CN220373829U - Forced release mechanism of twice loosing core in narrow and small space - Google Patents
Forced release mechanism of twice loosing core in narrow and small space Download PDFInfo
- Publication number
- CN220373829U CN220373829U CN202321978760.0U CN202321978760U CN220373829U CN 220373829 U CN220373829 U CN 220373829U CN 202321978760 U CN202321978760 U CN 202321978760U CN 220373829 U CN220373829 U CN 220373829U
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- insert
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- longitudinal
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a forced release mechanism for twice core pulling in a narrow space, which comprises a core pulling unit and an insert assembly, wherein the core pulling unit comprises a connecting block, an inclined ejector block and an elastic piece, the insert assembly comprises an inner insert and an outer insert with a penetrating cavity, the inclined ejector block is fixed on a lower fixed plate and is provided with a longitudinal groove and a transverse groove at the lower end, one end of the outer insert is obliquely inserted into a movable die, the other end of the outer insert is connected with the inclined ejector block, one end of the inner insert penetrates through the penetrating cavity and stretches into a cavity of a movable die core, the other end of the inner insert is inserted into the longitudinal groove, the connecting block is provided with a transverse connecting block and a longitudinal connecting block, the longitudinal connecting block is assembled in the longitudinal groove in a lifting manner and is connected with the inner insert, the transverse connecting block is inserted into the transverse groove, the upper groove walls of the transverse connecting block and the transverse groove are arranged at intervals, and the elastic piece is assembled between the transverse connecting block and a lower fixed plate, so that the forced release mechanism is arranged in the narrow space of an injection mold, and the forced release of the injection molding is completed.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a forced release mechanism for twice core pulling in a narrow space.
Background
When the injection mold is developed for injection molding parts with complex structures and high processing precision requirements, the forced-release mechanism with complex structures and core-pulling units is needed, the space occupied by the traditional forced-release mechanism is larger, and if the internal space of the injection mold is insufficient, the forced-release mechanism with complex structures and the core-pulling units cannot be arranged in the narrow space of the injection mold.
Disclosure of Invention
Therefore, the utility model aims to solve the problems and provides a forced release mechanism for twice core pulling in a narrow space, so as to realize core pulling and forced release in the narrow space of an injection mold.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a mechanism takes off by force of twice in narrow and small space, includes core pulling unit and mold insert subassembly, core pulling unit includes connecting block, oblique top piece and elastic component, the mold insert subassembly includes interior mold insert and has the outer mold insert that runs through the cavity, the oblique top piece is fixed on the lower fixed plate of movable mould to have the longitudinal groove of running through upper and lower surface and be located the lower extreme and run through horizontal groove of controlling the surface, the one end slope of outer mold insert is inserted and is located the movable mould, the other end is connected the oblique top piece, the one end of interior mold insert is worn to locate run through the cavity and stretch into in the die cavity of the mold core of movable mould, the other end is inserted and is located the longitudinal groove, the connecting block has horizontal connecting block and the longitudinal connecting block that are connected, the liftable assembly of longitudinal connecting block is in the longitudinal inslot, and with the interior mold insert is connected, horizontal connecting block is inserted and is located horizontal connecting block and horizontal groove upper cell wall in horizontal groove is interval setting from top to bottom the fixed plate down.
Further, the upper end of the inclined top block is provided with a first inclined chute penetrating through the left surface and the right surface, and the lower end of the outer insert is slidably assembled in the first inclined chute.
Further, the upper end of the longitudinal connecting block is provided with a second inclined chute penetrating through the left surface and the right surface, and the lower end of the inner insert is slidably assembled in the second inclined chute.
Further, the upper end part of the inclined top block is provided with an inclined surface.
Further, the elastic piece is a spring component.
Further, the number of the insert assemblies is two, the number of the core pulling units is 1, and the 1 core pulling units are matched with the two insert assemblies.
The technical scheme provided by the utility model has the following beneficial effects:
when the die is opened, the inclined ejector block is driven downwards by the lower fixing plate of the movable die (namely, the lower fixing plate of the movable die moves downwards under the action of external die opening force so as to apply the external die opening force on the inclined ejector block) so as to drive the outer insert to be pulled downwards for a certain distance, and the inner insert at the moment is static, so that the first core pulling is completed; and then the inclined top block continuously moves downwards until the upper groove wall of the transverse groove of the inclined top block is propped against the transverse connecting block of the connecting block, the die opening force applied by the inclined top block overcomes the upward elastic force applied by the elastic piece to the connecting block, and then the inner insert and the outer insert are driven to synchronously and downwards continuously withdraw for a certain distance, so that secondary core pulling is completed, a compact forced release mechanism is formed by the core pulling unit and the insert assembly and is arranged in a narrow space of an injection mold, so that two gradual core pulling is realized, and further forced release of the injection molding piece in the movable mold is realized.
Drawings
FIG. 1 is an assembly schematic diagram of a forced release mechanism for twice core pulling in a narrow space mounted on a movable mold in an embodiment;
FIG. 2 is a cross-sectional view of a two-time core pulling mechanism in a narrow space in an embodiment;
FIG. 3 is a schematic view of an oblique top block according to an embodiment;
FIG. 4 is a schematic view of a connection block in an embodiment;
FIG. 5 is a schematic view of an insert assembly;
fig. 6 is an external view showing a two-time core pulling mechanism in a narrow space in an embodiment.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 6, a forced release mechanism for core pulling twice in a narrow space is used for assisting in demolding of injection molding pieces in an injection mold, the forced release mechanism for core pulling twice in a narrow space comprises a core pulling unit 1 and an insert assembly 2, the core pulling unit 1 comprises a connecting block 4, an inclined ejector block 5 and an elastic piece 6, the insert assembly 2 comprises an inner insert 22 and an outer insert 21 with a penetrating cavity (not shown), the inclined ejector block 5 is fixed on a lower fixed plate (not shown) of the movable mold 3 and is provided with a longitudinal groove 52 penetrating through the upper surface and the lower surface and a transverse groove 51 positioned at the lower end and penetrating through the left surface and the right surface, one end of the outer insert 21 is obliquely inserted into the movable mold 3, the other end of the inner insert 22 is connected with the inclined ejector block 5, one end of the inner insert 22 penetrates into a cavity of a mold core of the movable mold 3, the other end of the inner insert is inserted into the longitudinal groove 52, the connecting block 4 is provided with a transverse connecting block 41 and a longitudinal 42 which are connected, the longitudinal lifting assembly is provided with the longitudinal groove 52 and a transverse groove 41 which can be connected with the connecting block 41 and the lower groove 51, and the transverse groove 41 is arranged between the connecting block 41 and the lower groove wall and the transverse groove 51.
During mold opening, the lower fixing plate of the movable mold 3 is moved downwards under the action of external mold opening force, so that the external mold opening force is applied to the inclined ejector block 5, the inclined ejector block 5 is driven downwards, the outer insert 21 is driven to be pulled downwards for a certain distance, the inner insert 22 at the moment is static, the first core pulling is finished, then the inclined ejector block 5 continues to move downwards until the upper groove wall 511 of the transverse groove 51 of the inclined ejector block 5 abuts against the transverse connecting block 41 of the connecting block 4, after the upward elastic force is applied to the connecting block 4 by the mold opening force applied by the inclined ejector block 5, the connecting block 4 drives the inner insert 22 to move downwards, the outer insert 21 is driven by the inclined ejector block 5 to move downwards, namely, the outer insert 21 and the inner insert 22 are synchronously pulled downwards for a certain distance, the second core pulling mechanism (namely, the two core pulling mechanisms in a narrow space) is formed by the core pulling unit 1 and the insert assembly 2, and the two core pulling mechanisms are arranged in the narrow space of the injection mold, so that the two-step core pulling is realized, and the movable mold in the injection mold is released.
Further preferably, the upper end of the inclined top block 5 has a first inclined sliding groove 53 penetrating the left and right surfaces, and the lower end of the outer insert 21 is slidably fitted in the first inclined sliding groove 53.
In this embodiment, the first inclined chute 53 is disposed obliquely, and is slidably connected between the inclined top block 5 and the outer insert 21, so as to cooperate with the outer insert 21 to be drawn out from the driven mold 3 in an oblique direction.
More specifically, the upper end of the longitudinal connecting block 42 has a second inclined slide groove 421 penetrating the left and right surfaces, and the lower end of the insert 22 is slidably fitted in the second inclined slide groove 421.
The second inclined sliding groove 421 is arranged obliquely, and the penetrating extending directions of the first inclined sliding groove 53 and the second inclined sliding groove 421 are consistent, and the second inclined sliding groove 421 is connected with the insert 22 in a sliding manner through the longitudinal connecting block 42 so as to match the insert 22 to be pulled out of the driven mold 3 in an inclined direction, so that the insert 22 is pulled out.
More specifically, the upper end of the inclined top block 5 is provided with an inclined surface, and the inclined direction of the upper end of the inclined top block 5 is consistent with the penetrating extension direction of the first inclined chute 53 and the second inclined chute 421, so as to implement inclined core pulling in cooperation.
In another preferred embodiment, the elastic member 6 is a spring assembly, and the spring assembly is assembled between the bottom of the lateral connection block 41 and the lower fixing plate, so as to apply an upward elastic force to the connection block 4, so that the connection block 4 and the insert 22 cannot move downward under the action of no external force, and the insert 22 is in a static state when the first core pulling is matched.
In another preferred embodiment, the number of the insert assemblies 2 is two, the number of the core-pulling units 1 is 1, and the 1 core-pulling units 1 are matched with the two insert assemblies 2.
In specific implementation, the oblique top block 5 has two longitudinal grooves 52, namely a first longitudinal groove (not shown) and a second longitudinal groove (not shown), the connecting block 4 has two longitudinal connecting blocks 42, namely a first longitudinal connecting block (not shown) and a second longitudinal connecting block (not shown), the first longitudinal connecting block, the second longitudinal connecting block and the transverse connecting block 41 are integrally connected, the first longitudinal connecting block and the second longitudinal connecting block are arranged at a left-right interval, and the first longitudinal connecting block and the second longitudinal connecting block sequentially correspond to the first longitudinal groove and the second longitudinal groove.
The first and second longitudinal connection blocks are synchronously driven to move up and down by the transverse connection block 41 so as to drive the inner inserts of the first and second insert assemblies to synchronously move.
The spring assembly includes 3 springs, and 3 springs are mounted in parallel at equal intervals between the bottom of the lateral connection block 41 and the lower fixing plate.
The two insert assemblies 2 are respectively a first insert assembly (not shown) and a second insert assembly (not shown), the lower ends of the outer inserts of the first insert assembly and the second insert assembly are slidably assembled in a first inclined sliding groove 53 of the inclined top block 5, the lower ends of the inner inserts of the first insert assembly are slidably assembled in a second inclined sliding groove 421 of the first longitudinal connecting block, the lower ends of the inner inserts of the second insert assembly are slidably assembled in a second inclined sliding groove 421 of the second longitudinal connecting block, and the two insert assemblies 2 and the 1 core pulling units 1 are mutually matched to form a forced release mechanism (namely a forced release mechanism) of twice core pulling in a narrow space.
Of course, in other embodiments, the number of springs of the elastic member 6 may be two or 4, and the specific number of springs is determined according to the structure of the connecting block 4.
In addition, the different core-pulling positions of the movable mold 3 may be respectively provided with corresponding forced releasing mechanisms, and the specific number of the forced releasing mechanisms and the corresponding mounting positions need to be determined according to the structure of the injection molding part, which is not described in detail herein.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a mechanism is taken off by force of loosing core twice in narrow and small space, includes loose core unit and mold insert subassembly, its characterized in that:
the core pulling unit comprises a connecting block, an inclined jacking block and an elastic piece;
the insert assembly includes an inner insert and an outer insert having a through cavity;
the inclined top block is fixed on the lower fixed plate of the movable die and is provided with a longitudinal groove penetrating through the upper surface and the lower surface and a transverse groove positioned at the lower end and penetrating through the left surface and the right surface;
one end of the outer insert is obliquely inserted into the movable die, and the other end of the outer insert is connected with the oblique jacking block;
one end of the inner insert is penetrated through the penetrating cavity and extends into the cavity of the mold core of the movable mold, and the other end of the inner insert is inserted into the longitudinal groove;
the connecting blocks are provided with a transverse connecting block and a longitudinal connecting block which are connected, and the longitudinal connecting block is assembled in the longitudinal groove in a lifting manner and is connected with the inner insert;
the transverse connecting blocks are inserted into the transverse grooves, and the transverse connecting blocks and the upper groove walls of the transverse grooves are arranged at intervals up and down; the elastic member is assembled between the bottom of the lateral connection block and the lower fixing plate.
2. The mechanism for forced release of two loose cores in a small space according to claim 1, wherein: the upper end of the inclined top block is provided with a first inclined chute penetrating through the left surface and the right surface, and the lower end of the outer insert is slidably assembled in the first inclined chute.
3. The mechanism for forced release of core pulling twice in a small space according to claim 2, wherein: the upper end of the longitudinal connecting block is provided with a second inclined chute penetrating through the left surface and the right surface, and the lower end of the inner insert is slidably assembled in the second inclined chute.
4. The mechanism for forced release of two loose cores in a small space according to claim 1, wherein: the upper end of the inclined top block is provided with an inclined surface.
5. The mechanism for forced release of two loose cores in a small space according to claim 1, wherein: the elastic piece is a spring component.
6. The mechanism for forced release of two loose cores in a small space according to claim 1, wherein: the number of the insert assemblies is two, the number of the core pulling units is 1, and the 1 core pulling units are matched with the two insert assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978760.0U CN220373829U (en) | 2023-07-26 | 2023-07-26 | Forced release mechanism of twice loosing core in narrow and small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321978760.0U CN220373829U (en) | 2023-07-26 | 2023-07-26 | Forced release mechanism of twice loosing core in narrow and small space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373829U true CN220373829U (en) | 2024-01-23 |
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ID=89568527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321978760.0U Active CN220373829U (en) | 2023-07-26 | 2023-07-26 | Forced release mechanism of twice loosing core in narrow and small space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373829U (en) |
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2023
- 2023-07-26 CN CN202321978760.0U patent/CN220373829U/en active Active
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