CN211218607U - Demolding device and centrifugal casting system - Google Patents
Demolding device and centrifugal casting system Download PDFInfo
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- CN211218607U CN211218607U CN201922200263.8U CN201922200263U CN211218607U CN 211218607 U CN211218607 U CN 211218607U CN 201922200263 U CN201922200263 U CN 201922200263U CN 211218607 U CN211218607 U CN 211218607U
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Abstract
The utility model belongs to the technical field of automobile parts casting processing, concretely relates to shedder and centrifugal casting system, include along horizontal axis rotation setting tube-shape mould body in the frame, the interior anchor ring of tube-shape mould body is conical surface form, and the first end diameter of the anchor ring in the tube-shape mould body is less than the second end diameter, and the first end of the anchor ring in the tube-shape mould body is equipped with first end plate, and the second end is equipped with the second end plate, first end plate and second end plate are the annular structure, first end plate and second end plate constitute sliding fit with tube-shape mould body along the axis direction of tube-shape mould body; the clamping jaws capable of opening and closing along the radial direction of the cylindrical die body and moving along the axial direction of the cylindrical die body are arranged in the central hole of the first end plate. The jack catch can support the cylinder liner inner wall after the cylinder liner shaping, and the bottom surface production friction of cylinder liner outer wall and tube-shape mould body inner wall damages mould inner coating when preventing the drawing of patterns reduces drawing of patterns resistance simultaneously.
Description
Technical Field
The invention belongs to the technical field of automobile part casting and processing, and particularly relates to a demoulding device and a centrifugal casting system.
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 operated manually, the labor intensity is high, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a demoulding device and a centrifugal casting system which can realize automatic demoulding of a centrifugal casting machine, and improve the casting production efficiency.
The technical scheme adopted by the invention is as follows:
a demoulding device comprises a cylindrical mould body which is rotationally arranged on a rack along a horizontal axis, wherein the inner annular surface of the cylindrical mould body is in a conical surface shape, the diameter of a first end of the inner annular surface of the cylindrical mould body is smaller than that of a second end, a first end plate is arranged at the first end of the inner annular surface of the cylindrical mould body, a second end plate is arranged at the second end, the first end plate and the second end plate are both in an annular structure, and the first end plate and the second end plate are in sliding fit with the cylindrical mould body along the axial direction of the cylindrical mould body; the clamping jaw capable of opening and closing along the radial direction of the cylindrical die body and moving along the axial direction of the cylindrical die body is arranged in the central hole of the first end plate, and a driving assembly used for driving the first end plate, the second end plate and the clamping jaw to move is arranged beside the cylindrical die body.
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 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.
The driving assembly comprises a driving disc, a shifting fork and an electric cylinder, wherein the driving disc is provided with an annular groove on the outer annular surface, two rollers are symmetrically arranged in the annular groove, the axis of each roller is perpendicular to the axis of the driving disc, the rollers are rotatably arranged on the shifting fork, the driving assembly further comprises the electric cylinder arranged in the direction parallel to the axis of the cylindrical die body, and the shifting fork is fixedly connected with a sliding block of the electric cylinder.
And 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.
A centrifugal casting system comprises a demolding device, wherein the demolding device comprises a cylindrical mold body which is rotatably arranged on a rack along a horizontal axis, the inner annular surface of the cylindrical mold body is in a conical surface shape, the diameter of a first end of the inner annular surface of the cylindrical mold body is smaller than that of a second end, a first end plate is arranged at the first end of the inner annular surface of the cylindrical mold body, a second end plate is arranged at the second end of the inner annular surface of the cylindrical mold body, the first end plate and the second end plate are both in an annular structure, and the first end plate and the second end plate are in sliding fit with the cylindrical mold body along the axis direction of the cylindrical mold; the clamping jaw capable of opening and closing along the radial direction of the cylindrical die body and moving along the axial direction of the cylindrical die body is arranged in the central hole of the first end plate, and a driving assembly used for driving the first end plate, the second end plate and the clamping jaw to move is arranged beside the cylindrical die body.
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 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.
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 after the cylinder sleeve is formed, the cylinder sleeve is ejected out of the mold by the first end plate, so that automatic demolding of a casting is realized, and the casting and processing efficiency of the cylinder sleeve is improved; the jack catch can support the cylinder liner inner wall after the cylinder liner shaping, and the bottom surface production friction of cylinder liner outer wall and tube-shape mould body inner wall damages mould inner coating when preventing the drawing of patterns reduces drawing of patterns resistance simultaneously.
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.
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.
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. A demolding device, characterized in that: the cylindrical die comprises a cylindrical die body which is rotatably arranged on a rack along a horizontal axis, wherein the inner annular surface of the cylindrical die body is conical, the diameter of a first end of the inner annular surface of the cylindrical die body is smaller than that of a second end, a first end plate is arranged at the first end of the inner annular surface of the cylindrical die body, a second end plate is arranged at the second end, the first end plate and the second end plate are both of annular structures, and the first end plate and the second end plate are in sliding fit with the cylindrical die body along the axial direction of the cylindrical die body; the clamping jaw capable of opening and closing along the radial direction of the cylindrical die body and moving along the axial direction of the cylindrical die body is arranged in the central hole of the first end plate, and a driving assembly used for driving the first end plate, the second end plate and the clamping jaw to move is arranged beside the cylindrical die body.
2. The demolding device as claimed in claim 1, 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.
3. The demolding device as claimed in claim 2, wherein: 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.
4. The demolding device as claimed in claim 3, wherein: the driving assembly comprises a driving disc, a shifting fork and an electric cylinder, wherein the driving disc is provided with an annular groove on the outer annular surface, two rollers are symmetrically arranged in the annular groove, the axis of each roller is perpendicular to the axis of the driving disc, the rollers are rotatably arranged on the shifting fork, the driving assembly further comprises the electric cylinder arranged in the direction parallel to the axis of the cylindrical die body, and the shifting fork is fixedly connected with a sliding block of the electric cylinder.
5. The demolding device as claimed in claim 4, wherein: and 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.
6. The demolding device as claimed in claim 5, wherein: 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 demolding device as claimed in claim 2, wherein: the jack catch sets up 3 at least along the even interval of the circumference of tube-shape mould body.
8. A centrifugal casting system, characterized by: the demolding device comprises a cylindrical mold body which is rotatably arranged on a rack along a horizontal axis, the inner annular surface of the cylindrical mold body is conical, the diameter of a first end of the inner annular surface of the cylindrical mold body is smaller than that of a second end, a first end plate is arranged at the first end of the inner annular surface of the cylindrical mold body, a second end plate is arranged at the second end, the first end plate and the second end plate are both of annular structures, and the first end plate and the second end plate are in sliding fit with the cylindrical mold body along the axial direction of the cylindrical mold body; the clamping jaw capable of opening and closing along the radial direction of the cylindrical die body and moving along the axial direction of the cylindrical die body is arranged in the central hole of the first end plate, and a driving assembly used for driving the first end plate, the second end plate and the clamping jaw to move is arranged beside the cylindrical die body.
9. The centrifugal casting system of claim 8, 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.
10. The centrifugal casting system of claim 9, wherein: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922200263.8U CN211218607U (en) | 2019-12-10 | 2019-12-10 | Demolding device and centrifugal casting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922200263.8U CN211218607U (en) | 2019-12-10 | 2019-12-10 | Demolding device and centrifugal casting system |
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| Publication Number | Publication Date |
|---|---|
| CN211218607U true CN211218607U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922200263.8U Active CN211218607U (en) | 2019-12-10 | 2019-12-10 | Demolding device and centrifugal casting system |
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| Country | Link |
|---|---|
| CN (1) | CN211218607U (en) |
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- 2019-12-10 CN CN201922200263.8U patent/CN211218607U/en active Active
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