CN210848263U - Pouring gate of pressure casting die for speed changer shell - Google Patents
Pouring gate of pressure casting die for speed changer shell Download PDFInfo
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- CN210848263U CN210848263U CN201921510687.8U CN201921510687U CN210848263U CN 210848263 U CN210848263 U CN 210848263U CN 201921510687 U CN201921510687 U CN 201921510687U CN 210848263 U CN210848263 U CN 210848263U
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Abstract
The utility model relates to a transmission case die casting die runner, including annotating the material cover, annotate the material cover and connect the sprue, a plurality of ingates are connected to the sprue, are equipped with toper cover and straight barrel casing on the inner wall of ingate, and toper cover inner chamber is the toper chamber, and the inner chamber of straight barrel casing is the straight barrel chamber, and the toper chamber communicates with the inner chamber of ingate, and when pouring molten metal into the ingate, when molten metal gets into the toper chamber of each ingate, the bore that molten metal flows diminishes and can flow to the straight barrel chamber fast and get into the type intracavity of mould, has improved the liquid injection speed of molten metal in the ingate, prevents that molten metal from solidifying in the ingate and blocking the ingate; the free end of sprue has the opening, and the opening communicates with the inner chamber of sprue, and the opening part is equipped with the detachable closing cap, and the closing cap and sprue threaded connection can open the closing cap when the molten metal semi-solid blockked up appears in the sprue, follow the opening clearance molten metal of sprue tip, guarantee that the sprue is unblocked.
Description
Technical Field
The utility model belongs to the technical field of the die-casting and specifically relates to a derailleur shell die casting die runner.
Background
The casting system of the die-casting die consists of a sprue bush, a runner and a pouring gate, and molten metal directly enters a die cavity through the sprue bush, the runner and the pouring gate in the casting process. The existing die casting die is changed from an integral feeding barrel to a split feeding barrel, and a sprue bush is a necessary product.
When the molten metal is supplied to a die cavity of the die casting die, firstly, the molten metal is slowly injected into the die cavity until the molten metal is distributed in the die cavity, and then the molten metal is injected at a high speed, and the molten metal is injected into the die cavity, so that the molten metal entering each branch pouring channel from a straight pouring channel cannot flow fast enough, mainly because the connecting port diameter of the branch pouring channel and the straight pouring channel is large and is easily subjected to the resistance of a bending structure of the branch pouring channel;
in addition, when the sprue is blocked by semi-solidified molten metal in the existing casting die sprue, the solidified molten metal in the sprue is inconvenient to lead out, which is a common problem of the casting die sprue;
die casting die runner is when connecting the notes material pipe, the screw thread head is installed at the tip of annotating the material pipe to traditional mode, the screw thread head is direct with the sprue threaded connection of die casting die runner, the drawback of this kind of threaded connection mode lies in, the screw thread head rotates when screwing in the sprue, it leads to annotating the material pipe along with screw thread head rotates and twists the fried dough twist to annotate the material pipe, like this, it is not smooth to be flowed by the position molten metal of twisting the fried dough twist to annotate the material pipe, it is difficult or annotate the material pipe and is taken off by dashing to cause to annotate to expect very easily, screw thread head lug connection.
Disclosure of Invention
The utility model aims at solving the defect that prior art exists, a derailleur shell die casting die runner is provided.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a derailleur shell die casting die runner, is including annotating the material cover, annotates the material cover and connects the sprue, and the sprue is connected a plurality of ingates, and the die cavity of derailleur shell die casting die is connected to the ingate, the free end of sprue has the opening, and the opening communicates with the inner chamber of sprue, and the opening part is equipped with the detachable closing cap, closing cap and sprue threaded connection, be equipped with toper cover and straight barrel casing on the inner wall of ingate, toper cover inner chamber is the toper chamber, and the inner chamber of straight barrel casing is straight barrel chamber, and the one end and the toper chamber in straight barrel chamber communicate, and the other end communicates with the die cavity of derailleur shell die casting die, the toper chamber with the inner chamber intercommunication of sprue.
The pouring gate of the die-casting die for the transmission shell is characterized in that the injection sleeve is provided with an injection port, internal threads are arranged on the inner wall of the injection port, an annular sealing groove is formed in the side face of the injection port, and the injection port is connected with an injection pipe through a quick connection mechanism.
The pouring gate of the die-casting die for the speed changer shell comprises a quick-connection threaded sleeve, the quick-connection threaded sleeve comprises an insertion portion and a rotation portion, the insertion portion corresponds to the injection port, an external thread meshed with the internal thread on the inner wall of the injection port is arranged on the surface of the insertion portion, an annular clamping plate is arranged at one end, away from the insertion portion, of the quick-connection threaded sleeve, and the annular clamping plate is connected with the injection pipe.
Foretell derailleur case die casting die runner, the tip of annotating the material pipe is equipped with two flanges, forms annular joint mouth between two flanges, annular joint mouth with annular joint board block.
The side surface of the insertion part is provided with the annular sealing sleeve, and the annular sealing sleeve is matched with the annular sealing groove on the inner side of the injection port.
According to the pouring gate of the die-casting die for the transmission shell, a core body of the transmission shell is arranged in a cavity of the die-casting die for the transmission shell.
The utility model has the advantages that: the sprue gate of the die casting die is characterized in that the free end of a sprue is provided with an opening, the opening is communicated with an inner cavity of the sprue, a detachable sealing cover is arranged at the opening and is in threaded connection with the sprue, a conical sleeve and a straight cylinder sleeve are arranged on the inner wall of the sprue, the inner cavity of the conical sleeve is a conical cavity, the inner cavity of the straight cylinder sleeve is a straight cylinder cavity, one end of the straight cylinder cavity is communicated with the conical cavity, the other end of the straight cylinder cavity is communicated with a die cavity of the die casting die of the speed changer shell, the conical cavity is communicated with the inner cavity of the sprue, when molten metal is injected into the sprue, when the molten metal enters the conical cavity of each sprue, the flowing caliber of the molten metal is reduced, and the molten metal can quickly flow into the straight cylinder cavity and enter the die cavity, so that the liquid injection speed of the molten metal in;
in addition, the free end of the sprue is provided with an opening, the opening is communicated with the inner cavity of the sprue, a detachable sealing cover is arranged at the opening and is in threaded connection with the sprue, and if the sprue is blocked by semi-solidification of molten metal, the sealing cover can be opened to clean the molten metal from the opening at the end part of the sprue, so that the sprue is guaranteed to be smooth.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the connection between the sprue and the ingate of the present invention;
FIG. 3 is a schematic view of the assembly of the material injecting tube and the material injecting sleeve of the present invention;
FIG. 4 is a schematic view of the connection between the material injecting tube and the material injecting sleeve;
fig. 5 is a schematic view of the material injection pipe of the present invention.
Detailed Description
As shown in fig. 1 to 5, the pouring gate of the die-casting die for the transmission shell comprises an injection sleeve 1, wherein the injection sleeve 1 is connected with a sprue 2, the sprue 2 is connected with a plurality of ingates 3, the ingates 3 are connected with a die cavity of the die-casting die for the transmission shell, a free end of the sprue 2 is provided with an opening, the opening is communicated with an inner cavity of the sprue, a detachable sealing cover 4 is arranged at the opening, the sealing cover 4 is in threaded connection with the sprue 2, a conical sleeve 5 and a straight sleeve 6 are arranged on the inner wall of the ingate 3, the inner cavity of the conical sleeve 5 is a conical cavity 7, the inner cavity of the straight sleeve 6 is a straight cylinder cavity 8, one end of the straight cylinder cavity 8 is communicated with the conical cavity 7, the other end of the straight cylinder cavity is communicated with the die cavity of the die-.
The material injection sleeve 1 is provided with a material injection port 9, internal threads are arranged on the inner wall of the material injection port 9, an annular sealing groove 10 is formed in the side face of the material injection port 9, and the material injection port 9 is connected with a material injection pipe 16 through a quick connection mechanism.
The quick-connection mechanism comprises a quick-connection threaded sleeve 12, the quick-connection threaded sleeve 12 comprises an insertion portion 13 and a rotation portion 14, the insertion portion 13 corresponds to the injection port 9, external threads meshed with the internal threads on the inner wall of the injection port 9 are arranged on the surface of the insertion portion 13, an annular clamping plate 15 is arranged at one end, far away from the insertion portion 13, of the quick-connection threaded sleeve 12, and the annular clamping plate 15 is connected with an injection pipe 16.
The end of the material injection pipe 16 is provided with two flanges 17, an annular clamping interface 18 is formed between the two flanges 17, and the annular clamping interface 18 is clamped with the annular clamping plate 15. The side of the insertion portion 13 is provided with an annular sealing sleeve 19.
When the material injection pipe is connected, firstly, the insertion part 13 extends into the material injection port 9, the quick-connection threaded sleeve 12 is rotated, when the quick-connection threaded sleeve 12 rotates, the flange 17 at the end part of the material injection pipe 16 rotates relative to the annular clamping plate 15, namely, when the quick-connection threaded sleeve 12 rotates, the insertion part 13 is in threaded engagement with the material injection port 9, the material injection pipe 16 is immobile, after the insertion part 13 is in threaded engagement with the material injection port 9, the annular sealing sleeve 19 is matched with the annular sealing groove 10 on the inner side of the material injection port 9, so that the material injection port 9 is in sealed connection with the material injection pipe 16, in the connection process, the material injection pipe 16 cannot rotate, the problem of twist twisting cannot exist, and the molten metal supplied by the material injection pipe 16 is guaranteed to be smooth.
Further, a transmission case core 20 is provided in the cavity of the transmission case die-casting mold.
The inner wall of the ingate 3 of the sprue of the die-casting die is provided with a conical sleeve 5 and a straight barrel sleeve 6, the inner cavity of the conical sleeve 5 is a conical cavity 7, the inner cavity of the straight barrel sleeve 6 is a straight barrel cavity 8, one end of the straight barrel cavity 8 is communicated with the conical cavity 7, the other end of the straight barrel cavity 8 is communicated with the die cavity of the die-casting die for the transmission shell, the conical cavity 7 is communicated with the inner cavity of the ingate 2, when molten metal is injected into the ingate 2 and enters the conical cavity 7 of each ingate 3, the flowing caliber of the molten metal is reduced, and the molten metal can quickly flow into the straight barrel cavity 8 and enter the die cavity of the die, so that the liquid injection speed of the molten metal in the ingate is improved, and the molten metal is;
in addition, the free end of the sprue 2 is provided with an opening, the opening is communicated with the inner cavity of the sprue, a detachable sealing cover 4 is arranged at the opening, the sealing cover 4 is in threaded connection with the sprue 2, if the sprue 2 is blocked by semi-solidification of molten metal, the sealing cover 4 can be opened, the molten metal is cleaned from the opening at the end part of the sprue 2, and the sprue 2 is guaranteed to be smooth.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a derailleur shell die casting die runner, is including annotating the material cover, annotates the material cover and connects the sprue, and the sprue is connected a plurality of ingates, and the die cavity of derailleur shell die casting die is connected to the ingate, its characterized in that, the free end of sprue has the opening, and the opening communicates with the inner chamber of sprue, and the opening part is equipped with the detachable closing cap, closing cap and sprue threaded connection, be equipped with toper cover and straight barrel casing on the inner wall of ingate, toper cover inner chamber is the toper chamber, and the inner chamber of straight barrel casing is straight barrel chamber, and the one end and the toper chamber intercommunication in straight barrel chamber, the other end communicates with the die cavity of derailleur shell die casting die, the toper chamber with the inner chamber intercommunication of sprue.
2. The pouring gate of the die-casting die for the transmission shell as claimed in claim 1, wherein the material injection sleeve is provided with a material injection port, inner threads are arranged on the inner wall of the material injection port, an annular sealing groove is arranged on the side surface of the material injection port, and the material injection port is connected with the material injection pipe through a quick connection mechanism.
3. The pouring gate of the die-casting die for the shell of the speed changer as claimed in claim 2, wherein the quick-connection mechanism comprises a quick-connection threaded sleeve, the quick-connection threaded sleeve comprises an insertion part and a rotating part, the insertion part corresponds to the injection port, the surface of the insertion part is provided with external threads meshed with the internal threads on the inner wall of the injection port, one end, far away from the insertion part, of the quick-connection threaded sleeve is provided with an annular clamping plate, and the annular clamping plate is connected with the injection pipe.
4. The pouring gate of the die-casting die for the transmission shell as claimed in claim 3, wherein the end of the material injection pipe is provided with two flanges, an annular clamping interface is formed between the two flanges, and the annular clamping interface is clamped with the annular clamping plate.
5. The pouring gate of the die-casting die for the transmission shell as claimed in claim 3, wherein an annular sealing sleeve is arranged on the side surface of the insertion part and is matched with an annular sealing groove on the inner side of the injection port.
6. The sprue of claim 3 wherein a core of the transmission housing is disposed in the cavity of the die casting mold for the transmission housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510687.8U CN210848263U (en) | 2019-09-11 | 2019-09-11 | Pouring gate of pressure casting die for speed changer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510687.8U CN210848263U (en) | 2019-09-11 | 2019-09-11 | Pouring gate of pressure casting die for speed changer shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848263U true CN210848263U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510687.8U Active CN210848263U (en) | 2019-09-11 | 2019-09-11 | Pouring gate of pressure casting die for speed changer shell |
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| Country | Link |
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| CN (1) | CN210848263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369458A (en) * | 2021-05-27 | 2021-09-10 | 上海恩耀机电有限公司 | Die-casting die applied to die-casting machine |
-
2019
- 2019-09-11 CN CN201921510687.8U patent/CN210848263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369458A (en) * | 2021-05-27 | 2021-09-10 | 上海恩耀机电有限公司 | Die-casting die applied to die-casting machine |
| CN113369458B (en) * | 2021-05-27 | 2022-06-17 | 上海恩耀机电有限公司 | Die-casting die applied to die-casting machine |
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