CN203460389U - Injection mould with lifter device - Google Patents
Injection mould with lifter device Download PDFInfo
- Publication number
- CN203460389U CN203460389U CN201320534142.7U CN201320534142U CN203460389U CN 203460389 U CN203460389 U CN 203460389U CN 201320534142 U CN201320534142 U CN 201320534142U CN 203460389 U CN203460389 U CN 203460389U
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- China
- Prior art keywords
- tilted footstock
- ejecting device
- injection mold
- needle plate
- pilot hole
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Abstract
The utility model relates to the technical field of injection moulds, and particularly relates to an injection mould with a lifter device. the injection mould with a lifter device comprises an upper template, an upper mould core, a lower mould core, a lower template, an ejector retainer plate and an ejector base plate, wherein a forming mould cavity is formed between the upper mould core and the lower mould core; an inclined guide hole is formed in the lower mould core. The injection mould also comprises a lifter device, wherein the lifter device comprises a lifter and a lifter seat; one end of the lifter seat is fixed on the ejector base plate, and the other end of the lifter seat extends upward to the lower template; one end of the lifter is arranged in the forming mould cavity; the lifter passes through the lower mould core through the inclined guide hole and extends to and is connected with the upper end of the lifter seat. The injection mould with a lifter device can avoid the deformation and damage of the lifter and effectively reduce the use cost.
Description
Technical field
The application relates to injection mold technical field, particularly a kind of injection mold with Slanted ejecting device.
Background technology
Slanted ejecting device has a wide range of applications in injection mold field, is generally used for the moulding that product inner side is provided with overhead structure, also can be used for ejecting product simultaneously.
In prior art, for example Chinese Patent Application No. 201110082913.9 discloses the Slanted ejecting device for injection mold, it comprises oblique top, oblique top installation portion, oblique top is slided and is installed in rotationally on oblique top installation portion with respect to oblique top installation portion, oblique top installation portion is installed between the face needle plate and end needle plate of injection mold, needle plate of the described end is provided with unthreaded hole and limited screw, limited screw is through unthreaded hole, its front end is fixedly connected with oblique top installation portion, on the polished rod of limited screw, be arranged with Compress Spring, Compress Spring is positioned between the bottom of unthreaded hole and the head of limited screw, or be positioned between the bottom of end needle plate and the head of limited screw.
Because one end of oblique top is arranged in the shaping mold cavity in this injection mold, the other end of oblique top is connected in oblique top installation portion, that is to say that oblique top need wear the counterdie Renhe lower bolster in this injection mold, under matched moulds state or die opening state, oblique top is also just connected to oblique top installation portion through the stroke chamber of face needle plate, this just causes the length of oblique top longer, in ejection process, because the long oblique top that causes of the length of oblique top is easy to bending.
In order to solve the long defect of bringing of above-mentioned oblique top length, in prior art, for example Chinese Patent Application No. 2011120143866.4 discloses a kind of little Slanted ejecting device, it directly shortens by the length of oblique top the intensity that half increases oblique top, to avoid oblique top, in ejection process, be out of shape, but this technical scheme in actual use, the length of oblique top is shortened to half, can not strengthen the intensity of oblique top self, fundamentally do not solve the technical problem that oblique top length is longer, still there is the longer problem of length of oblique top, particularly when oblique top is tiny long and narrow oblique top, can not effectively avoid the distortion of oblique top in ejection process and fracture.Simultaneously, in ejection process, mould easily produces certain vibration, and because described tilted footstock is single pole structure, when occurring that mould produces vibration because the insufficient strength of tilted footstock is fragile.
Summary of the invention
The application's object is to avoid above-mentioned weak point of the prior art and a kind of can avoid oblique top distortion and damage is provided, and effectively reduces the injection mold with Slanted ejecting device of use cost.
The application's object is achieved through the following technical solutions:
A kind of injection mold with Slanted ejecting device is provided, comprise successively in the vertical cope match-plate pattern, upper cores, lower die, lower bolster, face needle plate and end needle plate, between described upper cores and described lower die, be provided with shaping mold cavity, described lower die offers oblique pilot hole, described oblique pilot hole is communicated with described shaping mold cavity, this injection mold also includes Slanted ejecting device, described Slanted ejecting device comprises tilted footstock and oblique top, needle plate of the described end is fixed in one end of described tilted footstock, the other end of described tilted footstock extends upwardly to described lower bolster, one end of described oblique top is arranged at described shaping mold cavity, the other end of described oblique top runs through described lower die through described oblique pilot hole, and be connected to the other end of described tilted footstock, described oblique top comprises brace, for the connection end being connected with described tilted footstock, and be arranged at the shaped ends in described shaping mold cavity, described brace and described oblique pilot hole are closely slidably matched, described brace comprise the section of ejecting, trip segment and be arranged at described in interlude between the section of ejecting and described trip segment, described in the section of ejecting in matched moulds process or in die sinking process in described oblique pilot hole, in ejection process, gradually stretch out described lower die, described trip segment in described lower bolster, gradually slips in described oblique pilot hole in matched moulds process or under in die sinking process in ejection process, described interlude is always in described oblique pilot hole.
Wherein, the thickness of described needle plate is greater than the haul distance of described needle plate in ejection process.
Wherein, the bottom of described lower bolster is provided with the reinforcement guide pin bushing with described lower bolster one, and described reinforcement guide pin bushing is coated at described tilted footstock, and described needle plate offers the guide groove corresponding with described reinforcement guide pin bushing.
Wherein, under matched moulds state or die opening state, described reinforcement guide pin bushing extends in described guide groove.
Wherein, the free end of described reinforcement guide pin bushing is cone structure.
Wherein, described oblique top is connected by hook structure with described tilted footstock.
Wherein, described tilted footstock is columned tilted footstock, the bottom of described tilted footstock be provided with for the fixing countersunk head of needle plate of the described end.
Wherein, described countersunk head and the one-body molded setting of described tilted footstock.
The application's beneficial effect:
The application's oblique top compares in prior art, the situation that can effectively avoid distortion and fracture, in actual use, a plurality of described Slanted ejecting devices are set in a mould, and the situation of the comparatively tiny prolate of oblique top, still there will not be oblique top distortion and fracture, thereby avoiding often need to changing oblique top, having reduced use cost.
Especially, the tilted footstock overcoat in this specific embodiment has described reinforcement guide pin bushing, and described reinforcement guide pin bushing inserts described guide groove, and described tilted footstock obtains multiple more protection, thereby avoids described tilted footstock to damage because of insufficient strength.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, is not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation that the application has the injection mold of Slanted ejecting device.
Fig. 2 be the application there is Slanted ejecting device injection mold at the structural representation ejecting under state.
Fig. 3 is B direction visual angle structural representation in A in Fig. 1.
Fig. 4 is the structural representation that the application has oblique top in the injection mold of Slanted ejecting device.
In Fig. 1 to Fig. 4, include:
Under 1-, at the bottom of die, the oblique pilot hole of 11-, 2-lower bolster, 21-reinforcement guide pin bushing, 3-face needle plate, 31-guide groove, 4-, needle plate, 5-oblique top, 51-shaped ends, the 52-section of ejecting, 53-interlude, 54-trip segment, 55-connect end, 6-tilted footstock.
The specific embodiment
With the following Examples the application is further described.
The specific embodiment of the application's the injection mold with Slanted ejecting device, (in figure all not shown upper cores and cope match-plate pattern) as shown in Figures 1 to 4, comprise successively in the vertical cope match-plate pattern, upper cores, lower die 1, lower bolster 2, face needle plate 3 and end needle plate 4, between described upper cores and described lower die 1, be provided with shaping mold cavity, described lower die 1 offers oblique pilot hole 11, , described oblique pilot hole is communicated with described shaping mold cavity, this injection mold also includes Slanted ejecting device, described Slanted ejecting device comprises oblique top 5 and tilted footstock 6, needle plate of the described end 4 is fixed in one end of described tilted footstock 6, the other end of described tilted footstock 6 extends upwardly to described lower bolster 2, one end of described oblique top 5 is arranged at described shaping mold cavity, the other end of described oblique top 5 runs through described lower die 1 through described oblique pilot hole 11, and be connected to the other end of described tilted footstock 6, described oblique top 5 comprises brace, for the connection end 55 being connected with described tilted footstock 6, and the shaped ends 51 that is arranged at described shaping mold cavity moulding, described brace and described oblique pilot hole 11 are closely slidably matched, described brace comprise the section of ejecting 52, trip segment 54 and be arranged at described in interlude 53 between the section of ejecting 52 and described trip segment 54, the described section of ejecting 52 in matched moulds process or in die sinking process in described oblique pilot hole 11, in ejection process, gradually stretch out described lower die 1, described trip segment 54 in matched moulds process or in die sinking process in described lower bolster 2, in ejection process, gradually slip in described oblique pilot hole 11, described interlude 53 is always in described oblique pilot hole 11.
The thickness of described needle plate 3 is greater than the haul distance of described needle plate 3 in ejection process, the bottom of described lower bolster 2 is provided with the reinforcement guide pin bushing 21 with described lower bolster 2 one, described reinforcement guide pin bushing 21 is coated at described tilted footstock 6, described needle plate 3 offers the guide groove 31 corresponding with described reinforcement guide pin bushing 21, under matched moulds state or die opening state, described reinforcement guide pin bushing 21 extends in described guide groove 31, and the free end of described reinforcement guide pin bushing 21 is cone structure.
Described oblique top 5 is connected by hook structure with described tilted footstock 6, and described tilted footstock 6 is columned tilted footstock 6, the bottom of described tilted footstock 6 be provided with for fixing countersunk head, described countersunk head and the one-body molded setting of described tilted footstock 6 of needle plate of the described end 4.
The application's injection mold in use comprises matched moulds process, die sinking process and ejection process.
In matched moulds process, under the effect of external force, described lower die 1, described lower bolster 2, described needle plate 3, needle plate 4 of the described end and Slanted ejecting device all move up simultaneously, to carry out matched moulds with described cope match-plate pattern and described lower die 1, after matched moulds, carry out injection moulding, with the corresponding moulded products of moulding.
In die sinking process, under the effect of external force, moulded products, described lower die 1, described lower bolster 2, described needle plate 3, needle plate 4 of the described end and Slanted ejecting device all move down simultaneously, and described moulded products treats that the demoulding ejects.
Above-mentioned matched moulds process and die sinking process; the structure of described lower die 1, described lower bolster 2, described needle plate 3, needle plate 4 of the described end and Slanted ejecting device all as shown in Figure 1; the described section of ejecting 52 and described interlude 53 are all in described oblique pilot hole 11; because the described section of ejecting 52 and described interlude 53 all closely cooperate with described lower die 1; described in 1 pair of described lower die, the section of ejecting 52, described interlude 53 play a protective role, and described in having avoided, distortion and situation about fractureing appear in the section of ejecting 52 and described interlude 53.
And in ejection process, as shown in Figure 2, the described section of ejecting 52 is stretched out described lower die 1 gradually, described shaped ends 51 laterally moves simultaneously shaped article is departed from ejecting moulded products, meanwhile described tilted footstock 6 extends upwardly to described lower bolster 2 and is connected with described oblique top 5, and the length of described trip segment 54 is for to slip into the interior required length of described oblique pilot hole 11 in trip segment described in ejection process 54, make the length realization of described oblique top 5 the shortest, thereby greatly reduced described trip segment 54, occur distortion and situation about fractureing.
To sum up, the application's oblique top 5 compares in prior art, the situation that can effectively avoid distortion and fracture, in actual use, a plurality of described Slanted ejecting devices are set in a mould, and the situation of the comparatively tiny prolate of oblique top 5, still there will not be oblique top 5 distortion and fracture, thereby avoid often need to changing oblique top 5, reduced use cost.
Especially, tilted footstock 6 overcoats in this specific embodiment have described reinforcement guide pin bushing 21, and the described guide groove 31 of described reinforcement guide pin bushing 21 insertion, and described tilted footstock 6 obtains multiple more protection, thereby avoids described tilted footstock 6 because of insufficient strength damage.
The free end of described reinforcement guide pin bushing 21 is cone structure and is convenient to strengthen guide pin bushing 21 described in mould installation process and packs described guide groove 31 into.
Finally should be noted that; above embodiment is only in order to illustrate the application's technical scheme; but not restriction to the application's protection domain; although the application has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the application's technical scheme, and not depart from essence and the scope of present techniques scheme.
Claims (8)
1. the injection mold with Slanted ejecting device, comprise successively in the vertical cope match-plate pattern, upper cores, lower die, lower bolster, face needle plate and end needle plate, between described upper cores and described lower die, be provided with shaping mold cavity, described lower die offers oblique pilot hole, described oblique pilot hole is communicated with described shaping mold cavity, this injection mold also includes Slanted ejecting device, described Slanted ejecting device comprises tilted footstock and oblique top, needle plate of the described end is fixed in one end of described tilted footstock, it is characterized in that: the other end of described tilted footstock extends upwardly to described lower bolster, one end of described oblique top is arranged at described shaping mold cavity, the other end of described oblique top runs through described lower die through described oblique pilot hole, and be connected to the other end of described tilted footstock, described oblique top comprises brace, for the connection end being connected with described tilted footstock, and be arranged at the shaped ends in described shaping mold cavity, described brace and described oblique pilot hole are closely slidably matched, described brace comprise the section of ejecting, trip segment and be arranged at described in interlude between the section of ejecting and described trip segment, described in the section of ejecting in matched moulds process or in die sinking process in described oblique pilot hole, in ejection process, gradually stretch out described lower die, described trip segment in described lower bolster, gradually slips in described oblique pilot hole in matched moulds process or under in die sinking process in ejection process, described interlude is always in described oblique pilot hole.
2. the injection mold with Slanted ejecting device according to claim 1, is characterized in that: the thickness of described needle plate is greater than the haul distance of described needle plate in ejection process.
3. the injection mold with Slanted ejecting device according to claim 2, it is characterized in that: the bottom of described lower bolster is provided with the reinforcement guide pin bushing with described lower bolster one, described reinforcement guide pin bushing is coated at described tilted footstock, and described needle plate offers the guide groove corresponding with described reinforcement guide pin bushing.
4. the injection mold with Slanted ejecting device according to claim 3, is characterized in that: under matched moulds state or die opening state, described reinforcement guide pin bushing extends in described guide groove.
5. the injection mold with Slanted ejecting device according to claim 3, is characterized in that: the free end of described reinforcement guide pin bushing is cone structure.
6. the injection mold with Slanted ejecting device according to claim 1, is characterized in that: described oblique top is connected by hook structure with described tilted footstock.
7. the injection mold with Slanted ejecting device according to claim 1, is characterized in that: described tilted footstock is columned tilted footstock, the bottom of described tilted footstock be provided with for the fixing countersunk head of needle plate of the described end.
8. the injection mold with Slanted ejecting device according to claim 7, is characterized in that: described countersunk head and the one-body molded setting of described tilted footstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534142.7U CN203460389U (en) | 2013-08-30 | 2013-08-30 | Injection mould with lifter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534142.7U CN203460389U (en) | 2013-08-30 | 2013-08-30 | Injection mould with lifter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203460389U true CN203460389U (en) | 2014-03-05 |
Family
ID=50172773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320534142.7U Withdrawn - After Issue CN203460389U (en) | 2013-08-30 | 2013-08-30 | Injection mould with lifter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203460389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434086A (en) * | 2013-08-30 | 2013-12-11 | 东莞誉铭新工业有限公司 | Injection mold with inclined-top device |
-
2013
- 2013-08-30 CN CN201320534142.7U patent/CN203460389U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434086A (en) * | 2013-08-30 | 2013-12-11 | 东莞誉铭新工业有限公司 | Injection mold with inclined-top device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160309 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |