CN210996348U - Casting equipment for elongated holes of air compression series castings - Google Patents
Casting equipment for elongated holes of air compression series castings Download PDFInfo
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- CN210996348U CN210996348U CN201921388309.7U CN201921388309U CN210996348U CN 210996348 U CN210996348 U CN 210996348U CN 201921388309 U CN201921388309 U CN 201921388309U CN 210996348 U CN210996348 U CN 210996348U
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- core
- holes
- air compression
- sand box
- core pipe
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Abstract
The utility model provides a casting equipment for air compression series foundry goods elongated hole, its characterized in that: the sand box comprises a sand box body, a core pipe, core pipe holes and locking devices, wherein the outer wall of the sand box body is provided with a plurality of core pipe holes, the core pipe holes are provided with detachable core pipes, and the locking devices are arranged outside the core pipe holes. Compared with the prior art, the utility model provides a pair of a casting equipment for air compression series foundry goods elongated hole, rational in infrastructure, through the tube core that adopts quartz glass preparation to form, fix on the sand box with locking device, can prevent that the tube core from taking place the skew because external factors such as buoyancy in the pouring process, quartz glass pipe can become crisp and easily clear away after the pouring, quartz glass can make our required arbitrary shape, the geometry is regular, surface finish is high, can guarantee correspondingly that the cast hole has very high geometric accuracy and surface finish.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a foundry goods processing preparation technical field, in particular to a casting equipment that is used for air compression series foundry goods elongated hole.
[ background of the invention ]
There are two ways to form the cast elongated holes: one method is to drill deep holes from two ends to form long and thin through holes by a machining method, so that expensive equipment, namely a deep hole drilling machine, is needed, a large number of tools and cutters are needed to process the long and thin through holes, the investment is large, the processing time is long, the cost is high, the other method is to form the long and thin through holes by a casting method, and mainly a tube core is put into a sand mold before pouring and then pouring and cooling are carried out.
[ Utility model ] content
An object of the utility model is to overcome above-mentioned prior art not enough, provide a casting equipment for air compression series foundry goods elongated hole, when it aims at solving elongated hole casting method among the prior art, can fail or cause the elongated hole incomplete because of the performance of the material of tube core limits, and the tube core also can receive the buoyancy of molten iron etc. influence and cause elongated hole's skew scheduling problem at the in-process of pouring.
In order to achieve the above object, the utility model provides a casting equipment for air compression series foundry goods elongated hole, its characterized in that: the sand box comprises a sand box body, a core pipe, core pipe holes and locking devices, wherein the outer wall of the sand box body is provided with a plurality of core pipe holes, the core pipe holes are provided with detachable core pipes, and the locking devices are arranged outside the core pipe holes.
Preferably, the core pipe is divided into a pipe body section and a pipe orifice section, the pipe body section is filled with dry sand during operation, the pipe orifice section is filled with wet sand during operation, and the pipe orifice section is provided with a plurality of air outlet holes.
Preferably, the different core tubes have the same or different structural shapes.
Preferably, the outer diameter of the core tube is equal to the inner diameter of the desired elongated hole.
Preferably, the locking device comprises a locking ring and a pressing rod, the locking ring is provided with a plurality of pressing rods, the lower end of each pressing rod is provided with threads, the locking ring is provided with a plurality of threaded holes, the number of the threaded holes is consistent with that of the pressing rods, the lower end of each pressing rod penetrates through the threaded holes, and one surface of the locking ring is fixed on the sand box.
The utility model has the advantages that: compared with the prior art, the utility model provides a pair of a casting equipment for air compression series foundry goods elongated hole, rational in infrastructure, through the tube core that adopts quartz glass preparation to form, fix on the sand box with locking device, can prevent that the tube core from taking place the skew because external factors such as buoyancy in the pouring process, quartz glass pipe can become crisp and easily clear away after the pouring, quartz glass can make our required arbitrary shape, the geometry is regular, surface finish is high, can guarantee correspondingly that the cast hole has very high geometric accuracy and surface finish.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of an elongated hole for an air compression series casting according to an embodiment of the present invention.
FIG. 2 is a schematic structural view of a locking device of a casting apparatus for elongated holes of castings of the pneumatic compression series
In the figure: 1-sand box, 2-core tube, 21-tube body section, 22-tube opening section, 221-air outlet hole, 3-core tube hole, 4-locking device, 41-locking ring and 42-pressure rod.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, the embodiment of the utility model provides a casting equipment for air compression series foundry goods elongated hole which characterized in that: the sand box comprises a sand box 1, core pipes 2, core pipe holes 3 and locking devices 4, wherein the outer wall of the sand box 1 is provided with the core pipe holes 3, the core pipe holes 3 are provided with the detachable core pipes 2, and the locking devices 4 are arranged outside the core pipe holes 3.
The core pipe 2 is divided into a pipe body section 21 and a pipe orifice section 22, the pipe body section 21 is filled with dry sand during working, the pipe orifice section 22 is filled with wet sand during working, and the pipe orifice section 22 is provided with a plurality of air outlet holes 221. The structural shapes of the different core tubes 2 are the same or different. The outer diameter of the core tube 2 is equal to the inner diameter of the desired elongated hole.
The locking device 4 comprises a locking ring 41 and a plurality of pressure rods 42, the locking ring 41 is provided with a plurality of pressure rods 42, the lower ends of the pressure rods 42 are provided with threads, the locking ring 41 is provided with a plurality of threaded holes, the number of the threaded holes is consistent with that of the pressure rods 42, the lower ends of the pressure rods 42 penetrate through the threaded holes, and one surface of the locking ring 41 is fixed on the sand box 1.
The utility model discloses the working process:
the utility model relates to a casting equipment for air compression series foundry goods elongated hole is in the course of the work, earlier with dry sand with the pipe shaft end 21 of core pipe 2 tamp, a little wet sand of reuse seals nose end 22, then put into sand box 1 interior wet sand mould with core pipe 2 through core pipe hole 3, and compress tightly through depression bar 42 on locking device 4 in the sand box 1 outside, the pouring after having repaired the sand mould and drying, the back of having poured, stretch into downthehole stirring with the steel wire of 4 millimeters of diameter, can clear away core pipe 2, thereby make the foundry goods form elongated hole.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A casting equipment that is used for long orifice of air compression series foundry goods which characterized in that: the sand box comprises a sand box (1), core pipes (2), core pipe holes (3) and locking devices (4), wherein a plurality of core pipe holes (3) are formed in the outer wall of the sand box (1), detachable core pipes (2) are arranged on the core pipe holes (3), and the locking devices (4) are arranged outside the core pipe holes (3).
2. A casting apparatus for elongated holes in castings of the air compression series as claimed in claim 1, wherein: the core pipe (2) is divided into a pipe body section (21) and a pipe orifice section (22), the pipe body section (21) is filled with dry sand during working, the pipe orifice section (22) is filled with wet sand during working, and the pipe orifice section (22) is provided with a plurality of air outlet holes (221).
3. A casting apparatus for elongated holes in castings of the air compression series as claimed in claim 1, wherein: the structural shapes of different core pipes (2) are the same or different.
4. A casting apparatus for elongated holes in castings of the air compression series as claimed in claim 1, wherein: the outer diameter of the core tube (2) is equal to the inner diameter of the required elongated hole.
5. A casting apparatus for elongated holes in castings of the air compression series as claimed in claim 1, wherein: the locking device (4) comprises a locking ring (41) and a pressing rod (42), the locking ring (41) is provided with a plurality of pressing rods (42), the lower end of each pressing rod (42) is provided with threads, the locking ring (41) is provided with a plurality of threaded holes, the number of the threaded holes is consistent with that of the pressing rods (42), the lower end of each pressing rod (42) penetrates through the threaded holes, and one surface of the locking ring (41) is fixed on the sand box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388309.7U CN210996348U (en) | 2019-08-26 | 2019-08-26 | Casting equipment for elongated holes of air compression series castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388309.7U CN210996348U (en) | 2019-08-26 | 2019-08-26 | Casting equipment for elongated holes of air compression series castings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210996348U true CN210996348U (en) | 2020-07-14 |
Family
ID=71466164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921388309.7U Active CN210996348U (en) | 2019-08-26 | 2019-08-26 | Casting equipment for elongated holes of air compression series castings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210996348U (en) |
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2019
- 2019-08-26 CN CN201921388309.7U patent/CN210996348U/en active Active
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