CN216182487U - European style plastic chair mould pushes up demoulding mechanism to one side - Google Patents
European style plastic chair mould pushes up demoulding mechanism to one side Download PDFInfo
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- CN216182487U CN216182487U CN202122480145.4U CN202122480145U CN216182487U CN 216182487 U CN216182487 U CN 216182487U CN 202122480145 U CN202122480145 U CN 202122480145U CN 216182487 U CN216182487 U CN 216182487U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to an inclined top demolding mechanism of a European-style plastic chair mold. The utility model comprises an injection upper die and an injection lower die, wherein an upper die forming paneling is arranged at the bottom of the injection upper die, a high-tightness forming piece is arranged on the injection lower die, and the high-tightness forming piece corresponds to the upper die forming paneling in position. In the injection molding process, the injection upper mold and the injection lower mold are close to each other, so that the high-sealing formed part and the upper mold forming paneling are close to each other synchronously to form a complete cavity in a close fit manner, the high-sealing formed part can enable the cavity to have better sealing performance, the accuracy of the formed part is better, the molten material is injected into the cavity from the injection part, after the injection molding is completed, the mold is opened, the formed plastic part is synchronously ejected in multiple points through the multi-point inclined straight top combined demolding assembly, and the ejection mode combining the straight top and the inclined top is adopted, so that the ejection area is larger, and the ejection effect is better.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an inclined top demolding mechanism of a European-style plastic chair mold.
Background
With the continuous updating and upgrading of the market, the styles of the plastic chairs are more and more, the European style plastic chairs gradually occupy a certain market share, and the European style plastic chairs are of an integral structure, have the characteristics of complex shape, high processing speed, low cost and the like, and are widely applied to restaurants, families and the like. The existing European-style plastic chair mold is generally in a one-way straight ejection structure when a plastic part is ejected after injection molding in the production process, the ejection area is small, the edge of the plastic part is easy to clamp the shell, and the ejection effect is general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a plastic leisure chair seat mold stripping ejection mechanism is disclosed in the chinese patent application No. [ application number: 201420403838.0], comprising a die cavity and a core, wherein the cavity and the core are connected by a guide post, the gap between the cavity and the core forms a die cavity, a formed chair seat is arranged in the die cavity, a neck rest is arranged on the backrest of the chair seat, symmetrical collision grooves are arranged on both sides of the core positioned at the inner side of the neck rest, two collision grooves are respectively provided with a split neck rest insert, the bottom of the neck rest insert is attached to the backrest, the two split neck rest inserts are respectively driven by an outer slide oil cylinder to slide, the bottom of the core is provided with an ejection push groove, an ejection base is arranged in the ejection push groove, the ejection base is connected with a side push oil cylinder, a side push inclined chute is arranged in the ejection base, a side push block is arranged on the side push inclined chute, and the upper part of the side push block is inserted into the core to contact with the chair seat. The scheme adopts a mode of sliding outwards, solves the problem that the neck is difficult to demould normally, and the chair seat is ejected out and adopts the ejection block to push obliquely, so that the internal structure of the mould is simpler, the action is more stable, the service life is long, and the maintenance cost is saved. But the ejecting area of this scheme in ejecting process is still less, and moulds the piece edge and take place card shell easily, has the defect that ejecting effect is comparatively general.
Disclosure of Invention
The utility model aims to solve the problems and provides a European-style plastic chair mold pitched roof demolding mechanism.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a european style plastic chair mould pushes up demoulding mechanism to one side, includes mould plastics and moulds plastics the lower mould, mould plastics and go up mould bottom and be equipped with mould shaping panel, the lower mould of moulding plastics on be equipped with high leakproofness formed part, high leakproofness formed part and last mould shaping panel's position corresponding, mould plastics and be equipped with the portion of moulding plastics above the mould, the portion of moulding plastics and the position of last mould shaping panel corresponding, mould plastics lower mould below be equipped with the multiple spot and push up the combination drawing of patterns subassembly to one side, the multiple spot push up the combination drawing of patterns subassembly to one side corresponding with the position of high leakproofness formed part to one side.
In foretell european style plastic chair mould pushes up demoulding mechanism to one side, the oblique straight top combination drawing of patterns subassembly of multiple spot including setting up in the ejector pin fixed plate of moulding plastics lower mould below, the ejector pin fixed plate on be equipped with straight top and oblique top, straight top and oblique top part respectively with the position of high leakproofness formed part corresponding.
In foretell european style plastic chair mould pushes up demoulding mechanism to one side, straight top and oblique top crisscross setting, oblique top including setting up a plurality of oblique ejector pins on the ejector pin fixed plate, a plurality of oblique ejector pins be rectangular array along ejector pin fixed plate central point and distribute, oblique ejector pin and high leakproofness formed part's position corresponding.
In foretell european style plastic chair mould pushes up demoulding mechanism to one side, straight top including setting up a plurality of straight ejector pins on the ejector pin fixed plate, a plurality of straight ejector pins along ejector pin fixed plate central line symmetry setting, straight ejector pin and oblique ejector pin crisscross setting, straight ejector pin central line and oblique ejector pin central line between the contained angle be the acute angle.
In the above european style plastic chair mold lifter demolding mechanism, the ejector rod fixing plate is further provided with a positioning guide part, the positioning guide part is in sliding fit with the injection molding lower mold, and the straight ejector rod and the inclined ejector rod are respectively arranged in a staggered manner with the positioning guide part.
In the above european style plastic chair mold lifter demolding mechanism, the positioning guide part comprises a plurality of positioning guide rods arranged on the ejector rod fixing plate, the straight ejector rods and the inclined ejector rods are respectively arranged in a staggered manner with the positioning guide rods, and the central lines of the straight ejector rods and the positioning guide rods are parallel to each other.
In the European style plastic chair mold inclined top demolding mechanism, the bottom of the ejector rod fixing plate is provided with the bearing plate, the bearing plate is provided with a plurality of pieces of deviation-proof iron which are symmetrical along the central line of the bearing plate, and the ejector rod fixing plate is in sliding fit with the deviation-proof iron.
In foretell european style plastic chair mould pushes up demoulding mechanism to one side, high leakproofness formed part including set up in last mould shaping panel and mould plastics the lower mould shaping panel between the lower mould, lower mould shaping panel in be equipped with sealed embedded profiled sheet, sealed embedded profiled sheet and last mould shaping panel's position corresponding.
In the above-mentioned european style plastic chair mould pushes up demoulding mechanism to one side, the portion of moulding plastics including set up the mainboard of moulding plastics above the mould of moulding plastics, the mainboard of moulding plastics in be equipped with the master hole of moulding plastics.
In the European-style plastic chair mold pitched roof demolding mechanism, the injection upper mold is internally provided with an injection sub-runner which is communicated with the injection main hole.
Compared with the prior art, the utility model has the advantages that:
1. in the injection molding process, the injection upper mold and the injection lower mold are close to each other, so that the high-sealing formed part and the upper mold forming paneling are close to each other synchronously to form a complete cavity in a close fit manner, the high-sealing formed part can enable the cavity to have better sealing performance, the accuracy of the formed part is better, the molten material is injected into the cavity from the injection part, after the injection molding is completed, the mold is opened, the formed plastic part is synchronously ejected in multiple points through the multi-point inclined straight top combined demolding assembly, and the ejection mode combining the straight top and the inclined top is adopted, so that the ejection area is larger, and the ejection effect is better.
2. In the moving process of the ejector rod fixing plate, the positioning guide rod is in sliding fit with the injection lower die, so that the deviation of the ejection angle in the multi-point ejection process can be avoided, the ejection accuracy is improved, the central line of the straight ejector rod is parallel to the central line of the positioning guide rod, the straight ejection direction and the moving direction are consistent, and the positioning is accurate.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of a bag explosion of the present invention.
Fig. 2 is an exploded view in another aspect of the utility model.
Fig. 3 is a partial structural schematic diagram of the present invention.
Fig. 4 is a partial structural view in another aspect of the present invention.
In the figure: the injection molding device comprises an injection molding upper die 1, an injection molding lower die 2, an upper die molding paneling 3, a high-tightness molding piece 4, an injection molding part 5, a multi-point oblique and straight top combined demoulding assembly 6, an ejector rod fixing plate 7, a straight top part 8, an oblique top part 9, an oblique ejector rod 10, a straight ejector rod 11, a positioning guide part 12, a positioning guide rod 13, a bearing plate 14, anti-deviation iron 15, a lower die molding paneling 16, a sealing embedded molding plate 17, an injection molding main board 18, an injection molding main hole 19 and an injection molding sub-runner 20.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a european style plastic chair mold lifter demoulding mechanism, including mould 1 and the lower mould 2 of moulding plastics, mould 1 bottom of moulding plastics be equipped with mould shaping panel 3, the lower mould 2 of moulding plastics on be equipped with high leakproofness formed part 4, high leakproofness formed part 4 and last mould shaping panel 3's position corresponding, mould 1 top of moulding plastics be equipped with the portion of moulding plastics 5, the portion of moulding plastics 5 and last mould shaping panel 3's position corresponding, mould 2 below be equipped with multipoint oblique straight top combination drawing of patterns subassembly 6, multipoint oblique straight top combination drawing of patterns subassembly 6 and high leakproofness formed part 4's position corresponding.
In the embodiment, in the injection molding process, the injection molding upper die 1 and the injection molding lower die 2 are close to each other, so that the high-sealing molded part 4 and the upper die molded paneling 3 are close to each other synchronously, a complete cavity is formed by close fit, the cavity has better sealing performance due to the high-sealing molded part 4, the precision of the molded part is better, the molten material is injected into the cavity from the injection molding part 5, after the injection molding is completed, the die is opened, the molded part is synchronously ejected in multiple points through the multi-point inclined straight top combined demolding component 6, and the ejection mode combining the straight top and the inclined top is adopted, so that the ejection area is larger, and the ejection effect is better.
Referring to fig. 1 and 3, the multi-point oblique straight top combined demolding assembly 6 includes a top rod fixing plate 7 disposed below the injection molding lower mold 2, a straight top portion 8 and an oblique top portion 9 are disposed on the top rod fixing plate 7, and the straight top portion 8 and the oblique top portion 9 correspond to the high-sealing molded part 4 respectively.
Specifically, the ejector rod fixing plate 7 is used for connecting and fixing the straight top part 8 and the inclined top part 9, after injection molding is completed, the mold is opened, the molded plastic part is ejected synchronously at multiple points through the straight top part 8 and the inclined top part 9, an ejection mode combining the straight top part and the inclined top part is adopted, the ejection area is large, and the ejection effect is good.
Referring to fig. 1 and 3, the straight top portions 8 and the inclined top portions 9 are arranged in a staggered manner, the inclined top portions 9 include a plurality of inclined ejector rods 10 arranged on the ejector rod fixing plate 7, the inclined ejector rods 10 are distributed in a rectangular array along the central point of the ejector rod fixing plate 7, and the positions of the inclined ejector rods 10 correspond to those of the high-sealing-property forming part 4.
In this embodiment, after the injection molding is completed, the mold is opened, the molded plastic part is ejected synchronously at multiple points through the inclined ejector rod 10, and the edge part of the plastic part is ejected effectively by adopting an ejection structure of the inclined ejector, so that the case clamping is reduced.
The straight top 8 including set up a plurality of straight ejector pins 11 on ejector pin fixed plate 7, a plurality of straight ejector pins 11 set up along ejector pin fixed plate 7 central line symmetry, straight ejector pin 11 and oblique ejector pin 10 crisscross setting, straight ejector pin 11 central line and the contained angle between the oblique ejector pin 10 central line be the acute angle.
In this embodiment, after the injection molding is completed, the mold is opened, the molded plastic part is ejected synchronously at multiple points through the straight ejector rod 11, and the central part of the plastic part is conveniently ejected effectively by adopting the straight ejection structure, so that the ejection area is large.
Referring to fig. 3, the ejector rod fixing plate 7 is further provided with a positioning guide portion 12, the positioning guide portion 12 is in sliding fit with the injection lower mold 2, and the straight ejector rods 11 and the inclined ejector rods 10 are respectively arranged in a staggered manner with the positioning guide portion 12.
In the embodiment, in the moving process of the ejector rod fixing plate 7, the deviation of the ejection angle in the multi-point ejection process can be avoided through the sliding fit between the positioning guide part 12 and the injection molding lower die 2, and the ejection accuracy is improved.
The positioning guide part 12 comprises a plurality of positioning guide rods 13 arranged on the ejector rod fixing plate 7, the straight ejector rods 11 and the inclined ejector rods 10 are respectively arranged in a staggered mode with the positioning guide rods 13, and the central line of the straight ejector rods 11 is parallel to the central line of the positioning guide rods 13.
In the embodiment, in the moving process of the ejector rod fixing plate 7, through the sliding fit between the positioning guide rod 13 and the injection molding lower die 2, the situation that the ejection angle deviates in the multi-point ejection process can be avoided, the ejection accuracy is improved, the central line of the straight ejector rod 11 is parallel to the central line of the positioning guide rod 13, the straight ejection direction and the moving direction are consistent, and the positioning is accurate.
The bottom of the ejector rod fixing plate 7 is provided with a bearing plate 14, the bearing plate 14 is provided with a plurality of anti-deviation iron 15 which are symmetrical along the central line of the bearing plate 14, and the ejector rod fixing plate 7 is in sliding fit with the anti-deviation iron 15.
In this embodiment, prevent that cunning iron 15 plays limiting displacement to ejector pin fixed plate 7, avoids ejector pin fixed plate 7 to take place circumference and deflect at the removal in-process.
Referring to fig. 4, the high-sealability formed part 4 comprises a lower mold panel 16 disposed between the upper mold panel 3 and the injection mold 2, wherein a sealing insert molding plate 17 is disposed in the lower mold panel 16, and the sealing insert molding plate 17 corresponds to the upper mold panel 3.
In the embodiment, when the die is closed, the lower die forming paneling 16 and the upper die forming paneling 3 are close to each other, so that the sealing embedded forming plate 17 is abutted to the upper die forming paneling 3 to form a complete die cavity, the sealing performance is good, and the precision of the plastic part during injection molding is improved.
Referring to fig. 1 and 2, the injection molding part 5 includes an injection molding main plate 18 disposed above the injection molding upper mold 1, and an injection molding main hole 19 is disposed in the injection molding main plate 18.
In this embodiment, during the injection molding process, the molten material is injected from the injection main hole 19 in the injection main plate 18.
Referring to fig. 1, an injection molding runner 20 is arranged in the injection molding upper die 1, and the injection molding runner 20 is communicated with the injection molding main hole 19.
In this embodiment, in the process of moulding plastics, the molten material pours into from the main hole 19 of moulding plastics in the mainboard 18 of moulding plastics, and the rethread runner 20 of moulding plastics shunts the molten material, reaches better reposition of redundant personnel effect, has improved the speed of moulding plastics, has shortened the molding cycle who moulds the piece.
The working principle of the utility model is as follows:
in the injection molding process, the injection upper mold 1 and the injection lower mold 2 are close to each other, so that the high-sealing forming part 4 and the upper mold forming paneling 3 are close to each other synchronously, the close fit is achieved, the sealing embedded forming plate 17 is abutted to the upper mold forming paneling 3 to form a complete cavity, the sealing embedded forming plate has better sealing property, the precision of the plastic part during injection molding is improved,
the melted materials are injected from the injection main hole 19 in the injection main board 18 and then are shunted by the injection shunt 20, thereby achieving better shunting effect, improving the injection speed, shortening the molding cycle of the plastic parts,
after the injection molding is finished, the mold is opened, the ejector rod fixing plate 7 is moved, the oblique straight ejector rod 11 and the ejector rod 10 are driven by the ejector rod fixing plate 7 to synchronously eject the molded plastic piece in multiple points, the ejection mode combining the straight ejection and the oblique ejection is adopted, the ejection area is large, the ejection effect is good,
in the moving process of the ejector rod fixing plate 7, the deviation of the ejection angle in the multi-point ejection process can be avoided through the sliding fit between the positioning guide rod 13 and the injection lower die 2, the ejection accuracy is improved, the central line of the straight ejector rod 11 is parallel to the central line of the positioning guide rod 13, the straight ejection direction and the moving direction are consistent, the positioning is accurate,
the anti-deflection iron 15 plays a limiting role in the ejector rod fixing plate 7, and circumferential deflection of the ejector rod fixing plate 7 in the moving process is avoided.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although the terms of the injection upper mold 1, the injection lower mold 2, the upper mold molded panel 3, the high-sealability molded part 4, the injection part 5, the multi-point slant-top combined demolding component 6, the ejector fixing plate 7, the straight top part 8, the slant top part 9, the slant ejector rod 10, the straight ejector rod 11, the positioning guide part 12, the positioning guide rod 13, the bearing plate 14, the anti-bias iron 15, the lower mold molded panel 16, the sealing embedded molded plate 17, the injection main plate 18, the injection main hole 19, the injection runner 20 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a european style plastic chair mould pushes up demoulding mechanism to one side, mould (1) and mould plastics lower mould (2) including moulding plastics, its characterized in that, mould plastics and be equipped with mould shaping panel (3) bottom mould (1) of moulding plastics, mould plastics lower mould (2) on be equipped with high leakproofness formed part (4), high leakproofness formed part (4) and the position of last mould shaping panel (3) corresponding, mould plastics and be equipped with injection molding portion (5) above mould (1), injection molding portion (5) and the position of last mould shaping panel (3) corresponding, mould plastics lower mould (2) below be equipped with the oblique straight top of multiple spot combination drawing of patterns subassembly (6), the oblique straight top of multiple spot combination drawing of patterns subassembly (6) and the position of high leakproofness formed part (4) corresponding.
2. The european style plastic chair mold lifter demolding mechanism according to claim 1, wherein the multi-point lifter-lifter straight-top combined demolding assembly (6) comprises a lifter fixing plate (7) disposed below the injection lower mold (2), the lifter fixing plate (7) is provided with a straight top portion (8) and a lifter portion (9), and the straight top portion (8) and the lifter portion (9) correspond to the positions of the high-sealability molded parts (4), respectively.
3. The european style plastic chair mold pentroof demolding mechanism according to claim 2, wherein the straight top portion (8) and the pentroof portion (9) are arranged in a staggered manner, the pentroof portion (9) comprises a plurality of pentroof rods (10) arranged on the rod fixing plate (7), the plurality of pentroof rods (10) are distributed in a rectangular array along the central point of the rod fixing plate (7), and the pentroof rods (10) correspond to the positions of the high-sealability molded parts (4).
4. The european style plastic chair mold lifter demolding mechanism according to claim 3, wherein the straight top portion (8) comprises a plurality of straight ejector pins (11) arranged on the ejector pin fixing plate (7), the straight ejector pins (11) are symmetrically arranged along a center line of the ejector pin fixing plate (7), the straight ejector pins (11) and the lifter pins (10) are staggered, and an included angle between a center line of the straight ejector pins (11) and a center line of the lifter pins (10) is an acute angle.
5. The European style plastic chair mold lifter demolding mechanism according to claim 4, wherein the ejector rod fixing plate (7) is further provided with a positioning guide part (12), the positioning guide part (12) is in sliding fit with the injection lower mold (2), and the straight ejector rods (11) and the lifter rods (10) are respectively arranged in a staggered manner with the positioning guide part (12).
6. The european style plastic chair mold lifter demolding mechanism according to claim 5, wherein the positioning guide part (12) comprises a plurality of positioning guide rods (13) arranged on the ejector rod fixing plate (7), the straight ejector rods (11) and the inclined ejector rods (10) are respectively staggered with the positioning guide rods (13), and the center line of the straight ejector rods (11) is parallel to the center line of the positioning guide rods (13).
7. The European-style plastic chair mold pitched roof demolding mechanism according to claim 6, wherein the bottom of the ejector rod fixing plate (7) is provided with a supporting plate (14), the supporting plate (14) is provided with a plurality of anti-deflection irons (15) which are symmetrical along the center line of the supporting plate (14), and the ejector rod fixing plate (7) is in sliding fit with the anti-deflection irons (15).
8. The european plastic chair mold pent roof demolding mechanism according to claim 7, wherein the high-sealability molded part (4) comprises a lower mold molding panel (16) disposed between the upper mold molding panel (3) and the injection lower mold (2), wherein a sealing insert molding plate (17) is disposed in the lower mold molding panel (16), and the sealing insert molding plate (17) corresponds to the upper mold molding panel (3).
9. The european style plastic chair mold pentroof demolding mechanism according to claim 8, wherein the injection molding part (5) comprises an injection molding main plate (18) disposed above the injection molding upper mold (1), and the injection molding main plate (18) is provided with an injection molding main hole (19).
10. The european style plastic chair mold pitched roof demolding mechanism according to claim 9, wherein, the injection upper mold (1) is provided with injection sub-runners (20), the injection sub-runners (20) are connected with the injection main hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480145.4U CN216182487U (en) | 2021-10-14 | 2021-10-14 | European style plastic chair mould pushes up demoulding mechanism to one side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122480145.4U CN216182487U (en) | 2021-10-14 | 2021-10-14 | European style plastic chair mould pushes up demoulding mechanism to one side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182487U true CN216182487U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122480145.4U Active CN216182487U (en) | 2021-10-14 | 2021-10-14 | European style plastic chair mould pushes up demoulding mechanism to one side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182487U (en) |
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2021
- 2021-10-14 CN CN202122480145.4U patent/CN216182487U/en active Active
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