CN214773789U - Injection mold super large angle pushes up to one side and takes off back-off mechanism - Google Patents
Injection mold super large angle pushes up to one side and takes off back-off mechanism Download PDFInfo
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- CN214773789U CN214773789U CN202120124781.0U CN202120124781U CN214773789U CN 214773789 U CN214773789 U CN 214773789U CN 202120124781 U CN202120124781 U CN 202120124781U CN 214773789 U CN214773789 U CN 214773789U
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Abstract
The injection mold ultra-large angle inclined ejection tripping and back-off mechanism comprises an upper compound plate and a lower compound plate, wherein a hot runner plate is connected below the upper compound plate, a cavity is connected below the hot runner plate, a mold foot is connected on the lower compound plate, a mold core is connected on the mold foot, and an upper ejector plate, a lower ejector plate and an inclined ejection tripping and back-off assembly are arranged between the mold core and the lower compound plate; the inclined ejection disengaging and reversing assembly comprises an ejector rod and an inclined ejector rod, the ejector rod is vertically installed, and the inclined ejector rod is installed in an inclined mode and has different ejection speeds relative to the ejector rod when the upper ejector plate and the lower ejector plate move upwards. The injection mold ultra-large angle inclined ejection and back-off mechanism of the utility model ejects the injection molding piece through the ejector rod matched with the inclined ejector rod, wherein the inclined ejector rod is obliquely ejected, and the ejection speed is different from that of the ejector rod through the matching action of the cross rod, the slide seat and the slide block, thereby realizing the demoulding of the back-off product; the mechanism can simplify the structure of the die, reduce the manufacturing cost of the die and improve the production efficiency.
Description
Technical Field
The utility model relates to an injection mold field, more specifically the injection mold super large angle pushes up to one side and takes off back-off mechanism that says so.
Background
Some plastic parts, due to the assembly requirements, typically have large mounting holes or doghouse angles and therefore cannot be directly designed into conventional pentels or sliders. Generally, core pulling or small mold opening of the core is carried out, the core pulling sliding block is driven by an oil cylinder to separate from an inverted buckle along with the inverted pulling angle of a product, so that the product is separated, and the small mold opening is carried out by using an external pull hook and an internal spring to separate the core and a core backing plate for a certain distance, so that the product is separated from the inverted buckle, and the product is ejected and taken out. The structure has the following disadvantages: firstly, the oil cylinder is used for core pulling, so that the cost of the die is increased; secondly, the mechanism of a small mold opening mold is complex, and a spring is easy to block, so that the mold is damaged. Therefore, it is urgently needed to design an injection mold super-large angle inclined ejection undercut removing mechanism so as to meet the requirement of demoulding of undercut injection molding parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides an injection mold ultra-large angle inclined ejection and back-off mechanism aiming at the defects of the prior art, the injection mold ultra-large angle inclined ejection and back-off mechanism of the utility model ejects an injection molding piece through a mandril and an inclined mandril together in a matching way, wherein the inclined mandril is obliquely ejected, and the ejection speed is different from the ejection speed of the mandril through the matching action of a cross rod, a slide seat and a slide block, thereby realizing the demoulding of a back-off product; the mechanism can simplify the structure of the die, reduce the manufacturing cost of the die and improve the production efficiency.
The utility model has the following specific technical scheme that the injection mold ultra-large angle inclined ejection undercut removing mechanism comprises an upper compound plate and a lower compound plate, wherein a hot runner plate is connected below the upper compound plate, a cavity is connected below the hot runner plate, a mold foot is connected on the lower compound plate, a mold core is connected on the mold foot, and an upper ejector plate, a lower ejector plate and an inclined ejection undercut removing component are arranged between the mold core and the lower compound plate; the inclined ejection and back-off assembly comprises an ejector rod and an inclined ejector rod, the ejector rod is vertically installed, and the inclined ejector rod is installed in an inclined mode and has different ejection speeds relative to the ejector rod when the upper ejector plate and the lower ejector plate move upwards.
Therefore, the inclined ejector rod can be obliquely ejected, and the ejection speed is different from that of the ejector rod, so that the demolding of the reverse-buckled product is facilitated.
As the utility model discloses a preferred, the ejector pin lower extreme with go up thimble board rigid coupling, the upper end is passed offset bottom the injection molding behind the core.
Therefore, when the upper ejector plate is upwards ejected, the ejector rod can be driven to upwards eject and demold the product.
As the utility model discloses a preferred, the back-off subassembly is taken off to top to one side still includes slide, slider, crossbar, the slide is installed in the opening of going up thimble board face with sliding connection between the thimble board down, the slider with sliding connection between the slide, the crossbar slope is passed the slide connect in down the doubler with between the core lower surface, and inclination with oblique ejector pin incline direction is opposite.
Therefore, the sliding seat can slide on the lower ejector plate, the sliding block can slide on the sliding seat relatively, so that the sliding seat can transversely slide under the guide of the inclined path of the cross rod, the sliding block can reversely slide relative to the sliding seat according to the inclined path of the inclined ejector rod, and the inclined ejector rod can obliquely eject.
As the utility model discloses a preferred, the slide be equipped with run through from top to bottom and with the same guiding hole of crossbar slope extending direction, the crossbar with clearance fit between the guiding hole.
Thereby, the slide can slide laterally under the guiding action of the crossbar.
As the utility model discloses a preferred, the slide lower part is equipped with first slip edge, install the layering down on the thimble board, the slide passes through the layering will first slip edge with thimble board pressfitting only remains gliding degree of freedom down.
The carriage can thereby slide on the lower ejector plate in the direction of extension of the first sliding edge.
As the utility model discloses a preferred, the slope spout has been seted up on slide upper portion, the slider lower part is equipped with second slip edge, the embedding of second slip edge joint sliding connection in the slope spout.
Thereby, the slider can slide relative to the slider in the extending direction of the inclined slide groove.
As the utility model discloses a preferred, slope spout extending direction with the slide is in sliding direction is the contained angle on the thimble board down, and the contained angle is no longer than 30.
Therefore, when the slide block slides on the slide seat, the slide block has displacement in the vertical direction, so that the inclined ejector rod has different ejection speeds relative to the ejector rod.
As the utility model discloses a preferred, the slider upper end is equipped with oblique ejector pin jack, oblique ejector pin lower extreme install in the oblique ejector pin jack.
Therefore, the lower end of the inclined ejector rod can be stably fixed on the sliding block.
As the utility model discloses a preferred, the ejector pin upper end is passed behind the core is articulated with oblique kicking block lower extreme, kicking block upper end offsets bottom the injection molding to one side.
Therefore, the inclined ejector block is hinged with the inclined ejector rod, so that the inclined ejector block can have a rotation adjusting space, the upper end face of the inclined ejector block is guaranteed to be always attached to the bottom of an injection molding piece, and the product is more stably demoulded.
As the utility model discloses a preferred, the core is in install oblique top guide sliding sleeve in the hole that oblique ejector pin passed, oblique ejector pin excircle with offset cooperation between the oblique top guide sliding sleeve hole.
Therefore, the friction force of the inclined ejector rod can be reduced through the action of the inclined ejector guide sliding sleeve, so that the inclined ejector rod can be ejected more smoothly, less abrasion can be caused, and the service life of the die is prolonged.
To sum up, the utility model discloses following beneficial effect has:
the injection mold ultra-large angle inclined ejection and back-off mechanism of the utility model ejects the injection molding piece through the ejector rod matched with the inclined ejector rod, wherein the inclined ejector rod is obliquely ejected, and the ejection speed is different from that of the ejector rod through the matching action of the cross rod, the slide seat and the slide block, thereby realizing the demoulding of the back-off product; the mechanism can simplify the structure of the die, reduce the manufacturing cost of the die and improve the production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the injection mold in a mold closing state with an ultra-large angle inclined ejection undercut-removing mechanism;
FIG. 2 is a schematic structural view of the injection mold in the mold opening state of the ultra-large angle inclined ejecting and releasing back-off mechanism of the injection mold of the present invention;
FIG. 3 is a schematic structural view of the injection mold after demolding of the ultra-large angle lifter undercut removing mechanism of the utility model;
FIG. 4 is a schematic structural view of the injection mold with an ultra-large angle inclined ejecting and releasing mechanism with a slide seat and a slide block matched with each other;
in the figure, 1-upper compound plate, 2-lower compound plate, 3-hot runner plate, 4-cavity, 5-mould foot, 6-mould core, 61-oblique top guide sliding sleeve, 7-upper ejector plate, 8-lower ejector plate, 81-pressing bar, 9-oblique top tripping reverse buckle component, 91-ejector rod, 92-oblique ejector rod, 93-sliding seat, 931-guide hole, 932-first sliding edge, 933-oblique sliding groove, 94-sliding block, 941-second sliding edge, 942-oblique ejector rod jack, 95-cross rod and 96-oblique ejector block.
Detailed Description
The present invention will be further explained by the following embodiments with reference to the attached drawings.
As shown in fig. 1, 2 and 3, the injection mold ultra-large angle inclined ejecting and back-off mechanism comprises an upper compound plate 1 and a lower compound plate 2, wherein a hot runner plate 3 is connected below the upper compound plate 1, a cavity 4 is connected below the hot runner plate 3, a mold foot 5 is connected on the lower compound plate 2, a mold core 6 is connected on the mold foot 5, and an upper ejector plate 7, a lower ejector plate 8 and an inclined ejecting and back-off assembly 9 are arranged between the mold core 6 and the lower compound plate 2; the inclined ejection reverse-buckling assembly 9 comprises an ejector rod 91 and an inclined ejector rod 92, wherein the ejector rod 91 is vertically installed, and the inclined ejector rod 92 is obliquely installed and has different ejection speeds relative to the ejector rod 91 when the upper ejector plate 7 and the lower ejector plate 8 move upwards.
Therefore, the inclined ejector rod 92 can be obliquely ejected, and the ejection speed is different from that of the ejector rod 91, so that the demolding of the reverse-buckled product is facilitated.
Referring to fig. 1, 2 and 3, the lower end of the ejector rod 91 is fixedly connected with the upper ejector plate 7, and the upper end of the ejector rod penetrates through the mold core 6 and abuts against the bottom of the injection molding part.
Therefore, when the upper ejector plate 7 is ejected upwards, the ejector 91 can be driven to eject the product upwards for demoulding.
As shown in fig. 1, 2 and 3, the inclined ejector reverse-buckling assembly 9 further comprises a sliding seat 93, a sliding block 94 and a cross rod 95, the sliding seat 93 is mounted in the opening on the surface of the upper ejector plate 7 and is connected with the lower ejector plate 8 in a sliding manner, the sliding block 94 is connected with the sliding seat 93 in a sliding manner, the cross rod 95 obliquely penetrates through the sliding seat 93 and is connected between the lower compound plate 2 and the lower surface of the core 6, and the oblique angle is opposite to the oblique direction of the inclined ejector rod 92.
Thus, the slide 93 can slide on the lower ejector plate 8, and the slider 94 can slide on the slide 93 relative to each other, so that the slide 93 can slide laterally under the guide of the inclined path of the cross bar 95, and the slider 94 can slide in the opposite direction to the slide 93 according to the inclined path of the inclined ejector rod 92, thereby performing the operation of inclined ejection of the inclined ejector rod 92.
As shown in fig. 1, 2, 3 and 4, the slider 93 has a guide hole 931 penetrating vertically and extending obliquely in the same direction as the cross bar 95, and the cross bar 95 is fitted in the guide hole 931 with a clearance.
Thereby, the carriage 93 can slide laterally under the guiding action of the crossbar 95.
As shown in fig. 1, 2, 3 and 4, a first sliding edge 932 is provided at the lower part of the sliding seat 93, a bead 81 is installed on the lower ejector plate 8, and the sliding seat 93 presses the first sliding edge 932 and the lower ejector plate 8 through the bead 81, and only the degree of freedom of sliding is maintained.
As a result, the carriage 93 can slide on the lower ejector plate 8 in the direction in which the first sliding edge 932 extends.
As shown in fig. 1, 2, 3, and 4, an inclined sliding groove 933 is formed at the upper portion of the sliding seat 93, a second sliding edge 941 is formed at the lower portion of the sliding block 94, and the second sliding edge 941 is embedded in the inclined sliding groove 933 for engagement and sliding connection.
Thereby, the slider 94 can slide in the extending direction of the inclined slide groove 933 with respect to the slider 93.
As shown in fig. 1, 2, 3 and 4, the extending direction of the inclined chute 933 forms an included angle with the sliding direction of the sliding seat 93 on the lower ejector plate 8, and the included angle is not more than 30 °.
Accordingly, the slider 94 is displaced in the vertical direction when sliding on the slider 93, and the oblique push rod 92 has different push speeds with respect to the push rod 91.
As shown in fig. 1, 2, 3 and 4, the upper end of the slider 94 is provided with an oblique post rod insertion hole 942, and the lower end of the oblique post rod 92 is installed in the oblique post rod insertion hole 942.
Thus, the lower end of the lifter 92 can be stably fixed to the slider 94.
As shown in fig. 1, 2 and 3, the upper end of the inclined ejector rod 92 passes through the mold core 6 and then is hinged with the lower end of the inclined ejector block 96, and the upper end of the inclined ejector block 96 is abutted against the bottom of the injection molding part.
From this, the oblique kicking block 96 is articulated with oblique ejector pin 92 and can make it possess rotatory adjustment space, guarantees that oblique kicking block 96 up end hugs closely with the injection molding bottom all the time, makes the drawing of patterns of product more stable.
As shown in fig. 1, 2 and 3, the core 6 is provided with an inclined top guide sliding sleeve 61 in an inner hole through which the inclined top rod 92 passes, and the excircle of the inclined top rod 92 is in butt fit with the inner hole of the inclined top guide sliding sleeve 61.
Therefore, the friction force of the inclined ejector rod 92 can be reduced through the action of the inclined ejector guide sliding sleeve 61, so that the inclined ejector rod can be ejected more smoothly, the abrasion can be reduced, and the service life of the die can be prolonged.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. Injection mold super large angle pushes up to one side and takes off back-off mechanism, its characterized in that: the mold comprises an upper compound plate (1) and a lower compound plate (2), wherein a hot runner plate (3) is connected below the upper compound plate (1), a cavity (4) is connected below the hot runner plate (3), a mold foot (5) is connected on the lower compound plate (2), a mold core (6) is connected on the mold foot (5), and an upper thimble plate (7), a lower thimble plate (8) and an inclined ejection tripping reverse buckling assembly (9) are arranged between the mold core (6) and the lower compound plate (2); the inclined ejection tripping assembly (9) comprises an ejector rod (91) and an inclined ejector rod (92), wherein the ejector rod (91) is vertically installed, and the inclined ejector rod (92) is obliquely installed and has different ejection speeds relative to the ejector rod (91) when the upper ejector plate (7) and the lower ejector plate (8) move upwards.
2. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 1, which is characterized in that: the lower end of the ejector rod (91) is fixedly connected with the upper ejector pin plate (7), and the upper end of the ejector rod penetrates through the mold core (6) and then abuts against the bottom of an injection molding part.
3. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 1, which is characterized in that: the oblique top takes off back-off subassembly (9) still includes slide (93), slider (94), crossbar (95), slide (93) are installed in the opening of last thimble board (7) face with sliding connection between thimble board (8) down, slider (94) with sliding connection between slide (93), crossbar (95) slope is passed slide (93) connect in down double plate (2) with between core (6) the lower surface, and inclination with oblique ejector pin (92) incline direction is opposite.
4. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 3, which is characterized in that: slide (93) be equipped with run through from top to bottom and with cross bar (95) slope extending direction the same guiding hole (931), cross bar (95) with clearance fit between guiding hole (931).
5. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 3, which is characterized in that: slide (93) lower part is equipped with first sliding edge (932), install layering (81) down on thimble board (8), slide (93) pass through layering (81) will first sliding edge (932) with thimble board (8) pressfitting down only remains gliding degree of freedom.
6. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 3, which is characterized in that: slope spout (933) have been seted up on slide (93) upper portion, slider (94) lower part is equipped with second sliding edge (941), second sliding edge (941) embedding joint sliding connection in slope spout (933).
7. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 6, which is characterized in that: the extension direction of the inclined sliding groove (933) and the sliding direction of the sliding seat (93) on the lower ejector plate (8) form an included angle, and the included angle is not more than 30 degrees.
8. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 7, which is characterized in that: the upper end of the sliding block (94) is provided with an inclined ejector rod insertion hole (942), and the lower end of the inclined ejector rod (92) is installed in the inclined ejector rod insertion hole (942).
9. The injection mold ultra-large angle pitched roof reverse-buckling removing mechanism of claim 8, which is characterized in that: the upper end of the inclined ejector rod (92) penetrates through the mold core (6) and then is hinged with the lower end of an inclined ejector block (96), and the upper end of the inclined ejector block (96) is abutted against the bottom of an injection molding part.
10. The injection mold ultra-large angle pitched roof back-off mechanism of claim 9, which is characterized in that: the core (6) is in the hole that oblique ejector pin (92) passed installs oblique top guide sliding sleeve (61), oblique ejector pin (92) excircle with between the oblique top guide sliding sleeve (61) hole counterbalance cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124781.0U CN214773789U (en) | 2021-01-18 | 2021-01-18 | Injection mold super large angle pushes up to one side and takes off back-off mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124781.0U CN214773789U (en) | 2021-01-18 | 2021-01-18 | Injection mold super large angle pushes up to one side and takes off back-off mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN214773789U true CN214773789U (en) | 2021-11-19 |
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| CN202120124781.0U Active CN214773789U (en) | 2021-01-18 | 2021-01-18 | Injection mold super large angle pushes up to one side and takes off back-off mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434757A (en) * | 2022-01-27 | 2022-05-06 | 青岛海泰科模具有限公司 | Mold for demolding of large-angle reverse buckle |
| CN115195049A (en) * | 2022-09-06 | 2022-10-18 | 佛山市优坐家具有限公司 | Seat plate injection mold and demolding method |
| CN115195041A (en) * | 2022-07-14 | 2022-10-18 | 富诚汽车零部件有限公司 | Mould with pitched roof structure |
-
2021
- 2021-01-18 CN CN202120124781.0U patent/CN214773789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434757A (en) * | 2022-01-27 | 2022-05-06 | 青岛海泰科模具有限公司 | Mold for demolding of large-angle reverse buckle |
| CN115195041A (en) * | 2022-07-14 | 2022-10-18 | 富诚汽车零部件有限公司 | Mould with pitched roof structure |
| CN115195049A (en) * | 2022-09-06 | 2022-10-18 | 佛山市优坐家具有限公司 | Seat plate injection mold and demolding method |
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