CN113681833A - Forming injection mold and injection molding method thereof - Google Patents
Forming injection mold and injection molding method thereof Download PDFInfo
- Publication number
- CN113681833A CN113681833A CN202110982747.1A CN202110982747A CN113681833A CN 113681833 A CN113681833 A CN 113681833A CN 202110982747 A CN202110982747 A CN 202110982747A CN 113681833 A CN113681833 A CN 113681833A
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- Prior art keywords
- injection molding
- mold
- injection
- hole
- plate
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- 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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- 238000001746 injection moulding Methods 0.000 title claims abstract description 91
- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000012778 molding material Substances 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
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
- 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
- B29C45/332—Mountings or guides therefor; Drives 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
- B29C45/40—Removing or ejecting moulded articles
Abstract
The invention discloses a forming injection mold and an injection molding method thereof, wherein the forming injection mold comprises an injection molding plate, an upper mold arranged below the injection molding plate, and a lower mold arranged below the upper mold; a bottom plate disposed at the lower mold; the driving assembly is arranged at the matching position of the injection molding plate and the upper mold; and then by placing the injection molded plate on the upper mold; the injection molding part and the mold clamping part are combined, so that the blockage of a nozzle opening caused by the long-time retention of injection molding liquid is reduced; meanwhile, a vertical molding injection molding processing mode is adopted, so that molds of different specifications can receive uniform injection molding liquid; the uneven distribution of injection molding liquid in the mold groove during transverse processing is avoided, the limiting pin jacks up the injection mold plate, meanwhile, the spring is utilized to automatically demold the forming mold, in addition, according to the driving assembly, the material pushing speed and the distance of the demolded mold are set, and the damage of different injection molding materials is avoided.
Description
Technical Field
The invention relates to an injection molding device, in particular to a forming injection mold and an injection molding method thereof.
Background
Injection molding, also known as injection molding, is a molding method that is injection and molding; stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product.
However, the existing molding injection molding has some problems, and the existing molding injection molding mostly needs the operations of injection molding and mold taking; preparing for next injection molding; however, most of the existing molding and injection molding adopt a separated mode, and an injection molding part and a mold closing part are separated to realize independent operation; in the actual production process, the cooling of liquid is accelerated by increasing the paths of the injection molding part and the die clamping part; the mouth-touching opening can be blocked; thereby causing the incomplete finished injection mold product; the traditional injection molding adopts a transverse mode, so that the uniform distribution of liquid in each mold cavity cannot be ensured when small parts are manufactured; in addition, the conventional pushing needs to be performed on the same side, thereby limiting the operating range.
Disclosure of Invention
The purpose of the invention is as follows: provides a molding injection mold to solve the above problems in the prior art.
The technical scheme is as follows: a molding injection mold comprising:
the injection molding plate is arranged on the upper die below the injection molding plate, and the lower die is arranged below the upper die; a bottom plate disposed at the lower mold; the driving assembly is arranged at the matching position of the injection molding plate and the upper mold;
the injection template comprises an injection hole arranged in the middle of the injection template; the nozzle opening is arranged below the liquid injection hole; and through holes arranged at two sides of the nozzle opening;
the upper die comprises limiting pins and limiting holes which are arranged on two sides of the upper die;
the lower die comprises a spring and a spring bracket which are arranged on the inner side of the lower die;
the bottom plate comprises a first fixing block and a second fixing block which are arranged on two sides of the lower die;
the driving assembly comprises an upper bracket arranged at the matching part of the injection molding plate and the upper mold and a lower bracket arranged below the upper bracket; the first motor and the second motor are arranged below the lower support.
In a further embodiment, the injection molding plate, the upper mold and the lower mold are fixed by a stopper pin; the limiting pin can move up and down; avoid the mould to mould plastics and appear offset.
In a further embodiment, the nozzle is flared; the nozzle and the liquid injection hole are positioned on the same axis; the through hole is positioned below two sides of the nozzle; thereby evenly distributing the flow direction of the injection liquid.
In a further embodiment, the limiting pin is arranged in the middle of the limiting hole, penetrates through the lower die and the upper die and is embedded into the injection molding plate; the injection mold plate is lift-controlled while the mold position is restricted.
In a further embodiment, the springs are positioned on two sides of the middle part of the lower die, and a plurality of groups of springs are arranged; the spring is sleeved with the spring support; the spring support penetrates through the upper die; so that the upper die can move under the action of the spring.
In a further embodiment, the lower die is also provided with a cylindrical hole; the cylindrical hole is positioned in the middle of the lower die.
In a further embodiment, the first fixing block and the second fixing block are respectively in threaded connection with the bottom plate; the first fixing block and the second fixing block are fixed with the lower die through pin shafts; the pin shaft penetrates through the upper die, the lower die and the bottom plate.
In a further embodiment, the upper and lower brackets are slidably connected; the upper bracket and the lower bracket are embedded into the matching part of the injection molding plate and the upper mold; the lower bracket is in threaded connection with the first motor and the second motor; the extension gears of the first motor and the second motor are meshed with the upper bracket; and the distance limitation caused by the operation of the cylinder is avoided.
In a further embodiment, the driving assembly is further provided with a demolding bracket; the demolding support comprises an upper demolding plate arranged at the matching position of the injection molding plate and the upper mold; the lower discharging template is arranged below the upper discharging template; a first rectangular through hole and a second rectangular through hole are formed at the matching part of the upper die plate and the lower die plate; the first rectangular through hole and the second rectangular through hole are parallel to each other; waste and finished products are prevented from being output from the through hole on one side.
An injection molding method of forming an injection mold, comprising:
s1: when injection molding is required, pouring required pouring liquid into the mold through the liquid injection hole; the nozzle opening uniformly sprays the poured liquid to the through hole, and the through hole enables a model groove formed by the upper die and the lower die to obtain uniform liquid; after liquid cooling, the limiting pin jacks up the injection molding plate along the limiting groove, the injection molding plate is separated from the upper mold for a certain distance, and when the injection molding plate loses pressure, the spring pushes out the injection molding mold along the spring support, so that the injection molding demolding is realized; after demolding is finished, the first motor and the second motor are driven to drive the upper support to slide along the lower support, at the moment, the upper support applies pressure to the demolded mold, and the demolding path of the mold is guided through the second rectangular through hole of the demolding support; and (4) dropping the finished product die through the first rectangular through hole, and removing burrs of the finished product die through the second rectangular through hole.
Has the advantages that: the invention discloses a molding injection mold and an injection molding method thereof, wherein an injection molding plate is arranged on an upper mold; the injection molding part and the mold clamping part are combined, so that the blockage of a nozzle opening caused by the long-time retention of injection molding liquid is reduced; directly injecting injection molding liquid into a mold cavity formed by an upper mold and a lower mold; meanwhile, a vertical molding injection molding processing mode is adopted, so that molds of different specifications can receive uniform injection molding liquid; uneven distribution of injection molding liquid in a mold groove during transverse processing and incomplete processing of small parts are avoided; the injection molding plate is jacked up by the limiting pin, and meanwhile, the forming die is automatically demoulded by the spring, so that secondary operation is reduced; in addition, according to a motor in the driving assembly, the material pushing speed and the distance of the demoulded mould are set, so that the damage of different injection molding materials is avoided; then the finished product mold is output through the other side of the motor; the operation of pushing and discharging materials at the same side is avoided.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a right sectional view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a front view of the present invention.
The reference signs are: the injection molding machine comprises an injection molding plate 1, an upper mold 2, a lower mold 3, a bottom plate 4, a driving assembly 5, an injection hole 11, a nozzle opening 12, a through hole 13, a limiting pin 21, a limiting groove 22, a spring 31, a spring support 32, a second fixing block 41, a first fixing block 42, a first motor 51, a pin shaft 100 and a mold stripping support 110.
Detailed Description
A molding injection mold comprising: the injection molding machine comprises an injection molding plate 1, an upper mold 2, a lower mold 3, a bottom plate 4, a driving assembly 5, an injection hole 11, a nozzle opening 12, a through hole 13, a limiting pin 21, a limiting groove 22, a spring 31, a spring support 32, a second fixing block 41, a first fixing block 42, a first motor 51, a pin shaft 100 and a mold stripping support 110.
The injection molding machine comprises an injection molding plate 1, an upper mold 2 arranged below the injection molding plate 1, and a lower mold 3 arranged below the upper mold 2; a bottom plate 4 provided on the lower mold 3; and a driving component 5 arranged at the matching position of the injection molding plate 1 and the upper mold 2; the injection molding plate 1, the upper mold 2 and the lower mold 3 are fixed through a limiting pin 21; and the limit pin 21 can move up and down; avoid the mould to mould plastics and appear offset.
The injection template 1 comprises an injection hole 11 arranged in the middle of the injection template 1; a nozzle opening 12 arranged below the liquid injection hole 11; and through holes 13 provided at both sides of the nozzle opening 12; the nozzle is in a bell mouth shape; and the nozzle and the liquid injection hole 11 are positioned on the same axis; the through holes 13 are positioned below two sides of the nozzle; thereby evenly distributing the flow direction of the injection liquid.
The upper die 2 comprises limiting pins 21 and limiting holes which are arranged on two sides of the upper die 2; the limiting pin 21 is arranged in the middle of the limiting hole, and the limiting pin 21 penetrates through the lower die 3 and the upper die 2 and is embedded into the injection molding plate 1; the injection mold plate 1 is subjected to lift control while the mold position is restricted.
The lower die 3 comprises a spring 31 and a spring support 32 which are arranged on the inner side of the lower die 3; the springs 31 are positioned on two sides of the middle part of the lower die 3, and a plurality of groups of the springs 31 are arranged; the spring 31 is sleeved with the spring bracket 32; the spring support 32 passes through the upper die 2; so that the upper die 2 can move under the action of the spring 31; the lower die 3 is also provided with a cylindrical hole; the cylindrical hole is positioned in the middle of the lower die 3.
The bottom plate 4 comprises a first fixing block 42 and a second fixing block 41 which are arranged at two sides of the lower die 3; the first fixing block 42 and the second fixing block 41 are respectively in threaded connection with the bottom plate 4; the first fixing block 42 and the second fixing block 41 are fixed to the lower die 3 by a pin 100; the pin 100 penetrates through the upper mold 2, the lower mold 3 and the bottom plate 4.
The driving assembly 5 comprises an upper bracket arranged at the matching part of the injection molding plate 1 and the upper mold 2 and a lower bracket arranged below the upper bracket; a first motor 51 and a second motor disposed below the lower bracket; the upper bracket is connected with the lower bracket in a sliding way; the upper support and the lower support are embedded into the matching part of the injection molding plate 1 and the upper mold 2; the lower bracket is in threaded connection with the first motor 51 and the second motor; the extension gears of the first motor 51 and the second motor are engaged with the upper bracket; the distance limitation caused by the operation of the cylinder is avoided; the driving component 5 is also provided with a mold stripping bracket 110; the demolding support 110 comprises an upper demolding plate arranged at the matching position of the injection molding plate 1 and the upper mold 2; the lower discharging template is arranged below the upper discharging template; a first rectangular through hole 13 and a second rectangular through hole 13 are formed at the matching part of the upper die plate and the lower die plate; the first rectangular through hole 13 and the second rectangular through hole 13 are parallel to each other; the output of waste and finished products from the through hole 13 on one side is avoided.
Description of the working principle: when injection molding is required, firstly, pouring required pouring liquid through the liquid injection hole 11; the nozzle opening 12 uniformly sprays the poured liquid to the through hole 13, and the through hole 13 enables a model groove formed by the upper die 2 and the lower die 3 to obtain uniform liquid; then after liquid cooling, the limiting pin 21 jacks up the injection molding plate 1 along the limiting groove 22, the injection molding plate 1 is separated from the upper mold 2 for a certain distance, and when the injection molding plate 1 loses pressure, the spring 31 jacks up the mold formed by injection molding along the spring support 32, so that the demolding of the injection molding is realized; after demolding, the first motor 51 and the second motor are driven to drive the upper support to slide along the lower support, at the moment, the upper support applies pressure to the demolded mold, and the demolding path of the mold is guided through the second rectangular through hole 13 of the demolding support 110; the finished product mold falls through the first rectangular through hole 13, and burrs of the finished product mold are removed through the second rectangular through hole.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (10)
1. A kind of shaping injection mold, characterized by, comprising:
the injection molding plate is arranged on the upper die below the injection molding plate, and the lower die is arranged below the upper die; a bottom plate disposed at the lower mold; the driving assembly is arranged at the matching position of the injection molding plate and the upper mold;
the injection template comprises an injection hole arranged in the middle of the injection template; the nozzle opening is arranged below the liquid injection hole; and through holes arranged at two sides of the nozzle opening;
the upper die comprises limiting pins and limiting holes which are arranged on two sides of the upper die;
the lower die comprises a spring and a spring bracket which are arranged on the inner side of the lower die;
the bottom plate comprises a first fixing block and a second fixing block which are arranged on two sides of the lower die;
the driving assembly comprises an upper bracket arranged at the matching part of the injection molding plate and the upper mold and a lower bracket arranged below the upper bracket; the first motor and the second motor are arranged below the lower support.
2. The injection molding mold of claim 1, wherein: the injection molding plate, the upper mold and the lower mold are fixed through limiting pins; and the limit pin moves up and down.
3. The injection molding mold of claim 1, wherein: the nozzle is in a bell mouth shape; the nozzle and the liquid injection hole are positioned on the same axis; the through holes are positioned below two sides of the nozzle.
4. The injection molding mold of claim 1, wherein: the limiting pin is arranged in the middle of the limiting hole, penetrates through the lower die and the upper die and is embedded into the injection molding plate.
5. The injection molding mold of claim 1, wherein: the springs are positioned on two sides of the middle part of the lower die and are provided with a plurality of groups; the spring is sleeved with the spring support; the spring support passes through the upper die.
6. The injection molding mold of claim 1, wherein: the lower die is also provided with a cylindrical hole; the cylindrical hole is positioned in the middle of the lower die.
7. The injection molding mold of claim 1, wherein: the first fixing block and the second fixing block are respectively in threaded connection with the bottom plate; the first fixing block and the second fixing block are fixed with the lower die through pin shafts; the pin shaft penetrates through the upper die, the lower die and the bottom plate.
8. The injection molding mold of claim 1, wherein: the upper bracket is connected with the lower bracket in a sliding way; the upper bracket and the lower bracket are embedded into the matching part of the injection molding plate and the upper mold; the lower bracket is in threaded connection with the first motor and the second motor; the extension gears of the first motor and the second motor are engaged with the upper bracket.
9. The injection molding mold of claim 1, wherein: the driving assembly is also provided with a mold stripping bracket; the demolding support comprises an upper demolding plate arranged at the matching position of the injection molding plate and the upper mold; the lower discharging template is arranged below the upper discharging template; a first rectangular through hole and a second rectangular through hole are formed at the matching part of the upper die plate and the lower die plate; the first rectangular through hole and the second rectangular through hole are parallel to each other.
10. An injection molding method for forming an injection mold, comprising:
s1: when injection molding is required, pouring required pouring liquid into the mold through the liquid injection hole; the nozzle opening uniformly sprays the poured liquid to the through hole, and the through hole enables a model groove formed by the upper die and the lower die to obtain uniform liquid; after liquid cooling, the limiting pin jacks up the injection molding plate along the limiting groove, the injection molding plate is separated from the upper mold for a certain distance, and when the injection molding plate loses pressure, the spring pushes out the injection molding mold along the spring support, so that the injection molding demolding is realized; after demolding is finished, the first motor and the second motor are driven to drive the upper support to slide along the lower support, at the moment, the upper support applies pressure to the demolded mold, and the demolding path of the mold is guided through the second rectangular through hole of the demolding support; and (4) dropping the finished product die through the first rectangular through hole, and removing burrs of the finished product die through the second rectangular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982747.1A CN113681833A (en) | 2021-08-25 | 2021-08-25 | Forming injection mold and injection molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982747.1A CN113681833A (en) | 2021-08-25 | 2021-08-25 | Forming injection mold and injection molding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113681833A true CN113681833A (en) | 2021-11-23 |
Family
ID=78582540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110982747.1A Pending CN113681833A (en) | 2021-08-25 | 2021-08-25 | Forming injection mold and injection molding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113681833A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009214438A (en) * | 2008-03-11 | 2009-09-24 | Seiko Epson Corp | Injection moulding apparatus and method for molding injection-molded article |
| CN106827422A (en) * | 2016-12-12 | 2017-06-13 | 浙江番汽车配件科技有限公司 | Wire harness sealing shroud stripping manipulator and the production equipment with the manipulator |
| CN109435180A (en) * | 2018-12-21 | 2019-03-08 | 青岛鑫汉洋模塑有限公司 | A kind of hollow grid product one-pass molding automatic stripping die |
| CN211279520U (en) * | 2019-10-08 | 2020-08-18 | 江西省晶众特实业有限公司 | Injection mold for industrial production |
| CN113001890A (en) * | 2019-12-20 | 2021-06-22 | 天津平高智能电气有限公司 | Pipe fitting injection mold and pipe fitting injection mold are with drawing of patterns auxiliary fixtures |
-
2021
- 2021-08-25 CN CN202110982747.1A patent/CN113681833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009214438A (en) * | 2008-03-11 | 2009-09-24 | Seiko Epson Corp | Injection moulding apparatus and method for molding injection-molded article |
| CN106827422A (en) * | 2016-12-12 | 2017-06-13 | 浙江番汽车配件科技有限公司 | Wire harness sealing shroud stripping manipulator and the production equipment with the manipulator |
| CN109435180A (en) * | 2018-12-21 | 2019-03-08 | 青岛鑫汉洋模塑有限公司 | A kind of hollow grid product one-pass molding automatic stripping die |
| CN211279520U (en) * | 2019-10-08 | 2020-08-18 | 江西省晶众特实业有限公司 | Injection mold for industrial production |
| CN113001890A (en) * | 2019-12-20 | 2021-06-22 | 天津平高智能电气有限公司 | Pipe fitting injection mold and pipe fitting injection mold are with drawing of patterns auxiliary fixtures |
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| PB01 | Publication | ||
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Application publication date: 20211123 |