CN214392344U - 10# steel cavity sintering die - Google Patents
10# steel cavity sintering die Download PDFInfo
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- CN214392344U CN214392344U CN202023173201.1U CN202023173201U CN214392344U CN 214392344 U CN214392344 U CN 214392344U CN 202023173201 U CN202023173201 U CN 202023173201U CN 214392344 U CN214392344 U CN 214392344U
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Abstract
The utility model discloses a 10# steel cavity sintering mould, the both sides that 10# steel cavity is relative are provided with the casing seal hole that a plurality of is used for installing the glass pearl, install the lead wire in the glass pearl, including setting up at 10# steel cavity inner chamber's centre form and the external mold of setting in the 10# steel cavity outside, be provided with the centre form lead wire constant head tank that a plurality of can be used for installing the lead wire on the centre form, be provided with the external mold lead wire constant head tank that a plurality of can be used for installing the lead wire on the external mold. According to the scheme, Cr12MoV with expansion coefficients close to that of a 10# steel cavity is taken as a raw material of the die, the inner die lead positioning grooves and the outer die lead are aligned with the shell sealing holes one by one to be positioned, when the lead is installed, the positions of two ends of the lead can be limited, so that the coaxiality of the lead and the shell sealing hole is ensured, the die and the 10# steel cavity are basically kept to expand and contract synchronously in the sintering high-temperature process, and the phenomenon that the axis of the lead and the shell sealing hole is deflected to influence the sintering precision is avoided.
Description
Technical Field
The utility model relates to a metal package product technical field, specific theory is a 10# steel cavity sintering mould.
Background
Because the graphite material has good high-temperature stability and low expansion coefficient, graphite is generally used as a raw material of a sintering mold for metal packaging products, but the expansion coefficient of a 10# steel cavity is large and is about 12 multiplied by 10 < -6 >/K, and the graphite used as the sintering mold can cause the defects of difficult mold unloading, poor coaxiality, lead deflection and the like.
SUMMERY OF THE UTILITY MODEL
For overcoming the deficiencies of the prior art, the utility model aims to provide a 10# steel cavity sintering mould for improve the axiality of sintered product, avoid the lead wire incline.
The utility model discloses a following technical scheme realizes: the utility model provides a 10# steel cavity sintering mould, 10# steel cavity both sides relatively are provided with the casing sealing hole that a plurality of is used for installing the glass pearl, install the lead wire in the glass pearl, including setting up at the centre form of 10# steel cavity inner chamber and the external mold of setting in the 10# steel cavity outside, the centre form on be provided with the centre form lead wire constant head tank that a plurality of can be used for installing the lead wire, be provided with the external mold lead wire constant head tank that a plurality of can be used for installing the lead wire on the external mold, centre form lead wire constant head tank can aim at with casing sealing hole one-to-one, external mold lead wire constant head tank can aim at with casing sealing hole one-to-one.
Further, for better realization the utility model discloses, the width of external mold lead wire constant head tank 0.1mm bigger than the diameter of lead wire.
Further, for better realization the utility model discloses, the width of centre form lead wire constant head tank 0.1mm bigger than the diameter of lead wire.
Further, for better realization the utility model discloses, the centre form include two centre form units, be provided with elastic support structure between two centre form units.
Further, for better realization the utility model discloses, elastic support structure be V type spring leaf.
Further, for better realization the utility model discloses, the centre form be close to one side of casing sealing hole and be provided with the boss that is located centre form lead wire constant head tank below.
Further, for better realization the utility model discloses, the external mold be close to one side of casing closure hole and be provided with the boss that is located external mold lead wire constant head tank below.
Further, in order to better realize the utility model discloses, centre form and external mold adopt Cr12MoV material to make.
The beneficial effect that this scheme obtained is:
according to the scheme, Cr12MoV with expansion coefficients close to that of a 10# steel cavity is taken as a raw material of the die, the inner die lead positioning grooves and the outer die lead are aligned with the shell sealing holes one by one to be positioned, when the lead is installed, the positions of two ends of the lead can be limited, so that the coaxiality of the lead and the shell sealing hole is ensured, the die and the 10# steel cavity are basically kept to expand and contract synchronously in the sintering high-temperature process, and the phenomenon that the axis of the lead and the shell sealing hole is deflected to influence the sintering precision is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of an outer mold;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a schematic structural diagram of the inner mold;
the device comprises an outer die 1, an inner die 2, an elastic supporting structure 3, a steel cavity 4-10#, a lead 5, a lead 6, an outer die lead positioning groove, a step 7 and a boss 8.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1 and 2, in this embodiment, in a 10# steel cavity sintering mold, two opposite sides of a 10# steel cavity 4 are provided with a plurality of shell sealing holes for installing glass beads, a lead 5 is installed in the glass beads, the mold includes an inner mold 2 disposed in an inner cavity of the 10# steel cavity 4 and an outer mold 1 disposed outside the steel cavity 4, the inner mold 2 is provided with a plurality of inner mold lead positioning grooves capable of being used for installing the lead 5, the outer mold 1 is provided with a plurality of outer mold lead positioning grooves 6 capable of being used for installing the lead 5, the inner mold lead positioning grooves can be aligned with the shell sealing holes one by one, and the outer mold lead positioning grooves 6 can be aligned with the shell sealing holes one by one.
Before sintering, the internal mold 2 is arranged in a No. 10 steel cavity 4, the internal mold lead positioning grooves on the internal mold 2 are aligned with the shell sealing holes one by one, the elastic supporting structure 3 is arranged between the two internal mold units, and the internal molds are relatively fixed. And the glass bead is arranged on the lead 5 in a penetrating way, then the glass bead is arranged in the sealing hole of the shell, and one end of the lead 5, which is positioned in the No. 10 steel cavity 4, is arranged in the positioning groove of the inner mold lead. And one end of the lead 5 positioned outside the No. 10 steel cavity 4 is aligned with the outer die lead positioning grooves 6 one by one and is installed. After the inner die 2 and the outer die 1 are installed, the integral structure is placed on a graphite backing plate and then is sintered in a furnace. Because the inner mold lead positioning groove and the outer mold lead positioning groove 6 can be aligned with the shell sealing hole one by one, when the lead 5 is arranged in the inner mold lead positioning groove, the inner mold lead positioning groove can position and limit the lead, thereby preventing the lead from deviating from the shell sealing hole and ensuring the sintering precision.
In this embodiment, the 10# steel cavity 4 is provided with the step 7 on the side that the casing seal hole was provided with, set up the logical groove of installing with step 7 cooperation on external mold 1, utilize the cooperation of step 7 and logical groove, can play the effect of location, spacing to external mold 1, make things convenient for external mold 1 to install fast to can restrict the degree of freedom of external mold 1, be favorable to improving the relative position precision of external mold lead positioning groove 6 and casing seal hole.
As shown in fig. 2, in the present embodiment, the inner mold lead positioning groove and the outer mold lead positioning groove 6 have the same structure. The tail parts of the outer die lead positioning grooves 6 are communicated through a communicating groove. The root R angle is mainly avoided when the tail of the lead positioning die is processed, so that the positioning size is not good.
Example 2:
on the basis of the above embodiment, in this embodiment, the width of the outer mold lead positioning groove 6 is 0.1mm larger than the diameter of the lead 5. The width of the inner mould lead positioning groove is 0.1mm larger than the diameter of the lead 5. Therefore, under the condition that the position precision of the lead 5 is not influenced, the lead 5 and the inner die lead positioning groove and the lead 5 and the outer die lead positioning groove 6 can be conveniently assembled and disassembled, and the lead 5 is prevented from being clamped in the inner die lead positioning groove or the outer die lead positioning groove 6.
Example 3:
on the basis of the above embodiment, in this embodiment, the inner mold 2 includes two inner mold units, and the elastic support structure 3 is disposed between the two inner mold units. After the internal mold 2 is assembled, thrust is applied to the internal mold unit by utilizing the elasticity of the elastic supporting structure, so that the internal mold unit is compressed on the side surface of the 10# steel cavity 4, the stability of the internal mold 2 is improved, and the situation that the position precision of the lead 5 is influenced by the random movement of the internal mold 2 is avoided.
In this embodiment, the elastic support structure is a V-shaped spring plate. The V-shaped spring piece is convenient to manufacture, install and detach, and is convenient to use. The V-shaped spring piece can adopt a molybdenum piece.
In this embodiment, the distance between the side of the inner mold 2 not provided with the inner mold lead positioning groove and the side of the 10# steel cavity 4 is 0.05-0.075mm, so that the inner mold 2 can be conveniently assembled and disassembled, a space is reserved for thermal deformation, and the extrusion between the inner mold 2 and the 10# steel cavity 4 is reduced.
Example 4:
on the basis of the above embodiment, in this embodiment, as shown in fig. 4, a through slot of 1mm is provided on one side of the inner mold 2 close to the housing sealing hole. During the assembly, make to lead to protruding and the contact of 10# steel cavity 4 in groove both ends, can form certain clearance between centre form lead wire constant head tank and the 10# steel cavity 4, through form the clearance between centre form lead wire constant head tank and 10# steel cavity 4, when the sintering, can avoid glass and centre form 2 contact and bond together, make things convenient for follow-up drawing of patterns and improve the sintering precision.
In this embodiment, a boss 8 located below the outer die lead positioning groove 6 is disposed on one side of the outer die 1 close to the case sealing hole. During assembly, the boss 8 is in contact with the No. 10 steel cavity 4, a certain gap can be formed between the outer die lead positioning groove 6 and the No. 10 steel cavity 4, and the width of the gap is equal to the protruding thickness of the boss 8. Through forming the clearance between the outer mould lead positioning groove 6 and the No. 10 steel cavity 4, when sintering, the contact of glass and the outer mould 1 can be avoided and the glass is bonded together, thereby facilitating the subsequent demoulding and improving the sintering precision.
The inner die 2 and the outer die 1 are made of Cr12MoV materials.
In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. The utility model provides a 10# steel cavity sintering mould, 10# steel cavity (4) relative both sides are provided with the casing seal hole that a plurality of is used for installing the glass pearl, install lead wire (5), its characterized in that in the glass pearl: including setting up centre form (2) and the external mold (1) of setting in the 10# steel cavity (4) inner chamber in 10# steel cavity (4) outside, centre form (2) on be provided with the centre form lead wire constant head tank that a plurality of can be used for installing lead wire (5), be provided with external mold lead wire constant head tank (6) that a plurality of can be used for installing lead wire (5) on external mold (1), centre form lead wire constant head tank can aim at with casing sealing-in hole one-to-one, external mold lead wire constant head tank (6) can aim at with casing sealing-in hole one-to-one.
2. The 10# steel cavity sintering die of claim 1, wherein: the width of the outer die lead positioning groove (6) is 0.1mm larger than the diameter of the lead (5).
3. The 10# steel cavity sintering die of claim 1, wherein: the width of the inner mould lead positioning groove is 0.1mm larger than the diameter of the lead (5).
4. The 10# steel cavity sintering die of claim 1, wherein: the inner die (2) comprises two inner die units, and an elastic supporting structure is arranged between the two inner die units.
5. The 10# steel cavity sintering die of claim 4, wherein: the elastic supporting structure is a V-shaped spring piece.
6. The 10# steel cavity sintering mold according to any one of claims 1-5, wherein: and a boss positioned below the inner mold lead positioning groove is arranged on one side of the inner mold (2) close to the shell sealing hole.
7. The 10# steel cavity sintering mold according to any one of claims 1-5, wherein: and a boss positioned below the outer die lead positioning groove (6) is arranged on one side of the outer die (1) close to the shell sealing hole.
8. The 10# steel cavity sintering mold according to any one of claims 1-5, wherein: the inner die (2) and the outer die (1) are made of Cr12MoV materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023173201.1U CN214392344U (en) | 2020-12-25 | 2020-12-25 | 10# steel cavity sintering die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023173201.1U CN214392344U (en) | 2020-12-25 | 2020-12-25 | 10# steel cavity sintering die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214392344U true CN214392344U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023173201.1U Active CN214392344U (en) | 2020-12-25 | 2020-12-25 | 10# steel cavity sintering die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214392344U (en) |
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2020
- 2020-12-25 CN CN202023173201.1U patent/CN214392344U/en active Active
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