Flow passage conversion structure
Technical Field
The utility model relates to a mold processing technology field, in particular to runner transform structure.
Background
The molten plastic flows into the cavity through the runner on the mold and is formed in the cavity, when the yield needs to be halved in the existing injection molding processing, or when the mold is designed, the injection molding experiment needs to be carried out on runners with different designs, and the mold needs to be disassembled from the injection molding machine, so that the inconvenience is brought to the production and the design.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a runner transform structure can conveniently change the runner.
According to the utility model discloses an embodiment a runner conversion structure, including mould, runner, mounting groove, conversion piece; a plurality of cavities are arranged on the die; the flow channel comprises a branch flow channel and a main flow channel, and the branch flow channel is communicated with the cavity; the mounting groove divides the main flow passage into two sections; the conversion block is fixed in the mounting groove and used for changing the circulation and the shape between the two sections of the main flow channel.
According to some embodiments of the utility model, be equipped with direct runner on the conversion piece, direct runner will two sections intercommunication between the sprue.
According to some embodiments of the utility model, be equipped with the runner that dams on the conversion piece, the runner that dams makes two sections it dams between the sprue.
According to some embodiments of the utility model, be equipped with the sprue on the conversion piece, the sprue will two sections intercommunication between the sprue, wherein one end of sprue is equipped with the step piece.
According to the utility model discloses a some embodiments, be equipped with the fusiformis runner on the conversion piece, the fusiformis runner will be two sections intercommunication between the sprue, fusiformis runner central authorities are equipped with down the counter bore.
According to the utility model discloses a runner transform structure has following beneficial effect at least:
the runner includes branch runner, sprue, and wherein branch runner and die cavity intercommunication, the sprue is divided into two sections by the mounting groove, has the conversion piece through the fix with screw in the mounting groove, changes two sections through the conversion piece circulation and shape between the sprue conveniently change the runner when production and processing or design experiment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic diagram of a first implementation manner of the conversion block according to the embodiment of the present invention;
fig. 3 is a schematic diagram of a second embodiment of a conversion block according to the present invention;
fig. 4 is a schematic diagram of a third implementation manner of the conversion block according to the embodiment of the present invention;
fig. 5 is a schematic diagram of a fourth implementation manner of the conversion block according to the embodiment of the present invention.
A mold 100, a cavity 110; a flow channel 200, a branch flow channel 210, a main flow channel 220; a mounting groove 300; the flow passage comprises a conversion block 400, a through flow passage 410, a cut-off flow passage 420, a direct flow passage 430, a step block 431, a shuttle flow passage 440 and a lower sinking hole 441.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 to 5, a runner conversion structure includes a mold 100, a runner 200, a mounting groove 300, and a conversion block 400; the mold 100 is provided with a plurality of cavities 110; the runner 200 comprises a branch runner 210 and a main runner 220, wherein the branch runner 210 is communicated with the cavity 110; the installation groove 300 divides the conversion block 400 into two sections, and the installation groove 300 divides the main flow passage 220 into two sections; the conversion block 400 is fixed in the installation groove 300, and the conversion block 400 is used for changing the flow and the shape between the two sections of the main flow passage 220.
The flow channel 200 comprises a branch flow channel 210 and a main flow channel 220, wherein the branch flow channel 210 is communicated with the cavity 110, the main flow channel 220 is divided into two sections by a mounting groove 300, a conversion block 400 is fixed in the mounting groove 300 through a screw, and the flow and the shape between the two sections of the main flow channel 220 are changed through the conversion block 400, so that the flow channel 200 can be conveniently changed during production, processing or design experiments.
The conversion block 400 implements the first: the conversion block 400 is provided with a through flow passage 410, and the through flow passage 410 connects the two main flow passages 220.
Conversion block 400 embodiment two: the transition block 400 is provided with a shut-off flow passage 420, and the shut-off flow passage 420 shuts off flow between the two main flow passages 220.
Conversion block 400 implementation three: the conversion block 400 is provided with a straight flow channel 430, the straight flow channel 430 connects the two main flow channels 220, and one end of the straight flow channel 430 is provided with a step block 431.
Conversion block 400 implementation four: the conversion block 400 is provided with a shuttle-shaped flow passage 440, the shuttle-shaped flow passage 440 communicates the two sections of the main flow passage 220, and the center of the shuttle-shaped flow passage 440 is provided with a lower counter bore 441.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.