CN220679274U - Casting model of double-shaft-diameter part - Google Patents
Casting model of double-shaft-diameter part Download PDFInfo
- Publication number
- CN220679274U CN220679274U CN202322348927.1U CN202322348927U CN220679274U CN 220679274 U CN220679274 U CN 220679274U CN 202322348927 U CN202322348927 U CN 202322348927U CN 220679274 U CN220679274 U CN 220679274U
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- shaft body
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- casting model
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- 238000005266 casting Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000004576 sand Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 239000003110 molding sand Substances 0.000 description 3
- 244000035744 Hura crepitans Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a casting model of a double-shaft-diameter part, which aims at saving blanks and reducing production cost, and adopts the technical scheme that: a casting model of a double-shaft-diameter part comprises a body, wherein the body is formed by combining a first shaft body and a second shaft body in an end face matching manner; the shaft diameter of the first shaft body is larger than that of the second shaft body, and belongs to the technical field of casting.
Description
Technical Field
The utility model belongs to the technical field of casting, and particularly relates to a casting model of a double-shaft-diameter part.
Background
A molding machine for manufacturing a casting apparatus for sand molds. Its main functions are: filling loose molding sand into a sand box; compacting molding sand, compacting loose molding sand in a sand box by different methods such as jolt ramming, compaction, jolt squeeze, injection pressure and the like, so that the sand mould has necessary strength in the processes of carrying, pouring and the like; and (5) stripping, and taking out the pattern from the compacted sand mould by using different mechanisms.
The sand mould is a casting cavity made of raw sand, adhesive and other auxiliary materials in the casting production process.
Wherein the pattern refers to a model of the part to be produced, namely a casting model; the casting model is matched with the casting cavity.
In the prior art, a casting model is generally processed by a mode of integral cutting and integral processing; in the case of such a casting model, if it has a double-shaft diameter structure, it is processed from a shaft blank as a raw material, wherein the shaft diameter of the shaft blank is adapted to a large shaft diameter section of the casting model.
The machining mode has the defects that as for the small shaft diameter section of the casting model, the shaft diameter is smaller, so that a large amount of blanks can be wasted and the production cost is high due to machining by using the shaft blanks with the shaft diameter matched with the large shaft diameter section.
Disclosure of Invention
The utility model mainly aims to provide a casting model of a double-shaft-diameter part, which aims to save blanks and reduce production cost.
According to a first aspect of the present utility model, there is provided a casting model of a dual-diameter part, comprising a body formed by combining a first shaft body and a second shaft body in an end-face fit manner; the shaft diameter of the first shaft body is larger than that of the second shaft body.
In a specific embodiment of the present utility model, the first shaft body and the second shaft body are connected by a screw.
In a specific embodiment of the present utility model, a boss is disposed on one end surface of the second shaft body, and a threaded hole is disposed at one end of the boss away from the second shaft body;
one end face of the first shaft body is provided with a concave cavity matched with the boss, the other end face of the first shaft body is provided with a through hole, the through hole is communicated with the concave cavity, and the screw penetrates through the through hole to be matched with the threaded hole so as to realize the combination of the first shaft body and the second shaft body.
In a specific embodiment of the present utility model, a first guiding portion is disposed at an end of the cavity away from the through hole.
In a particular embodiment of the utility model, the depth of the cavity is greater than the length of the boss.
In a specific embodiment of the present utility model, a second guiding portion is disposed at an edge of an end of the boss away from the second shaft body.
In a specific embodiment of the present utility model, the first shaft body is provided with a connecting portion matched with the end face of the second shaft body, and the diameter of the end face of the connecting portion is 0.05-0.15 mm greater than the diameter of the end face of the second shaft body.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
in practical application, the body is formed by combining a first shaft body and a second shaft body, so that the body can be separately processed, the first shaft body is processed by using a blank matched with the shaft diameter of the first shaft body, the second shaft body is processed by using a blank matched with the shaft diameter of the second shaft body, the waste of the blank can be reduced to the greatest extent, and the production cost is effectively reduced.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a block diagram of a casting model for making an upper flange according to embodiment 1 of the present utility model;
fig. 2 is a structural diagram of a casting model for manufacturing a crankshaft according to embodiment 1 of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
Example 1
Referring to fig. 1 to 2, a casting model of a dual-diameter part comprises a body formed by combining a first shaft body 1 and a second shaft body 2 in an end-face fit manner; the shaft diameter of the first shaft body 1 is larger than that of the second shaft body 2.
In practical application, the body is formed by combining the first shaft body 1 and the second shaft body 2, so that the body can be separately processed, the first shaft body 1 is processed by using a blank matched with the shaft diameter of the first shaft body 1, the second shaft body 2 is processed by using a blank matched with the shaft diameter of the second shaft body 2, the waste of the blank can be reduced to the greatest extent, and the production cost is effectively reduced.
The first shaft body 1 and the second shaft body 2 may be combined by welding or by bonding, which is not limited in this embodiment.
Specifically, the body may be a casting model of an upper flange, a crankshaft, etc. of the peripheral air conditioning compressor, which is not limited in this embodiment.
As a specific implementation of the embodiment, the first shaft body 1 is connected with the second shaft body 2 through a screw 3;
the screw 3 may penetrate from one end of the first shaft body 1/the second shaft body 2 and be connected to the second shaft body 2/the first shaft body 1.
When the sand mould is actually manufactured, the casting mould is required to be fixed on an external template A, and as a specific implementation of the embodiment, the screw 3 penetrates through the external template A to combine the first shaft body 1 and the second shaft body 2; that is, the casting model is recombined when in use and is combined with the external template A in a matched mode; this embodiment does not exclude the case where the casting mold is first assembled and then mounted on the external form A.
Specifically, one end surface of the second shaft body 2 is provided with a boss 21, and one end of the boss 21 far away from the second shaft body 2 is provided with a threaded hole 22;
a concave cavity 11 matched with the boss 21 is formed in one end face of the first shaft body 1, a through hole 12 is formed in the other end face of the first shaft body, and the through hole 12 is communicated with the concave cavity 11; when in actual use, the boss 21 is inserted into the concave cavity 11, the screw 3 passes through the through hole 12 and is matched with the threaded hole 22 to realize the combination of the first shaft body 1 and the second shaft body 2, the structure is simple, and the combination stability is high.
Preferably, a first guiding portion a is provided at an end of the cavity 11 away from the through hole 12, and a second guiding portion b is provided at an edge of an end of the boss 21 away from the second shaft body 2, so that the boss 21 is conveniently inserted into the cavity 11;
specifically, the boss 21 is cylindrical, and the cavity 11 is cylindrical to be matched with the boss; the first guide part a and the second guide part b are annular slope surfaces.
Preferably, in this embodiment, the depth of the cavity 11 is greater than the length of the boss 21, so that the boss 21 can be completely inserted into the cavity 11, and a gap is avoided between the first shaft body 1 and the second shaft body 2 during combination.
More preferably, the first shaft body 1 is provided with a connecting part 13 matched with the end face of the second shaft body 2, and the diameter of the end face of the connecting part 13 is 0.05-0.15 mm larger than that of the end face of the second shaft body 2, so that the phenomenon of back drawing caused by machining error in practical application is avoided;
specifically, the cavity 11 is provided on the connecting portion 13.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The casting model of the double-shaft-diameter part comprises a body, and is characterized in that the body is formed by combining a first shaft body (1) and a second shaft body (2) in an end face matching manner; the shaft diameter of the first shaft body (1) is larger than that of the second shaft body (2).
2. Casting model of a dual-shaft part according to claim 1, characterized in that the first shaft body (1) and the second shaft body (2) are connected by means of screws (3).
3. The casting model of the double-shaft-diameter part according to claim 2, wherein one end surface of the second shaft body (2) is provided with a boss (21), and one end of the boss (21) far away from the second shaft body (2) is provided with a threaded hole (22);
one end face of the first shaft body (1) is provided with a concave cavity (11) matched with the boss (21), the other end face of the first shaft body is provided with a through hole (12), the through hole (12) is communicated with the concave cavity (11), and the screw (3) penetrates through the through hole (12) to be matched with the threaded hole (22) to realize the combination of the first shaft body (1) and the second shaft body (2).
4. A casting model for a dual-shaft part according to claim 3, characterized in that the end of the cavity (11) remote from the through hole (12) is provided with a first guide (a).
5. A casting model of a dual-shaft part according to claim 3, characterized in that the depth of the cavity (11) is greater than the length of the boss (21).
6. A casting model for a dual-shaft part according to claim 3, characterized in that the edge of the end of the boss (21) remote from the second shaft body (2) is provided with a second guide (b).
7. The casting model of the double-shaft-diameter part according to claim 1, wherein the first shaft body (1) is provided with a connecting part (13) matched with the end face of the second shaft body (2), and the diameter of the end face of the connecting part (13) is 0.05-0.15 mm larger than the diameter of the end face of the second shaft body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322348927.1U CN220679274U (en) | 2023-08-30 | 2023-08-30 | Casting model of double-shaft-diameter part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322348927.1U CN220679274U (en) | 2023-08-30 | 2023-08-30 | Casting model of double-shaft-diameter part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220679274U true CN220679274U (en) | 2024-03-29 |
Family
ID=90377116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322348927.1U Active CN220679274U (en) | 2023-08-30 | 2023-08-30 | Casting model of double-shaft-diameter part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220679274U (en) |
-
2023
- 2023-08-30 CN CN202322348927.1U patent/CN220679274U/en active Active
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