CN104369312B - External oil cylinder adding pressure type injection molding machine - Google Patents
External oil cylinder adding pressure type injection molding machine Download PDFInfo
- Publication number
- CN104369312B CN104369312B CN201410513665.2A CN201410513665A CN104369312B CN 104369312 B CN104369312 B CN 104369312B CN 201410513665 A CN201410513665 A CN 201410513665A CN 104369312 B CN104369312 B CN 104369312B
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- CN
- China
- Prior art keywords
- flow path
- hot flow
- cylinder
- injection molding
- material stock
- 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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Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000007514 turning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
Abstract
The present invention refers in particular to a kind of external oil cylinder adding pressure type injection molding machine, belong to injection-moulding device technical field, including hot flow path and runner, runner one end is connected to hot flow path, the other end is connected to the sprue gate of mold, and material stock cylinder is provided in the middle part of the runner, is provided with heating device on the outer wall of the material stock cylinder, the inner cavity of the material stock cylinder is provided with charging ram, and the end of the charging ram is provided with power device.It is difficult to molding product for being difficult to pressure maintaining, can easily be solved by the present apparatus, avoids that 50% or more cost can be reduced using prohibitively expensive hot flow path；By secondary extrusion, the stability of injection molding and the quality of formed product are improved, the service life of hot flow path is improved, maintenance cost is reduced, this structure can be placed on the region of desired pressurization, can be very good to control its range, it can guarantee mould strength, and can control mould-forming process.
Description
Technical field
The invention belongs to injection mould technical fields, and materials can be sufficiently expressed to setting in mold when being related to a kind of injection molding
It is standby, refer in particular to a kind of external oil cylinder adding pressure type injection molding machine.
Background technique
It is full to guarantee that product can be filled up completely for Injection Mold Formation technique at present, and guarantees product department's deformation, main implementation
For injection molding machine pressure holding function (pressurized needs to pressurize again by hot-runner pin valve type), injection molding machine Needle with pressure-increasing means is to entire mould
The pressurization of tool, injection molding plus pressurization function seriously affect die life, and pressurization is the pressurization of the entire product of face, causes the later period
The shrinkage of product cannot be uniform, can not effectively control.The device for comparing core in injection molding apparatus is exactly hot-fluid
Road, materials first pass through hot flow path and are melted, is then injected into mold before entering mold, the hot flow path of opaque products
Cost is quite high, and technical requirements are also relatively very high, single price generally will 60,000 RMB, and the system of hot flow path is not
Enough to stablize, materials are heated in hot flow path and are difficult to control, and be easy to cause uneven heating even, and for being difficult to pressure maintaining, molding is relatively more tired
Difficult product, simply uses hot flow path and is molded, and molding is difficult to be guaranteed；The hot flow path for additionally needing pressure maintaining easily damages
It is bad, it needs often to repair and maintain, and maintenance difficulty is big, it is at high cost.
Summary of the invention
The object of the present invention is to provide a kind of low cost, stability is high, forms readily external oil cylinder adding pressure type injection molding machine.
The object of the present invention is achieved like this：External oil cylinder adding pressure type injection molding machine, including hot flow path and runner, runner one
End is connected to hot flow path, and the other end is connected to the sprue gate of mold, wherein material stock cylinder is provided in the middle part of the runner, it is described
Be provided with heating device on the outer wall of material stock cylinder, by hot flow path heat materials be not be directly injected into mold, and
It is to be introduced into material stock cylinder to carry out secondary pressure maintaining heating, the inner cavity of the material stock cylinder is provided with charging ram, the end of the charging ram
End is provided with power device, and under the driving of power device, charging ram completes note in the materials injection mold in material stock cylinder
Modeling.
External oil cylinder adding pressure type injection molding machine according to the above, wherein the power device is hydraulic cylinder, on the hydraulic cylinder
Piston-rod end be provided with transmission device, piston rod is connect with hydraulic cylinder, realize and move back and forth, without drive gap, operation
Steadily.
External oil cylinder adding pressure type injection molding machine according to the above, wherein the transmission device includes pedestal and sliding block, and the two
Can opposite sliding, the pedestal connect with the piston rod, and the sliding block is connect with the charging ram, the piston rod with it is described
Charging ram is mutually perpendicular to.
External oil cylinder adding pressure type injection molding machine according to the above, wherein the base interior is provided with two raised sliding rails,
The sliding rail is obliquely installed, and the angle formed with horizontal plane is between 30 °~60 °；It is provided on the sliding block and the sliding rail
The sliding slot matched is changed direction of transfer, makes hydraulic cylinder by the opposite sliding of pedestal and sliding block while transmitting power
Power be transported in the form of 90 ° of turnings on the material stock cylinder.
External oil cylinder adding pressure type injection molding machine according to the above, wherein the inner cavity of the hot flow path is provided with valve rod, the heat
The top of runner is provided with the cylinder for driving the valve rod to move up and down, and the discharge port of the hot flow path is tapered, the discharging
The bore of mouth end is identical as the diameter of the valve rod, when carrying out secondary extrusion, seals going out for the hot flow path by valve rod
Material mouth prevents materials from flowing back into the hot flow path.
External oil cylinder adding pressure type injection molding machine according to the above, wherein the heating device be heater strip, the heater strip around
On the outer wall of the material stock cylinder, the materials in material stock cylinder are heated evenly, liquid is remained.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：It is difficult to molding product for being difficult to pressure maintaining,
It can easily be solved by the present apparatus, avoid that 50% or more cost can be reduced using prohibitively expensive hot flow path；By secondary
It squeezes, improves the stability of injection molding and the quality of formed product, improve the service life of hot flow path, reduce maintenance cost；This knot
Structure can be placed on the region of desired pressurization, can be very good to control its range, that is, can guarantee mould strength, and can control mould
Has moulding process；In addition, injection molding machine pressurization function is converted to mould pressurizing, the performance requirement to injection molding machine is reduced.
Detailed description of the invention
Fig. 1 is schematic front view of the invention；
Fig. 2 is the schematic cross-sectional view in Fig. 1 at C-C；
Fig. 3 is schematic perspective view of the invention；
Fig. 4 is the partial enlargement diagram in Fig. 3；
In figure：10- hot flow path, 11- runner, 12- material stock cylinder, 13- heater strip, 14- charging ram, 15- sliding block, 16- pedestal,
17- hydraulic cylinder, 18- piston rod, 19- cylinder, 20- valve rod, 21- discharge port, 22- sliding rail, 23- sliding slot.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1-4：External oil cylinder pressurization
Formula injection molding machine, including hot flow path 10 and runner 11,11 one end of runner are connected to hot flow path 10, and the sprue gate of the other end and mold connects
It is logical, wherein the middle part of the runner 11 is provided with material stock cylinder 12, is provided with heating device on the outer wall of the material stock cylinder 12, institute
Stating heating device is heater strip 13, and the heater strip 13 is wound on the outer wall of the material stock cylinder 12, makes the materials in material stock cylinder 12
It is heated evenly, remains liquid.It is not directly injected into mold instead of, is introduced by the materials that hot flow path 10 heats
Secondary pressure maintaining heating is carried out in material stock cylinder 12, the inner cavity of the material stock cylinder 12 is provided with charging ram 14, the end of the charging ram 14
End is provided with power device, and the power device is hydraulic cylinder 17, and under the driving of power device, charging ram 14 is by material stock cylinder 12
In interior materials injection mold, injection molding is completed.The inner cavity of the hot flow path 10 is provided with valve rod 20, the top of the hot flow path 10
It is provided with the cylinder 19 for driving the valve rod 20 to move up and down, the discharge port 21 of the hot flow path 10 is tapered, the discharge port
The bore of 21 ends is identical as the diameter of the valve rod 20, and when carrying out secondary extrusion, 19 driving stem 20 of cylinder is moved down, and seals
The discharge port 21 of the hot flow path 10 prevents materials from flowing back into the hot flow path 10.By the conversion of extruding, with hydraulic cylinder 17
The strong impetus of offer injects materials in mold, improves the quality of formed product, while reducing the damage to hot flow path 10
Evil, prolongs the service life.
Specifically, 18 end of piston rod on the hydraulic cylinder 17 is provided with transmission device, piston rod 18 and hydraulic cylinder 17
Connection is realized and is moved back and forth, without drive gap, runs smoothly.The transmission device includes pedestal 16 and sliding block 15, and the two
It opposite can slide, the pedestal 16 is connect with the piston rod 18, and the sliding block 15 is connect with the charging ram 14, the piston
Bar 18 is mutually perpendicular to the charging ram 14.The pedestal 16 is internally provided with two raised sliding rails 22, and the sliding rail 22 inclines
Tiltedly setting, 45 ° of angle formed with horizontal plane, when this angle can guarantee that pedestal 16 and sliding block 15 slide relatively, by horizontal direction
Power be converted into the power on vertical direction, guarantee that power is in 90 ° in commutation；It is provided on the sliding block 15 and 22 phase of sliding rail
The sliding slot 23 of cooperation is changed direction of transfer, makes liquid by the opposite sliding of pedestal 16 and sliding block 15 while transmitting power
The power of cylinder pressure 17 is transported on the material stock cylinder 12 in the form of 90 ° of turnings, can reduce the occupied space of device vertical direction.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (3)
1. external oil cylinder adding pressure type injection molding machine, including hot flow path and runner, runner one end are connected to hot flow path, the other end and mold
Sprue gate connection, it is characterised in that：It is provided with material stock cylinder in the middle part of the runner, is provided with and adds on the outer wall of the material stock cylinder
Thermal, the inner cavity of the material stock cylinder are provided with charging ram, and the end of the charging ram is provided with power device；The power dress
It is set to hydraulic cylinder, the piston-rod end on the hydraulic cylinder is provided with transmission device；The transmission device includes pedestal and sliding block,
And the two opposite can be slided, the pedestal is connect with the piston rod, and the sliding block is connect with the charging ram；In the pedestal
Portion is provided with two raised sliding rails, and the sliding rail is obliquely installed, and the angle formed with horizontal plane is between 30 °~60 °；It is described
The sliding slot matched with the sliding rail is provided on sliding block.
2. external oil cylinder adding pressure type injection molding machine according to claim 1, it is characterised in that：The inner cavity of the hot flow path is arranged
There is valve rod, the top of the hot flow path is provided with the cylinder for driving the valve rod to move up and down, and the discharge port of the hot flow path is in
The bore of taper, the discharge port end is identical as the diameter of the valve rod.
3. external oil cylinder adding pressure type injection molding machine according to claim 1, it is characterised in that：The heating device is heating
Silk, the heater strip are wound on the outer wall of the material stock cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410513665.2A CN104369312B (en) | 2014-09-29 | 2014-09-29 | External oil cylinder adding pressure type injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410513665.2A CN104369312B (en) | 2014-09-29 | 2014-09-29 | External oil cylinder adding pressure type injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104369312A CN104369312A (en) | 2015-02-25 |
| CN104369312B true CN104369312B (en) | 2018-11-16 |
Family
ID=52548634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410513665.2A Active CN104369312B (en) | 2014-09-29 | 2014-09-29 | External oil cylinder adding pressure type injection molding machine |
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| Country | Link |
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| CN (1) | CN104369312B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415617A (en) * | 2015-12-09 | 2016-03-23 | 镇江亿清复合材料有限公司 | Injection molding equipment used for resin material forming |
| CN115056427B (en) * | 2021-08-30 | 2024-01-30 | 日照日出健身器材有限公司 | Pressure injection type dumbbell rubber encapsulation mould |
| WO2023092247A1 (en) * | 2021-11-23 | 2023-06-01 | 朱建伟 | Pressurization-type injection molding machine having external oil cylinder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268071Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Hydraulic-mechanical linking loose core mechanism for plastic mold |
| CN104029357A (en) * | 2014-06-16 | 2014-09-10 | 邵银昌 | Injection molding system with vast injection volume |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4107780B2 (en) * | 2000-01-26 | 2008-06-25 | 三菱重工プラスチックテクノロジー株式会社 | Injection molding method |
| CN102689426A (en) * | 2012-06-12 | 2012-09-26 | 深圳市精控机电有限公司 | Cylinder valve needle type cold runner injection molding system |
| CN204196116U (en) * | 2014-09-29 | 2015-03-11 | 朱建伟 | External oil cylinder adding pressure type injection machine |
-
2014
- 2014-09-29 CN CN201410513665.2A patent/CN104369312B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268071Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Hydraulic-mechanical linking loose core mechanism for plastic mold |
| CN104029357A (en) * | 2014-06-16 | 2014-09-10 | 邵银昌 | Injection molding system with vast injection volume |
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| Publication number | Publication date |
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| CN104369312A (en) | 2015-02-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190202 Address after: 318020 No. 16 Qingfeng Avenue, Huangyan Beicheng Development Zone, Taizhou City, Zhejiang Province Patentee after: TAIZHOU DIANJING MOULD Co.,Ltd. Address before: 318028 Lancun 105, Chengjiang Street, Huangyan District, Taizhou City, Zhejiang Province Co-patentee before: Shi Weiping Patentee before: Zhu Jianwei |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 318020 No. 105, shikuang'ao village, Chengjiang street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Zhu Jianwei Address before: 318020 No. 16 Qingfeng Avenue, Huangyan Beicheng Development Zone, Taizhou City, Zhejiang Province Patentee before: TAIZHOU DIANJING MOULD Co.,Ltd. |
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Effective date of registration: 20240218 Address after: 318020 Chaoyuan Road, Xinqian Development Zone, Huangyan District, Taizhou City, Zhejiang Province Patentee after: TAIZHOU DIANJING MOULD Co.,Ltd. Country or region after: China Address before: 318020 No. 105, shikuang'ao village, Chengjiang street, Huangyan District, Taizhou City, Zhejiang Province Patentee before: Zhu Jianwei Country or region before: China |