CN215849452U - Back-off demoulding structure - Google Patents
Back-off demoulding structure Download PDFInfo
- Publication number
- CN215849452U CN215849452U CN202121606624.XU CN202121606624U CN215849452U CN 215849452 U CN215849452 U CN 215849452U CN 202121606624 U CN202121606624 U CN 202121606624U CN 215849452 U CN215849452 U CN 215849452U
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- Prior art keywords
- plate
- ejector
- bottom plate
- mould
- thick bamboo
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- Expired - Fee Related
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- 238000001746 injection moulding Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding production, in particular to a back-off demolding structure, which comprises an upper module and a lower module, wherein the upper module comprises a front mold core, the lower module comprises a rear mold core, an ejector plate panel, an ejector plate bottom plate and a mold blank bottom plate, the front mold core is arranged above the rear mold core, the rear mold core is arranged above the ejector plate panel, the ejector plate panel is arranged at the upper end of the ejector plate bottom plate, the ejector plate bottom plate is arranged above the mold blank bottom plate, an injection molding cavity is arranged between the upper module and the lower module, a flow passage is arranged between the upper module and the lower module and penetrates through the injection molding cavity, the lower end of the flow passage is connected with an ejector pin, the ejector pin extends from the lower end of the flow passage to the ejector plate panel, a master cylinder pressing plate is arranged in the mold blank bottom plate, a master cylinder inner needle is arranged at the upper end of the master cylinder pressing plate and penetrates through the mold blank bottom plate, the ejector plate bottom plate and the rear mold core, and two ends of the master cylinder inner needle of the ejector plate panel are provided with master cylinder outer needles, the advantages are that: realize the back-off drawing of patterns, solved the difficulty that can't the demolding and saved the cost.
Description
Technical Field
The utility model relates to the technical field of injection molding production, in particular to a back-off demolding structure.
Background
The mode conventionality of present injection molding chamber back-off drawing of patterns divide into oblique top drawing of patterns and slide drawing of patterns two kinds, because the particularity space in injection molding chamber is narrow and small, is more difficult when taking out less product, and can't accurately take out, leads to the damage of product serious, causes a large amount of consumptions.
SUMMERY OF THE UTILITY MODEL
The utility model provides an inverted buckle demoulding structure aiming at the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a back-off demoulding structure comprises an upper module and a lower module, wherein the upper module comprises a front mould core, the lower module comprises a rear mould core, an ejector plate panel and an ejector plate bottom plate, the mould base plate, the front mould benevolence sets up in back mould benevolence top, the back mould benevolence sets up in thimble board panel top, the thimble board panel sets up in thimble board bottom plate upper end, the thimble board bottom plate sets up in mould base plate top, it moulds the chamber to be provided with between upper module and the lower module, be provided with the runner between lower module top and the upper module, the runner link up moulds the chamber, the thimble lower part is installed inside the thimble board panel, thimble upper portion extends to the runner bottom, be provided with department section of thick bamboo clamp plate in the mould base plate, department section of thick bamboo clamp plate upper end is provided with department section of thick bamboo inner needle, department section of thick bamboo inner needle link up the mould base plate, the thimble board bottom plate, thimble board bottom plate and back mould benevolence, department section of thick bamboo inner needle both ends of thimble board panel are provided with department section of thick bamboo outer needle, it is provided with department section of thick bamboo outer needle to mould the chamber below of moulding plastics.
Preferably, the method comprises the following steps: the upper end of the ejector sleeve pressing plate is provided with a limiting hole.
Preferably, the method comprises the following steps: and a front mould insert needle is arranged above the inner needle of the ejector sleeve and extends to the injection molding cavity.
Preferably, the method comprises the following steps: the front mold insert is arranged in the front mold core.
Preferably, the method comprises the following steps: and a second countersunk screw is arranged between the ejector sleeve pressing plate and the die blank base plate.
Preferably, the method comprises the following steps: a first countersunk screw is arranged above the flow channel.
Preferably, the method comprises the following steps: the front mold insert and the front mold core are internally provided with a first countersunk screw.
Preferably, the method comprises the following steps: the injection molding cavity is internally provided with a buckling position.
The utility model has the beneficial effects that: a back-off demoulding structure comprises an upper module and a lower module, wherein the upper module comprises a front die core, the lower module comprises a rear die core, an ejector plate panel, an ejector plate bottom plate and a mould blank bottom plate, the front die core is arranged above the rear die core, the rear die core is arranged above the ejector plate panel, the ejector plate panel is arranged at the upper end of the ejector plate bottom plate, the ejector plate bottom plate is arranged above the mould blank bottom plate, an injection molding cavity is arranged between the upper module and the lower module, a flow passage is arranged between the upper module and the lower module and penetrates through the injection molding cavity, the lower end of the flow passage is connected with an ejector pin, the ejector pin extends from the lower end of the flow passage to the ejector plate panel, an ejector sleeve pressing plate is arranged in the mould blank bottom plate, an ejector sleeve inner needle is arranged at the upper end of the ejector sleeve pressing plate, the ejector sleeve inner needle penetrates through the mould blank bottom plate, the ejector plate panel and the rear die core, sleeve outer needles are arranged at the two ends of the ejector sleeve inner needle of the ejector plate panel, and an ejector sleeve outer needle is arranged below the injection molding cavity, the advantages are that: realize the back-off drawing of patterns, solved the difficulty that can't the demolding and saved the cost.
Drawings
Fig. 1 is a schematic structural view of an inverted demolding structure.
Fig. 2 is a diagram of the injection molding cavity to be produced.
Fig. 3 is a diagram of the entire mold assembly arrangement.
1-front mold core 2-front mold insert 3-front mold insert 4-first countersunk screw 5-injection molding cavity 6-runner 7-rear mold core 8-thimble 9-thimble plate panel 10-ejector sleeve outer needle 11-ejector sleeve inner needle 12-thimble plate bottom plate 13-second countersunk screw 14-mold base plate 15-ejector sleeve pressing plate 16-buckling position 17-limiting hole
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
After the injection molding machine finishes injecting glue and an injection molding cavity is formed, the front mold comprises a front mold core 1, a front mold insert 2, a front mold insert pin 3 and a first countersunk screw 4, and the front mold and the rear mold comprise an injection molding cavity 5, a flow channel 6, a rear mold core 7, a thimble 8, a thimble plate panel 9, an ejector sleeve outer pin 10, an ejector sleeve inner pin 11, a thimble base plate 12, a second countersunk screw 13, a mold blank base plate 14 and an ejector sleeve pressing plate 15 to finish separation actions.
The ejector rod pushes the ejector plate including a 9 ejector plate panel and a 12 ejector plate bottom plate to move upwards, the ejector pins 8 synchronously move upwards to eject the runner 6, and the runner 6 falls off from the rear mold core 7 and is separated from the injection molding cavity 5.
Meanwhile, the ejector outer needle 10 pushes the injection molding cavity 5 and the ejector inner needle 11 to move 8MM, so that the buckling position 16 of the injection molding cavity is partially separated from the package of the rear mold core 7.
Because the die does not have a bottom plate 14 to the department section of thick bamboo inner needle 11 spacing, ejecting 8MM back department section of thick bamboo inner needle 11 stop moving, ejector plate panel 9, ejector plate bottom plate 12 continue to promote department section of thick bamboo outer needle 10 upward movement ejecting injection molding chamber 5, until injection molding chamber 5 breaks away from back mould benevolence 7 and department section of thick bamboo inner needle 11, accomplish production.
The utility model provides an inverted buckle demoulding structure which characterized in that: the injection molding device comprises an upper module and a lower module, wherein the upper module comprises a front mould core 1, the lower module comprises a rear mould core 7, an ejector plate panel 9, an ejector plate bottom plate 12 and a mould blank bottom plate 14, the front mould core 1 is arranged above the rear mould core 7, the rear mould core 7 is arranged above the ejector plate panel 9, the ejector plate panel 9 is arranged at the upper end of the ejector plate bottom plate 12, the ejector plate bottom plate 12 is arranged above the mould blank bottom plate 14, an injection molding cavity 5 is arranged between the upper module and the lower module, a flow channel 6 is arranged between the top end of the lower module and the upper module, the flow channel 6 penetrates through the injection molding cavity 5, the lower part of an ejector 8 is arranged in the ejector plate panel 9, the upper part of the ejector 8 extends to the bottom of the flow channel 6, an ejector sleeve pressing plate 15 is arranged in the mould blank bottom plate 14, an ejector sleeve inner needle 11 is arranged at the upper end of the ejector sleeve pressing plate 15, the ejector sleeve inner needle 11 penetrates through the mould blank bottom plate 14, the ejector plate bottom plate 12, the ejector plate panel 9 and the rear mould core 7, ejector plate panel 9 is provided with ejector sleeve outer needles 10 at two ends of the ejector plate 11, an outer ejector sleeve needle 11 is arranged below the injection molding cavity 5, the ejector plate panel 9 and the ejector plate bottom plate 12 drive the ejector 8 and the outer ejector sleeve needle 10 when moving, the ejector 8 ejects the flow channel 6, and the outer ejector sleeve needle 10 ejects a product in the injection molding cavity 5.
In this embodiment: the upper end of the ejector sleeve pressing plate 15 is provided with a limiting hole 17, and when the ejector sleeve outer needle 10 moves upwards, the ejector sleeve outer needle moves to a limiting position and cannot move.
In this embodiment: a front mould insert pin 3 is arranged above the inner needle 11 of the ejector sleeve, the front mould insert pin 3 extends to the injection molding cavity 5, and the position of the injection molding cavity 5 is fixed.
In this embodiment: the front mold insert 2 is arranged in the front mold core 1, and the front mold insert 2 and the front mold insert pin 3 are fixed.
In this embodiment: a second countersunk screw 13 is arranged between the ejector sleeve pressing plate 15 and the die blank bottom plate 14, and the ejector sleeve pressing plate 15 and the die blank bottom plate 14 are fixed.
In this embodiment: a first countersunk screw 4 is arranged above the flow channel 6 to limit the flow channel 6.
In this embodiment: the front mold insert 2 and the front mold core 1 are internally provided with a first countersunk head screw 4 for fixing the front mold insert 2 and the front mold core 1.
In this embodiment: the injection molding cavity 5 is internally provided with a buckling position 16 for fixing the injection molding cavity 5.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides an inverted buckle demoulding structure which characterized in that: comprises an upper module and a lower module, wherein the upper module comprises a front mould core, the lower module comprises a rear mould core, an ejector plate panel and an ejector plate bottom plate, the mould base plate, the front mould benevolence sets up in back mould benevolence top, the back mould benevolence sets up in thimble board panel top, the thimble board panel sets up in thimble board bottom plate upper end, the thimble board bottom plate sets up in mould base plate top, it moulds the chamber to be provided with between upper module and the lower module, be provided with the runner between lower module top and the upper module, the runner link up moulds the chamber, the thimble lower part is installed inside the thimble board panel, thimble upper portion extends to the runner bottom, be provided with department section of thick bamboo clamp plate in the mould base plate, department section of thick bamboo clamp plate upper end is provided with department section of thick bamboo inner needle, department section of thick bamboo inner needle link up mould base plate, the thimble board bottom plate, thimble board panel and back mould benevolence, department section of thick bamboo inner needle both ends of thimble board panel are provided with department section of thick bamboo outer needle, department section of thick bamboo outer needle top extends to the chamber of moulding plastics.
2. The inverted demold structure according to claim 1, wherein: the upper end of the ejector sleeve pressing plate is provided with a limiting hole.
3. The inverted demold structure according to claim 1, wherein: and a front mould insert needle is arranged above the inner needle of the ejector sleeve and extends to the injection molding cavity.
4. The undercut demolding structure as claimed in claim 3, wherein: the front mold insert is arranged in the front mold core.
5. The inverted demold structure according to claim 1, wherein: and a second countersunk screw is arranged between the ejector sleeve pressing plate and the die blank base plate.
6. The inverted demold structure according to claim 1, wherein: a first countersunk screw is arranged above the flow channel.
7. The inverted demold structure according to claim 1, wherein: the front mold insert and the front mold core are internally provided with a first countersunk screw.
8. The inverted demold structure according to claim 1, wherein: the injection molding cavity is internally provided with a buckling position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606624.XU CN215849452U (en) | 2021-07-14 | 2021-07-14 | Back-off demoulding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606624.XU CN215849452U (en) | 2021-07-14 | 2021-07-14 | Back-off demoulding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849452U true CN215849452U (en) | 2022-02-18 |
Family
ID=80333858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121606624.XU Expired - Fee Related CN215849452U (en) | 2021-07-14 | 2021-07-14 | Back-off demoulding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849452U (en) |
-
2021
- 2021-07-14 CN CN202121606624.XU patent/CN215849452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |