CN220742012U - Mould with secondary ejection structure - Google Patents
Mould with secondary ejection structure Download PDFInfo
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- CN220742012U CN220742012U CN202322393108.9U CN202322393108U CN220742012U CN 220742012 U CN220742012 U CN 220742012U CN 202322393108 U CN202322393108 U CN 202322393108U CN 220742012 U CN220742012 U CN 220742012U
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- ejection
- ejector
- sliding block
- plate
- ejector pin
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- 238000001746 injection moulding Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die with a secondary ejection structure, which comprises an ejector plate, a plurality of ejector pins, a bottom plate and an ejection assembly, wherein the ejection assembly is arranged between the bottom plate and the ejector plate, and the ejector plate is connected with an injection molding piece through the ejector pins and the ejection assembly; the die of the secondary ejection structure comprises a primary ejection state and a secondary ejection state, wherein the primary ejection state is as follows: the ejection assembly is connected with the ejector plate and the mold core, the ejector plate is fixedly connected with the ejector pin, the ejector pin is in ejecting connection with the injection molding piece, the ejector plate drives the ejection assembly and the ejector pin to eject, and the ejection assembly ejects the mold core; and (3) a secondary ejection state: the ejector pin plate is separated from the core, the ejector pin plate is fixedly connected with the ejector pin, the ejector pin is in ejecting connection with the injection molding piece, the ejector pin plate drives the ejector pin to continue ejecting, and the ejector pin ejects the injection molding piece. The mold with the secondary ejection structure has the advantage of meeting the complete separation of the complex injection molding piece and the mold core.
Description
Technical Field
The utility model relates to the technical field of secondary ejection, in particular to a die with a secondary ejection structure.
Background
In modern production, reasonable processing technology and efficient equipment are three essential factors, and advanced dies are especially important factors for realizing material processing technology requirements, use requirements among plastics and modeling design, and efficient full-automatic equipment can only play a role only when the dies for automatic production are arranged, so that production and updating of products are all premised on manufacturing and updating of the dies, and the dies are required to be increasingly high due to high product variety and yield requirements, so that continuous forward development of the dies is promoted.
At present, after injection molding of a bumper in an injection mold is completed, a product is ejected out of a core of the mold by an ejection mechanism of the mold so as to realize demolding. The existing mould adopts a single or multi-element ejection mechanism, the ejection action is completed once, but the local position of the bumper needs some special structural characteristics due to different function definitions, such as a convex rib or a deep groove, so that the special structure including the convex rib can not be completely separated from the mould core, and the rest special structural characteristics need to be ejected by a secondary ejection structure, so that the demoulding of the bumper is completed.
In order to enable ejection to be smooth, products are not clamped in the ejection process, the conventional bumper bar die adopts a secondary ejection structure, but the secondary ejection structure of the bumper bar die can realize die stripping by designing an external button machine, so that the method occupies a very large space, and the button machine is abnormal.
Therefore, the mold with the secondary ejection structure is provided for overcoming the defects of the prior art.
Disclosure of Invention
The utility model provides a die with a secondary ejection structure, and aims to solve the problem that primary ejection cannot meet the requirement that a complex injection molding piece is completely separated from a core.
The utility model adopts the following technical scheme:
the mold with the secondary ejection structure comprises an ejector plate, a plurality of ejector pins, a bottom plate and an ejection assembly, wherein the ejection assembly is arranged between the bottom plate and the ejector plate, and the ejector plate is connected with an injection molding piece through the ejector pins and the ejection assembly;
the die of the secondary ejection structure comprises a primary ejection state and a secondary ejection state,
and (3) a primary ejection state: the ejection assembly is connected with the ejector plate and the mold core, the ejector plate is fixedly connected with the ejector pin, the ejector pin is in ejection connection with the injection molding piece, the ejector plate drives the ejection assembly and the ejector pin to eject, and the ejection assembly ejects the mold core;
and (3) a secondary ejection state: the ejector pin plate is separated from the mold core, the ejector pin plate is fixedly connected with the ejector pin, the ejector pin is in propping connection with the injection molding piece, the ejector pin plate drives the ejector pin to continue ejection, and the ejector pin ejects the injection molding piece.
Further as an improvement of the technical scheme of the utility model, the ejection assembly comprises a sliding block and an inclined guide post, wherein the sliding block is connected with the thimble plate, the sliding block is nested with the inclined guide post, the sliding block is in sliding connection with the inclined guide post, and the inclined guide post drives the sliding block to move left and right.
Further as an improvement of the technical scheme of the utility model, the ejection assembly further comprises a straight ejection sleeve, the sliding block is in ejection connection with the straight ejection sleeve, and the ejector plate drives the straight ejection sleeve to move through the sliding block;
or the sliding block is separated from the straight top sleeve, and the straight top sleeve stops moving.
Further as an improvement of the technical scheme of the utility model, the ejection assembly further comprises a push rod, one end of the push rod is fixedly connected with the straight ejection sleeve, and the other end of the push rod is in ejection connection with the mold core.
Further as an improvement of the technical scheme of the utility model, the sliding block is provided with an inclined guide groove which is in sliding connection with the inclined guide post, and the sliding block moves along the length direction of the inclined guide post through the inclined guide groove, so that the sliding block is driven to move left and right.
Further as an improvement of the technical scheme of the utility model, the ejection assembly further comprises a pressing strip, the pressing strip is fixedly connected with the thimble plate, and one end surface of the pressing strip is in butt fit with the sliding block.
Further as an improvement of the technical scheme of the utility model, the sliding block further comprises a guide sliding groove, and the pressing bar is provided with a guide sliding rod which is in sliding connection with the guide sliding groove.
Further as an improvement of the technical scheme of the utility model, the sliding block is provided with an abutting table, and the abutting table is in abutting connection with the bottom surface of the straight top sleeve.
Further as an improvement of the technical scheme of the utility model, the ejection assembly further comprises a shovel base, the inclined guide pillar is fixedly connected with the shovel base, the shovel base is fixedly connected with the bottom plate, and the sliding block is matched with the shovel base.
Further as an improvement of the technical scheme of the utility model, the ejection assembly further comprises an elastic piece, the sliding block is provided with a containing cavity for placing the elastic piece, one end of the elastic piece is in propping fit with the sliding block, and the other end of the elastic piece is in propping fit with the thimble plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the mold with the secondary ejection structure, the ejector assembly is arranged on the ejector plate, the ejector pin is connected with the ejector plate and the injection molding piece respectively at two ends of the ejector assembly, the mold with the secondary ejection structure comprises a primary ejection state and a secondary ejection state, and when the mold is in the primary ejection state: the ejection assembly is connected with the ejector plate and the mold core, the ejector plate is fixedly connected with the ejector pin, the ejector pin is in ejecting connection with the injection molding piece, the ejector plate drives the ejection assembly and the ejector pin to eject, and the ejection assembly ejects the mold core to eject most of structures of the injection molding piece; when in the secondary ejection state: the ejector pin plate is separated from the core, the ejector pin plate is fixedly connected with the ejector pin, the ejector pin plate is in ejecting connection with the injection molding piece, the ejector pin plate drives the ejector pin to continue ejecting, the ejector pin ejects the injection molding piece, and the residual special structural characteristics of the injection molding piece are ejected. The mold with the secondary ejection structure has the characteristic of meeting the complete separation of the complex injection molding piece and the mold core.
Drawings
The technology of the present utility model will be described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic perspective view of a mold with a secondary ejection structure;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a schematic perspective view of an ejector assembly in a mold with a secondary ejection structure;
FIG. 4 is a front view of an ejector assembly in a mold having a secondary ejection structure;
fig. 5 is a schematic view of a slide and a diagonal guide post in a mold with a secondary ejection structure.
Reference numerals:
1. a needle ejection plate;
2. a bottom plate;
3. an ejection assembly; 31. a slide block; 311. an inclined guide groove; 312. an abutment; 32. oblique guide posts; 33. a straight top sleeve; 34. a push rod; 35. pressing strips; 36. a shovel base; 37. a spring;
4. a core.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
A die with a secondary ejection structure, referring to fig. 1 to 5, comprises an ejector plate 1, a plurality of ejector pins, a bottom plate 2 and an ejection assembly 3;
the ejection assembly 3 is arranged between the bottom plate 2 and the ejector plate 1, and the ejector plate 1 is connected with an injection molding piece through the ejector pin and the ejection assembly 3; the mold of the secondary ejection structure comprises a primary ejection state and a secondary ejection state, when the mold is in the primary ejection state, the ejector assembly 3 is connected with the ejector plate 1 and the mold core 4, the ejector plate 1 is fixedly connected with the ejector pin, the ejector pin is in ejection connection with an injection molding piece, the ejector plate 1 drives the ejector assembly 3 and the ejector pin to eject, and the ejector assembly 3 ejects the mold core 4.
When the ejector plate is in a secondary ejection state, the ejector plate 1 is separated from the core 4, the ejector plate 1 is fixedly connected with the ejector pin, the ejector pin is in ejection connection with the injection molding piece, the ejector plate 1 drives the ejector pin to continue ejection, and the ejector pin ejects the injection molding piece.
Wherein, referring to fig. 1, through setting up ejecting subassembly 3 on ejector plate 1, ejector pin and ejecting subassembly 3 both ends are connected ejector plate 1 and injection molding respectively, and the mould of this secondary ejection structure includes ejection state and secondary ejection state, when being in ejection state once: the ejection assembly 3 is connected with the ejector plate 1 and the core 4, the ejector plate 1 is fixedly connected with the ejector pin, the ejector pin is in ejecting connection with the injection molding piece, the ejector plate 1 drives the ejection assembly 3 and the ejector pin to eject, and the ejection assembly 3 ejects the core 4 to eject most of structures of the injection molding piece; when in the secondary ejection state: the ejector plate 1 is separated from the core 4, the ejector plate 1 is fixedly connected with the ejector pin, the ejector pin is in ejecting connection with the injection molding piece, the ejector plate 1 drives the ejector pin to continuously eject, the ejector pin ejects the injection molding piece, and the rest special structural characteristics of the injection molding piece are ejected. The mold with the secondary ejection structure has the characteristic of meeting the complete separation of the complex injection molding piece and the mold core 4.
In one embodiment, the ejection assembly 3 includes a slider 31 and an inclined guide post 32, the slider 31 is connected with the ejector plate 1, the slider 31 is nested with the inclined guide post 32, the slider 31 is slidably connected with the inclined guide post 32, and the inclined guide post 32 drives the slider 31 to move left and right. The ejection assembly 3 further comprises a straight ejection sleeve 33, the sliding block 31 is in ejection connection with the straight ejection sleeve 33, and the ejector plate 1 drives the straight ejection sleeve 33 to move through the sliding block 31; or the slider 31 is separated from the straight top cover 33, and the straight top cover 33 stops moving. The ejection assembly 3 further comprises a push rod 34, one end of the push rod 34 is fixedly connected with the straight ejection sleeve 33, and the other end of the push rod is in ejection connection with the core 4.
In one embodiment, the slider 31 is provided with a slant guiding slot 311 slidingly connected with the slant guiding post 32, and the slider 31 moves along the length direction of the slant guiding post 32 through the slant guiding slot 311, so as to drive the slider 31 to move left and right. When the ejector plate 1 moves upward, the slider 31 moves leftward, and when the ejector plate 1 moves downward, the slider 31 moves rightward.
In one embodiment, the ejection assembly 3 further comprises a pressing bar 35, the pressing bar 35 is fixedly connected with the ejector plate 1, and one end face of the pressing bar 35 is in abutting fit with the sliding block 31. The slide block 31 further comprises a guide chute, and the pressing bar 35 is provided with a guide slide bar in sliding connection with the guide chute. When the ejector plate 1 drives the sliding block 31 to move upwards, the sliding block 31 moves leftwards along the length direction of the guide slide rod under the action of the inclined guide post 32.
In one embodiment, the slide 31 is provided with an abutment table 312, the abutment table 312 has a certain width, when the mold is in a one-time ejection state, the abutment table 312 is in abutting connection with the bottom surface of the straight jacket 33, the abutment table 312 drives the straight jacket 33 to move up 15mm, the slide 31 moves leftwards by 4mm, at this time, the bottom surface of the straight jacket 33 is completely separated from the abutment table 312, and the straight jacket 33 stops moving. Meanwhile, the ejector plate 1 drives the ejector pins to move upwards continuously, and the residual special structural features of the injection molding piece are ejected out.
In one embodiment, the ejection assembly 3 further includes a shovel base 36, the oblique guide post 32 is fixedly connected with the shovel base 36, the shovel base 36 is fixedly connected with the bottom plate 2, and the slider 31 is adapted to the shovel base 36.
In one embodiment, the ejector assembly 3 further comprises an elastic member, the slider 31 is provided with a containing cavity for placing the elastic member, one end of the elastic member is in abutting fit with the slider 31, and the other end of the elastic member is in abutting fit with the ejector plate 1. The elastic component is spring 37, when thimble board 1 drives slider 31 upward movement, and when the butt platform 312 of slider 31 drives straight top cover 33 upward movement, slider 31 whole also can left movement, because at the in-process of removal, there is great effort, in order to avoid effort to lead spout and lead slide bar and oblique jack post and oblique guide slot 311 to cause wearing and tearing, set up spring 37 through setting up between slider 31 and the straight top cover 33, provide a effort that moves left for slider 31.
Other contents of the mold with the secondary ejection structure of the present utility model are referred to in the prior art, and are not described herein.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The above is only a preferred embodiment of the present utility model, and is not limited in any way, so any modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (10)
1. The die with the secondary ejection structure is characterized by comprising an ejector plate, a plurality of ejector pins, a bottom plate and an ejection assembly, wherein the ejection assembly is arranged between the bottom plate and the ejector plate, and the ejector plate is connected with an injection molding piece through the ejector pins and the ejection assembly;
the die of the secondary ejection structure comprises a primary ejection state and a secondary ejection state,
and (3) a primary ejection state: the ejection assembly is connected with the ejector plate and the mold core, the ejector plate is fixedly connected with the ejector pin, the ejector pin is in ejection connection with the injection molding piece, the ejector plate drives the ejection assembly and the ejector pin to eject, and the ejection assembly ejects the mold core;
and (3) a secondary ejection state: the ejector pin plate is separated from the mold core, the ejector pin plate is fixedly connected with the ejector pin, the ejector pin is in propping connection with the injection molding piece, the ejector pin plate drives the ejector pin to continue ejection, and the ejector pin ejects the injection molding piece.
2. The mold with a secondary ejection structure according to claim 1, wherein: the ejection assembly comprises a sliding block and an inclined guide post, the sliding block is connected with the ejector plate, the sliding block is nested with the inclined guide post, the sliding block is in sliding connection with the inclined guide post, and the inclined guide post drives the sliding block to move left and right.
3. The mold with a secondary ejection structure according to claim 2, wherein: the ejection assembly further comprises a straight ejection sleeve, the sliding block is in ejection connection with the straight ejection sleeve, and the ejector plate drives the straight ejection sleeve to move through the sliding block;
or the sliding block is separated from the straight top sleeve, and the straight top sleeve stops moving.
4. A mold with a secondary ejection structure according to claim 3, wherein: the ejection assembly further comprises a push rod, one end of the push rod is fixedly connected with the straight ejection sleeve, and the other end of the push rod is in ejection connection with the core.
5. The mold with a secondary ejection structure according to claim 2, wherein: the sliding block is provided with an inclined guide groove which is in sliding connection with the inclined guide post, and the sliding block moves along the length direction of the inclined guide post through the inclined guide groove, so that the sliding block is driven to move left and right.
6. The mold with a secondary ejection structure according to claim 2, wherein: the ejection assembly further comprises a pressing strip, the pressing strip is fixedly connected with the thimble plate, and one end face of the pressing strip is in butt fit with the sliding block.
7. The mold with a secondary ejection structure according to claim 6, wherein: the sliding block further comprises a guide sliding groove, and the pressing bar is provided with a guide sliding rod which is in sliding connection with the guide sliding groove.
8. A mold with a secondary ejection structure according to claim 3, wherein: the sliding block is provided with an abutting table, and the abutting table is in abutting connection with the bottom surface of the straight jacking sleeve.
9. The mold with a secondary ejection structure according to claim 2, wherein: the ejection assembly further comprises a shovel base, the inclined guide pillar is fixedly connected with the shovel base, the shovel base is fixedly connected with the bottom plate, and the sliding block is matched with the shovel base.
10. The mold with a secondary ejection structure according to claim 2, wherein: the ejection assembly further comprises
The sliding block is provided with a containing cavity for placing the elastic piece, one end of the elastic piece is propped against and matched with the sliding block,
the other end is propped against the thimble plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393108.9U CN220742012U (en) | 2023-09-04 | 2023-09-04 | Mould with secondary ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322393108.9U CN220742012U (en) | 2023-09-04 | 2023-09-04 | Mould with secondary ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742012U true CN220742012U (en) | 2024-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322393108.9U Active CN220742012U (en) | 2023-09-04 | 2023-09-04 | Mould with secondary ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220742012U (en) |
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2023
- 2023-09-04 CN CN202322393108.9U patent/CN220742012U/en active Active
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