CN110789067A - Thermosetting plastic cold runner mold - Google Patents
Thermosetting plastic cold runner mold Download PDFInfo
- Publication number
- CN110789067A CN110789067A CN201911246016.XA CN201911246016A CN110789067A CN 110789067 A CN110789067 A CN 110789067A CN 201911246016 A CN201911246016 A CN 201911246016A CN 110789067 A CN110789067 A CN 110789067A
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- China
- Prior art keywords
- plate
- runner
- mold
- runner plate
- glue inlet
- 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.)
- Pending
Links
- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 40
- 239000000498 cooling water Substances 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material 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
- B29C45/2602—Mould construction elements
-
- 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
-
- 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
- B29C45/7306—Control circuits therefor
-
- 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
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a thermosetting plastic cold runner mold which comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are arranged in parallel, an upper runner plate is arranged at the bottom of the upper mold, a lower runner plate is arranged right below the upper runner plate, a runner is arranged at the position, close to the upper end, in the upper runner plate, an A plate is arranged on the surface of the upper end of the lower mold, a heat insulation plate is arranged between the upper end surface of the A plate and the lower runner plate, and a front mold core is arranged at the middle position in the lower mold and the A plate. This mould can prevent the thermosetting plastics solidification, has reduced the number of times of opening and tearing open mould and inspection, thereby improved production efficiency, can reduce the die cavity internal pressure, increase exhaust effect, and then improve the product shaping qualification rate, the problem that large-scale product shaping is highly not enough has been improved, increased and used the flexibility to the environment, can reduce the wearing and tearing between runner plate and the needle, and then reduce the hourglass material risk, the air of being convenient for circulates in the heat insulating board top, reaches the radiating effect.
Description
Technical Field
The invention relates to the field of dies, in particular to a thermosetting plastic cold runner die.
Background
In short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, and the processing of the shape of the article is realized mainly by changing the physical state of the molded material;
thermosetting plastics cold runner mould on market is easy to solidify at fashioned in-process thermosetting plastics, need regularly die sinking to inspect, reduces work efficiency, and exhaust effect is not good, and the shaping qualification rate is low, produces wearing and tearing easily between upper runner plate and the needle, leads to leaking the material, and the not good problem of radiating effect simultaneously, for this reason we provide a thermosetting plastics cold runner mould.
Disclosure of Invention
The invention aims to provide a thermosetting plastic cold runner mold, which solves the problems that thermosetting plastic in the market cold runner mold proposed in the background art is easy to cure in the molding process, the mold opening is required to be regularly performed for inspection, the working efficiency is reduced, the exhaust effect is poor, the molding yield is low, the upper runner plate and a valve needle are easy to wear, the material leakage is caused, and the heat dissipation effect is poor.
In order to achieve the purpose, the invention provides the following technical scheme: a thermosetting plastic cold runner mold comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are arranged in parallel, an upper runner plate is arranged at the bottom of the upper mold, a lower runner plate is arranged under the upper runner plate, a runner is arranged at the position, close to the upper end, inside the upper runner plate, an A plate is arranged on the surface of the upper end of the lower mold, a heat insulation plate is arranged between the upper end surface of the A plate and the lower runner plate, a front mold core is arranged at the middle position inside the lower mold and the A plate, a cavity is arranged at the position, close to the right end, inside the upper runner plate, the lower runner plate and the A plate, a valve needle is arranged at the position, close to the right end, penetrating through the upper runner plate, the lower runner plate and the inside of the A plate, a wear-resistant sleeve is arranged at the connecting position of the valve needle and the upper runner plate, a cooling water runner passage is arranged on the lower, and a glue inlet is formed in the center of the surface of the upper end of the cavity.
As a further scheme of the invention: a gap is reserved between the A plate and the lower runner plate, and the lower runner plate and the upper runner plate are arranged in parallel.
As a further scheme of the invention: the cooling water flow channel surrounds the lower flow channel plate and is arranged in a staggered mode with the glue inlet nozzles.
As a further scheme of the invention: the runner is communicated with the cavity through the glue inlet.
As a further scheme of the invention: a top column is arranged at the middle position penetrating through the inner part of the upper die, the bottom end of the top column is connected with a valve needle push plate, and the distance between the valve needle push plate and the upper die is 0-20 mm.
As a further scheme of the invention: the lower runner plate and the glue inlet nozzle are integrally installed, and the glue inlet nozzle is communicated with the runner.
Compared with the prior art, the invention has the beneficial effects that: the lower runner plate and the glue inlet are designed into a whole, the glue inlet is communicated with the runner, glue injection is facilitated, the cooling water runner is arranged around the lower runner plate and the glue inlet, cooling water is injected into the cooling water runner to achieve a good cooling effect, the temperature is controlled to be 42-45 ℃ through a temperature sensing line, thermosetting plastic is prevented from solidifying, the times of mold opening and mold checking are reduced, and therefore production efficiency is improved;
the distance between the valve needle push plate and the upper die is shortened from more than 50mm to 0-20mm, so that the pressure in a cavity can be reduced, the exhaust effect is improved, the product molding qualification rate is improved, the service life of the die is prolonged, the height of the die foot of the upper die is reduced, the total height of the die is reduced, the problem of insufficient molding height of a large-scale product is solved, the use flexibility to the environment is improved, and the operation is more convenient;
this mould is provided with wear-resisting cover through linking up the position at needle and last flow path board, can effectually reduce the wearing and tearing between last flow path board and the needle to improve the mould life-span, reduce the hourglass material risk, simultaneously through reserving the gap between A board and lower flow path board, can increase heat insulating board and air area of contact, the air of being convenient for circulates above the heat insulating board, thereby reaches the radiating effect.
Drawings
FIG. 1 is a diagram illustrating a molding process of the present invention;
FIG. 2 is a diagram of the glue injection state of the present invention.
In the figure: 1. an upper die; 2. a lower die; 3. an upper flow passage plate; 4. a lower flow field plate; 5. a, a plate; 6. a heat insulation plate; 7. a front mold core; 8. a flow channel; 10. a valve needle; 11. a wear-resistant sleeve; 12. a cooling water flow passage; 13. a glue inlet nozzle; 14. a cavity; 15. a temperature sensing line; 16. and a glue inlet.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a thermosetting plastic cold runner mold comprises an upper mold 1, a lower mold 2, an upper runner plate 3, a lower runner plate 4, an A plate 5, a heat insulation plate 6, a front mold core 7, a runner 8, a valve needle 10, a wear-resistant sleeve 11, a cooling water runner 12, a glue inlet nozzle 13, a cavity 14, a temperature sensing line 15 and a glue inlet 16, wherein the lower runner plate 4 is installed right below the upper runner plate 3, the runner 8 is arranged at a position close to the upper end inside the upper runner plate 3, the cooling water runner 12 is arranged on the lower runner plate 4 and the A plate 5, the glue inlet nozzle 13 is arranged on the right sides of the upper runner plate 3 and the lower runner plate 4, the temperature sensing line 15 is connected to the left end of the lower runner plate 4, the glue inlet 16 is arranged at the central position of the upper end surface of the cavity 14, the cooling water runner 12 is arranged around the lower runner plate 4 and the glue inlet nozzle 13 in a staggered manner, the lower runner plate 4 and the glue inlet nozzle 13 are installed into a whole, the glue inlet nozzle 13 is communicated with the runner 8, the lower runner 4, the glue inlet nozzle 13 is communicated with the runner 8, so that glue can be injected conveniently, meanwhile, the cooling water runner 12 is arranged around the lower runner plate 4 and the glue inlet 16, cooling water is injected into the cooling water runner 12, a good cooling effect is achieved, the temperature is controlled to be 42-45 ℃ through the temperature sensing line 15, thermosetting plastic is prevented from being solidified, the times of mold opening and inspection are reduced, and the production efficiency is improved;
the upper die 1 and the lower die 2 are arranged in parallel, the bottom of the upper die 1 is provided with an upper runner plate 3, the lower die 2 and an inner middle position of an A plate 5 are provided with a front die core 7, the inner part of the front die core 7 is close to the right end position and is provided with a cavity 14, a valve needle 10 is arranged through the upper runner plate 3, the lower runner plate 4 and the inner part of the A plate 5 and is close to the right end position, the lower runner plate 4 and the upper runner plate 3 are arranged in parallel, the middle position through the inner part of the upper die 1 is provided with a top column, the bottom end of the top column is connected with a valve needle push plate, the distance between the valve needle push plate and the upper die 1 ranges from 0mm to 20mm, the die can reduce the pressure in the cavity 14, increase the exhaust effect, further improve the product forming qualification rate, prolong the service life of the die, simultaneously reduce the height of a die foot of the upper die 1, the flexibility of using the environment is increased, and the operation is more convenient;
the surface mounting of 2 upper ends of lower mould has A board 5, be provided with heat insulating board 6 between A board 5 up end and the lower flow board 4, leave the gap between A board 5 and the lower flow board 4 in advance, needle 10 is provided with wear-resisting cover 11 with the position of joining of flow board 3, this mould is through being provided with wear-resisting cover 11 at the position of joining of needle 10 and the upper flow board 3, can effectually reduce the wearing and tearing between upper flow board 3 and the needle 10, thereby improve the mould life-span, reduce the hourglass material risk, simultaneously through reserving the gap between A board 5 and lower flow board 4, can increase heat insulating board 6 and air area of contact, be convenient for the air to circulate above heat insulating board 6, thereby reach the radiating effect.
The working principle is as follows: for the manual die cutting machine for the packing box, firstly, the bottom of the valve needle 10 is extracted from the glue inlet 16, a worker can utilize the glue injection machine to inject glue into the runner 8 through the glue inlet 13, wherein the lower runner plate 4 and the glue inlet 13 are designed into a whole, the glue inlet 13 is communicated with the runner 8, so that the glue can conveniently flow into the cavity 14, after the glue injection is finished, the valve needle 10 is inserted into the glue inlet 16 to stop injecting the glue, so that the raw material glue is formed in the cavity 14, wherein the cooling water runner 12 is arranged around the lower runner plate 4 and the glue inlet 16, a good cooling effect is achieved by injecting cooling water into the cooling water runner 12, the temperature is controlled between 42 and 45 ℃ through a temperature sensing line 15 (the type is MK-01), so as to prevent the solidification of the thermosetting plastic, reduce the times of die opening and inspection, thereby improving the production efficiency, secondly, the distance between the valve needle push plate and the upper die 1 is shortened from more than 50mm to 0 to 20mm, can reduce the pressure in die cavity 14, increase exhaust effect, and then improve the product shaping qualification rate, the mould life-span has been increased, reduce mould 1 die pin height on the while, the mould total height reduces, the problem that large-scale product shaping is not enough in height has been improved, it uses the flexibility to the environment to have increased, it is more convenient to operate, at last through being provided with wear-resisting cover 11 at needle 10 and 3 linking positions of last flow path board, can effectually reduce the wearing and tearing between flow path board 3 and the needle 10, thereby improve the mould life-span, reduce the hourglass material risk, simultaneously through reserving the gap between A board 5 and lower flow path board 4, can increase heat insulating board 6 and air area of contact, the air of being convenient for circulates above heat insulating board 6, thereby reach the radiating effect.
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 (6)
1. The utility model provides a thermosetting plastic cold runner mould, includes mould (1) and lower mould (2), go up mould (1) and lower mould (2) parallel arrangement, its characterized in that: the improved structure is characterized in that an upper runner plate (3) is installed at the bottom of the upper die (1), a lower runner plate (4) is installed under the upper runner plate (3), a runner (8) is arranged at the position close to the upper end inside the upper runner plate (3), an A plate (5) is installed on the surface of the upper end of the lower die (2), a heat insulation plate (6) is arranged between the upper end face of the A plate (5) and the lower runner plate (4), a front die core (7) is arranged at the middle position inside the lower die (2) and the A plate (5), a cavity (14) is arranged at the position close to the right end inside the front die core (7), a valve needle (10) is arranged at the position close to the right end inside the upper runner plate (3), a wear-resistant sleeve (11) is arranged at the position where the valve needle (10) is connected with the upper runner plate (3), and a cooling water runner (12) is arranged on the lower runner plate (4) and the A plate, the right sides of the upper runner plate (3) and the lower runner plate (4) are provided with a glue inlet nozzle (13), the left end of the lower runner plate (4) is connected with a temperature sensing line (15), and the center of the surface of the upper end of the cavity (14) is provided with a glue inlet (16).
2. The cold runner mold for thermosetting plastics as claimed in claim 1, wherein: a gap is reserved between the A plate (5) and the lower runner plate (4), and the lower runner plate (4) and the upper runner plate (3) are arranged in parallel.
3. The cold runner mold for thermosetting plastics as claimed in claim 1, wherein: the cooling water flow channels (12) are arranged around the lower flow channel plate (4) and staggered with the glue inlet nozzles (13).
4. The cold runner mold for thermosetting plastics as claimed in claim 1, wherein: the runner (8) is communicated with the cavity (14) through a glue inlet (16).
5. The cold runner mold for thermosetting plastics as claimed in claim 1, wherein: a top column is arranged at the middle position penetrating through the inner part of the upper die (1), the bottom end of the top column is connected with a valve needle push plate, and the distance between the valve needle push plate and the upper die (1) ranges from 0mm to 20 mm.
6. The cold runner mold for thermosetting plastics as claimed in claim 1, wherein: the lower runner plate (4) and the glue inlet nozzle (13) are installed into a whole, and the glue inlet nozzle (13) is communicated with the runner (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246016.XA CN110789067A (en) | 2019-12-07 | 2019-12-07 | Thermosetting plastic cold runner mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246016.XA CN110789067A (en) | 2019-12-07 | 2019-12-07 | Thermosetting plastic cold runner mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110789067A true CN110789067A (en) | 2020-02-14 |
Family
ID=69447943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911246016.XA Pending CN110789067A (en) | 2019-12-07 | 2019-12-07 | Thermosetting plastic cold runner mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110789067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677412A (en) * | 2020-11-17 | 2021-04-20 | 威灵（芜湖）电机制造有限公司 | Cold runner diverging device and cold runner mould |
-
2019
- 2019-12-07 CN CN201911246016.XA patent/CN110789067A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677412A (en) * | 2020-11-17 | 2021-04-20 | 威灵（芜湖）电机制造有限公司 | Cold runner diverging device and cold runner mould |
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