CN211248137U - Mine car wheel die forging device - Google Patents
Mine car wheel die forging device Download PDFInfo
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- CN211248137U CN211248137U CN201921774172.9U CN201921774172U CN211248137U CN 211248137 U CN211248137 U CN 211248137U CN 201921774172 U CN201921774172 U CN 201921774172U CN 211248137 U CN211248137 U CN 211248137U
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- die
- upper die
- lower die
- mine car
- car wheel
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Abstract
The utility model discloses a mine car wheel die forging device belongs to mine car accessory field. The die forging device for the mine car wheel comprises a forging hammer and a hydraulic press, wherein the hydraulic press comprises an upper die, a lower die and a hydraulic oil cylinder; the upper die is arranged below the upper die base, the lower die is arranged above the lower die base, and the hydraulic oil cylinder is connected with the upper die base; the upper die and the lower die are both disc-shaped, the center of the upper die is provided with a central hole, and the lower end surface of the upper die is provided with a circle of convex radials forming rings; a raised shaft hole forming core column is arranged in the center of the upper end face of the lower die, a circle of raised inner tread forming circular ring is arranged between the shaft hole forming core column and the edge of the lower die, and a raised through hole forming cylinder is arranged on the inner tread forming circular ring; an outer tread forming ring is arranged between the edge of the upper die and the edge of the lower die. The utility model overcomes mine car wheel produces shrinkage cavity, shrinkage porosity, gas pocket in casting process, has avoided the casting wheel to appear fracture and disconnection phenomenon in using.
Description
Technical Field
The utility model relates to a mine car accessory field especially indicates a mine car wheel die forging device.
Background
The mine car is a standard or narrow-gauge railway carrying vehicle for conveying bulk materials such as ores, waste rocks, coal and the like in mines and is generally pulled by a locomotive or a winch. The mine car is mainly used for track transportation of underground roadways, shafts and the ground of mines. Mine wheels are important components of mining vehicles, and existing mine wheels are mainly manufactured through casting processes. Due to the limitation of the traditional casting process, the material of the cast mine car wheel is unstable, so that the cut and sand holes are easy to generate, the 100 percent qualification rate of the mine car wheel is difficult to ensure, and the later-stage cost is increased and mine car accidents are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a mine car wheel die forging device has overcome mine car wheel and has produced shrinkage cavity, shrinkage porosity, gas pocket in the casting process, has avoided appearing fracture and breaking phenomenon in the casting wheel uses.
The utility model provides a technical scheme as follows:
a die forging device for mine car wheels comprises a forging hammer and a hydraulic press, wherein the hydraulic press comprises an upper die, a lower die and a hydraulic oil cylinder; the upper die is arranged below the upper die base, the lower die is arranged above the lower die base, and the hydraulic oil cylinder is connected with the upper die base; the upper die and the lower die are both disc-shaped, a central hole is formed in the center of the upper die, and a circle of convex spoke plate forming circular ring is arranged on the lower end face of the upper die; a convex shaft hole forming core column is arranged in the center of the upper end face of the lower die, a circle of convex inner tread forming circular ring is arranged between the shaft hole forming core column and the edge of the lower die, and a convex through hole forming cylinder is arranged on the inner tread forming circular ring; and an outer tread forming ring is arranged between the edge of the upper die and the edge of the lower die.
Further, the mine car wheel die forging device further comprises an upper fixing seat, and the hydraulic oil cylinder is arranged on the upper fixing seat.
Further, the mine car wheel die forging device further comprises at least two side columns, one ends of the side columns are connected with the upper fixing seat, and the other ends of the side columns are connected with the lower die seat.
Further, the mine car wheel die forging device further comprises at least two slide bars, and the upper die base penetrates through the slide bars.
Furthermore, outer tread shaping ring is the hollow cylinder of horn mouth in the upper end area, the up end of outer tread shaping ring all is provided with the bellied location mesa of round with terminal surface down, outer tread shaping ring periphery is provided with a plurality of strengthening ribs.
The utility model discloses following beneficial effect has:
the utility model discloses in, promote steel material recrystallization and crystalline grain to refine after the forging hammer forges, the steel billet structure becomes fine and close, and hardness improves, and the mine car wheel after the punching press is hard wear-resisting, no longer fracture and disconnection appear, durable, and life is high. The utility model discloses a mine car wheel die forging device, the high strength mine car wheel that obtains after the die forging, overcome mine car wheel and produced shrinkage cavity, shrinkage porosity, gas pocket in the casting process, avoided appearing fracture and breaking phenomenon in the casting wheel uses.
Drawings
Fig. 1 is a schematic view of a hydraulic press of a mine car wheel die forging device of the present invention;
FIG. 2 is a schematic view of an outer tread forming ring.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a mine car wheel die forging device, as shown in figure 1, including forging hammer (not shown in the figure) and hydraulic press, the hydraulic press includes mould 1, lower mould 2 and hydraulic cylinder 3. The upper die 1 is arranged below the upper die base 4, the lower die 2 is arranged above the lower die base 5, and the hydraulic oil cylinder 3 is connected with the upper die base 4. The upper die 1 and the lower die 2 are both disc-shaped, a central hole 6 is formed in the center of the upper die 1, and a circle of convex spoke plate forming circular ring 7 is arranged on the lower end face of the upper die 1 and used for forming a spoke plate of a mine wheel. The center of the upper end face of the lower die 2 is provided with a convex shaft hole forming core column 8 for forming a shaft hole of a mine car wheel. A circle of raised inner tread molding circular ring 9 is arranged between the shaft hole molding core column 8 and the edge of the lower die and used for forming an inner tread of the mine car wheel. The inner tread forming ring 9 is provided with a raised through hole forming cylinder 10 for forming a through hole on the mine car wheel; an outer tread forming ring 11 is arranged between the edge of the upper die 1 and the edge of the lower die 2 and used for forming the outer tread of the mine car wheel.
The working process of the utility model is as follows: the hot red steel billet (blanking according to the size of a mine wheel) is forged by a forging hammer, the forged hot red steel billet is placed on a lower die of a hydraulic press, and the steel billet is stamped by the pressure of a hydraulic oil cylinder through an upper die to be formed in one step.
After forging by a forging hammer, recrystallization and grain refinement of steel materials are promoted, the structure of a steel billet becomes compact, the hardness is improved, the punched mine car wheel is hard and wear-resistant, does not crack or break, and is firm, durable and long in service life. The utility model discloses a mine car wheel die forging device, the high strength mine car wheel that obtains after the die forging, overcome mine car wheel and produced shrinkage cavity, shrinkage porosity, gas pocket in the casting process, avoided appearing fracture and breaking phenomenon in the casting wheel uses.
This adaptation neotype mine car wheel die forging device can also include fixing base 12, and hydraulic cylinder 3 sets up on last fixing base 12.
For convenient support, the mine car wheel die forging device can also comprise at least two side columns 13, wherein one ends of the side columns 13 are connected with the upper fixed seat 12, and the other ends of the side columns 13 are connected with the lower die seat 5.
The mine car wheel die forging device can also comprise at least two sliding rods 14, and the upper die base 4 penetrates through the sliding rods 14 and is used for guiding the up-and-down movement of the upper die base.
As an improvement of the utility model, as shown in figure 2, the outer tread molding ring 11 is a hollow cylinder with a bell mouth 15 at the upper end, and is used for forming the outer tread of the mine car wheel. The upper end surface and the lower end surface of the outer tread forming ring 11 are provided with a circle of raised positioning table tops 16 and 17 which are used for aligning and positioning with the upper die and the lower die. The periphery of the outer tread forming ring 11 is provided with a plurality of reinforcing ribs 18, so that the service life of the outer tread forming ring is prolonged, and demolding is facilitated.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The die forging device for the mine car wheel is characterized by comprising a forging hammer and a hydraulic press, wherein the hydraulic press comprises an upper die, a lower die and a hydraulic oil cylinder; the upper die is arranged below the upper die base, the lower die is arranged above the lower die base, and the hydraulic oil cylinder is connected with the upper die base; the upper die and the lower die are both disc-shaped, a central hole is formed in the center of the upper die, and a circle of convex spoke plate forming circular ring is arranged on the lower end face of the upper die; a convex shaft hole forming core column is arranged in the center of the upper end face of the lower die, a circle of convex inner tread forming circular ring is arranged between the shaft hole forming core column and the edge of the lower die, and a convex through hole forming cylinder is arranged on the inner tread forming circular ring; and an outer tread forming ring is arranged between the edge of the upper die and the edge of the lower die.
2. The mine wheel swaging device of claim 1, further comprising an upper mount, wherein the hydraulic cylinder is disposed on the upper mount.
3. The mining wheel swaging device of claim 2, further comprising at least two side columns, wherein one end of each side column is connected with the upper fixing seat, and the other end of each side column is connected with the lower die seat.
4. The mining wheel swaging device of claim 3, further comprising at least two slide bars on which the upper die shoe is threaded.
5. The mining wheel die forging device according to any one of claims 1 to 4, wherein the outer tread forming ring is a hollow cylinder with a bell mouth at the upper end, a circle of raised positioning table surface is arranged on each of the upper end surface and the lower end surface of the outer tread forming ring, and a plurality of reinforcing ribs are arranged on the periphery of the outer tread forming ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774172.9U CN211248137U (en) | 2019-10-22 | 2019-10-22 | Mine car wheel die forging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774172.9U CN211248137U (en) | 2019-10-22 | 2019-10-22 | Mine car wheel die forging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211248137U true CN211248137U (en) | 2020-08-14 |
Family
ID=71962872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921774172.9U Active CN211248137U (en) | 2019-10-22 | 2019-10-22 | Mine car wheel die forging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211248137U (en) |
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2019
- 2019-10-22 CN CN201921774172.9U patent/CN211248137U/en active Active
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