CN216032170U - Anti-shrinking injection mold for thin-wall deep-cavity plastic barrel - Google Patents
Anti-shrinking injection mold for thin-wall deep-cavity plastic barrel Download PDFInfo
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- CN216032170U CN216032170U CN202122307718.3U CN202122307718U CN216032170U CN 216032170 U CN216032170 U CN 216032170U CN 202122307718 U CN202122307718 U CN 202122307718U CN 216032170 U CN216032170 U CN 216032170U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to an anti-shadow injection mold for a thin-wall deep-cavity plastic barrel. The utility model comprises an injection molding lower die and an injection molding upper die, wherein an injection molding cavity is arranged in the injection molding upper die, and a splicing type shrink-proof molding assembly is arranged on the injection molding lower die. When the plastic barrel is used for injection molding, the lower injection molding die and the upper injection molding die are close to each other, so that the spliced anti-shrink shadow forming assembly corresponds to the injection molding cavity to form a complete cavity, the spliced anti-shrink shadow forming assembly is fixed through the side positioning piece, the phenomenon that the spliced anti-shrink shadow forming assembly deviates in angle and position in the injection molding process is avoided, the injection molding accuracy is improved, a molten material is injected into the cavity through the injection molding part for injection molding, and during injection molding, the spliced anti-shrink shadow forming assembly adopts a spliced structure, so that the surface shrink shadow of a plastic barrel molding piece can be reduced, a thin-wall deep-cavity plastic barrel is formed, and the plastic barrel is good in structural strength and accuracy and high in practicability.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an anti-shadow injection mold for a thin-wall deep-cavity plastic barrel.
Background
A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The plastic barrel mold is used in the production and manufacturing process of the plastic barrel. In the production process of the existing plastic barrel mould, a formed plastic part of the existing plastic barrel mould is easy to produce a miniature, a thin-wall and deep-cavity plastic barrel is difficult to form, and the structural strength and precision of the plastic part are relatively general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses a forming die for a plastic barrel (application number: 202020748738.7], including an upper module and a lower module, a die cavity and a feed pipe arranged on the lower module, a cooling component is arranged outside the lower module, the cooling component includes a cooling cavity and a cooling water pool, the cooling cavity is communicated with the cooling water pool through a water outlet pipe and a water inlet pipe, a water pump is arranged in the middle of the water inlet pipe, a base is arranged below the lower module, a damping component for absorbing the vibration of the die is arranged below the lower module, in daily use, a die cavity is formed between the upper module and the die cavity, the melted material is filled into the die cavity through the feed pipe, the water in the cooling water pool returns to the cooling water pool after passing through the water inlet pipe, the cooling cavity and the water outlet pipe in sequence through the water pump, the cooling of the material in the die cavity is completed, the solidification speed of the material is increased, a damping device arranged below the lower module can absorb the noise generated when the supporting plate is abutted against the lower module, the noise generated when the device works is reduced, the working efficiency of the equipment is improved. However, in the production process of the scheme, the formed plastic part still easily generates a miniature, the plastic barrel with a thin wall and a deep cavity is difficult to form, and the defects of common structural strength and precision of the plastic part exist.
Disclosure of Invention
The utility model aims to solve the problems and provides an anti-shadow injection mold for a thin-wall deep-cavity plastic barrel.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a shadow injection mold that contracts is prevented to dark chamber plastic drum of thin wall, includes the lower mould of moulding plastics and moulds plastics the mould, mould plastics and be equipped with the injection moulding chamber in the mould, the lower mould of moulding plastics on be equipped with the concatenation formula and prevent the shadow shaping subassembly that contracts, the concatenation formula prevent that the shadow shaping subassembly that contracts matches with the position in injection moulding chamber corresponding and shape, the lower mould of moulding plastics on still be equipped with the lateral part setting element, the lateral part setting element prevent the shadow shaping subassembly that contracts with the concatenation formula corresponding in position, the last mould top of moulding plastics be equipped with the portion of moulding plastics, the portion of moulding plastics corresponding with the position in injection moulding chamber, the lower mould below of moulding plastics be equipped with the liftout piece, the liftout piece be located the concatenation formula and prevent the shadow shaping subassembly below that contracts.
In foretell thin wall deep cavity plastic drum prevents the epitome injection mold, the concatenation formula prevent that epitome shaping subassembly includes that two set up the thin wall deep cavity shaping piece on the lower mould of moulding plastics, two adjacent thin wall deep cavity shaping piece looks butt cooperations, the lower mould of moulding plastics on be equipped with the connecting piece, connecting piece and thin wall deep cavity shaping piece link to each other.
In foretell deep chamber plastic drum of thin wall prevents epitome injection mold, the deep chamber of thin wall become the piece and the position of injection moulding chamber corresponding and the shape matches and suits, the deep chamber of thin wall become the piece on be equipped with lateral part shaping plane, lateral part shaping plane and lateral part setting element's position corresponding.
In the anti-epitome injection mold for the thin-wall deep-cavity plastic bucket, the connecting piece comprises a plurality of internal connecting buckling blocks arranged on the injection lower mold, the internal connecting buckling blocks are in clamping fit with the thin-wall deep-cavity forming blocks, and the internal connecting buckling blocks and the ejection pieces are arranged in a staggered mode.
In the anti-epitome injection mold for the thin-wall deep-cavity plastic bucket, the lateral positioning piece comprises two lateral positioning plates arranged on an injection lower mold, the two lateral positioning plates are symmetrically arranged along the central line of the injection lower mold, and the lateral positioning plates are in butt fit with the thin-wall deep-cavity forming block.
In foretell deep chamber plastic drum of thin wall prevents epitome injection mold, the portion of moulding plastics including set up in the mainboard of moulding plastics of mould top of moulding plastics, the mainboard of moulding plastics in be equipped with the main hole of moulding plastics, the main hole bottom of moulding plastics be equipped with the counterpoint piece of moulding plastics, the counterpoint piece of moulding plastics and the position in injection moulding chamber corresponding.
In foretell deep chamber plastic drum of thin wall prevents epitome injection mold, the counterpoint piece of moulding plastics including set up in the flaring pipe of moulding plastics of the owner's of moulding plastics hole bottom, the flaring pipe of moulding plastics extend and let in to the upper mould of moulding plastics in, the flaring pipe of moulding plastics injection moulding chamber be linked together and set up.
In the anti-epitome injection mold for the thin-wall deep-cavity plastic bucket, the ejector piece comprises an ejector rod fixing plate arranged below the injection lower mold, an ejector rod fixing table is arranged on the ejector rod fixing plate, a central ejector rod is arranged on the ejector rod fixing table, and the central ejector rod corresponds to the position of the thin-wall deep-cavity forming block.
In the anti-epitome injection mold for the thin-wall deep-cavity plastic barrel, the central ejector rod and the side positioning plate are arranged in a staggered mode, and the central ejector rod is located right below the injection flared tube.
In the anti-shrink injection mold for the thin-wall deep-cavity plastic barrel, the bottom of the ejector rod fixing plate is provided with a mold base plate, and the mold base plate is in butt fit with the ejector rod fixing plate.
Compared with the prior art, the utility model has the advantages that:
1. when the plastic barrel is used for injection molding, the lower injection molding die and the upper injection molding die are close to each other, so that the spliced anti-shrink shadow forming assembly corresponds to the injection molding cavity to form a complete cavity, the spliced anti-shrink shadow forming assembly is fixed through the side positioning piece, the phenomenon that the spliced anti-shrink shadow forming assembly deviates in angle and position in the injection molding process is avoided, the injection molding accuracy is improved, a molten material is injected into the cavity through the injection molding part for injection molding, and during injection molding, the spliced anti-shrink shadow forming assembly adopts a spliced structure, so that the surface shrink shadow of a plastic barrel molding piece can be reduced, a thin-wall deep-cavity plastic barrel is formed, and the plastic barrel is good in structural strength and accuracy and high in practicability.
2. According to the utility model, the side part forming plane is arranged for forming the internal plane structure part of the plastic barrel, so that the plastic barrel does not need to be subjected to secondary processing after injection molding is finished, the production period is shortened, and the labor intensity of workers is reduced.
Additional advantageous 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 an exploded schematic view of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a partial structural view in another aspect of the present invention.
Fig. 4 is a schematic structural view of an injection molded main board.
In the figure: the injection molding device comprises an injection molding lower die 1, an injection molding upper die 2, a splicing type shrink-proof molding assembly 4, a lateral positioning piece 5, an injection molding part 6, an ejector piece 7, a thin-wall deep cavity molding block 8, a connecting piece 9, a lateral molding plane 10, an internal connecting buckle block 11, a lateral positioning plate 12, an injection molding main plate 13, an injection molding main hole 14, an injection molding alignment piece 15, an injection molding flared tube 16, an ejector rod fixing plate 17, an ejector rod fixing table 18, a central ejector rod 19 and a die base plate 20.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a dark chamber plastic drum of thin wall prevents that shrink shadow injection mold, including mould plastics lower mould 1 and mould plastics 2, mould plastics and be equipped with the injection moulding chamber in the mould 2, mould plastics lower mould 1 on be equipped with the concatenation formula and prevent shrink shadow shaping subassembly 4, the concatenation formula prevent that the shrink shadow shaping subassembly 4 matches with the position in injection moulding chamber corresponding and shape and fit, mould plastics lower mould 1 on still be equipped with lateral part setting element 5, lateral part setting element 5 and concatenation formula prevent that the position of shrink shadow shaping subassembly 4 is corresponding, mould plastics upper mould 2 top be equipped with the portion of moulding plastics 6, the portion of moulding plastics 6 corresponding with the position in injection moulding chamber, 1 below of mould plastics lower mould be equipped with ejection piece 7, ejection piece 7 be located the concatenation formula and prevent shrink shadow shaping subassembly 4 below.
In this embodiment, when moulding plastics, will mould plastics lower mould 1 and mould plastics upper mould 2 and be close to each other, make concatenation formula prevent that the shrink shadow shaping subassembly 4 is corresponding with the injection moulding chamber, form complete die cavity, prevent shrink shadow shaping subassembly 4 with concatenation formula through lateral part setting element 5 and fix, avoid concatenation formula to prevent shrink shadow shaping subassembly 4 and take place angle and offset at the in-process of moulding plastics, the accuracy of moulding plastics has been improved, the melting material pours into to the die cavity into through portion 6 of moulding plastics, mould plastics, when moulding plastics, concatenation formula prevents shrink shadow shaping subassembly 4 and adopts the concatenation formula structure, the surface shrink shadow of piece is moulded to reducible plastic drum, form thin wall deep cavity plastic drum, it is better to mould a structural strength and precision, the practicality is stronger, it can to carry out ejecting through ejecting 7 after accomplishing the back of moulding plastics.
With reference to fig. 1 and 2, the spliced anti-shadow-shrinking forming assembly 4 comprises two thin-wall deep-cavity forming blocks 8 arranged on the injection lower die 1, the two adjacent thin-wall deep-cavity forming blocks 8 are in butt joint and matched, a connecting piece 9 is arranged on the injection lower die 1, and the connecting piece 9 is connected with the thin-wall deep-cavity forming blocks 8.
Specifically speaking, before moulding plastics, with two adjacent thin wall deep cavity shaping piece 8 looks butt cooperations, connect two adjacent thin wall deep cavity shaping piece 8 through connecting piece 9, ensure that two adjacent thin wall deep cavity shaping piece 8 junctions keep hugging closely the cooperation, the reducible plastic drum moulds the surface epitome of piece, forms the deep cavity plastic drum of thin wall, moulds a structural strength and precision better, and the practicality is stronger.
Referring to fig. 1 and 2, the thin-wall deep cavity forming block 8 corresponds to the injection molding cavity in position and fits in shape, a lateral forming plane 10 is arranged on the thin-wall deep cavity forming block 8, and the lateral forming plane 10 corresponds to the lateral positioning piece 5 in position.
In this embodiment, the lateral forming plane 10 is used to form the internal planar structure of the plastic barrel, and the plastic barrel does not need to be subjected to secondary processing after injection molding, so that the production period is shortened, and the labor intensity of workers is reduced.
The connecting piece 9 comprises a plurality of internal connecting buckling blocks 11 arranged on the injection molding lower die 1, the internal connecting buckling blocks 11 are in clamping fit with the thin-wall deep cavity forming block 8, and the internal connecting buckling blocks 11 and the ejection piece 7 are arranged in a staggered mode.
In this embodiment, before moulding plastics, with two adjacent thin wall deep cavity one-tenth briquetting 8 looks butt cooperations, detain piece 11 through internal connection and connect two adjacent thin wall deep cavity one-tenth briquetting 8, ensure that two adjacent thin wall deep cavity one-tenth briquetting 8 junctions keep hugging closely the cooperation, the reducible plastic drum moulds the surface epirelief of piece, forms the deep cavity plastic drum of thin wall, moulds a structural strength and precision better, and the practicality is stronger.
As shown in fig. 2, the lateral positioning element 5 includes two lateral positioning plates 12 disposed on the injection molding lower mold 1, the two lateral positioning plates 12 are symmetrically disposed along the center line of the injection molding lower mold 1, and the lateral positioning plates 12 are in abutting fit with the thin-wall deep cavity forming block 8.
In this embodiment, when the compound die, carry out the butt with the deep chamber of thin wall shaping piece 8 lateral part through lateral part locating plate 12 and fix, avoid the deep chamber of thin wall shaping piece 8 to take place not hard up at the in-process of moulding plastics, improved the steadiness of the deep chamber of thin wall shaping piece 8.
The injection molding part 6 comprises an injection molding main board 13 arranged above the injection molding upper die 2, an injection molding main hole 14 is formed in the injection molding main board 13, an injection molding counterpoint piece 15 is arranged at the bottom of the injection molding main hole 14, and the injection molding counterpoint piece 15 corresponds to the position of the injection molding cavity.
In this embodiment, during injection molding, a molten material is injected from the injection main hole 14 in the injection main plate 13, and then the molten material is accurately fed into the cavity through the injection alignment member 15, so that the injection molding precision is high.
The injection molding alignment piece 15 comprises an injection molding flared tube 16 arranged at the bottom of the injection molding main hole 14, the injection molding flared tube 16 extends into the injection molding upper die 2, and the injection molding flared tube 16 is communicated with the injection molding cavity.
In this embodiment, during injection molding, a molten material is injected from the injection main hole 14 in the injection main plate 13, and then the molten material is accurately fed into the cavity through the injection flared tube 16, so that the injection molding precision is high.
As shown in fig. 3, the ejector 7 includes an ejector rod fixing plate 17 disposed below the injection molding lower mold 1, the ejector rod fixing plate 17 is provided with an ejector rod fixing table 18, the ejector rod fixing table 18 is provided with a central ejector rod 19, and the central ejector rod 19 corresponds to the thin-wall deep cavity forming block 8.
In this embodiment, ejector rod fixed plate 17 is used for installing fixed ejector rod fixed station 18, and ejector rod fixed station 18 carries out fixed connection with the bottom of central ejector rod 19, and the connection effect is better, and after accomplishing to mould plastics, it can to carry out ejecting through central ejector rod 19 with the piece of moulding after the shaping.
Referring to fig. 1 and 2, the central ejector rod 19 and the side positioning plate 12 are arranged in a staggered manner, and the central ejector rod 19 is located right below the injection flared tube 16.
Referring to fig. 1, a mold base plate 20 is disposed at the bottom of the ejector rod fixing plate 17, and the mold base plate 20 is in abutting fit with the ejector rod fixing plate 17.
In this embodiment, the mold base plate 20 is used to connect and fix the bottom of the ejector rod fixing plate 17.
The working principle of the utility model is as follows:
when in injection molding, the injection lower mold 1 and the injection upper mold 2 are close to each other, two adjacent thin-wall deep cavity forming blocks 8 are in butt fit, the two adjacent thin-wall deep cavity forming blocks 8 are connected through the internal connecting buckle block 11, the joint of the two adjacent thin-wall deep cavity forming blocks 8 is ensured to be kept in close fit, the thin-wall deep cavity forming blocks 8 correspond to the injection molding cavity to form a complete cavity, the side parts of the thin-wall deep cavity forming blocks 8 are in butt fit through the side part positioning plate 12, the thin-wall deep cavity forming blocks 8 are prevented from being loosened in the injection molding process, the stability of the thin-wall deep cavity forming blocks 8 is improved, the injection accuracy is improved, during injection molding, molten materials are injected from an injection main hole 14 in an injection main plate 13, and then are accurately fed into the cavity through the injection flared pipe 16, the injection molding accuracy is high, during injection molding, the spliced structure is adopted, the surface epitome of the plastic barrel plastic part can be reduced, the thin-wall deep-cavity plastic barrel is formed, the structural strength and the precision of the plastic part are better, the practicability is stronger,
ejector rod fixed plate 17 is used for installing fixed ejector rod fixed station 18, and ejector rod fixed station 18 carries out fixed connection with the bottom of central ejector rod 19, and the connection effect is better, and after accomplishing to mould plastics, it can to go on ejecting through central ejector rod 19 with the piece of moulding after the shaping.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although the terms of the lower injection mold 1, the upper injection mold 2, the split-joint type anti-shadow molding assembly 4, the side positioning piece 5, the injection molding part 6, the ejector 7, the thin-wall deep cavity molding block 8, the connecting piece 9, the side molding plane 10, the internal connecting buckle block 11, the side positioning plate 12, the injection main plate 13, the injection main hole 14, the injection alignment piece 15, the injection flared tube 16, the ejector rod fixing plate 17, the ejector rod fixing table 18, the central ejector rod 19, the mold base plate 20, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. An anti-shadow injection mold for a thin-wall deep-cavity plastic barrel comprises an injection lower mold (1) and an injection upper mold (2), it is characterized in that an injection molding cavity is arranged in the injection upper die (2), a splicing type shrink-proof molding assembly (4) is arranged on the injection lower die (1), the spliced anti-shrink forming component (4) corresponds to the injection forming cavity in position and is matched with the injection forming cavity in shape, the injection molding lower die (1) is also provided with a side positioning piece (5), the side positioning piece (5) corresponds to the spliced anti-shrink forming component (4), an injection molding part (6) is arranged above the injection upper mold (2), the injection molding part (6) corresponds to the injection molding cavity, injection molding lower mould (1) below be equipped with ejecting (7), ejecting (7) be located the shrink shadow forming subassembly (4) below is prevented to concatenation formula.
2. The plastic drum shrink-proof injection mold of claim 1, characterized in that the split joint shrink-proof molding assembly (4) comprises two thin-wall deep cavity molding blocks (8) arranged on the lower injection mold (1), the two adjacent thin-wall deep cavity molding blocks (8) are in butt fit, a connecting piece (9) is arranged on the lower injection mold (1), and the connecting piece (9) is connected with the thin-wall deep cavity molding blocks (8).
3. The anti-epitome injection mold for the thin-wall deep-cavity plastic bucket according to claim 2, wherein the thin-wall deep-cavity forming block (8) corresponds to the injection molding cavity in position and is matched with the injection molding cavity in shape, a side forming plane (10) is arranged on the thin-wall deep-cavity forming block (8), and the side forming plane (10) corresponds to the side positioning piece (5) in position.
4. The anti-epitome injection mold for the thin-wall and deep-cavity plastic barrels as claimed in claim 3, wherein the connecting piece (9) comprises a plurality of internal connecting buckling blocks (11) arranged on the lower injection mold (1), the internal connecting buckling blocks (11) are in clamping fit with the thin-wall and deep-cavity forming blocks (8), and the internal connecting buckling blocks (11) and the ejection pieces (7) are arranged in a staggered manner.
5. The anti-epitome injection mold for the thin-wall deep-cavity plastic bucket according to claim 4, wherein the lateral positioning piece (5) comprises two lateral positioning plates (12) arranged on the lower injection mold (1), the two lateral positioning plates (12) are symmetrically arranged along the central line of the lower injection mold (1), and the lateral positioning plates (12) are in butt fit with the thin-wall deep-cavity forming block (8).
6. The anti-epitome injection mold for the thin-wall deep-cavity plastic bucket according to claim 5, wherein the injection molding part (6) comprises an injection molding main plate (13) arranged above the injection molding upper mold (2), an injection molding main hole (14) is formed in the injection molding main plate (13), an injection molding aligning piece (15) is arranged at the bottom of the injection molding main hole (14), and the injection molding aligning piece (15) corresponds to the injection molding cavity.
7. The anti-epitome injection mold for the thin-wall and deep-cavity plastic barrels as claimed in claim 6, wherein the injection alignment member (15) comprises an injection flared tube (16) arranged at the bottom of the injection main hole (14), the injection flared tube (16) extends into the injection upper mold (2), and the injection molding cavities of the injection flared tube (16) are communicated with each other.
8. The anti-epitome injection mold for the thin-wall deep-cavity plastic bucket according to claim 7, wherein the ejector piece (7) comprises an ejector rod fixing plate (17) arranged below the injection lower mold (1), an ejector rod fixing table (18) is arranged on the ejector rod fixing plate (17), a central ejector rod (19) is arranged on the ejector rod fixing table (18), and the position of the central ejector rod (19) corresponds to that of the thin-wall deep-cavity molding block (8).
9. The anti-epitome injection mold for the thin-wall deep-cavity plastic drum as claimed in claim 8, wherein the central ejector rod (19) is staggered with the side positioning plate (12), and the central ejector rod (19) is positioned right below the injection flared tube (16).
10. The anti-epitome injection mold for the thin-wall deep-cavity plastic drum as claimed in claim 9, wherein a mold base plate (20) is arranged at the bottom of the ejector rod fixing plate (17), and the mold base plate (20) is in butt fit with the ejector rod fixing plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307718.3U CN216032170U (en) | 2021-09-22 | 2021-09-22 | Anti-shrinking injection mold for thin-wall deep-cavity plastic barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307718.3U CN216032170U (en) | 2021-09-22 | 2021-09-22 | Anti-shrinking injection mold for thin-wall deep-cavity plastic barrel |
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| Publication Number | Publication Date |
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| CN216032170U true CN216032170U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122307718.3U Active CN216032170U (en) | 2021-09-22 | 2021-09-22 | Anti-shrinking injection mold for thin-wall deep-cavity plastic barrel |
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| CN (1) | CN216032170U (en) |
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2021
- 2021-09-22 CN CN202122307718.3U patent/CN216032170U/en active Active
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