CN203712916U - De-molding mechanism for plastic part - Google Patents
De-molding mechanism for plastic part Download PDFInfo
- Publication number
- CN203712916U CN203712916U CN201420054316.4U CN201420054316U CN203712916U CN 203712916 U CN203712916 U CN 203712916U CN 201420054316 U CN201420054316 U CN 201420054316U CN 203712916 U CN203712916 U CN 203712916U
- Authority
- CN
- China
- Prior art keywords
- oblique top
- plane
- core
- hole
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a de-molding mechanism for a plastic part. The de-molding mechanism comprises a base (1), a mold core (2), a large inclined ejector (3) and a small inclined ejector (4), wherein the mold core (2) is located at the upper end of the base (1); the end face of one end or the end faces of the two ends of the mold core (2) is or are inclined planes; a first through hole for the large inclined ejector (3) to penetrate through is arranged at one position, which is close to the inclined plane of the mold core (2), on the base (1); the middle part of the large inclined ejector (3) is in sliding connection with the first through hole; the plane, which is close to the mold core (2), of the large inclined ejector (3) is fitted with the inclined plane; the inclined plane of the mold core (2) is provided with a limiting groove (5); the bottom face of the limiting groove (5) is a vertical face; a bulge (8) is arranged on the plane, which is far away from the inclined plane, of the upper end of the large inclined ejector (3); the bulge (8) is provided with a second through hole; the small inclined ejector (4) is hinged in the second through hole; a bulge (9) is arranged at lower end of one end of the small inclined ejector (4); the free end of the bulge (9) is located at the outer side of the bulge (8) and the end face of the other end of the small inclined ejector (4) is fitted with the bottom face of the limiting groove (5).
Description
Technical field
The utility model relates to a kind of demolding structure for plastic.
Background technology
On market, there are a kind of inverted "L" shaped structure auto parts and components, changing parts is metal material, and it comprises a cross bar and a montant, and montant is positioned at one end of cross bar and vertical with cross bar, montant is provided with the through hole of side direction, the inwall of through hole is provided with groove, but because this design of part is complicated, and makes for metal material, need to pass through the operations such as cast molding, machined, make the process-cycle longer, cost of labor is higher, makes production cost higher; Now, along with the development of plastics technology, part metals part can be replaced by plastics, because through-hole wall is provided with back-off, and this design of part more complicated, existing mould emptier cannot reach higher demoulding success rate, and complicated structure.
Utility model content
Technical problem to be solved in the utility model: a kind of mould emptier for plastic relatively simple for structure, that demoulding success rate is higher is provided.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of mould emptier for plastic, described mould emptier comprises pedestal, core, large oblique top and little oblique top, described core is positioned at pedestal upper end, core one or both ends end face is inclined-plane, and upper end, core one end is less than lower end, core one end to the distance of the other end to the distance of the other end, on pedestal, the position on plesiotype core inclined-plane is provided with the first through hole passing for large oblique top, the axis of the first through hole is parallel with each self-corresponding inclined-plane, large oblique top middle part is slidably connected with the first through hole, the plane of large oblique top plesiotype core and inclined-plane laminating, core inclined-plane is provided with limited impression, and the bottom surface of limited impression is vertical plane, large oblique top upper end is provided with projection away from the plane on inclined-plane, described projection is provided with the second through hole, the second through hole extends along large oblique top thickness direction, the second through hole is provided with opening in projection lower surface, little oblique top is hinged in the second through hole, lower end, little oblique top one end is provided with projection, and the free end of projection is positioned at projection outside, the bottom surface laminating of little oblique top other end end face and limited impression, the diameter of the jointed shaft of large oblique top and little oblique top equals the hinge hole aperture of little oblique top, and the jointed shaft diameter of large oblique top and little oblique top is less than the hinge hole aperture of large oblique top.
Adopt said structure, the advantage that the utility model has is: plastic is positioned at core upper end, large oblique top be positioned at core under, the one or both ends end face of described core is inclined-plane, and upper end, core one end is less than lower end, core one end to the distance of the core other end to the distance of the core other end, can be understood as the trapezium structure of core, the width of trapezoidal upper end is less than the width of trapezoidal lower end, described the first through hole is square opening, and the first through hole is slidably connected with large oblique top, and the first through hole has the effect of guiding, and large oblique top can upwards eject plastic by the first through hole, described large oblique top is provided with projection away from the plane on the inclined-plane of core, described projection in demoulding anteposition in the through hole of plastic, projection is provided with the second through hole, the second through hole extends along large oblique top thickness direction, can be understood as second through hole one end and be positioned in the plane of large oblique top away from core inclined-plane, the other end of the second through hole is positioned in the plane of large oblique top near core inclined-plane, in the second through hole, be hinged with little oblique top, the second through hole is provided with opening in projection lower surface, little oblique top is provided with away from the lower end, one end on core inclined-plane the projection coordinating with opening, projection is through the outside that is positioned at projection after opening, because large oblique top is positioned at the through hole of plastic, make the projection of little oblique top for coordinating the back-off of plastic through-hole wall, the jointed shaft diameter of large oblique top and little oblique top is less than the diameter of the hinge hole of large oblique top, make between jointed shaft and the hinge hole of large oblique top gapped, thereby little oblique top can be slided in the second through hole, again because the laminating of the bottom surface of little oblique top other end end face and limited impression, and the bottom surface of limited impression is vertical plane, make when large oblique top is at jack-up plastic time, little oblique top is under limited impression effect, limited impression forces little oblique top to be displaced sideways, make little oblique top not only follow large oblique top and do motion obliquely, plastic there is the ejecting force of side direction simultaneously, be that little oblique top is backed down plastic, complete the back-off inner core pulling from plastic through hole, thereby complete the demoulding.
As preferably, on described core inclined-plane, be also respectively equipped with a guide chute, large oblique top is provided with the guide pad being slidably matched with guide chute, guide chute has the effect of guiding, large oblique top and core inclined-plane are fitted tightly, can smoothly plastic be ejected from core upper end, structure is simpler.
As preferably, described guide chute is " T " font groove or dovetail groove, and structure is simpler.
As preferably, the hinge hole of described large oblique top is arcuate socket, described arcuate socket can be understood as the plane that is positioned at large oblique top plesiotype core inclined-plane and is provided with an arc groove, arc groove is provided with opening on the side of large oblique top, fit with limited impression bottom surface through after arc groove in the one end on the nearly inclined-plane of little oblique top, the hinged place of large oblique top and little oblique top is positioned at arc groove, described arc groove is simple in structure, process more convenient, simultaneously the large oblique top of assembling and little oblique top time, install simpler, be convenient to maintenance.
As preferably, little oblique top one end end face is concordant away from the plane on inclined-plane with projection, and little oblique top is concordant with the free-ended end face of projection away from one end end face on core inclined-plane, while making mould matched moulds, form shorter, thereby make production efficiency higher; Make plastic be not easy to occur overlap, structure is simpler simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mould emptier for plastic of the utility model.
Fig. 2 is the structural representation of the core of a kind of mould emptier for plastic of the utility model.
Fig. 3 is the half sectional view of a kind of mould emptier for plastic of the utility model.
Fig. 4 is large oblique top and the little oblique top articulated structure schematic diagram of a kind of mould emptier for plastic of the utility model.
Fig. 5 is the structure for amplifying schematic diagram of A in Fig. 4.
As shown in the figure: 1-pedestal, 2-core, the large oblique top of 3-, the little oblique top of 4-, 5-limited impression, 6-guide chute, 7-guide pad, 8-projection, 9-projection, 10-plastic.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, a kind of mould emptier for plastic, described mould emptier comprises pedestal 1, core 2, large oblique top 3 and little oblique top 4, described core 2 is positioned at pedestal 1 upper end, core 2 one or both ends end faces are inclined-plane, and core 2 upper ends, one end are less than core 2 lower ends, one end to the distance of the other end to the distance of the other end, on pedestal 1, the position on plesiotype core 2 inclined-planes is provided with the first through hole passing for large oblique top 3, the axis of the first through hole is parallel with each self-corresponding inclined-plane, large oblique top 3 middle parts and the first through hole are slidably connected, the plane of large oblique top 3 plesiotype cores 2 and inclined-plane laminating, core 2 inclined-planes are provided with limited impression 5, and the bottom surface of limited impression 5 is vertical plane, large oblique top 3 upper ends are provided with projection 8 away from the plane on inclined-plane, described projection 8 is provided with the second through hole, the second through hole extends along large oblique top 3 thickness directions, the second through hole is provided with opening in projection 8 lower surfaces, little oblique top 4 is hinged in the second through hole, little oblique top 4 lower ends, one end are provided with projection 9, and the free end of projection 9 is positioned at projection 8 outsides, the bottom surface laminating of little oblique top 4 other end end faces and limited impression 5, the diameter of the jointed shaft of large oblique top 3 and little oblique top 4 equals the hinge hole aperture of little oblique top 4, and the jointed shaft diameter of large oblique top 3 and little oblique top 4 is less than the hinge hole aperture of large oblique top 3.
Plastic 10 is positioned at core 2 upper ends, large oblique top 3 be positioned at core under, one or both ends end face the present embodiment of described core 2 is that two ends are inclined-plane, and core 2 upper ends, one end are less than core 2 lower ends, one end to the distance of core 2 other ends to the distance of core 2 other ends, can be understood as the trapezium structure of core 2, the width of trapezoidal upper end is less than the width of trapezoidal lower end, described the first through hole is square opening, and the first through hole is slidably connected with large oblique top 3, and the first through hole has the effect of guiding, and large oblique top 3 can upwards eject plastic 10 by the first through hole, described large oblique top 3 is provided with projection 8 away from the plane on the inclined-plane of core 2, described projection 8 in demoulding anteposition in the through hole of plastic 10, projection 8 is provided with the second through hole, the second through hole extends along large oblique top 3 thickness directions, can be understood as second through hole one end and be positioned in the plane of large oblique top 3 away from core inclined-plane 2, the other end of the second through hole is positioned in the plane of large oblique top 3 near core 2 inclined-planes, in the second through hole, be hinged with little oblique top 4, the second through hole is provided with opening in projection 8 lower surfaces, little oblique top 4 is provided with away from the lower end, one end on core 2 inclined-planes the projection 9 coordinating with opening, projection 9 is through the outside that is positioned at projection 8 after opening, because large oblique 3 tops are positioned at the through hole of plastic 10, make the projection 9 of little oblique top 4 for coordinating the back-off of plastic 10 through-hole walls, the jointed shaft diameter of large oblique top 3 and little oblique top 4 is less than the diameter of the hinge hole of large oblique top 3, make between jointed shaft and the hinge hole of large oblique top 3 gapped, thereby little oblique top 4 can be slided in the second through hole, again because the laminating of the bottom surface of little oblique top other end end face and limited impression 5, and the bottom surface of limited impression 5 is vertical plane, make when large oblique top 3 is at jack-up plastic 10 time, little oblique top 4 is under limited impression 5 effects, limited impression 5 forces little oblique top 4 to be displaced sideways, make little oblique top 4 not only follow large oblique top 3 and do motion obliquely, plastic 10 there is the ejecting force of side direction simultaneously, be that little oblique top 4 is backed down plastic, complete from the back-off inner core pulling of plastic 10 through holes, thereby complete the demoulding.
Described core is also respectively equipped with a guide chute 6 on 2 inclined-planes, large oblique top 3 is provided with the guide pad 7 being slidably matched with guide chute 6, and guide chute 6 has the effect of guiding, and large oblique top 3 is fitted tightly with core 2 inclined-planes, can smoothly plastic be ejected from core upper end, structure is simpler.
Described guide chute 6 is " T " font groove or dovetail groove, and structure is simpler.
The hinge hole of described large oblique top 3 is arcuate socket, described arcuate socket can be understood as the plane that is positioned at large oblique top 3 plesiotype core 2 inclined-planes and is provided with an arc groove, arc groove is provided with opening on the side of large oblique top 3, the one end on little oblique top 4 nearly inclined-planes is through fitting with limited impression 5 bottom surfaces after arc groove, large oblique top 3 is positioned at arc groove with the hinged place of little oblique top 4, described arc groove is simple in structure, process more convenient, simultaneously the large oblique top 3 of assembling and little oblique top 4 time, install simpler, be convenient to maintenance.
Little oblique top 4 one end end faces are concordant away from the plane on inclined-plane with projection, and little oblique top 4 is concordant with the free-ended end face of projection away from one end end face on core 2 inclined-planes, while making mould matched moulds, form shorter, thereby make production efficiency higher; Make plastic be not easy to occur overlap, structure is simpler simultaneously.
As shown in Figure 3, the present embodiment core 2 two ends are inclined-plane, can to two plastics 10, carry out the demoulding simultaneously, and operating efficiency is higher; In Fig. 3, left side is the state of plastic 10 when large oblique top 3 does not eject, and right side is the state of plastic 10 after large oblique top 3 ejects.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (5)
1. the mould emptier for plastic, it is characterized in that: described mould emptier comprises pedestal (1), core (2), large oblique top (3) and little oblique top (4), described core (2) is positioned at pedestal (1) upper end, core (2) one or both ends end face is inclined-plane, and core (2) upper end, one end is less than core (2) lower end, one end to the distance of the other end to the distance of the other end, the position on the upper plesiotype core (2) of pedestal (1) inclined-plane is provided with the first through hole passing for large oblique top (3), the axis of the first through hole is parallel with each self-corresponding inclined-plane, large oblique top (3) middle part is slidably connected with the first through hole, the plane of large oblique top (3) plesiotype core (2) and inclined-plane laminating, core (2) inclined-plane is provided with limited impression (5), and the bottom surface of limited impression (5) is vertical plane, large oblique top (3) upper end is provided with projection (8) away from the plane on inclined-plane, described projection (8) is provided with the second through hole, the second through hole extends along large oblique top (3) thickness direction, the second through hole is provided with opening in projection (8) lower surface, little oblique top (4) is hinged in the second through hole, little oblique top (4) lower end, one end is provided with projection (9), and the free end of projection (9) is positioned at projection (8) outside, the bottom surface laminating of little oblique top (4) other end end face and limited impression (5), the diameter of the jointed shaft of large oblique top (3) and little oblique top (4) equals the hinge hole aperture of little oblique top (4), and the jointed shaft diameter of large oblique top (3) and little oblique top (4) is less than the hinge hole aperture of large oblique top (3).
2. a kind of mould emptier for plastic according to claim 1, is characterized in that: described core (2) is also respectively equipped with a guide chute (6) on inclined-plane, and large oblique top (3) is provided with the guide pad (7) being slidably matched with guide chute (6).
3. a kind of mould emptier for plastic according to claim 2, is characterized in that: described guide chute (6) is " T " font groove or dovetail groove.
4. a kind of mould emptier for plastic according to claim 1, is characterized in that: the hinge hole of described large oblique top (3) is arcuate socket.
5. a kind of mould emptier for plastic according to claim 1, is characterized in that: little oblique top (4) one end end face is concordant away from the plane on inclined-plane with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054316.4U CN203712916U (en) | 2014-01-27 | 2014-01-27 | De-molding mechanism for plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054316.4U CN203712916U (en) | 2014-01-27 | 2014-01-27 | De-molding mechanism for plastic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203712916U true CN203712916U (en) | 2014-07-16 |
Family
ID=51152109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054316.4U Expired - Fee Related CN203712916U (en) | 2014-01-27 | 2014-01-27 | De-molding mechanism for plastic part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203712916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943093A (en) * | 2015-07-07 | 2015-09-30 | 慈溪恒煜电子有限公司 | Injection mould |
| CN105835317A (en) * | 2016-07-04 | 2016-08-10 | 浙江台州美多模具有限公司 | Large inclined head core-drawing mechanism |
-
2014
- 2014-01-27 CN CN201420054316.4U patent/CN203712916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943093A (en) * | 2015-07-07 | 2015-09-30 | 慈溪恒煜电子有限公司 | Injection mould |
| CN105835317A (en) * | 2016-07-04 | 2016-08-10 | 浙江台州美多模具有限公司 | Large inclined head core-drawing mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202336981U (en) | Secondary demoulding mechanism of pull rod of injection mould | |
| CN104118098A (en) | Mould arc core-pulling mould-locking mechanism for arc air pipe | |
| CN203712916U (en) | De-molding mechanism for plastic part | |
| CN203973966U (en) | Arc tracheae mould arc core-pulling clamping mechanism | |
| CN202894220U (en) | Spruing device of horizontal automatic molding machine | |
| CN203831728U (en) | Air inlet and outlet cover mould of air pump | |
| CN204136363U (en) | A kind of safe ejecting mechanism for injection mold | |
| CN202016179U (en) | Ejection mechanism with inclined guide pillar and outer slide block for improved injection mould | |
| CN203460404U (en) | Inner parting mould protection mechanism of car bumper | |
| CN202016173U (en) | Three-plate mould | |
| CN102738681B (en) | Mould of low frequency point connector used for aerospace | |
| CN201755900U (en) | Automobile lampshade mold secondary ejection mechanism | |
| CN202895619U (en) | Notebook spindle die with push plate mechanism | |
| CN106827416A (en) | A kind of time delay slide block structure | |
| CN102615786B (en) | PPR (pentatricopeptide repeats) pipe casing lamination-injection mould | |
| CN205497988U (en) | Ejection structure of mold | |
| CN202200478U (en) | Double-section sliding block core-pulling mechanism of injection mold | |
| CN204844681U (en) | Plastics tap mould | |
| CN203973982U (en) | The built-in ejection cylinder leakage preventing mechanism of plastic chair mold | |
| CN203697418U (en) | Mechanism for floating and forcedly releasing large-sized seal retainer ring dies | |
| CN201833560U (en) | Ejection structure of mould | |
| CN203713006U (en) | Buckle inclined-sliding de-molding mechanism for plastic transfer container die | |
| CN205075297U (en) | Inside mouth of a river shear structure of mould, encapsulating injection mold | |
| CN203470822U (en) | Hot-working cast metal mould loose piece self-locking device | |
| CN203994500U (en) | A kind of half slide structure sealing ring spot pouring mouth injection mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |