CN111558706B - Pitched roof demolding mechanism and casting mold - Google Patents

Pitched roof demolding mechanism and casting mold Download PDF

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Publication number
CN111558706B
CN111558706B CN202010292284.1A CN202010292284A CN111558706B CN 111558706 B CN111558706 B CN 111558706B CN 202010292284 A CN202010292284 A CN 202010292284A CN 111558706 B CN111558706 B CN 111558706B
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hook
groove
bushing
hooking
pitched roof
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CN111558706A (en
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刘均平
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/04Handling or stripping castings or ingots

Abstract

The application provides a to one side demoulding mechanism and casting mould, wherein, to one side demoulding mechanism includes: the first hook connecting part comprises a first hook groove and a first hook; the oblique top is provided with a second hooking part at one end, the second hooking part comprises a second hook groove and a second hook, the first hook is clamped into the second hook groove, and the second hook is clamped into the first hook groove; and the bushing is sleeved on the ejector rod and is pressed against the second hooking part. The application provides a pitched roof demoulding mechanism, the bush supports and presses on second hook joint portion, second hook joint portion supports and presses on first hook joint portion, the pressure between first pothook and the second pothook has been increased, the frictional force between first pothook and the second pothook has been increased promptly, thereby the joint strength between first pothook and the second pothook has been improved, the probability of first hook joint portion and the slippage of second hook joint portion has been reduced, and then the use reliability of pitched roof demoulding mechanism has been improved, the market competitiveness of the product has been increased.

Description

Pitched roof demolding mechanism and casting mold
Technical Field
The application relates to the technical field of molds, in particular to an inclined top demolding mechanism and a casting mold with the same.
Background
The statements in this application as background to the related art related to this application are merely provided to illustrate and facilitate an understanding of the contents of the present application and are not to be construed as an admission that the applicant expressly or putatively admitted the prior art of the filing date of the present application at the first filing date.
When a cast product is produced, the phenomenon that the side surface of the product is inverted is often encountered, and an inclined top structure is required to be arranged on a demoulding mechanism to demould the product. In the related art, the pitched roof is designed into a double-section pitched roof in order to ensure the strength of the pitched roof structure. But in the process of demoulding the product by the pitched roof structure, the connection between the two-section pitched roofs is easy to lose efficacy, so that the product cannot be ejected smoothly, frequent maintenance and replacement are needed, and the production efficiency is influenced by shutdown maintenance.
Disclosure of Invention
The embodiment of the application provides a pitched roof demoulding mechanism and a casting mould, the probability of failure of the pitched roof demoulding mechanism is low, the use reliability is high, a casting can be smoothly released from the casting mould, the demoulding efficiency of the casting is improved, and the production and manufacturing cost of a product is reduced.
Embodiments of the first aspect of the present application provide a lifter demolding mechanism, including: the first hook connecting part comprises a first hook groove and a first hook; the oblique top is provided with a second hooking part at one end, the second hooking part comprises a second hook groove and a second hook, the first hook is clamped into the second hook groove, and the second hook is clamped into the first hook groove; and the bushing is sleeved on the ejector rod and is pressed against the second hooking part.
The application provides a pitched roof demoulding mechanism, the bush supports and presses on second hook joint portion, second hook joint portion supports and presses on first hook joint portion, the pressure between first pothook and the second pothook has been increased, the frictional force between first pothook and the second pothook has been increased promptly, thereby the joint strength between first pothook and the second pothook has been improved, the probability of first hook joint portion and the slippage of second hook joint portion has been reduced, and then the use reliability of pitched roof demoulding mechanism has been improved, the market competitiveness of the product has been increased.
Preferably, a first inclined plane is arranged on the second hooking part; and a second inclined plane matched with the first inclined plane is arranged on the bushing.
Preferably, a protrusion is arranged on the bushing, and the second inclined plane is arranged on the protrusion.
Preferably, the height of the bulge in the axial direction of the bushing is 2 mm-3 mm.
Preferably, the cross section of the bulge along the radial direction of the bushing is trapezoidal, and the length of the upper bottom of the trapezoidal is 0.5 mm-1 mm.
Preferably, the angle between the second ramp and the pitched roof axis is from 25 ° to 35 °.
Preferably, the bushing is further provided with a connecting groove, a groove wall of the connecting groove is provided with the second inclined plane, and the first hooking portion and the second hooking portion are located in the connecting groove.
Preferably, the pitched roof demolding mechanism further comprises an upper ejection plate and a lower ejection plate which are arranged in a stacked manner; the bushing is connected with the upper ejection plate, and the ejector rod penetrates through the upper ejection plate to be connected with the lower ejection plate.
Preferably, a limiting part is arranged on the bushing, a limiting groove is formed in the upper ejection plate, the limiting part is located in the limiting groove, and the limiting groove is located between the upper ejection plate and the lower ejection plate; the ejector rod is provided with a fixing piece, the fixing piece fixes the lining on the ejector rod, a fixing groove is formed in the lower ejector plate, the fixing piece is located in the fixing groove, and the fixing groove is located between the upper ejector plate and the lower ejector plate.
Embodiments of the second aspect of the present application provide a casting mold comprising the lifter demolding mechanism described in any one of the above.
The casting mould provided by the application has the advantages that the probability of failure of the pitched roof demoulding mechanism is low, the use reliability is high, a casting can be smoothly separated from the casting mould, the production efficiency of the casting is greatly improved, and the production and manufacturing cost of the casting is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings; wherein:
FIG. 1 is a schematic cross-sectional view of a first embodiment of a pitched roof stripper mechanism according to the present application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of the mechanism for ejecting a casting from a mold using a pitched roof demolding mechanism according to the present disclosure;
FIG. 4 is a schematic drawing showing a partial cross-sectional view of a first embodiment of a pitched roof stripper mechanism according to the present application;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;
FIG. 6 is a schematic diagram in partial cross-section of a second embodiment of a pitched roof stripper mechanism according to the present application;
FIG. 7 is a schematic partial cross-sectional view of a third embodiment of a pitched roof stripper mechanism according to the present application;
fig. 8 to 14 are schematic structural views illustrating an assembling process of the ejector mechanism according to the present invention.
Description of reference numerals:
the core insert comprises a top rod 10, a first hooking part 11, a first hook groove 111, a first hook 112, an inclined top 20, a second hooking part 21, a second hook groove 211, a second hook 212, a first inclined surface 22, a first matching surface 23, a bushing 30, a second inclined surface 31, a protrusion 32, a connecting groove 33, a limiting part 34, a second matching surface 35, an upper ejection plate 40, a limiting groove 41, a lower ejection plate 50, a fixing groove 51, a fixing part 60, a core insert 70 and a casting 80.
Detailed Description
In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present application provides a lifter demolding mechanism including: a ram 10, a lifter 20, and a bushing 30.
As shown in fig. 2, one end of the carrier rod 10 is provided with a first hooking part 11, and the first hooking part 11 includes a first hooking groove 111 and a first hooking hook 112. The ejector rod 10 is used for connecting a driving device.
As shown in fig. 2, one end of the slanted ejecting part 20 is provided with a second hooking part 21, the second hooking part 21 includes a second hooking groove 211 and a second hook 212, the first hook 112 is snapped into the second hooking groove 211, and the second hook 212 is snapped into the first hooking groove 111. Namely, the top bar 10 and the lifter 20 are fixedly connected with each other by hooking the first hook 112 and the second hook 212. The pitched roof 20 is used to eject the casting 80 from the mold. Specifically, as shown in fig. 3, the driving device drives the ejector rod 10 to move, the ejector rod 10 drives the lifter 20 to move, and the lifter 20 ejects the casting 80 from the mold.
As shown in fig. 2, the bush 30 is fitted over the post 10, and the bush 30 is pressed against the second hooking portion 21. The bush 30 applies pressure to the second hooking portion 21, which is applied to the contact surface between the first hooks 112 and the second hooks 212. As can be seen from the friction force equation, f = μ × Fn (f is the friction force, μ is the coefficient of sliding friction, and Fn is the pressure perpendicular to the friction surface), the pressure applied between the contact surfaces of the first hook 112 and the second hook 212 is increased, and the friction force between the first hooking part 11 and the second hooking part 21 is increased. Therefore, the bushing 30 is pressed against the second hooking part 21 to increase the pressure applied to the contact surface between the first hook 112 and the second hook 212, so that the connection strength between the first hooking part 11 and the second hooking part 21 is improved, a large external force is required to separate the first hooking part 11 from the second hooking part 21, that is, the slipping probability of the first hooking part 11 and the second hooking part 21 is reduced, the failure probability of the pitched roof demolding mechanism is reduced, the use reliability of the pitched roof demolding mechanism is improved, the casting 80 can be smoothly released from the casting mold, the production efficiency of the casting 80 is greatly improved, and the production and manufacturing costs of the casting 80 are reduced.
As shown in fig. 4 and 5, in one embodiment of the present application, the pitched roof stripper mechanism further includes an upper ejector plate 40 and a lower ejector plate 50 that are arranged in a stack.
The bushing 30 is connected to the upper ejector plate 40. The diameter of the bush 30 is 12 mm.
The ejector pin 10 passes through the upper ejector plate 40 to be connected to the lower ejector plate 50. The diameter of the ejector pin 10 is 6 mm.
In this embodiment, the upper ejection plate 40 is fixedly connected to the bushing 30, so that the bushing 30 abuts against the second hooking portion 21, the lower ejection plate 50 is fixedly connected to the ejector rod 10, when the casting 80 needs to be ejected from the mold, the bushing 30 and the ejector rod 10 are respectively driven by the upper ejection plate 40 and the lower ejection plate 50 to move, the ejector rod 10 drives the lifter 20 to move, and the lifter 20 ejects the casting 80 from the mold. The contact area between the upper ejection plate 40 and the bushing 30 is larger, so that the uniformity of the force applied to the bushing 30 by the upper ejection plate 40 is ensured, and similarly, the contact area between the lower ejection plate 50 and the ejector rod 10 is larger, so that the uniformity of the force applied to the ejector rod 10 by the lower ejection plate 50 is ensured, the movement of the bushing 30 and the ejector rod 10 is smoother, the casting 80 can be smoothly released from the casting mold, the production efficiency of the casting 80 is greatly improved, and the production and manufacturing cost of the casting 80 is reduced.
As shown in fig. 4 and 5, in an embodiment of the present application, the bushing 30 is provided with a limiting portion 34, the upper ejector plate 40 is provided with a limiting groove 41, the limiting portion 34 is located in the limiting groove 41, and the limiting groove 41 is located between the upper ejector plate 40 and the lower ejector plate 50. The limiting groove 41 and the lower ejection plate 50 are matched to form a fixing space, the limiting portion 34 is located in the fixing space, the bushing 30 and the upper ejection plate 40 are fixedly connected, the bushing 30 and the upper ejection plate 40 move together, the fixing structure is simple, the assembly is easy, the production efficiency of products is improved, and the production and manufacturing cost of the products is reduced.
As shown in fig. 4 and 5, the rod 10 is provided with a fixing member 60, the fixing member 60 fixes the bush 30 to the rod 10, the lower ejector plate 50 is provided with a fixing groove 51, the fixing member 60 is located in the fixing groove 51, and the fixing groove 51 is located between the upper ejector plate 40 and the lower ejector plate 50. The fixing groove 51 and the upper ejection plate 40 are matched to form a fixing space, the fixing piece 60 is located in the fixing space, the ejector rod 10 and the lower ejection plate 50 are fixedly connected, the ejector rod 10 and the lower ejection plate 50 move together, the fixing structure is simple, the assembly is easy, the production efficiency of products is improved, and the production and manufacturing cost of the products is reduced.
Several specific embodiments of the bushing are described below in conjunction with the following figures:
example 1
As shown in fig. 1 and 2, the second hooking portion 21 is provided with a first slope 22. The bush 30 is provided with a protrusion 32, and the protrusion 32 is provided with a second inclined surface 31 matched with the first inclined surface 22.
In this embodiment, the pressing force F applied to the second hooking portion 21 by the bush 30 is resolved into two relatively perpendicular forces by the cooperation of the first inclined surface 22 and the second inclined surface 31. The first force is a force F1 perpendicular to the contact surface between the first hook 112 and the second hook 212, which increases the pressure between the contact surfaces of the first hook 112 and the second hook 212, i.e., increases the friction between the first hooking part 11 and the second hooking part 21, thereby increasing the connection strength between the first hooking part 11 and the second hooking part 21, requiring a large external force to separate the first hooking part 11 from the second hooking part 21, i.e., reducing the slipping probability of the first hooking part 11 from the second hooking part 21. The second force provides the second hooking portion 21 with a force F2 tending to approach the first hooking portion 11, so that the first hooking portion 11 and the second hooking portion 21 are more closely fitted, and the probability of the first hooking portion 11 slipping off the second hooking portion 21 is further reduced.
As shown in fig. 2, in one embodiment of the present application, the angle α between the second chamfer 31 and the axis of the bushing 30 is 25 ° -35 °.
In this embodiment, on the one hand, if the angle α between the second inclined surface 31 and the axis of the bush 30 is less than 25 °, the force F1 perpendicular to the contact surface between the first hooking portion 11 and the second hooking portion 21 is small, the force F2 providing the second hooking portion 21 with a tendency to approach the first hooking portion 11 is large, the ratio of the forces in the two directions is not reasonable, and the first hook 112 and the second hook 212 easily slip off; on the other hand, if the angle α between the second inclined surface 31 and the axis of the bush 30 is greater than 35 °, the force F1 perpendicular to the contact surface between the first hooking portion 11 and the second hooking portion 21 is greater, the force F2 providing the second hooking portion 21 with a tendency to approach the first hooking portion 11 is smaller, the ratio of the forces in the two directions is not reasonable, and the first hook 112 and the second hook 212 easily slip off. Therefore, the angle α between the second inclined surface 31 and the axis of the bush 30 is within 25 ° to 35 °, the force F1 perpendicular to the contact surface between the first hooking portion 11 and the second hooking portion 21 is moderate, and the force F2 tending to approach the first hooking portion 11 is moderate for the second hooking portion 21, so that the connection strength between the first hooking portion 11 and the second hooking portion 21 is improved, the first hooking portion 11 and the second hooking portion 21 are more tightly matched, and the probability of slipping-off of the first hooking portion 11 and the second hooking portion 21 is further reduced. In a particular embodiment of the present application, the angle α between the second chamfer 31 and the axis of the bushing 30 is 30 °.
As shown in FIG. 2, in one embodiment of the present application, the height H of the protrusion 32 in the axial direction of the bush 30 is 2mm to 3 mm.
In this embodiment, on the one hand, if the height H of the protrusion 32 is less than 2mm, the area of the second slope 31 is caused to be small, thereby reducing the amount of force acting between the first hooking part 11 and the second hooking part 21, resulting in the first hooking part 11 and the second hooking part 21 being easily slipped off. On the other hand, if the height H of the projection 32 is greater than 3mm, the height of the projection 32 is high, resulting in low mechanical strength of the projection 32 and easy breakage. Therefore, the height H of the protrusion 32 is within 2 mm-3 mm, on one hand, the maximum force acting between the first hook part 11 and the second hook part 21 is ensured, and the slipping probability of the first hook part 11 and the second hook part 21 is reduced; the use reliability of the pitched roof demoulding mechanism is ensured, and the casting 80 can be smoothly released from the casting mould; on the other hand, the mechanical strength of the protrusion 32 is high, so that the use reliability of the protrusion 32 is ensured, and the service life of the product is prolonged. In some embodiments of the present application, the height H of the protrusion 32 in the axial direction of the bushing 30 is 2.5 mm.
As shown in FIG. 2, in one embodiment of the present application, the cross-sectional shape of the protrusion 32 in the radial direction of the bush 30 is a trapezoid, and the length L of the upper base of the trapezoid is 0.5mm to 1 mm.
In this embodiment, on one hand, if the length L of the trapezoidal upper bottom is less than 0.5mm, the overall thickness of the protrusion 32 is small, which results in low mechanical strength of the protrusion 32 and easy breakage, and on the other hand, if the length L of the trapezoidal upper bottom is greater than 1mm, the overall thickness of the protrusion 32 is large, which increases the usage amount of the material for manufacturing the protrusion 32, which results in high manufacturing cost; therefore, the length L of the trapezoid upper bottom is within 0.5 mm-1 mm, so that the bulge 32 has high mechanical strength and low manufacturing cost. In some embodiments of the present application, the length L of the upper base of the trapezoid is 0.8 mm.
Example 2
As shown in fig. 6, the second hooking portion 21 is provided with a first slope 22; the bush 30 is further provided with a connecting groove 33, a groove wall of the connecting groove 33 is provided with a second inclined surface 31 matched with the first inclined surface 22, and the first hooking part 11 and the second hooking part 21 are located in the connecting groove 33.
In this embodiment, the connecting groove 33 protects the first hooking portion 11 and the second hooking portion 21, and prevents the first hooking portion 11 and the second hooking portion 21 from slipping due to external force (such as impact), thereby reducing the failure probability of the pitched roof demolding mechanism, improving the reliability of the pitched roof demolding mechanism, enabling the casting 80 to smoothly slip from the casting mold, greatly improving the production efficiency of the casting 80, and reducing the production cost and the manufacturing cost of the casting 80. In addition, the pressing force F of the bush 30 applied to the second hooking portion 21 through the coupling groove 33 is decomposed into two relatively perpendicular forces by the engagement of the first and second inclined surfaces 22 and 31. The first force is a force F1 perpendicular to the contact surface between the first hooking part 11 and the second hooking part 21, which increases the pressure applied between the contact surfaces of the first hooking part 11 and the second hooking part 21, i.e. improves the friction between the first hooking part 11 and the second hooking part 21, thereby improving the connection strength between the first hooking part 11 and the second hooking part 21, requiring a large external force to separate the first hooking part 11 from the second hooking part 21, i.e. reducing the probability of the first hooking part 11 slipping off from the second hooking part 21; the second force provides the second hooking portion 21 with a force F2 tending to approach the first hooking portion 11, so that the first hooking portion 11 and the second hooking portion 21 are more closely fitted, and the probability of the first hooking portion 11 slipping off the second hooking portion 21 is further reduced.
Example 3
As shown in fig. 7, the second hooking portion 21 is provided with a first mating surface 23; the bush 30 is provided with a second mating surface 35 adapted to the first mating surface 23.
In this embodiment, the bush 30 is fitted over the rod 10, and the bush 30 is pressed against the second hooking portion 21. The bush 30 applies pressure to the second hooking portion 21, the pressure applying the first mating face 23 and the second mating face 35; thereby, the friction force between the first matching surface 23 and the second matching surface 35 is improved, namely, the friction force between the first hooking part 11 and the second hooking part 21 is improved, the connection strength between the first hooking part 11 and the second hooking part 21 is improved, the first hooking part 11 and the second hooking part 21 can be separated only by a large external force, namely, the slipping probability of the first hooking part 11 and the second hooking part 21 is reduced, further, the failure probability of the pitched roof demolding mechanism is reduced, the use reliability of the pitched roof demolding mechanism is improved, the casting 80 can be smoothly released from the casting mold, the production efficiency of the casting 80 is greatly improved, and the production and manufacturing cost of the casting 80 is reduced.
Embodiments of the second aspect of the present application provide a casting mold including the lifter demolding mechanism of any one of the above aspects.
The casting mold provided by the application has the advantages that the probability of failure of the pitched roof demolding mechanism is low, the use reliability is high, the casting 80 can be smoothly separated from the casting mold, the production efficiency of the casting 80 is greatly improved, and the production and manufacturing cost of the casting 80 is reduced.
The installation process of the pitched roof demoulding mechanism is specifically explained by combining the attached drawings 8 to 14:
as shown in fig. 8, the lifter 20 is first installed in the core insert 70 of the casting mold, as shown in fig. 9, the upper ejector plate 40 is then assembled to the casting mold, as shown in fig. 10, the first hooking portion 11 of the lifter 10 is then assembled with the second hooking portion 21 of the lifter 20, so that the lifter 10 is connected with the lifter 20, as shown in fig. 11, the bushing 30 is then sleeved on the lifter 10, the bushing 30 is pressed against the second hooking portion 21, as shown in fig. 12, the bushing 30 is then fixed on the lifter 10 by the fixing member 60, as shown in fig. 13, the upper ejector plate 40 is then retracted to a fixed position, as shown in fig. 14, the lower ejector plate 50 is then assembled, so that the upper ejector plate 40 is fixedly connected with the lower ejector plate 50, and at this time, the limiting portion 34 and the fixing member 60 of the bushing 30 are located between the upper ejector plate 40 and the lower ejector plate 50.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. A lifter demolding mechanism is characterized by comprising:
the device comprises a top rod, a first hook part and a second hook part, wherein one end of the top rod is provided with the first hook part;
the oblique top is provided with a second hooking part at one end, the second hooking part comprises a second hook groove and a second hook, the first hook is clamped into the second hook groove, and the second hook is clamped into the first hook groove; and
the bushing is sleeved on the ejector rod and pressed against the second hooking part;
a first inclined plane is arranged on the second hooking part; a second inclined plane matched with the first inclined plane is arranged on the bushing; the angle between the second inclined plane and the axis of the inclined top is 25-35 degrees.
2. The pitched roof stripper mechanism according to claim 1,
the bush is provided with a bulge, and the bulge is provided with the second inclined plane.
3. The pitched roof stripper mechanism according to claim 2,
the height of the bulge in the axial direction of the bushing is 2 mm-3 mm.
4. The pitched roof stripper mechanism according to claim 2,
the cross section of the bulge along the radial direction of the bushing is trapezoidal, and the length of the upper bottom of the trapezoidal shape is 0.5 mm-1 mm.
5. The pitched roof stripper mechanism according to claim 1,
the bushing is further provided with a connecting groove, the wall of the connecting groove is provided with the second inclined plane, and the first hooking part and the second hooking part are located in the connecting groove.
6. The angle ejector stripper mechanism according to claim 1, further comprising an upper ejector plate and a lower ejector plate arranged in a stack; the bushing is connected with the upper ejection plate, and the ejector rod penetrates through the upper ejection plate to be connected with the lower ejection plate.
7. The pitched roof stripper mechanism according to claim 6,
the bushing is provided with a limiting part, the upper ejection plate is provided with a limiting groove, the limiting part is positioned in the limiting groove, and the limiting groove is positioned between the upper ejection plate and the lower ejection plate; the ejector rod is provided with a fixing piece, the fixing piece fixes the lining on the ejector rod, a fixing groove is formed in the lower ejector plate, the fixing piece is located in the fixing groove, and the fixing groove is located between the upper ejector plate and the lower ejector plate.
8. A casting mold comprising the lifter-ejector die-releasing mechanism according to any one of claims 1 to 7.
CN202010292284.1A 2020-04-14 2020-04-14 Pitched roof demolding mechanism and casting mold Active CN111558706B (en)

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CN108973048A (en) * 2018-08-07 2018-12-11 创维集团智能装备有限公司 A kind of pitched roof mechanism
CN210100600U (en) * 2019-06-20 2020-02-21 诺兰特移动通信配件(北京)有限公司 Inclined top belt ejection block stop demoulding mechanism

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CN202357389U (en) * 2011-12-09 2012-08-01 嘉兴信元精密模具科技有限公司 Open-type pitched roof structure
US9308681B2 (en) * 2014-01-28 2016-04-12 Comercial De Utiles Y Moldes, S.A. Device for demolding parts
CN204773312U (en) * 2015-06-25 2015-11-18 台州黄岩艾彼模具有限公司 Two concentric guide pin bushing mechanisms of oblique ejector pin of injection mold
CN208180166U (en) * 2018-04-18 2018-12-04 欣旺达惠州新能源有限公司 Ramp-roof structure and injection mold
CN108973048A (en) * 2018-08-07 2018-12-11 创维集团智能装备有限公司 A kind of pitched roof mechanism
CN210100600U (en) * 2019-06-20 2020-02-21 诺兰特移动通信配件(北京)有限公司 Inclined top belt ejection block stop demoulding mechanism

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