阅读说明：本技术 缸套离心铸造机 (Cylinder sleeve centrifugal casting machine ) 是由 周国荣 于 2019-12-10 设计创作，主要内容包括：本发明属于汽车零部件铸造加工技术领域,具体涉及一种缸套离心铸造机,包括浇铸单元和离心单元,所述离心单元包括沿水平轴线转动设置的筒状模具本体,所述浇铸单元用于将浇铸液导入筒状模具本体内部,所述浇铸单元沿筒状模具本体轴向活动设置；所述离心单元包括脱模装置,所述脱模装置用于将成型后的缸套从筒状模具本体内部顶出,所述浇铸通道外侧的下方还设有缸套导出装置,缸套导出装置用于对顶出的缸套进行导送和收集。本发明的缸套离心铸造系统将第一端板和第二端板设置为活动式结构,缸套成型后,利用第一端板将缸套从模具中顶出,实现了铸件的自动脱模,提高了缸套铸造加工效率。(The invention belongs to the technical field of automobile part casting and processing, and particularly relates to a cylinder sleeve centrifugal casting machine which comprises a casting unit and a centrifugal unit, wherein the centrifugal unit comprises a cylindrical mould body which is rotationally arranged along a horizontal axis, the casting unit is used for guiding casting liquid into the cylindrical mould body, and the casting unit is movably arranged along the axial direction of the cylindrical mould body; the centrifugal unit comprises a demoulding device, the demoulding device is used for ejecting the formed cylinder sleeve out of the cylindrical mould body, a cylinder sleeve guiding device is further arranged below the outer side of the casting channel, and the cylinder sleeve guiding device is used for guiding and collecting the ejected cylinder sleeve. According to the centrifugal casting system for the cylinder sleeve, the first end plate and the second end plate are arranged to be movable, and the cylinder sleeve is ejected out of the mold by the first end plate after the cylinder sleeve is formed, so that automatic demolding of a casting is realized, and the casting and processing efficiency of the cylinder sleeve is improved.)

1. The utility model provides a cylinder liner centrifugal casting machine which characterized in that: the casting device comprises a casting unit and a centrifugal unit, wherein the centrifugal unit comprises a cylindrical mold body which is rotatably arranged along a horizontal axis, a first end plate is arranged at a first end of the cylindrical mold body, a second end plate is arranged at a second end of the cylindrical mold body, a casting channel is arranged at the center of the second end plate, the casting unit is positioned outside the casting channel, the casting unit is used for guiding casting liquid into the cylindrical mold body, and the casting unit is movably arranged along the axial direction of the cylindrical mold body; the centrifugal unit comprises a demoulding device, the demoulding device is used for ejecting the formed cylinder sleeve out of the cylindrical mould body, a cylinder sleeve guiding device is further arranged below the outer side of the casting channel, and the cylinder sleeve guiding device is used for guiding, conveying and collecting the ejected cylinder sleeve.

2. The cylinder liner centrifugal caster of claim 1, wherein: the cylinder sleeve guiding device comprises at least two guide rods arranged in parallel, the length direction of each guide rod is perpendicular to the axis direction of the cylindrical die body, and the two ends of each guide rod are inclined up and down.

3. The cylinder liner centrifugal caster of claim 1, wherein: the first end of the cylindrical die body is connected with a main shaft of a die rotation driving motor through a rotating shaft and a coupler.

4. The cylinder liner centrifugal caster of claim 1, wherein: the first end plate and the second end plate are both of annular structures, and are in sliding fit with the cylindrical die body along the axial direction of the cylindrical die body; the demoulding device comprises a clamping jaw which is arranged in a center hole of the first end plate, can be opened and closed along the radial direction of the cylindrical mould body and can move along the axial direction of the cylindrical mould body, and a driving assembly which is arranged beside the cylindrical mould body and is used for driving the first end plate, the second end plate and the clamping jaw to move.

5. The cylinder liner centrifugal caster of claim 4, wherein: the driving assembly comprises a driving disc, the driving disc is arranged in a sliding mode along the axis direction of the cylindrical die body, the clamping jaw is in a long strip shape, a strip-shaped hole is formed in the clamping jaw, the clamping jaw is in sliding pin joint with a hinged support arranged on the first end plate through the strip-shaped hole, one end of the clamping jaw is hinged with a first guide pillar, the first guide pillar is fixedly connected with the driving disc, and a hinged shaft between the clamping jaw and the first guide pillar is closer to the axis of the cylindrical die body than the hinged support; when the first guide pillar slides towards the second end of the cylindrical die body relative to the first end plate, the included angle between the clamping jaw and the axis of the cylindrical die body is gradually increased, and when the first guide pillar slides towards the first end of the cylindrical die body relative to the first end plate, the included angle between the clamping jaw and the cylindrical die body is gradually decreased.

6. The cylinder liner centrifugal caster of claim 5, wherein: the driving assembly comprises a driving disc, a shifting fork, a driving assembly and a sliding block, wherein an annular groove is formed in the outer annular surface of the driving disc, two idler wheels are symmetrically arranged in the annular groove, the axes of the idler wheels are perpendicular to the axis of the driving disc, the idler wheels are rotatably arranged on the shifting fork, the driving assembly further comprises an electric cylinder arranged in the direction parallel to the axis of the cylindrical die body, and the shifting fork is fixedly connected with the sliding block of the; the first end plate is in sliding fit with a first cover plate fixedly arranged at the first end of the cylindrical die body through a second guide pillar; a second cover plate is arranged on the outer side of the second end plate, a heat insulation pad is arranged between the second cover plate and the second end plate, and the second cover plate is in sliding fit with the cylindrical die body through a third guide pillar; the driving assembly further comprises a gear rod arranged on the outer side of the second cover plate, the gear rod is fixedly connected with a sliding block of the electric cylinder, and the gear rod is in blocking connection with the outer side of the second cover plate.

7. The cylinder liner centrifugal caster of claim 6, wherein: the jack catch sets up 3 at least along the even interval of the circumference of tube-shape mould body.

8. The cylinder liner centrifugal casting machine according to claim 1 or 7, characterized in that: the casting unit comprises a bowl-shaped receiving groove and a fixed flow channel connected with the bowl-shaped receiving groove, a rotating body is sleeved on the fixed flow channel and rotatably arranged along a rotating shaft parallel to the length direction of the fixed flow channel, a movable flow channel is formed in the rotating body and penetrates from the inner annular surface of the rotating body to the outer annular surface of the rotating body, and the movable flow channel is spirally arranged.

9. The cylinder liner centrifugal caster of claim 8, wherein: the movable flow channel is a double-spiral structure symmetrically extending from the middle part of the revolving body to two ends of the revolving body respectively; the end part of the fixed flow channel is correspondingly arranged at the intersection of the double helix; the diameter of the inner ring surface of the revolving body is gradually increased from the intersection of the double spirals to the two ends of the revolving body; the bowl-shaped material receiving groove, the fixed runner and the revolving body are all made of high-temperature-resistant ceramics.

10. The cylinder liner centrifugal caster of claim 9, wherein: the centrifugal casting pouring gate is arranged on a sliding seat, the sliding seat is arranged on a sliding rail which is arranged in parallel to the axis of the revolving body in a sliding mode, and the sliding rail is an electric sliding rail; a rotary driving motor is arranged on the sliding seat, and the rotary body is arranged on a bearing seat arranged on the sliding seat through a bearing; the outer ring surface of the revolving body is provided with a driven gear, a main shaft of the revolving driving motor is provided with a driving gear, and the driving gear is meshed with the driven gear.

Technical Field

The invention belongs to the technical field of automobile part casting and processing, and particularly relates to a cylinder sleeve centrifugal casting machine.

Background

The engine cylinder sleeve is generally manufactured by adopting a centrifugal casting process, the existing centrifugal casting equipment needs to depend on a large amount of manual operation, for example, the processes of mold closing, pouring, mold opening, mold stripping and the like need to be manually operated, the labor intensity is high, and the production efficiency is low; in addition, the centrifugal casting equipment in the prior art is generally a fixed pouring channel, namely, the casting liquid flows into the mold from a fixed position, so that the casting liquid in the mold is unevenly distributed, the molding period is prolonged, and the cylinder sleeve is easy to generate local internal stress to influence the molding quality of the cylinder sleeve.

Disclosure of Invention

The invention aims to provide a cylinder sleeve centrifugal casting machine capable of realizing automatic demolding of a cylinder sleeve, and the cylinder sleeve centrifugal casting machining efficiency is improved.

The technical scheme adopted by the invention is as follows:

a cylinder sleeve centrifugal casting machine comprises a casting unit and a centrifugal unit, wherein the centrifugal unit comprises a cylindrical mold body which is rotatably arranged along a horizontal axis, a first end plate is arranged at a first end of the cylindrical mold body, a second end plate is arranged at a second end of the cylindrical mold body, a casting channel is formed in the center of the second end plate, the casting unit is positioned outside the casting channel, the casting unit is used for guiding casting liquid into the cylindrical mold body, and the casting unit is movably arranged along the axial direction of the cylindrical mold body; the centrifugal unit comprises a demoulding device, the demoulding device is used for ejecting the formed cylinder sleeve out of the cylindrical mould body, a cylinder sleeve guiding device is further arranged below the outer side of the casting channel, and the cylinder sleeve guiding device is used for guiding and collecting the ejected cylinder sleeve.

The cylinder sleeve guiding device comprises at least two guide rods arranged in parallel, the length direction of each guide rod is perpendicular to the axis direction of the cylindrical die body, and the two ends of each guide rod are inclined up and down.

The first end of the cylindrical die body is connected with a main shaft of a die rotation driving motor through a rotating shaft and a coupler.

The first end plate and the second end plate are both of annular structures, and are in sliding fit with the cylindrical die body along the axial direction of the cylindrical die body; the demoulding device comprises a clamping jaw which is arranged in a center hole of the first end plate, can be opened and closed along the radial direction of the cylindrical mould body and can move along the axial direction of the cylindrical mould body, and a driving assembly which is arranged beside the cylindrical mould body and is used for driving the first end plate, the second end plate and the clamping jaw to move.

The driving assembly comprises a driving disc, the driving disc is arranged in a sliding mode along the axis direction of the cylindrical die body, the clamping jaw is in a long strip shape, a strip-shaped hole is formed in the clamping jaw, the clamping jaw is in sliding pin joint with a hinged support arranged on the first end plate through the strip-shaped hole, one end of the clamping jaw is hinged with a first guide pillar, the first guide pillar is fixedly connected with the driving disc, and a hinged shaft between the clamping jaw and the first guide pillar is closer to the axis of the cylindrical die body than the hinged support; when the first guide pillar slides towards the second end of the cylindrical die body relative to the first end plate, the included angle between the clamping jaw and the axis of the cylindrical die body is gradually increased, and when the first guide pillar slides towards the first end of the cylindrical die body relative to the first end plate, the included angle between the clamping jaw and the cylindrical die body is gradually decreased.

The driving assembly comprises a driving disc, a shifting fork, a driving assembly and a sliding block, wherein an annular groove is formed in the outer annular surface of the driving disc, two idler wheels are symmetrically arranged in the annular groove, the axes of the idler wheels are perpendicular to the axis of the driving disc, the idler wheels are rotatably arranged on the shifting fork, the driving assembly further comprises an electric cylinder arranged in the direction parallel to the axis of the cylindrical die body, and the shifting fork is fixedly connected with the sliding block of the; the first end plate is in sliding fit with a first cover plate fixedly arranged at the first end of the cylindrical die body through a second guide pillar; a second cover plate is arranged on the outer side of the second end plate, a heat insulation pad is arranged between the second cover plate and the second end plate, and the second cover plate is in sliding fit with the cylindrical die body through a third guide pillar; the driving assembly further comprises a gear rod arranged on the outer side of the second cover plate, the gear rod is fixedly connected with a sliding block of the electric cylinder, and the gear rod is in blocking connection with the outer side of the second cover plate.

The jack catch sets up 3 at least along the even interval of the circumference of tube-shape mould body.

The casting unit comprises a bowl-shaped receiving groove and a fixed flow channel connected with the bowl-shaped receiving groove, a rotating body is sleeved on the fixed flow channel and rotatably arranged along a rotating shaft parallel to the length direction of the fixed flow channel, a movable flow channel is formed in the rotating body and penetrates from the inner annular surface of the rotating body to the outer annular surface of the rotating body, and the movable flow channel is spirally arranged.

The movable flow channel is a double-spiral structure symmetrically extending from the middle part of the revolving body to two ends of the revolving body respectively; the end part of the fixed flow channel is correspondingly arranged at the intersection of the double helix; the diameter of the inner ring surface of the revolving body is gradually increased from the intersection of the double spirals to the two ends of the revolving body; the bowl-shaped material receiving groove, the fixed runner and the revolving body are all made of high-temperature-resistant ceramics.

The centrifugal casting pouring gate is arranged on a sliding seat, the sliding seat is arranged on a sliding rail which is arranged in parallel to the axis of the revolving body in a sliding mode, and the sliding rail is an electric sliding rail; a rotary driving motor is arranged on the sliding seat, and the rotary body is arranged on a bearing seat arranged on the sliding seat through a bearing; the outer ring surface of the revolving body is provided with a driven gear, a main shaft of the revolving driving motor is provided with a driving gear, and the driving gear is meshed with the driven gear.

The invention has the technical effects that: according to the centrifugal casting system for the cylinder sleeve, the first end plate and the second end plate are arranged to be movable, and the cylinder sleeve is ejected out of the mold by the first end plate after the cylinder sleeve is formed, so that automatic demolding of a casting is realized, and the casting and processing efficiency of the cylinder sleeve is improved.

Drawings

FIG. 1 is a perspective view of a centrifugal casting system provided by an embodiment of the present invention;

FIG. 2 is a side view of a centrifugal casting system provided by an embodiment of the present invention;

FIG. 3 is a top view of a centrifugal casting system provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a perspective view of a demolding device provided in accordance with an embodiment of the present invention;

FIG. 6 is a perspective view showing the internal structure of the ejector according to the embodiment of the present invention;

FIG. 7 is a perspective view of a casting unit provided by an embodiment of the present invention;

fig. 8 is a cross-sectional view of a drive assembly provided by an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.