CN102463645A - Mold - Google Patents
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- CN102463645A CN102463645A CN2010105505108A CN201010550510A CN102463645A CN 102463645 A CN102463645 A CN 102463645A CN 2010105505108 A CN2010105505108 A CN 2010105505108A CN 201010550510 A CN201010550510 A CN 201010550510A CN 102463645 A CN102463645 A CN 102463645A
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- thimble
- die
- die holder
- mould
- air pressure
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Abstract
The invention discloses a mold, which comprises a body, at least one ejector pin and an air supply unit, wherein the body is provided with a forming chamber and an air pressure chamber, the forming chamber is applicable to forming workpieces, and the ejector pin is arranged on the body in a penetrating way and is provided with an ejection end and an abutting end, wherein the abutting end is positioned in the air pressure chamber, and the ejection end extends towards the forming chamber from the air pressure chamber. The air supply unit is connected to the air pressure chamber, when the workpieces are formed in the forming chamber, and the air supply unit provides air to the air pressure chamber for ejecting and pushing the abutting end of the ejector pin and driving the ejection end of the ejector pin for ejecting the workpieces away from the body. The mold has the advantage that a simple pushing-off structure with low cost is adopted for taking out the workpieces.
Description
Technical field
The invention relates to a kind of mould, and particularly a kind of mould that utilizes gas pressure to take out workpiece.
Background technology
The flush type shaping dies is in technology now, and the field of application is quite extensive, is specially adapted to combine two kinds of materials with different properties.But the push rod drive that its structure is still with injection machine is arranged on the liftout plate in the mould, so that the thimble that is configured on the liftout plate ejects the workpiece on the die holder.This measure lets mould complexity because of its structure when design and making cause the suitable puzzlement of related personnel, and it is not only made consuming time and needs higher cost.Moreover, because thimble need be fixed on the liftout plate,, and can't reduce effectively so die holder has just occupied bigger space.
Summary of the invention
The present invention provides a kind of mould, and it has the offpushing structure that more simply reaches lower cost to take out workpiece.
One embodiment of the invention propose a kind of mould, comprise a body, at least one thimble and an air supply unit.Body has a moulding chamber and an air pressure chamber, and wherein the moulding chamber is suitable for moulding one workpiece.Thimble is located on the body.Thimble has one and ejects end and one compress end, wherein compresses end and is arranged in the air pressure chamber, ejects end and extends towards the moulding chamber from the air pressure chamber.Air supply unit is connected to the air pressure chamber.When workpiece in the moulding chamber after the moulding, air supply unit provides the compress end of gas to air pressure chamber with the pushing tow thimble, and drive thimble eject end with the workpiece top from body.
In one embodiment of this invention, above-mentioned body comprises one first die holder and one second die holder.Second die holder removably is assembled to first die holder, so that first die holder and the folding each other of second die holder, and second die holder has above-mentioned air pressure chamber, and thimble is configured in second die holder versatilely.
In one embodiment of this invention, above-mentioned body more comprises one first die and one second die, and wherein first die removably is assembled on first die holder, and second die removably is assembled on second die holder.When first die holder was closed with respect to second die holder, first die and second die were closed each other and form above-mentioned moulding chamber, and thimble is arranged in second die holder and second die movably.
In one embodiment of this invention, above-mentioned workpiece is after the moulding of moulding chamber, and first die holder launches with respect to second die holder, and workpiece is retained on second die of second die holder.The gas that end receives gas cell and provide of compressing of thimble compresses and drives and eject end and expose second die, with the workpiece top from second die.
In one embodiment of this invention, more comprise at least one seal, be set on the thimble and between thimble and body.
In one embodiment of this invention, above-mentioned thimble has one and compresses end and a plurality of ends that eject, and these eject end and extend towards the moulding chamber from compressing end respectively.
In one embodiment of this invention, above-mentioned body has a plurality of gas accesses, is connected to air supply unit respectively.At least one thimble comprises a plurality of thimbles, and respectively corresponding these gas accesses of these thimbles.
In one embodiment of this invention, above-mentioned mould is to imbed the ejaculation type die.
Based on above-mentioned, in the above embodiment of the present invention, mould is by the air supply unit that is arranged on intrinsic air pressure chamber and connects this air pressure chamber, to let after the Workpiece shaping, compresses thimble and the workpiece pushing tow is gone out body by gas pressure.This measure replaces known push rod with injection machine as the power resources that promote thimble with gas pressure; Not only can reduce the size and the cost of manufacture of mould effectively, more can improve the make efficiency of mould effectively because of the thimble structure handling ease that promotes with gas pressure.
Description of drawings
For let above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, elaborate below in conjunction with the accompanying drawing specific embodiments of the invention, wherein:
Fig. 1 and Fig. 2 are respectively the generalized sections according to a kind of mould of one embodiment of the invention.
Fig. 3 is the generalized section of a kind of mould of another embodiment of the present invention.
Fig. 4 is the generalized section of a kind of mould of further embodiment of this invention.
The main element symbol description:
100: mould
110,410: body
111: the first die holders
112: the moulding chamber
113: the second die holders
114,414: the air pressure chamber
115: the first dies
117: the second dies
120,320: thimble
122,322: eject end
124,324: compress end
130: air supply unit
140: seal
200: workpiece
The specific embodiment
Fig. 1 and Fig. 2 are respectively the generalized sections according to a kind of mould of one embodiment of the invention.Fig. 1 illustrates the state of workpiece after by the thimble pushing tow, and Fig. 2 illustrates the workpiece state during moulding not as yet.Please be simultaneously with reference to figure 1 and Fig. 2, in the present embodiment, mould 100 for example is to imbed the ejaculation type die, it comprises a body 110, a plurality of thimble 120 and an air supply unit 130.Body 110 has a moulding chamber 112 and an air pressure chamber 114, and wherein moulding chamber 112 is suitable for moulding one workpiece 200, and air pressure chamber 114 connects air supply unit 130.Thimble 120 is located in respectively on the body 110, and thimble 120 has one and eject end 122 and and compress end 124, wherein compresses end and 124 is arranged in air pressure chamber 114, eject end 122 from air pressure chamber 114 towards 112 extensions of moulding chamber.When workpiece 200 in moulding chamber 112 after the moulding; Air supply unit 130 can provide gas to air pressure chamber 114; And by gas pressure pushing tow thimble 120 compress end 124, move towards workpiece 200 with the end 122 of ejecting that drives thimble 120, so with workpiece 200 tops from body 110.
Based on above-mentioned, mould 100 as the power that thimble 120 is moved, promotes thimble 120 workpiece 200 ejected the purpose of body 110 and reach equally by gas pressure.This measure lets mould 10 not only have easy structure just can accomplish above-mentioned action; More owing to save known push rod with injection machine as the power resources that promote thimble 120, thereby mould 100 is also more simple and have a lower cost of manufacture on structural design.
Details are as follows again, and in the present embodiment, the body 110 of mould 100 comprises one first die holder 111, one second die holder 113, one first die 115 and one second die 117 in addition.First die holder 111 and second die holder 113 removably fit together each other; Thereby be assembled to after injection machine (not illustrating) goes up when mould 100, drive and make first die holder 111 and second die holder 113 illustrate each other folding relatively by the mechanism of injection machine as Fig. 1 and Fig. 2.In the present embodiment, first die holder 111 for example is a female die seat, and second die holder 113 for example is a male die seat, and second die holder 113 has above-mentioned air pressure chamber 114, and thimble 120 is configured in second die holder 113 versatilely.Moreover first die 115 for example is a female die core, and second die 117 for example is the male model die, and it is configured in respectively on first die holder 111 and second die holder 113.When first die holder 111 was closed with respect to second die holder 113, first die 115 and second die 117 be closures and form above-mentioned moulding chamber 112 each other, and thimble 120 is located in second die holder 113 and second die 117 movably.
Thus, after first die holder 111 and second die holder, 113 mutual closures, injection machine is by being workpiece 200 with workpiece colloid injection moulding chamber 112 and coagulation forming.Then, after injection machine drove first die holder 111 and second die holder 113 and launches relative to one another, workpiece 200 can be retained on second die 117.This moment, air supply unit 130 just provided gas to air pressure chamber 114; Promote thimble 120 by the compressing end 124 of gas compressing thimble 120; And then let the end 122 that ejects of thimble 120 move towards workpiece 200 via second die holder 113 and second die 117, finally let eject and hold 122 to protrude in second die 117 and workpiece 200 pushing tows are gone out outside second die 117.
In addition, it should be noted that mould 100 more comprises a plurality of seals 140, for example is sealing ring, and it is set on the thimble 120 respectively and between thimble 120 and body 110.Whereby; When air supply unit 130 is sent to air pressure chamber 114 with gas; Gas not can via thimble 120 on second die holder 113 and second die 117 perforating and leak to outside the mould 100 so that keep enough gas pressure in the air pressure chamber 114 with pushing tow thimble 120.
Fig. 3 is the generalized section of a kind of mould of another embodiment of the present invention.Please refer to Fig. 3, different with the foregoing description is, thimble 320 has one and compresses end 324 and eject end 322 with a plurality of, and ejects end 322 and extend towards moulding chamber 112 from compressing end 324 respectively.In other words, the thimble 320 of present embodiment by a plurality of eject end 322 shared one compress end 324, all can be consistent and make each eject end 322 with respect to the shift motion of body 110.
But present embodiment does not limit the consistent structural shape of shift motion that makes thimble 320, and Fig. 4 is the generalized section of a kind of mould of further embodiment of this invention.Please refer to Fig. 4; Different with the foregoing description is; The body 410 of present embodiment has a plurality of air pressure chambers 414, and it is connected to air supply unit 130 respectively, and these air pressure chambers 414 correspond to above-mentioned these thimbles 120 respectively; That is the end 124 that compresses of each thimble 120 all is arranged in corresponding air pressure chamber 414, equally also can let thimble 120 keep homogenization with respect to the shift motion of body 410.
In sum, in the above embodiment of the present invention, mould is by the air supply unit that is arranged on intrinsic air pressure chamber and connects this air pressure chamber, to let after the Workpiece shaping, compresses thimble and the workpiece pushing tow is gone out body by gas pressure.This measure replaces known push rod with injection machine as the power resources that promote thimble with gas pressure; Not only can reduce the size and the cost of manufacture of mould effectively, more can improve the make efficiency of mould effectively because of the thimble structure handling ease that promotes with gas pressure.
Though the present invention discloses as above with preferred embodiment; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little modification and perfect, so protection scope of the present invention is when being as the criterion with what claims defined.
Claims (8)
1. mould comprises:
One body has a moulding chamber and an air pressure chamber, and wherein this moulding chamber is suitable for moulding one workpiece;
At least one thimble is located on this body, and this thimble has to eject holds and compress end, and wherein this compresses to hold and is arranged in this air pressure chamber, and this ejects end and extends towards this moulding chamber from this air pressure chamber; And
One air supply unit is connected to this air pressure chamber, when this workpiece in this moulding chamber after the moulding, this air supply unit provides gas to this air pressure chamber to compress end with this of this thimble of pushing tow, and drive this thimble this eject end with this workpiece top from this body.
2. mould as claimed in claim 1 is characterized in that, this body comprises:
One first die holder; And
One second die holder removably is assembled to this first die holder, so that this first die holder and this second die holder folding each other, and this second die holder has this air pressure chamber, and this thimble is configured in this second die holder versatilely.
3. mould as claimed in claim 2 is characterized in that, this body more comprises:
One first die removably is assembled on this first die holder; And
One second die; Removably be assembled on this second die holder; When wherein this first die holder was closed with respect to this second die holder, this first die and this second die were closed each other and form this moulding chamber, and this thimble is arranged in this second die holder and this second die movably.
4. mould as claimed in claim 3; It is characterized in that; When this workpiece after this moulding chamber moulding, this first die holder launches with respect to this second die holder, and this workpiece is retained on this second die of this second die holder; This of this thimble compresses gas that end receives this gas cell and provide and compresses and drive this and eject end and expose this second die, with this workpiece top from this second die.
5. mould as claimed in claim 1 is characterized in that, more comprises:
At least one seal is set on this thimble and between this thimble and this body.
6. mould as claimed in claim 1 is characterized in that, this thimble is to have one to compress end and a plurality of ends that eject, and the said end that ejects compresses end towards this moulding chamber extension from this respectively.
7. mould as claimed in claim 1 is characterized in that, this body has a plurality of air pressure chambers, be connected to this air supply unit respectively, and this at least one thimble comprises a plurality of thimbles, and the corresponding said air pressure chamber of said thimble difference.
8. mould as claimed in claim 1 is characterized in that, this mould is to imbed the ejaculation type die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105505108A CN102463645A (en) | 2010-11-09 | 2010-11-09 | Mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105505108A CN102463645A (en) | 2010-11-09 | 2010-11-09 | Mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102463645A true CN102463645A (en) | 2012-05-23 |
Family
ID=46067911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105505108A Pending CN102463645A (en) | 2010-11-09 | 2010-11-09 | Mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102463645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097322A (en) * | 2013-04-01 | 2014-10-15 | 纬创资通股份有限公司 | Hot press molding equipment |
| CN106393785A (en) * | 2016-08-30 | 2017-02-15 | 重庆唐盛精密模具有限公司 | Air pressure ejection type forming mold |
-
2010
- 2010-11-09 CN CN2010105505108A patent/CN102463645A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097322A (en) * | 2013-04-01 | 2014-10-15 | 纬创资通股份有限公司 | Hot press molding equipment |
| US9387622B2 (en) | 2013-04-01 | 2016-07-12 | Wistron Corporation | Hot pressing apparatus |
| CN106393785A (en) * | 2016-08-30 | 2017-02-15 | 重庆唐盛精密模具有限公司 | Air pressure ejection type forming mold |
| CN106393785B (en) * | 2016-08-30 | 2017-11-24 | 重庆唐盛精密模具有限公司 | Air pressure ejecting type mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120523 |