CN222135774U - Precision injection molding die for plastic folding storage box - Google Patents
Precision injection molding die for plastic folding storage box Download PDFInfo
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- CN222135774U CN222135774U CN202420589999.7U CN202420589999U CN222135774U CN 222135774 U CN222135774 U CN 222135774U CN 202420589999 U CN202420589999 U CN 202420589999U CN 222135774 U CN222135774 U CN 222135774U
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- storage box
- mold
- injection molding
- folding storage
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 73
- 239000004033 plastic Substances 0.000 title claims abstract description 53
- 238000000465 moulding Methods 0.000 claims abstract description 144
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000012768 molten material Substances 0.000 abstract description 6
- 239000002991 molded plastic Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 26
- 150000001875 compounds Chemical class 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本实用新型属于模具技术领域，尤其涉及一种塑料折叠收纳盒精密注塑成型模具。本实用新型，包括折叠收纳盒成型下模和折叠收纳盒成型上模，所述折叠收纳盒成型上模上方设有注塑件。本实用新型在注塑过程中，成型上部与成型下部相贴合形成完整的型腔，熔融物料通过注塑件注入至型腔内，通过半开式侧槽成型脱模件用以同步成型塑件的两侧半开式腔槽，卡槽面成型顶出脱模组件用以同步成型塑件的卡槽面，完成注塑后，通过半开式侧槽成型脱模件向外侧移，再通过卡槽面成型顶出脱模组件将成型后的塑件进行顶出，无需对塑件的腔槽以及卡槽面进行二次精加工，缩短了工序，同时顶出结构紧凑合理，提高了空间利用率，减小了模具的整体体积。
The utility model belongs to the field of mold technology, and particularly relates to a precision injection molding mold for a plastic folding storage box. The utility model comprises a folding storage box molding lower mold and a folding storage box molding upper mold, and an injection molded part is arranged above the folding storage box molding upper mold. During the injection molding process of the utility model, the molding upper part and the molding lower part are fitted together to form a complete cavity, and the molten material is injected into the cavity through the injection molded part, and the semi-open side groove molding demolding parts are used to synchronously mold the semi-open cavities on both sides of the plastic part, and the slot surface molding ejection demolding components are used to synchronously mold the slot surface of the plastic part. After the injection molding is completed, the semi-open side groove molding demolding parts are moved outward, and then the molded plastic part is ejected by the slot surface molding ejection demolding components, and there is no need to perform secondary finishing on the cavity and slot surface of the plastic part, which shortens the process. At the same time, the ejection structure is compact and reasonable, which improves the space utilization rate and reduces the overall volume of the mold.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a precise injection molding mold for a plastic folding storage box.
Background
The plastic folding storage box is mainly used for storing objects in daily life and storing the objects in a classified mode, and is a good object for household life. It is generally injection molded using an injection mold. The existing storage box injection mold is difficult to synchronously mold the two-side semi-open cavity groove and the clamping groove surface of a plastic part in the injection molding process, secondary finish machining is needed on the plastic part, the procedures are more, the molding structure and the ejection structure are separated, the space utilization rate is poor, and the overall size of the mold is large. Therefore, there is an urgent need to design a plastic folding storage box precise injection molding die capable of overcoming the defects.
In order to overcome the defects of the prior art, various solutions are provided through continuous exploration, for example, china patent discloses a storage box die [ application number: 201520917032.8] which comprises a movable die and a fixed die, a core pulling block and a core block are arranged on the movable die, a handle die cavity for injection molding a handle is formed between the core pulling block and the core block, an opening groove for replacing the handle die cavity is formed in the core pulling block, the upper end of the opening groove is opened, a plurality of sliding grooves are formed in the opening groove, a handle die cavity block for injection molding the handle is slidably arranged in the opening groove, a plurality of springs are arranged between the opening groove and the handle die cavity block, and grooves for abutting against the springs are formed in the handle die cavity block.
Disclosure of utility model
The utility model aims to solve the problems and provides a precise injection molding die for a plastic folding storage box.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a accurate injection moulding mould of plastic folding receiver, includes folding receiver shaping lower mould and folding receiver shaping upper mould, folding receiver shaping upper mould top is equipped with the injection molding, folding receiver shaping upper mould bottom is equipped with the compound die arch, the protruding bottom of compound die has shaping upper portion, be equipped with the compound die cavity in the folding receiver shaping lower mould, have shaping lower part in the compound die cavity, shaping upper portion and the corresponding and shape adaptation of shaping lower part's position, still be equipped with half open side groove shaping and take off the module and draw-in groove face shaping ejection drawing of patterns subassembly in the folding receiver shaping lower mould, half open side groove shaping takes off the module and draw-in groove face shaping ejection drawing of patterns subassembly respectively with the position of shaping lower part corresponding.
In the plastic folding storage box precise injection molding die, the clamping groove surface molding ejection demolding assembly comprises a first inclined ejection demolding rod arranged in a folding storage box molding lower die, the outer side of the first inclined ejection demolding rod is provided with a clamping groove surface molding bulge, and the clamping groove surface molding bulge corresponds to the position of the molding lower portion.
In the plastic folding storage box precise injection molding die, an inner concave surface is formed between the clamping groove surface molding bulge and the first inclined ejection demolding rod.
In the precision injection molding die for the plastic folding storage box, the semi-open side groove molding demolding piece comprises two side demolding sliding seats arranged in the folding storage box molding lower die, two limiting connecting blocks are arranged on the side demolding sliding seats, and one end, away from the side demolding sliding seats, of each limiting connecting block is provided with a side groove molding piece.
In the precision injection molding die for the plastic folding storage box, the side groove molding piece comprises a first molding transverse plate and a second molding transverse plate which are arranged at one end, far away from the side demolding sliding seat, of the limiting connecting block, and the first molding transverse plate and the second molding transverse plate are mutually parallel.
In the precision injection molding mold for the plastic folding storage box, a convex strip molding groove is formed between the first molding transverse plate and the second molding transverse plate.
In the precision injection molding mold for the plastic folding storage box, the width of the first molding transverse plate is smaller than that of the second molding transverse plate.
In the plastic folding storage box precise injection molding mold, a plurality of second inclined ejection demolding rods are further arranged in the folding storage box molding lower mold, and large-area ejector plates are arranged at the tops of the second inclined ejection demolding rods.
In the plastic folding storage box precise injection molding die, a plurality of straight ejector rods are further arranged in the folding storage box molding lower die.
In the precision injection molding die for the plastic folding storage box, the injection molding piece comprises an injection molding main board arranged above an upper molding die of the folding storage box, and an injection molding main hole is formed in the injection molding main board.
Compared with the prior art, the utility model has the advantages that:
1. in the injection molding process, the lower molding die of the folding storage box and the upper molding die of the folding storage box are mutually close to each other, so that the die closing protrusion and the die closing concave cavity are tightly attached, the upper molding part and the lower molding part are attached to each other to form a complete cavity, molten materials are injected into the cavity through the injection molding piece, the half-open side groove molding demolding piece is used for synchronously molding the half-open cavity grooves on two sides of the plastic piece, the clamping groove surface molding ejection demolding assembly is used for synchronously molding the clamping groove surface of the plastic piece, after injection molding is finished, the demolding piece is outwards moved by the half-open side groove molding demolding piece, and the molded plastic piece is ejected by the clamping groove surface molding ejection demolding assembly without secondary finish machining on the cavity grooves and the clamping groove surface of the plastic piece, so that the process is shortened, the ejection structure is compact and reasonable, the space utilization rate is improved, and the whole volume of the mold is reduced.
2. In the injection molding process, the first molding transverse plate is matched with the second molding transverse plate to assist in molding the two-side semi-open cavity grooves of the plastic part, and the convex strip molding grooves are used for synchronously molding convex strip structures at the side parts of the plastic part.
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 structural view of the present utility model.
Fig. 2 is a partial structural schematic of the present utility model.
Fig. 3 is a schematic view of a partial structure of another aspect of the present utility model.
FIG. 4 is a schematic view of the structure of a semi-open side channel molding stripper.
Fig. 5 is a schematic structural view of an upper mold for molding the folding storage box.
In the drawing, a lower folding storage box molding die 1, an upper folding storage box molding die 2, an injection molding piece 3, a die clamping protrusion 4, an upper molding part 5, a die clamping cavity 6, a lower molding part 7, a semi-open side groove molding stripping die 8, a clamping groove surface molding ejection stripping assembly 9, a first inclined ejection stripping rod 10, a clamping groove surface molding protrusion 11, an inner concave surface 12, a side ejection slide seat 13, a limit connecting block 14, a side groove molding piece 15, a first molding transverse plate 16, a second molding transverse plate 17, a convex strip molding groove 18, a second inclined ejection stripping rod 19, a large-area ejection plate 20, a straight ejection rod 21, an injection molding main plate 22 and an injection molding main hole 23.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-5, a plastic folding storage box precise injection molding mold comprises a folding storage box molding lower mold 1 and a folding storage box molding upper mold 2, an injection molding part 3 is arranged above the folding storage box molding upper mold 2, a mold closing protrusion 4 is arranged at the bottom of the folding storage box molding upper mold 2, a molding upper portion 5 is arranged at the bottom of the mold closing protrusion 4, a mold closing cavity 6 is arranged in the folding storage box molding lower mold 1, a molding lower portion 7 is arranged in the mold closing cavity 6, the position of the molding upper portion 5 corresponds to the position of the molding lower portion 7 and is matched with the shape, a semi-open side groove molding demolding piece 8 and a clamping groove surface molding ejection demolding assembly 9 are further arranged in the folding storage box molding lower mold 1, and the semi-open side groove molding demolding piece 8 and the clamping groove surface ejection demolding assembly 9 correspond to the position of the molding lower portion 7 respectively.
In this embodiment, in the injection molding process, the folding receiver shaping lower mould 1 and folding receiver shaping upper mould 2 are close to each other for the compound die boss 4 is closely attached with compound die cavity 6 mutually, shaping upper portion 5 is attached with shaping lower part 7 mutually and is formed complete die cavity, the molten material is poured into in the die cavity through injection molding 3, be used for the both sides half open type cavity groove of synchronous shaping plastic part through half open type side slot shaping knockout piece 8, the ejecting knockout piece of card slot face shaping 9 is used for the draw-in groove face of synchronous shaping plastic part, after accomplishing the injection molding, outwards side shift through half open type side slot shaping knockout piece 8, the ejecting knockout piece of rethread card slot face shaping is ejecting the plastic part after will shaping, need not to carry out secondary finish machining to the cavity groove and the draw-in groove face of plastic part, the process has been shortened, simultaneously ejecting compact structure is reasonable, space utilization has been improved, the whole volume of mould has been reduced.
Referring to fig. 1-5, the clamping groove surface forming ejection demolding assembly 9 comprises a first inclined ejection demolding rod 10 arranged in the folding storage box forming lower mold 1, a clamping groove surface forming protrusion 11 is arranged on the outer side of the first inclined ejection demolding rod 10, the clamping groove surface forming protrusion 11 corresponds to the position of the forming lower portion 7, and an inner concave surface 12 is formed between the clamping groove surface forming protrusion 11 and the first inclined ejection demolding rod 10.
Specifically speaking, in the injection molding process, the clamping groove surface forming bulge 11 is matched with the inner concave surface 12 to synchronously form the clamping groove surface of the plastic part, after injection molding is completed, the plastic part is ejected through the first inclined ejection demolding rod 10, secondary finish machining is not required on the clamping groove surface of the plastic part, the working procedure is shortened, meanwhile, the ejection structure is compact and reasonable, the space utilization rate is improved, and the integral volume of the mold is reduced.
Referring to fig. 3 and 4, the semi-open side-slot molding stripping module 8 includes two side-stripping sliding bases 13 disposed in the lower folding storage box molding die 1, two limit connecting blocks 14 are disposed on the side-stripping sliding bases 13, and a side-slot molding member 15 is disposed at one end of the limit connecting block 14 away from the side-stripping sliding bases 13.
In this embodiment, the side slot molding member 15 is used to assist in molding the two side semi-open cavity slots of the molding member, the limiting connection block 14 can prevent the molten material from leaking from the side portion, and after injection molding is completed, the side demolding slide 13 is moved to a side far away from the cavity for side demolding, so as to avoid affecting the next ejection.
The side groove forming piece 15 comprises a first forming transverse plate 16 and a second forming transverse plate 17 which are arranged at one end, far away from the side demolding sliding seat 13, of the limiting connecting block 14, the first forming transverse plate 16 and the second forming transverse plate 17 are parallel to each other, a convex strip forming groove 18 is formed between the first forming transverse plate 16 and the second forming transverse plate 17, and the width of the first forming transverse plate 16 is smaller than that of the second forming transverse plate 17.
In this embodiment, during the injection molding process, the first molding cross plate 16 and the second molding cross plate 17 are matched to assist in molding the two side half open cavities of the molded part, and the protrusion molding groove 18 is used to synchronously mold the protrusion structure of the side part of the molded part.
Referring to fig. 1-3, a plurality of second inclined ejection rods 19 are further disposed in the lower folding storage box forming mold 1, a large-area ejector plate 20 is disposed at the top of the second inclined ejection rods 19, and a plurality of straight ejector rods 21 are further disposed in the lower folding storage box forming mold 1.
In this embodiment, after injection molding is completed, the second inclined ejector demolding rod 19 and the straight ejector rod 21 are used for ejecting the plastic part, so that the ejection area and the ejection range of the plastic part are increased.
Referring to fig. 1, the injection molding member 3 includes an injection molding main board 22 disposed above the upper mold 2 for molding the folding storage box, and an injection molding main hole 23 is formed in the injection molding main board 22.
In this embodiment, in the injection molding process, the molten material is injected into the cavity through the injection molding main hole 23 in the injection molding main plate 22, and injection molding is completed.
The working principle of the utility model is as follows:
In the injection molding process, the lower molding die 1 of the folding storage box and the upper molding die 2 of the folding storage box are mutually close to each other, so that the mold closing protrusion 4 and the mold closing concave cavity 6 are tightly attached, the molding upper part 5 and the molding lower part 7 are attached to form a complete cavity, molten materials are injected into the cavity through an injection molding main hole 23 in the injection molding main plate 22, in the injection molding process, the clamping groove surface molding protrusion 11 and the inner concave surface 12 are matched to synchronously mold the clamping groove surface of the plastic part, after the injection molding is completed, the plastic part is ejected through the first inclined ejection demolding rod 10, secondary finish machining is not required on the clamping groove surface of the plastic part, the working procedure is shortened, the ejection structure is compact and reasonable, the space utilization rate is improved, the whole volume of the mold is reduced, the first molding transverse plate 16 and the second molding transverse plate 17 are matched to assist in molding the two-side half-open cavity grooves of the convex strips of the plastic part, the molding grooves 18 are used for synchronously molding the convex strip structures of the side parts,
After injection molding is completed, the plastic part is ejected through the second inclined ejection demolding rod 19 and the straight ejection rod 21, so that the ejection area and the ejection range of the plastic part are improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although the terms of the folding-receiver molding lower die 1, the folding-receiver molding upper die 2, the injection molding 3, the mold clamping protrusion 4, the molding upper portion 5, the mold clamping cavity 6, the molding lower portion 7, the semi-open side-slot molding stripper 8, the slot-face molding ejector pin 9, the first diagonal ejector pin 10, the slot-face molding protrusion 11, the concave surface 12, the side ejector slide 13, the check block 14, the side-slot molding 15, the first molding cross plate 16, the second molding cross plate 17, the ridge molding slot 18, the second diagonal ejector pin 19, the large-area ejector plate 20, the straight ejector pin 21, the injection molding main plate 22, the injection molding main hole 23, and the like are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420589999.7U CN222135774U (en) | 2024-03-25 | 2024-03-25 | Precision injection molding die for plastic folding storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420589999.7U CN222135774U (en) | 2024-03-25 | 2024-03-25 | Precision injection molding die for plastic folding storage box |
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| Publication Number | Publication Date |
|---|---|
| CN222135774U true CN222135774U (en) | 2024-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420589999.7U Active CN222135774U (en) | 2024-03-25 | 2024-03-25 | Precision injection molding die for plastic folding storage box |
Country Status (1)
| Country | Link |
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| CN (1) | CN222135774U (en) |
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- 2024-03-25 CN CN202420589999.7U patent/CN222135774U/en active Active
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