CN113400574A - Injection molding device with auxiliary function of blowing - Google Patents
Injection molding device with auxiliary function of blowing Download PDFInfo
- Publication number
- CN113400574A CN113400574A CN202110556315.4A CN202110556315A CN113400574A CN 113400574 A CN113400574 A CN 113400574A CN 202110556315 A CN202110556315 A CN 202110556315A CN 113400574 A CN113400574 A CN 113400574A
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- Prior art keywords
- pipe
- flash tank
- product body
- flash
- gas
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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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
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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
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B29C45/1711—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding device with an auxiliary blowing function, which comprises a product body, a gas pipe, a blowing needle, a pouring pipe and a flash tank, wherein the gas pipe is arranged on one side of the product body, the blowing needle is fixed at one end of the gas pipe, one end of the blowing needle is communicated with the gas pipe, the other end of the blowing needle is communicated with the product body, the pouring pipe is installed at one end of the product body, one end of the pouring pipe is communicated with the product body, the flash tank is arranged on the other side of the product body, a flash pipe is fixed at one end of the flash tank, one end of the flash pipe is communicated with the flash tank, the other end of the flash pipe is communicated with the product body, and an open slot is arranged on one side of the top end of the flash tank. The invention not only can accurately inject high-pressure nitrogen into the product, so that the nitrogen is not easy to leak, the rubber material is convenient to collect, but also the gas can continuously keep the original pressure.
Description
Technical Field
The invention relates to the technical field of molds, in particular to an injection molding device with an auxiliary blowing function.
Background
Along with the improvement of market requirement, injection molding product requirement is also higher and higher, some products need to be a lot thicker than ordinary products because of the demand of function to the product wall thickness design, generally speaking, the product that comes out of so moulding plastics can appear the problem that the product surface is seriously shrunk, product appearance can't satisfy, waste more sizing material because of product wall thickness, the cycle of shaping also can increase, this patent is for solving the defect problem of moulding plastics that appears above, used one kind through when moulding plastics, utilized accurate automated control system, inject high-pressure nitrogen gas into the product inside, thereby obtain the high quality product that satisfies the product demand, the quality is light, the surface is flawless.
The devices on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows:
(1) the existing device is difficult to accurately inject high-pressure nitrogen into the product when in use, and the leakage condition is easy to occur when the nitrogen is input, so that the improvement is needed;
(2) the existing device is inconvenient to collect extruded rubber when in use, so that the rubber is easily wasted;
(3) the nitrogen injected by the prior device is difficult to keep pressure continuously when in use, so certain defects exist.
Disclosure of Invention
The invention aims to provide an injection molding device with an auxiliary blowing function, and aims to solve the problems that the device in the background art is difficult to accurately inject high-pressure nitrogen into a product when in use, extruded rubber materials are inconvenient to collect, and the injected nitrogen is difficult to keep pressure continuously.
In order to achieve the purpose, the invention provides the following technical scheme: an injection molding device with an auxiliary blowing function comprises a product body, a gas pipe, a blowing needle, a feeding and pouring pipe and a flash tank, wherein the gas pipe is arranged on one side of the product body, the blowing needle is fixed at one end of the gas pipe, one end of the blowing needle is communicated with the gas pipe, the other end of the blowing needle is communicated with the product body, the feeding and pouring pipe is installed at one end of the product body, one end of the feeding and pouring pipe is communicated with the product body, the flash tank is arranged on the other side of the product body, a flash pipe is fixed at one end of the flash tank, one end of the flash pipe is communicated with the flash tank, the other end of the flash pipe is communicated with the product body, and an open slot is formed in one side of the top end of the flash tank.
Preferably, the bottom mounting of needle of blowing has sealed sucking disc, and sealed sucking disc closely laminates with the product body, and the marginal position department of sealed sucking disc bottom is fixed with the sealing washer for nitrogen gas is difficult for revealing.
Preferably, an adjusting pipe is installed on one side of the interior of the air blowing needle, a one-way control valve is installed in the adjusting pipe, and a valve handle is installed on the outer wall of one side of the one-way control valve, so that the air can continuously keep the original pressure.
Preferably, the outer wall of one side of the flash tank is provided with a discharge hole, the discharge hole is communicated with the flash tank, and one end of the discharge hole is sleeved with a sealing cover, so that the rubber material is conveniently discharged from the flash tank, the rest parts of the product are conveniently filled, and the waste of the rubber material is reduced.
Preferably, an adjusting block is arranged on one side inside the flash tank, the outer wall of the adjusting block is tightly attached to the inner wall of the flash tank, and the size of the overflow of the sizing material can be adjusted conveniently.
Preferably, the outer wall of one side of the adjusting block is fixedly provided with a connecting piece, one side of the top end of the connecting piece is fixedly provided with an adjusting rod, and the top end of the adjusting rod penetrates through the open slot and extends to the upper part of the flash tank, so that the adjusting block can be driven to move conveniently.
Compared with the prior art, the invention has the beneficial effects that: the injection molding device with the auxiliary blowing function can not only accurately inject high-pressure nitrogen into a product, so that the nitrogen is not easy to leak, rubber materials are convenient to collect, but also the gas can continuously keep the original pressure;
(1) the device is provided with a gas pipe, a gas blowing needle, a sealing sucker and a sealing ring, a precise automatic control system is utilized, nitrogen compressed under high pressure is input into the gas pipe, the nitrogen is accurately led into a molten material through the gas blowing needle, the interior of a plastic part is expanded to form a hollow part, and the arrangement of the sealing sucker and the sealing ring ensures that the nitrogen is not easy to leak;
(2) by arranging the flash tank, the open slot, the discharge opening, the sealing cover, the flash pipe, the adjusting block, the connecting sheet and the adjusting rod, extruded rubber materials are discharged into the flash tank through the flash pipe, the adjusting rod is pulled to one side to drive the adjusting block to move to one side through the connecting sheet, the volume of the overflow of the rubber materials can be adjusted, so that the rubber materials can be conveniently collected, the sealing cover is opened to discharge the rubber materials through the discharge opening, the rest parts of a product can be conveniently filled, and the waste of the rubber materials is reduced;
(3) through being provided with regulating tube, one-way control valve and valve handle, after filling work accomplished, rotate the valve handle and make the inside one-way control valve of regulating tube close to make gas continue to keep original pressure, solved the problem of volume shrink among the material cooling process.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic cross-sectional view of the flash tank of the present invention;
FIG. 3 is a side view of a partial structure of the blowing needle of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a product body; 2. a gas delivery pipe; 3. an air blowing needle; 4. pouring a pipe; 5. a flash tank; 6. an open slot; 7. a discharge outlet; 8. a sealing cover; 9. a flash pipe; 10. an adjusting block; 11. connecting sheets; 12. adjusting a rod; 13. sealing the sucker; 14. a seal ring; 15. an adjusting tube; 16. a one-way control valve; 17. a valve handle.
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. 1-4, an embodiment of the present invention is shown: an injection molding device with an auxiliary blowing function comprises a product body 1, a gas pipe 2, a blowing needle 3, a pouring pipe 4 and a flash tank 5, wherein the gas pipe 2 is arranged on one side of the product body 1, the blowing needle 3 is fixed at one end of the gas pipe 2, one end of the blowing needle 3 is communicated with the gas pipe 2, and the other end of the blowing needle 3 is communicated with the product body 1;
a sealing sucker 13 is fixed at the bottom end of the air blowing needle 3, the sealing sucker 13 is tightly attached to the product body 1, and a sealing ring 14 is fixed at the edge position of the bottom end of the sealing sucker 13, so that nitrogen is not easy to leak;
an adjusting pipe 15 is arranged at one side inside the air blowing needle 3, a one-way control valve 16 is arranged inside the adjusting pipe 15, and a valve handle 17 is arranged on the outer wall of one side of the one-way control valve 16, so that the original pressure of the air is continuously kept;
one end of the product body 1 is provided with a pouring pipe 4, one end of the pouring pipe 4 is communicated with the product body 1, the other side of the product body 1 is provided with a flash tank 5, one end of the flash tank 5 is fixed with a flash pipe 9, one end of the flash pipe 9 is communicated with the flash tank 5, the other end of the flash pipe 9 is communicated with the product body 1, and one side of the top end of the flash tank 5 is provided with an open slot 6;
a discharge opening 7 is formed in the outer wall of one side of the flash tank 5, the discharge opening 7 is communicated with the flash tank 5, and a sealing cover 8 is sleeved at one end of the discharge opening 7, so that the rubber material can be conveniently discharged from the flash tank 5, the rest parts of the product can be conveniently filled, and the waste of the rubber material is reduced;
an adjusting block 10 is arranged on one side inside the flash tank 5, and the outer wall of the adjusting block 10 is tightly attached to the inner wall of the flash tank 5, so that the volume of the overflow of the sizing material can be adjusted conveniently;
a connecting piece 11 is fixed on the outer wall of one side of the adjusting block 10, an adjusting rod 12 is fixed on one side of the top end of the connecting piece 11, and the top end of the adjusting rod 12 penetrates through the open slot 6 and extends to the upper side of the flash tank 5, so that the adjusting block 10 is driven to move conveniently.
The working principle is as follows: when in use, firstly, a precise automatic control system is utilized to input high-pressure compressed nitrogen into the gas transmission pipe 2, the nitrogen is accurately guided into a molten material through the gas blowing needle 3, the inside of a plastic part is expanded to form a hollow space, the arrangement of the sealing sucker 13 and the sealing ring 14 ensures that the nitrogen is not easy to leak, then, the gas flows to the low-pressure and high-temperature areas of a product along the direction with the minimum resistance, when the gas flows in the product, the gas hollows out the thick-wall section by replacing the molten material, extruded rubber is discharged into the overflow trough 5 through the overflow pipe 9, the adjusting rod 12 is pulled to one side to drive the adjusting block 10 to move to one side through the connecting sheet 11, the overflow volume of the rubber can be adjusted, thereby being convenient for collecting the rubber, and then the sealing cover 8 is opened to ensure that the rubber is discharged through the discharge port 7 so as to fill the rest parts of the product, and then reduced the waste of sizing material, finally, after filling work is accomplished, rotate valve handle 17 and make the inside one-way control valve 16 of regulating tube 15 close to make gas continue to keep original pressure, solved the problem of volume shrink in the material cooling process, use the fashioned product of gas-assisted, shrink can not appear in the surface, the quality is lighter to save the plastic raw materials, the cycle of moulding plastics reduces 50%, save manufacturing cost, the work of the injection moulding device that accomplishes the auxiliary function of blowing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an injection moulding device with auxiliary function blows, includes product body (1), gas-supply pipe (2), blows needle (3), advances to water pipe (4) and flash tank (5), its characterized in that: one side of product body (1) is provided with gas-supply pipe (2), and the one end of gas-supply pipe (2) is fixed with air blow needle (3), and the one end of air blow needle (3) is linked together with gas-supply pipe (2), and the other end of air blow needle (3) is linked together with product body (1), the one end of product body (1) is installed and is watered pipe (4) into, and the one end of watering pipe (4) into is linked together with product body (1), the opposite side of product body (1) is provided with flash tank (5), and the one end of flash tank (5) is fixed with flash pipe (9), and the one end and flash tank (5) of flash pipe (9) are linked together, and the other end and product body (1) of flash pipe (9) are linked together, one side on flash tank (5) top is provided with open slot (6).
2. An injection molding apparatus having a blow assist function according to claim 1, characterized in that: and a sealing sucker (13) is fixed at the bottom end of the air blowing needle (3), the sealing sucker (13) is tightly attached to the product body (1), and a sealing ring (14) is fixed at the edge position of the bottom end of the sealing sucker (13).
3. An injection molding apparatus having a blow assist function according to claim 1, characterized in that: an adjusting pipe (15) is installed on one side of the interior of the air blowing needle (3), a one-way control valve (16) is installed inside the adjusting pipe (15), and a valve handle (17) is installed on the outer wall of one side of the one-way control valve (16).
4. An injection molding apparatus having a blow assist function according to claim 1, characterized in that: the flash tank is characterized in that a discharge hole (7) is formed in the outer wall of one side of the flash tank (5), the discharge hole (7) is communicated with the flash tank (5), and a sealing cover (8) is sleeved at one end of the discharge hole (7).
5. An injection molding apparatus having a blow assist function according to claim 1, characterized in that: an adjusting block (10) is arranged on one side inside the flash tank (5), and the outer wall of the adjusting block (10) is tightly attached to the inner wall of the flash tank (5).
6. An injection molding apparatus having a blow assist function according to claim 5, wherein: the overflow trough is characterized in that a connecting piece (11) is fixed on the outer wall of one side of the adjusting block (10), an adjusting rod (12) is fixed on one side of the top end of the connecting piece (11), and the top end of the adjusting rod (12) penetrates through the open slot (6) and extends to the upper portion of the overflow trough (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556315.4A CN113400574A (en) | 2021-05-21 | 2021-05-21 | Injection molding device with auxiliary function of blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556315.4A CN113400574A (en) | 2021-05-21 | 2021-05-21 | Injection molding device with auxiliary function of blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113400574A true CN113400574A (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110556315.4A Pending CN113400574A (en) | 2021-05-21 | 2021-05-21 | Injection molding device with auxiliary function of blowing |
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| Country | Link |
|---|---|
| CN (1) | CN113400574A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836880A (en) * | 2005-03-21 | 2006-09-27 | 北京中拓机械有限责任公司 | Method for forming hollow plastic products and device therefor |
| CN104708779A (en) * | 2013-12-16 | 2015-06-17 | 牟维军 | Water-assisted injection molding and gas-assisted molding common nozzle |
| CN209920412U (en) * | 2019-02-25 | 2020-01-10 | 厦门鑫德来工贸有限公司 | Gas-assisted precision machining device for injection molding |
-
2021
- 2021-05-21 CN CN202110556315.4A patent/CN113400574A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836880A (en) * | 2005-03-21 | 2006-09-27 | 北京中拓机械有限责任公司 | Method for forming hollow plastic products and device therefor |
| CN104708779A (en) * | 2013-12-16 | 2015-06-17 | 牟维军 | Water-assisted injection molding and gas-assisted molding common nozzle |
| CN209920412U (en) * | 2019-02-25 | 2020-01-10 | 厦门鑫德来工贸有限公司 | Gas-assisted precision machining device for injection molding |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210917 |
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| RJ01 | Rejection of invention patent application after publication |