CN105881843A - High-pressure nitrogen in-die hot-cutting die - Google Patents
High-pressure nitrogen in-die hot-cutting die Download PDFInfo
- Publication number
- CN105881843A CN105881843A CN201610420807.XA CN201610420807A CN105881843A CN 105881843 A CN105881843 A CN 105881843A CN 201610420807 A CN201610420807 A CN 201610420807A CN 105881843 A CN105881843 A CN 105881843A
- Authority
- CN
- China
- Prior art keywords
- die
- mould
- knife
- fervent
- cutting
- 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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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
- B29C45/38—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
- B29C45/38—Cutting-off equipment for sprues or ingates
- B29C2045/384—Cutting-off equipment for sprues or ingates cutting the sprue by a plunger movable into the runner channel
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention provides a high-pressure nitrogen in-die hot-cutting die. The high-pressure nitrogen in-die hot-cutting die comprises an upper die and a lower die which are oppositely arranged, wherein the upper die is located above the lower die, the lower die is installed on a die rack, a hot-cutting assembly is arranged in the die rack and is partially located in the lower die, a high-pressure gas channel connected with the hot-cutting assembly is further arranged in the die rack, the hot-cutting assembly comprises a cylinder body, the cylinder body is provided with a downwards-opening gas chamber, a piston is arranged in the gas chamber, a high-pressure seal ring is arranged at the top of the piston, a through opening is formed in the piston and is communicated with the high-pressure gas channel, a cutter top plate is arranged at the top of the cylinder body, a cutter is arranged on the cutter top plate, and a reset spring is arranged between the cutter top plate and the lower die. The high-pressure nitrogen in-die hot-cutting die makes a product automatically break away from a sprue through the hot-cutting assembly, can perform cutting when the sprue keeps a certain softness by arranging a time schedule controller and make the cutting easier, adopts a nitrogen source and does not cause environmental pollution, the gap between the cutter and the lower die is smaller than 0.005 mm, and it is ensured that no excessive flash is produced during hot cutting.
Description
Technical field
The present invention relates to mould applications, fervent mould in specifically a kind of high pressure nitrogen mould.
Background technology
Along with expanding economy and the raising of production technology; the demand of injection mold industry also gets more and more; in automation injection production process; require to improve to the suitability of the automated production of Design of Dies; the requirement processing injection mo(u)lding Jiao Kou is more and more higher, and after traditional injecting products completes injection, upper die and lower die can depart from; but Jiao Kou can stick together with product, it is impossible to automatically disengages.
Summary of the invention
Fervent mould in it is an object of the invention to provide a kind of high pressure nitrogen mould that Jiao Kou and product can be made to automatically disengage.
The present invention is achieved through the following technical solutions above-mentioned purpose: fervent mould in a kind of high pressure nitrogen mould, including the upper die and lower die being oppositely arranged, described upper mold is positioned at the top of described lower mold, described lower mold is arranged on mould bases, fervent assembly it is provided with in described mould bases, described fervent components is positioned at described lower mold, the high pressure air flue being connected with described fervent assembly it is additionally provided with in described mould bases, described fervent assembly includes cylinder block, described cylinder block has downwardly open air chamber, it is provided with piston in described air chamber, the top of described piston is provided with high-pressure seal ring, described piston is provided with through opening, described opening connects with described high pressure air flue, the top of described cylinder block is provided with cutting knife top board, described cutting knife top board is provided with cutting knife, it is provided with back-moving spring between described cutting knife top board and described lower mold.
Further, described cutting knife includes that handle of a knife and the knife edge, described handle of a knife and the described knife edge are one-body molded, and described handle of a knife is positioned at the bottom of described cutting knife, and described handle of a knife is connected with described cutting knife top board, and the described knife edge is positioned at the top of the described knife edge.
Further, the width of the described knife edge is less than the width of described handle of a knife.
Further, described cutting knife and the gap of described lower mold are less than 0.005mm.
Further, described high pressure air flue connects source nitrogen.
Further, described source nitrogen connects time schedule controller.
Compared with prior art, in high pressure nitrogen mould of the present invention, fervent mould provides the benefit that: by arranging fervent assembly, reach the effect making Jiao Kou and product automatically disengage, by arranging time schedule controller, it is possible to Jiao Kou keep certain soft when cut, make cutting be easier to, use source nitrogen simultaneously, will not be to environment, cutting knife is less than 0.005mm with the gap of lower mold, it is ensured that do not have batch cutting edge of a knife or a sword time earnestly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of fervent assembly in Fig. 1.
Fig. 3 is the structural representation of cutting knife in Fig. 2.
Label in accompanying drawing is as follows: 1, front mould, and 2, rear mold, 3, mould bases, 4, high pressure air flue, 5, fervent assembly, 6, product, 51, cylinder block, 52, piston, 53, air chamber, 54, high-pressure seal ring, 55, cutting knife top board, 56, cutting knife, 57, back-moving spring, 58, Jiao Kou, 561, handle of a knife, 562, the knife edge.
Detailed description of the invention
Refer to Fig. 1 to Fig. 3, fervent mould in a kind of high pressure nitrogen mould, including the upper mold 1 being oppositely arranged and lower mold 2, upper mold 1 is positioned at the top of lower mold 2, lower mold 2 is arranged on mould bases 3, fervent assembly 5 it is provided with in mould bases 3, earnestly assembly 5 part is positioned at lower mold 2, being additionally provided with the high pressure air flue 4 being connected with fervent assembly 5 in mould bases 3, high pressure air flue 4 connects source nitrogen (not shown), and source nitrogen connects time schedule controller, purpose is after completing injection and pressurize action, glue oral area divides and also keeps certain soft, and cutting is easier, it is ensured that cut.Source nitrogen can be by being dried compression by air, and then the molecular sieve filtration air through nitrogen making machine obtains, it is also possible to directly uses bottled high pressure nitrogen as source nitrogen.Use high pressure nitrogen, oil pressure can be solved and easily reveal hydraulic oil, the pollution that product is caused.The product produced, as the clean gas of a kind of torpescence, will not be polluted by nitrogen.
nullEarnestly assembly 5 includes cylinder block 51，Cylinder block 51 has downwardly open air chamber 53，Piston 52 it is provided with in air chamber 53，The top of piston 52 is provided with high-pressure seal ring 54，Piston 52 is provided with through opening (figure is not marked)，Opening connects with high pressure air flue 4，The top of cylinder block 51 is provided with cutting knife top board 55，Cutting knife top board 55 is provided with cutting knife 56，Cutting knife 56 includes handle of a knife 561 and the knife edge 562，Handle of a knife 561 and the knife edge 562 are one-body molded，Handle of a knife 561 is positioned at the bottom of cutting knife 56，Handle of a knife 561 is connected with cutting knife top board 55，The knife edge 562 is positioned at the top of the knife edge，The width of the knife edge 562 is less than the width of handle of a knife 561，Cutting knife 56 is less than 0.005mm with the gap of lower mold 2，Batch cutting edge of a knife or a sword so will not be produced when the product of fervent injection mo(u)lding，Back-moving spring 57 it is provided with between cutting knife top board 55 and lower mold 2，The two ends up and down of back-moving spring 57 are held in cutting knife top board 55 and lower mold 2 respectively，Upper mold 1 is provided with glue mouth 58 at the contact surface of lower mold 2.
The operation principle of the present invention is: injection molding machine control panel is given to time schedule controller signal, time schedule controller controls corresponding High-pressure air valve and opens source nitrogen, high pressure nitrogen enters air chamber 53 by high pressure air flue 4, owing to piston 52 maintains static, the reaction force acts that high pressure nitrogen produces is in cylinder block 51, making cylinder block 51 move upward, cylinder block 51 drives cutting knife top board 55, cutting knife top board 55 to drive cutting knife 56 to cut off the junction of glue mouth 58 and product 6.Completing Deng injection cycle, time schedule controller controls to cut off source nitrogen, and the high pressure nitrogen in air chamber 53 of releasing, and now, effect lower cutter 56, cutting knife top board 55 and cylinder block entirety at back-moving spring 57 return to initial position.Cutting knife can be driven in the way of being designed to multiple modules in parallel, to reach required shearing dynamics needing when.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (6)
1. fervent mould in a high pressure nitrogen mould, it is characterized in that: include the upper die and lower die being oppositely arranged, described upper mold is positioned at the top of described lower mold, described lower mold is arranged on mould bases, fervent assembly it is provided with in described mould bases, described fervent components is positioned at described lower mold, the high pressure air flue being connected with described fervent assembly it is additionally provided with in described mould bases, described fervent assembly includes cylinder block, described cylinder block has downwardly open air chamber, it is provided with piston in described air chamber, the top of described piston is provided with high-pressure seal ring, described piston is provided with through opening, described opening connects with described high pressure air flue, the top of described cylinder block is provided with cutting knife top board, described cutting knife top board is provided with cutting knife, it is provided with back-moving spring between described cutting knife top board and described lower mold.
Fervent mould in high pressure nitrogen mould the most according to claim 1, it is characterized in that: described cutting knife includes handle of a knife and the knife edge, described handle of a knife and the described knife edge are one-body molded, described handle of a knife is positioned at the bottom of described cutting knife, described handle of a knife is connected with described cutting knife top board, and the described knife edge is positioned at the top of the described knife edge.
Fervent mould in high pressure nitrogen mould the most according to claim 2, it is characterised in that: the width of the described knife edge is less than the width of described handle of a knife.
Fervent mould in high pressure nitrogen mould the most according to claim 1, it is characterised in that: described cutting knife is less than 0.005mm with the gap of described lower mold.
Fervent mould in high pressure nitrogen mould the most according to claim 1, it is characterised in that: described high pressure air flue connects source nitrogen.
Fervent mould in high pressure nitrogen mould the most according to claim 5, it is characterised in that: described source nitrogen connects time schedule controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420807.XA CN105881843A (en) | 2016-06-16 | 2016-06-16 | High-pressure nitrogen in-die hot-cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420807.XA CN105881843A (en) | 2016-06-16 | 2016-06-16 | High-pressure nitrogen in-die hot-cutting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105881843A true CN105881843A (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610420807.XA Pending CN105881843A (en) | 2016-06-16 | 2016-06-16 | High-pressure nitrogen in-die hot-cutting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105881843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876727A (en) * | 2017-12-20 | 2018-04-06 | 重庆家本家科技有限公司 | Household electrical appliances accessory casting device |
| CN108215096A (en) * | 2018-03-08 | 2018-06-29 | 珠海达其昌电子有限公司 | Latent glue mouth device for excising and its mold built in one kind |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018657A (en) * | 2004-11-18 | 2007-08-15 | 松下电器产业株式会社 | Injection molding machine, injection molding method, and injection molding die |
| CN104044098A (en) * | 2014-07-09 | 2014-09-17 | 姜雨 | High-pressure sealing nitrogen spring lever clamping device |
| CN204546961U (en) * | 2015-03-05 | 2015-08-12 | 台州市黄岩星泰塑料模具有限公司 | Utilize the injection mold of liquid hot cutting pouring gate |
| CN205767304U (en) * | 2016-06-16 | 2016-12-07 | 丹阳市华一医疗器械有限公司 | Fervent mould in a kind of high pressure nitrogen mould |
-
2016
- 2016-06-16 CN CN201610420807.XA patent/CN105881843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018657A (en) * | 2004-11-18 | 2007-08-15 | 松下电器产业株式会社 | Injection molding machine, injection molding method, and injection molding die |
| CN104044098A (en) * | 2014-07-09 | 2014-09-17 | 姜雨 | High-pressure sealing nitrogen spring lever clamping device |
| CN204546961U (en) * | 2015-03-05 | 2015-08-12 | 台州市黄岩星泰塑料模具有限公司 | Utilize the injection mold of liquid hot cutting pouring gate |
| CN205767304U (en) * | 2016-06-16 | 2016-12-07 | 丹阳市华一医疗器械有限公司 | Fervent mould in a kind of high pressure nitrogen mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876727A (en) * | 2017-12-20 | 2018-04-06 | 重庆家本家科技有限公司 | Household electrical appliances accessory casting device |
| CN107876727B (en) * | 2017-12-20 | 2019-11-05 | 重庆家本家科技有限公司 | Household electrical appliances accessory casting device |
| CN108215096A (en) * | 2018-03-08 | 2018-06-29 | 珠海达其昌电子有限公司 | Latent glue mouth device for excising and its mold built in one kind |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |