CN218591814U - Sealing device for powder metallurgy - Google Patents
Sealing device for powder metallurgy Download PDFInfo
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- CN218591814U CN218591814U CN202222438583.9U CN202222438583U CN218591814U CN 218591814 U CN218591814 U CN 218591814U CN 202222438583 U CN202222438583 U CN 202222438583U CN 218591814 U CN218591814 U CN 218591814U
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Abstract
The utility model belongs to the technical field of powder metallurgy, especially, a closing device for powder metallurgy now proposes following scheme, support the steel bushing and install the locking Assembly who supports the steel bushing tip at the outer lining including outer lining, the inner wall location that the steel bushing was supported to the outer lining is equipped with and extends to carry out the gum cover of locking among the locking Assembly, locking Assembly includes concave cooperation moulding-die, convex cooperation moulding-die and locking bolt, concave cooperation moulding-die sets up steel bushing one end is supported to the outer lining. The utility model discloses a set up concave cooperation moulding-die, convex cooperation moulding-die and gum cover, the gum cover is directly according to requiring concave cooperation moulding-die and convex cooperation moulding-die to tighten up the gum cover extrusion through the locking bolt in proper order and seal, can assemble and finish. The device design benefit, the gum cover does not have the all-round mechanical seal of dead angle extrusion deformation, and this kind of mechanical seal design is simple and safe and reliable, easy operation long service life.
Description
The technical field is as follows:
the utility model relates to a powder metallurgy technical field especially relates to a closing device for powder metallurgy.
Background art:
powder metallurgy includes milling and articles. Wherein the powder making is mainly a metallurgical process and is consistent with the word. Powder metallurgy products are often far beyond the scope of materials and metallurgy, often being a technology spanning multiple disciplines (materials and metallurgy, machinery and mechanics, etc.).
The existing circular rubber sealing method basically utilizes a metal seal head or a rubber seal head at the inner side of a rubber sleeve, and a steel belt hoop or a steel wire hoop is adopted to tighten the outer side of the rubber sleeve; the existing rectangular rubber sealing method is basically characterized in that a metal end socket or a rubber end socket is utilized on the inner side of a rubber sleeve, clamping plates on two sides and a locking bolt are tightened to a pre-tightening size on the outer side of the rubber sleeve, a positioning clamping plate and the locking bolt are respectively used on the other two sides to push out the pre-tightening size, the locking bolt is pushed out and stressed on a top plate, and the top plates on the two sides and the fixing are stressed on the clamping plates.
But has the following disadvantages: the rubber sleeve is easily shrunk and extruded by a steel belt anchor ear or a steel wire anchor ear to cause inconsistent shrinkage, so that rubber part wrinkles are formed, and a gap between the rubber and a metal seal head or a rubber seal head is generated. When the powder enters CAP and is compressed under high pressure to be shrunk and formed, the metal powder is easy to be damaged due to water inflow; and the rubber sleeve is tightened up through the clamping plate respectively, the extrusion deformation easily causes the contraction deformation of four corners to be inconsistent, the rubber part wrinkles are formed, and the gap between the rubber and the metal end socket or the rubber end socket is generated. When the powder enters CAP and is shrunk and molded under high pressure, the metal powder is easy to enter water and is scrapped.
The utility model has the following contents:
the utility model aims at prior art's defect, provide a closing device for powder metallurgy for solve and lead to metal powder to intake and produce condemned problem.
The utility model provides a closing device for powder metallurgy, supports the steel bushing including outer lining and installs the locking Assembly who supports the steel bushing tip at outer lining, the inner wall location that outer lining supported the steel bushing is equipped with and extends to carry out the gum cover of locking among the locking Assembly, locking Assembly includes concave cooperation moulding-die, protruding cooperation moulding-die and locking bolt, concave cooperation moulding-die sets up outer lining supports steel bushing one end, protruding cooperation moulding-die imbeds in the notch that concave cooperation moulding-die middle part was seted up, the gum cover tip set up in concave cooperation moulding-die with between the protruding cooperation moulding-die, concave cooperation moulding-die with the common rotation of edge part of protruding cooperation moulding-die is connected with evenly distributed's a plurality of groups locking bolt.
Through adopting above-mentioned technical scheme, can be sealed metal powder inside the gum cover.
And a rubber plug is arranged at the bottom of the convex matching pressing die.
By adopting the technical scheme, the convex matching pressing die is conveniently placed in the concave matching pressing die to extrude the rubber sleeve, so that sealing is realized.
The outer lining support steel sleeve is arranged in a cuboid structure, and the locking assembly is matched with the cuboid structure.
By adopting the technical scheme, the metal powder can be loaded by using structures with different shapes.
The locking assembly is arranged at the upper end of the outer lining support steel sleeve.
Through adopting above-mentioned technical scheme, can place metal powder in the gum cover of outer lining support steel bushing inside.
The outer lining supporting steel sleeve is arranged in a cylindrical structure, and the locking assembly is matched with the cylindrical structure.
By adopting the technical scheme, the metal powder can be loaded by using structures with different shapes.
The locking assembly is arranged at the upper end part and the lower end part of the outer lining supporting steel sleeve.
Through adopting above-mentioned technical scheme, can place metal powder in the gum cover of outer lining support steel bushing inside, use locking Assembly to seal
And a steel core is fixed between the two groups of convex matching pressing dies and fixedly connected with the convex matching pressing dies through bolts.
Through adopting above-mentioned technical scheme, make things convenient for locking Assembly to and make two sets of locking Assembly connect inseparabler.
The utility model discloses sealing device for powder metallurgy's beneficial effect is:
through the arrangement of the concave matching pressing die, the convex matching pressing die and the rubber sleeve, one end of the rubber sleeve extrudes, tightens and seals the rubber sleeve through the locking bolt according to the requirements in sequence, and the assembly can be finished. The device design benefit, the gum cover does not have the all-round mechanical seal of dead angle extrusion deformation, and this kind of mechanical seal design is simple and safe and reliable, easy operation long service life.
Description of the drawings:
FIG. 1 is a front sectional view of an embodiment of a sealing device for powder metallurgy according to the present invention;
FIG. 2 is a top view of an embodiment of the sealing device for powder metallurgy according to the present invention;
FIG. 3 is a cross-sectional front view of a second embodiment of a sealing device for powder metallurgy according to the present invention;
fig. 4 is a plan view of an embodiment of a sealing device for powder metallurgy according to the present invention.
In the figure: 1. the outer lining supports the steel jacket; 2. a concave matching pressing die; 3. a convex matching pressing die; 4. a rubber sleeve; 5. a metal powder; 6. a steel core; 7. locking the bolt; 8. a rubber plug.
The specific implementation mode is as follows:
the following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
Referring to fig. 1-4, a closing device for powder metallurgy, including outer lining support steel bushing 1 and install the locking Assembly who supports steel bushing 1 tip at the outer lining, the inner wall location of outer lining support steel bushing 1 is equipped with and extends to the gum cover 4 that locks in the locking Assembly, locking Assembly includes concave cooperation moulding-die 2, convex cooperation moulding-die 3 and locking bolt 7, concave cooperation moulding-die 2 sets up in outer lining support steel bushing 1 one end, convex cooperation moulding-die 3 imbeds in the notch that concave cooperation moulding-die 2 middle part was seted up, the gum cover 4 tip sets up between concave cooperation moulding-die 2 and convex cooperation moulding-die 3, the common rotation of edge portion of concave cooperation moulding-die 2 and convex cooperation moulding-die 3 is connected with a plurality of groups of evenly distributed's locking bolt 7, plug 8 is installed to the bottom of convex cooperation moulding-die 3, plug 8 is supplementary to compress tightly gum cover 4 behind concave cooperation moulding-die 2 middle part recess is put into to convex cooperation moulding-die 3, when rotating locking bolt 7, concave cooperation moulding-die 2 rises along convex cooperation moulding-die 3 outer wall thereby extrudes to compress tightly gum cover 4.
As shown in figures 1 and 3, the rubber sleeve 4 is clamped between the concave matching pressing die 2 and the convex matching pressing die 3 and continuously tightened through the locking bolt 7, the rubber sleeve 4 has no dead angle and is extruded and deformed to form an all-dimensional mechanical seal, and the mechanical seal is simple in design, safe, reliable, simple to operate and long in service life.
When the rubber sleeve is used, firstly, the rubber sleeve 4 and the outer lining supporting steel sleeve 1 are positioned and assembled, then the metal powder 5 is filled in the rubber sleeve to be uniformly compacted, then one end of the rubber sleeve 4 is sequentially placed between the concave matching pressing die 2 and the convex matching pressing die 3 according to requirements, after the rubber plug 8 at the bottom of the convex matching pressing die 3 firstly penetrates through a notch in the middle of the concave matching pressing die 2, the convex matching pressing die 3 continues to downwards extrude the rubber sleeve 4, the rubber sleeve 4 is extruded, tightened and sealed through the locking bolt 7, and the assembly is finished. The device design benefit, and gum cover 4 does not have the all-round mechanical seal of dead angle extrusion deformation, and this kind of mechanical seal design is simple and safe and reliable, easy operation long service life.
The first embodiment is as follows:
as shown in fig. 1-2, in this embodiment, the locking assembly is disposed at the upper end of the outer liner support steel jacket 1. Concave cooperation moulding-die 2 and convex cooperation moulding-die 3 are processed according to the design of rectangle shape, and outer lining support steel bushing 1 sets up for the cuboid structure, locking Assembly and this cuboid structure looks adaptation.
Example two:
in this embodiment, the locking assemblies are located at the upper and lower ends of the outer lining support steel jacket 1, as shown in figures 3-4. Concave cooperation moulding-die 2 and convex cooperation moulding-die 3 are processed according to circular shape design, and outer lining support steel bushing 1 sets up for the cylinder structure, and locking Assembly and this cylinder structure looks adaptation. A steel core 6 is fixed between the two groups of convex matching pressing dies 3, and the steel core 6 and the convex matching pressing dies 3 are fixedly connected through bolts, so that the locking of the locking assemblies is facilitated, and the two groups of locking assemblies are connected more tightly;
when the device shown in the figure 3 is used, a group of locking assemblies at the bottom and an outer lining supporting steel sleeve 1 are assembled firstly, the bottom of the outer lining supporting steel sleeve 1 is fixedly connected with a concave matching pressing die 2 of the group of locking assemblies, then a steel core 6 is placed on the concave matching pressing die 2 of the locking assemblies, the steel core is fixed through bolts, the concave matching pressing die 2 is placed on the outer lining supporting steel sleeve 1 after metal powder 5 is placed, a rubber sleeve 4 penetrates through a notch in the middle of the concave matching pressing die 2, then the convex matching pressing die 3 is embedded into the notch in the middle of the concave matching pressing die 2 to extrude the rubber sleeve 4, at the moment, a locking bolt 7 is inserted into the concave matching pressing die 2 and the convex matching pressing die 3 to be screwed tightly, in the process of screwing the locking bolt 7, the edge of the concave matching pressing die 2 is gradually close to the edge of the convex matching pressing die 3, and therefore the sealing effect is achieved through the rubber sleeve 4.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. The utility model provides a closing device for powder metallurgy, includes that outer lining supports steel bushing (1) and installs the locking Assembly who supports steel bushing (1) tip at outer lining, its characterized in that: the inner wall location of outer lining support steel bushing (1) is equipped with and extends to carry out gum cover (4) of locking in the locking Assembly, locking Assembly includes concave cooperation moulding-die (2), protruding cooperation moulding-die (3) and locking bolt (7), concave cooperation moulding-die (2) set up outer lining support steel bushing (1) one end, protruding cooperation moulding-die (3) imbed in the notch that concave cooperation moulding-die (2) middle part was seted up, gum cover (4) tip set up in concave cooperation moulding-die (2) with between protruding cooperation moulding-die (3), concave cooperation moulding-die (2) with the common rotation of edge portion of protruding cooperation moulding-die (3) is connected with evenly distributed's a plurality of groups locking bolt (7).
2. A closing device for powder metallurgy according to claim 1, wherein: the bottom of the convex matching pressing die (3) is provided with a rubber plug (8).
3. A closing device for powder metallurgy according to claim 2, wherein: the outer lining supporting steel sleeve (1) is arranged in a cuboid structure, and the locking assembly is matched with the cuboid structure.
4. The powder metallurgy sealing apparatus according to claim 3, wherein: the locking assembly is arranged at the upper end of the outer lining support steel sleeve (1).
5. The powder metallurgy sealing apparatus according to claim 2, wherein: the outer lining supporting steel sleeve (1) is arranged in a cylindrical structure, and the locking assembly is matched with the cylindrical structure.
6. The powder metallurgy sealing apparatus according to claim 5, wherein: the locking assembly is arranged at the upper end part and the lower end part of the outer lining supporting steel sleeve (1).
7. The powder metallurgy sealing apparatus according to claim 6, wherein: and a steel core (6) is fixed between the two groups of convex matching pressing dies (3), and the steel core (6) is fixedly connected with the convex matching pressing dies (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438583.9U CN218591814U (en) | 2022-09-15 | 2022-09-15 | Sealing device for powder metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438583.9U CN218591814U (en) | 2022-09-15 | 2022-09-15 | Sealing device for powder metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218591814U true CN218591814U (en) | 2023-03-10 |
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ID=85399769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222438583.9U Active CN218591814U (en) | 2022-09-15 | 2022-09-15 | Sealing device for powder metallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218591814U (en) |
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2022
- 2022-09-15 CN CN202222438583.9U patent/CN218591814U/en active Active
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