Duplex stainless steel sintering mold beneficial to demolding

Abstract

The utility model discloses a duplex stainless steel sintering mold facilitating demolding, and relates to the technical field of sintering molds. Comprising a bottom mold, a demolding plate and an upper mold, a first connecting plate is arranged at the bottom end of a supporting plate, a mounting groove is formed in a second connecting plate, a first assembling plate is movably arranged in the mounting groove in an embedded mode, and a second assembling plate is arranged in the mounting groove; the top end of the second assembling plate makes contact with the bottom end of the first connecting plate. According to the utility model, the demoulding plate and other parts are arranged, in the separation process of the upper mould and the bottom mould, the first connecting plate is clamped and supported by the second assembling plate, and along with the upward movement of the upper mould, the demoulding plate which is movably embedded in the mould groove can push the internal part of the mould groove to move upwards in the mould groove; the demolding difficulty of the duplex stainless steel sintering mold is effectively simplified, and the demolding efficiency of the duplex stainless steel sintering mold is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering molds, in particular to a duplex stainless steel sintering mold which is convenient for demoulding. Background Art

[0002] Duplex stainless steel sintering molds are molds made of duplex stainless steel and are suitable for sintering processes in high temperature or corrosive environments. Duplex stainless steel has a unique microstructure that combines the advantages of austenite and ferrite, and has high strength, good toughness and excellent corrosion resistance. These characteristics make duplex stainless steel an ideal material for manufacturing sintering molds, especially when dealing with high temperature or corrosive materials. Duplex stainless steel sintering molds are widely used in chemical, petrochemical, marine engineering and oil and gas industries.

[0003] At present, after sintering and cooling, when the duplex stainless steel sintering mold is opened and the sintered stainless steel parts are taken out, the surface of the duplex stainless steel may produce strong adhesion with the sintered material. Especially at high temperatures, this adhesion may be difficult to overcome, making demolding more cumbersome and difficult. In order to solve this technical problem, the utility model proposes a duplex stainless steel sintering mold that is conducive to demolding. Utility Model Content

[0004] The main purpose of the utility model is to provide a duplex stainless steel sintering mold that is easy to demould, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A duplex stainless steel sintering mold that is conducive to demolding, including a bottom mold, a stripping plate and an upper mold, four groups of support plates are provided on the outside of the stripping plate, and the support plates are embedded in the bottom mold, the bottom end of the support plate is provided with a No. 1 connecting plate, and the bottom end of the upper mold is provided with four groups of No. 2 connecting plates, the interior of the No. 2 connecting plate is provided with a mounting groove, and the mounting groove is an L-shaped groove, the interior of the mounting groove is movably provided with a No. 1 assembly plate, the interior of the mounting groove is provided with a No. 2 assembly plate, and the No. 2 assembly plate is connected to the No. 1 assembly plate, and the top of the No. 2 assembly plate contacts the bottom end of the No. 1 connecting plate.

[0007] Preferably, a mold groove is provided inside the bottom mold, and the stripping plate is embedded in the mold groove.

[0008] Preferably, a plurality of ventilation holes are provided in the interior of the bottom mold, and the ventilation holes are communicated with the interior of the mold groove.

[0009] Preferably, the bottom end of the upper mold is provided with a receiving groove, and a lower pressing plate is movably arranged in the receiving groove and located above the mold groove.

[0010] Preferably, the bottom end of the lower pressing plate is provided with an insertion rod, and the top end of the lower pressing plate is provided with a connecting shaft.

[0011] Preferably, the first assembly plate is connected with the second assembly plate by bolts, and the first assembly plate and the second assembly plate are assembled into an L-shaped plate.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] In the utility model, after the upper mold and the bottom mold are combined, two groups of the second connecting plates arranged at the bottom end of the upper mold can be located at the two sides of a group of the first connecting plates, the second assembly plate in the mounting groove is slid to below the first connecting plate by pushing the first assembly plate, the first connecting plate is clamped and supported by the second assembly plate during the separation of the upper mold and the bottom mold, the demolding plate movably arranged in the mold groove can push the components in the mold groove to move upward in the mold groove and assist demolding, the demolding difficulty of the duplex stainless steel sintering mold is effectively simplified, and the demolding efficiency of the duplex stainless steel sintering mold is effectively improved.

[0014] In the utility model, the insertion rod arranged at the bottom end of the lower pressing plate can form a hole in the component during the pressing process, the air vent hole is communicated with the inside of the demolding groove, and the outside air can enter the inside of the mold groove through the air vent groove during the upward movement of the demolding plate in the mold groove, so that the inside of the mold groove is not in a negative pressure state when the demolding plate rises, and the demolding efficiency of the sintering mold is affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the duplex stainless steel sintering mold beneficial to demolding;

[0016] Figure 2 It is an overall bottom end structure schematic view of the duplex stainless steel sintering mold beneficial to demolding;

[0017] Figure 3 It is an upper mold and bottom mold explosion structure schematic view of the duplex stainless steel sintering mold beneficial to demolding;

[0018] Figure 4 It is a demolding plate structure schematic view of the duplex stainless steel sintering mold beneficial to demolding;

[0019] Figure 5 The utility model relates to a upper mould transverse structure schematic drawing of duplex stainless steel sintering mould of benefit to demoulding,

[0020] Figure 6 The utility model relates to a duplex stainless steel sintering mould of benefit to demoulding in the utility model, Figure 1 Partial structure amplification A place schematic drawing.

[0021] In the drawing: 1, bottom mould; 2, mould groove; 3, demoulding plate; 4, support plate; 5, no. 1 connecting plate; 6, air hole; 7, upper mould; 8, no. 2 connecting plate; 9, installation groove; 10, no. 1 assembling plate; 11, no. 2 assembling plate; 12, storage groove; 13, connecting shaft; 14, lower pressing plate; 15, plug rod. Specific embodiments

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 indicated, a duplex stainless steel sintering mould of benefit to demoulding;

[0024] It includes bottom mould 1, demoulding plate 3 and upper mould 7, the outside of demoulding plate 3 is provided with four groups of support plates 4, and support plate 4 is inlaidly connected with bottom mould 1, the bottom end of support plate 4 is provided with no. 1 connecting plate 5, the bottom end of upper mould 7 is provided with four groups of no. 2 connecting plates 8, installation groove 9 is formed in the inside of no. 2 connecting plate 8, and installation groove 9 is L-shaped groove, no. 1 assembling plate 10 is inlaidly movably arranged in the inside of installation groove 9, no. 2 assembling plate 11 is arranged in the inside of installation groove 9, and no. 2 assembling plate 11 is connected with no. 1 assembling plate 10, the top end of no. 2 assembling plate 11 is in contact with the bottom end of no. 1 connecting plate 5, no. 1 assembling plate 10 is connected with no. 2 assembling plate 11 by bolt, and no. 1 assembling plate 10 and no. 2 assembling plate 11 are assembled as L-shaped plate.

[0025] The stripping plate 3 is arranged inside the mold groove 2 through interlocking and movement, and the stripping plate 3 can move up and down inside the mold groove 2. After the support plate 4 and the No. 1 connecting plate 5 arranged on the outside of the stripping plate 3 are connected, and the support plate 4 is embedded in the bottom mold 1, the No. 1 connecting plate 5 can be movably located outside the bottom mold 1. After the upper mold 7 is combined with the bottom mold 1, two groups of No. 2 connecting plates 8 arranged at the bottom end of the upper mold 7 can be respectively located on both sides of a group of No. 1 connecting plates 5, and are connected by the No. 1 assembly plate 10 and the No. 2 assembly plate 11 to form an 'L'-shaped plate, and the No. 1 assembly plate 10 and the No. 2 assembly plate 11 The interlocking movably arranged inside the mounting groove 9, by pushing the No. 1 assembly plate 10, the No. 2 assembly plate 11 inside the mounting groove 9 slides to the bottom of the No. 1 connecting plate 5. In the process of separating the upper mold 7 from the bottom mold 1, the bottom mold 1 is first positioned, and the No. 1 connecting plate 5 is supported by the No. 2 assembly plate 11. As the upper mold 7 moves upward, the stripping plate 3 that is interlockingly arranged inside the mold groove 2 can push the parts formed in the mold groove 2 to move upward inside the mold groove 2 for auxiliary demoulding, effectively simplifying the demoulding difficulty of the duplex stainless steel sintering mold, and effectively improving the demoulding efficiency of the duplex stainless steel sintering mold.

[0026] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, a duplex stainless steel sintering mold that is convenient for demoulding;

[0027] A mold groove 2 is provided inside the bottom mold 1, and a stripper plate 3 is embedded in the mold groove 2. A plurality of ventilation holes 6 are provided inside the bottom mold 1, and the ventilation holes 6 are communicated with the inside of the mold groove 2. A receiving groove 12 is provided at the bottom end of the upper mold 7, and a lower pressure plate 14 is movably embedded inside the receiving groove 12. The lower pressure plate 14 is located above the mold groove 2. The outer dimensions of the lower pressure plate 14 are embedded in the mold groove 2. An insertion rod 15 is provided at the bottom end of the lower pressure plate 14, and a connecting shaft 13 is provided at the top end of the lower pressure plate 14.

[0028] The bottom mold 1 and the upper mold 7 are duplex stainless steel sintering mold main assembly parts, a mold groove 2 is arranged in the bottom mold 1 and is used for loading stainless steel powder, the stainless steel powder is mixed according to a certain proportion and is loaded into the mold groove 2, the powder is uniformly distributed during loading, there is no air bubble and gap, after the stainless steel powder is loaded into the mold groove 2, the upper mold 7 is assembled with the bottom mold 1, at this time, the connecting shaft 13 is connected with the power end of external equipment, the connecting shaft 13 pushes the lower pressing plate 14 in the receiving groove 12 to move downwards to the inside of the mold groove 2, the stainless steel powder in the mold groove 2 is pressed into a required shape by high pressure of the lower pressing plate 14, during the pressing process, the closing force and pressure maintaining time of the mold need to be accurately controlled, so that the powder particles are tightly combined and the sintering defects are reduced, the plug rod 15 arranged at the bottom end of the lower pressing plate 14 can be used for hole forming of the part during the pressing process, the air vent 6 is communicated with the inside of the demolding groove 2, during the upward movement of the demolding plate 3 in the mold groove 2, the external air can enter the inside of the mold groove 2 through the air vent 6, so that the inside of the mold groove 2 is not in a negative pressure state during the upward movement of the demolding plate 3, and the demolding efficiency of the sintering mold is avoided to be affected.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only used for illustrating the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A duplex stainless steel sintering mold that is easy to demould, comprising a bottom mold (1), a demoulding plate (3) and an upper mold (7), characterized in that: Four groups of support plates (4) are provided on the outer side of the stripping plate (3), and the support plates (4) are embedded in the bottom mold (1); a No. 1 connecting plate (5) is provided at the bottom end of the support plate (4); four groups of No. 2 connecting plates (8) are provided at the bottom end of the upper mold (7); a mounting groove (9) is provided inside the No. 2 connecting plate (8), and the mounting groove (9) is an L-shaped groove; a No. 1 assembly plate (10) is movably provided inside the mounting groove (9); a No. 2 assembly plate (11) is provided inside the mounting groove (9), and the No. 2 assembly plate (11) is connected to the No. 1 assembly plate (10); the top end of the No. 2 assembly plate (11) contacts the bottom end of the No. 1 connecting plate (5).

2. The duplex stainless steel sintering mold that facilitates demoulding according to claim 1, characterized in that: A mold groove (2) is provided inside the bottom mold (1), and the stripping plate (3) is embedded in the mold groove (2).

3. The duplex stainless steel sintering mold that facilitates demoulding according to claim 1, characterized in that: The bottom mold (1) is provided with a plurality of groups of ventilation holes (6) running through the inside thereof, and the ventilation holes (6) are communicated with the inside of the mold groove (2).

4. The duplex stainless steel sintering mold that facilitates demoulding according to claim 1, characterized in that: A receiving groove (12) is provided at the bottom end of the upper mold (7), and a lower pressing plate (14) is movably provided inside the receiving groove (12), and the lower pressing plate (14) is located above the mold groove (2), and the outer dimensions of the lower pressing plate (14) are connected to the mold groove (2).

5. The duplex stainless steel sintering mold that facilitates demoulding according to claim 4, characterized in that: The bottom end of the lower pressing plate (14) is provided with an inserting rod (15), and the top end of the lower pressing plate (14) is provided with a connecting shaft (13).

6. The duplex stainless steel sintering mold that facilitates demoulding according to claim 1, characterized in that: The first assembly plate (10) is connected to the second assembly plate (11) by bolts, and the first assembly plate (10) and the second assembly plate (11) are assembled into an L-shaped plate.

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