CN217474789U - Metal mold casting device for roller production - Google Patents
Metal mold casting device for roller production Download PDFInfo
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- CN217474789U CN217474789U CN202123357675.6U CN202123357675U CN217474789U CN 217474789 U CN217474789 U CN 217474789U CN 202123357675 U CN202123357675 U CN 202123357675U CN 217474789 U CN217474789 U CN 217474789U
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- rifling
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Abstract
The utility model discloses a metal mold casting device for roller production, which relates to the technical field of roller manufacturing and comprises a metal mold and a metal bottom box, wherein two processing rifling lines are arranged at the contact surface of the metal bottom box and a casting; the distance between the two processing rifling is 5mm, the width of the processing rifling is 1mm, the depth of the processing rifling is 2mm, and the bottom of the processing rifling is provided with a round angle; the metal bottom box is matched with the metal mold. The utility model discloses make whole easy operation, be convenient for eliminate the loose defect quality problems of roll axle journal, improve product quality, the simplified operation flow, convenient to use spraying mode is molding.
Description
Technical Field
The utility model belongs to the technical field of the roll manufacturing technique and specifically relates to a metal mold casting device for roll production.
Background
With the development of iron and steel enterprises, roller ultrasonic flaw detection is used as a big index of roller quality detection, steel mills have more and more strict requirements on roller flaw detection, and part of users require that rollers penetrate in the full radial direction and do not allow the condition of bottom wave attenuation. Because the roll neck of the roll has a hot spot, the roll neck core part is easy to loose due to the conventional sand casting, bottom wave attenuation occurs during flaw detection, and a fracture accident occurs in the use process seriously. The mold is an important device in the casting industry, and the quality of the mold directly influences the quality of a casting. The production mode of the traditional casting is time-consuming and labor-consuming, the labor cost is high, the process effect cannot be unified due to the fact that all steps are manually operated, and the quality consistency of the produced casting is low. The metal mold casting method is widely applied due to the advantages of high production efficiency, clean working environment, smooth casting surface, compact internal structure and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a metal mold casting device for roll production for overall operation is simple, is convenient for eliminate the loose defect quality problem of roll axle journal, improves product quality, simplifies the operation flow, and convenient to use spraying mode is molding.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a metal mold casting device for roller production comprises a metal mold and a metal bottom box, wherein two processing rifling lines are arranged on the contact surface of the metal bottom box and a casting; the distance between the two processing rifling is 5mm, the width of the processing rifling is 1mm, the depth of the processing rifling is 2mm, and the bottom of the processing rifling is provided with a round angle; the metal bottom box is matched with the metal mold.
The utility model discloses technical scheme's further improvement lies in: the processing rifling is horizontally arranged.
The utility model discloses technical scheme's further improvement lies in: the metal bottom box further comprises a left half die, a right half die and a clamping mechanism, and the metal mold is clamped inside the metal bottom box.
The utility model discloses technical scheme's further improvement lies in: the metal bottom box further comprises a stretching column fixedly connected to the outer side wall surface of the metal bottom box, and the axis of the stretching column is perpendicular to the axis of the metal bottom box.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model discloses make overall operation simple, be convenient for eliminate the loose defect quality problem of roll journal, improved product quality, simplified operation flow, convenient to use spraying mode molding.
Drawings
FIG. 1 is a schematic view of a half-section structure of a casting of the present invention;
fig. 2 is a schematic cross-sectional view of a metal type rifling of the present invention;
the method comprises the following steps of 1, a metal bottom box, 2, a processing rifling, 3, a non-pouring part and 4, and extending out of a column.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 and 2, a metal mold casting device for roll production comprises a metal mold and a metal bottom case 1, wherein the metal mold is clamped in the metal bottom case 1. The inner side wall surface of the metal bottom box 1 comprises a pouring part and a non-pouring part 3, and a casting part is provided with a processing rifling 2.
Two processing rifling lines 2 are arranged on the contact surface of the metal bottom box 1 and the casting; the distance between the two processing rifling 2 is 5mm, the width of the processing rifling 2 is 1mm, the depth of the processing rifling 2 is 2mm, and the bottom of the processing rifling 2 is provided with a fillet; the metal bottom box 1 is matched with a metal mold; the processing rifling 2 is horizontally arranged.
The metal bottom box 1 further comprises a left half die, a right half die and a clamping mechanism.
The metal bottom case 1 further comprises a stretching column 4 fixedly connected to the outer side wall surface of the metal bottom case 1, and the axis of the stretching column 4 is perpendicular to the axis of the metal bottom case 1.
Working principle or using method:
manufacturing a metal bottom box 1 made of HT200, heating the bottom box to a certain temperature by adopting a resistance furnace, spraying a coating with a certain thickness on the contact surface of the metal bottom box 1 and the poured molten iron, filling the non-contact part with water glass self-hardening sand, and assembling the metal bottom box 1 and a cold mold for pouring.
The method comprises the following steps:
1. the size of the metal bottom box 1 is designed according to the size of the roller, and the material of the metal bottom box 1 is HT 200.
2. And a processing rifling 2 is arranged on the contact surface of the inner wall of the box body and the roll casting.
3. And filling water glass self-hardening sand on the non-contact part of the manufactured bottom box and the casting.
4. The metal bottom box 1 is placed in a resistance furnace, and the sand box is heated to 100-150 ℃.
5. And (3) placing the heated metal bottom box 1 on a spraying frame, and spraying quartz powder coating with the thickness of 4-5mm on the contact surface of the bottom box and the casting by using a spray gun.
6. And assembling the metal bottom box 1 and the cold mold, and then pouring for use.
Claims (4)
1. A metal mold casting device for roll production, includes metal mold and metal bottom case (1), its characterized in that: two processing rifling lines (2) are arranged on the contact surface of the metal bottom box (1) and the casting; the distance between the two processing rifling lines (2) is 5mm, the width of each processing rifling line (2) is 1mm, the depth of each processing rifling line (2) is 2mm, and the bottom of each processing rifling line (2) is provided with a fillet; the metal bottom box (1) is matched with the metal mold.
2. A metal mold casting apparatus for roll production as set forth in claim 1, wherein: the processing rifling (2) is horizontally arranged.
3. The metal mold casting apparatus for roll production as claimed in claim 1, wherein: the metal bottom box (1) further comprises a left half die, a right half die and a clamping mechanism, and the metal mold is clamped inside the metal bottom box (1).
4. The metal mold casting apparatus for roll production as claimed in claim 1, wherein: the metal bottom box (1) further comprises a stretching column (4) fixedly connected to the outer side wall surface of the metal bottom box (1), and the axis of the stretching column (4) is perpendicular to the axis of the metal bottom box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357675.6U CN217474789U (en) | 2021-12-29 | 2021-12-29 | Metal mold casting device for roller production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357675.6U CN217474789U (en) | 2021-12-29 | 2021-12-29 | Metal mold casting device for roller production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217474789U true CN217474789U (en) | 2022-09-23 |
Family
ID=83303626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123357675.6U Active CN217474789U (en) | 2021-12-29 | 2021-12-29 | Metal mold casting device for roller production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217474789U (en) |
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2021
- 2021-12-29 CN CN202123357675.6U patent/CN217474789U/en active Active
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