CN113752493A - Cross inclined-ejection reverse-buckling-removing mechanism of injection mold - Google Patents
Cross inclined-ejection reverse-buckling-removing mechanism of injection mold Download PDFInfo
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- CN113752493A CN113752493A CN202111074842.8A CN202111074842A CN113752493A CN 113752493 A CN113752493 A CN 113752493A CN 202111074842 A CN202111074842 A CN 202111074842A CN 113752493 A CN113752493 A CN 113752493A
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- Prior art keywords
- rod
- cross
- block
- ejector
- double
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The invention discloses a cross inclined ejection and back-off mechanism of an injection mold, which comprises an upper compound plate and a lower compound plate, wherein a cavity is connected below the upper compound plate, a mold core is arranged on the lower compound plate, an ejector plate is arranged between the lower compound plate and the mold core, the cross inclined ejection mechanism also comprises a cross inclined ejection assembly, the cross inclined ejection assembly comprises an inclined ejection block assembly arranged on the mold core and a cross inclined ejector rod arranged on the ejector plate, the inclined ejection block assembly is connected to the upper end of the cross inclined ejector rod, and the inclined ejection block assembly comprises a first inclined ejection block and a second inclined ejection block which are fixedly inserted with each other. The invention provides a cross inclined ejection reverse-buckling removing mechanism of an injection mold, which solves the problem that two inclined ejection blocks cannot be placed due to insufficient inclined ejection space in a plastic part, and has the advantages of simple structure, high production efficiency and smooth inclined ejection reverse-buckling removing.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a crossed inclined ejection and back-off mechanism of an injection mold.
Background
The mold is an important tool indispensable for injection molding. The injection molding is a processing method for injecting hot-melt plastic materials into a closed cavity with a required shape in a mold at a high speed, opening the mold to eject a solidified plastic product after the plastic materials are cooled and solidified, and obtaining a molded product. At present, because the pitched roof is relatively close to each other, two pitched roof heads cannot be put into some plastic parts, so that the plastic parts cannot be pitched by a traditional method. There are also cross lifter devices, such as "a cross dual-guide lifter device" disclosed in the chinese patent literature, which is publication No. CN205800103U, including a base plate, a stationary die assembly and a movable die; the inclined top assembly is arranged on the bottom plate and comprises an inclined top guide rod and an auxiliary guide rod, the lower end of the inclined top guide rod is connected with the auxiliary guide rod, the upper end of the inclined top guide rod extends upwards out of the movable mold and is fixedly connected with an inclined top, and the inclined top is positioned in the injection molding cavity; the sliding core seat comprises a base, the base is movably arranged on the auxiliary guide rod, an inclined surface is arranged on the upper surface of the base, an installation groove is formed in the inclined surface, a sliding core is arranged in the installation groove, and the lower end of the inclined top guide rod is fixedly connected to the sliding core; the guide sleeve is arranged on the movable die, the inclined top guide rod penetrates through the guide sleeve, a pressing plate is fixedly connected to the movable die, and one end of the guide sleeve is abutted to the pressing plate. Although the oblique top device in this patent technical scheme has used the structure of crossing double-guide pole, it carries out the oblique top not through the alternately of oblique ejector pin itself, and can't solve the working of plastics because the oblique top is apart from the problem that can't put into two oblique top more closely.
Disclosure of Invention
The invention aims to solve the problems that two inclined ejection heads cannot be placed in a plastic part due to the fact that the inclined ejection distance is relatively short in the prior art, provides the cross inclined ejection reverse-buckling removing mechanism of the injection mold, solves the problem that two inclined ejection blocks cannot be placed in the plastic part due to insufficient inclined ejection space, and is simple in structure, high in production efficiency and smooth in inclined ejection reverse-buckling removing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an injection mold alternately pushes up to one side and takes off mechanism of back-off, includes compound board and lower compound board, connects the die cavity in last compound board below, is provided with the core under on the compound board, is provided with the thimble board between compound board and core under, still includes alternately and pushes up the subassembly to one side, alternately pushes up the subassembly to one side including installing the oblique ejector block subassembly on the core, set up the oblique ejector pin of intersection on the thimble board, the upper end at alternately oblique ejector pin is connected to the ejector block subassembly to one side, oblique ejector block subassembly includes the oblique ejector block of first oblique ejector block and the oblique ejector block of second of pegging graft each other fixedly.
In this technical scheme, through the fixed first oblique kicking block of pegging graft each other and the oblique kicking block of second merge two oblique kicking blocks into oblique kicking block group spare, and then be convenient for reduce the space that occupies of oblique kicking block, the problem that can't put into two oblique kicking blocks to the top space is not enough in the working of plastics has been solved, alternately oblique ejector pin has realized pushing up to the one side of mould from the equidirectional, the working of plastics of being convenient for are ejecting, in addition, alternately oblique kicking block group spare simple structure, only need to shift up through last thimble board and lower thimble board can be ejecting the working of plastics, and the operation is convenient, and the production efficiency is high.
Preferably, the first inclined ejecting block is provided with an inserting notch, the second inclined ejecting block is provided with an inserting bulge, and the inserting bulge is arranged in the inserting notch.
The plug-in protrusion and the plug-in notch fix the first oblique ejector block and the second oblique ejector block together, and the setting of the plug-in notch facilitates the separation between the first oblique ejector block and the second oblique ejector block when the oblique ejector block is pushed, so that the space of the oblique ejector blocks is reduced by combining the two oblique ejector blocks, and the problem that two oblique ejector heads cannot be put into the plastic part due to the fact that the oblique ejector distance is short is solved.
Preferably, the crossed oblique ejector rod comprises a first oblique ejector rod connected with the first oblique ejector block and a second oblique ejector rod connected with the second oblique ejector block, and the oblique direction of the first oblique ejector rod and the oblique direction of the second oblique ejector rod are arranged in a crossed mode.
The arrangement facilitates the force application to the plastic part from two different directions, so that the plastic part can be smoothly ejected from the mold in an inclined manner.
Preferably, a double-rod guide mechanism is provided at the lower end of the first lifter.
The double-rod guide mechanism plays a role in guiding the ejection of the first oblique ejector rod, and is convenient for controlling the ejection direction of the first oblique ejector rod.
Preferably, double-pole guiding mechanism includes the double-pole slide and wears to establish the guide bar in the double-pole slide, the double-pole slide is fixed on last ejector plate, and first oblique ejector pin and the equal slope setting of guide bar are on the double-pole slide.
The guide rod and the double-rod sliding seat are matched to guide the ejection of the first inclined ejector rod, so that the upper ejector plate moves upwards to drive the double-rod sliding seat to move upwards, and the first inclined ejector rod is obliquely ejected under the matching action of the guide rod and the double-rod sliding seat.
Preferably, the lower end of the first oblique ejector rod is fixed on the double-rod sliding seat, the guide rod penetrates through the double-rod sliding seat in an inclined mode, and the guide rod and the first oblique ejector rod are arranged in parallel.
The guide rod plays a role in guiding the ejection of the first oblique ejector rod, the first oblique ejector rod arranged on the guide rod and the first oblique ejector rod in parallel is ejected smoothly, and interference of the guide rod on the ejection of the first oblique ejector rod is avoided.
Preferably, the lower end of the guide rod is provided with a guide fixing seat, the upper end of the guide rod is arranged at the bottom of the mold core, and the guide fixing seat is fixed on the lower compound plate.
The two ends of the guide rod are respectively fixed by the mold core and the lower compound plate, so that the guide rod is prevented from moving in the upward moving process of the ejector plate to influence the guide effect of the ejector plate.
Preferably, an inclined ejector slide seat is arranged at the bottom of the second inclined ejector rod, and the inclined ejector block slide seat is fixed on the lower ejector plate.
The second inclined ejector rod moves upwards through the lower ejector plate to eject the second inclined ejector block.
Therefore, the invention has the following beneficial effects: the problem of in the working of plastics to one side the space not enough can't put into two oblique kicking blocks is solved, simple structure, production efficiency are high, the oblique top takes off the back-off smoothly.
Drawings
FIG. 1 is a schematic structural diagram of a cross inclined-top reverse-buckling removing mechanism of an injection mold;
FIG. 2 is a schematic structural view of the cross inclined ejection reverse-buckling mechanism of the injection mold after the inclined ejection;
FIG. 3 is a schematic structural view of a cross lifter assembly;
FIG. 4 is a cross-sectional view of the cross lifter assembly;
FIG. 5 is a schematic structural view of a first pitched roof mechanism;
FIG. 6 is a schematic structural view of a second pitched roof mechanism;
in the figure: 1. the device comprises an upper compound plate 2, a lower compound plate 3, a cavity 4, a mold foot 5, a mold core 6, an upper ejector plate 7, a lower ejector plate 8, a first inclined ejector block 801, an insertion notch 9, a second inclined ejector block 901, an insertion protrusion 10, a first inclined ejector rod 11, a second inclined ejector rod 12, a guide rod 13, a double-rod sliding seat 14, an inclined ejector sliding seat 15, a guide fixing seat 16, a guide sliding sleeve 17 and a plastic part.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example 1:
in embodiment 1 shown in fig. 1 and 2, an injection mold cross inclined ejection and back-off mechanism comprises an upper compound plate 1 and a lower compound plate 2, a cavity 3 is connected below the upper compound plate 1, a mold foot 4 is connected on the lower compound plate 2, a mold core 5 is connected on the mold foot 4, and an ejector plate is arranged between the mold core 5 and the lower compound plate 2 and comprises an upper ejector plate 6 and a lower ejector plate. The ejector plate is provided with a crossed inclined ejector assembly, the crossed inclined ejector assembly comprises an inclined ejector block assembly arranged on the mold core 5 and a crossed inclined ejector rod arranged on the ejector plate, and the inclined ejector block assembly is connected to the upper end of the crossed inclined ejector rod. The oblique ejector block assembly comprises a first oblique ejector block and a second oblique ejector block 901 which are fixedly inserted and connected with each other, the crossed oblique ejector rod comprises a first oblique ejector rod connected with the first oblique ejector block and a second oblique ejector rod 11 connected with the second oblique ejector block 901, and the first oblique ejector rod and the second oblique ejector rod 11 are arranged in a crossed mode, namely the inclined direction of the first oblique ejector rod and the inclined direction of the second oblique ejector rod 11 are arranged in a crossed mode. The lower end of the first inclined ejector rod 10 is provided with a double-rod guide mechanism, and the first inclined ejector block 8, the first inclined ejector rod 10 and the double-rod guide mechanism form a first inclined ejector mechanism. An inclined ejector slide seat 14 is arranged at the bottom of the second inclined ejector rod 11, an inclined ejector block slide seat is fixed on the lower ejector plate 7, and the second inclined ejector block 901 and the second inclined ejector rod 11 form a second inclined ejector mechanism.
As shown in fig. 5 and 6, an insertion notch 801 is formed in the first slanted ejecting block 8, an insertion protrusion is formed in the second slanted ejecting block 901, the insertion protrusion is arranged in the insertion notch 801, the first slanted ejecting block 8 and the second slanted ejecting block 901 are fixed together by the insertion protrusion and the insertion notch 801, and the insertion notch 801 is convenient for separation between the first slanted ejecting block 8 and the second slanted ejecting block 901 during slanted ejecting, so that the space of the slanted ejecting blocks is reduced by combining the two slanted ejecting blocks, the problem that the two slanted ejecting heads cannot be placed in the plastic part 17 due to the closer slanted ejecting distance is solved, and the slanted ejecting of the first slanted ejecting block 8 and the second slanted ejecting block 901 from different directions is realized.
As shown in fig. 3, the double-bar guide mechanism includes a double-bar slide 13 and a guide bar 12 inserted into the double-bar slide 13, wherein the double-bar slide 13 is fixed on the upper ejector plate 6, and the first inclined ejector pin 10 and the guide bar 12 are both obliquely arranged on the double-bar slide 13. The lower end of the first oblique ejector rod 10 is fixed on the double-rod sliding seat 13, the guide rod 12 obliquely penetrates through the double-rod sliding seat 13, and the guide rod 12 and the first oblique ejector rod 10 are arranged in parallel. The lower end of the guide rod 12 is provided with a guide fixing seat 15, the upper end of the guide rod 12 is arranged at the bottom of the mold core 5, the guide fixing seat 15 is fixed on the lower compound plate 2, the lower end of the guide rod 12 is fixed on the lower ejector plate 7 through a guide rod 12 positioning seat, and the guide rod 12 is driven by the lower ejector plate 7 to move upwards to realize the inclined ejection of the first inclined ejector rod 10.
In addition, as shown in fig. 4, the guide rod 12 is slidably disposed in the double-rod slide base 13, a guide sliding sleeve 16 is fixed in the double-rod slide base 13, and the guide sliding sleeve 16 is sleeved outside the guide rod 12.
When the inclined ejection is carried out, the double-rod sliding seat 13 is used for limiting the guide rod 12 and the first inclined ejection rod 10, the guide rod 12 and the double-rod sliding seat 13 are matched to play a role in guiding the ejection of the first inclined ejection rod 10, therefore, the upper ejector plate 6 moves upwards to drive the double-rod sliding seat 13 to move upwards, and the first inclined ejection rod 10 is obliquely ejected under the matching effect of the guide rod 12 and the double-rod sliding seat 13. And the movement of the lower ejector plate 7 drives the second inclined ejector rod 11 to move upwards for ejection, and the first inclined ejector rod 10 and the second inclined ejector rod 11 have different inclination directions, so that the mold is ejected from different directions, a plastic part 17 product is separated from the back-off, and the demolding of the back-off product can be realized.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an injection mold alternately pushes up to one side and takes off mechanism of back-off, including compound board and lower compound board, connect the die cavity in last compound board below, be provided with the core under on the compound board, be provided with the thimble board between compound board and core under, characterized by, still include alternately and push up the subassembly to one side, alternately push up the subassembly to one side including installing the oblique ejector block subassembly on the core, set up the oblique ejector pin of intersection on the thimble board, the upper end at alternately oblique ejector pin is connected to the oblique ejector block subassembly, oblique ejector block subassembly includes the oblique ejector block of first oblique ejector block and the oblique ejector block of second of pegging graft each other fixedly.
2. The cross pitched roof tripping mechanism of an injection mold according to claim 1, wherein the first pitched roof block is provided with an insertion notch, the second pitched roof block is provided with an insertion protrusion, and the insertion protrusion is arranged in the insertion notch.
3. The cross lifter-tripping mechanism of an injection mold as claimed in claim 1, wherein the cross lifter comprises a first lifter connected to the first lifter block and a second lifter connected to the second lifter block, and the inclination direction of the first lifter and the inclination direction of the second lifter are arranged to cross each other.
4. The cross lifter undercut removing mechanism for the injection mold of claim 3 wherein a dual bar guide mechanism is provided at the lower end of the first lifter bar.
5. The cross slanted ejecting and releasing mechanism for the injection mold as claimed in claim 4, wherein the double-bar guiding mechanism comprises a double-bar slide carriage and a guiding bar inserted into the double-bar slide carriage, the double-bar slide carriage is fixed on the upper ejector plate, and the first slanted ejecting bar and the guiding bar are both obliquely arranged on the double-bar slide carriage.
6. The cross slanted ejecting and releasing mechanism for the injection mold as claimed in claim 5, wherein the lower end of the first slanted ejecting rod is fixed on the double-rod slide carriage, the guide rod is obliquely inserted through the double-rod slide carriage, and the guide rod and the first slanted ejecting rod are arranged in parallel.
7. The cross pitched roof stripping mechanism of an injection mold as claimed in claim 5, wherein, the lower end of the guide rod is provided with a guide fixing seat, the upper end of the guide rod is arranged at the bottom of the mold core, and the guide fixing seat is fixed on the lower compound plate.
8. The cross slanted ejecting and releasing mechanism for injection mold as claimed in any one of claims 1 to 7, wherein a slanted ejecting slide is provided at the bottom of the second slanted ejecting rod, and the slanted ejecting block slide is fixed on the lower ejector plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074842.8A CN113752493A (en) | 2021-09-14 | 2021-09-14 | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold |
| PCT/CN2021/132959 WO2023040049A1 (en) | 2021-09-14 | 2021-11-25 | Injection mold intersecting inclined ejection and removal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074842.8A CN113752493A (en) | 2021-09-14 | 2021-09-14 | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113752493A true CN113752493A (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111074842.8A Pending CN113752493A (en) | 2021-09-14 | 2021-09-14 | Cross inclined-ejection reverse-buckling-removing mechanism of injection mold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113752493A (en) |
| WO (1) | WO2023040049A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320034A (en) * | 2022-08-05 | 2022-11-11 | 东风汽车集团股份有限公司 | Straight-ejection inclined-ejection mechanism with inclined ejection and injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211731A (en) * | 2021-04-15 | 2021-08-06 | 浙江凯华模具有限公司 | Double-rod inclined top core-pulling mechanism |
| CN113334704A (en) * | 2021-05-06 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Combined inclined top demoulding mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204354426U (en) * | 2014-12-09 | 2015-05-27 | 深圳市华益盛模具股份有限公司 | The ejecting structure of injection mold |
| CN104526992B (en) * | 2014-12-27 | 2017-01-11 | 宁海县第一注塑模具有限公司 | Joint pitched roof core pulling device reversely buckled in narrow position of injection mold |
| JP7007690B2 (en) * | 2018-12-25 | 2022-01-25 | 株式会社テクノクラーツ | Slide mechanism, movable mold and molding mold |
| CN210705853U (en) * | 2019-09-03 | 2020-06-09 | 滨海模塑集团有限公司 | Protection mechanism for guide rod of injection mold combined with lengthened inclined ejector rod |
| CN210525729U (en) * | 2019-09-16 | 2020-05-15 | 宁波奥克斯电气股份有限公司 | Mould side direction mechanism of loosing core and injection mold |
| CN210552821U (en) * | 2020-03-18 | 2020-05-19 | 常源科技（天津）有限公司 | Bidirectional core-pulling demoulding structure of back-off in deep and narrow groove |
| CN111531816B (en) * | 2020-07-10 | 2020-10-30 | 宁波方正汽车模具股份有限公司 | Instrument panel gasbag straight ejector pad hook mechanism |
-
2021
- 2021-09-14 CN CN202111074842.8A patent/CN113752493A/en active Pending
- 2021-11-25 WO PCT/CN2021/132959 patent/WO2023040049A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211731A (en) * | 2021-04-15 | 2021-08-06 | 浙江凯华模具有限公司 | Double-rod inclined top core-pulling mechanism |
| CN113334704A (en) * | 2021-05-06 | 2021-09-03 | 宁波方正汽车模具股份有限公司 | Combined inclined top demoulding mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320034A (en) * | 2022-08-05 | 2022-11-11 | 东风汽车集团股份有限公司 | Straight-ejection inclined-ejection mechanism with inclined ejection and injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023040049A1 (en) | 2023-03-23 |
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Application publication date: 20211207 |