CN108638449B - Front and back reverse plastic mould structure - Google Patents
Front and back reverse plastic mould structure Download PDFInfo
- Publication number
- CN108638449B CN108638449B CN201810646676.6A CN201810646676A CN108638449B CN 108638449 B CN108638449 B CN 108638449B CN 201810646676 A CN201810646676 A CN 201810646676A CN 108638449 B CN108638449 B CN 108638449B
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- China
- Prior art keywords
- insert
- hole
- mold core
- core
- spiral groove
- Prior art date
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- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method 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
Images
Classifications
-
- 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
-
- 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
-
- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Abstract
The invention discloses a front and back mold reverse plastic mold structure, which comprises a movable mold core and a fixed mold core, wherein inclined guide pillars are fixedly arranged on the left and right side surfaces of the movable mold core, C-shaped sliding blocks are fixedly arranged on the left and right side surfaces of the fixed mold core, two extrusion holes are formed in the middle of the surface of the fixed mold core, a fixed mold insert is movably arranged in each extrusion hole, a cylindrical spiral groove is formed in the middle of the fixed mold insert, a runner insert is movably arranged in each spiral groove, a plurality of glue inlet holes are formed in each runner insert, and two inclined flow guide holes are formed in the outer side of each spiral groove on the top surface of the fixed mold insert. When the plastic injection molding device is used, plastic for processing is injected into the mold cavity through the glue inlet hole and the glue homogenizing hole in sequence, cooling water is injected into the spiral groove through the flow guide hole after glue injection operation is completed, and the cooling water is discharged out of the inner part of the fixed mold insert through the flow guide hole at the other end, so that the purposes of shortening the molding period and ensuring the size stability of a product are achieved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of mold processing, in particular to a front and back mold reverse plastic mold structure.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, 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 element has the name of "industrial mother". The structure of present mould is the structure that is the fixed die plate under the movable mould board mostly, and the condition on damage product surface easily appears during the drawing of patterns operation, not only influences the course of working, influences the product quality moreover, and most moulds all adopt the forced air cooling mode to finalize the design, not only expend time long, work efficiency is low moreover, and the result of use is poor.
Because of the high requirement of product buckle, still need to guarantee the size precision of product, the runner is put at the center of product (the mould advances to water and adopts the pouring to advance gluey), prevents that the product from warping greatly when moulding plastics.
Disclosure of Invention
The present invention is directed to a plastic mold structure with reversed front and back molds to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a front and back mold reverse plastic mold structure comprises a movable mold core and a fixed mold core, wherein a plurality of cylindrical mounting holes are uniformly formed in the side surface of the movable mold core, a plurality of mounting seats are fixedly arranged in the mounting holes on the left and right side surfaces of the movable mold core through connecting pieces, a plurality of supporting columns are fixedly arranged on the bottom surface of each mounting seat, an inclined guide pillar is fixedly arranged at one end of the middle part of the top surface of each mounting seat, an 8-shaped mold groove is fixedly arranged in the middle part of the top surface of the movable mold core, cylindrical positioning holes are respectively formed in the middle parts of the upper end and the lower end of the mold groove on the top surface of the movable mold core, the fixed mold core is movably arranged above the movable mold core through the inclined guide pillars, C-shaped sliding blocks are fixedly arranged on the left and right side surfaces of the fixed mold core, a limiting plate is fixedly, the top surface of the fixed die core is provided with a plurality of cylindrical heat dissipation holes, the middle part of the surface of the fixed die core is symmetrically provided with two rectangular extrusion holes, the inside of each extrusion hole is movably provided with a fixed die insert, the middle part of the fixed die insert is provided with a cylindrical spiral groove, the inside of the spiral groove is movably provided with a runner insert, the inside of the runner insert is provided with a plurality of glue inlet holes, the outside of the spiral groove on the top surface of the fixed die insert is symmetrically provided with two oblique flow guide holes, the fixed die insert is of a two-section structure, the upper part of the fixed die insert is an elliptic cylindrical limiting block, the lower part of the fixed die insert is a regular quadrangular frustum-shaped extrusion block, the slide block arranged on the side surface of the fixed die core is a half slide block, the fixed die core, the movable die core and the slide block are all made of alloy materials, the glue homogenizing hole and the glue inlet hole of the runner insert are the same in aperture, the aperture of the positioning hole is smaller than that of the mounting hole, the aperture of the limiting hole is larger than the outer diameter of the inclined guide pillar, a spiral water channel is fixedly arranged on the surface of one end, located inside the spiral groove, of the runner insert, and a circulating cooling water channel is formed between the two flow guide holes and the spiral groove inside the fixed mold insert through the runner insert.
Compared with the prior art, the invention has the beneficial effects that: the invention is characterized in that oblique guide pillars are fixedly arranged on the left and right side surfaces of a movable die core through a mounting seat, a die groove is fixedly arranged in the middle of the top surface of the movable die core, C-shaped sliding blocks are fixedly arranged on the left and right side surfaces of the fixed die core, a fixed die insert is movably arranged in an extrusion hole, a cylindrical spiral groove is arranged in the middle of the fixed die insert, a runner insert is movably arranged in the spiral groove, a plurality of glue inlet holes are arranged in the runner insert, two oblique flow guide holes are symmetrically arranged on the outer side of the spiral groove on the top surface of the fixed die insert, when in use, processing plastic is sequentially injected into the die groove through the glue inlet hole on the inner wall of the runner insert and the glue homogenizing hole at the bottom end of the inner wall of the fixed die insert, cooling water is injected into the spiral groove through the flow guide holes after glue injection operation is finished, and water in the spiral groove, the purpose of shortening the forming period and ensuring the dimensional stability of the product is achieved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of a movable mold core structure according to the present invention.
FIG. 2 is a top view of the stationary mold core of the present invention.
FIG. 3 is a cross-sectional view of a stationary mold insert of the present invention.
In the figure: 1-movable mould core, 2-fixed mould core, 3-mounting hole, 4-mounting seat, 5-support column, 6-inclined guide column, 7-mould groove, 8-positioning hole, 9-slide block, 10-limiting plate, 11-limiting hole, 12-heat dissipation hole, 13-extrusion hole, 14-fixed mould insert, 15-spiral groove, 16-runner insert, 17-glue inlet hole, 18-flow guide hole, 19-limiting block, 20-extrusion block, 21-glue homogenizing hole and 22-spiral water channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 3, in the embodiment of the present invention, a front and rear mold reverse plastic mold structure includes a movable mold core 1 and a fixed mold core 2, a plurality of cylindrical mounting holes 3 are uniformly formed in a side surface of the movable mold core 1, a plurality of mounting seats 4 are fixedly disposed in the mounting holes 3 on left and right side surfaces of the movable mold core 1 through connecting members, a plurality of supporting pillars 5 are fixedly disposed on a bottom surface of the mounting seats 4, an inclined guide pillar 6 is fixedly disposed at one end of a middle portion of a top surface of the mounting seat 4, an 8-shaped mold groove 7 is fixedly disposed at a middle portion of a top surface of the movable mold core 1, cylindrical positioning holes 8 are respectively formed in middle portions of upper and lower ends of the mold groove 7 on the top surface of the movable mold core 1, the fixed mold core 2 is movably disposed above the movable mold core 1 through the inclined guide pillar 6, C-shaped sliding blocks 9 are fixedly disposed on left and, one end of the surface of the limiting plate 10 is provided with an oblique cylindrical limiting hole 11, the top surface of the fixed mold core 2 is provided with a plurality of cylindrical heat dissipation holes 12, the middle part of the surface of the fixed mold core 2 is symmetrically provided with two rectangular extrusion holes 13, a fixed mold insert 14 is movably arranged in each extrusion hole 13, the middle part of the fixed mold insert 14 is provided with a cylindrical spiral groove 15, a runner insert 16 is movably arranged in each spiral groove 15, a plurality of glue inlet holes 17 are arranged in each runner insert 16, and two oblique flow guide holes 18 are symmetrically arranged on the outer side of each spiral groove 15 on the top surface of the fixed mold insert 14; the fixed mold insert 14 is of a two-section structure, the upper half part of the fixed mold insert 14 is an elliptic cylindrical limiting block 19, and the lower half part of the fixed mold insert 14 is a regular quadrangular frustum pyramid-shaped extrusion block 20; the slide block 9 arranged on the side surface of the fixed die core 2 is a half slide block, and the fixed die core 2, the movable die core 1 and the slide block 9 are all made of alloy materials; a cylindrical glue homogenizing hole 21 is formed in the middle of the bottom end of the inner wall of the fixed mold insert 14, and the diameter of the glue homogenizing hole 21 is the same as that of the glue inlet hole 17 of the runner insert 16; the aperture of the positioning hole 8 is smaller than that of the mounting hole 3, and the aperture of the limiting hole 11 is larger than the outer diameter of the inclined guide post 6; a spiral water channel 22 is fixedly arranged on the surface of one end, located inside the spiral groove 15, of the runner insert 16, and a circulating cooling water channel is formed between the two diversion holes 18 and the spiral groove 15 inside the fixed mold insert 14 through the runner insert 16.
According to the working principle or the structural principle, oblique guide pillars 6 are fixedly arranged on the left side surface and the right side surface of a movable die core 1 through a mounting seat 4, C-shaped sliding blocks 9 are fixedly arranged on the left side surface and the right side surface of a fixed die core 2, a limiting plate 10 is fixedly arranged at one end, far away from the surface of the fixed die core 2, of each sliding block 9, two extrusion holes 13 are formed in the middle of the surface of the fixed die core 2, a fixed die insert 14 is movably arranged in each extrusion hole 13, a cylindrical spiral groove 15 is formed in the middle of the fixed die insert 14, a runner insert 16 is movably arranged in each spiral groove 15, a plurality of glue inlet holes 17 are formed in each runner insert 16, two oblique guide holes 18 are symmetrically formed in the outer side of each spiral groove 15 on the top surface of the fixed die insert 14, when the movable die core 1 is limited in a limiting hole 11 on the surface of the limiting plate 10 on the side surface of, and injecting the processing plastic into the die cavity 7 through a glue inlet 17 on the inner wall of the runner insert 16 and a glue homogenizing hole 21 at the bottom end of the inner wall of the fixed mold insert 14 in sequence, injecting cooling water into the spiral groove 15 through the flow guide hole 18 after glue injection operation is finished, and discharging the water in the spiral groove 15 out of the fixed mold insert 14 through the flow guide hole 18 at the other end under the action of a spiral water channel 22 on the surface of the runner insert 16, so that the purposes of shortening the molding period and ensuring the size stability of a product are achieved, and the working efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A front and rear mold reverse plastic mold structure comprises a movable mold core (1) and a fixed mold core (2), and is characterized in that a plurality of cylindrical mounting holes (3) are uniformly formed in the side surface of the movable mold core (1), a plurality of mounting seats (4) are fixedly arranged in the mounting holes (3) on the left and right side surfaces of the movable mold core (1) through connecting pieces, a plurality of supporting columns (5) are fixedly arranged on the bottom surface of each mounting seat (4), an inclined guide pillar (6) is fixedly arranged at one end of the middle part of the top surface of each mounting seat (4), 8-shaped mold grooves (7) are fixedly arranged in the middle part of the top surface of the movable mold core (1), cylindrical positioning holes (8) are respectively formed in the middle parts of the upper end and the lower end of each mold groove (7) on the top surface of the movable mold core (1), and the fixed mold core (2) is movably arranged above the movable, the left side surface and the right side surface of the fixed die core (2) are respectively fixedly provided with a C-shaped sliding block (9), one end, far away from the surface of the fixed die core (2), of each sliding block (9) is respectively and fixedly provided with a limiting plate (10), one end of the surface of each limiting plate (10) is provided with a slant cylindrical limiting hole (11), the top surface of the fixed die core (2) is provided with a plurality of cylindrical heat dissipation holes (12), the middle of the surface of the fixed die core (2) is symmetrically provided with two rectangular extrusion holes (13), the inside of each extrusion hole (13) is movably provided with a fixed die insert (14), the middle of each fixed die insert (14) is provided with a cylindrical spiral groove (15), the inside of each spiral groove (15) is movably provided with a runner insert (16), the inside of each runner insert (16) is provided with a plurality of glue inlet holes (17), and the outside of the spiral groove (15) on the top surface of The fixed mold insert (14) is of a two-section structure, the upper half part of the fixed mold insert (14) is an elliptic cylindrical limiting block (19), the lower half part of the fixed mold insert (14) is a regular quadrangular frustum-shaped extrusion block (20), a slide block (9) arranged on the side surface of the fixed mold core (2) is a half slide block, the fixed mold core (2), the movable mold core (1) and the slide block (9) are all made of alloy materials, a cylindrical glue homogenizing hole (21) is formed in the middle of the bottom end of the inner wall of the fixed mold insert (14), the glue homogenizing hole (21) is the same as a glue inlet hole (17) of a runner insert (16), the aperture of a positioning hole (8) is smaller than that of a mounting hole (3), the aperture of a limiting hole (11) is larger than the outer diameter of an inclined guide pillar (6), and a spiral water channel (22) is fixedly arranged on the surface of one end, positioned inside a spiral groove (, and a circulating cooling water channel is formed between the two diversion holes (18) and the spiral groove (15) in the fixed die insert (14) through the runner insert (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646676.6A CN108638449B (en) | 2018-06-21 | 2018-06-21 | Front and back reverse plastic mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810646676.6A CN108638449B (en) | 2018-06-21 | 2018-06-21 | Front and back reverse plastic mould structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108638449A CN108638449A (en) | 2018-10-12 |
| CN108638449B true CN108638449B (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810646676.6A Active CN108638449B (en) | 2018-06-21 | 2018-06-21 | Front and back reverse plastic mould structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108638449B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037035B (en) * | 2021-04-30 | 2022-02-18 | 江苏中关赛恩汽车电机研究院有限公司 | A frock for new energy automobile motor rotor encapsulating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203863951U (en) * | 2014-05-26 | 2014-10-08 | 牟维军 | Die structure using die joint bevel angle for locking slider |
-
2018
- 2018-06-21 CN CN201810646676.6A patent/CN108638449B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203863951U (en) * | 2014-05-26 | 2014-10-08 | 牟维军 | Die structure using die joint bevel angle for locking slider |
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| Publication number | Publication date |
|---|---|
| CN108638449A (en) | 2018-10-12 |
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Address after: No.70, Tingnan Road, Suzhou Industrial Park, Jiangsu Province 215000 Patentee after: Suzhou Delia New Material Technology Co.,Ltd. Address before: No.70, Tingnan Road, Suzhou Industrial Park, Jiangsu Province 215000 Patentee before: SUZHOU DORIA PLASTIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |