production cost is caused to increase; production efficiency reduces; and the back-off ejecting mechanism of complexity is also easy to cause the ejecting force be applied on product uneven and causes deformation of products, and then has a strong impact on product size.
Summary of the invention
The object of the invention is for deficiency of the prior art, and provides the assembling die that a kind of structure is simple, low cost, high efficiency, product size facilitate the back-off structure demoulding accurately.
The object of the invention is achieved through the following technical solutions:
A kind of assembling die facilitating the back-off structure demoulding is provided, comprise cope match-plate pattern, lower bolster and be arranged at the middle template between cope match-plate pattern and lower bolster, combination mold core is placed with in described middle template, described combination mold core is covered with plastic rubber case, the back-off portion of described combination mold core embeds in the back-off structure of plastic rubber case, and described lower bolster is provided with the liftout attachment for being ejected by described built-up pattern.
Wherein, described assembling die also comprises the side through hole core rod of the side through hole inserting plastic rubber case.
Wherein, described combination mold core also comprises the ejection part abutted with described liftout attachment.
Wherein, described ejection part inserts ejecting in hole of described middle template.
Wherein, described liftout attachment comprises the liftout plate being built in described lower bolster and the knock-pin ejected described in insertion in hole, and described liftout plate promotes to eject hole described in described knock-pin edge and slides to eject described combination mold core.
Wherein, described combination mold core comprises the first core rod, the second core rod and the 3rd core rod, described first core rod, the second core rod are all supported described 3rd core rod and are formed an open-ended cavity with described 3rd core rod, are provided with the location-plate for fixing described first core rod, the second core rod and the 3rd core rod position in described open-ended cavity.
Wherein, described location-plate is provided with the handle being convenient to plug.
The beneficial effect of the invention:
The assembling die facilitating the back-off structure demoulding of the invention, comprise combination mold core, during the layer of silica gel compression molding of containment vessel, first combination mold core is positioned in the container cavity of plastic rubber case, whole back-off structure of plastic rubber case are made all to be embedded with the back-off portion of combination mold core, then plastic rubber case is buckled in middle template together with combination mold core, silica gel is scribbled at the outer surface of plastic rubber case, cope match-plate pattern matched moulds starts compression molding, when die sinking, combination mold core ejects together with plastic rubber case by liftout attachment, and can take out with in plastic rubber case therefrom template, then combination mold core is taken out in the container cavity of plastic rubber case, complete the demoulding of product.Relative to prior art, the assembling die of the invention is by ejecting combination mold core the demoulding realizing product back-off structure together with plastic rubber case, the demoulding fast, conveniently, greatly enhance productivity, and ejection process firmly evenly, avoid deformation of products, ensure that product size is accurate, structure is simple in addition, design cost is low.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further the invention, but the embodiment in accompanying drawing does not form any restriction to the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of plastic rubber case in prior art;
Fig. 2 is the cross-sectional structure schematic diagram of plastic rubber case in prior art.
Include in Fig. 1 and Fig. 2:
Plastic rubber case 1, back-off structure 11, side through hole 12.
Fig. 3 is the structural representation of the embodiment 1 of the invention;
Fig. 4 is the structural representation after the demoulding of the embodiment 1 of the invention;
Fig. 5 is the structural representation of the embodiment 2 of the invention;
Fig. 6 is the structural representation after the demoulding of the embodiment 2 of the invention.
Include in Fig. 3 to Fig. 6:
Cope match-plate pattern 2, lower bolster 3, middle template 4, eject hole 41;
Combination mold core 5, back-off portion 51, ejection part 52, first core rod 53, second core rod 54;
Liftout attachment 6, liftout plate 61, knock-pin 62;
Side through hole core rod 7.
Detailed description of the invention
With the following Examples the invention is further described.
embodiment 1
The a kind of of the invention facilitates one of detailed description of the invention of the assembling die of the back-off structure demoulding, as shown in Figure 3, the middle template 4 comprising cope match-plate pattern 2, lower bolster 3 and be arranged between cope match-plate pattern 2 and lower bolster 3, combination mold core 5 is placed with in described middle template 4, described combination mold core 5 is covered with plastic rubber case 1, as depicted in figs. 1 and 2, the back-off portion 51 of described combination mold core 5 embeds in the back-off structure 11 of plastic rubber case 1, and described lower bolster 3 is provided with the liftout attachment 6 for being ejected by described built-up pattern.
During the layer of silica gel compression molding of containment vessel, first combination mold core 5 is positioned in the container cavity of plastic rubber case 1, whole back-off structure 11 of plastic rubber case 1 are made all to be embedded with the back-off portion 51 of combination mold core 5, then plastic rubber case 1 is buckled in middle template 4 together with combination mold core 5, coat silica gel at the outer surface of plastic rubber case 1, the 2-in-1 mould of cope match-plate pattern starts compression molding; As shown in Figure 4, during die sinking, combination mold core 5 ejects together with plastic rubber case 1 by liftout attachment 6, and can take out with in plastic rubber case 1 therefrom template 4, and then combination mold core 5 is taken out in the container cavity of plastic rubber case 1, complete the demoulding of product, combination mold core 5 is positioned in the container cavity of another plastic rubber case 1 again, enters next circulation.The invention is by ejecting combination mold core 5 demoulding realizing product back-off structure 11 together with plastic rubber case 1, the demoulding is quick, convenient, greatly enhances productivity, and ejection process firmly evenly, avoids deformation of products, ensures that product size is accurate.
For convenience of ejecting of combination mold core 5, described combination mold core 5 also comprises the ejection part 52 abutted with described liftout attachment 6, what described ejection part 52 inserted described middle template 4 ejects in hole 41, eject 41 pairs, hole combination mold core 5 and play certain positioning action, when making plastic rubber case 1 be buckled in middle template 4 together with combination mold core 5, can ensure that the back-off portion 51 of combination mold core 5 is accurately embedded in the back-off structure 11 of plastic rubber case 1, and when the demoulding, ejection part 52 eject in hole 41 slide positioning action is played to ejection part 52.
Further, liftout attachment 6 comprises the liftout plate 61 being built in described lower bolster 3 and the knock-pin 62 ejected described in insertion in hole 41, and described liftout plate 61 promotes described knock-pin 62 and slides to eject described combination mold core 5 along the described hole 41 that ejects.
In the present embodiment, described combination mold core 5 comprises the first core rod 53, second core rod 54 and the 3rd core rod, in figure 3 and Fig. 4 in do not show the 3rd core rod, described first core rod 53, second core rod 54 all support described 3rd core rod and with its formation one open-ended cavity, be provided with the location-plate for fixing described first core rod 53, second core rod 54 and the 3rd core rod position in described open-ended cavity.After in container cavity combination mold core 5 being positioned over plastic rubber case 1, by in location-plate insertion opening cavity, the 3rd core rod is supported at the top of location-plate, and the both sides of location-plate support the first core rod 53, second core rod 54 respectively, and the first core rod 53, second core rod 54 and the 3rd core rod are accurately located; In plastic rubber case 1 is buckled in together with combination mold core 5 after template 4, during the ejection part 52 of combination mold core 5 inserts template 4 eject in hole 41, combination mold core 5 is located, now extracts location-plate out, then matched moulds compression molding.
Further, described location-plate is provided with the handle being convenient to plug.
The casing protected in the present embodiment is not confined to plastic rubber case 1, also comprises the housing of other materials, and on casing, the protective layer of compression molding is also not limited to the protective layer of silica gel material.
embodiment 2
A kind of detailed description of the invention two facilitating the assembling die of the back-off structure demoulding of the invention, as Fig. 5, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation in embodiment 1, no longer repeat at this.The difference of the present embodiment and embodiment 1 is: described assembling die also comprises the side through hole core rod 7 of the side through hole 12 inserting plastic rubber case 1.Plastic rubber case of the prior art as depicted in figs. 1 and 2, the sidepiece of general containment vessel all offers the side through hole 12 passed for switch key or sound button, when the layer of silica gel compression molding of containment vessel, first combination mold core 5 is positioned in the container cavity of plastic rubber case 1, location-plate is inserted in open-ended cavity, then plastic rubber case 1 is buckled in middle template 4 together with combination mold core 5, after now extracting location-plate, side through hole core rod 7 is inserted the side through hole 12 of plastic rubber case 1, and then coat silica gel at the outer surface of plastic rubber case 1, the 2-in-1 mould of cope match-plate pattern starts compression molding; And in the present embodiment as shown in Figure 6, during die sinking, combination mold core 5 ejects together with plastic rubber case 1 by liftout attachment 6, is then extracted by the side through hole 12 of side through hole core rod 7 from plastic rubber case 1, again combination mold core 5 is taken out in the container cavity of plastic rubber case 1, complete the demoulding of product.Side through hole core rod 7 avoids layer of silica gel to cover in side through hole 12, affects product quality.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the invention; but not the restriction to the invention protection domain; although done to explain to the invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the invention or equivalent replacement, and not depart from essence and the scope of the invention technical scheme.
Claims (7)
1. facilitate the assembling die of the back-off structure demoulding, comprise cope match-plate pattern, lower bolster and be arranged at the middle template between cope match-plate pattern and lower bolster, it is characterized in that: in described middle template, be placed with combination mold core, described combination mold core is covered with plastic rubber case, the back-off portion of described combination mold core embeds in the back-off structure of plastic rubber case, and described lower bolster is provided with the liftout attachment for being ejected by described built-up pattern.
2. the assembling die facilitating the back-off structure demoulding according to claim 1, is characterized in that: described assembling die also comprises the side through hole core rod of the side through hole inserting plastic rubber case.
3. the assembling die facilitating the back-off structure demoulding according to claim 1, is characterized in that: described combination mold core also comprises the ejection part abutted with described liftout attachment.
4. the assembling die facilitating the back-off structure demoulding according to claim 3, is characterized in that: described ejection part inserts ejecting in hole of described middle template.
5. the assembling die facilitating the back-off structure demoulding according to claim 4, it is characterized in that: described liftout attachment comprises the liftout plate being built in described lower bolster and the knock-pin ejected described in insertion in hole, described liftout plate promotes to eject hole described in described knock-pin edge and slides to eject described combination mold core.
6. the assembling die facilitating the back-off structure demoulding according to claim 1 or 3, it is characterized in that: described combination mold core comprises the first core rod, the second core rod and the 3rd core rod, described first core rod, the second core rod are all supported described 3rd core rod and are formed an open-ended cavity with described 3rd core rod, are provided with the location-plate for fixing described first core rod, the second core rod and the 3rd core rod position in described open-ended cavity.
7. the assembling die facilitating the back-off structure demoulding according to claim 6, is characterized in that: described location-plate is provided with the handle being convenient to plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420781718.4U CN204278329U (en) | 2014-12-12 | 2014-12-12 | Facilitate the assembling die of the back-off structure demoulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420781718.4U CN204278329U (en) | 2014-12-12 | 2014-12-12 | Facilitate the assembling die of the back-off structure demoulding |
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| CN204278329U true CN204278329U (en) | 2015-04-22 |
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| CN201420781718.4U Active CN204278329U (en) | 2014-12-12 | 2014-12-12 | Facilitate the assembling die of the back-off structure demoulding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393524A (en) * | 2016-08-31 | 2017-02-15 | 英诺莱比（北京）科技有限公司 | Manufacturing method of low-pressure perfusion mold using silica gel sliding block |
| CN109779719A (en) * | 2019-02-26 | 2019-05-21 | 青岛华涛汽车模具有限公司 | A kind of big machine oil reserves plastic oil pan and its big back-off manufacture mold |
-
2014
- 2014-12-12 CN CN201420781718.4U patent/CN204278329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393524A (en) * | 2016-08-31 | 2017-02-15 | 英诺莱比（北京）科技有限公司 | Manufacturing method of low-pressure perfusion mold using silica gel sliding block |
| CN109779719A (en) * | 2019-02-26 | 2019-05-21 | 青岛华涛汽车模具有限公司 | A kind of big machine oil reserves plastic oil pan and its big back-off manufacture mold |
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