CN210254163U - Die casting die of motor end cover - Google Patents
Die casting die of motor end cover Download PDFInfo
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- CN210254163U CN210254163U CN201920940508.8U CN201920940508U CN210254163U CN 210254163 U CN210254163 U CN 210254163U CN 201920940508 U CN201920940508 U CN 201920940508U CN 210254163 U CN210254163 U CN 210254163U
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- end cover
- die
- groove
- post
- setting
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Abstract
The utility model discloses a die casting die of motor end cover, belongs to the technical field of die casting die, aims at providing a die casting die of shaping motor end cover fast and efficiently, and its technical scheme main points are including last mould, set up lower mould, the liftout mechanism that is used for ejecting out the formed part below the last mould, the last mould bottom surface is equipped with the end cover groove of sunken setting, the end cover groove is sunken to be set up, end cover groove center department is equipped with the shaft groove, be equipped with the step section of thick bamboo rather than concentric setting in the shaft groove, the last mould bottom surface is equipped with the upper ring groove that sets up around the end cover groove, the even ring is equipped with 6 upper profiled bars in the upper ring groove; the lower mould top surface is equipped with the end cover post, end cover post center department is equipped with the axle sleeve post, end cover post top surface still is equipped with 4 short prismatic groove around the end cover post setting, the lower mould top surface is equipped with the lower annular around the setting of end cover post axis. Through the setting of this die casting die, can play the effect of quick, high-efficient ground shaping motor end cover.
Description
Technical Field
The utility model relates to a die casting die's technical field, in particular to die casting die of motor end cover.
Background
The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state.
The die casting has various shapes, and after the die casting work is finished, the die casting is ejected out of a pouring cavity by an ejector pin.
At present, a motor end cover as shown in fig. 1 and 2 needs to be produced, and the motor end cover includes an end cover plate 101, a ring plate 102 is annularly arranged on the end cover plate 101, a plurality of through holes 103 are annularly arranged on the ring plate 102, a shaft barrel 104 is arranged on the side of the end cover plate 101, which faces away from the ring plate 102, the shaft barrel 104 is arranged in a stepped manner, an inner barrel 105 is annularly arranged in the end cover barrel, and the end cover plate 101 is obliquely arranged from a peripheral edge to the shaft barrel 104. The end cover plate 101 is provided with 8 long ribs 106 arranged around the shaft cylinder 104 on the side facing the end cover cylinder, and the end cover plate 101 is further provided with 4 short ribs 107 arranged around the shaft cylinder 104 on the side facing the end cover cylinder.
If a cutting machining mode is adopted, the motor end cover has high precision requirement and high machining difficulty, the cutter is easily abraded or even damaged, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a die casting die of motor end cover has the advantage of shaping motor end cover fast high-efficiently.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a die-casting die for a motor end cover comprises an upper die, a lower die and an ejection mechanism, wherein the lower die is arranged below the upper die, the ejection mechanism is used for ejecting a formed part, a sunken end cover groove is formed in the bottom surface of the upper die, the end cover groove is sunken, a shaft groove is formed in the center of the end cover groove, a step cylinder concentric with the shaft groove is arranged in the shaft groove, an upper ring groove surrounding the end cover groove is formed in the bottom surface of the upper die, and 6 upper molding rods are uniformly and annularly arranged in the upper ring groove;
the lower mould top surface is equipped with the end cover post, end cover post center department is equipped with the axle sleeve post, the lower mould top surface is equipped with the step ring that encircles the axle sleeve post setting, the step ring corresponds the step section of thick bamboo setting, end cover post top surface is equipped with 8 long edge grooves that encircle end cover post axis setting, end cover post top surface still is equipped with 4 short edge grooves that encircle the end cover post setting, the lower mould top surface is equipped with the lower annular that encircles the setting of end cover post axis.
Through adopting above-mentioned technical scheme, the molten metal is poured into by pouring, flows to the die cavity in, thereby treats molten metal cooling shaping back in the die cavity, opens mould and lower mould and takes out fashioned motor end cover to quick shaping motor end cover has accelerated the shaping efficiency of motor end cover. Therefore, only the formed part needs to be trimmed through the cutter, the cutter is prevented from being directly adopted for machining, and the damage to the cutter is smaller.
Furthermore, a vertically-arranged pouring gate is arranged in the upper die, a vertically-arranged pouring post is arranged on the lower die, the pouring post is inserted into the pouring gate, and a guide groove arranged towards the die cavity is formed in the pouring post.
Through adopting above-mentioned technical scheme, the molten metal flows into the die cavity along watering, and the guide way has the guide effect to the molten metal, avoids the molten metal diffusion.
Furthermore, a diffusion flow channel is arranged between the pouring column and the die cavity, the diffusion flow channel comprises a flow guide channel communicated with the guide groove and an arc-shaped diffusion groove communicated with the flow guide channel, and the diffusion groove is communicated with the die cavity.
Through adopting above-mentioned technical scheme, the diffusion runner has accelerated the diffusion rate of molten metal to make molten metal can spread fast to the die cavity in, avoid because each position molten metal cooling speed is different in the die cavity.
Furthermore, three guide blocks are arranged in the diffusion groove and are uniformly arranged along the arc edge of the diffusion groove.
Through adopting above-mentioned technical scheme, the guide block shunts the metal liquid, avoids ropy metal liquid to be difficult to the diffusion for the metal liquid can diffuse to the die cavity more fast.
Furthermore, the surface of the guide block is arranged in an inclined plane, and the surface of the guide block is arranged from high to low along the direction from the guide channel to the diffusion groove.
Through adopting above-mentioned technical scheme, the inclined plane of guide block forms the blade and shunts the molten metal, cuts off the viscous molten metal for the molten metal can diffuse to the mould intracavity more rapidly.
Furthermore, the top surface of the lower die is provided with five lower air chambers surrounding the lower annular groove, the top surface of the lower die is also provided with five air passages communicated with the lower air chambers, and the air passages are communicated to the outside of the die.
Through adopting above-mentioned technical scheme, the metal is poured into the die cavity through watering, and the air is crowded into down in the air pocket in the die cavity, outside rethread air flue discharge mould, avoids the air to sneak into in the formed part.
Furthermore, four positioning columns which are arranged in a rectangular mode are arranged in the lower die, and positioning holes for inserting the positioning columns are formed in the upper die.
Through adopting above-mentioned technical scheme, will go up mould and lower mould assembly together accurately through reference column and locating hole cooperation.
Furthermore, a top groove is formed in the bottom of the lower die, the ejection mechanism comprises a top plate arranged in the top groove, a top column vertically arranged is arranged on the top plate, the top column is connected with the lower die in a sliding mode, the ejection mechanism comprises a plurality of ejector pins arranged on the top plate, and the ejector pins are inserted into the lower air chamber.
By adopting the technical scheme, when the molded part needs to be ejected out, the top plate is pushed, and the ejector pin and the ejector rod move along with the top plate to eject the molded part out of the mold cavity.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the die-casting die, the effect of quickly and efficiently forming the motor end cover can be achieved;
2. the diffusion flow channel is arranged, so that the effect of accelerating the diffusion speed of the molten metal can be achieved;
3. through the setting of air flue, can play in avoiding the air to sneak into the formed part, the shaping effect of reinforcing formed part.
Drawings
FIG. 1 is a schematic diagram of a front side of a motor end cap of the prior art;
FIG. 2 is a schematic illustration of an inner side of a motor end cap of the prior art;
FIG. 3 is a schematic diagram of a die-casting mold for embodying a motor end cover in the embodiment;
FIG. 4 is a schematic view for embodying the upper mold in the embodiment;
FIG. 5 is a schematic view for embodying a lower die in the embodiment;
fig. 6 is a schematic diagram of the material ejecting mechanism in the embodiment.
In the figure, 1, an upper die; 11. a pouring channel; 12. an end cover groove; 13. a shaft groove; 14. a step cylinder; 15. an upper ring groove; 16. a molding rod; 17. an upper air chamber; 2. a lower die; 21. an end cap post; 22. a shaft cylinder; 23. a step ring; 24. a long edge groove; 25. short edge grooves; 26. a lower ring groove; 27. pouring columns; 28. a guide groove; 29. a diffusion flow channel; 291. a flow guide way; 292. a diffusion groove; 293. a guide block; 210. a lower air chamber; 211. a top groove; 3. a material ejecting mechanism; 31. a top plate; 32. a top pillar; 33. a thimble; 34. a pressure spring; 41. a positioning column; 42. positioning holes; 5. an airway; 101. an end cover plate; 102. a ring plate; 103. a through hole; 104. a shaft cylinder; 105. an inner barrel; 106. long ribs; 107. short ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a die-casting die for a motor end cover is shown in figure 3 and comprises an upper die 1, a lower die 2 arranged below the upper die 1 and an ejection mechanism 3 used for ejecting a formed part.
Go up the die cavity that forms between mould 1 and the lower mould 2 and be used for the shaping motor end cover, go up and be equipped with the watering 11 of vertical setting in the mould 1, water 11 intercommunication to the die cavity.
Four positioning columns 41 arranged in a rectangular shape are arranged on the top surface of the lower die 2, and four positioning holes 42 for inserting the positioning columns 41 are arranged in the upper die 1.
As shown in fig. 4, the bottom surface of the upper die 1 is provided with a recessed end cover groove 12, the end cover groove 12 is recessed, a shaft groove 13 is arranged at the center of the end cover groove 12, and a step cylinder 14 concentric with the shaft groove 13 is arranged in the shaft groove 13. An upper ring groove 15 surrounding the end cover groove 12 is arranged on the bottom surface of the upper die 1, and 6 upper molding rods 16 are uniformly arranged in the upper ring groove 15.
The bottom surface of the upper die 1 is provided with five upper air chambers 17 surrounding the end cover groove 12, the bottom surface of the upper die 1 is also provided with an air passage 5 communicated with the upper air chambers 17, and when the molten metal is injected into the die cavity, air in the die cavity is discharged into the upper air chambers 17 and then is discharged through the air passages 5.
As shown in fig. 5, the top surface of the lower mold 2 is provided with an end cap column 21, a shaft column 22 is arranged at the center of the top surface of the end cap column 21, the top surface of the lower mold 2 is provided with a step ring 23 surrounding the shaft column 22, and the step ring 23 is arranged corresponding to the step cylinder 14. The top surface of the end cap column 21 is provided with 8 long prismatic grooves 24 arranged around the axis of the end cap column 21, and the top surface of the end cap column 21 is also provided with 4 short prismatic grooves 25 arranged around the axis of the end cap column 21. The top surface of the lower die 2 is provided with a lower ring groove 26 arranged around the end cap column 21.
As shown in fig. 4 and 5, the lower mold 2 is provided with a vertically arranged pillar 27, the pillar 27 is inserted into the runner 11, and the pillar 27 is provided with a guide groove 28 arranged toward the cavity. Molten metal is poured into the guide groove 28 through the runner 11, and then poured into the cavity through the guide groove 28.
A diffusion flow channel 29 is arranged between the pouring column 27 and the die cavity, the diffusion flow channel 29 comprises a flow guide 291 communicated with the guide groove 28 and an arc diffusion groove 292 communicated with the flow guide 291, the diffusion groove 292 is communicated with the die cavity, three guide blocks 293 are arranged in the diffusion groove 292, and the three guide blocks 293 are uniformly arranged along the diffusion groove 292 along the arc edges of the diffusion groove 292. The surface of the guide block 293 is inclined, and the surface of the guide block 293 is arranged from high to low along the guide path toward the diffusion groove 292.
The diffusion flow channel 29 accelerates the diffusion speed of the molten metal, so that the molten metal can be rapidly diffused into the die cavity, and the guide block 293 can cut off the viscous molten metal to further accelerate the diffusion of the molten metal.
The top surface of the lower die 2 is provided with five lower air chambers 210 arranged around the lower annular groove 26, the lower air chambers 210 are arranged opposite to the upper air chamber 17, the top surface of the lower die 2 is also provided with five air passages 5 communicated with the lower air chambers 210, and the air passages 5 are communicated to the outside of the die. The lower air chamber 210 and the air duct 5 discharge air in the mold cavity, and air is prevented from mixing into the molded part.
As shown in fig. 5 and 6, a top groove 211 has been seted up to lower mould 2 bottom, liftout mechanism 3 is equipped with the fore-set 32 of vertical setting including setting up roof 31 in top groove 211 on the roof 31, withstands to go up the cover and is equipped with pressure spring 34, fore-set 32 and lower mould 2 sliding connection, liftout mechanism 3 includes a plurality of thimbles 33 that set up on roof 31, and thimble 33 inserts in lower air chamber 210.
When the molded part needs to be ejected, the top plate 31 is pushed, and the ejector pin 33 and the ejector rod move along with the top plate 31 to eject the molded part out of the mold cavity.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a die casting die of motor end cover, includes last mould (1), set up lower mould (2) of last mould (1) below, be used for with ejecting liftout mechanism (3) of formed part, its characterized in that: an end cover groove (12) which is arranged in a concave mode is formed in the bottom surface of the upper die (1), the end cover groove (12) is arranged in a concave mode, a shaft groove (13) is formed in the center of the end cover groove (12), a step cylinder (14) which is arranged concentrically with the shaft groove (13) is arranged in the shaft groove (13), an upper annular groove (15) which is arranged around the end cover groove (12) is formed in the bottom surface of the upper die (1), and 6 upper forming rods (16) are uniformly arranged in the upper annular groove (15) in a surrounding mode;
lower mould (2) top surface is equipped with end cover post (21), end cover post (21) center department is equipped with axle sleeve post (22), lower mould (2) top surface is equipped with step ring (23) that encircles axle sleeve post (22) setting, step ring (23) correspond step section of thick bamboo (14) setting, end cover post (21) top surface is equipped with 8 long edge groove (24) that encircle end cover post (21) axis setting, end cover post (21) top surface still is equipped with 4 short edge groove (25) that encircle end cover post (21) setting, lower mould (2) top surface is equipped with lower annular (26) that encircle end cover post (21) axis setting.
2. The die-casting die for the motor end cover as claimed in claim 1, wherein: the die is characterized in that a vertically-arranged pouring gate (11) is arranged in the upper die (1), a vertically-arranged pouring post (27) is arranged on the lower die (2), the pouring post (27) is inserted into the pouring gate (11), and a guide groove (28) arranged towards the die cavity is formed in the pouring post (27).
3. The die-casting die for the motor end cover as claimed in claim 2, wherein: be equipped with diffusion runner (29) between post (27) and the die cavity, diffusion runner (29) are including water conservancy diversion way (291) and arc diffusion groove (292) with water conservancy diversion way (291) intercommunication with guide way (28) intercommunication, diffusion groove (292) and die cavity intercommunication.
4. The die-casting die for the motor end cover as claimed in claim 3, wherein: three guide blocks (293) are arranged in the diffusion groove (292), and the three guide blocks (293) are uniformly arranged along the arc edge of the diffusion groove (292).
5. The die-casting die for the motor end cover as claimed in claim 4, wherein: the surface of the guide block (293) is arranged in an inclined plane, and the surface of the guide block (293) is arranged from high to low along the direction from the guide channel to the diffusion groove (292).
6. The die-casting die for the motor end cover as claimed in claim 1, wherein: the top surface of the lower die (2) is provided with five lower air chambers (210) arranged around the lower annular groove (26), the top surface of the lower die (2) is also provided with five air passages (5) communicated with the lower air chambers (210), and the air passages (5) are communicated to the outside of the die.
7. The die-casting die for the motor end cover as claimed in claim 1, wherein: four positioning columns (41) which are arranged in a rectangular mode are arranged in the lower die (2), and positioning holes (42) used for inserting the positioning columns (41) are formed in the upper die (1).
8. The die-casting die for the motor end cover as claimed in claim 1, wherein: top groove (211) have been seted up to lower mould (2) bottom, liftout mechanism (3) are including setting up roof (31) in top groove (211), be equipped with fore-set (32) of vertical setting on roof (31), fore-set (32) and lower mould (2) sliding connection, liftout mechanism (3) include a plurality of thimbles (33) of setting on roof (31), thimble (33) insert down in air chamber (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940508.8U CN210254163U (en) | 2019-06-20 | 2019-06-20 | Die casting die of motor end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940508.8U CN210254163U (en) | 2019-06-20 | 2019-06-20 | Die casting die of motor end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210254163U true CN210254163U (en) | 2020-04-07 |
Family
ID=70043911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940508.8U Expired - Fee Related CN210254163U (en) | 2019-06-20 | 2019-06-20 | Die casting die of motor end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210254163U (en) |
-
2019
- 2019-06-20 CN CN201920940508.8U patent/CN210254163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |