CN217433001U - Integrated into one piece mould of motor rear end cap - Google Patents

Integrated into one piece mould of motor rear end cap Download PDF

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Publication number
CN217433001U
CN217433001U CN202220846046.5U CN202220846046U CN217433001U CN 217433001 U CN217433001 U CN 217433001U CN 202220846046 U CN202220846046 U CN 202220846046U CN 217433001 U CN217433001 U CN 217433001U
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die
cavity
mold core
material injection
boss
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CN202220846046.5U
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Chinese (zh)
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钱伟国
张健
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Taicang Hongxin Precision Die Casting Co ltd
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Taicang Hongxin Precision Die Casting Co ltd
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Abstract

An integrated forming die of a motor rear end cover comprises an upper die and a lower die which are oppositely arranged; an upper mold core is embedded in the upper mold; a lower mold core is embedded in the lower mold; the upper mold core and the lower mold core are matched to form a group of cavities; the lower surface of the upper mold core is provided with an upper molding surface corresponding to the cavity; the upper surface of the lower die core is provided with a lower molding surface corresponding to the cavity; one side of the lower mold core is connected with a material injection seat; a runner is connected between the material injection seat and each cavity; one side of the upper die core is provided with a material injection cylinder matched with the material injection seat; and the material injection barrel is communicated with the material injection seat during die assembly. The material filling barrel is filled with the solution, the solution slowly rises from the bottom of the cavity in the cavity formed by the upper molding surface and the lower molding surface through the flow channel of the material filling seat, so that the problem of bubbles generated by pouring at the top of the traditional process is avoided, and the quality of cast products is improved.

Description

Integrated into one piece mould of motor rear end cap
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to an integrated into one piece mould of motor rear end cap.
Background
Along with the progress of society, the mechanical manufacturing industry has had great development, higher requirement has also been put forward to the equipment of motor rear end cap primary molding, when current mould was moulded motor rear end cap, generally poured into from the runner that advances of mould center with the molten fluidity metal liquid, lead to the casting to have the defect in the die-casting process, manufacturing defects such as shaping is bad, gas pocket, inclusion sediment etc. lead to the foundry goods shaping quality of motor rear end cap not high, in addition, the die cavity is stranded certain gas basically all, make like this when the user casts, the metal liquid distributes unevenly in the die cavity, lead to the casting product strength standard not up to standard.
Disclosure of Invention
For the technical problem who solves above-mentioned background art existence, the utility model aims at providing an integrated into one piece mould of motor rear end cap, its simple structure improves the product quality of foundry goods product, guarantees the casting precision of motor rear end cap.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an integrated forming die of a motor rear end cover comprises an upper die and a lower die which are oppositely arranged; an upper mold core is embedded in the upper mold; a lower mold core is embedded in the lower mold; the upper mold core and the lower mold core are matched to form a group of cavities; the lower surface of the upper mold core is provided with an upper molding surface corresponding to the cavity; the upper surface of the lower die core is provided with a lower molding surface corresponding to the cavity; one side of the lower mold core is connected with a material injection seat; a runner is connected between the material injection seat and each cavity; one side of the upper die core is provided with a material injection cylinder matched with the material injection seat; and the material injection barrel is communicated with the material injection seat during die assembly.
A motor rear end cap's integrated into one piece mould during use, go up mould and lower mould intercommunication closure, go up the mold core and align the amalgamation with lower mold core mutually, go up the profile and constitute a set of complete die cavity with lower profile, each die cavity corresponds a motor rear end cap, the runner flow direction that the material section of thick bamboo passes through the material seat of annotating of solution is gone up the profile and is gone up the fashioned intracavity of product that the profile formed down, solution slowly rises from the bottom of die cavity to avoid traditional top to irritate the problem of watering the gassing, the quality of cast product has been improved.
Furthermore, a flow distribution nozzle is arranged on the material injection seat; the upper surface of the lower die core is provided with two die-casting branches connected with the flow distribution nozzle; die-casting is connected with the cavity in a shunting way; one end of the die-casting branch close to the cavity is provided with a conical valley cavity. When the die is closed, the solution flows to the two die-casting branch channels from the flow distributing nozzle, the two die-casting branch channels flow to the two cavities respectively, after the solution in the cavities is filled, redundant solution is accumulated in the conical valley cavity and the die-casting branch channels, and solution which retracts in the cavities due to cooling is fed, so that the size of a cast product is more in line with the standard, and the quality of the cast product is improved.
Further, the other side of the lower molding surface, which is opposite to the die-casting branch, is provided with at least one overflow channel; the overflow channel comprises an accommodating cavity and an exhaust groove; the accommodating cavity is connected with the cavity; the chamber is held in the connection of exhaust duct one end, and the other end intercommunication die cavity is outside. Be equipped with overflow channel through the periphery at lower profiled surface, with gas and cold liquid in the mould, waste liquid discharge die cavity, avoid influencing the casting of product, can increase the package power of die casting to the lower mould simultaneously, the follow-up operation of being convenient for, through being equipped with the gas discharge die cavity that the air discharge duct produced with the die-casting in-process, it is equipped with the cavity that holds the cinder ladle to hold the chamber simultaneously, the cinder ladle can hold the cold liquid of most advanced income die cavity, the waste liquid and sneak into gas and oxidation mix with wherein, avoid the foundry goods product to produce and press from both sides the sediment, manufacturing defects such as gas pocket, the product quality of improvement foundry goods product.
Furthermore, the edge of the lower molding surface is provided with a ring groove which is sunken in the lower mold core; the annular groove is internally provided with a group of convex plates distributed in an annular array, and the convex plates are not in radial contact with the inner side of the annular groove. After the solution is filled in the cavity, a cast finished product can form a concave part matched with the convex plate, and the concave part is convenient for the motor rear end cover to be matched with the motor shell, so that the installation position is accurate.
Further, a first boss is arranged on the inner side of the ring groove; a second boss and a third boss are arranged along the inner groove wall of the other side of the ring groove opposite to the first boss; the second boss and the third boss are independent. The shape of the first boss, the second boss and the third boss which are constructed together is matched with the shape of a cast finished product of the rear end cover of the motor.
Furthermore, a cylindrical boss is arranged in the center of the lower molding surface; the cylindrical boss is arranged on the upper surface of the recess of the first boss. After the solution is filled in the cavity, the cast finished product can form a shaft hole matched with the cylindrical boss, and the shaft hole can be penetrated by the rotating shaft, so that the subsequent processing of the rear end cover of the motor is facilitated.
Furthermore, four corners of the lower surface of the upper die core are provided with positioning protrusions, four corners of the upper surface of the lower die core are provided with positioning recesses, and the positioning protrusions correspond to the positioning recesses in position and shape and size. Through being equipped with location arch and location sunken, can guarantee that the position is corresponding when the mold core combines with lower mold core, but also can avoid the removal of mould, improve the quality and the product size precision to product processing.
The utility model has the advantages that:
1. the material filling barrel is filled with the solution, the solution slowly rises from the bottom of the cavity in the cavity formed by the upper molding surface and the lower molding surface through the flow channel of the material filling seat, so that the problem of bubbles generated by pouring at the top of the traditional casting process is avoided, and the quality of cast products is improved.
2. After the solution in the cavity is filled, redundant solution is accumulated in the tapered valley cavity and the die-casting branch channel, and the solution retracted due to cooling in the cavity is fed, so that the size of a cast product is more in line with the standard, and the quality of the cast product is improved.
3. Be equipped with the overflow passageway through the periphery at lower profile surface, with gas and cold liquid in the mould, waste liquid discharge die cavity, avoid influencing the casting of product, can increase the package power of die casting to the lower mould simultaneously, the follow-up operation of being convenient for, through being equipped with the gas discharge die cavity that the air discharge duct produced with the die-casting in-process, it is equipped with the cavity that holds the cinder ladle to hold the chamber simultaneously, the cinder ladle can hold the cold liquid of most advanced income die cavity, the waste liquid and sneak into gas and oxidation wherein and mix with, avoid the foundry goods product to produce and press from both sides the sediment, manufacturing defects such as gas pocket, improve the quality of foundry goods product.
Drawings
Fig. 1 is a schematic structural diagram of an integrated molding die for a motor rear end cover according to embodiment 1;
fig. 2 is a schematic structural view of the upper mold of this embodiment 1;
FIG. 3 is a schematic structural diagram of the upper mold core of this embodiment 1;
FIG. 4 is a schematic structural diagram of the lower mold of this embodiment 1;
FIG. 5 is a schematic structural view of the lower mold core of this embodiment 1;
FIG. 6 is a schematic view of a partial structure of the lower mold core of this embodiment 1;
FIG. 7 is a schematic structural view of the lower molding surface of the present embodiment 1;
in the figure: the die comprises an upper die 1, an upper die core 11, a charging barrel 12, a positioning bulge 13, an upper forming surface 14, a lower die 2, a lower die core 21, a material injection seat 22, a flow distribution nozzle 221, a pressure casting lane 222, a conical valley cavity 223, an overflow channel 23, a 231 accommodating cavity, a 232 exhaust groove, a lower forming surface 24, a cylindrical boss 241, an annular groove 242, a first boss 243, a second boss 244, a third boss 245, a convex plate 246 and a positioning recess 25.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to illustrate the technical solutions of the present invention more clearly and are not to be construed as a limitation.
Unless defined otherwise, technical or scientific terms used herein should be understood as having the ordinary meaning as understood by those of ordinary skill in the art. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1
An integral forming die of a motor rear end cover is provided with an upper die 1 and a lower die 2 which are oppositely arranged, as shown in figures 1 to 6; an upper mold core 11 is embedded in the upper mold 1; a lower mold core 21 is embedded in the lower mold 2; the upper mold core 11 and the lower mold core 21 are opposite in position and adaptive in shape and size, and the upper mold core 11 and the lower mold core 21 are matched to form a group of cavities; the lower surface of the upper mold core 11 is provided with an upper molding surface 14 corresponding to the cavity; the upper surface of the lower mold core 21 is provided with a lower molding surface 24 corresponding to the cavity; one side of the lower mold core 21 is connected with a material injection seat 22; a runner is connected between the material injection seat 22 and each cavity; one side of the upper mold core 11 is provided with a material injection cylinder 12 matched with the material injection seat 22; the sprue bushing 12 communicates with the sprue cup 22 when the mold is closed.
Furthermore, a flow distribution nozzle 221 is arranged on the material injection seat 22; the upper surface of the lower mold core 21 is provided with two die-casting branches 222 connected with the flow distribution nozzle 221; the die-casting lane 222 is connected with the cavity; the die-casting lane 222 is provided with a tapered valley 223 at an end adjacent to the die cavity.
Further, the other side of the lower forming surface 24, which is opposite to the die-casting branch, is provided with at least one overflow channel 23; the overflow channel 23 comprises a containing cavity 231 and an exhaust groove 232; the accommodating chamber 231 is connected with the cavity; one end of the exhaust groove 232 is connected with the accommodating cavity 231, and the other end is communicated with the outside of the cavity.
Further, the edge of the lower molding surface 24 is provided with a ring groove 242 recessed into the lower mold core 21; the annular groove 242 has a plurality of annular array of raised plates 246 therein, the outer side of the raised plates 246 contacting the inner side of the annular groove 242. Preferably, eight of the raised plates 246 are angled at 45 ° to each other, each raised plate 246 being independent of the other.
Further, a first boss 243 is provided inside the ring groove 242; a second boss 244 and a third boss 245 are arranged along the inner groove wall of the other side of the ring groove 242 opposite to the first boss 243; the second boss 244 is independent of the third boss 245.
Further, the center of the lower molding surface 24 is provided with a cylindrical boss 241; a cylindrical boss 241 is provided on the concave upper surface of the first boss 243.
Furthermore, four corners of the lower surface of the upper mold core 11 are provided with positioning protrusions 13, four corners of the upper surface of the lower mold core 21 are provided with positioning recesses 25, and the positioning protrusions 13 are opposite to the positioning recesses 25 and are adaptive to the shape and size.
The above embodiments are exemplary and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (7)

1. The utility model provides an integrated into one piece mould of motor rear end cap which characterized in that: comprises an upper die (1) and a lower die (2) which are oppositely arranged; an upper mold core (11) is embedded in the upper mold (1); a lower mold core (21) is embedded in the lower mold (2); the upper mold core (11) and the lower mold core (21) are matched to form a group of cavities; the lower surface of the upper mold core (11) is provided with an upper molding surface (14) corresponding to the cavity; the upper surface of the lower mold core (21) is provided with a lower molding surface (24) corresponding to the cavity; one side of the lower mold core (21) is connected with a material injection seat (22); a runner is connected between the material injection seat (22) and each cavity; a material injection cylinder (12) matched with the material injection seat (22) is arranged on one side of the upper mold core (11); when the die is closed, the material injection barrel (12) is communicated with the material injection seat (22).
2. The integrated molding die for the motor rear end cover according to claim 1, wherein: a shunting nozzle (221) is arranged on the material injection seat (22); the upper surface of the lower mold core (21) is provided with two die-casting sub-channels (222) connected with the flow distribution nozzle (221); the die-casting lane (222) is connected with the cavity; one end of the die-casting lane (222) close to the cavity is provided with a conical valley cavity (223).
3. The integrated molding die for the motor rear end cover according to claim 2, wherein: the other side of the lower forming surface (24) relative to the die-casting branch passage (222) is provided with at least one overflow channel (23); the overflow channel (23) comprises an accommodating cavity (231) and an exhaust groove (232); the accommodating cavity (231) is connected with the cavity; one end of the exhaust groove (232) is connected with the containing cavity (231), and the other end of the exhaust groove is communicated with the outside of the cavity.
4. The integrated molding die for the motor rear end cover according to claim 1, wherein: the edge of the lower forming surface (24) is provided with a ring groove (242) which is sunken into the lower mold core (21); the annular groove (242) is internally provided with a group of convex plates (246) distributed in an annular array, and the outer sides of the convex plates (246) are in contact with the inner sides of the annular groove (242).
5. The integrated molding die for the motor rear end cover according to claim 4, wherein: a first boss (243) is arranged on the inner side of the ring groove (242); a second boss (244) and a third boss (245) are arranged along the inner groove wall of the other side, opposite to the first boss (243), of the ring groove (242); the second boss (244) and the third boss (245) are independent of each other.
6. The integrated molding die for the motor rear end cover according to claim 5, wherein: the center of the lower molding surface (24) is provided with a cylindrical boss (241); the cylindrical boss (241) is arranged on the concave upper surface of the first boss (243).
7. The integrated molding die for the motor rear end cover according to claim 1, wherein: go up four corners of mold core (11) lower surface and all be equipped with location arch (13), four corners of lower mold core (21) upper surface all are equipped with location sunken (25), location arch (13) and location sunken (25) relative and the form size of position suits.
CN202220846046.5U 2022-04-13 2022-04-13 Integrated into one piece mould of motor rear end cap Active CN217433001U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220846046.5U CN217433001U (en) 2022-04-13 2022-04-13 Integrated into one piece mould of motor rear end cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220846046.5U CN217433001U (en) 2022-04-13 2022-04-13 Integrated into one piece mould of motor rear end cap

Publications (1)

Publication Number Publication Date
CN217433001U true CN217433001U (en) 2022-09-16

Family

ID=83217800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220846046.5U Active CN217433001U (en) 2022-04-13 2022-04-13 Integrated into one piece mould of motor rear end cap

Country Status (1)

Country Link
CN (1) CN217433001U (en)

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