Powder metallurgy part warm compaction forming die

Abstract

The utility model provides a kind of powder metallurgy parts warm pressure forming die, it is related to forming die technical field, including mould body;The mould body is provided with assembly bearing plate, and the middle of assembly bearing plate is provided with the threading hole that passes through up and down, and the middle of left and right ends of assembly bearing plate is provided with the fixed hole that passes through up and down, and the left and right sides of the rear of assembly bearing plate top end face are provided with threaded blind hole, and the top between the threaded blind hole of assembly bearing plate is equipped with assembly positioning block by bolt, and the middle of both ends of assembly positioning block is provided with the fixed hole that passes through up and down, and it is convenient to be fixed on assembly bearing plate by bolt for assembly positioning block, and it is convenient to be placed on assembly bearing plate top for forming die block to be positioned quickly by assembly positioning block, the positioning of mould is repositioned every time disassembly, leading to the installation efficiency of mould is lower, it is inconvenient to add loading bearing positioning measure on mould, to make the mould can be positioned quickly.

Description

Technical Field

[0001] This utility model belongs to the field of molding die technology, and in particular relates to a warm pressing molding die for powder metallurgy parts. Background Technology

[0002] Powder metallurgy parts warm pressing mold is a special mold used for warm pressing process. Its core is to heat the mixed powder and mold to 130~150℃ through a heating system, so as to realize the pressing and forming of powder in a high temperature environment. Heating reduces the pressing pressure and demolding force, while increasing the density and strength of the parts. Compared with traditional process, warm pressing mold needs to have higher temperature control precision to ensure forming quality.

[0003] Based on the above, the inventors have discovered the following shortcomings in existing warm pressing molds for powder metallurgy parts: 1. The mold needs to be repositioned every time it is disassembled and assembled, which results in low installation efficiency and makes it inconvenient to add load-bearing positioning measures to the mold to enable quick positioning. 2. The mold is fixed by multiple bolts, which makes the mold assembly and disassembly process cumbersome. It is inconvenient to add quick-fix measures to the mold so that it can be quickly locked and fixed after positioning. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a warm pressing mold for powder metallurgy parts. This solves the problems of existing molds requiring repositioning each time they are disassembled and assembled, resulting in low installation efficiency and making it inconvenient to add load-bearing positioning measures to the mold for quick positioning; and the mold being fixed with multiple bolts, making the disassembly and assembly process cumbersome and making it inconvenient to add quick-fixing measures to the mold for quick locking after positioning.

[0005] The purpose and effect of this utility model of a warm pressing mold for powder metallurgy parts are achieved by the following specific technical means: A powder metallurgy part warm pressing mold includes a mold body; the mold body is provided with an assembly support plate, the assembly support plate has a through hole in the middle, and the middle of both the left and right ends of the assembly support plate has a fixing hole in the middle, the left and right sides of the top end face of the assembly support plate have threaded blind holes, and an assembly positioning block is installed on the top between the threaded blind holes of the assembly support plate by bolts, and the assembly positioning block has a fixing hole in the middle at both ends.

[0006] Furthermore, a mold heating plate is bolted to the inside of the placement slot of the forming mold block, and a wire is provided in the middle of the bottom end face of the mold heating plate.

[0007] Furthermore, the mold clamping blocks hold the forming mold block, the top end face of the forming mold block is provided with a forming groove, the bottom end face of the forming mold block is provided with a placement groove, the bottom end face of the forming mold block is provided with hidden grooves on all sides, the hidden grooves of the forming mold block are provided with threaded blind holes, the front and back of the left and right ends of the forming mold block are provided with mating grooves in the vertical direction, and the bottom of the mating grooves of the forming mold block is provided with inclined trapezoidal blocks.

[0008] Furthermore, a locking stop post is installed inside the locking screw hole of the mold clamping block. The outer circumference of the locking stop post is threaded, the top end face of the locking stop post is provided with a regular hexagonal groove, and the bottom end face of the locking stop post is provided with a frosted surface.

[0009] Furthermore, mold clamping blocks are threadedly installed on the outer circumference of both sides of the clamping rotating rod. The mold clamping blocks are L-shaped plate structures. The lower part of the vertical plate of the mold clamping block has a moving screw hole that runs through from left to right. The middle of the horizontal plate of the mold clamping block has a locking screw hole that runs through from top to bottom. The bottom of the inner end face of the horizontal plate of the mold clamping block has an inclined surface.

[0010] Furthermore, a clamping rotating rod is installed between the bearing holes of the assembly bearing plate via bearings. The outer circumference of the left and right sides of the clamping rotating rod is provided with threads of opposite directions. A fixing post is provided on both the left and right end faces of the clamping rotating rod, and a regular hexagonal prism is provided on the outer end face of the fixing post of the clamping rotating rod.

[0011] Furthermore, the bottom end face of the assembly support plate is provided with a through-slot at both ends and the middle, and a rectangular hole is provided at the front of both ends of the assembly support plate. A through-hole is provided at the front of the assembly support plate. Bearing holes are provided at both ends of the through-hole of the assembly support plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The convenient assembly positioning block is fixed to the assembly support plate with bolts, which makes it easy to place the forming mold block on the top of the assembly support plate for quick positioning. This solves the problem that the mold needs to be repositioned every time it is disassembled and assembled, resulting in low installation efficiency and the inconvenience of adding support and positioning measures to the mold to enable quick positioning.

[0013] The convenient clamping rotating rod is mounted on the assembly bearing plate through bearings to support the mold clamping block. The mold clamping block can move inward or outward synchronously through thread engagement to quickly lock and loosen the forming mold block. This solves the problem that the mold is fixed by multiple bolts, which makes the mold assembly and disassembly process more cumbersome and inconvenient to add quick fixing measures to the mold so that it can be quickly locked after positioning. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the rear view structure of this utility model.

[0016] Figure 3 This is a bottom view of the structure of this utility model.

[0017] Figure 4 This is a cross-sectional structural diagram of the present invention.

[0018] Figure 5 This is a disassembled structural diagram of the present invention.

[0019] Figure 6 This is a top view of the assembly of the molding die block and the die heating plate of this utility model.

[0020] In the diagram: 1. Mold body; 2. Assembly bearing plate; 3. Assembly positioning block; 4. Clamping rotating rod; 5. Mold clamping block; 6. Locking stop post; 7. Forming mold block; 8. Mold heating plate. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown: This utility model provides a powder metallurgy parts warm pressing mold, including a mold body 1; the mold body 1 is provided with an assembly support plate 2 for convenient support of various components. The assembly support plate 2 has a through-hole in the middle for the wires of the mold heating plate 8 to pass through. The middle of both ends of the assembly support plate 2 has a through-hole for the assembly support plate 2 to be fixed to the worktable by bolts. The left and right sides of the top end face of the assembly support plate 2 have threaded blind holes for the assembly positioning block 3 to be fixed by bolts. The top of the assembly support plate 2 between the threaded blind holes is bolted to install the assembly positioning block 3 for positioning the rear end face of the forming mold block 7. The assembly positioning block 3 has a through-hole at both ends for the assembly positioning block 3 to be fixed by bolts. The bottom end face of the assembly support plate 2 has through-holes at both ends and in the middle. The strip-shaped groove facilitates weight reduction and component concealment. Rectangular holes penetrating vertically are provided at both ends of the assembly support plate 2 to facilitate the insertion of the mold clamping block 5. A through-hole penetrating horizontally is provided at the front end of the assembly support plate 2 to facilitate the insertion of the clamping rotating rod 4. Bearing holes are provided at both ends of the through-holes in the assembly support plate 2 to facilitate the installation of the clamping rotating rod 4 via bearings. The clamping rotating rod 4 is installed between the bearing holes of the assembly support plate 2 via bearings, allowing it to rotate via bearings. Threads with opposite directions are provided on the outer circumference of the left and right sides of the clamping rotating rod 4, allowing the mold clamping block 5 to move synchronously inward or outward through thread engagement. Fixing posts are provided on both the left and right end faces of the clamping rotating rod 4 to facilitate its installation via bearings. Regular hexagonal prisms are provided on the outer end faces of the fixing posts of the clamping rotating rod 4 to facilitate its rotation via tools.

[0023] The clamping rotating rod 4 has mold clamping blocks 5 threadedly installed on the outer circumference of both sides, facilitating synchronous inward or outward movement of the mold clamping blocks 5 through thread engagement. The mold clamping blocks 5 have an L-shaped plate structure for easy locking and securing of the forming mold block 7. The lower part of the vertical plate of the mold clamping block 5 has a through-hole for easy installation of the clamping rotating rod 4 via threads. The horizontal plate of the mold clamping block 5 has a through-hole for easy locking of the stop pin 6 via threads. The bottom of the inner end face of the plate is provided with an inclined surface to facilitate matching with the inclined trapezoidal block of the forming mold block 7. A locking stop pin 6 is installed inside the locking screw hole of the mold clamping block 5 to facilitate locking the mold clamping block 5. The outer circumference of the locking stop pin 6 is threaded to facilitate threaded installation. The top end face of the locking stop pin 6 is provided with a regular hexagonal groove to facilitate rotation and disassembly of the locking stop pin 6 using tools. The bottom end face of the locking stop pin 6 is provided with a frosted surface to facilitate increased clearance between the locking stop pin 6 and the assembly bearing plate 2. The friction prevents the locking stop pin 6 from loosening. The mold clamping blocks 5 clamp the forming mold block 7, facilitating quick assembly and disassembly of the forming mold block 7. The top end face of the forming mold block 7 has a forming groove to facilitate the pressing and forming of powder materials. The bottom end face of the forming mold block 7 has a placement groove to facilitate the placement of the mold heating plate 8 inside. The bottom end face of the forming mold block 7 has hidden grooves on all sides to facilitate the concealment of the fixing bolts of the mold heating plate 8. The hidden grooves of the forming mold block 7 have threaded blind holes to facilitate the installation of the fixing bolts of the mold heating plate 8. The front ends of the left and right ends of the forming mold block 7 have vertical fitting grooves to facilitate the insertion of the horizontal plate of the mold clamping block 5. The bottom of the fitting groove of the forming mold block 7 has a sloping trapezoidal block to facilitate the fitting with the inclined surface of the mold clamping block 5. The mold heating plate 8 is installed in the placement groove of the forming mold block 7 by bolts to facilitate the heating of the forming mold block 7 and the powder inside. The bottom end face of the mold heating plate 8 has a wire in the middle to facilitate the connection of the mold heating plate 8 to an external control power supply.

[0024] The specific usage and function of this embodiment are as follows: In this utility model, such as Figure 1As shown, when the mold body 1 is in use, the assembly support plate 2 is fixed to the worktable with bolts. When the forming mold block 7 is replaced later, the assembly support plate 2 does not need to be disassembled. At this time, the forming mold block 7 is located on the top end face of the assembly support plate 2, and the rear end face of the forming mold block 7 contacts the front end face of the assembly positioning block 3. Thus, the forming mold block 7 is quickly positioned by the assembly positioning block 3, solving the problem of low installation efficiency caused by the need for repositioning each time the mold is disassembled and assembled. Simultaneously, the forming mold block 7 is clamped by the mold clamping block 5, allowing it to self-align with the inclined surface of the mold clamping block 5 through the inclined trapezoidal block, thereby achieving quick locking and fixing of the forming mold block 7. This solves the problem of cumbersome disassembly and assembly processes caused by multiple bolts used to fix the mold. Figure 1 As shown, when disassembling the molding mold block 7, the locking stop pin 6 is engaged with the mold clamping block 5 by rotating the tool, causing the locking stop pin 6 to rise through the thread engagement and loosen its clamping on the assembly support plate 2. This releases the locking stop pin 6 from locking the mold clamping block 5. The clamping rotating rod 4 is then engaged with the mold clamping block 5 by rotating the tool, causing the mold clamping block 5 to move outward synchronously through the thread engagement. This releases the mold clamping block 5 from clamping the molding mold block 7. The molding mold block 7 can then be removed. Note that the mold heating plate 8 is connected to the external control power supply via a plug. When removing the molding mold block 7, disconnect the plug of the mold heating plate 8 and pull the wire of the mold heating plate 8 out of the wire hole of the assembly support plate 2.

[0025] Example 2: The difference from Example 1 is that the regular hexagonal prism of the clamping rotating rod 4 can also be set as a regular heptagonal prism, so that the clamping rotating rod 4 can only be rotated by a special tool that cooperates with the regular heptagonal prism, thus preventing non-operators from rotating and adjusting the clamping rotating rod 4.

[0026] Example 3: The difference from Example 1 is that the regular hexagonal groove of the locking stop pin 6 can also be set as a regular heptagonal groove, so that the locking stop pin 6 can only be rotated by a special tool that cooperates with the regular heptagonal groove, thus preventing non-workers from rotating and disassembling the locking stop pin 6.

Claims

1. A warm pressing mold for powder metallurgy parts, characterized in that: The assembly includes a mold body (1); the mold body (1) is provided with an assembly support plate (2), the assembly support plate (2) has a through hole in the middle, the assembly support plate (2) has a through fixing hole in the middle of both the left and right ends, the assembly support plate (2) has a threaded blind hole on both the left and right sides behind the top end face of the assembly support plate (2), and an assembly positioning block (3) is installed on the top between the threaded blind holes of the assembly support plate (2) by bolts, and the assembly positioning block (3) has a through fixing hole in both ends.

2. The warm pressing mold for powder metallurgy parts as described in claim 1, characterized in that: The bottom end face of the assembly bearing plate (2) is provided with a strip groove that runs through the front and back. The front of the left and right ends of the assembly bearing plate (2) is provided with a rectangular hole that runs through the top and bottom. The front end of the assembly bearing plate (2) is provided with a through hole that runs through the left and right. The through hole of the assembly bearing plate (2) is provided with a bearing hole at both the left and right ends.

3. The warm pressing mold for powder metallurgy parts as described in claim 2, characterized in that: The mounting plate (2) is connected to the bearing holes by bearings and a clamping rotating rod (4) is installed. The outer circumference of the left and right sides of the clamping rotating rod (4) is provided with threads of opposite directions. The left and right end faces of the clamping rotating rod (4) are provided with fixing posts, and the outer end faces of the fixing posts of the clamping rotating rod (4) are provided with regular hexagonal prisms.

4. The warm pressing mold for powder metallurgy parts as described in claim 3, characterized in that: The clamping rotating rod (4) has a mold clamping block (5) threaded on the outer circumference of both sides. The mold clamping block (5) is an L-shaped plate structure. The lower part of the vertical plate of the mold clamping block (5) has a moving screw hole that runs through from left to right. The middle of the horizontal plate of the mold clamping block (5) has a locking screw hole that runs through from top to bottom. The bottom of the inner end face of the horizontal plate of the mold clamping block (5) has an inclined surface.

5. The warm pressing mold for powder metallurgy parts as described in claim 4, characterized in that: The locking screw hole of the mold clamping block (5) is equipped with a locking stop post (6). The locking stop post (6) has a thread on its outer circumference, a regular hexagonal groove on its top end face, and a frosted surface on its bottom end face.

6. The warm pressing mold for powder metallurgy parts as described in claim 5, characterized in that: The mold clamping blocks (5) hold the forming mold block (7) between them. The top end face of the forming mold block (7) is provided with a forming groove, the bottom end face of the forming mold block (7) is provided with a placement groove, the bottom end face of the forming mold block (7) is provided with hidden grooves on the front, back, left and right sides, the hidden grooves of the forming mold block (7) are provided with threaded blind holes, the front ends of the left and right ends of the forming mold block (7) are provided with mating grooves in the up and down direction, and the bottom of the mating grooves of the forming mold block (7) is provided with inclined trapezoidal blocks.

7. The warm pressing mold for powder metallurgy parts as described in claim 6, characterized in that: The mold heating plate (8) is installed inside the placement groove of the molding mold block (7) by bolts, and a wire is provided in the middle of the bottom end face of the mold heating plate (8).

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