CN217993464U - Vacuum exhaust screw charging barrel structure - Google Patents
Vacuum exhaust screw charging barrel structure Download PDFInfo
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- CN217993464U CN217993464U CN202222434191.5U CN202222434191U CN217993464U CN 217993464 U CN217993464 U CN 217993464U CN 202222434191 U CN202222434191 U CN 202222434191U CN 217993464 U CN217993464 U CN 217993464U
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- feed cylinder
- gas
- air
- exhaust
- incision
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Abstract
The utility model discloses a vacuum exhaust screw rod feed cylinder structure, including the feed cylinder that has the inner chamber and wear to locate the screw rod in the feed cylinder, be equipped with the incision on the feed cylinder, the feed cylinder is located incision department and is equipped with the fluting that communicates with the inner chamber, it is equipped with the exhaust hole that runs through feed cylinder wall setting to lie in incision department on the feed cylinder, be equipped with the installation piece with incision looks adaptation on the feed cylinder, be equipped with the air inlet with the fluting intercommunication on the installation piece, be equipped with the air guide channel with fluting and exhaust hole intercommunication on the installation piece, the air inlet is connected with the intake pipe, intake-tube connection has the air supply, be equipped with pneumatic solenoid valve and governing valve in the intake pipe. The utility model has the advantages of reasonable design, through impressing gas in the feed cylinder, along with the circulation of the gaseous of going into, can discharge the gas in the melting plastics in the lump, so make the exhaust more abundant, exhaust efficiency is higher.
Description
Technical Field
The utility model relates to an injection molding machine accessory technical field, more specifically say, relate to a vacuum degassing screw rod feed cylinder structure.
Background
CN212045831U discloses a vacuum exhaust formula screw rod feed cylinder, including locating the screw rod passageway in the feed cylinder and locating in the screw rod passageway and have measurement pay-off plastify section, strong pressure plastify section, pay-off decompression plastify section and send the pay-off screw rod of plastify section by force, the feed cylinder has the feed inlet and communicates with each other and be located the gas vent of pay-off decompression plastify section department with the screw rod passageway, still includes: a partition plate provided in the exhaust port and capable of completely dividing the exhaust port into an area above the partition plate and an area below the partition plate; the exhaust hole is penetratingly arranged in the clapboard; the mounting seat is arranged on the partition plate and is provided with a mounting hole communicated with the exhaust hole; and the accommodating space is positioned below the partition plate and can be used for temporarily storing the plastics conveyed by the feeding screw. The utility model discloses a be provided with baffle and accommodation space, can block and keep in plastics, can prevent effectively that plastics from discharging the gas vent, also have fine exhaust effect.
However, the vacuum vented screw barrel described above has the following drawbacks: namely, the problems of insufficient exhaust and low exhaust efficiency still exist in the actual use process.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a vacuum exhaust screw rod feed cylinder structure, and it is through with atmospheric pressure pan feeding section of thick bamboo in, along with the circulation of the gaseous of going into, can discharge the gas in the melting plastics in the lump, so make the exhaust more abundant, exhaust efficiency is higher.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a vacuum exhaust screw rod feed cylinder structure, including the feed cylinder that has the inner chamber and wear to locate the screw rod in the feed cylinder, be equipped with the incision on the feed cylinder, the feed cylinder is located incision department and is equipped with the fluting that communicates with the inner chamber, it is equipped with the exhaust hole that runs through feed cylinder wall setting to lie in incision department on the feed cylinder, be equipped with the installation piece with incision looks adaptation on the feed cylinder, be equipped with the air inlet with the fluting intercommunication on the installation piece, be equipped with the air guide channel with fluting and exhaust hole intercommunication on the installation piece, the air inlet is connected with the intake pipe, intake-tube connection has the air supply, be equipped with pneumatic solenoid valve and governing valve in the intake pipe.
Preferably, the air guide channel comprises an air guide inlet communicated with the open groove, an air guide outlet communicated with the exhaust hole and an air guide groove communicated with the air guide inlet and the air guide outlet.
Preferably, a mounting plate is arranged below the mounting block, and an air inlet hole communicated with the air inlet, an air inlet hole communicated with the air inlet and an air outlet hole communicated with the air outlet are formed in the mounting plate.
Preferably, be equipped with the mounting groove on the installation piece, the both sides that lie in the mounting groove on the feed cylinder are equipped with the constant head tank, are equipped with the locating piece that lies in mounting groove and constant head tank on the installation piece.
Preferably, the screw is provided with a forced plasticizing section, and the forced plasticizing section is provided with uniformly arranged forced lugs.
The utility model has the advantages that:
the utility model discloses a vacuum exhaust screw rod feed cylinder structure, its structural design is reasonable, through impressing gas in the feed cylinder, along with the circulation of the gaseous of going into, can discharge the gas in the melting plastics in the lump, so make the exhaust more abundant, exhaust efficiency is higher.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of FIG. 2 with the locating block removed;
FIG. 4 is a schematic view showing a partial structure of a charging barrel according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mounting block according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a mounting block and a mounting plate according to an embodiment of the present invention;
FIG. 7 is a schematic view of a mounting plate according to an embodiment of the present invention;
FIG. 8 is a schematic view of a screw according to an embodiment of the present invention;
fig. 9 is an enlarged view of fig. 8 at a.
In the figure: 1. a charging barrel; 11. cutting; 12. slotting; 13. an exhaust hole; 14. positioning a groove; 2. a screw; 21. a forced compression plasticizing section; 211. pressing the bump strongly; 3. mounting a block; 31. an air inlet; 32. an air guide channel; 321. an air guide inlet; 322. an air outlet; 323. a gas guide groove; 33. mounting grooves; 34. positioning blocks; 4. an air inlet pipe; 41. a pneumatic solenoid valve; 42. adjusting a valve; 5. mounting a plate; 51. an air intake; 52. an air guide inlet hole; 53. an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-9, a vacuum exhaust screw charging barrel structure comprises a charging barrel 1 with an inner cavity and a screw 2 penetrating through the charging barrel 1, wherein the charging barrel 1 is provided with a notch 11, the position of the charging barrel 1, which is located at the notch 11, is provided with a notch 12 communicated with the inner cavity, the position of the notch 11 on the charging barrel 1 is provided with an exhaust hole 13 penetrating through the wall of the charging barrel 1, the charging barrel 1 is provided with a mounting block 3 adapted to the notch 11, the mounting block 3 is provided with an air inlet 31 communicated with the notch 12, the mounting block 3 is provided with an air guide channel 32 communicated with the notch 12 and the exhaust hole 13, the air inlet 31 is connected with an air inlet pipe 4, the air inlet pipe 4 is connected with an air source, and the air inlet pipe 4 is provided with a pneumatic solenoid valve 41 and an adjusting valve 42; the air guide passage 32 comprises an air guide inlet 321 communicated with the open groove 12, an air guide outlet 322 communicated with the exhaust hole 13 and an air guide groove 323 communicated with the air guide inlet 321 and the air guide outlet 322; a mounting plate 5 is arranged below the mounting block 3, and an air inlet hole 51 communicated with the air inlet 31, an air inlet hole 52 communicated with the air inlet 321 and an air outlet hole 53 communicated with the air outlet 322 are arranged on the mounting plate 5; the mounting block 3 is provided with a mounting groove 33, positioning grooves 14 are arranged on the charging barrel 1 at two sides of the mounting groove 33, and a positioning block 34 positioned in the mounting groove 33 and the positioning grooves 14 is arranged on the mounting block 3; the screw 2 is provided with a forced plasticizing section 21, and the forced plasticizing section 21 is provided with forced lugs 211 which are uniformly arranged.
Through adopting above-mentioned technical scheme, in the utility model discloses in, carry out the air feed (wherein the gas of supply can be the air also can be steam) to intake pipe 4 through the air supply (not shown in the figure), wherein pneumatic solenoid valve 41 can be to whether admitting air and control, and governing valve 42 can adjust the volume of admitting air. And gas can enter into fluting 12 through air inlet 31, and because the pressure that gets into in the feed cylinder 1 through pneumatic solenoid valve 41 can be great, along with gas gets into from air inlet 31 to through gas guide channel 32 until discharging from exhaust hole 13, gas can take out the gas that remains in the melting plastics together when the circulation in fluting 12, so reach the purpose to gas outgoing in the feed cylinder 1, it is more abundant to exhaust, and exhaust efficiency is high. Since the vent holes 13 are arranged in the wall of the cartridge 1, the vent holes 13 do not communicate directly with the slot 12, but communicate with the slot 12 via the gas guide channel 32, so that the gas entering the slot 12 must pass through the gas guide channel 32 and then be discharged from the vent holes 13. And wherein the gas guide passage 32 specifically includes a gas guide inlet 321, a gas guide groove 323, and a gas guide outlet 322, such that, when the gas introduced into the open groove 12 enters the gas guide groove 323 through the gas guide inlet 321, the gas in the gas guide groove 323 flows from the gas guide outlet 322 to the gas discharge hole 13 until being discharged, wherein the gas guide outlet 322 is preferably disposed opposite to the gas discharge hole 13, such that the gas is conveniently discharged. The matching arrangement of the mounting plate 5 and the mounting block 3 facilitates the processing of the air guide groove 323, the air guide inlet 321 and the air guide outlet 322 on the mounting block 3. And the installation groove 33, the positioning groove 14 and the positioning block 34 are arranged, so that the installation block 3 is conveniently fixed on the charging barrel 1. And the arrangement of the strong pressure lug 211 on the screw rod 2 ensures that the plastic has better extrusion effect on the molten plastic.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a vacuum exhaust screw rod feed cylinder structure, including the feed cylinder that has the inner chamber and wear to locate the screw rod in the feed cylinder, its characterized in that is equipped with the incision on the feed cylinder, and the feed cylinder is located incision department and is equipped with the fluting that communicates with the inner chamber, and it is equipped with the exhaust hole that runs through the feed cylinder wall setting to lie in incision department on the feed cylinder, is equipped with the installation piece with incision looks adaptation on the feed cylinder, is equipped with the air inlet with the fluting intercommunication on the installation piece, is equipped with the air guide channel with fluting and exhaust hole intercommunication on the installation piece, and the air inlet is connected with the intake pipe.
2. The vacuum degassing screw barrel structure according to claim 1, wherein the gas inlet pipe is connected to a gas source, and a pneumatic solenoid valve and a regulating valve are provided on the gas inlet pipe.
3. The vacuum degassing screw barrel structure according to claim 1 or 2, wherein the gas guide channel comprises a gas guide inlet communicating with the slot, a gas guide outlet communicating with the vent hole, and a gas guide groove communicating with the gas guide inlet and the gas guide outlet.
4. The vacuum degassing screw barrel structure according to claim 3, wherein a mounting plate is provided below the mounting block, and the mounting plate is provided with an air inlet hole communicated with the air inlet, and an air outlet hole communicated with the air outlet.
5. The vacuum degassing screw material cylinder structure according to claim 4, wherein the mounting block is provided with a mounting groove, positioning grooves are provided on both sides of the mounting groove on the material cylinder, and positioning blocks are provided on the mounting block in the mounting groove and the positioning grooves.
6. The vacuum degassing screw barrel structure according to claim 3, wherein the screw is provided with a high pressure plasticized section, and the high pressure plasticized section is provided with high pressure projections which are uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434191.5U CN217993464U (en) | 2022-09-14 | 2022-09-14 | Vacuum exhaust screw charging barrel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434191.5U CN217993464U (en) | 2022-09-14 | 2022-09-14 | Vacuum exhaust screw charging barrel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217993464U true CN217993464U (en) | 2022-12-09 |
Family
ID=84289691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222434191.5U Active CN217993464U (en) | 2022-09-14 | 2022-09-14 | Vacuum exhaust screw charging barrel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217993464U (en) |
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2022
- 2022-09-14 CN CN202222434191.5U patent/CN217993464U/en active Active
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