CN212888144U - Filling mold and cold isostatic pressing filling device - Google Patents
Filling mold and cold isostatic pressing filling device Download PDFInfo
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- CN212888144U CN212888144U CN202020652840.7U CN202020652840U CN212888144U CN 212888144 U CN212888144 U CN 212888144U CN 202020652840 U CN202020652840 U CN 202020652840U CN 212888144 U CN212888144 U CN 212888144U
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- isostatic pressing
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Abstract
The utility model discloses a load mould for load blank bearing ball, including template (2), be equipped with a plurality of apertures (4) and a plurality of recess (5) on the upper surface of template, the aperture is used for supporting blank bearing ball, the recess is in between every two adjacent apertures or is in between the upper surface border of aperture and template, and the both ends of recess link to each other with two adjacent apertures respectively, or the both ends of recess link to each other with the upper surface border of aperture and template respectively. Correspondingly, a cold isostatic pressing filling device is also disclosed. The filling die can realize the efficient filling of blank bearing balls.
Description
Technical Field
The utility model relates to a load the mould and contain this cold isostatic pressing loading device who loads the mould.
Background
With the development of industries such as aerospace, machinery, petrochemical engineering and the like, higher and higher requirements are put on the performance of a bearing serving as a basic component. In modern industry, under harsh environments such as high temperature, low temperature, high speed, strong corrosion and the like, the traditional metal bearing ball cannot meet the use requirements. At present, ceramic materials represented by silicon nitride are gradually replacing traditional metal bearings with excellent comprehensive properties, and are widely applied to high-precision bearings.
In the production process of the ceramic bearing ball, the blank bearing ball which is preliminarily pressed and formed needs to be subjected to cold isostatic pressing treatment in order to ensure the quality. Before cold isostatic pressing treatment, a blank bearing ball needs to be loaded into a die and then pressed, but the existing filling method mainly adopts manual filling, the filling efficiency is low, and impurities are easily introduced in the filling process.
Therefore, the production efficiency of the ceramic bearing ball is severely restricted by the current filling mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide one kind can realize that the high efficiency of blank bearing ball loads the mould and contain this cold isostatic pressing loading device who loads the mould.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a filling die for filling blank bearing balls comprises a die plate, wherein a plurality of small holes and a plurality of grooves are arranged on the upper surface of the die plate,
the small holes are used for supporting blank bearing balls, the grooves are located between every two adjacent small holes or between the small holes and the upper surface edge of the template, two ends of each groove are connected with the two adjacent small holes respectively, or two ends of each groove are connected with the small holes and the upper surface edge of the template respectively.
Preferably, the aperture of each small hole is 1.1-1.3 times of the diameter of the blank bearing ball, and the hole depth is 0.55-0.6 times of the diameter of the blank ball; the width of the groove is 2-3mm, and the depth is 1-2 mm.
Furthermore, the aperture of the small hole is 1.3 times of the diameter of the blank bearing ball, and the depth of the small hole is 0.55 times of the diameter of the blank bearing ball; the width of recess is 2mm, and the degree of depth is 1 mm.
Preferably, a plurality of the small holes are arranged in a plurality of rows in parallel in a straight line shape on the template.
Preferably, the template is made of organic silica gel, the Shore hardness of the template is 60-70, the elongation at break of the template is greater than or equal to 300%, and the tensile strength of the template is greater than or equal to 6 MPa.
A cold isostatic pressing filling device comprises the filling mould, a cavity structural member and an oscillating structural member,
the filling mould is arranged in a cavity structural member which is fixed on the oscillating structural member,
the oscillating structure is used for performing reciprocating oscillating motion in a horizontal plane.
Preferably, the middle part of the cavity structural part is provided with a pit, the edge of the pit is provided with a bearing boss, and two ends of the filling mold are supported on the bearing boss.
Furthermore, one end of the bearing boss is higher than the other end of the bearing boss, so that the filling mold can be obliquely placed on the cavity structural member, and the inclination angle between the filling mold and the horizontal plane is 10-15 degrees.
Preferably, the cavity structural member is made of stainless steel.
Preferably, the oscillation amplitude of the oscillation structural part is 5-25mm, and the speed is adjustable.
The utility model discloses a load the mould, because the template has aperture and recess, lead through the recess, can make blank bearing ball fall into the aperture fast, and the setting of aperture can prevent again that cold isostatic pressing in-process blank bearing ball's excessive deformation.
The utility model discloses a cold isostatic pressing loading device is through loading mould, cavity structure spare and oscillating structure spare and mutually support and use, finally can realize the automatic quick loading of blank bearing ball, compares in traditional manual loading, can promote 90% loading efficiency.
Drawings
FIG. 1 is a schematic structural view of the upper surface of a filling mold in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an inter-cooling isostatic pressing filling device in embodiment 2 of the present invention.
In the figure: 1-filling a mold, 2-template, 3-cavity structural member, 4-small hole, 5-groove, 6-pit, 7-connecting bolt, 8-bearing boss and 9-oscillation structural member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to realize the high-efficiency filling of the blank bearing ball, the utility model discloses a filling mould which is used for filling the blank bearing ball and comprises a template, wherein the upper surface of the template is provided with a plurality of small holes and a plurality of grooves,
the small holes are used for supporting blank bearing balls, the grooves are located between every two adjacent small holes or between the small holes and the upper surface edge of the template, two ends of each groove are connected with the two adjacent small holes respectively, or two ends of each groove are connected with the small holes and the upper surface edge of the template respectively.
Correspondingly, the utility model also discloses a cold isostatic pressing filling device, which comprises the filling mould, a cavity structural member and an oscillating structural member,
the filling mould is arranged on the cavity structural member, the cavity structural member is fixed on the oscillating structural member,
the oscillating structure is used for performing reciprocating oscillating motion in a horizontal plane.
Example 1:
in the embodiment, a cold isostatic pressing filling device is disclosed, which comprises a filling mould 1, a cavity structural member 3 and an oscillating structural member 9. The filling mould 1 is arranged in a cavity structural member 3, the cavity structural member 3 is fixed on an oscillating structural member 9, and the oscillating structural member 9 is used for reciprocating in a horizontal plane.
As shown in fig. 1, the filling mold in this embodiment is a mold for filling a blank bearing ball, and includes a mold plate 2, and a plurality of small holes 4 for supporting the blank bearing ball are provided on an upper surface of the mold plate.
In this embodiment, the upper surface of the template 2 is rectangular, and a plurality of small holes 4 are arranged in a plurality of rows in a straight line on the template.
Wherein the shape of the small hole 4 is spherical. The aperture of each small hole 4 is 1.1-1.3 times of the diameter of the blank bearing ball, and the depth of the hole is 0.55-0.6 times of the diameter of the blank bearing ball. In this embodiment, the diameter of the small hole 4 is 1.3 times of the diameter of the blank bearing ball, and the depth of the hole is 0.55 times of the diameter of the blank bearing ball.
For the small hole 4, the aperture and the hole depth of the size are the optimal aperture and the hole depth for the blank bearing ball, the blank bearing ball can fall into the small hole quickly and accurately, and meanwhile, the excessive deformation of the blank bearing ball in the cold isostatic pressing process can be prevented by setting the reasonable size for the small hole.
The upper surface of the template is also provided with a plurality of grooves 5, the number of the grooves 5 is a plurality, the grooves are positioned between every two adjacent small holes or between the small holes and the edge of the upper surface of the template, two ends of each groove 5 are respectively connected with two adjacent small holes 4, or two ends of each groove 5 are respectively connected with the small holes and the edge of the upper surface of the template. The grooves are arranged in parallel or vertically and are arranged in a crisscross manner.
Wherein, the width of the groove 5 is 2-3mm, and the depth is 1-2 mm. In this embodiment, the width of the groove 5 is 2mm and the depth is 1 mm.
Because the types of the filling dies are many at present, but the service lives of the dies are limited, the dies are difficult to recycle for many times, and even the deformation of blank bearing balls can be caused. In this embodiment, the template 2 is made of organic silicon rubber (silicone rubber), and has a shore hardness of 60-70, an elongation at break of not less than 300%, and a tensile strength of not less than 6 MPa. By adopting the template made of the material, the deformation or fracture of the mould in the cold isostatic pressing process can be prevented, and the repeated use of the mould is ensured.
And a pit 6 is arranged in the middle of the cavity structural member 3 and used for storing redundant blank bearing balls. The edge of the concave pit 6 is a circle of bearing bosses 8, and two ends of the filling mould are completely matched with the bearing bosses 8.
In this embodiment, the cavity structural member 3 is made of 304 stainless steel, and the inner surface thereof is polished.
The bottom of the cavity structural member 3 and the periphery of the top of the oscillation structural member 9 are respectively provided with a threaded hole, and the two are fixedly connected through threads. In this way, the cavity structure 3 can be fixed above the oscillating structure and move synchronously with the oscillating structure 9.
Specifically, the periphery of the bottom of the cavity structural member and the top of the oscillation structural member is respectively provided with a threaded hole, and the two threaded holes are fixedly connected through a connecting bolt 7.
The oscillating structure is used for performing reciprocating oscillating motion in a horizontal plane. In this embodiment, the oscillating structure 9 may specifically adopt an oscillator with a horizontal convolution function, and the speed of the oscillator is adjustable, and the oscillation amplitude is 5-25mm (round trip).
The working process of the cold isostatic pressing filling device is as follows: pouring blank bearing balls on a filling die 1, specifically on the upper surface of a template 2, starting an oscillating structural member 9 to start horizontal rotary motion, modulating the amplitude of the oscillating structural member by 20mm, moving the blank bearing balls on the template 2 under the action of inertia and moving along a groove 5 on the template, finally falling into a small hole 4, slightly inclining the template 2 after holes of all the small holes are filled with the blank bearing balls, thus obtaining the filled die, and taking out the excessive blank bearing balls into a pit 6 of a cavity structural member, and taking out the excessive blank bearing balls for refilling after accumulating a certain amount. The automatic quick loading of blank bearing ball has been realized among the above-mentioned working process, and the device load the mould and still repeatedly usable after cold etc. has better practicality.
In the utility model, the improvement of the structure of the filling mould can ensure that the blank bearing ball can smoothly enter the filling mould, and can also prevent the excessive deformation of the blank bearing ball in the cold isostatic pressing process, and through the specific limitation of the material of the template, the deformation or the fracture of the mould in the cold isostatic pressing process can be effectively prevented, and the repeated use of the filling mould is ensured; the cavity structural member not only plays a role in connecting the loading die with the oscillating structural member, but also solves the problem that the loading amount of the blank bearing balls exceeds the loading amount; through filling mould, cavity structure spare and oscillating structure spare and mutually supporting use and finally realized the automatic quick loading of blank bearing ball, compare in traditional manual filling mode, can promote 90% filling efficiency.
Example 2:
this example differs from example 1 in that: the structure of the cavity structural member 3 is different, and the cold isostatic pressing filling device in this embodiment further includes a feeding mechanism.
In this embodiment, as shown in fig. 2, one end of the receiving boss 8 is higher than the other end, so that the filling mold can be placed on the cavity structure 3 in an inclined manner, and the angle of inclination between the receiving boss and the horizontal plane is 10 to 15 degrees.
The feed mechanism is used for providing blank bearing balls. The feeding mechanism is arranged above the cavity structural member 3.
When the feeding mechanism carries out feeding, the blank bearing balls coming out of the feeding mechanism are fed from the higher end of the bearing boss in the cavity structural member and freely slide into the small holes along the grooves in the obliquely arranged template 2, and after the blank bearing balls are filled in the holes of all the small holes, the feeding switch is closed, so that the filling process can be completed.
The other structures of the cold isostatic pressing filling device in this embodiment are the same as those in embodiment 1, and are not described again here.
In the embodiment, one end of the bearing boss is heightened, so that the sliding of a blank bearing ball on the template is facilitated, and the filling rate can be further improved; the feeding mechanism is additionally arranged, so that the working process of the whole device is more automatic, and the whole process can be easily operated by a single person.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A filling die for filling blank bearing balls comprises a die plate (2) and is characterized in that a plurality of small holes (4) and a plurality of grooves (5) are arranged on the upper surface of the die plate,
the small holes are used for supporting blank bearing balls, the grooves are located between every two adjacent small holes or between the small holes and the upper surface edge of the template, two ends of each groove are connected with the two adjacent small holes respectively, or two ends of each groove are connected with the small holes and the upper surface edge of the template respectively.
2. The loading die of claim 1 wherein each orifice has a bore diameter of 1.1 to 1.3 times the diameter of the green bearing ball and a bore depth of 0.55 to 0.6 times the diameter of the green ball; the width of the groove is 2-3mm, and the depth is 1-2 mm.
3. The loading die of claim 2, wherein the orifice has a diameter of 1.3 times the diameter of the green bearing ball and a depth of 0.55 times the diameter of the green bearing ball; the width of recess is 2mm, and the degree of depth is 1 mm.
4. A filling die according to claim 1 wherein a plurality of said orifices are arranged in a plurality of parallel rows in a straight pattern on the die plate.
5. The filling die of any one of claims 1 to 4, wherein the die plate is made of silicone rubber, and has a Shore hardness of 60 to 70, an elongation at break of 300% or more, and a tensile strength of 6MPa or more.
6. A cold isostatic pressing filling device, comprising a filling mould (1) according to any of claims 1-5, a cavity structure (3) and an oscillating structure (9),
the filling mould is arranged in a cavity structural member which is fixed on the oscillating structural member,
the oscillating structure is used for reciprocating oscillating movement in a horizontal plane.
7. A cold isostatic pressing filling device as claimed in claim 6, wherein said cavity structure has a recess in the middle, said recess being bordered by receiving ledges on which the two ends of said filling die are supported.
8. A cold isostatic pressing filling apparatus as claimed in claim 7, wherein said receiving bosses are higher at one end than at the other end, so that said filling die can be placed on the cavity structure at an inclination of 10-15 degrees from the horizontal.
9. A cold isostatic pressing filling apparatus as claimed in claim 6, wherein said chamber structure is made of stainless steel.
10. A cold isostatic pressing filling device as claimed in claim 6, wherein said oscillating structure has an oscillation amplitude of 5-25mm and is adjustable in speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020652840.7U CN212888144U (en) | 2020-04-26 | 2020-04-26 | Filling mold and cold isostatic pressing filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020652840.7U CN212888144U (en) | 2020-04-26 | 2020-04-26 | Filling mold and cold isostatic pressing filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212888144U true CN212888144U (en) | 2021-04-06 |
Family
ID=75262533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020652840.7U Active CN212888144U (en) | 2020-04-26 | 2020-04-26 | Filling mold and cold isostatic pressing filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212888144U (en) |
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2020
- 2020-04-26 CN CN202020652840.7U patent/CN212888144U/en active Active
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