CN108099115B - Injection mold runner steering shaft with positioning structure - Google Patents
Injection mold runner steering shaft with positioning structure Download PDFInfo
- Publication number
- CN108099115B CN108099115B CN201711439290.XA CN201711439290A CN108099115B CN 108099115 B CN108099115 B CN 108099115B CN 201711439290 A CN201711439290 A CN 201711439290A CN 108099115 B CN108099115 B CN 108099115B
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- CN
- China
- Prior art keywords
- runner
- shaft body
- counter bore
- mold
- shunt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2803—Closure devices therefor comprising a member with an opening or the injection nozzle movable into or out of alignment with the sprue channel or mould gate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
Abstract
The invention provides an injection mold runner steering shaft with a positioning structure, which comprises a shaft body, wherein a runner is arranged on the top surface of the shaft body, an inner hexagonal counter bore is arranged in the center of the top of the shaft body, a hook leg is arranged in the circumferential direction of the bottom of the shaft body, a shaft body counter bore is arranged in the center of the bottom of the shaft body, and a through U-shaped groove is formed from the lower end of the shaft body to the bottom. The injection mold comprises a mold cavity block, a main runner and a shunt runner are arranged on the mold cavity block, a through hole is arranged at the intersection, a concentric mold counter bore is arranged at the bottom of the through hole, the shunt runner is connected with a mold cavity, a shaft body is arranged in the through hole, and a hook foot at the bottom of the shaft body is matched with a mold counter bore step at the bottom of the through hole. During normal injection molding production, the runner on the top surface of the shaft body is communicated with the main runner and the shunt runner, and when a certain cavity needs to be cut off, the shaft body is rotated, so that the runner on the top surface of the shaft body and the shunt runner connected with the cavity are arranged in a staggered mode. The invention can conveniently control the disconnection and connection of the runner of the multi-cavity injection mold, and has simple structure, convenient installation and lower cost.
Description
Technical Field
The invention relates to an injection mold runner steering shaft with a positioning structure, and belongs to the technical field of injection molds.
Background
In the production process of multi-cavity injection molds (2 or more cavities), one or more cavities need to be blocked for different reasons, at this time, the runner of the cavity which does not participate in injection needs to be disconnected, and molten plastic does not enter the cavity, so that a mechanism, namely a runner control rotating shaft, needs to be added in the runner to control the disconnection and the connection of the runner to achieve the purpose.
The current runner steering shaft is complex to install and occupies a large die space.
Disclosure of Invention
The invention aims to solve the technical problem of providing the steering shaft of the runner of the injection mold, which can control the disconnection and the connection of the runner of the injection mold with multiple cavities so as to achieve the purpose of closing the corresponding cavities, and has the advantages of simple structure and convenient installation.
In order to solve the technical problems, the technical scheme of the invention is to provide an injection mold runner steering shaft with a positioning structure, which is characterized in that: the novel multifunctional shaft comprises a shaft body, wherein a flow passage is formed in the top surface of the shaft body, an inner hexagonal counter bore is formed in the center of the top of the shaft body, hook legs are circumferentially arranged at the bottom of the shaft body, a shaft body counter bore is formed in the center of the bottom of the shaft body, and a through U-shaped groove is formed in the lower end of the shaft body until the bottom of the shaft body.
Preferably, two circular arc bosses which are symmetrically arranged are arranged on the circumference of the hook leg.
Preferably, the injection mold comprises a mold cavity block, a main runner and a shunt runner are arranged on the mold cavity block, a through hole is formed in the intersection of the main runner and the shunt runner, a concentric mold counter bore is formed in the bottom of the through hole, the shunt runner is connected with the mold cavity, the shaft body is arranged in the through hole, and a hook foot at the bottom of the shaft body is matched with a mold counter bore step at the bottom of the through hole.
Preferably, circular arc grooves are distributed on the circumference of the counter bore of the die at equal intervals.
Preferably, the circular arc boss on the circumference of the hook leg is matched with the circular arc groove on the circumference of the counter bore of the die.
Preferably, in normal injection molding production, the flow channel on the top surface of the shaft body is communicated with the main flow channel and the shunt channel, and the circular arc convex table is clamped in the circular arc groove.
Preferably, when a certain cavity needs to be cut off, the runner on the top surface of the shaft body and the runner connected with the cavity are arranged in a staggered mode, and the arc convex table is clamped in the arc groove.
The invention provides an injection mold runner steering shaft, which has the working principle that: the runner steering shaft is arranged in the shaft hole of the cavity block, the hook foot at the bottom of the shaft body is matched with the counter bore step at the bottom of the through hole of the cavity block, and the arc boss on the circumference of the hook foot at the bottom of the runner steering shaft is matched with the arc groove on the circumference of the counter bore of the cavity block. When the flow direction of the runner is to be regulated, a hexagonal wrench is placed into a hexagonal counter bore in the center of the top surface of the runner steering shaft, and the runner steering shaft is rotated to enable the runner to point to different positions, so that the on or off of the cavity and the runner is realized. The circular arc boss at the bottom of the runner steering shaft is clamped in the circular arc groove at the bottom of the cavity block, so that the runner steering shaft can be fixed, unnecessary deflection of the runner steering shaft in the injection molding process can be avoided, and the U-shaped groove is formed in the bottom of the runner steering shaft, so that the bottom of the runner steering shaft is elastic, the circular arc boss can be compressed in the radial direction, and the runner steering shaft can be manually rotated under certain torsion, so that the flow direction of a runner can be adjusted.
The device provided by the invention overcomes the defects of the prior art, can control the disconnection and the connection of the runner of the multi-cavity injection mold so as to achieve the purpose of closing the corresponding cavity, and has the advantages of simple structure, convenience in installation and lower cost.
Drawings
Fig. 1 is a schematic front view of an injection mold runner steering shaft with a positioning structure according to the present embodiment;
FIG. 2 is a schematic view of the steering shaft of the runner of the injection mold with the positioning structure according to the present embodiment;
FIG. 3 is a schematic cross-sectional view of a flow path steering shaft of an injection mold with a positioning structure according to the present embodiment;
fig. 4 is a schematic front view of an injection mold runner steering shaft with a positioning structure and a mold cavity block according to the embodiment, wherein the 4 cavities are all communicated with a runner;
FIG. 5 is a schematic diagram of the back side of the injection mold runner steering shaft with positioning structure and the mold cavity block assembled and the 4 cavities all connected with the runner;
FIG. 6 is an exploded back view of the injection mold runner steering shaft with positioning structure and the mold cavity block assembly, with the 4 cavities all communicating with the runner provided in this embodiment;
fig. 7 is a schematic front view of an injection mold runner steering shaft with a positioning structure and a mold cavity block according to the present embodiment, wherein 1 cavity and runner are assembled and disconnected;
fig. 8 is a schematic diagram of the back side of the assembly of the runner steering shaft and the mold cavity block of the injection mold with the positioning structure and the disconnection of 1 cavity and runner provided in this embodiment;
description of the reference numerals
1. The flow passage steering shaft comprises a flow passage steering shaft body, a 2U-shaped groove, a hook leg, a 4 circular arc boss, a 5 flow passage, a 6 inner hexagonal counter bore, a 7 shaft body counter bore, a 8 cavity, a 9 cavity block, a 10 main flow passage, a 11 shunt passage, a 12 circular arc groove, a 13 mould counter bore and a 14 through hole.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
As shown in fig. 1, 2 and 3, the invention provides an injection mold runner steering shaft with a positioning mechanism, which comprises a shaft body, wherein a runner 5 is arranged on the top surface of the shaft body, an inner hexagonal counter bore 6 is arranged in the center of the top of the shaft body, a hook 3 is arranged at the bottom of the shaft body, two circular arc-shaped bosses 4 which are symmetrically arranged are arranged on the circumference of the hook 3, a shaft counter bore 7 is arranged in the center of the bottom of the shaft body, and a through U-shaped groove 2 is arranged at the lower end of the side surface of the shaft body until the bottom of the shaft body.
As shown in fig. 4, 5 and 6, a main runner 10 and a split runner 11 are arranged on a die cavity block 9, two ends of the main runner 10 are respectively and vertically connected with the two split runners 11, a through hole 14 is arranged at the center of the intersection of the main runner 10 and the split runner 11, a concentric die counter bore 13 is arranged at the bottom of the through hole 14, and four circular arc grooves 12 are uniformly distributed on the circumference of the die counter bore 13. The end of the runner 11 is connected with the cavity 8.
The runner steering shaft 1 is arranged in a through hole 14 of the cavity block 9, the hook foot 3 at the bottom of the runner steering shaft 1 is matched with a step of a die counter bore 13 at the bottom of the through hole 14 of the cavity block 9, and the arc boss 4 on the circumference of the hook foot 3 at the bottom of the runner steering shaft 1 is matched with an arc groove 12 on the circumference of the die counter bore 13 of the cavity block 9.
In normal injection molding production, the runner steering shaft 1 is arranged as shown in fig. 4, and four cavities are communicated with the runner, so that all cavities can be simultaneously molded. As shown in fig. 5, the circular arc boss 4 at the bottom of the runner steering shaft 1 is clamped in the circular arc groove 12 at the bottom of the cavity block 9, so that the runner steering shaft 1 can be fixed, and unnecessary deflection of the runner steering shaft 1 in the injection molding process can be avoided.
The U-shaped groove 2 is formed in the bottom of the flow passage steering shaft 1, so that the bottom of the flow passage steering shaft 1 is elastic, and the arc boss 4 can be compressed along the radial direction, and therefore the flow direction of the flow passage can be adjusted by manually rotating the flow passage steering shaft 1 under a certain torque force.
As shown in fig. 7, if the cavity 8 is disconnected from the split runner 11 without taking part in injection molding feeding, a hexagonal wrench may be used to put into the hexagonal counterbore 6 in the center of the top surface of the runner steering shaft 1, the runner steering shaft 1 is rotated by 90 degrees, and the split runner 11 flowing to the cavity 8 is disconnected. As shown in fig. 8, the circular arc boss 4 at the bottom of the runner steering shaft 1 still can be clamped in the circular arc groove 12 at the bottom of the cavity block 9 to fix the runner steering shaft 1, and the runner steering shaft 1 cannot deflect in the injection molding process.
Claims (3)
1. The utility model provides an injection mold runner steering spindle from taking positioning mechanism which characterized in that: the novel rotary shaft comprises a shaft body, wherein a flow passage (5) is arranged on the top surface of the shaft body, an inner hexagonal counter bore (6) is arranged in the center of the top of the shaft body, a hook foot (3) is circumferentially arranged at the bottom of the shaft body, a shaft body counter bore (7) is arranged in the center of the bottom of the shaft body, a through U-shaped groove (2) is formed at the lower end of the shaft body until the bottom of the shaft body, and two circular arc bosses (4) which are symmetrically distributed are circumferentially arranged on the hook foot (3);
the injection mold comprises a mold cavity block (9), a main runner (10) and a shunt runner (11) which are intersected are arranged on the mold cavity block (9), a through hole (14) is formed in the intersection of the main runner (10) and the shunt runner (11), a concentric mold counter bore (13) is formed in the bottom of the through hole (14), the shunt runner (11) is connected with a mold cavity (8), a shaft body is arranged in the through hole (14), and a hook foot (3) at the bottom of the shaft body is matched with a step of the mold counter bore (13) at the bottom of the through hole (14); circular arc grooves (12) are uniformly distributed on the circumference of the die counter bore (13);
the circular arc boss (4) on the circumference of the hook leg (3) is matched with the circular arc groove (12) on the circumference of the die counter bore (13).
2. The injection mold runner steering shaft with a positioning mechanism as in claim 1, wherein: during normal injection molding production, the flow channel (5) on the top surface of the shaft body is communicated with the main flow channel (10) and the shunt channel (11), and the arc boss (4) is clamped in the arc groove (12).
3. The injection mold runner steering shaft with a positioning mechanism as in claim 1, wherein: when a certain cavity (8) needs to be cut off, the runner (5) on the top surface of the shaft body and the shunt (11) connected with the cavity (8) are arranged in a staggered mode, and the arc boss (4) is clamped in the arc groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439290.XA CN108099115B (en) | 2017-12-26 | 2017-12-26 | Injection mold runner steering shaft with positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439290.XA CN108099115B (en) | 2017-12-26 | 2017-12-26 | Injection mold runner steering shaft with positioning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099115A CN108099115A (en) | 2018-06-01 |
| CN108099115B true CN108099115B (en) | 2024-03-22 |
Family
ID=62211880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439290.XA Active CN108099115B (en) | 2017-12-26 | 2017-12-26 | Injection mold runner steering shaft with positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099115B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003711U (en) * | 1994-04-28 | 1994-11-01 | 不二プラスチック株式会社 | Injection mold |
| CN101905512A (en) * | 2009-06-02 | 2010-12-08 | 张欢庆 | Runner lock for injection mould with different cavities |
| CN103231495A (en) * | 2013-04-24 | 2013-08-07 | 昌辉汽车电器（黄山）股份公司 | Multi-cavity injection mould runner replacer |
| CN203125876U (en) * | 2012-12-28 | 2013-08-14 | 天津市柯文制模注塑有限公司 | Runner steering device for injection molding mould |
| CN103538210A (en) * | 2013-10-28 | 2014-01-29 | 江苏文光模具技术有限公司 | Flow regulation mechanism for runner of injection mould |
| CN203472077U (en) * | 2013-08-28 | 2014-03-12 | 亿和精密工业（苏州）有限公司 | Conversion valve |
| CN205572918U (en) * | 2016-03-16 | 2016-09-14 | 模标（厦门）科技有限公司 | But runner flow direction control mold |
| CN205889751U (en) * | 2016-07-18 | 2017-01-18 | 厦门精星扬模塑科技有限公司 | Improvement structure of injection mold runner system |
| CN206066857U (en) * | 2016-08-29 | 2017-04-05 | 天津柯文实业股份有限公司 | For the runner flow section king pin of injection mold |
| CN207682821U (en) * | 2017-12-26 | 2018-08-03 | 上海维科精密模塑有限公司 | The flow channel of injection die steering shaft of included location structure |
-
2017
- 2017-12-26 CN CN201711439290.XA patent/CN108099115B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003711U (en) * | 1994-04-28 | 1994-11-01 | 不二プラスチック株式会社 | Injection mold |
| CN101905512A (en) * | 2009-06-02 | 2010-12-08 | 张欢庆 | Runner lock for injection mould with different cavities |
| CN203125876U (en) * | 2012-12-28 | 2013-08-14 | 天津市柯文制模注塑有限公司 | Runner steering device for injection molding mould |
| CN103231495A (en) * | 2013-04-24 | 2013-08-07 | 昌辉汽车电器（黄山）股份公司 | Multi-cavity injection mould runner replacer |
| CN203472077U (en) * | 2013-08-28 | 2014-03-12 | 亿和精密工业（苏州）有限公司 | Conversion valve |
| CN103538210A (en) * | 2013-10-28 | 2014-01-29 | 江苏文光模具技术有限公司 | Flow regulation mechanism for runner of injection mould |
| CN205572918U (en) * | 2016-03-16 | 2016-09-14 | 模标（厦门）科技有限公司 | But runner flow direction control mold |
| CN205889751U (en) * | 2016-07-18 | 2017-01-18 | 厦门精星扬模塑科技有限公司 | Improvement structure of injection mold runner system |
| CN206066857U (en) * | 2016-08-29 | 2017-04-05 | 天津柯文实业股份有限公司 | For the runner flow section king pin of injection mold |
| CN207682821U (en) * | 2017-12-26 | 2018-08-03 | 上海维科精密模塑有限公司 | The flow channel of injection die steering shaft of included location structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108099115A (en) | 2018-06-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 1250 Huajing Road, Xuhui District, Shanghai 200030 Applicant after: Shanghai Vico Precision Molding Co.,Ltd. Address before: 1250 Huajing Road, Xuhui District, Shanghai 200030 Applicant before: SHANGHAI VICO PRECISION MOULD & PLASTICS Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |