CN110744026A - Cylinder sleeve centrifugal casting machine - Google Patents
Cylinder sleeve centrifugal casting machine Download PDFInfo
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- CN110744026A CN110744026A CN201911260945.6A CN201911260945A CN110744026A CN 110744026 A CN110744026 A CN 110744026A CN 201911260945 A CN201911260945 A CN 201911260945A CN 110744026 A CN110744026 A CN 110744026A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/101—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/108—Removing of casting
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
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.
Description
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.
Example 1
As shown in fig. 1-4, a cylinder liner centrifugal casting system comprises a casting unit and a centrifugal unit, wherein the centrifugal unit comprises a cylindrical mold body 10 which is rotatably arranged along a horizontal axis, a first end plate 11 is arranged at a first end of the cylindrical mold body 10, a second end plate 12 is arranged at a second end of the cylindrical mold body 10, a casting channel is arranged at the center of the second end plate 12, the casting unit is positioned outside the casting channel, the casting unit is used for guiding casting liquid into the cylindrical mold body 10, and the casting unit is movably arranged along the axial direction of the cylindrical mold body 10; the centrifugal unit comprises a demolding device, the demolding device is used for ejecting the formed cylinder sleeve 1 out of the cylindrical mold body 10, a cylinder sleeve guiding device 50 is further arranged below the outer side of the casting channel, and the cylinder sleeve guiding device 50 is used for guiding and collecting the ejected cylinder sleeve 1. According to the centrifugal casting system for the cylinder sleeve 1, the first end plate 11 and the second end plate 12 are arranged to be movable, after the cylinder sleeve 1 is formed, the cylinder sleeve 1 is ejected out of a mold by the first end plate 11, so that automatic demolding of a casting is realized, and the casting processing efficiency of the cylinder sleeve 1 is improved.
Preferably, the cylinder jacket guiding device 50 includes at least two guide rods arranged in parallel, the length direction of the guide rods is perpendicular to the axial direction of the cylindrical mold body 10, and two ends of the guide rods are arranged in an up-and-down inclined manner. The cylinder sleeve 1 is directly dropped on the guide rod after being ejected by the first end plate 11, and the cylinder sleeve 1 rolls along the guide rod to a collecting station.
Preferably, the first end of the cylindrical mold body 10 is connected to a main shaft of a mold rotation driving motor 60 through a rotating shaft and a coupling 61, and is used for driving the cylindrical mold body 10 to rotate.
Further, as shown in fig. 6, the first end plate 11 and the second end plate 12 are both ring-shaped structures, and the first end plate 11 and the second end plate 12 form a sliding fit with the cylindrical die body 10 along the axial direction of the cylindrical die body 10; the demolding device comprises a claw 14 which is arranged in a center hole of the first end plate 11, can be opened and closed along the radial direction of the cylindrical mold body 10 and can move along the axial direction of the cylindrical mold body 10, and a driving assembly which is arranged beside the cylindrical mold body 10 and is used for driving the first end plate 11, the second end plate 12 and the claw 14 to move. The jack catch 14 can support the inner wall of the cylinder sleeve 1 after the cylinder sleeve 1 is molded, so that the inner coating of the mold is prevented from being damaged due to friction between the outer wall of the cylinder sleeve 1 and the bottom surface of the inner wall of the cylindrical mold body 10 during demolding, and the demolding resistance is reduced.
Specifically, as shown in fig. 4, 5, 6, and 8, the driving assembly includes a driving disc 20, the driving disc 20 is slidably disposed along an axial direction of the cylindrical mold body 10, the jaw 14 is in a long strip shape, a strip-shaped hole 141 is disposed on the jaw 14, the jaw 14 is slidably pivoted to a hinge support 18 disposed on the first end plate 11 through the strip-shaped hole 141, one end of the jaw 14 is hinged to a first guide pillar 15, the first guide pillar 15 is fixedly connected to the driving disc 20, and a hinge axis between the jaw 14 and the first guide pillar 15 is closer to an axial center of the cylindrical mold body 10 than the hinge support 18; when the first guide post 15 slides towards the second end of the cylindrical die body 10 relative to the first end plate 11, the included angle between the claw 14 and the axis of the cylindrical die body 10 gradually increases, and when the first guide post 15 slides towards the first end of the cylindrical die body 10 relative to the first end plate 11, the included angle between the claw 14 and the cylindrical die body 10 gradually decreases. The principle of the driving assembly is as follows: referring to fig. 4, before demolding starts, the jaws 14 are contracted to the right side of the first end plate 11, when the driving disc 20 starts to move left, the driving disc 20 firstly pushes the jaws 14 to move left, the jaws 14 are limited by the hinged support 18, the left ends of the jaws move left and approach to the inner wall of the cylinder sleeve 1, when the jaws 14 abut against the inner wall of the cylinder sleeve 1, the jaws 14 are locked relative to the first end plate 11, the jaws 14 start to drive the first end plate 11 to move left synchronously with the continuous left movement of the driving disc 20, the first end plate 11 pushes the cylinder sleeve 1 to move left, and at the moment, the cylinder sleeve 1 is clamped by the jaws 14, so that the horizontal posture is kept to be ejected to the outer side of the mold, and the cylinder sleeve 1 ejects the second end plate 12; after the cylinder sleeve 1 completely breaks away from the die, the driving disc 20 starts to move to the right, at this time, the driving disc 20 firstly drives the jaws 14 to move to the right, so that the jaws 14 are contracted to the right of the first end plate 11 again, at this time, the cylinder sleeve 1 loses the support of the jaws 14 and then drops downwards, along with the continuous right movement of the driving disc 20, the jaws 14 pull the first end plate 11 to move to the right through the hinged support 18, and finally, the first end plate 11 and the jaws 14 return to the initial station.
Furthermore, an annular groove is formed in the outer annular surface of the driving disc 20, two idler wheels 22 are symmetrically arranged in the annular groove, the axis of each idler wheel 22 is perpendicular to the axis of the driving disc 20, each idler wheel 22 is rotatably arranged on a shifting fork 21, the driving assembly further comprises an electric cylinder 40 which is arranged in the direction parallel to the axis of the cylindrical die body 10, and each shifting fork 21 is fixedly connected with a sliding block of each electric cylinder 40; the shifting fork 21 is connected with the driving disc 20 through the roller 22, and the driving disc 20 is driven to move axially while the driving disc 20 is ensured to rotate synchronously with the cylindrical die body 10.
Preferably, the first end plate 11 forms a sliding fit with a first cover plate 19 fixedly arranged at the first end of the cylindrical die body 10 through a second guide post 16; a second cover plate 13 is arranged on the outer side of the second end plate 12, a heat insulation pad 131 is arranged between the second cover plate 13 and the second end plate 12, and the second cover plate 13 is in sliding fit with the cylindrical die body 10 through a third guide pillar 17; the driving assembly further comprises a gear lever 41 arranged on the outer side of the second cover plate 13, the gear lever 41 is fixedly connected with a sliding block of the electric cylinder 40, and the gear lever 41 is in gear connection with the outer side of the second cover plate 13. The stop lever 41 can synchronously drive the second end plate 12 to reset when the driving disc 20 resets, and can limit the position of the second end plate 12 in the rotating process of the mold, and in practical use, a sliding ring or a ball bearing is arranged on one side of the stop lever 41, which is attached to the second cover plate 13, so as to reduce the friction between the stop lever 41 and the second cover plate 13.
Preferably, the number of the jaws 14 is 3 at regular intervals along the circumference of the cylindrical die body 10.
Further, as shown in fig. 4 and 7, the casting unit includes a bowl-shaped receiving groove 31 and a fixed flow channel 32 connected to the bowl-shaped receiving groove 31, a revolving body 30 is sleeved on the fixed flow channel 32, the revolving body 30 is rotatably disposed along a rotating shaft parallel to the length direction of the fixed flow channel 32, a movable flow channel 301 is disposed on the revolving body 30, the movable flow channel 301 penetrates from the inner annular surface of the revolving body 30 to the outer annular surface of the revolving body 30, and the movable flow channel 301 is spirally disposed. Specifically, the movable flow channel 301 is a double-spiral structure extending symmetrically from the middle of the revolving body 30 to two ends of the revolving body 30; the end part of the fixed flow passage 32 is correspondingly arranged at the intersection of the double helix; the diameter of the inner ring surface of the revolving body 30 gradually increases from the intersection of the double spiral to the two ends of the revolving body 30; the bowl-shaped material receiving groove 31, the fixed runner 32 and the revolving body 30 are all made of high-temperature-resistant ceramics. The movable runner 301 can enable the falling point of the casting liquid in the mold to change linearly along the axial direction of the mold, ensure the casting liquid to be distributed uniformly and quickly, shorten the casting time and simultaneously avoid the influence on the casting quality caused by the local accumulation of the casting liquid.
Further, the centrifugal casting runner is installed on a sliding seat 33, the sliding seat 33 is slidably arranged on a sliding rail 34 arranged parallel to the axis of the revolving body 30, and the sliding rail 34 is an electric sliding rail 34; a rotary driving motor 37 is arranged on the sliding seat 33, and the rotary body 30 is arranged on a bearing seat arranged on the sliding seat 33 through a bearing; a driven gear 35 is provided on an outer circumferential surface of the rotation body 30, a driving gear 36 is provided on a main shaft of the rotation driving motor 37, and the driving gear 36 and the driven gear 35 are engaged with each other.
Example 2
Based on the foregoing embodiment 1, the present embodiment provides a centrifugal casting process for a cylinder liner 1, which includes the following steps:
step 1: smelting the casting liquid, namely adding the raw materials into a medium-frequency electric furnace for smelting and slagging off to obtain the casting liquid;
step 2: preparing a centrifugal casting machine, cleaning the inner wall of the centrifugal casting machine, spraying and hanging a coating, and preheating a mould;
and step 3: moving the pouring gate to a pouring gate of a centrifugal casting machine;
and 4, step 4: casting, starting a centrifugal casting machine, pouring the casting liquid into a pouring gate by using a casting ladle, and enabling the casting liquid to flow into a mold through the pouring gate;
and 5: demolding, after the casting is cooled, taking the casting out of the mold, and finishing the casting of the cylinder sleeve 1;
in the step 5, the demolding method specifically comprises the following steps:
1) the driving component drives the clamping jaws 14 to protrude into the cylindrical die body 10, and simultaneously the driving clamping jaws 14 are close to the inner wall of the cylinder sleeve 1 along the radial direction of the cylindrical die body 10;
2) the driving assembly drives the first end plate 11 to slide towards the direction of the second end plate 12, the first end plate 11 ejects the cylinder sleeve 1, and the second end plate 12 is separated from the cylindrical die body 10 under the action of the cylinder sleeve 1;
3) after the cylinder sleeve 1 is completely separated from the cylindrical mold body 10, the driving component drives the clamping jaws 14 to draw out the interior of the cylinder sleeve 1, and the cylinder sleeve 1 falls downwards under the action of gravity to complete the demolding of the cylinder sleeve 1.
In the step 4, the casting method specifically comprises the following steps:
a. before casting, the angle of the revolving body 30 is adjusted, so that the double-spiral intersection of the movable flow passage 301 is positioned at the bottom of the revolving body 30;
b. pouring the casting liquid into the material receiving groove by using a casting ladle, wherein the casting liquid flows into the revolving body 30 along the fixed runner 32, and at the moment, the revolving body 30 is driven to rotate at a constant speed, so that the liquid outlet at the bottom of the movable runner 301 gradually moves towards two sides of the revolving body 30;
c. after all the casting liquid enters the cylindrical mold body 10, the pouring gate is drawn out from the cylindrical mold body 10, and the casting process is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
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.
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| CN201911260945.6A CN110744026B (en) | 2019-12-10 | 2019-12-10 | Cylinder sleeve centrifugal casting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911260945.6A CN110744026B (en) | 2019-12-10 | 2019-12-10 | Cylinder sleeve centrifugal casting machine |
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| CN110744026B CN110744026B (en) | 2021-04-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112846122A (en) * | 2021-01-11 | 2021-05-28 | 李洪玉 | Centrifugal casting machine for bearing ring |
| CN112916815A (en) * | 2021-01-28 | 2021-06-08 | 张宪钻 | Corrosion-resistant and good centrifugal casting machine of sealing performance |
| CN113351845A (en) * | 2021-08-12 | 2021-09-07 | 江苏明如精密模具有限公司 | Processing centrifugal casting mould |
| CN117182024A (en) * | 2023-08-08 | 2023-12-08 | 安徽德鸿机件制造有限公司 | Heavy hydraulic cylinder barrel centrifugal casting equipment |
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