CN218362008U - Engine cylinder block mould oil duct casting pin structure - Google Patents
Engine cylinder block mould oil duct casting pin structure Download PDFInfo
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- CN218362008U CN218362008U CN202222082842.9U CN202222082842U CN218362008U CN 218362008 U CN218362008 U CN 218362008U CN 202222082842 U CN202222082842 U CN 202222082842U CN 218362008 U CN218362008 U CN 218362008U
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Abstract
The utility model discloses an oil duct pin casting structure of an engine cylinder mould, which comprises two or more pin casting components arranged in the mould; a casting pin driving mechanism is arranged on one side of the mold; the cast pin driving mechanism is connected with the cast pin assembly; the casting pin assembly is provided with an interlocking structure and a residual aluminum layer adhesion resistant structure. The interlocking structure formed by the concave structure and the convex structure is arranged on the matching surface of the pin component, so that the connection strength of the matching surface is improved, the overall strength of the pin component is improved, and the pin component is prevented from being bent in the aluminum liquid scouring process; meanwhile, the side face of the protruding structure is provided with an anti-residual aluminum layer adhesion structure consisting of a plurality of round-bottom grooves, so that aluminum liquid enters and fills the round-bottom grooves to form a residual aluminum layer with a large area, the connection strength of the residual aluminum layer and a product is enhanced, the residual aluminum layer is prevented from falling off and adhering to the matching surface of the casting pin, and the casting pin is prevented from being bent or broken due to extrusion in the next production cycle.
Description
Technical Field
The utility model relates to a die-casting technical field especially relates to an engine cylinder body mould oil duct casting pin structure.
Background
In the prior art, a long oil channel casting pin of a cylinder body mould is mostly of an end face collision structure so as to meet the requirement of product shape. However, when the structure is washed by molten aluminum at a high speed, the cast pin is easy to bend, so that the shape of the product is not consistent or the cast pin is broken.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
an oil duct pin casting structure of an engine cylinder block mold comprises two or more pin casting assemblies arranged in the mold, and is characterized in that one side of the mold is provided with a pin casting driving mechanism for driving the pin casting assemblies to enter a cavity of the mold; the cast pin driving mechanism is connected with the cast pin assembly; the casting pin assembly is provided with an interlocking structure and a residual aluminum layer adhesion resistant structure.
Preferably, the pin block assembly includes first and second pins respectively disposed in upper and lower molds of the mold;
a concave structure is arranged on the matching surface of the first casting pin and the second casting pin; a convex structure is arranged on the matching surface of the second cast pin and the first cast pin; when the first casting pin is matched with the second casting pin, the concave structure and the convex structure form the interlocking structure;
the residual aluminum layer adhesion resistant structure is arranged on the protruding structure;
the first casting pin and the second casting pin are connected with a casting pin driving mechanism.
Preferably, the side surface of the protruding structure is provided with a plurality of round-bottom grooves which are circumferentially distributed by taking the axis of the second cast pin as the center; the round bottom groove axially extends from the upper surface of the protruding structure to the connecting surface of the second cast pin and the protruding structure; the plurality of round-bottom grooves form the residual aluminum layer adhesion resistant structure.
Preferably, the cross section of the concave structures and the cross section of the convex structures are both in an equilateral trapezoid shape.
Preferably, the cast pin drive mechanism includes a first cast pin drive assembly and a second cast pin drive assembly.
Preferably, the first cast pin drive assembly includes an upper slide and an upper slide drive; the second cast pin driving assembly comprises a lower sliding block and a lower sliding block driver;
the two upper sliding block drivers are arranged, the driving ends of the two upper sliding block drivers are respectively connected with the two ends of the upper sliding block, and the upper sliding block is fixedly connected with the first cast pin; the two lower sliding block drivers are arranged, the driving ends of the two lower sliding block drivers are respectively connected with the two ends of the lower sliding block, and the lower sliding block is fixedly connected with the second casting pin.
Preferably, the first cast pin and the second cast pin have outer diameters that gradually decrease toward the mating surface.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the interlocking structure formed by the concave structure and the convex structure is arranged on the matching surface of the pin component, so that the connection strength of the matching surface is improved, the overall strength of the pin component is improved, and the pin component is prevented from being bent in the aluminum liquid scouring process; meanwhile, the side face of the protruding structure is provided with the residual aluminum layer adhesion resistant structure consisting of the plurality of round-bottom grooves, so that aluminum liquid enters and fills the round-bottom grooves to form a residual aluminum layer with a large area, the connection strength of the residual aluminum layer and a product is enhanced, the residual aluminum layer is prevented from falling off and adhering to the matching surface of the casting pin, the casting pin is prevented from being bent or broken due to extrusion in the next production cycle, and the service life of the casting pin assembly is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic perspective view of a pin assembly according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a schematic perspective view of a first cast pin according to the present invention;
FIG. 6 is a schematic perspective view of a second cast pin according to the present invention;
wherein: the mold pin assembly 1, the mold pin driving mechanism 2, the interlock structure 3, the residual aluminum layer adhesion prevention structure 4, the first mold pin 11, the second mold pin 12, the first mold pin driving assembly 21, the second mold pin driving assembly 22, the upper mold 101, the lower mold 102, the concave structure 111, the convex structure 121, the upper slide 211, the upper slide driver 212, the lower slide 221, the lower slide driver 222, and the round bottom groove 1211.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the following drawings and detailed description:
as shown in fig. 1-6, an oil passage pin casting structure of an engine block mold comprises two or more pin casting assemblies 1 arranged in the mold, and is characterized in that one side of the mold is provided with a pin casting driving mechanism 2 for driving the pin casting assemblies 1 into a cavity of the mold; the cast pin driving mechanism 2 is connected with the cast pin assembly 1; the casting pin assembly 1 is provided with an interlocking structure 3 and a residual aluminum layer adhesion resisting structure 4.
Further, as shown in fig. 2, 3, 4, 5 and 6, the pin block assembly 1 includes a first pin 11 and a second pin 12 respectively disposed in an upper die 101 and a lower die 102 of a mold;
a concave structure 111 is arranged on the matching surface of the first cast pin 11 and the second cast pin 12; a convex structure 121 is arranged on the matching surface of the second cast pin 12 and the first cast pin 11; when the first casting pin 11 is matched with the second casting pin 12, the concave structure 111 and the convex structure 121 form the interlocking structure 3;
the residual aluminum layer adhesion resistant structure 4 is arranged on the protruding structure 121;
the first casting pin 11 and the second casting pin 12 are connected with the casting pin driving mechanism 2.
In this embodiment, by providing the interlocking structure 3 consisting of the concave structure 111 and the convex structure 121 on the mating surfaces of the first cast pin 11 and the second cast pin 12, the connection strength of the mating surfaces when the first cast pin 11 and the second cast pin 12 are mated is improved, so that the overall strength of the cast pin assembly 1 is improved, and the cast pin assembly 1 is prevented from bending during the aluminum liquid washing process.
Further, as shown in fig. 4 and 6, the side surface of the protruding structure 121 is provided with a plurality of round-bottom grooves 1211 circumferentially distributed with the axis of the second casting pin 12 as the center; the round-bottom groove 1211 extends axially from the upper surface of the protruding structure 121 to the connecting surface of the second casting pin 12 and the protruding structure 121; a plurality of rounded-bottom grooves 1211 form the anti-adhesion structure 4.
In this embodiment, during the aluminum liquid forming process, the aluminum liquid will fill the gap between the mating surfaces of the concave structure 111 and the convex structure 121 to form a residual aluminum layer, and through the arrangement of the residual aluminum layer adhesion resisting structure 4, the aluminum liquid will enter and fill the plurality of round-bottom grooves 1211 to form a residual aluminum layer with a larger area, thereby enhancing the connection strength between the residual aluminum layer and the product, preventing the residual aluminum layer from falling off and adhering to the mating surface of the cast pin, and effectively preventing the cast pin from being bent or broken due to extrusion during the next production cycle.
Further, as shown in fig. 5 and 6, the cross-sections of the concave structures 111 and the convex structures 121 are both in the shape of an equilateral trapezoid.
In this embodiment, the connection strength and stability of the interlocking structure 3 are further improved by the arrangement of the structure.
Further, as shown in FIG. 1, the cast pin drive mechanism 2 includes a first cast pin drive assembly 21 and a second cast pin drive assembly 22.
Further, the first cast pin driving assembly 21 includes an upper slider 211 and an upper slider driver 212; the second cast pin drive assembly 22 comprises a lower slide 221 and a lower slide driver 222;
the two upper sliding block drivers 212 are arranged, the driving ends of the two upper sliding block drivers are respectively connected with two ends of the upper sliding block 211, and the upper sliding block 211 is fixedly connected with the first cast pin 11; the two lower sliding block drivers 222 are provided, the driving ends of the lower sliding block drivers are respectively connected with two ends of the lower sliding block 221, and the lower sliding block 221 is fixedly connected with the second casting pin 12.
In this embodiment, the double upper slide block driver 212 and the double lower slide block driver 222 are adopted to drive the upper slide block 211 and the lower slide block 221 to act respectively, so that the first cast pin 11 and the second cast pin 12 enter the cavity stably, and the stability and controllability of driving the first cast pin 11 and the second cast pin 12 are improved.
Further, as shown in fig. 3, 4, 5 and 6, the outer diameters of the first cast pin 11 and the second cast pin 12 are gradually reduced toward the mating surface.
The working principle is as follows: when the mold is closed, the first cast pin driving assembly 21 and the second cast pin driving assembly 22 act simultaneously, so that the first cast pin 11 and the second cast pin 12 stably enter a mold cavity of the mold, then the concave structure 111 and the convex structure 121 are matched to form the interlocking structure 3, and the connection strength of the matching surfaces when the first cast pin 11 and the second cast pin 12 are matched is improved, so that the overall strength of the cast pin assembly 1 is improved, and the cast pin assembly 1 is prevented from being bent in the aluminum liquid scouring process; in addition, during the aluminum liquid forming process, the aluminum liquid enters the gap between the matching surfaces of the concave structure 111 and the convex structure 121 to form a residual aluminum layer, and through the arrangement of the residual aluminum layer adhesion resistant structure 4, the aluminum liquid enters and fills the plurality of round-bottom grooves 1211 to form a residual aluminum layer with a larger area, so that the connection strength between the residual aluminum layer and the product is enhanced, the residual aluminum layer is prevented from falling off and adhering to the matching surface of the casting pin, and the casting pin is effectively prevented from being bent or broken due to extrusion during the next production cycle.
Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the present invention.
Claims (7)
1. The oil duct pin casting structure of the engine cylinder block mould comprises two or more pin casting components arranged in the mould, and is characterized in that one side of the mould is provided with a pin casting driving mechanism for driving the pin casting components to enter a cavity of the mould; the cast pin driving mechanism is connected with the cast pin assembly; and the pin casting assembly is provided with an interlocking structure and a residual aluminum layer adhesion resistant structure.
2. The engine block mold oil gallery cast pin structure as claimed in claim 1, wherein the cast pin assembly includes a first cast pin and a second cast pin respectively disposed in an upper mold and a lower mold of the mold;
a concave structure is arranged on the matching surface of the first casting pin and the second casting pin; a convex structure is arranged on the matching surface of the second cast pin and the first cast pin; when the first casting pin is matched with the second casting pin, the concave structure and the convex structure form the interlocking structure;
the residual aluminum layer adhesion resistant structure is arranged on the protruding structure;
the first casting pin and the second casting pin are connected with the casting pin driving mechanism.
3. The oil passage casting pin structure of the engine cylinder block mold according to claim 2, wherein a plurality of round-bottom grooves circumferentially distributed with the axis of the second casting pin as the center are formed in the side surface of the protruding structure; the round-bottom groove axially extends from the upper surface of the protruding structure to the joint face of the second cast pin and the protruding structure; and a plurality of round-bottom grooves form the residual aluminum layer adhesion resistant structure.
4. The engine block mold oil passage cast pin structure as claimed in claim 2, wherein the cross-section of the concave structure and the convex structure is in an equilateral trapezoid shape.
5. The engine block mold oil gallery cast pin structure as claimed in claim 2, wherein the cast pin drive mechanism includes a first cast pin drive assembly and a second cast pin drive assembly.
6. The engine block mold oil gallery cast pin structure as claimed in claim 5, wherein the first cast pin drive assembly includes an upper slide and an upper slide actuator; the second cast pin driving assembly comprises a lower slider and a lower slider driver;
the two upper sliding block drivers are arranged, the driving ends of the upper sliding block drivers are respectively connected with two ends of an upper sliding block, and the upper sliding block is fixedly connected with a first cast pin; the two lower sliding block drivers are arranged, the driving ends of the two lower sliding block drivers are respectively connected with the two ends of the lower sliding block, and the lower sliding block is fixedly connected with the second casting pin.
7. The engine block mold oil gallery cast pin structure as recited in claim 2, wherein the first cast pin and the second cast pin have outer diameters that gradually decrease toward the mating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222082842.9U CN218362008U (en) | 2022-08-09 | 2022-08-09 | Engine cylinder block mould oil duct casting pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222082842.9U CN218362008U (en) | 2022-08-09 | 2022-08-09 | Engine cylinder block mould oil duct casting pin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218362008U true CN218362008U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222082842.9U Active CN218362008U (en) | 2022-08-09 | 2022-08-09 | Engine cylinder block mould oil duct casting pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218362008U (en) |
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2022
- 2022-08-09 CN CN202222082842.9U patent/CN218362008U/en active Active
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